CN215760653U - Detachable structure and caulking gun - Google Patents

Abstract

The utility model discloses a detachable structure, which comprises an end cover and a clamping ring, wherein the end cover is detachably connected with the clamping ring, the cover edge of the end cover is provided with at least two male clamping blocks, the male clamping blocks extend towards the axis of the end cover, a clamping area is formed between each male clamping block and the end cover, the outer wall of one end of the clamping ring is provided with an annular flange, the annular flange is provided with an avoiding gap matched with the male clamping blocks, the annular flange is divided into a plurality of female clamping blocks by the avoiding gap, the axial thickness of each female clamping block is gradually increased along the circumferential direction of the clamping ring, and the tail end of each female clamping block is provided with a limiting flange; also discloses a caulking gun, including detachable construction, a gun barrel and push rod, the terminal surface of end cover is equipped with through-hole and exhaust hole, and the one end of a gun barrel is pegged graft in the rand, and other end detachably is connected with the rifle head, and push rod one end is equipped with the handle, and the other end passes the through-hole and lies in a gun barrel, and other end detachably is connected with the piston piece. The utility model is convenient to screw and disassemble and clean.

Description

Detachable structure and caulking gun

Technical Field

The utility model relates to the technical field of constructional engineering equipment, in particular to a detachable structure and a caulking gun.

Background

The caulking gun is mainly applied to occasions such as airport runways, expressways, ballastless tracks of high-speed railways, reservoir dams, houses and various factory building road workshops, cement mortar or glue is filled into expansion joints, expansion joints and cracks in a pressure mode, the traditional construction method of manual repair is replaced, and the construction efficiency is greatly improved. After the construction is completed, the gun barrel of the caulking gun is often dirty and needs to be disassembled for cleaning. However, the existing caulking gun has the problem of inconvenient disassembly because the structural stability of the caulking gun is ensured during construction.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a detachable structure and a caulking gun, which are convenient to screw and detach and clean.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a detachable construction, includes end cover and rand, and the end cover is connected with rand detachably, the lid of end cover is along being equipped with two at least public tight pieces of clamp, public tight piece of clamp extends to the axis of end cover, and forms the tight district of clamp each other between the tight piece of public tight piece of clamp and the end cover, be equipped with the annular flange on the one end outer wall of rand, set up the breach of dodging of the tight piece of cooperation public clamp on the annular flange, dodge the breach and separate into a plurality of female tight pieces of clamp with the annular flange, female ascending thickness that presss from both sides the piece increases along the circumference of rand gradually, and the end that female tight piece of clamp is equipped with limit flange.

Furthermore, a plurality of anti-skidding convex ribs are distributed on the end cover.

Further, detachable construction still includes the gasket, be equipped with a plurality of anticreep flanges on the terminal surface of gasket, be equipped with the cooperation on the terminal surface of end cover the opening of anticreep flange, anticreep flange detachably lock is in the opening.

Further, the gasket is made of rubber.

The utility model provides a caulking gun, includes above a detachable construction, caulking gun still includes a gun section of thick bamboo and push rod, the terminal surface of end cover is equipped with through-hole and exhaust hole, the one end of a gun section of thick bamboo is pegged graft in the rand, and other end detachably is connected with the rifle head, push rod one end is equipped with the handle, and the other end passes the through-hole and lies in a gun section of thick bamboo, and other end detachably is connected with the piston piece.

Furthermore, the end face of the end cover extends axially to form a guide ring, the guide ring is communicated with the through hole, and the push rod penetrates through the guide ring.

Furthermore, the inner wall of the clamping ring is provided with a limiting step, and one end of the gun barrel is abutted against the limiting step.

Further, the gun barrel and the push rod are made of stainless steel.

Further, the lance head is conical or flat.

The utility model has the beneficial effects that: the public tight piece of clamp and the breach looks screens of dodging of rand of end cover for the rand is located the end cover, and is rotatory along the axis and toward opposite direction with end cover and rand, makes the female tight piece of clamp be located and presss from both sides tight district, and simultaneously, because the thickness that the axial of the female tight piece of clamp increases gradually along the circumference of rand, consequently screws up gradually between end cover and the rand, and the piece that finally public presss from both sides is supported and is leaned on the spacing flange that the female tight piece of clamp, screws up and targets in place, when conveniently screwing up, also convenient dismantlement.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a perspective view of a first embodiment of the present invention;

FIG. 3 is a perspective exploded view of the first embodiment of the present invention;

fig. 4 is a perspective exploded view of the first embodiment of the present invention;

FIG. 5 is an exploded view of a second embodiment of the present invention;

fig. 6 is a schematic structural view of a lance tip in a second embodiment of the present invention.

In the figure, 1-end cover, 11-male clamping block, 12-clamping area, 13-anti-slip convex rib, 14-opening, 15-through hole, 16-vent hole, 17-guide ring, 2-clamping ring, 21-avoiding notch, 22-female clamping block, 23-limiting flange, 24-limiting step, 3-gasket, 31-anti-slip flange, 4-gun barrel, 5-push rod, 6-gun head, 7-handle and 8-piston sheet.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example one

As shown in fig. 1 to 4, the detachable structure provided by the utility model comprises an end cover 1 and a clamping ring 2, wherein the end cover 1 is detachably connected with the clamping ring 2, at least two male clamping blocks 11 are arranged on the cover edge of the end cover 1, preferably two male clamping blocks 11 are arranged, the two male clamping blocks 11 are in mirror symmetry, the male clamping blocks 11 extend towards the axis of the end cover 1, a clamping area 12 is formed between each male clamping block 11 and the end cover 1, an annular flange is arranged on the outer wall of one end of the clamping ring 2, two avoiding gaps 21 matched with the male clamping blocks 11 are formed in the annular flange, the annular flange is divided into two female clamping blocks 22 by the two avoiding gaps 21, the axial thickness of each female clamping block 22 is gradually increased along the circumferential direction of the clamping ring 2, and a limiting flange 23 is arranged at the tail end of each female clamping block 22.

The male clamping block 11 of the end cover 1 is clamped with the avoiding gap 21 of the clamping ring 2, the clamping ring 2 is located in the end cover 1, the end cover 1 and the clamping ring 2 rotate along the axis and in the opposite direction, the female clamping block 22 is located in the clamping area 12, meanwhile, the thickness of the female clamping block 22 in the axial direction is gradually increased along the circumferential direction of the clamping ring 2, therefore, the end cover 1 and the clamping ring 2 are gradually screwed, and finally, the male clamping block 11 abuts against the limiting flange 23 of the female clamping block 22 and is screwed in place. The utility model is convenient to screw and disassemble.

In order to screw the end cap 1 and the clamping ring 2, a plurality of anti-slip convex ribs 13 are distributed on the end cap 1, so that when the end cap is screwed by hands, the hands cannot slip off from the end cap 1.

As shown in fig. 3 to 4, the detachable structure further includes an annular rubber gasket 3, the gasket 3 is located in the clamping area 12, and although the male clamping block 11 can prevent the gasket 3 from falling off from the end cover 1, the gasket 3 is still loose. Therefore, the end face of the gasket 3 is provided with a plurality of anti-falling flanges 31, preferably two anti-falling flanges 31 are provided, the end face of the end cover 1 is provided with an opening 14 matched with the anti-falling flanges 31, and the anti-falling flanges 31 are detachably buckled in the opening 14, so that the gasket 3 can be firmly connected to the end cover 1 and cannot be loosened. When the end cap 1 is detached from the collar 2, the gasket 3 cannot easily fall off the end cap 1. When the end cover 1 and the clamping ring 2 are screwed, the female clamping block 22 of the clamping ring 2 and the end face of the end cover 1 clamp the gasket 3, so that the interaction force of the end cover 1 and the clamping ring 2 is increased, and the end cover 1 and the clamping ring 2 are stably connected.

Example two

As shown in fig. 5 to 6, a caulking gun comprises a detachable structure according to the first embodiment, and further comprises a gun barrel 4 and a push rod 5, wherein a through hole 15 and an exhaust hole 16 are formed in the end face of an end cover 1, the through hole 15 is used for inserting the push rod 5, and the exhaust hole 16 is used for allowing gas to enter and exit the gun barrel 4 when the caulking gun is used. One end of the gun barrel 4 is inserted into the clamping ring 2, and certainly, for the gun barrel 4 and the clamping ring 2 to be stably inserted, the gun barrel 4 can be glued on the outer wall of the gun barrel 4 and then inserted into the clamping ring 2, so that the gun barrel 4 and the clamping ring 2 are connected into a whole, and the end cover 1 and the clamping ring 2 can be conveniently screwed or disassembled. The other end of the gun barrel 4 is detachably connected with a gun head 6, and the gun head 6 and the gun barrel 4 are preferably fixed in a threaded manner, so that the gun barrel is convenient to detach and clean subsequently. Push rod 5 one end is equipped with handle 7, and the other end passes through-hole 15 and is located barrel 4, and other end detachably is connected with piston piece 8, and piston piece 8 is preferably fixed in push rod 5 one end through the screw spiro union, and in addition, in order to be able to produce sufficient pressure, piston piece 8 is preferably provided with two.

When in use, the handle 7 is held by hand and the push rod 5 is pulled, the piston sheet 8 and the gun barrel 4 interact to generate pressure and suck glue or mortar; when filling the gap, the push rod 5 is pushed to generate pressure, and the glue or the mortar is filled into the gap.

When the gun is used, the gun head 6, the end cover 1, the push rod 5 and the piston sheet 8 can be conveniently detached, and cleaning is convenient. In addition, the piston plate 8 is convenient for users to replace after aging and damage.

It should be noted that the handle 7 is designed ergonomically and is also treated to prevent slipping.

The end face of the end cover 1 extends axially to form a guide ring 17, the guide ring 17 is communicated with the through hole 15, and the push rod 5 penetrates through the guide ring 17. The guide ring 17 is mainly used for the caulking gun in the using process, and the push rod 5 can keep coaxial with the gun barrel 4 in the drawing process, so that the drawing process is more labor-saving, and the using effect of the caulking gun is better.

Be equipped with spacing step 24 on the inner wall of rand 2, the one end butt of barrel 4 is on spacing step 24, and spacing step 24 is used for barrel 4 one end joint in rand 2.

In addition, barrel 4 and push rod 5 are stainless steel material, and difficult rust is more durable.

As shown in the attached drawings 5-6, the gun head 6 is conical or flat and can adapt to different construction sites. A conical lance tip 6 is suitable for a hole-shaped gap, and a flat lance tip 6 is suitable for an elongated gap.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims (9)

1. A detachable structure comprises an end cover (1) and a clamping ring (2), wherein the end cover (1) is detachably connected with the clamping ring (2), and is characterized in that: the lid of end cover (1) is along being equipped with two at least public tight pieces (11) of clamp, public tight piece (11) of clamp extends to the axis of end cover (1), and just the public tight piece (11) of clamp and the end cover (1) between form each other and press from both sides tight district (12), be equipped with the annular flange on the one end outer wall of rand (2), set up the breach (21) of dodging of the public tight piece (11) of clamp of cooperation on the annular flange, dodge breach (21) and separate into a plurality of female tight pieces (22) of clamp with the annular flange, the axial ascending thickness of female tight piece (22) of clamp increases along the circumference of rand (2) gradually, and the end of female tight piece (22) of clamp is equipped with limit flange (23).

2. A demountable structure according to claim 1, wherein: the end cover (1) is provided with a plurality of anti-skidding convex ribs (13).

3. A demountable structure according to claim 1 or 2, wherein: detachable structure still includes gasket (3), be equipped with a plurality of anticreep flanges (31) on the terminal surface of gasket (3), be equipped with the cooperation on the terminal surface of end cover (1) opening (14) of anticreep flange (31), anticreep flange (31) detachably lock is in opening (14).

4. A demountable structure according to claim 3, wherein: the gasket (3) is made of rubber.

5. A caulking gun comprising the detachable structure as claimed in any one of claims 1 to 4, wherein the caulking gun further comprises a gun barrel (4) and a push rod (5), the end surface of the end cover (1) is provided with a through hole (15) and an exhaust hole (16), one end of the gun barrel (4) is inserted into the clamping ring (2), the other end of the gun barrel is detachably connected with a gun head (6), one end of the push rod (5) is provided with a handle (7), the other end of the push rod penetrates through the through hole (15) and is positioned in the gun barrel (4), and the other end of the push rod is detachably connected with a piston sheet (8).

6. The caulking gun according to claim 5, wherein: the end face of the end cover (1) extends axially to form a guide ring (17), the guide ring (17) is communicated with the through hole (15), and the push rod (5) penetrates through the guide ring (17).

7. The caulking gun of claim 6, wherein: be equipped with spacing step (24) on the inner wall of rand (2), the one end butt of barrel (4) is in on spacing step (24).

8. The caulking gun according to claim 7, wherein: the gun barrel (4) and the push rod (5) are both made of stainless steel.

9. The caulking gun according to claim 5, wherein: the lance head (6) is conical or flat.

Images