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公开(公告)号：US20190017603A1
公开(公告)日：2019-01-17
申请号：US15647270
申请日：2017-07-12
发明人： Xiaorong Li , Fazheng Yang , Zhenxing Ying , Bo Chen
IPC分类号： F16J15/3232 , F04B19/22 , F04B53/14 , F04B53/10 , F16J15/3208
摘要： A sealing structure of a reciprocating plunger pump comprises a pump seat, a pressure relief valve assembly, a pressure regulating valve assembly, and a plunger rod assembly; the plunger rod assembly includes a plunger rod, a large sealing ring and a small sealing ring; the structure of the large sealing ring is the same as that of the small sealing ring, and the large sealing ring includes a ring-shaped sealing body, an annular recess, and an annular tension spring; the annular tension spring always has an outwardly expanding force on both side walls of the annular recess; the sealing body includes a saw-tooth sealing groove. The sealing structure reduce the load on the pump and improve the service life of the sealing ring.
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公开(公告)号：US11247320B2
公开(公告)日：2022-02-15
申请号：US16843904
申请日：2020-04-09
发明人： Xiaorong Li , Xiaopeng Li , Zhonghua Jiang
摘要： A sensor of electric nail guns, comprising a gun body; a handle; a trigger; a gun nozzle disposed in a lower end of the gun body; a striker matching the gun nozzle disposed in the gun body; a charger disposed on a rear side of gun nozzle; the charger having an assorted forcer; an assorted motor disposed in a middle of the gun body; a first cylinder matching the striker and disposed in the gun body; a first piston disposed in the first cylinder; and a second piston matching an upper end of the striker and disposed in the upper end of the gun body; wherein a front end of the charger includes a photoinduction mechanism; the sensor of electric nail guns can prevent air shot or wrong shot of electric nail guns effectively, so as to guarantee the service performance of electric nail guns.
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公开(公告)号：US11491621B2
公开(公告)日：2022-11-08
申请号：US16529734
申请日：2019-08-01
发明人： Xiaorong Li , Fazheng Yang , Zhonghua Jiang
IPC分类号： B25C1/00
摘要： A safety rack regulating device for nailing guns comprises a regulating base, a guide slot located in the left part of regulating base, and a safety rack located in the guide slot. The left end of safety rack is extended out of the regulating base and provided with a safety head. A square groove is located in the left part of the regulating base. A clamping cap is located in the regulating base, the clamping cap seals the opening of square groove. The enclosure between the clamping cap and inner wall of regulating base forms a guide hole. A suited adjusting bolt is located in the guide hole. A transverse punch hole is located in the center of the adjusting bolt. A regulation hole corresponding to the position of adjusting bolt is located in the outer wall of the regulating base.
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公开(公告)号：US20210031346A1
公开(公告)日：2021-02-04
申请号：US16529734
申请日：2019-08-01
发明人： Xiaorong Li , Fazheng Yang , Zhonghua Jiang
IPC分类号： B25C1/00
摘要： A safety rack regulating device for nailing guns comprises a regulating base, a guide slot located in the left part of regulating base, and a safety rack located in the guide slot. The left end of safety rack is extended out of the regulating base and provided with a safety head. A square groove is located in the left part of the regulating base. A clamping cap is located in the regulating base, the clamping cap seals the opening of square groove. The enclosure between the clamping cap and inner wall of regulating base forms a guide hole. A suited adjusting bolt is located in the guide hole. A transverse punch hole is located in the center of the adjusting bolt. A regulation hole corresponding to the position of adjusting bolt is located in the outer wall of the regulating base.
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公开(公告)号：US20240246213A1
公开(公告)日：2024-07-25
申请号：US17996224
申请日：2021-11-03
发明人： Zhenxing Yin , Junpeng Wei , Zhenhui Chen , Xiaorong Li , Fazheng Yang
IPC分类号： B25C1/06
CPC分类号： B25C1/06
摘要： A locking device for adjusting the nailing force of an electric nailing gun, comprising a power box, a driving motor provided inside the power box, an upper cylinder configured on the right side of the power box, a lower cylinder located right beneath the upper cylinder. The driving motor is connected with a connecting arm via a reducing mechanism. The end part of the connecting arm is configured with an eccentric spindle. A lower piston is provided inside the lower cylinder. The lower piston is hinged with a piston arm. The piston arm is connected to the eccentric spindle. An upper piston is configured inside the upper cylinder. The center of the left sidewall of the upper piston is configured with a firing pin. The left end of the firing pin sticks out of the upper cylinder.
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公开(公告)号：US20210276170A1
公开(公告)日：2021-09-09
申请号：US16843904
申请日：2020-04-09
发明人： Xiaorong Li , Xiaopeng Li , Zhonghua Jiang
摘要： A sensor of electric nail guns, comprising a gun body; a handle; a trigger; a gun nozzle disposed in a lower end of the gun body; a striker matching the gun nozzle disposed in the gun body; a charger disposed on a rear side of gun nozzle; the charger having an assorted forcer; an assorted motor disposed in a middle of the gun body; a first cylinder matching the striker and disposed in the gun body; a first piston disposed in the first cylinder; and a second piston matching an upper end of the striker and disposed in the upper end of the gun body; wherein a front end of the charger includes a photoinduction mechanism; the sensor of electric nail guns can prevent air shot or wrong shot of electric nail guns effectively, so as to guarantee the service performance of electric nail guns.
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公开(公告)号：US20180369837A1
公开(公告)日：2018-12-27
申请号：US15633715
申请日：2017-06-26
发明人： Xiaorong Li , Fazheng Yang , Fei Tang , Xinbiao Ying
IPC分类号： B05B1/30
摘要： A compressed air distributor which is mounted on a spray gun, comprising: a compressed air inlet pipe disposed within a spray gun body, an annular gas supply pipe, an adjustment screw plug, a screw, an adjustment nut, an adjustment knob, a groove, and an adjustment through hole; wherein the center line of the adjustment through hole is eccentrically disposed on the axis line of the adjustment screw plug; wherein the bottom surface of the adjustment screw plug is coupled to an enclosed base having a connecting passage communicating with the annular gas supply pipe; when the adjustment screw plug is rotated, the adjustment through hole can be communicated with the connecting passage or sealed by the enclosed base. The compressed air distributor has a simple structure, low manufacturing cost, and is able to flexibly adjust the size of the spraying flow.
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