CN112276864A - Pneumatic nailing gun and safety device thereof - Google Patents

Abstract

The invention discloses a pneumatic nailing gun and a safety device thereof, relating to the technical field of pneumatic nailing, comprising a propelling mechanism, a safety buckle, a plate handle and a snap spring, wherein the propelling mechanism comprises a top head and an elastic piece connected with the top head, the top head is used for pushing a nail, and when the nail is driven, the top head is contacted with the safety handle; one end of the safety handle is connected with the safety buckle, and the other end of the safety handle is used for being installed on one surface of the gun head facing the ejector; one end of the safety buckle is connected with the safety handle, the other end of the safety buckle is connected to the gun rack in a sliding mode, and the safety buckle is provided with a limiting hole used for clamping two ends of the clamp spring when a gun nail is completely punched. Along with the reduction of rifle nail, the elastic component extends gradually, promotes the top and is close to the rifle head, and when the rifle nail was beaten, the top supported and is located safe handle, and upward movement's power promotes safe handle rearward movement, and then promotes safe knot rearward movement, makes the both ends of the spacing hole card jump ring on the safe knot, and the motion of restriction jump ring, the trigger lock is dead.

Description

Pneumatic nailing gun and safety device thereof

Technical Field

The invention relates to the technical field of pneumatic nailing, in particular to a pneumatic nailing gun and a safety device thereof.

Background

Pneumatic nailing gun, it uses compressed air as power, utilizes the principle of strikeing the cylinder, jets out the nail with high speed, and the nailing is fast, convenient operation, has received unanimous good comment in the trade, nevertheless, because the workman can't accurately learn the nail quantity condition in the nail clamp, so, after the nail in the nail rifle was beaten, when the workman continues to use the nail rifle to carry out the action of nailing, the top was hit to the firing pin of nail rifle inside to make the life greatly reduced of top, firing pin.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention provides a pneumatic nailing gun and a safety device thereof, aiming at the technical problem that a firing pin is easy to strike a top after a nail is struck, a limit hole on a safety buckle is clamped at two ends of a clamp spring, a plate handle is locked and cannot rotate to trigger a control system, and the purpose of preventing the firing pin from striking the top is achieved.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the invention is as follows: the utility model provides a safety device for nailing gun, includes advancing mechanism, safety button, trigger and jump ring, wherein: the propelling mechanism comprises a top head and an elastic piece connected with the top head, the top head is used for pushing the gun nail, and when the gun nail is completely driven, the top head is contacted with the safety handle; one end of the safety handle is connected with the safety buckle, and the other end of the safety handle is used for being installed on one surface of the gun head facing the ejector; one end of the safety buckle is connected with the safety handle, the other end of the safety buckle is connected to the gun rack in a sliding mode, and the safety buckle is provided with a limiting hole used for clamping two ends of the clamp spring when a gun nail is completely punched; the plate handle is movably connected with the safety buckle through a clamp spring, so that the clamp spring drives the plate handle to reciprocate on the safety buckle.

Optionally, an angle at which the plug touches the safety handle is an inclination angle, the inclination angle includes a first slope surface and a second slope surface connected to the first slope surface, and an included angle between the first slope surface and the second slope surface is an obtuse angle.

Optionally, still include the pin, the one end that safe handle was kept away from to safe knot is equipped with the first hole with pin complex, the trigger is equipped with the second hole with pin complex, first hole is the bar hole.

Optionally, the safety handle comprises a handle head, a first bending part, a second bending part and a handle tail which are vertically connected in sequence, the handle head is arranged on one surface of the gun head facing the top head, and the handle tail is connected with the safety buckle.

Optionally, the safety buckle comprises two side plates and a connecting plate vertically connected with the side plates, a first hole, a limiting hole and a clamping groove are formed in the side plates and communicated with each other, the two ends of the clamping spring penetrate through the plate handle to be matched with the clamping groove, and the handle tail is connected with the connecting plate through a pin.

Optionally, one end of the second bending part, which is close to the handle tail, is provided with a limiting column, and the connecting plate is arranged between the handle tail and the limiting column.

The invention also discloses a pneumatic nailing gun, which comprises a gun head, a gun rack connected with the gun head and the safety device for the nailing gun, wherein: the other end of the safety handle is arranged on one surface of the gun head facing the ejector; the gun rack comprises a body, a firing pin and a control system, wherein the firing pin and the control system are installed on the body, the other end of the safety buckle is connected to the body in a sliding mode, and when the trigger touches the control system, the control system controls the firing pin to strike the gun nail.

Optionally, the safety handle comprises a handle head, a first bending part, a second bending part and a handle tail which are vertically connected in sequence, a spring is arranged between the handle head and the body, and two ends of the spring are respectively abutted against the body and the handle head.

Optionally, the bending device further comprises a supporting piece, one end of the supporting piece is connected with one surface of the second bending part, which is far away from the body, in a sliding manner, and the other end of the supporting piece is installed on the body.

Optionally, the support member includes first backup pad, second backup pad and the third backup pad that connects gradually, first backup pad and third backup pad are connected perpendicularly respectively at the both ends of second backup pad, the body was kept away from to one side sliding connection of third backup pad and second kink, first backup pad is fixed on the body.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

(1) the safety device for nailing gun that this application embodiment provided, the nailing in-process, along with the reduction of rifle nail, the elastic component extends gradually, it is close to the rifle head to promote the top, when the rifle nail was beaten, the top supported the safety handle that is located rifle head downside, the power of upward movement promotes safety handle rearward movement, because safety handle links to each other with the safety knot, and then promote safety knot rearward movement, make the both ends that the spacing hole on the safety knot blocked the jump ring, the motion of restriction jump ring, the plate handle locks, can't rotate trigger control system, reach the purpose that the firing pin hit the top.

(2) The safety device for nailing gun that this application embodiment provided, when the nailer only remains one, first domatic position that rises to the rifle head, the domatic and safe handle of second bump against each other and touch, ensure that the trigger is deadlocked after last nailer is beaten, avoids extravagant nailer when the protection top.

Drawings

FIG. 1 is a schematic structural view of a safety device for a nailing gun according to an embodiment of the present invention;

FIG. 2 is a schematic view of a safety handle and a safety buckle of the safety device for a nailing gun according to the embodiment of the present invention;

FIG. 3 is a schematic view showing a safety handle of the safety device for a nailing gun according to the embodiment of the present invention;

FIG. 4 is a schematic structural view of a safety buckle of the safety device for a nailing gun according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of a clamp spring of the safety device for a nailing gun according to an embodiment of the present invention;

FIG. 6 is a schematic view of the overall structure of the pneumatic nailing gun according to the embodiment of the present invention;

FIG. 7 is a cross-sectional view of a pneumatic nailer in accordance with an embodiment of the present invention;

fig. 8 is a schematic structural view of a support plate of the pneumatic nailing gun according to the embodiment of the present invention.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.

Example 1

With reference to fig. 1-8, the safety device for nailing gun of the present embodiment comprises a pushing mechanism 3, a safety buckle 5, a handle 6 and a clamp spring 7, wherein: the propelling mechanism 3 comprises a top head 31 and an elastic piece 32 connected with the top head 31, wherein the top head 31 is used for propelling the gun nail, and when the gun nail is driven, the top head 31 is contacted with the safety handle 4; one end of the safety handle 4 is connected with the safety buckle 5, and the other end of the safety handle is arranged on one surface of the gun head 1 facing the ejector 31; one end of the safety buckle 5 is connected with the safety handle 4, the other end of the safety buckle is connected to the gun rack 2 in a sliding mode, and the safety buckle 5 is provided with a limiting hole 51 for clamping two ends of the clamp spring 7 when a gun nail is completely punched; the plate handle 6 is movably connected with the safety buckle 5 through a clamp spring 7, so that the clamp spring 7 drives the plate handle 6 to reciprocate on the safety buckle 5. The pneumatic nailing gun drives the plate handle 6 to do reciprocating motion in the safety buckle 5 through the snap spring 7, and the trigger control system 23 enables the firing pin 22 to strike the nail to finish nailing. The rifle nail is installed between top 31 and rifle head 1, make elastic component 32 receive the compression, the nailing in-process, along with the reduction of rifle nail, elastic component 32 extends gradually, it is close to rifle head 1 to promote top 31, when the rifle nail was beaten, top 31 supports safety handle 4 that is located the rifle head downside, upward movement's power promotes safety handle 4 rearward movement, because safety handle 4 links to each other with safety buckle 5, and then promote safety buckle 5 rearward movement, make spacing hole 51 on the safety buckle 5 block the both ends of jump ring 7, the motion of restriction jump ring 7, plate handle 6 locks, can't rotate trigger control system 23, reach the purpose that prevents the firing pin and hit top 31.

Example 2

With reference to fig. 1 to 8, the safety device for a nailing gun of the present embodiment can be improved as follows, compared with the technical solution of embodiment 1: an angle at which the plug 31 and the safety handle 4 are in contact with each other is an inclination angle, the inclination angle includes a first slope surface 31 and a second slope surface 312 connected to the first slope surface 311, and an included angle between the first slope surface 311 and the second slope surface 312 is an obtuse angle. When only one gun nail is left, the first slope 311 rises to the position of the gun head 1, and the second slope 312 is in contact with the safety handle 4, so that the trigger 6 is locked after the last gun nail is driven, and the gun nail is prevented from being wasted while the top 311 is protected.

Example 3

With reference to fig. 1 to 8, the safety device for a nailing gun of the present embodiment can be improved as follows, compared with the technical solutions of embodiment 1 or 2: still include pin 8, the one end that safe handle 4 was kept away from to safe knot 5 is equipped with the first hole 53 with pin 8 complex, trigger 6 is equipped with the second hole 61 with pin 8 complex, first hole 53 is the bar hole. The pin 8 passes through the first hole 53 and the second hole 61 to install the safety buckle 5 and the plate handle 6 on the gun rack 2 together, so that one end of the plate handle 6 is fixed relative to the safety buckle 5, and the other end of the plate handle rotates in the safety buckle 5 under the driving of the snap spring 7 to finish the nailing action. The setting in bar hole makes safety catch 5 and 2 sliding connection of stack, and when top 31 promoted safety handle 4 rearward movement, safety handle can promote safety catch 5 rearward movement to make spacing hole 51 on the safety catch 5 block the both ends of jump ring 7, restriction jump ring 7's motion.

Example 4

With reference to fig. 1 to 8, the safety device for a nailing gun of the present embodiment can be improved as follows, compared with any of the embodiments 1 to 3: the safety handle 4 comprises a handle head 41, a first bent part 42, a second bent part 43 and a handle tail 44 which are vertically connected in sequence, the handle head 41 is arranged on one surface of the gun head 1 facing the top head 31, and the handle tail 44 is connected with the safety buckle 5. When the gun nail is about to be driven, the top head 31 abuts against the crown 41 and pushes the crown 41 to move backwards, and then the tail 44 of the handle pushes the safety buckle 5 to move backwards, so that the limiting holes 51 on the safety buckle 5 clamp two ends of the clamp spring 7 to limit the motion of the clamp spring 7, the plate handle 6 is locked and cannot rotate to trigger the control system, and the aim of preventing the firing pin from striking the gun head 1 is fulfilled.

Example 5

With reference to fig. 1 to 8, the safety device for a nailing gun of the present embodiment can be improved as follows, compared with any of the technical solutions of embodiments 1 to 4: the safety buckle 5 comprises two side plates 54 and a connecting plate 55 vertically connected with the side plates 54, a first hole 53, a limiting hole 51 and a clamping groove 52 are formed in the side plates 54, the limiting hole 51 is communicated with the clamping groove 52, two ends of the clamp spring 7 penetrate through the plate handle 6 to be matched with the clamping groove 52, and the handle tail 44 is connected with the connecting plate 55 through a pin 8. Two side plates 54 are arranged on the robber frame through pins 8, and a connecting plate 55 is arranged on the handle tail 44 through the pins 8, so that the position of the safety buckle 5 is fixed.

Example 6

With reference to fig. 1 to 8, the safety device for a nailing gun of the present embodiment can be improved as follows, compared with any of the embodiments 1 to 5: one end of the second bending part 43 close to the handle tail 44 is provided with a limiting column 45, and the connecting plate 55 is arranged between the handle tail 44 and the limiting column 45. A groove is formed between the limiting column 45 and the handle tail 44, the connecting plate 55 is clamped in the groove, the position of the connecting plate 55 is further fixed, and the handle tail 44 is ensured to push the safety buckle 5 to move.

Example 7

With reference to fig. 1 to 8, the pneumatic nailing gun of the present embodiment can be improved as follows compared with any of the technical solutions of embodiments 1 to 6: including rifle head 1, with rifle rack 2 and embodiment 1 ~ 6 any technical scheme the safety device for nailing gun of rifle that rifle head 1 is connected, wherein: the other end of the safety handle 4 is arranged on one surface of the gun head 1 facing the top head 31; the gun rack 2 comprises a body 21, a firing pin 22 and a control system 23, wherein the firing pin 22 and the control system 23 are mounted on the body 21, the other end of the safety buckle 5 is connected to the body 21 in a sliding mode, and when the trigger 6 touches the control system 23, the control system 23 controls the firing pin 22 to strike a gun nail. The pneumatic nailing gun drives the plate handle 6 to do reciprocating motion in the safety buckle 5 through the snap spring 7, and the trigger control system 23 enables the firing pin 22 to strike the nail to finish nailing. The rifle nail is installed between top 31 and rifle head, make elastic component 32 receive the compression, the nailing in-process, along with the reduction of rifle nail, elastic component 32 extends gradually, it is close to rifle head 1 to promote top 31, when the rifle nail was beaten, top 31 supports safety handle 4 that is located rifle head downside, upward movement's power promotes safety handle 4 rearward movement, because safety handle 4 links to each other with safety buckle 5, and then promote safety buckle 5 rearward movement, make spacing hole 51 on the safety buckle 5 block the both ends of jump ring 7, the motion of restriction jump ring 7, plate handle 6 locks, can't rotate trigger control system 23, reach the mesh that prevents the firing pin and hit top 31, plate handle 6 trigger control system 23 under no rifle nail state has also been avoided simultaneously, practice thrift the air supply. The position that 21 is close to rifle head 1 in this body installs the blotter, and when the rifle nail was beaten, firing pin 22 hit and hit the top 31, the blotter received great impact, influences life, and the blotter has also been avoided receiving impact, increase of service life with safety device's for the nailing gun design.

Example 8

With reference to fig. 1-8, the pneumatic nailing gun of the present embodiment can be improved as follows compared with the technical solution of embodiment 7: the safety handle 4 comprises a handle head 41, a first bending part 42, a second bending part 43 and a handle tail 44 which are vertically connected in sequence, a spring 411 is arranged between the handle head 41 and the body 21, and two ends of the spring 411 respectively abut against the body 21 and the handle head 41. When the nailing gun is completely driven, the top head 31 rises to abut against the handle head 41 to move backwards, the spring 411 is compressed, the nailing gun is reloaded, the top head 31 descends, the spring 411 extends to push the handle head 41 to reset, the trigger 6 is unlocked, and the pneumatic nailing gun continues to work.

Example 9

With reference to fig. 1 to 8, the pneumatic nailing gun of the present embodiment can be improved as follows compared with the technical solutions of embodiments 7 or 8: the foldable bicycle further comprises a supporting piece 9, one end of the supporting piece 9 is connected with one surface, far away from the body 21, of the second bending part 43 in a sliding mode, and the other end of the supporting piece 9 is installed on the body 21. The support 9 prevents the safety handle 4 from sagging under the action of gravity, and avoids the effect of the contact between the plug 31 and the crown 41 due to sagging.

Example 10

With reference to fig. 1 to 8, the pneumatic nailing gun of the present embodiment can be improved as follows compared with any of the embodiments 7 to 9: support member 9 is including the first backup pad 91, second backup pad 92 and the third backup pad 93 that connect gradually, first backup pad 91 and third backup pad 93 are connected perpendicularly respectively to the both ends of second backup pad 92, the one side sliding connection of body 21 is kept away from with second kink 43 to third backup pad 93, first backup pad 91 is fixed on body 21. Third support plate 93 supports in the bottom of second kink 43, and first support plate 91 is with second support plate 92 and third support plate 93 fixed mounting on body 21, prevents that safety handle 4 from taking place flagging under the effect of gravity, avoids influencing the effect of touching of top 31 and crown 41 because of flagging.

The pneumatic nailing gun drives the plate handle 6 to reciprocate in the clamping groove 52 of the safety buckle 5 through the clamp spring 7, and the trigger control system 23 enables the firing pin 22 to strike the nail to finish nailing. The rifle nail is installed between top 31 and rifle head, make elastic component 32 receive the compression, the nailing in-process, along with the reduction of rifle nail, elastic component 32 extends gradually, it is close to rifle head 1 to promote top 31, when the rifle nail was beaten, top 31 supports the crown 41 that is located rifle head downside, upward movement's power promotes crown 41 rearward movement, crown 41 drives the motion of handle tail 44 through first kink 42 and second kink 43, because handle tail 44 links to each other with safety catch 5, and then promote safety catch 5 rearward movement, make spacing hole 51 on the safety catch 5 block the both ends of jump ring 7, the motion of restriction jump ring 7, plate handle 6 deadlocks, unable rotation trigger control system, reach the mesh that prevents the firing pin from hitting top 31.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims (10)

1. The utility model provides a safety device for nailing gun which characterized in that, includes advancing mechanism, safe knot, trigger and jump ring, wherein:

the propelling mechanism comprises a top head and an elastic piece connected with the top head, the top head is used for pushing the gun nail, and when the gun nail is completely driven, the top head is contacted with the safety handle;

one end of the safety handle is connected with the safety buckle, and the other end of the safety handle is used for being installed on one surface of the gun head facing the ejector;

one end of the safety buckle is connected with the safety handle, the other end of the safety buckle is connected to the gun rack in a sliding mode, and the safety buckle is provided with a limiting hole used for clamping two ends of the clamp spring when a gun nail is completely punched; the plate handle is movably connected with the safety buckle through a clamp spring, so that the clamp spring drives the plate handle to reciprocate on the safety buckle.

2. The safety device of claim 1, wherein an angle between the nose and the safety handle is an inclination angle, the inclination angle includes a first slope surface and a second slope surface connected to the first slope surface, and an included angle between the first slope surface and the second slope surface is an obtuse angle.

3. The safety device of claim 1, further comprising a pin, wherein a first hole engaged with the pin is formed at an end of the safety buckle remote from the safety handle, a second hole engaged with the pin is formed at the handle, and the first hole is a bar-shaped hole.

4. The safety device for a nailing gun according to claim 3, wherein the safety handle comprises a crown, a first bent portion, a second bent portion and a tail, which are vertically connected in sequence, the crown is disposed on a face of the gun head facing the top, and the tail is connected to the safety catch.

5. The safety device for the nailing gun according to claim 4, wherein the safety catch comprises two side plates and a connecting plate vertically connected with the side plates, the side plates are provided with a first hole, a limiting hole and a clamping groove, the limiting hole is communicated with the clamping groove, two ends of the clamping spring penetrate through the plate handle to be matched with the clamping groove, and the handle tail is connected with the connecting plate through a pin.

6. The safety device for a nailing gun according to claim 5, wherein a stopper post is provided at an end of the second bent portion adjacent to the shank tail, and the connecting plate is provided between the shank tail and the stopper post.

7. A pneumatic nailing gun comprising a gun head, a gun frame connected to the gun head, and the safety device for a nailing gun according to any one of claims 1 to 6, wherein:

the other end of the safety handle is arranged on one surface of the gun head facing the ejector;

the gun rack comprises a body, a firing pin and a control system, wherein the firing pin and the control system are installed on the body, the other end of the safety buckle is connected to the body in a sliding mode, and when the trigger touches the control system, the control system controls the firing pin to strike the gun nail.

8. The pneumatic nailing gun of claim 7, wherein the safety handle comprises a handle head, a first bending part, a second bending part and a handle tail which are vertically connected in sequence, a spring is arranged between the handle head and the body, and two ends of the spring respectively abut against the body and the handle head.

9. The pneumatic nailing gun of claim 8, further comprising a support member, wherein one end of the support member is slidably connected to the surface of the second bending portion away from the body, and the other end of the support member is mounted on the body.

10. The pneumatic nailing gun of claim 9, wherein the supporting member comprises a first supporting plate, a second supporting plate and a third supporting plate which are sequentially connected, two ends of the second supporting plate are respectively and vertically connected with the first supporting plate and the third supporting plate, the third supporting plate is slidably connected with one surface of the second bending part far away from the main body, and the first supporting plate is fixed on the main body.

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