CN216859623U

CN216859623U - Automatic reset dual-purpose adjusting button on electric hammer

Info

Publication number: CN216859623U
Application number: CN202122691215.0U
Authority: CN
Inventors: 俞建忠; 孟令军
Original assignee: Zhejiang Juchi Auto Parts Co ltd
Current assignee: Zhejiang Juchi Auto Parts Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-07-01
Anticipated expiration: 2031-11-05

Abstract

The utility model belongs to the technical field of electric tools, and particularly relates to an automatic reset dual-purpose adjusting knob on an electric hammer, which comprises an electric hammer body, wherein an adjusting rod is rotated in a circular groove formed in one side wall of the electric hammer body, two inserting holes are formed in one end of the adjusting rod, a knob box is fixed on one side wall of the electric hammer body, a disc is fixed inside the knob box, and an arc-shaped rotating block is rotatably connected inside the disc. According to the utility model, through the arrangement of the knob box, the disc, the arc-shaped rotating block, the rotating button, the clamping block, the limiting assembly, the connecting rod, the pulling block, the first spring, the stopping block and the pull rope, when the working mode needs to be switched, the limiting assembly can limit the rotating button, so that an operator is prevented from mistakenly touching the adjusting rotating button, the misoperation of an adjusting mechanism is avoided, when the mode needs to be switched back, the rotating button can automatically reset only after the limiting assembly is pulled to remove the limitation on the clamping block, and the working mode used before is recovered.

Description

Automatic reset dual-purpose adjusting button on electric hammer

Technical Field

The utility model relates to the technical field of electric tools, in particular to an automatic reset dual-purpose adjusting button on an electric hammer.

Background

The electric hammer is an electric rotary hammer drill with a safety clutch and a pneumatic hammering mechanism, and mainly utilizes the principle of piston motion, adopts compressed gas to impact a drill bit, holes are formed in hard materials such as concrete, bricks, stones and the like, the drill bit of the electric hammer can be in different working states by rotating an adjusting knob of the electric hammer, namely, the drill bit is only rotated and does not impact, only impacts and does not rotate, the impact and the rotation are realized, the working mode of the electric hammer cutting tool is adjusted by a knob type, namely, an operator realizes the adjustment of the electric tool cutting tool by operating the adjusting knob positioned outside the electric tool shell, namely, the adjusting knob transmits the operation of the operator on the adjusting knob to an electric tool cutting tool adjusting mechanism through a connecting part.

According to the name of application No. CN203579588U for electric tool adjust knob locking mechanism Chinese utility model patent, the problem that this patent proposed is that the adjust knob of present electric hammer is located the casing outside of electric hammer, specifically in the use, operating personnel touches adjust knob very easily, and then causes the adjustment mechanism malfunction, thereby the mode that this patent adopted is spacing to the knob through rotating the bolt, this mode operation is comparatively loaded down with trivial details, therefore we have proposed the dual-purpose knob of automatic re-setting on the electric hammer and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an automatic reset dual-purpose adjusting button on an electric hammer, which solves the problems in the background technology.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

a dual-purpose adjusting button for automatic reset on an electric hammer comprises an electric hammer body, wherein a regulating rod is rotated in a circular groove formed in one side wall of the electric hammer body, two jacks are formed in one end of the regulating rod, a knob box is fixed on one side wall of the electric hammer body, a disc is fixed inside the knob box, an arc-shaped rotating block is rotatably connected inside the disc, a rotating button is fixed on one side wall of the arc-shaped rotating block through the knob box, a rotating handle is fixed on one side wall of the rotating button, a clamping block is fixed on the outer wall of the rotating button, a clamping hole is formed in the top end of the clamping block, a limiting component used for fixing the clamping block is arranged on one side wall of the knob box, a connecting rod is fixed at the other end of the rotating button, two inserting rods matched with the jacks are fixed at one end of the connecting rod, the inserting rods are inserted inside the jacks, and a pulling block is slidably connected inside the knob box, a first spring is fixed on one side wall of the pull block, a stop block is fixed inside the knob box, the other end of the first spring is fixedly connected with one side wall of the stop block, a pull rope is fixed on one side wall of the pull block, and the other end of the pull rope penetrates through the stop block and the disc to be fixedly connected with the bottom of the arc-shaped rotating block.

Furthermore, the limiting assembly comprises a supporting plate fixed on one side wall of the knob box, a clamping rod penetrates through the top of the supporting plate, a pulling plate is fixed at the bottom of the clamping rod, a limiting plate is fixed on the surface of the clamping rod, a second spring is fixed at the bottom of the limiting plate, and the bottom end of the second spring is fixedly connected with the top of the supporting plate.

Further, a first sliding groove is formed in one side wall of the knob box, a first sliding block matched with the first sliding groove is fixed on one side wall of the limiting plate, and the first sliding block is connected inside the first sliding groove in a sliding mode.

Furthermore, a second sliding groove is formed in the knob box, and the pulling block is connected to the inside of the second sliding groove in a sliding mode.

Furthermore, an arc through groove matched with the arc rotating block is formed in one side wall of the knob box.

Furthermore, a connecting column is fixed inside the knob box, and the pull rope slides on the surface of the connecting column.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic reset dual-purpose adjusting button on an electric hammer, which has the following beneficial effects:

according to the utility model, through the arrangement of the knob box, the disc, the arc-shaped rotating block, the rotating button, the clamping block, the limiting assembly, the connecting rod, the pulling block, the first spring, the stopping block and the pull rope, when the working mode needs to be switched, the limiting assembly can limit the rotating button, so that an operator is prevented from mistakenly touching the adjusting rotating button, the misoperation of an adjusting mechanism is avoided, when the mode needs to be switched back, the rotating button can automatically reset only after the limiting assembly is pulled to remove the limitation on the clamping block, and the working mode used before is recovered.

Drawings

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

FIG. 2 is a schematic view of an adjusting lever according to the present invention;

FIG. 3 is a schematic view of a spacing assembly according to the present invention;

FIG. 4 is a front view of the interior of the knob case according to the present invention;

FIG. 5 is a rear view of the interior of the knob case according to the present invention;

fig. 6 is a schematic structural view of the knob case of the present invention.

In the figure: 1. an electric hammer body; 2. adjusting a rod; 3. a jack; 4. a knob case; 5. a disc; 6. an arc-shaped rotating block; 7. turning a button; 8. turning a handle; 9. a clamping block; 10. a clamping hole; 11. a limiting component; 1101. a support plate; 1102. a clamping rod; 1103. pulling a plate; 1104. a limiting plate; 1105. a second spring; 12. a connecting rod; 13. inserting a rod; 14. pulling the block; 15. a first spring; 16. a stopper; 17. pulling a rope; 18. a first chute; 19. a first slider; 20. a second chute; 21. an arc-shaped through groove; 22. connecting columns.

Detailed Description

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.

Examples

As shown in fig. 1, 2, 3, 4, 5 and 6, an automatic reset dual-purpose adjusting button for an electric hammer according to an embodiment of the present invention includes an electric hammer body 1, an adjusting rod 2 is rotatably disposed in a circular groove formed in a side wall of the electric hammer body 1, two insertion holes 3 are formed at one end of the adjusting rod 2, a knob box 4 is fixed to a side wall of the electric hammer body 1, a disk 5 is fixed to the inside of the knob box 4, an arc-shaped rotating block 6 is rotatably connected to the inside of the disk 5, a rotating button 7 is fixed to a side wall of the arc-shaped rotating block 6 penetrating through the knob box 4, a rotating handle 8 is fixed to a side wall of the rotating button 7, a block 9 is fixed to an outer wall of the rotating button 7, a block hole 10 is formed at a top end of the block 9, a limiting component 11 for fixing the block 9 is disposed on a side wall of the knob box 4, a connecting rod 12 is fixed to the other end of the rotating button 7, two insertion rods 13 adapted to the insertion holes 3 are fixed to one end of the connecting rod 12, the inserting rod 13 is inserted in the jack 3, the pull block 14 is connected in the knob box 4 in a sliding manner, a first spring 15 is fixed on one side wall of the pull block 14, a stop block 16 is fixed in the knob box 4, the other end of the first spring 15 is fixedly connected with one side wall of the stop block 16, a pull rope 17 is fixed on one side wall of the pull block 14, the other end of the pull rope 17 penetrates through the stop block 16 and the disc 5 to be fixedly connected with the bottom of the arc-shaped rotary block 6 respectively, when the rotary hammer is used, the inserting rod 13 fixed at one end of the connecting rod 12 is inserted in the jack 3 formed at one end of the adjusting rod 2, then the knob box 4 is fixed on the electric hammer body 1, when the working mode needs to be switched, the rotary knob 7 is rotated to drive the connecting rod 12 to rotate, the connecting rod 12 rotates to drive the adjusting rod 2 to rotate, the rotary knob 7 can drive the arc-shaped rotary block 6 to rotate in the disc 5, the arc-shaped rotary block 6 drives the pull rope 17 to move, thereby stay cord 17 removes to drive and draws piece 14 to remove, draw piece 14 removal back, first spring 15 is in the state of compressed this moment, change 7 drives fixture block 9 and rotates 180 degrees backs, accomplish mode's change this moment, then it is spacing to fixture block 9 through spacing subassembly 11, thereby can prevent that operating personnel from avoiding bumping change 7 by mistake when using, after the mode is changed back to needs, remove the restriction to fixture block 9 through spacing subassembly 11 after, under first spring 15's effort, draw piece 14 to reset through stay cord 17 and drive arc-shaped rotating block 6 and reset, thereby arc-shaped rotating block 6 resets and drives change 7 and drive connecting rod 12 and reset, consequently, when realizing that the mode conversion returns, change 7 can reset automatically.

As shown in fig. 1 and fig. 3, in some embodiments, the limiting assembly 11 includes a supporting plate 1101 fixed on one side wall of the knob box 4, a clamping rod 1102 penetrates through the top of the supporting plate 1101, a pulling plate 1103 is fixed at the bottom of the clamping rod 1102, a limiting plate 1104 is fixed on the surface of the clamping rod 1102, a second spring 1105 is fixed at the bottom of the limiting plate 1104, the bottom end of the second spring 1105 is fixedly connected with the top of the supporting plate 1101, in use, the pulling plate 1103 is pulled, the pulling plate 1103 drives the clamping rod 1102 to move downward, the clamping rod 1102 moves downward to drive the limiting plate 1104 to move, at this time, the second spring 1105 is in a compressed state, then, after the rotating knob 7 rotates 180 degrees, at this time, the clamping block 9 and the limiting assembly 11 are in a parallel state, the pulling plate 1103 is released, at this time, the top end of the clamping rod 1102 is inserted into a clamping hole 10 formed in the clamping block 9, so as to limit the clamping block 9.

As shown in fig. 3 and fig. 6, in some embodiments, a first sliding groove 18 is formed in a side wall of the knob box 4, a first sliding block 19 matched with the first sliding groove 18 is fixed on a side wall of the limiting plate 1104, and the first sliding block 19 is slidably connected inside the first sliding groove 18, so that when the locking rod 1102 drives the limiting plate 1104 to move, the limiting plate 1104 can be more stable when moving.

As shown in fig. 4, in some embodiments, a second sliding groove 20 is formed in the knob box 4, and the pull block 14 is slidably connected inside the second sliding groove 20, so as to limit the first spring 15, so that the pull block 14 can be more stable when sliding, and the first spring 15 does not shake left and right.

As shown in fig. 6, in some embodiments, an arc through slot 21 matched with the arc rotary block 6 is formed on a side wall of the knob box 4, so that the arc rotary block 6 is not interfered when penetrating through the knob box 4 and being fixed with the rotary knob 7.

As shown in fig. 4 and 5, in some embodiments, a connection column 22 is fixed inside the knob case 4, and the pulling rope 17 slides on the surface of the connection column 22 to play a role of limiting and supporting the pulling rope 17 during sliding, so that the pulling rope can be more smoothly during sliding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dual-purpose knob of automatic re-setting on electric hammer, includes electric hammer body (1), its characterized in that: the electric hammer is characterized in that a regulating rod (2) is rotated in a circular groove formed in one side wall of the electric hammer body (1), two inserting holes (3) are formed in one end of the regulating rod (2), a knob box (4) is fixed on one side wall of the electric hammer body (1), a disc (5) is fixed inside the knob box (4), an arc-shaped rotating block (6) is connected inside the disc (5) in a rotating mode, a rotating button (7) penetrates through the knob box (4) in one side wall of the arc-shaped rotating block (6), a rotating handle (8) is fixed on one side wall of the rotating button (7), a clamping block (9) is fixed on the outer wall of the rotating button (7), clamping holes (10) are formed in the top end of the clamping block (9), a limiting component (11) used for fixing the clamping block (9) is arranged on one side wall of the knob box (4), and a connecting rod (12) is fixed at the other end of the rotating button (7), the improved structure of the rotary knob is characterized in that two insertion rods (13) matched with the insertion holes (3) are fixed to one end of the connecting rod (12), the insertion rods (13) are inserted into the insertion holes (3), a pull block (14) is connected to the inside of the knob box (4) in a sliding mode, a first spring (15) is fixed to one side wall of the pull block (14), a stop block (16) is fixed to the inside of the knob box (4), the other end of the first spring (15) is fixedly connected with one side wall of the stop block (16), a pull rope (17) is fixed to one side wall of the pull block (14), and the other end of the pull rope (17) penetrates through the stop block (16) and the bottom of the arc-shaped rotating block (6) and the disc (5) respectively.

2. The automatic reset dual-purpose knob on the electric hammer according to claim 1, wherein: spacing subassembly (11) is including fixing extension board (1101) at knob box (4) a lateral wall, extension board (1101) top is run through has kelly (1102), the bottom of kelly (1102) is fixed with arm-tie (1103), kelly (1102) fixed surface has limiting plate (1104), the bottom of limiting plate (1104) is fixed with second spring (1105), the bottom of second spring (1105) and the top fixed connection of extension board (1101).

3. The automatic reset dual-purpose knob on the electric hammer according to claim 2, wherein: a first sliding groove (18) is formed in one side wall of the knob box (4), a first sliding block (19) matched with the first sliding groove (18) is fixed on one side wall of the limiting plate (1104), and the first sliding block (19) is connected to the inside of the first sliding groove (18) in a sliding mode.

4. The automatic reset dual-purpose knob on the electric hammer according to claim 1, wherein: a second sliding groove (20) is formed in the knob box (4), and the pulling block (14) is connected to the inside of the second sliding groove (20) in a sliding mode.

5. The automatic reset dual-purpose knob on the electric hammer according to claim 1, wherein: an arc through groove (21) matched with the arc rotating block (6) is formed in one side wall of the knob box (4).

6. The automatic reset dual-purpose knob on the electric hammer according to claim 1, wherein: a connecting column (22) is fixed inside the knob box (4), and the pull rope (17) slides on the surface of the connecting column (22).