CN220331213U - Chisel for electricity - Google Patents

Abstract

The utility model relates to a building tool's technical field discloses an electric chisel, including chisel body and chisel head, the chisel head sets up on the chisel body, be equipped with the blade on the chisel head, be equipped with the forked tail piece on the terminal surface of chisel head, set up the dovetail that supplies the forked tail piece embedding on the terminal surface of chisel body, the dovetail runs through to the side of chisel body, be equipped with spacing subassembly on the chisel body, spacing subassembly is used for restricting the forked tail piece and breaks away from in the dovetail, and this application can change the chisel head, reduces the cost of changing whole electric chisel.

Description

Chisel for electricity

Technical Field

The application relates to the technical field of building tools, in particular to an electric chisel.

Background

The chisel is a metal tool, the tail end of a handle or a grip is provided with a cutting edge, the chisel can be used for processing brittle materials such as walls, concrete, granite and the like, the electric chisel is usually arranged on an electric hammer, a mounting groove is formed in the electric hammer for the installation of the electric chisel, the chisel is usually held in one hand, and the chisel is scraped by using electric power to drive the chisel after forming right angles with the materials.

The electric chisel in the related art comprises a chisel body and a chisel head, wherein the chisel head is arranged on the chisel body, the chisel head is provided with a cutting edge, the chisel body is used for being arranged on an electric hammer, and the chisel body is in a regular hexagon shape.

Because the blade scrapes with the material for a long time, the phenomenon that the blade can appear wearing and tearing to make the chisel be difficult for continuing scraping the material, need change whole chisel, and the chisel body part does not appear damaging, makes the cost of changing increase.

Disclosure of Invention

In order to solve the problem that the electric chisel is not easy to adapt to different electric hammers, the application provides the electric chisel.

The application provides an electric chisel adopts following technical scheme:

the utility model provides an electric chisel, includes chisel body and chisel head, the chisel head sets up on the chisel body, be equipped with the blade on the chisel head, be equipped with the forked tail piece on the terminal surface of chisel head, set up the dovetail that supplies the forked tail piece embedding on the terminal surface of chisel body, the dovetail runs through to the side of chisel body, be equipped with spacing subassembly on the chisel body, spacing subassembly is used for restricting the forked tail piece and breaks away from in the dovetail.

Through adopting above-mentioned technical scheme, limit the dovetail block through spacing subassembly for the dovetail block is difficult to break away from the dovetail from the opening part of dovetail through direction, and simultaneously when the dovetail block imbeds in the dovetail, the dovetail is difficult to break away from the dovetail, makes the chisel body and chisel head fixed; when the dovetail block breaks away from in the dovetail groove, the chisel can be separated with the chisel head, and when the chisel head is damaged, the chisel head can be independently replaced, so that the chisel can be continuously used, the whole chisel does not need to be replaced, and the cost of replacing the chisel is reduced.

Optionally, the spacing subassembly includes the spacing ring, the perforation has been seted up on the terminal surface of spacing ring, the perforation supplies the forked tail piece to pass, set up the annular of intercommunication dovetail on the surface of chisel body, the spacing ring imbeds in the annular.

Through adopting above-mentioned technical scheme, rotate in the annular through the spacing ring, let the forked tail piece can pass the perforation simultaneously for the forked tail piece can be embedded in the dovetail smoothly, then rotate the spacing ring again, make the internal surface of forked tail piece butt spacing ring, let the forked tail piece be difficult for breaking away from the dovetail.

Optionally, the spacing subassembly still includes fixture block and spring, set up the draw-in groove that supplies the fixture block embedding on the diapire of annular, the spring sets up on the internal surface of spacing ring, the fixture block sets up on the spring keeps away from spacing ring terminal surface, be equipped with the operating element on the fixture block, the operating element is used for driving the fixture block and breaks away from the draw-in groove, works as in the fixture block embedding draw-in groove, the spring is in compression state, just the perforation does not communicate the dovetail.

By adopting the technical scheme, as the spring is in a compressed state, the spring drives the clamping block to move in the direction away from the limiting ring, so that the clamping block can be stably embedded into the clamping groove, the limiting ring is not easy to rotate in the annular groove, the dovetail block is not easy to separate from the dovetail groove, and the chisel head and the chisel body are firmer; the clamping block is driven by the operating piece to be separated from the clamping groove, so that the limiting ring can rotate in the annular groove, and the dovetail block can be taken out from the dovetail groove.

Optionally, the operating piece includes the action bars, the operation hole has been seted up on the internal surface of spacing ring, the action bars sets up on the terminal surface of fixture block towards the spring, the spring housing is located on the action bars, works as the fixture block is embedded in the draw-in groove, the one end of action bars is located outside the operation hole.

Through adopting above-mentioned technical scheme, one end through the action bars is located outside the operation hole for the staff can drive the action bars through driving the action bars, lets the action bars drive the fixture block and remove to the direction of spring, thereby lets the fixture block break away from the draw-in groove, makes the spacing ring rotate in the annular, realizes that the spacing ring is spacing not carried out the forked tail piece.

Optionally, a placing groove communicated with the annular groove is formed in the outer surface of the chisel body, a rotating rod is rotationally connected to the placing groove, a rotating groove for embedding the rotating rod is formed in the end face of the limiting ring, and when the rotating rod is embedded into the rotating groove, the through hole is not communicated with the dovetail groove.

Through adopting above-mentioned technical scheme, rotate in the standing groove through the dwang, in addition the dwang communicates with the standing groove, realizes dwang embedding dwang for the dwang is restricted the spacing ring, lets the spacing ring be difficult for continuing to remove in the annular, thereby lets perforation not communicate with the dovetail, makes the difficult dovetail that breaks away from of dovetail.

Optionally, a fixed slot is formed on the slot wall of the rotating slot, a fixed block capable of being embedded into the fixed slot is arranged on the end face of the rotating rod, and when the fixed block is embedded into the fixed slot, the rotating rod is not easy to separate from the rotating slot.

Through adopting above-mentioned technical scheme, through the fixed block embedding fixed slot for the dwang can be stable lie in the rotation inslot, lets the dwang more firm with the spacing ring, strengthens the restriction effect of dwang to the spacing ring.

Optionally, the terminal surface of spacing ring is equipped with the movable block, offer the gliding travel groove of confession movable block on the cell wall of annular, when the movable block slides in the travel groove, the spacing ring is difficult for breaking away from in the annular.

Through adopting above-mentioned technical scheme, through the movable block in the movable groove internal sliding for the spacing ring is difficult for directly breaking away from the annular, lets between spacing ring and the chisel body fixed each other.

Optionally, an embedded groove is formed in the outer surface of the limiting ring, and the embedded groove is used for driving the limiting ring by a worker.

Through adopting above-mentioned technical scheme, through the cell wall of staff drive caulking groove, be convenient for remove the spacing ring in the annular to realize perforation and dovetail's intercommunication or not communicate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the limit assembly limits the dovetail block, so that the dovetail block is not easy to separate from the opening of the dovetail groove, and the dovetail block is not easy to separate from the dovetail groove in the direction away from the bottom wall of the dovetail groove, so that the space between the dovetail block and the chisel body is firmer, the chisel body and the chisel head are not easy to separate, and scraping of a chisel on materials is realized; the dovetail block is separated from the dovetail groove, so that the chisel head can be independently replaced when damaged, and the cost of replacing the chisel is reduced.

2. Through the dwang rotate in the standing groove, in addition the spacing ring rotates in the annular, and the standing groove communicates with the standing groove, let the dwang can imbed the rotation inslot, let the spacing ring be difficult for continuing to rotate in the annular, the perforation is not communicated with the dovetail this moment, lets the dovetail be difficult for breaking away from the dovetail.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application;

FIG. 2 is a cross-sectional view of the highlighting spacing assembly;

FIG. 3 is an exploded view highlighting a moving mass;

fig. 4 is an exploded view highlighting a rotating lever.

Reference numerals: 1. chiseling; 11. a mounting rod; 12. a dovetail groove; 13. a ring groove; 131. a moving groove; 132. a clamping groove; 14. a placement groove; 141. a fixed rod; 15. a rotating lever; 151. a rotation hole; 152. a fixed block; 2. a chisel head; 21. a cutting edge; 22. dovetail blocks; 3. a limit component; 31. a limiting ring; 311. a moving block; 312. a caulking groove; 313. perforating; 314. a receiving groove; 315. an operation hole; 32. a clamping block; 33. a spring; 34. a rotating groove; 341. a fixing groove; 4. an operating member; 41. and an operation lever.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment discloses an electric chisel. Referring to fig. 1, an electric chisel includes a chisel body 1 and a chisel head 2, the chisel head 2 being integrally formed on an end face of the chisel body 1. The chisel head 2 is integrally formed with a cutting edge 21, and the cutting edge 21 is used for scraping materials. When the chisel 1 is installed on the chisel head 2, the chisel 1 is provided with an installation rod 11 which is integrally formed on the end face far away from the chisel head 2, and the installation rod 11 can be embedded into an installation groove of the electric hammer.

Referring to fig. 1 and 2, a dovetail block 22 is integrally formed on the end face of the chisel head 2 remote from the cutting edge 21. The end face of the chisel body 1 is provided with a dovetail groove 12 for embedding the dovetail block 22, and two opposite sides of the dovetail groove 12 penetrate through the outer circumferential face of the chisel body 1.

Referring to fig. 2 and 3, a ring groove 13 is formed in the outer circumferential surface of the chisel 1, the ring groove 13 is communicated with the dovetail groove 12, and the ring groove 13 surrounds the chisel 1 along the circumferential direction. The groove walls on two opposite sides of the ring groove 13 are provided with moving grooves 131, and the moving grooves 131 encircle the chisel body 1 along the circumferential direction.

Referring to fig. 2 and 3, the chisel 1 is provided with a limiting assembly 3, and the limiting assembly 3 is used for limiting the dovetail block 22 from being separated from the dovetail groove 12. The limit assembly 3 includes a limit ring 31, a latch 32 and a spring 33. The retainer ring 31 is rotatable within the ring groove 13. The end surfaces of the two opposite sides of the limiting ring 31 are integrally formed with a moving block 311, the moving block 311 can slide in the moving groove 131, and the moving block 311 is not easy to separate from the moving groove 131. The outer circumferential surface of the limiting ring 31 is provided with an embedding groove 312, the embedding groove 312 extends along the surrounding direction of the limiting ring 31, and the groove wall of the embedding groove 312 is used for a worker to drive the limiting ring 31 to rotate in the annular groove 13.

Referring to fig. 2, the end surface of the limiting ring 31 is provided with a through hole 313 through which the dovetail block 22 passes, the inner surface of the limiting ring 31 is provided with a containing groove 314, and the bottom wall of the containing groove 314 is provided with an operation hole 315. One end of the spring 33 is fixedly connected to the bottom wall of the accommodating groove 314, and the other end of the spring 33 is fixedly connected to the clamping block 32. The bottom wall of the ring groove 13 is provided with a clamping groove 132 into which the clamping block 32 is embedded. When the clamping block 32 is embedded into the clamping groove 132, the spring 33 is in a compressed state, and the through holes 313 are not communicated with the dovetail groove 12.

Referring to fig. 2, the latch 32 is provided with an operating member 4, and the operating member 4 is used to drive the latch 32 to disengage from the latch slot 132. The operating member 4 includes an operating lever 41. The operation lever 41 is integrally formed on an end surface of the clamping block 32 facing the spring 33, the operation lever 41 can pass through the operation hole 315, and the spring 33 is sleeved on the outer circumferential surface of the operation lever 41. When the latch 32 is inserted into the latch groove 132, an end of the operating lever 41 away from the latch 32 is located at a side of the operating hole 315 away from the bottom wall of the annular groove 13.

Referring to fig. 2 and 4, a placement groove 14 communicating with the ring groove 13 is formed on the outer circumferential surface of the chisel 1, and a fixing rod 141 is fixedly connected to the groove wall of the placement groove 14. The end surfaces of the two opposite sides of the fixing rod 141 are fixedly connected to the groove walls of the two opposite sides of the placing groove 14, and the length direction of the fixing rod 141 is perpendicular to the length direction of the chisel 1. The chisel 1 is provided with a rotating rod 15, and the rotating rod 15 is provided with a rotating hole 151 for the fixed rod 141 to pass through, namely, the rotating rod 15 is rotationally connected with the fixed rod 141. Two fixed blocks 152 are fixedly connected to the outer surface of the rotating rod 15, and the two fixed blocks 152 are respectively positioned on the end surfaces of two opposite sides of the rotating rod 15.

Referring to fig. 2 and 4, a rotation groove 34 is formed on the outer circumferential surface of the retainer ring 31, and the rotation groove 34 is provided for the rotation rod 15 to be inserted. Two fixed grooves 341 are formed on the wall of the rotating groove 34. The two fixed slots 341 are respectively located on the slot walls on two opposite sides of the rotating slot 34, and each fixed slot 341 is used for embedding a corresponding fixed block 152. When the rotating rod 15 is inserted into the rotating groove 34, the through holes 313 do not communicate with the dovetail groove 12, and the fixing block 152 can be inserted into the fixing groove 341.

The implementation principle of the electric chisel in the embodiment of the application is as follows: the staff firstly takes out the rotating rod 15 from the rotating groove 34, simultaneously pulls the operating rod 41, breaks away from the clamping block 32 from the clamping groove 132, stretches into the caulking groove 312 to drive the limiting ring 31 to rotate in the annular groove 13, aligns the perforation 313 with the dovetail groove 12, and breaks away from the dovetail groove 12 by the dovetail block 22, so that the chisel 1 and the chisel head 2 are separated.

The foregoing description of the preferred embodiments of the present application is not intended to limit the utility model, but is intended to cover any modifications, equivalents, improvements, etc. that fall within the spirit and scope of the present application.

Claims (8)

1. The utility model provides an electric chisel, includes chisel body (1) and chisel head (2), chisel head (2) set up on chisel body (1), be equipped with blade (21), its characterized in that on chisel head (2): the novel chisel head is characterized in that a dovetail block (22) is arranged on the end face of the chisel head (2), a dovetail groove (12) for embedding the dovetail block (22) is formed in the end face of the chisel body (1), the dovetail groove (12) penetrates through the side face of the chisel body (1), a limiting component (3) is arranged on the chisel body (1), and the limiting component (3) is used for limiting the dovetail block (22) to separate from the dovetail groove (12).

2. An electric chisel as defined in claim 1 wherein: the limiting assembly (3) comprises a limiting ring (31), a perforation (313) is formed in the end face of the limiting ring (31), the perforation (313) is used for allowing the dovetail block (22) to pass through, a ring groove (13) communicated with the dovetail groove (12) is formed in the outer surface of the chisel body (1), and the limiting ring (31) is embedded into the ring groove (13).

3. An electric chisel as defined in claim 2 wherein: the limiting assembly (3) further comprises a clamping block (32) and a spring (33), a clamping groove (132) for embedding the clamping block (32) is formed in the bottom wall of the annular groove (13), the spring (33) is arranged on the inner surface of the limiting ring (31), the clamping block (32) is arranged on the end face, far away from the limiting ring (31), of the spring (33), an operating piece (4) is arranged on the clamping block (32), the operating piece (4) is used for driving the clamping block (32) to separate from the clamping groove (132), and when the clamping block (32) is embedded in the clamping groove (132), the spring (33) is in a compressed state, and the through hole (313) is not communicated with the dovetail groove (12).

4. An electric chisel as claimed in claim 3 wherein: the operation piece (4) comprises an operation rod (41), an operation hole (315) is formed in the inner surface of the limiting ring (31), the operation rod (41) is arranged on the end face, facing the spring (33), of the clamping block (32), the spring (33) is sleeved on the operation rod (41), and when the clamping block (32) is embedded into the clamping groove (132), one end of the operation rod (41) is located outside the operation hole (315).

5. An electric chisel as defined in claim 2 wherein: the outer surface of the chisel body (1) is provided with a placing groove (14) communicated with the annular groove (13), the placing groove (14) is rotationally connected with a rotating rod (15), the end surface of the limiting ring (31) is provided with a rotating groove (34) for embedding the rotating rod (15), and when the rotating rod (15) is embedded into the rotating groove (34), the through hole (313) is not communicated with the dovetail groove (12).

6. An electric chisel as defined in claim 5 wherein: the fixed groove (341) is formed in the groove wall of the rotating groove (34), the fixed block (152) capable of being embedded into the fixed groove (341) is arranged on the end face of the rotating rod (15), and when the fixed block (152) is embedded into the fixed groove (341), the rotating rod (15) is not easy to separate from the rotating groove (34).

7. An electric chisel as defined in claim 2 wherein: the end face of the limiting ring (31) is provided with a moving block (311), the groove wall of the annular groove (13) is provided with a moving groove (131) for the moving block (311) to slide, and when the moving block (311) slides in the moving groove (131), the limiting ring (31) is not easy to separate from the annular groove (13).

8. An electric chisel as defined in claim 2 wherein: the outer surface of the limiting ring (31) is provided with a caulking groove (312), and the caulking groove (312) is used for driving the limiting ring (31) by staff.