CN212653394U

CN212653394U - Manual nailing gun with automatic blocking and resetting hammering rod

Info

Publication number: CN212653394U
Application number: CN202021029723.1U
Authority: CN
Inventors: 陈万; 陈翔
Original assignee: Shanghai Tusi Industrial Co ltd
Current assignee: Shanghai Tusi Industrial Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-03-05
Anticipated expiration: 2030-06-08

Abstract

The utility model relates to a manual nailing gun with automatic blocking and resetting of a hammering rod, a hammering nail channel is arranged in a gun head shell of the nailing gun head and is communicated with a steel nail discharge port of a nail storage box, the lower part of the hammering rod is arranged in the hammering nail channel, a reset spring is sleeved outside the hammering rod extending out of the gun head shell, one side of the lower part of the hammering rod is provided with a positioning groove which is matched with a positioning convex strip arranged on the upper part of the hammering rod channel for guiding and positioning, the other side of the lower part of the hammering rod is provided with a hammering rod resetting groove and locking strip teeth, one side of the upper part of the hammering rod channel is provided with a locking device corresponding to the hammering rod resetting groove and the locking strip teeth on the lower part of the hammering rod, a locking tongue in the locking device is arranged in a movable groove of the locking device in the gun head shell through a pin shaft screw and a torsional spring, a positioning chuck on the locking tongue is meshed with the locking, realize the screens of hammering the pole to and reset recess cooperation with hammering the pole, remove the screens of hammering the pole.

Description

Manual nailing gun with automatic blocking and resetting hammering rod

Technical Field

The utility model relates to a nailing instrument, especially a manual nailing device.

Background

In the construction process of building decoration, water and electricity installation and the like, nailing and fixing are generally used. The prior art mainly uses manual nail holding to fix the nail. At present, fixed pneumatic nailer and the manual nailer of mainly adopting of nailing on the market, this scheme mainly relates to manual nailer. After a nail is nailed by the manual nailing gun, the hammering rod of the internal nailing can not automatically rebound, the head of the hammering rod needs to be pulled by a hammer or a hand, and the hammering action of the next nail can be carried out after the hammering rod is reset. In the operation process, the hammer rod is additionally hooked, so that the working efficiency is low.

For this reason, a manual nailing machine is disclosed in a utility model patent publication No. cn206154232.u, filed 2016, 11, 08, and the following features are disclosed in the structure of this manual nailing machine: the rifle head is installed the screens subassembly, comprises support, location handle, torsional spring and round pin axle. The support, the positioning handle and the torsion spring are connected in series through a pin shaft to form a rotatable clamping assembly, the clamping assembly is mounted on the gun head, the square hole of the support is aligned with the square hole of the gun head to form a channel, and the positioning tongue on the positioning handle penetrates through the channel to clamp the striker under the action of the torsion spring. The positioning handle is pressed in a point mode, the positioning tongue on the positioning handle leaves the firing pin, the firing pin retreats under the action of the reset spring, and the firing pin is limited and stopped when the firing pin retreat stopping table runs to the gun cover retreat stopping boss, so that the aim of resetting is fulfilled.

The two embodiments of this patent have the following disadvantages: firstly, the embodiment of the firing pin resetting device adopts a pressing and pressing handle to reset the firing pin, and although the scheme improves the defect of manually pulling the firing pin to a certain extent, the automation degree is still not high, and the working efficiency is not enough. And secondly, the firing pin is clamped by the positioning tongue on the positioning handle under the action of the torsion spring, the firing pin continuously rubs against the positioning tongue in the nailing process, and the positioning tongue is shortened after long-time use, so that the action of clamping the firing pin is lost. And thirdly, the firing pin is provided with a firing pin stopping boss, so that the diameter of the firing pin is reduced, and the firing pin is easy to break in actual operation.

Disclosure of Invention

The utility model discloses the technical problem that needs solve lies in the unable automatic re-setting's of firing pin of manual nailing gun among the prior art problem to and fix a position the tongue failure in the long-term use, firing pin breakdown scheduling problem, and provide a hammering pole automatic screens and automatic re-setting's manual nailing gun.

In order to realize the purpose, the utility model adopts the technical scheme that: a manual nailing gun with a hammering rod capable of being automatically clamped and reset comprises a nailing gun handle, a nail storage box and a nailing gun head, wherein the nailing gun handle is arranged at the upper part of the nail storage box; one side of the hammering rod is provided with a positioning groove and is matched, guided, positioned and connected with a positioning convex strip arranged at the upper part of the hammer nail channel through the positioning groove, and the other side of the hammering rod is sequentially provided with a hammering rod reset groove, a locking strip tooth and a locking tongue reset groove from top to bottom; the hammer driving rod locking device is characterized in that a hammer driving rod reset groove and a locking device with locking strip teeth, which correspond to the lower portion of the hammer driving rod, are arranged on one side of the upper portion of the hammer nail channel, a locking tongue in the locking device is installed in a movable groove of the locking device in the gun head shell through a pin shaft screw and a torsion spring, the locking tongue can rotate around the pin shaft screw, a positioning chuck on the locking tongue is meshed with the locking strip teeth on the lower portion of the hammer driving rod, the clamping position of the hammer driving rod is achieved, and the locking chuck is matched with the hammer driving rod reset groove to release the clamping position of the hammer driving rod.

Furthermore, the nailing gun head is formed by combining a gun head cover plate and a gun head bottom plate.

Further, a movable groove of a locking device is arranged in the gun head bottom plate.

Furthermore, a torsion spring groove for installing a torsion spring and a screw hole for fixing a screw are arranged in the movable groove.

Furthermore, the positioning boss is arranged at the upper part of the hammer nail channel in the gun head base plate and is matched with the positioning groove on the hammering rod, so that the hammering rod is prevented from being separated from the hammer nail channel.

Furthermore, the front end of the pin shaft screw is fixed on the gun head base plate, and the middle part of the pin shaft screw penetrates through the locking tongue to form the pin shaft.

Furthermore, a round hole for a screw to pass through and a torsion spring groove for installing a torsion spring are arranged on the locking tongue.

Furthermore, one end of the torsion spring is pressed in a torsion spring groove of the gun head bottom plate, the other end of the torsion spring is pressed in a torsion spring groove in the dead bolt, and the locking bolt is fixed in a movable groove on the gun head bottom plate through a screw hole by the pin shaft screw.

The utility model has the advantages that: the utility model has the advantages of practicality, low in production cost, simple structure uses comfortable, high-efficient, degree of automation is high, and is indefatigable, great improvement work efficiency, reduced artifical use cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a gun head cover plate of the present invention;

fig. 3 is a schematic structural view of a gun head bottom plate of the present invention;

FIG. 4 is a schematic view of the hammering rod of the present invention;

fig. 5 is a schematic structural view of the return spring of the present invention;

fig. 6 is a schematic structural view of the locking device of the present invention;

fig. 7 is a schematic view of the locking device of the present invention;

FIG. 8 is a schematic view of the working process of the locking device of the present invention;

in the figure: the nailing machine comprises a nailing machine handle 1, a nail storage box 2, a hammering rod 3, a hammering rod cap 31, a positioning groove 32, a hammering rod reset groove 33, a locking strip tooth 34, a locking tongue reset groove 35, a reset spring 4, a nailing machine head 5, a machine head cover plate 51, a machine head bottom plate 52, a nailing channel 6, a positioning convex strip 61, a locking device 7, a bottom plate torsional spring groove 71, a screw hole 72, a torsion spring 73, a locking tongue torsional spring groove 74, a locking tongue 75, a locking tongue positioning chuck 75-1, a pin shaft screw 76 and a steel nail 8.

Detailed Description

The present invention will be further explained in detail with reference to the accompanying drawings and specific embodiments;

as shown in fig. 1 to 7, a manual nailing gun with a hammering bar automatically locked and reset comprises a nailing gun handle 1, a nail storage box 2, a nailing gun head 5, a hammering bar 3 and a reset spring 4. The nailing gun handle 1 is arranged at the upper part of the nail storage box 2, and the nailing gun head 5 is arranged on the front end surface of the nail storage box 1. The nailing gun head 5 includes a head cover plate 51, a head base plate 52, a locking device 7, a hammer nail passage 6, and a positioning boss 61. A movable groove 77 of a locking device is arranged in one side of the upper part of the gun head bottom plate 52, the locking device 7 is arranged in the movable groove 77, the hammering rod 3 is arranged in a hammering channel 6 formed between the gun head cover plate 51 and the gun head bottom plate 52, the reset spring 4 is sleeved outside the hammering rod 3, and the two ends of the reset spring are respectively arranged between the head of the hammering rod 3 and the upper end face of the gun head 5 of the nailing gun.

The upper part of the hammer channel 6 of the gun head bottom plate 52 is provided with a positioning convex strip 61 which is matched with the positioning groove 32 on the hammering rod 3, so that the hammering rod 3 is prevented from falling out of the hammer channel 6. The hammering rod 3 is provided with a locking bar tooth 34 and a locking tongue reset groove 35 which are matched with the reset groove 33 and the locking tongue 75 from top to bottom in sequence.

The locking device is composed of a locking tongue 75, a pin shaft screw 76, a torsion spring 73, a bottom plate torsion spring groove 71, a locking tongue torsion spring groove 74, a reset groove 33 on the hammering rod and locking rack teeth 34. One end of the torsion spring 73 is pressed in the bottom plate torsion spring groove 71 of the gun head bottom plate 52, the other end is pressed in the locking tongue torsion spring groove 74 in the locking tongue 75, and the locking tongue 75 is fixed in the movable groove 77 of the locking device through the screw hole 72 by the pin shaft screw 76. The locking tongue 75 and the torsion spring 73 are connected in series by a pin bolt 76 to form a rotatable locking device. The locking tongue positioning cartridge 75-1 passes through the hammer pin channel 6.

A torsion spring groove 71 for mounting the torsion spring 73 and a screw hole 72 for fixing the screw 76 are provided in the movable groove 77 of the locking device. The screw 76 is a screw with a pin shaft function, the front end of the screw is fixed on the gun head bottom plate 52, and the middle part of the screw passes through the locking tongue 75 to form a pin shaft. The locking tongue 75 is provided with a circular hole for passing the screw 76 and a torsion spring groove 74 for mounting the torsion spring 73.

The utility model discloses an operating principle, as shown in fig. 8, the steel nail 8 that accords with the specification is packed into in storing up nail box 2, steel nail 8 is under the effect of storing up nail box ejector pin ware, in the hammer nail passageway 6 that forms with the rifle lid at the bottom of the first steel nail pushed into the rifle, beat hammering rod cap 31 with the hammer this moment, hammering rod 3 moves down along hammering nail passageway 6, location dop 75-1 on the locking tongue receives the downward thrust of hammering rod 3, also rotate forward, but it receives torsional spring 73's reaction force, upwards pull back, carry out the interlock promptly at hammering rod bar tooth 34, reach the screens effect. When the steel nail 8 is pushed out of the nail channel 6 under the thrust action of the hammering rod 3, the positioning clamp 75-1 on the locking tongue moves to the reset groove 33 along the bar-shaped teeth 34 of the hammering rod, the hammering rod 3 loses the engagement of the bar-shaped teeth 34 and the positioning clamp 75-1, and retreats under the action of the reset spring 4, and the positioning groove 32 on the hammering rod 3 retreats to the position of the gun head bottom plate positioning convex strip 61, namely, is stopped moving upwards by the clamping position, so that the reset action is achieved. A second nail is pushed into the hammer nail passage 6 at the same time as the first nail driving is completed.

The utility model discloses a storage nail box ejector pin ware be prior art, the utility model discloses an innovation point lies in manual nailing gun part, and manual nailing gun part has automatic screens of hammering pole and automatic re-setting function.

The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, changes, modifications, substitutions and variations of the embodiments can be made without departing from the spirit and the principle of the present invention.

Claims

1. The utility model provides a manual nailing gun of automatic screens of hammering pole and automatic re-setting, includes the nailing gun handle, stores up nail box, nailing rifle head, the nailing gun handle is installed on the upper portion of storing up the nail box, the front end at storing up the nail box is installed to the nailing rifle head, its characterized in that: the nailing gun head is provided with a gun head shell and a hammering rod, a hammering channel is arranged in the gun head shell, the hammering channel is communicated with a steel nail discharge port of a nail storage box, the lower part of the hammering rod is arranged in the hammering channel, a resetting spring is sleeved outside the hammering rod extending out of the gun head shell, and two ends of the resetting spring are respectively connected with the head part of the hammering rod and the upper end surface of the nailing gun head; one side of the hammering rod is provided with a positioning groove and is matched, guided, positioned and connected with a positioning convex strip arranged at the upper part of the hammer nail channel through the positioning groove, and the other side of the hammering rod is sequentially provided with a hammering rod reset groove, a locking strip tooth and a locking tongue reset groove from top to bottom; the hammer driving rod locking device is characterized in that a hammer driving rod reset groove and a locking device with locking strip teeth, which correspond to the lower portion of the hammer driving rod, are arranged on one side of the upper portion of the hammer nail channel, a locking tongue in the locking device is installed in a movable groove of the locking device in the gun head shell through a pin shaft screw and a torsion spring, the locking tongue can rotate around the pin shaft screw, a positioning chuck on the locking tongue is meshed with the locking strip teeth on the lower portion of the hammer driving rod, the clamping position of the hammer driving rod is achieved, and the locking chuck is matched with the hammer driving rod reset groove to release the clamping position of the hammer driving rod.

2. The automatic blocking and automatic resetting manual nailing gun of the hammering bar according to claim 1, wherein: the nailing gun head is formed by combining a gun head cover plate and a gun head bottom plate.

3. The automatic blocking and automatic resetting manual nailing gun of claim 2, wherein: and a movable groove of the locking device is arranged in the gun head bottom plate.

4. The automatic blocking and automatic resetting manual nailing gun of claim 3, wherein: and a torsion spring groove for mounting a torsion spring and a screw hole for fixing a screw are arranged in the movable groove.

5. The automatic blocking and automatic resetting manual nailing gun of claim 2, wherein: the positioning convex strip is arranged on the upper part of the hammer nail channel in the gun head bottom plate and is matched with the positioning groove on the hammering rod, so that the hammering rod is prevented from being separated from the hammer nail channel.

6. The automatic blocking and automatic resetting manual nailing gun of claim 2, wherein: the front end of the pin shaft screw is fixed on the gun head base plate, and the middle part of the pin shaft screw penetrates through the locking tongue to form the pin shaft.

7. The automatic blocking and automatic resetting manual nailing gun of the hammering bar according to claim 1, wherein: and the locking tongue is provided with a round hole for a screw to pass through and a torsion spring groove for installing a torsion spring.

8. The automatic blocking and automatic resetting manual nailing gun of the hammering bar according to claim 1, wherein: one end of the torsion spring is pressed in a torsion spring groove of the gun head bottom plate, the other end of the torsion spring is pressed in a torsion spring groove in the dead bolt, and the locking bolt is fixed in a movable groove on the gun head bottom plate through a screw hole by the pin shaft screw.