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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：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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