CN216299200U

CN216299200U - Electric arc nail gun

Info

Publication number: CN216299200U
Application number: CN202121626678.2U
Authority: CN
Inventors: 茹友顺; 管建芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-04-15
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses an electric arc nail gun, which at least comprises a shell component, a battery, a contact switch and a nail, wherein the battery is movably arranged in the shell component, one end of the battery is elastically connected with a driving piece, the driving piece can move in the shell component, the contact switch is abutted against a resetting piece, the resetting piece stretches in an initial state, the battery and the contact switch are far away from each other, external force is applied on the driving piece to push the battery to move so as to contact the contact switch, the resetting piece is compressed against the contact switch, and the contact switch moves to trigger the nail shooting. According to the utility model, by utilizing the idle stroke between the battery and the contact switch and the idle stroke between the contact switch and the shooting nail, the explosion of the shooting nail can not be caused at will even if misoperation occurs, and the safety performance is higher; the closed design of the cartridge case at the end part of the shooting nail ensures that the shooting nail and the ammunition can be packed and transported together without being separately packed and transported, thereby ensuring the effective detonation of the shooting nail ammunition and reducing the defective rate; the service life is long.

Description

Electric arc nail gun

Technical Field

The utility model belongs to the field of equipment for decoration, and particularly relates to an electric arc nail gun.

Background

At present, the most common mounting means of suspended ceiling is a fixed vertical suspended ceiling screw rod at the set position of the suspended ceiling, and then a certain mounting structure is mounted at the bottom of the suspended ceiling screw rod, and plates are mounted on the mounting structure to complete the mounting of the whole suspended ceiling. To ceiling furred ceiling installation effectiveness influence the biggest be with the fixed process on roof ceiling of furred ceiling lead screw, adopt inflation screw cooperation sleeve pipe and awl cap to fix on roof ceiling usually, during the installation, need utilize ladder climbing to the roof below by operating personnel earlier, utilize specialized tool to drill out the embedded hole of inflation screw on roof ceiling, it is downthehole to recycle specialized tool to squeeze into the embedded hole with the inflation screw, installs the furred ceiling lead screw afterwards. And similar installation modes are adopted for fixing a fire-fighting pipeline, a ventilation pipeline, a downpipe and the like.

In order to avoid false triggering of existing nail guns, the nail and the ammunition to be mounted at the end of the nail are usually packaged and transported separately, increasing packaging costs. In addition, the nail gun is likely to be triggered by mistake during operation, and the safety performance is not high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the electric arc nail gun which can effectively prevent false triggering and has a simple assembly structure.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an electric arc power actuated setting device, includes shell subassembly, battery, contact switch at least, and penetrates the nail, the battery activity is located in the shell subassembly, its one end and driving piece elastic connection, and this driving piece can move in the shell subassembly, contact switch offsets with the piece that resets, and the piece that resets extends under the initial condition, just battery and contact switch keep away from each other, exert external force on the driving piece, promote the battery and remove with contact switch to reset the piece against the compression of contact switch, contact switch removes the trigger nail that penetrates.

The utility model utilizes the idle stroke between the battery and the contact switch and the idle stroke between the contact switch and the shooting nail, so that the explosion of the shooting nail can not be caused at will even if misoperation occurs, and the safety performance is higher.

Furthermore, an elastic piece is connected between the battery and the driving piece, and the pushing force for compressing the elastic piece is smaller than the pushing force for compressing the resetting piece. The power required by driving the battery to move is slightly smaller, and after the battery triggers the contact switch, a larger force needs to be applied to push the battery and the contact switch to move synchronously, so that the safety performance is higher.

Furthermore, the tip of penetrating the nail is equipped with the cartridge case that is used for holding the ail shooter, and the tip of this cartridge case is sealed, and forms the part of easily splitting, the tip of contact switch forms the protruding portion that can disclose the part of easily splitting. Penetrate nail tip cartridge case and seal the design for penetrating nail and ammunition can pack the transportation together, need not separately pack and transport, the cartridge case seals moreover and plays good dampproofing damp proof effect, guarantees effectively detonating of penetrating nail bullet, and the defective percentage reduces.

Furthermore, the end part of the medicine containing barrel is detachably connected with a cover body, the cover body is closed, the easy-to-crack parts are a plurality of seam bodies which take the center of the cover body as the center of a circle and radiate outwards along the radial direction, and the wall thickness of the positions of the seam bodies is smaller than that of other areas of the cover body. The lid and the cartridge can be dismantled and be connected, be convenient for processing and assembly between them.

Furthermore, the easy-to-crack part is in a cross shape, or in a Chinese character 'mi' shape, or in a snowflake shape. The structural design of the easy-to-break part enables the center of the easy-to-break part to be easily broken by the contact switch, and the easy-to-break part cracks around after being broken by the contact switch, so that effective detonation of the nail shooting bomb is guaranteed.

Furthermore, the contact switch comprises a shelling rod, an insulating part arranged in the end part of the shelling rod, a firing electrode, a ceramic insulating plug matched and connected with the insulating part, and an outer cover sleeved on the outer side of the end part of the shelling rod, wherein a hollow channel for a circuit to pass through is formed in the center of the shelling rod, a buffer cushion is arranged on the inner bottom surface of the insulating part, and the convex part is arranged on the outer cover. The contact switch solves the problems of high temperature, high pressure and high voltage faced by the electric arc nail gun, and has the advantages of ten thousand times of high-pressure impact resistance tests, long service life and safe and effective structure.

Further, shell subassembly includes the shell body, connects the first casing at shell body tip, locates the insulating cover between first casing and the contact switch, locates the battery cover in the shell body, and locates the battery insulation seat between battery cover and the battery, the tip of battery insulation seat forms the fender edge that prevents the battery and break away from. The design of the shell component is convenient for the assembly and the connection of the whole structure, and the safety performance is ensured.

Furthermore, the insulating sleeve is provided with a first hollow channel, a step surface is formed in the first hollow channel, the contact switch is inserted into the first hollow channel, one end of the reset piece abuts against the contact switch, and the other end of the reset piece abuts against the step surface. The design of the step surface prevents the contact switch from being separated.

Furthermore, the central axis of the battery contact and the central axis of the contact switch are positioned on the same straight line. Guarantee effective triggering between battery and the contact switch, it also keeps unanimous with the axis that penetrates the nail simultaneously for easy-to-split portion can be poked brokenly and trigger.

Furthermore, the shell assembly comprises an end cover arranged at the end part of the shell body, the end cover forms an opening for the connecting rod to extend into, and a limiting groove capable of radially limiting the connecting rod is arranged on the driving piece. The limiting groove can limit the connecting rod, and the connecting rod can stably push the driving piece.

The utility model has the beneficial effects that: by utilizing the idle stroke between the battery and the contact switch and the idle stroke between the contact switch and the shooting nail, the shooting nail cannot be exploded randomly even if misoperation occurs, and the safety performance is higher; the closed design of the cartridge case at the end part of the shooting nail ensures that the shooting nail and the ammunition can be packed and transported together without being separately packed and transported, and the closed cartridge case has good moisture-proof and moisture-proof effects, thereby ensuring the effective detonation of the shooting nail ammunition and reducing the defective rate; the service life is long.

Drawings

Fig. 1 is a partial structural sectional view of the present invention.

Fig. 2 is a perspective view of the nail of the present invention.

FIG. 3 is a top view of the nailing tip cap of the present invention.

Fig. 4 is a schematic structural view of the contact switch of the present invention.

Fig. 5 is an exploded view of the contact switch of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, an electric arc nail gun includes at least a housing assembly 1, a battery 2, a contact switch 3, and a nail 4. The battery 2 is movably arranged in the shell component 1, one end of the battery is elastically connected with the driving piece 6, and the driving piece 6 can move in the shell component 1; the contact switch 3 abuts against the reset element 5.

In the initial state, the reset element 5 is in an extended state, and the battery 2 and the contact switch 3 are far away from each other, i.e. there is no contact but a certain distance between them, and the contact switch 3 and the shoot bolt 4 are not in contact. When an external force is applied to the driving member 6, pushing the battery 2 to move until it contacts the contact switch 3 and compressing the reset member 5 against the contact switch 3, the contact switch 3 moves to trigger the firing pin 4. In the present embodiment, the contact switch 3 is an arc generating device for generating a high voltage to detonate the shoot bolt 4.

An elastic member 7 is connected between the battery 2 and the driving member 6, and in order to prevent the battery 2 from moving toward the contact switch 3 due to an operational error, the elastic member 7 and the reset member 5 are provided as springs having different deformation amounts, specifically, a pushing force for compressing the elastic member 7 is smaller than a pushing force for compressing the reset member 5. So that the contact switch 3 does not move the contact pin 4 even if the battery 2 contacts the contact switch 3.

As shown in fig. 2 and 3, the end of the nail 4 is provided with a cartridge 41 for accommodating the nail cartridge, the end of the cartridge 41 is closed, and a breakable part 42 is formed, where the breakable part 42 means that when no external force is applied, it remains intact, but can be broken once the external force is applied, and not a very large external force, resulting in the end of the cartridge 41 being open.

As shown in fig. 4, the end of the contact switch 3 is formed with a protrusion 31 capable of breaking the breakable part 42, that is, the outer diameter of the protrusion 31 is substantially equal to the transverse width of the breakable part 42 and is smaller than the inner diameter of the cartridge 41, and the protrusion 31 can break the breakable part 42 and extend into the cartridge 41 to ensure the accurate firing of the nail 4.

Specifically, the drug container 41 is a hollow cylinder with an open top, and a cover 43 is detachably connected to the open top, and in this embodiment, the cover 43 is tightly fitted into the open top. The cover 43 is closed, the breakable part 42 is a plurality of slit bodies 421 which are radially outward along the radial direction of the cover 43 and centered at the center of the cover 43, and the wall thickness of the slit bodies 421 is smaller than that of other areas of the cover 43.

As shown in fig. 2, the breakable part 42 may be in the shape of a cross or a snowflake, as shown in fig. 3, or in the shape of a Chinese character 'mi', as long as it is easily broken when a force is applied to the breakable part.

For ease of assembly, the housing assembly 1 includes an outer case 11, a first case 12 connected to an end of the outer case 11, an insulating sleeve 32 disposed between the first case 12 and the contact switch 3, a battery sleeve 21 disposed inside the outer case 11, and a battery insulating holder 22 disposed between the battery sleeve 21 and the battery 2, an end of the battery insulating holder 22 forming a stopper 221 for preventing the battery 2 from being detached.

The insulating sleeve 32 has a first hollow passage 321, a step surface 322 is formed in the first hollow passage 321, the contact switch 3 is inserted into the first hollow passage 321, and the reset piece 5 is sleeved outside the contact switch 3, and one end of the reset piece abuts against the contact switch 3, and the other end of the reset piece abuts against the step surface 322.

The housing assembly 1 further comprises an end cap 13 disposed at an end of the outer housing 11, the end cap 13 forms an opening 131 for the connection rod to extend into, a limiting groove 61 is formed on a side of the driving member 6 facing the end cap 13, and the connection rod can be inserted into the limiting groove 61 after extending from the opening 131, so as to achieve radial limiting of the connection rod and the driving member 6.

The central axis of the contact 23 of the battery 2 is aligned with the central axis of the contact switch 3.

As shown in fig. 5, the contact switch 3 includes a peeling rod 33, an insulating member 34 inserted in an end portion of the peeling rod 33 with a tight fit, a firing electrode 35, a ceramic insulating plug 36 inserted in the insulating member 34 with a tight fit to fix the firing electrode 35, and an outer cover 37 fitted over an outer side of the end portion of the peeling rod 33. The center of the peeling rod 33 forms a hollow path 331 for the circuit to pass through, the inner bottom surface of the insulating member 34 is provided with a cushion 341, and the above-mentioned protrusion 31 is provided on the outer cover 37. The structural design and the selection of materials solve the problems of high temperature, high pressure and high voltage faced by the electric arc nail gun, and the structure is still effective after ten thousands of tests for initiating electric arc impact, and the service life is long.

The working process of the utility model is that, in the initial state, the contact 23 of the battery 2 keeps a certain distance with the contact switch 3, the elastic element 7 and the reset element 5 are both in the stretching state, the tip of the shooting nail 4 is aligned to the target position of the wall body, the shell component 1 is sleeved outside the shooting nail 4, and at the moment, a certain distance still exists between the convex part 31 and the shooting nail 4; the connecting rod passes behind the end cover 13 and offsets with driving piece 6, namely in the part card of connecting rod goes into spacing recess 61, promotes driving piece 6 and removes to battery 2 place direction, and elastic component 7 promotes battery 2 translation in battery insulation seat 22 after being compressed, until contact 23 contact switch 3 of battery 2, contact switch 3 translation makes the broken easy-to-split portion 42 of convex part 31, and contact switch 3 utilizes high-voltage electric arc to initiate shooting nail 4 and explodes, promotes its nail and inserts the concrete, realizes firm connection.

The foregoing detailed description is intended to illustrate and not limit the utility model, which is intended to be within the spirit and scope of the appended claims, and any changes and modifications that fall within the true spirit and scope of the utility model are intended to be covered by the following claims.

Claims

1. An electric arc nail gun comprising at least a housing assembly (1), a battery (2), a contact switch (3), and a nail (4), characterized in that: the battery (2) activity is located in shell subassembly (1), and its one end and driving piece (6) elastic connection, this driving piece (6) can move in shell subassembly (1), contact switch (3) offset with piece (5) that resets, and the piece (5) that resets under the initial condition extend, just battery (2) and contact switch (3) keep away from each other, exert external force on driving piece (6), promote battery (2) and remove with contact switch (3) to reset piece (5) against contact switch (3) compression, contact switch (3) remove to trigger and penetrate nail (4).

2. The arc nailer of claim 1, wherein: an elastic part (7) is connected between the battery (2) and the driving part (6), and the thrust for compressing the elastic part (7) is smaller than the thrust for compressing the resetting part (5).

3. The arc nailer of claim 1, wherein: the end of the shooting nail (4) is provided with a cartridge (41) for containing a shooting bullet, the end of the cartridge (41) is closed and forms a breakable part (42), and the end of the contact switch (3) forms a convex part (31) capable of poking the breakable part (42).

4. The arc nailer of claim 3, wherein: the end part of the medicine containing barrel (41) is detachably connected with a cover body (43), the cover body (43) is closed, the easy-to-crack part (42) is a plurality of slit bodies (421) which take the center of the cover body (43) as a circle center and radiate outwards along the radial direction, and the wall thickness of the position where the slit bodies (421) are located is smaller than that of other areas of the cover body (43).

5. The arc nailer of claim 4, wherein: the easy-to-crack part (42) is in a cross shape, a Chinese character 'mi' shape or a snowflake shape.

6. The arc nailer of claim 3, wherein: contact switch (3) are including shelling pole (33), locate insulating part (34) in shelling pole (33) tip, trigger electrode (35), ceramic insulating plug (36) of being connected with insulating part (34) cooperation, and the cover is established and is established enclosing cover (37) outside shelling pole (33) tip, shelling pole (33) center forms hollow channel (331) that supply the circuit to pass, the bottom surface is equipped with blotter (341) in insulating part (34), enclosing cover (37) are located in convex part (31).

7. The arc nailer of claim 1, wherein: the shell component (1) comprises a shell body (11), a first shell body (12) connected to the end portion of the shell body (11), an insulating sleeve (32) arranged between the first shell body (12) and the contact switch (3), a battery sleeve (21) arranged in the shell body (11), and a battery insulating seat (22) arranged between the battery sleeve (21) and the battery (2), wherein the end portion of the battery insulating seat (22) forms a blocking edge (221) for preventing the battery (2) from being separated.

8. The arc nailer of claim 7, wherein: the insulating sleeve (32) is provided with a first hollow channel (321), a step surface (322) is formed in the first hollow channel (321), the contact switch (3) is inserted in the first hollow channel (321), one end of the reset piece (5) abuts against the contact switch (3), and the other end of the reset piece abuts against the step surface (322).

9. The arc nailer of claim 8, wherein: the central axis of the contact (23) of the battery (2) and the central axis of the contact switch (3) are positioned on the same straight line.

10. The arc nailer of claim 7, wherein: shell subassembly (1) is including locating end cover (13) of shell body (11) tip, and this end cover (13) form and supply opening (131) that the connecting rod stretches into, be equipped with on driving piece (6) can with the radial spacing recess (61) of connecting rod.