CN212020642U

CN212020642U - Nailing gun device

Info

Publication number: CN212020642U
Application number: CN202020428666.8U
Authority: CN
Inventors: 叶辉
Original assignee: Yueqing Bozhou Tools Co ltd
Current assignee: Yueqing Bozhou Tools Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-27
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a nailing gun device, which comprises a binding grab handle, a gun head and a firing pin, wherein the firing pin penetrates and extends into a nail punching channel of the gun head, a positioning mechanism is arranged between the binding grab handle and the gun head, the positioning mechanism comprises a through hole which is arranged on one side surface of the gun head and is communicated with the nail punching channel, a ball arranged in the through hole and an elastic pressure rod structure which can be rotatably pressed on the ball, a limit structure for limiting the ball to be separated is arranged at the port of the through hole, the elastic pressure rod structure is pressed on the ball to extrude and clamp the firing pin, the firing pin is prevented from moving, so that the elastic pressure rod structure only needs to press the ball at the port of the through hole, the extension distance is greatly reduced, the triggering distance is shortened, the ball and the firing pin are stably and reliably matched and contacted, the stress is more concentrated, the matching transmission is reliable, the service performance of the product is improved.

Description

Nailing gun device

Technical Field

The utility model relates to a nailing instrument technical field, concretely relates to 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.

Therefore, chinese patent document CN206154232U discloses a manual nailing machine with automatically blocking and resetting striker, which comprises a set of nail slot, a gun head, a gun cover, a striker and a reset spring, wherein the gun head is installed on the front end face of the set of nail slot, the gun head is provided with a blocking component, the striker is arranged in a channel formed between the gun cover and the gun head, the reset spring is sleeved outside the striker, i.e. one end of the spring abuts against the end of the gun head, the other end of the spring abuts against a limit step formed by the striker, the blocking component is fixed on the gun head and comprises a bracket, a positioning handle, a torsion spring and a pin shaft, the positioning handle is provided with a longer positioning tongue, and the striker positioned in the channel is blocked by the positioning tongue penetrating through a positioning hole formed by the gun head.

As can be seen from the structure of the above-described manual nailing machine, there still remain the following problems: 1. the reset spring is sleeved outside the firing pin, the compression stroke amount is large, the elastic fatigue and damage of the reset spring are easily aggravated under the action of larger impact, and the service life of the spring is reduced; 2. the positioning tongue of the positioning handle directly impacts and presses on the firing pin to position the firing pin, so that hard extrusion friction between the positioning tongue and the firing pin is large, and the extension distance of the positioning tongue is long, so that extrusion abrasion and even deformation of the positioning tongue are easily caused, the positioning contact effect of the positioning tongue and the firing pin is reduced, and the use performance of a product is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art that manual nailer passes through the location tongue of location handle and directly passes the locating hole and support to press and block the firing pin, easily causes the extrusion wear of location tongue like this and warp even, reduces the two and fixes a position the contact effect, influences the problem of product performance.

For solving the technical problem, the utility model provides a nailing gun device, including binding grab handle, rifle head and firing pin, be equipped with the staple punching channel that runs through its both ends in the rifle head, the firing pin is worn to stretch in the staple punching channel, be provided with between binding grab handle and the rifle head and be used for the restriction the firing pin is at the positioning mechanism who removes in the staple punching channel, positioning mechanism is including setting up rifle head one side and intercommunication the through-hole of staple punching channel is in with the setting ball in the through-hole to and rotatable support press in elastic compression bar structure on the ball, the ball is in the extrusion blocks under elastic compression bar structure's the effect the firing pin, the port department of through-hole is provided with the restriction the limit structure that the ball was deviate from.

Preferably, the limiting structure comprises an annular rib formed at the port of the through hole, and the diameter of the annular rib is smaller than that of the ball.

As a preferable scheme, the limiting structure comprises a limiting plate arranged on the side face of one side of the gun head and a limiting hole arranged on the limiting plate and opposite to the limiting plate, and the diameter of the limiting hole is smaller than that of the ball.

As a preferred scheme, the through hole is arranged close to the upper end of the gun head, and the ball is a steel ball.

As a preferable scheme, the elastic pressure rod structure comprises: the mounting lug bosses are oppositely arranged on the binding grab handle or the gun head, the pressure rod is rotatably connected between the two mounting lug bosses through a pin shaft, and the torsion spring is sleeved on the pin shaft and is connected with the binding grab handle and the pressure rod.

Preferably, a resetting structure is arranged between the firing pin and the gun head, and the resetting structure is used for driving the firing pin to move towards a direction away from the lower port of the punch pin channel when no external force acts on the firing pin.

As a preferable scheme, the reset structure comprises:

the groove hole is formed in the gun head in parallel with the punching nail channel;

one end of the connecting rod is fixedly connected with the firing pin, and the other end of the connecting rod penetrates through the groove hole;

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 in the groove hole.

Preferably, the connecting rod is fixed to a tip end of the striker by a bolt structure and extends parallel to the striker, and an attachment gap is formed between the connecting rod and the striker.

As a preferred scheme, the binding grab handle comprises a binding groove extending and formed in the binding grab handle along the length direction of the binding grab handle, and a nail feeding cartridge clip arranged in the binding groove, and a nail feeding port connected with the binding groove and the punching nail channel is arranged on the side surface of the gun head.

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

1. the utility model provides a nailing gun device, through set up the ball in the through-hole of rifle head side, elasticity depression bar structure supports to press and is used in the ball to apply the extrusion effort to the firing pin indirectly, promptly through the location of ball extrusion contact firing pin in order to realize the firing pin in the staple passageway, prevent that the firing pin from taking place the removal again, adopt this technical scheme, through the ball at the transmission effect of elasticity depression bar structure power of playing between the firing pin, make elasticity depression bar structure as long as the port department butt ball at the through-hole can, its extension distance that significantly reduces, and shorten the trigger distance, just so avoided elasticity depression bar structure need pass the through-hole and remove the extrusion contact firing pin, the ball is reliable and stable with firing pin cooperation contact, the atress is more concentrated, the cooperation transmission is reliable, it is effectual to the location of firing pin, promote the.

2. The utility model provides a nailing gun device is through setting up the spacing hole relative with the through-hole at the limiting plate, can make the ball part expose spacing hole convenient and the contact of elasticity depression bar structure like this, is less than the ball diameter according to spacing hole diameter, can be spacing in the through-hole with the ball again to prevent that the ball from keeping away from at elasticity depression bar structure and loosening the ball outside the through-hole that slips often, play spacing installation effect, the cooperation installation is reliable.

3. The utility model provides a nailing gun device according to reset spring one end restrict in the one end of connecting rod, other end butt are in the recess hole, this kind of structure setting, the connecting rod can extrude when removing to the recess downthehole reset spring has effectively increased reset spring's compression stroke distance through the recess hole to avoid reset spring excessive compression and cause elastic fatigue and damage, promote spring life.

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 nailing gun device provided by the present invention;

FIG. 2 is an enlarged view of a portion of the nailing gun assembly of FIG. 1;

fig. 3 is a schematic view of the mounting structure of the limiting structure of the present invention;

fig. 4 is a schematic structural view of the repositioning structure of the present invention;

description of reference numerals: 1-a binding grab handle, 2-a gun head, 21-a nail punching channel, 3-a firing pin, 4-a through hole, 5-a ball, 6-an elastic pressure rod structure, 61-a pin shaft, 62-a pressure rod, 7-a limiting plate, 71-a limiting hole, 8-a reset structure, 81-a groove hole, 82-a connecting rod and 83-a reset spring.

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:

the embodiment provides as shown in fig. 1-4 a nailing gun device, including binding grab handle 1, rifle head 2 and firing pin 3, be equipped with in the rifle head 2 and run through the towards nail passageway 21 at its both ends, firing pin 3 wears to stretch in towards nail passageway 21, be provided with between binding grab handle 1 and the rifle head 2 and be used for the restriction firing pin 3 is at the positioning mechanism who dashes the removal of nail passageway, positioning mechanism is including setting up 2 side of rifle head and intercommunication towards the through-hole 4 of nail passageway, and set up ball 5 in the through-hole to rotatable support press in the elasticity depression bar structure 6 on ball 5, ball 5 is in the extrusion is blocked under the effect of elasticity depression bar structure 6 firing pin 3, the port department of through-hole 4 is provided with the restriction the limit structure that ball 5 deviates from.

The above embodiment is a core technical solution of this embodiment, a ball 5 is disposed in a through hole at a side of the gun head 2, and the elastic pressure lever structure 6 indirectly applies an extrusion acting force to the ball on the ball, that is, the ball 5 presses and contacts the striker 3 to position the striker in the striker channel, so as to prevent the striker 3 from moving to another position, by using the technical solution, the ball plays a force transfer role between the elastic pressure lever structure and the striker, so that the elastic pressure lever structure 6 only needs to abut against the ball at a port of the through hole, thereby greatly reducing an extension distance thereof, and shortening a trigger distance, thereby avoiding the elastic pressure lever structure from penetrating through the through hole to press and contact the striker, and the ball and the striker are stably and reliably contacted, and are more concentrated in stress, reliable in matching transmission, and good in positioning effect of the striker, the service performance of the product is improved.

The specific arrangement of the limiting structure is described in detail below with reference to fig. 1-3:

the limiting structure comprises a limiting plate 7 arranged on the side face of one side of the gun head 2 and a limiting hole 71 which is arranged on the limiting plate 7 and is opposite to the through hole 4, so that the ball part can be exposed out of the limiting hole to be conveniently contacted with the elastic pressure rod structure, and the ball can be limited in the through hole according to the diameter of the limiting hole 71 which is smaller than the diameter of the ball 5, so that the ball 5 is prevented from slipping out of the through hole when the elastic pressure rod structure 6 is far away from and loosened from the ball, a limiting installation effect is achieved, and the matching installation is reliable.

As an alternative mode, the limiting structure comprises an annular rib which is formed at the port of the through hole 4, the diameter of the annular rib is smaller than that of the ball 5, the ball can be stopped by the annular baffle plate and then slides out of the through hole, and the structure is simple in arrangement and reliable in limiting in matching. A person skilled in the art can select a specific structure of the limiting structure according to the above description, and details of other equivalent embodiments are not described here.

In this embodiment, the firing pin 3 is inserted into the punch pin channel from the upper end of the gun head, the lower end of the punch pin channel 21 is a pin outlet, the through hole 4 is disposed near the upper end of the gun head 2, the ball 5 is a steel ball, as shown in fig. 1-2, and the elastic pressure lever structure 6 includes: the mounting structure comprises two mounting bosses which are oppositely arranged on the binding grab handle 1 or the gun head 2, a pressure lever 62 which is rotatably connected between the two mounting bosses through a pin shaft 61, and a torsion spring which is sleeved on the pin shaft 61 and is connected with the binding grab handle and the pressure lever. With the structure, when the pressure lever 62 is pressed by external force, one end of the pressure lever can rotate a certain angle away from the direction of the ball, and the ball is not pressed and does not press and block the striker 3; and when the external force acting on the pressing rod 62 disappears, the pressing rod 62 rotates under the action of the torsion spring and is pressed against the ball 5, so that the striker is clamped by the ball extrusion.

In order to reliably realize the reset function of the striker, as shown in fig. 1, a reset structure 8 is arranged between the striker 3 and the gun head 2, and the reset structure 8 is used for driving the striker 3 to move in a direction away from the lower port of the striker channel 21 when no external force is applied to the striker 3.

The specific structural arrangement of the reset structure is explained in detail below: the reset mechanism 8 includes: a groove hole 81 formed in the gun head 2 in parallel with the punch pin channel, and a connecting rod connected between the groove hole and the firing pin, wherein one end of the connecting rod 82 is fixedly connected with the firing pin 3, and the other end of the connecting rod penetrates through the groove hole 81; still locate including the cover reset spring 83 of connecting rod 82, reset spring 83 one end limit in the one end of connecting rod 82, other end butt is in the recess hole 81, through the above-mentioned structure setting, the connecting rod can extrude when moving to the recess downthehole reset spring, through recess hole 81 has effectively increased reset spring 83's compression stroke distance, in order to avoid reset spring 83 excessively compresses and causes elasticity fatigue and damage, promotes spring life.

Further preferably, the connecting rod 82 is fixed to the top end of the striker 3 by a bolt structure and extends parallel to the striker 3, and an installation gap is formed between the connecting rod 82 and the striker 3, so that the connecting rod 82 and the striker 3 move synchronously in the same direction, and the installation gap is utilized to prevent the return elasticity installed on the connecting rod 82 from contacting with the adjacent striker, so as to maintain a safety gap, and prevent interference with normal installation and operation of the return spring.

The firing pin 3 is arranged in the nail punching channel from the upper end of the gun head and limited by the upper end opening of the nail punching channel, the lower end of the nail punching channel is a nail outlet, the through hole 4 is arranged close to the upper end of the gun head 2, and the ball 5 is a steel ball, so that the reliable contact between the ball and the firing pin can be ensured.

As shown in fig. 1, the binding handle 1 includes a binding groove 31 formed in the binding handle 1 along the length direction thereof in an extending manner, and a nail feeding clip (not shown in the drawing) disposed in the binding groove, a nail feeding port connected to the binding groove and the nail punching channel 21 is disposed on the side surface of the gun head 2, the nail feeding clip is composed of a clip, a spring and a pushing block, and after the nail feeding clip is mounted in the binding groove, a nail is fed into the nail punching channel 21 through the nail feeding hole by the nail feeding clip, so that the firing pin 3 can perform a nailing operation.

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

1. The utility model provides a nailing gun device, includes binding grab handle (1), rifle head (2) and firing pin (3), be equipped with in rifle head (2) and run through nail passageway (21) towards at its both ends, firing pin (3) wear to stretch and be in nail passageway (21) towards, be provided with between binding grab handle (1) and rifle head (2) and be used for the restriction firing pin (3) are at the positioning mechanism who removes in the nail passageway towards, its characterized in that: positioning mechanism is including setting up rifle head (2) one side and intercommunication through-hole (4) of punching the nail passageway are in with setting up ball (5) in the through-hole to and rotatable support press in elastic compression bar structure (6) on ball (5), ball (5) are in the extrusion is blocked under the effect of elastic compression bar structure (6) firing pin (3), the port department of through-hole (4) is provided with the restriction the limit structure that the ball deviates from.

2. The nailing gun assembly of claim 1, wherein: the limiting structure comprises an annular rib formed at the port of the through hole (4), and the diameter of the annular rib is smaller than that of the ball (5).

3. The nailing gun assembly of claim 1, wherein: the limiting structure comprises a limiting plate (7) arranged on the side face of one side of the gun head and a limiting hole (71) formed in the limiting plate (7) and opposite to the through hole (4), and the diameter of the limiting hole (71) is smaller than that of the ball (5).

4. A nailing gun assembly according to any of claims 1-3, wherein: the through hole (4) is close to the upper end of the gun head (2), and the ball (5) is a steel ball.

5. A nailing gun assembly according to any of claims 1-3, wherein: the elastic pressure bar structure (6) comprises: the mounting structure comprises two mounting bosses which are oppositely arranged on the binding grab handle (1) or the gun head (2), a pressure lever (62) which is rotatably connected between the two mounting bosses through a pin shaft (61), and a torsion spring which is sleeved on the pin shaft (61) and is connected with the binding grab handle and the pressure lever.

6. The nailing gun assembly of claim 1, wherein: a resetting structure (8) is arranged between the firing pin (3) and the gun head (2), and the resetting structure (8) is used for driving the firing pin (3) to move towards the direction far away from the lower port of the staple punching channel when no external force acts on the firing pin (3).

7. The nailing gun assembly of claim 6, wherein: the reset structure (8) comprises:

the groove hole (81) is formed in the gun head (2) in parallel with the punching nail channel;

one end of the connecting rod (82) is fixedly connected with the firing pin (3), and the other end of the connecting rod penetrates through the groove hole (81);

and the return spring (83) is sleeved on the connecting rod (82), one end of the return spring is limited at one end of the connecting rod (82), and the other end of the return spring abuts against the groove hole (81).

8. The nailing gun assembly of claim 7, wherein: the connecting rod (82) is fixed at the top end of the firing pin (3) through a bolt structure and extends parallel to the firing pin (3), and an installation gap is formed between the connecting rod (82) and the firing pin (3).

9. The nailing gun assembly of claim 1, wherein: the binding grab handle (1) comprises a binding groove extending along the length direction of the binding grab handle (1) and a nail feeding cartridge clip arranged in the binding groove, and a nail feeding port connected with the binding groove and the nail punching channel (21) is arranged on the side surface of the gun head.