CN203791562U - Fast reset rivet gun - Google Patents
Fast reset rivet gun Download PDFInfo
- Publication number
- CN203791562U CN203791562U CN201420059824.1U CN201420059824U CN203791562U CN 203791562 U CN203791562 U CN 203791562U CN 201420059824 U CN201420059824 U CN 201420059824U CN 203791562 U CN203791562 U CN 203791562U
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- piston chamber
- slide valve
- chamber
- valve
- valve cavity
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Abstract
The utility model discloses a fast reset rivet gun. The fast reset rivet gun comprises a gun body and an air cylinder body, wherein the gun body and the air cylinder body are fixedly connected, and a piston push rod corresponds to a hydraulic oil cavity in the gun body. The fast reset rivet gun is characterized in that the air cylinder body is provided with a piston cavity and a slide valve cavity, the slide valve cavity is composed of an upper slide valve cavity body, an air inlet cavity and a lower slide valve cavity body, the air inlet cavity is formed between the upper slide valve cavity body and the lower slide valve cavity body, the upper slide valve cavity body and the lower slide valve cavity body are respectively provided with an air hole communicated with the piston cavity, a double-end slide valve is arranged in the slide valve cavity, two valve heads of the double-end slide valve correspond to the upper slide valve cavity body and the lower slide valve cavity body respectively, a reset spring is arranged between the double-end slide valve and the lower slide valve cavity body, a switch ejector rod is arranged between the double-end slide valve and the upper slide valve cavity body, the switch ejector rod corresponds to a trigger component, the switch ejector rod is in clearance fit with the upper slide valve cavity body, and a vent hole is formed in the bottom of the lower slide valve cavity body. The fast reset rivet gun is high in reset speed after riveting, the reset assisting time is largely shortened, and production efficiency is improved.
Description
Technical field
The utility model relates to a kind of rivet gun, especially a kind of Rapid reset rivet gun.
Background technology
Rivet gun has another name called riveting gun and is mainly used in aluminium, iron, the riveted joint of stainless steel materials.Be mainly that the working forms combining by air pressure, oil pressure pulls rivet, its advantage is that blind rivet speed is fast, and blind rivet strength is large.Pneumatic hand riveter is widely used in the industries such as decoration, automobile making and repacking, container, electrical equipment, household electrical appliances, instrument, case and bag and machine-building, is one of current international state-of-the-art clincher tool.
Rivet gun on market is all mainly to utilize air rammer push rod compression hydraulic oil, makes the hydraulic oil with pressure of full rivet gun body promote the pull bar piston rollback in rivet gun body, thereby realizes the fastening object of rivet staking.The rivet gun blind rivet speed that this type of pneumatic-hydraulic combines is fast, and blind rivet strength is large, and staking is effective.But, thisly utilize the rivet gun that pneumatic-hydraulic combines also to have the slow-footed problem of blind rivet piston reset simultaneously.
Existing rivet gun is provided with compression spring with respect to the afterbody of pull bar piston in rifle body, when rivet gun completes after staking operation, rivet gun is rollback under the active force of the afterbody compression spring of pull bar piston, the now effect of the complete spring force of reset speed of pull bar piston, hydraulic oil oil return is slow, cause pull bar piston reset slow, thereby increased the time of next staking operation, reduced production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of Rapid reset rivet gun that carries out the rear Rapid reset blind rivet pull bar of pulling rivet operation.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of Rapid reset rivet gun, comprise: rifle body, cylinder block, described rifle body is fixedly connected with cylinder block, piston push rod is corresponding with the hydraulic fluid chamber on rifle body, it is characterized in that: in described cylinder block, be respectively equipped with plunger shaft and piston chamber, described piston chamber consists of upper piston chamber, inlet chamber and lower piston chamber, inlet chamber is located between piston chamber and lower piston chamber, and upper piston chamber is respectively equipped with on lower piston chamber the pore being connected with plunger shaft; In piston chamber, be provided with double end guiding valve, two valve heads of this double end guiding valve are corresponding with upper piston chamber and lower piston chamber respectively; Between double end guiding valve and lower piston chamber, be provided with back-moving spring, between double end guiding valve and upper piston chamber, be provided with switch push rod, this switch push rod is corresponding with trigger parts; Switch push rod and upper piston chamber matched in clearance, lower piston chamber bottom is provided with steam vent.
Preferably, in described upper piston chamber and lower piston chamber, be also provided with seal cartridge, sealing lining is fixedly connected with cylinder block by screw, between seal cartridge and valve cavity wall, be provided with gap, seal cartridge inner chamber connects, double end guiding valve valve head external diameter equates with seal cartridge intracavity diameter and inlet chamber intracavity diameter, and sealing is slided between seal cartridge and inlet chamber.
Preferably, the valve head middle part, two ends of described double end guiding valve is provided with limited block, this limited block annular protrusion, and its outer end diameter is greater than seal cartridge intracavity diameter and inlet chamber intracavity diameter.
Preferably, the valve head on described double end guiding valve and valve rod are detachable form, and this valve head is connected and fixed by screw and valve rod.
Preferably, described pore is located at respectively plunger shaft top and bottom, and the position of pore is corresponding with the upper and lower displacement extreme position of piston push rod.
Preferably, described back-moving spring is turriform spring.
The utility model adopts after said structure, version by adopting double end guiding valve Bidirectional gas pressure to drive, increases reverse back pressure to piston push rod, adds the back-flow velocity of hydraulic oil in quick firing body, thereby realized the Rapid reset of blind rivet pull bar piston, object.The utility model is simple in structure, simple installation, and after rivet gun staking, reset speed is fast, and large good fortune shortens the non-cutting time that resets, and enhances productivity.
Accompanying drawing explanation
Fig. 1 is the structural representation in the utility model staking duty.
Fig. 2 is that A-A of the present utility model is to view.
In figure: 1, rifle body, 2, cylinder block, 21, plunger shaft, 22, piston chamber, 23, upper piston chamber, 24, inlet chamber, 25, lower piston chamber, 26, pore, 3, piston push rod, 4, hydraulic fluid chamber, 5, double end guiding valve, 51, switch push rod, 52, limited block, 6, back-moving spring, 7, trigger parts, 8, seal cartridge, 9, blind rivet piston.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in the figure, a kind of Rapid reset rivet gun, comprise: rifle body 1, cylinder block 2, described rifle body 1 is fixedly connected with cylinder block 2, piston push rod 3 is corresponding with the hydraulic fluid chamber 4 on rifle body 1, it is characterized in that: in described cylinder block 2, be respectively equipped with plunger shaft 21 and piston chamber 22, described piston chamber 22 consists of upper piston chamber 23, inlet chamber 24 and lower piston chamber 25, inlet chamber 24 is located between piston chamber 23 and lower piston chamber 25, and upper piston chamber 23 is respectively equipped with on lower piston chamber 25 pore 26 being connected with plunger shaft 21; In piston chamber 22, be provided with double end guiding valve 5, two valve heads of this double end guiding valve 5 are corresponding with upper piston chamber 23 and lower piston chamber 25 respectively; Between double end guiding valve 5 and lower piston chamber 25, be provided with back-moving spring 6, between double end guiding valve 5 and upper piston chamber 23, be provided with switch push rod 51, this switch push rod 51 is corresponding with trigger parts 7; Switch push rod 51 and upper piston chamber 23 matched in clearance, lower piston chamber 25 bottoms are provided with steam vent 26.
Preferably, in described upper piston chamber 23 and lower piston chamber 25, be also provided with seal cartridge 8, sealing lining 8 is fixedly connected with cylinder block 2 by screw, between seal cartridge 8 and valve cavity wall, be provided with gap, seal cartridge 8 inner chambers connect, double end guiding valve 5 valve head external diameters equate with seal cartridge 8 intracavity diameters and inlet chamber 24 intracavity diameters, and sealing is slided between seal cartridge 8 and inlet chamber 24.
Preferably, the valve head middle part, two ends of described double end guiding valve 5 is provided with limited block 52, these limited block 52 annular protrusions, and its outer end diameter is greater than seal cartridge 8 intracavity diameters and inlet chamber 24 intracavity diameters.
Preferably, the valve head on described double end guiding valve 5 and valve rod are detachable form, and this valve head is connected and fixed by screw and valve rod.
Preferably, described pore 26 is located at respectively plunger shaft 21 top and bottom, and the position of pore 26 is corresponding with the upper and lower displacement extreme position of piston push rod 3.
Preferably, described back-moving spring 6 is turriform spring.
Operation principle: under reset condition, the double end guiding valve 5 in cylinder block 2 piston chambers 22 keeps propradation under the active force of back-moving spring 6.Now, double end guiding valve 5 is connected upper piston chamber 23 and inlet chamber 24, lower piston chamber 25 is connected with ambient atmosphere, pressure-air enters plunger shaft 21 from the pore 26 of upper end, the full plunger shaft of pressure-air 21 upper ends, piston push rod 3 rests on plunger shaft 21 bottoms under the effect of pressure-air, and piston push rod 3 is not exerted pressure to hydraulic fluid chamber 4, in rifle body 1, blind rivet piston 9, in initial status under the effect of spring force, is awaited orders for staking operates.
When operating personnel install rivet, press trigger parts 7 and carry out staking when operation, trigger parts 7 drive switch push rod 51 to press down, it is descending that double end guiding valve 5 overcomes the spring force of back-moving spring 6,5 commutations of double end guiding valve cause lower piston chamber 25 and inlet chamber 24 to be connected, upper piston chamber 23 ambient atmosphere are connected, and pressure-air commutation enters from lower piston chamber 25.Pressure-air is by entering plunger shaft 21 with the pore 26 of lower piston chamber 25 connections, promoting piston push rod 3 rises, piston push rod 3 space in compression hydraulic oil pocket 4 in the process rising makes hydraulic oil supercharging, with the hydraulic oil of pressure, overcome the spring force of blind rivet piston 9 afterbodys in rifle body 1, make to move after blind rivet piston 9, complete the staking operation to rivet.
After completing staking operation, operating personnel unclamp trigger parts 7, double end guiding valve 5 in cylinder block 2 piston chambers 22 recovers propradation under the active force of back-moving spring 6, double end guiding valve 5 is connected upper piston chamber 23 and inlet chamber 24, lower piston chamber 25 is connected with ambient atmosphere, pressure-air enters plunger shaft 21 from the pore 26 of upper end, the full plunger shaft of pressure-air 21 upper ends, piston push rod 3 return back to plunger shaft 21 bottoms under the effect of pressure-air, the pressure that piston push rod 3 is eliminated hydraulic fluid chamber 4, blind rivet piston 9 Rapid reset initial status under the effect of spring force in rifle body 1, for the operation of staking is next time awaited orders.
The above is preferred embodiment of the present utility model; certainly can not limit with this interest field of the utility model; should be understood that; for those skilled in the art; the technical solution of the utility model is modified or is equal to replacement, do not depart from the protection domain of technical solutions of the utility model.
Claims (6)
1. a Rapid reset rivet gun, comprise: rifle body (1), cylinder block (2), described rifle body (1) is fixedly connected with cylinder block (2), piston push rod (3) is corresponding with the hydraulic fluid chamber (4) on rifle body (1), it is characterized in that: in described cylinder block (2), be respectively equipped with plunger shaft (21) and piston chamber (22), described piston chamber (22) is by upper piston chamber (23), inlet chamber (24) and lower piston chamber (25) form, inlet chamber (24) is located between piston chamber (23) and lower piston chamber (25), upper piston chamber (23) with on lower piston chamber (25), be respectively equipped with the pore (26) being connected with plunger shaft (21), in piston chamber (22), be provided with double end guiding valve (5), two valve heads of this double end guiding valve (5) are corresponding with upper piston chamber (23) and lower piston chamber (25) respectively, between double end guiding valve (5) and lower piston chamber (25), be provided with back-moving spring (6), between double end guiding valve (5) and upper piston chamber (23), be provided with switch push rod (51), this switch push rod (51) is corresponding with trigger parts (7), switch push rod (51) and upper piston chamber (23) matched in clearance, lower piston chamber (25) bottom is provided with steam vent (26).
2. Rapid reset rivet gun according to claim 1, it is characterized in that: in described upper piston chamber (23) and lower piston chamber (25), be also provided with seal cartridge (8), sealing lining (8) is fixedly connected with cylinder block (2) by screw, between seal cartridge (8) and valve cavity wall, be provided with gap, seal cartridge (8) inner chamber connects, double end guiding valve (5) valve head external diameter equates with seal cartridge (8) intracavity diameter and inlet chamber (24) intracavity diameter, and sealing is slided between seal cartridge (8) and inlet chamber (24).
3. Rapid reset rivet gun according to claim 2, it is characterized in that: the valve head middle part, two ends of described double end guiding valve (5) is provided with limited block (52), this limited block (52) annular protrusion, its outer end diameter is greater than seal cartridge (8) intracavity diameter and inlet chamber (24) intracavity diameter.
4. Rapid reset rivet gun according to claim 1, is characterized in that: valve head and valve rod on described double end guiding valve (5) are detachable form, and this valve head is connected and fixed by screw and valve rod.
5. Rapid reset rivet gun according to claim 1, is characterized in that: described pore (26) is located at respectively plunger shaft (21) top and bottom, and the position of pore (26) is corresponding with the upper and lower displacement extreme position of piston push rod (3).
6. Rapid reset rivet gun according to claim 1, is characterized in that: described back-moving spring (6) is turriform spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059824.1U CN203791562U (en) | 2014-02-10 | 2014-02-10 | Fast reset rivet gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059824.1U CN203791562U (en) | 2014-02-10 | 2014-02-10 | Fast reset rivet gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203791562U true CN203791562U (en) | 2014-08-27 |
Family
ID=51373832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420059824.1U Expired - Fee Related CN203791562U (en) | 2014-02-10 | 2014-02-10 | Fast reset rivet gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203791562U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752757A (en) * | 2014-02-10 | 2014-04-30 | 广东美特机械有限公司 | Quick restoration rivet gun |
| CN106078620A (en) * | 2016-07-25 | 2016-11-09 | 临海市微能铸机有限公司 | Nailing gun |
| CN111940667A (en) * | 2020-08-12 | 2020-11-17 | 杭州丰衡机电有限公司 | Full-automatic pneumatic hand riveter for assembling case |
-
2014
- 2014-02-10 CN CN201420059824.1U patent/CN203791562U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752757A (en) * | 2014-02-10 | 2014-04-30 | 广东美特机械有限公司 | Quick restoration rivet gun |
| CN103752757B (en) * | 2014-02-10 | 2017-04-19 | 广东美特机械有限公司 | Quick restoration rivet gun |
| CN106078620A (en) * | 2016-07-25 | 2016-11-09 | 临海市微能铸机有限公司 | Nailing gun |
| CN106078620B (en) * | 2016-07-25 | 2018-02-09 | 临海市微能铸机有限公司 | Nailing gun |
| CN111940667A (en) * | 2020-08-12 | 2020-11-17 | 杭州丰衡机电有限公司 | Full-automatic pneumatic hand riveter for assembling case |
| CN111940667B (en) * | 2020-08-12 | 2022-05-06 | 杭州丰衡机电有限公司 | Full-automatic pneumatic hand riveter for assembling case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20150210 |
|
| EXPY | Termination of patent right or utility model |