CN212170293U - Limit structure of nailing gun device - Google Patents

Abstract

The utility model discloses a limit structure of a nailing gun device, which comprises a gun cover, a gun head and a firing pin, wherein the gun cover is provided with a first channel along the length direction of the gun cover, the gun head is provided with a second channel corresponding to the first channel, the bottom surface of the first channel is provided with a first limit bulge, the firing pin faces to the lower bottom surface of the slot and is provided with a second limit bulge, the second limit bulge can be matched and abutted with the second limit bulge when the firing pin moves upwards along a nail punching channel along with the firing pin, and the upper top surface of the firing pin is limited by the abutting pressure of the second channel, so that the first limit bulge can not lift the firing pin to pass when being blocked by the first limit bulge, thereby playing the role of preventing the firing pin from being separated from the nail punching channel, the limit structure is designed without changing the width size of the nail punching channel and the firing pin, the forming and the manufacturing are simpler, and the, thereby playing a limiting and retaining effect on the firing pin in the nail punching channel.

Description

Limit structure of nailing gun device

Technical Field

The utility model relates to a nailing instrument technical field, concretely relates to limit structure of nailing gun device.

Background

In the construction such as building decoration and electric power laying wire casing, it is fixed to all need use the nailing usually, and traditional operation mode is that constructor directly holds between the fingers the nail with the hand, then strikes the nail with the hammer and fix to corresponding mounted position on, but this kind of operation mode's efficiency of construction is low, very easily causes constructor hand injury because of the misoperation, and the security is poor.

The existing movable nailing machine mainly comprises a nail slot group, a gun head, a gun cover, a firing pin and a reset spring, wherein the gun head is arranged at the front end of the nail slot group, the firing pin is arranged in a channel formed between the gun cover and the gun head, the reset spring is sleeved outside the firing pin, in order to prevent the firing pin from falling out of the channel when in reset motion, as shown in figure 6, a backstop step 02 is arranged on the gun cover 01, backstop convex edges extending outwards are correspondingly arranged on two sides of the nail, the backstop step 02 is respectively arranged on two side walls at the top of the channel, and the backstop mode is adopted, so that the width of the upper section of the channel is smaller, the width of the lower section of the channel is larger, two backstop convex edges are required to be processed on the side walls on the two sides of the firing pin, the requirement on matching precision is higher, the forming and manufacturing process is more complex, and the structural. At present, a plurality of manufacturing enterprises pay attention to the future development of the nailing gun, and in order to better promote the production and the manufacture of the nailing gun, a limit mode which can play a retaining effect on the firing pin in the nailing channel under the condition of not changing the width of the nailing channel and the firing pin is desired to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough to provide one kind and need not to change the width of punching nail passageway and firing pin, the limit structure of the nailing gun device of stopping effect is played towards the nail passageway to the firing pin.

The utility model provides a limit structure of nailing gun device, be in including rifle lid, rifle head and slidable setting striker between rifle head and the rifle lid, the rifle lid is provided with first channel along its length direction, the rifle head be provided with the corresponding second channel of first channel, first channel and second channel are to closing to form and are held the gliding nail punching passageway of striker, the tank bottom surface of first channel is equipped with first spacing arch, the striker orientation the lower bottom surface of tank bottom surface is equipped with the spacing arch of second, first spacing arch with the spacing arch of second is close to respectively first channel upper end with the striker lower extreme sets up, through first spacing arch is supported with the spacing protruding cooperation card of second and is injectd the striker is followed the distance that the nail punching passageway shifts up.

Preferably, the first limiting protrusion and the second limiting protrusion are respectively formed in a boss structure formed on the bottom surface of the groove and the bottom surface of the striker, and the upper top surface of the striker is in matched sliding contact with the second groove.

As a preferable scheme, a guide structure is arranged between the first channel and the striker, the guide structure comprises a guide protruding strip arranged in the first channel and a guide sliding chute correspondingly arranged on the lower bottom surface of the striker, and the guide protruding strip is in fit sliding connection with the guide sliding chute.

As a preferable scheme, the second limiting protrusion comprises two bosses respectively arranged at the tops of the groove walls on the two sides of the guide chute.

Preferably, the upper surface of the striker is in abutting contact with the second channel.

As a preferred scheme, the gun head is connected with a binding grab handle, and a nail feeding port for connecting the binding grab handle and the second channel is arranged on the gun head.

Preferably, the striker includes a striker body slidably disposed in the punch pin channel, and an impact end disposed at an upper end of the striker body and extending out of the punch pin channel, and a limit step is disposed between the impact end and the striker body.

As a preferable scheme, a reset structure is arranged between the firing pin and the lance head, and the reset structure comprises: the punching pin device comprises a groove which is formed on the gun cover in parallel with the punching pin channel, a reset spring which is arranged in the groove, and a connecting rod which is fixedly connected with the striking end and extends into the groove, wherein the reset spring is sleeved on the connecting rod, one end of the reset spring is limited at one end of the connecting rod, and the other end of the reset spring is abutted against the groove.

Compared with the prior art, the technical scheme of the utility model have the following advantage:

1. the utility model provides a limit structure of nailing gun device, according to dash the nail passageway by first channel and second channel involution formation, through set up first spacing arch at the tank bottom surface of first channel, and set up second spacing arch in the firing pin bottom surface down, second spacing arch along with the firing pin can with the cooperation of second spacing arch offset when moving up along dashing the nail passageway, because the top surface is supported and pressed the restriction by the second channel on the firing pin, make first spacing arch be unable when being stopped by first spacing arch to raise the firing pin more past, thereby restrict the firing pin continue to move up along dashing the nail passageway, in order to play the effect that prevents the firing pin and break away from dashing the nail passageway, this kind of limit structure design need not to change the width size of dashing nail passageway and firing pin, the shaping preparation is comparatively convenient, moreover, the steam generator is simple in structure, the installation cooperation is reliable, as long as the firing pin just makes two spacing archs of meeting after certain distance shifts up block together, thereby playing a limiting and retaining effect on the striker.

2. The utility model provides a limit structure of nailing gun device, first spacing arch and the spacing arch of second are the shaping respectively the tank bottom surface with the lug boss structure of bottom surface under the firing pin, the lower bottom surface of firing pin is sliding contact on first channel, when the firing pin is close to first channel and goes up the port direction and remove, just make two lug boss structures be close to each other and cooperate the counterbalance together to block the motion trend that the firing pin shifted up is with the reliable spacing of firing pin in the nail punching passageway.

3. The utility model provides a limit structure of nailing gun device plays the guide effect through direction spout and direction sand grip cooperation to the motion of firing pin, prevents that the firing pin from taking place the offset when moving in the nail punching passageway, guarantees that the motion of firing pin in the nail punching passageway is more smooth and easy, promotes the nailing effect of firing pin.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a gun cover of a nailing gun device according to the present invention;

FIG. 2 is a front view of a nail striking device of the nailing gun device provided by the present invention;

FIG. 3 is a side view of the staple of the present invention;

fig. 4 is a schematic structural view of the gun head of the present invention;

fig. 5 is a schematic sectional structure view of the gun head and the gun cover of the present invention;

FIG. 6 is a schematic view of a nailer head of the prior art;

description of reference numerals: the nail driving device comprises a gun cover 1, a gun cover 11, a first channel, a guide convex strip 12, a gun head 2, a second channel 21, a nail feeding port 22, a firing pin 3, a guide sliding groove 31, a striking end 32, a limiting step 33, a first limiting bulge 4, a second limiting bulge 5, a boss 51, a groove 6, a return spring 7, a connecting rod 8 and a nail punching channel 9.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

The present embodiment is described in detail below with reference to the accompanying drawings:

this embodiment provides a structure for restraining a nailing gun assembly as shown in fig. 1 to 5, comprising a gun cover 1, a gun head 2 and a striker 3 slidably disposed between the gun head 2 and the gun cover 1, the gun cover 1 is provided with a first channel 11 along the length direction thereof, the gun head 2 is provided with a second channel 21 corresponding to the first channel 11, the first channel 11 and the second channel 21 are combined to form a punching nail channel 9 for accommodating the striker 3 to slide, a first limiting bulge 4 is arranged on the bottom surface of the first channel 11, a second limiting bulge 5 is arranged on the lower bottom surface of the firing pin 3 facing the bottom surface of the channel, the first limiting bulge 4 and the second limiting bulge 5 are respectively arranged close to the upper end of the first channel 11 and the lower end of the firing pin 3, the first limit bulge 4 and the second limit bulge 5 are matched and clamped to limit the upward moving distance of the firing pin 3 along the punch pin channel.

The above embodiment is a core technical solution of this embodiment, according to that the staple punching channel 9 is formed by the first channel 11 and the second channel 21 in an involution manner, by providing the first limiting protrusion 4 on the bottom surface of the first channel 11, and providing the second limiting protrusion 21 on the bottom surface of the striker 3, the second limiting protrusion 4 will be matched and abutted against the second limiting protrusion 5 when the striker moves upward along the staple punching channel, because the upper top surface of the striker 3 is limited by the second channel in a butting manner, the first limiting protrusion 4 cannot lift the striker 3 beyond when being blocked by the second limiting protrusion 5, so as to limit the striker 3 to continue moving upward along the staple punching channel, so as to prevent the striker 3 from separating from the staple punching channel 9, and this limiting structure design does not need to change the width dimensions of the staple punching channel and the striker, the shaping preparation is comparatively convenient, simple structure, and the installation cooperation is reliable, just makes two spacing archs meet the card to be in the same place as long as the firing pin shifts up behind the certain distance to play spacing stopping effect to the firing pin.

As a preferred embodiment, the first limiting protrusion 4 and the second limiting protrusion 5 are respectively formed on the bottom surface of the slot and the bottom surface of the striker, and the processing and forming of the protruding structures are relatively simple, the bottom surface of the striker 3 is in sliding contact with the first channel 11, the top surface of the striker 3 is in matching sliding contact with the second channel 21, so that the striker 3 slides smoothly along the staple punching channel 9, when the striker 3 moves close to the upper port of the first channel, the two protruding structures are close to each other and are matched and abutted together, thereby blocking the moving trend of the upward movement of the striker 3, and reliably limiting the striker in the staple punching channel.

In order to better guide the movement of the striker in the punch nail channel, as shown in fig. 1-2, a guide structure is provided between the first channel 11 and the striker 3, the guide structure includes a guide protruding strip 12 disposed in the first channel 11, and a guide sliding slot 31 correspondingly disposed on the lower bottom surface of the striker 3, the guide protruding strip 12 extends in the same direction as the first channel 11, the guide protruding strip 12 is in sliding connection with the guide sliding slot 31 in a matching manner, according to the fact that the guide sliding slot and a second limit protrusion are both disposed on the lower bottom surface of the striker, specifically, the second limit protrusion 5 includes two bosses 51 respectively disposed on the tops of two side slot walls of the guide sliding slot 31, the two bosses 51 are disposed at the port positions of the guide sliding slot, and when moving along with the guide sliding slot of the striker, the two bosses will be abutted against the second limit protrusion in the first channel in a matching manner, the structure arrangement can prevent the striker 3 from shifting when moving in the nail punching channel by guiding the movement of the striker 3 through the cooperation of the guide sliding chute 31 and the guide convex strip 12, thereby ensuring that the movement of the striker in the nail punching channel is smoother and improving the nailing effect of the striker.

In this embodiment, the gun head 2 is connected to a nailing handle (the nailing handle is not shown in the drawings), and a nail feeding port 22 is provided thereon for connecting the nailing handle and the second channel 21, and the nailing handle pushes a nail into the punching passage 9 through the nail feeding port 22, so as to allow a nailing operation of the striker 3.

As shown in fig. 2-4, the striker 3 includes a striker body slidably disposed in the staple channel, and a striking end 32 disposed at the upper end of the striker body and extending out of the staple channel, and a limiting step 33 is disposed between the striking end 32 and the striker body, such that when the striker body moves down in the staple channel for striking a staple, a staple is pushed out from the lower port of the staple channel, and the limiting step 33 is abutted against the upper port of the staple channel in a matching manner to block the striker 3 from continuing to move down, and at this time, the striker 3 performs a striking operation, and when the striker 3 is driven to move up for striking a staple again, the maximum upward moving distance of the striker 3 is limited by the limiting engagement of the first limiting protrusion 4 and the second limiting protrusion 5, so as to prevent the striker body from coming out of the staple channel, the continuity of the nailing operation is ensured, and the working efficiency is improved.

Referring to fig. 5, a reset structure is arranged between the firing pin 3 and the lance head 2, and the reset structure includes: the gun cap has the advantages that the connecting rod 8 is fixed on the striking end 32 through a bolt structure and is arranged in a parallel extending mode with the firing pin body, the reset spring 7 is sleeved on the connecting rod, one end of the connecting rod is limited at one end of the connecting rod 8, the other end of the connecting rod abuts against the groove 6, the connecting rod 8 is fixed on the striking end 32 through the bolt structure and is arranged in the parallel extending mode with the firing pin body, the design is beneficial in that the connecting rod 8 can extrude the reset spring 7 when moving towards the groove 6, the compression stroke distance of the reset spring 7 is effectively increased through the groove 61, so that the elastic fatigue and damage caused by the over compression of the reset spring 7 are avoided, the service life of the spring is prolonged, and meanwhile, the firing pin 3 can be driven to move upwards along the nail punching channel by the elastic force of the reset spring 7 to realize automatic reset, convenient operation is swift, promotes nailing gun performance.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (7)

1. The utility model provides a limit structure of nailing gun device, includes rifle lid (1), rifle head (2) and slidable setting and is in firing pin (3) between rifle head (2) and rifle lid (1), rifle lid (1) is provided with first channel (11) along its length direction, rifle head (2) be provided with second channel (21) that first channel (11) are corresponding, first channel (11) and second channel (21) are closed to form and are held firing pin (3) gliding towards nail passageway (9), its characterized in that: the groove bottom surface of the first groove channel (11) is provided with a first limiting protrusion (4), the striker (3) faces the lower bottom surface of the groove bottom surface and is provided with a second limiting protrusion (5), the first limiting protrusion (4) and the second limiting protrusion (5) are respectively close to the upper end of the first groove channel (11) and the lower end of the striker (3), and the striker (3) is limited to move upwards along the striker channel by the aid of the first limiting protrusion (4) and the second limiting protrusion (5) in a matched clamping mode.

2. The limit structure of the nailing gun device as claimed in claim 1, wherein: the first limiting bulge (4) and the second limiting bulge (5) are boss structures formed on the bottom surface of the groove and the lower bottom surface of the firing pin respectively, and the upper top surface of the firing pin (3) is in matched sliding contact with the second channel (21).

3. The structure of claim 2, further comprising: a guide structure is arranged between the first channel (11) and the firing pin (3), the guide structure comprises a guide convex strip (12) arranged in the first channel (11) and a guide sliding chute (31) correspondingly arranged on the lower bottom surface of the firing pin (3), and the guide convex strip (12) is in matched sliding connection with the guide sliding chute (31).

4. The structure of claim 3, wherein: the second limiting protrusion (5) comprises two bosses (51) which are respectively arranged at the tops of the groove walls on the two sides of the guide sliding groove (31).

5. The structure of claim 4, wherein: the gun head (2) is connected with the binding grab handle, and a nail feeding port (22) for connecting the binding grab handle and the second channel (21) is arranged on the gun head.

6. The structure for restraining the nailing gun assembly according to any one of claims 1 to 5, wherein: the striker (3) comprises a striker body arranged in the punching nail channel in a sliding manner, and an impact end (32) arranged at the upper end of the striker body and extending out of the punching nail channel, wherein a limiting step (33) is arranged between the impact end (32) and the striker body.

7. The limit structure of the nailing gun device as claimed in claim 6, wherein: a resetting structure is arranged between the firing pin (3) and the gun head (2), and the resetting structure comprises: the gun cover comprises a groove (6) which is formed on the gun cover (1) in parallel with the nail punching channel, a reset spring (7) which is arranged in the groove (6), and a connecting rod (8) which is fixedly connected with the impact end and extends into the groove (6), wherein the reset spring (7) is sleeved on the connecting rod, one end of the reset spring is limited at one end of the connecting rod (8), and the other end of the reset spring is abutted in the groove (6).

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