CN217572771U - Moving structure of nailing gun piston - Google Patents

Abstract

The utility model provides a moving structure of nailing gun piston belongs to mechanical technical field. The safety device solves the problem of how to improve the moving safety of the piston in the cylinder. This moving structure of nailing gun piston is connected with the connecting rod on the first piston, be equipped with the mounting groove on the first piston, be equipped with the connecting hole that is located the mounting groove on the connecting rod, still be equipped with a plurality of mounting hole on the first piston, be connected with the connecting rod in the mounting hole, the connecting rod inserts in the mounting hole and passes the connecting hole, be equipped with the fixed orifices on the connecting rod, be connected with on the fixed orifices and be used for restricting the connecting rod at the gliding dead lever of mounting hole, still be equipped with the joint piece on the first piston, the joint piece supports and leans on the dead lever. When dead lever and fixed orifices fixed connection in this scheme, the joint piece supports and leans on and to restrict the removal of dead lever on first piston on the dead lever for the connecting rod keeps fixed in the mounting hole of first piston, has avoided connecting rod and cylinder inner wall to take place the contact, has improved the security that the piston removed in the cylinder.

Description

Moving structure of nailing gun piston

Technical Field

The utility model belongs to the technical field of machinery, a nailing gun is related to, in particular to moving structure of nailing gun piston.

Background

The nailing gun is a modern nail shooting fastening technology product, can shoot nails, and belongs to a direct consolidation technology. The pneumatic nailing gun mainly comprises a gun body, a cylinder, a switch assembly, a piston, a firing pin locking device, a nail nozzle, a nail box and other assemblies, and the working principle of the pneumatic nailing gun is that high-pressure gas generated in the cylinder is used as a power source, the high-pressure gas drives the firing pin in the cylinder of the nailing gun to perform hammering movement, and nails in nail outlet grooves are nailed into objects.

The high-pressure gas on the nailing gun is mainly generated by moving a piston in a cylinder to compress the gas in the cylinder, the piston is moved in the cylinder mainly by power provided by a motor, the motor outputs power and then is connected with a crank, the crank is connected with the piston by a connecting rod, and the connecting rod drives the piston to reciprocate in the cylinder. The connecting rod and the piston are connected by mainly inserting the pin shaft into holes of the piston and the connecting rod, and the connecting rod needs to rotate smoothly in the piston, so that a gap exists between the connecting rod and the piston, and the connecting rod has a moving space.

In the structure, when the connecting rod moves, the connecting rod touches the pin shaft, and the pin shaft can move in the hole of the piston due to friction between the connecting rod and the pin shaft, so that the pin shaft is possibly removed from the piston and touches the inner wall of the cylinder, and the cylinder is abraded.

Disclosure of Invention

The utility model aims at solving the problems of the prior art and providing a moving structure of a nailing gun piston, which aims to solve the technical problems that: how to improve the safety of the piston moving in the cylinder.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a removal structure of nailing gun piston, the nailing gun include first cylinder and hug closely the first piston in first cylinder, first piston on be connected with and be used for making its connecting rod of reciprocating sliding in first cylinder, first piston on be equipped with the mounting groove, the connecting rod on be equipped with the connecting hole that is located the mounting groove, first piston on still be equipped with a plurality of mounting hole, the mounting hole in be connected with the connecting rod, the connecting rod insert in the mounting hole and pass the connecting hole, a serial communication port, the connecting rod on be equipped with the fixed orifices, the fixed orifices on be connected with and be used for restricting the connecting rod at the gliding dead lever of mounting hole, first piston on still be equipped with the joint piece, the joint piece support and lean on the dead lever.

The theory of operation of this scheme is as follows, be provided with the joint piece on the first piston, when dead lever and fixed orifices fixed connection, the joint piece supports and leans on and to limit the removal of dead lever on first piston on the dead lever for the connecting rod keeps fixed in the mounting hole of first piston, has avoided connecting rod and cylinder inner wall to take place the contact, has improved the security that the piston removed in the cylinder, and the joint piece has strengthened the intensity of first piston simultaneously, makes dead lever and first piston connection more stable.

In the above moving structure of the nailing gun piston, the number of the clamping blocks is at least two.

In foretell moving structure of nailing gun piston, the joint piece be platelike structure, the joint piece on be equipped with the card hole, the dead lever pass behind the card hole with fixed orifices fixed connection, the dead lever support and lean on the face of joint piece.

In the above moving structure of the nailing gun piston, the fixing rod and the fixing hole are fixedly connected through a thread. The fixed rod and the fixed hole are fixedly connected through threads, so that the connection stability of the fixed rod and the fixed hole is improved.

In the above moving structure of the nailing gun piston, the first piston is further provided with a reinforcing rib. The reinforcing ribs increase the strength of the first piston.

In the above moving structure of the nailing gun piston, the first piston is provided with a guide piece. The guide piece increases the contact area of the first piston and the inner wall of the cylinder, so that the first piston moves on the inner wall of the cylinder more stably.

In the above moving structure of the nailing gun piston, the fixing rod and the fixing hole are fixedly connected through a clamping structure. The fixing rod and the fixing hole are fixedly connected through the clamping structure, so that the fixing rod and the fixing hole can be conveniently installed.

In foretell moving structure of nailing gun piston, the dead lever on be equipped with the joint piece, the fixed orifices on be equipped with the joint groove, the joint piece joint in the joint inslot.

Compared with the prior art, the utility model has the advantages of it is following:

1. the clamping block supports against the fixed rod to limit the fixed rod to move on the first piston, so that the connecting rod is fixed in the mounting hole of the first piston, the connecting rod is prevented from contacting with the inner wall of the cylinder, and the safety of the piston moving in the cylinder is improved.

2. In this scheme, dead lever and fixed orifices pass through the installation between joint structure fixed connection convenience dead lever and the fixed orifices.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the present invention

Fig. 4 is a schematic structural view of the first piston, the connecting rod and the fixing rod of the present invention;

FIG. 5 is a schematic view of a part of the structure of the present invention;

fig. 6 is a schematic view of a part of the structure of the second embodiment of the present invention;

fig. 7 is a schematic view of a part of the structure of the third embodiment of the present invention.

In the figure, 1, a housing; 2. a striker; 3. a locking member; 4. a first cylinder; 5. a first piston; 5a, reinforcing ribs; 5b, a guide sheet; 5c, mounting holes; 5d, mounting grooves; 5e, a clamping block; 5f, clamping holes; 6. a second cylinder; 7. a second piston; 8. a connecting rod; 8a, a connecting hole; 9. a crank; 10. a motor; 11. a gear reducer; 12. a button; 13. a motor control board; 14. a nail box; 15. a connecting rod; 15a, fixing holes; 16. fixing the rod; 16a, a snap tab.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1, 2 and 3, the pneumatic nailing gun includes a housing 1 and a striker 2 provided on the housing 1 to be capable of reciprocating for nailing, and a lock member 3 capable of locking or releasing the striker 2 is further provided on the housing 1. A first cylinder 4 and a second cylinder 6 are further arranged in the housing 1, a first piston 5 is arranged in the first cylinder 4, a connecting rod 8 is connected to the first piston 5, a crank 9 is connected to the connecting rod 8, a motor 10 arranged in the housing 1 is connected to a gear reducer 11, an output shaft of the gear reducer 11 is connected to the crank 9, and the first piston 5 can be driven by the rotation power of the motor 10 to linearly reciprocate in the first cylinder 4. A second piston 7 capable of reciprocating is arranged in the second cylinder 6, and the firing pin 2 is fixedly connected to the second piston 7. A button 12 is further arranged at the lower end of the holding part of the shell 1, the button 12 is connected with a motor control board 13, and after the button 12 is pressed down, the motor control board 13 controls the motor 10 to drive the first piston 5 to perform a compression stroke and a return stroke. The front end of the shell 1 is provided with a nail box 14, after the first piston 5 completes the compression stroke, the locking piece 3 is unlocked, so that the firing pin 2 and the second piston 7 are in an unlocked state, the second piston 7 moves at high speed under the action of high pressure, and the firing pin 2 is driven to strike a nail in front of the firing pin 2, so that one nailing action is completed. And then the first piston 5 performs a return stroke, returns the second piston to the position of locking the striker 2 under the action of negative pressure, and locks the striker 2 again by the lock hook to realize continuous nailing.

As shown in fig. 4 and 5, the first piston 5 is provided with a grid-shaped reinforcing rib 5a, the reinforcing rib 5a increases the strength of the first piston 5, the first piston 5 is further provided with a guide piece 5b, and the guide piece 5b increases the contact area between the first piston 5 and the inner wall of the cylinder, so that the first piston 5 moves more stably on the inner wall of the cylinder. Be equipped with mounting groove 5d and a plurality of mounting hole 5c on first piston 5, be equipped with the connecting hole 8a that is located mounting groove 5d on connecting rod 8, connecting rod 15 inserts in mounting hole 5c and passes connecting hole 8a and make connecting rod 8 and first piston 5 connect, still be equipped with fixed orifices 15a on connecting rod 15, be connected with dead lever 16 on the fixed orifices 15a, dead lever 16 is fixed in fixed orifices 15a through the mode of screw thread, dead lever 16 is used for restricting connecting rod 15 gliding dead lever 16 in mounting hole 5c, still be equipped with two joint pieces 5e on first piston 5, joint piece 5e supports and leans on and restricts the removal of dead lever 16 on first piston 5 on dead lever 16, make connecting rod 15 keep fixed in mounting hole 5c of first piston 5, connecting rod 15 has avoided the contact with the cylinder inner wall, the security that the piston removed in the cylinder has been improved.

Example two

The second embodiment is basically the same as the first embodiment, except that the fixing rod 16 and the fixing hole 15a are connected by clamping, a clamping sheet 16a is arranged on the fixing rod 16, and the clamping sheet 16a is clamped in the fixing hole 15 a.

EXAMPLE III

The third embodiment is basically the same as the first embodiment in structure, except that the clamping block 5e is a plate-shaped structure, the clamping block 5e is provided with a clamping hole 5f, the fixing rod 16 penetrates through the clamping hole 5f and then is fixedly connected with the fixing hole 15a, and the fixing rod 16 abuts against the plate surface of the clamping block 5 e.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, the housing is used more herein; 2. a striker; 3. a locking member; 4. a first cylinder; 5. a first piston; 5a, reinforcing ribs; 5b, a guide sheet; 5c, mounting holes; 5d, mounting grooves; 5e, a clamping block; 5f, clamping holes; 6. a second cylinder; 7. a second piston; 8. a connecting rod; 8a, a connecting hole; 9. a crank; 10. a motor; 11. a gear reducer; 12. a button; 13. a motor control board; 14. a nail box; 15. a connecting rod; 15a, fixing holes; 16. a fixing rod; 16a, tabs, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims (8)

1. The utility model provides a removal structure of nailing gun piston, nailing gun include first cylinder (4) and hug closely first piston (5) in first cylinder (4), first piston (5) on be connected with and be used for making its connecting rod (8) of reciprocal slip in first cylinder (4), first piston (5) on be equipped with mounting groove (5 d), connecting rod (8) on be equipped with connecting hole (8 a) that are located mounting groove (5 d), first piston (5) on still be equipped with a plurality of mounting hole (5 c), mounting hole (5 c) in-connection have connecting rod (15), connecting rod (15) insert in mounting hole (5 c) and pass connecting hole (8 a), its characterized in that, connecting rod (15) on be equipped with fixed orifices (15 a), fixed orifices (15 a) on be connected with and be used for restricting connecting rod (15) and slide in dead lever (16) of mounting hole (5 c), first piston (5) on still be equipped with joint piece (5 e), the joint piece (16) by on.

2. The structure for moving a piston in a nailing machine according to claim 1 wherein the number of the catching pieces (5 e) is at least two.

3. The structure of moving a piston in a nailing gun as claimed in claim 1, wherein the engaging block (5 e) is a plate-like structure, the engaging block (5 e) is provided with an engaging hole (5 f), the fixing rod (16) is fixedly connected to the fixing hole (15 a) after passing through the engaging hole (5 f), and the fixing rod (16) abuts against the plate surface of the engaging block (5 e).

4. A moving structure of a nailing gun plunger according to claim 2 or 3, wherein the fixing rod (16) and the fixing hole (15 a) are fixedly connected by screw.

5. A moving structure of a nailing gun piston as claimed in claim 4, wherein a rib (5 a) is further provided on the first piston (5).

6. A moving structure of a nailing gun piston as claimed in claim 5, wherein a guide piece (5 b) is provided on the first piston (5).

7. A moving structure of a nailing gun piston according to claim 2, wherein the fixing rod (16) and the fixing hole (15 a) are fixedly connected by a snap-fit structure.

8. A moving structure of a nailing gun plunger according to claim 7, wherein the fixing lever (16) is provided with a catching piece (16 a), and the catching piece (16 a) is caught in the fixing hole (15 a).

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