CN117656006A - Punching depth adjusting device for electric hammer - Google Patents
Punching depth adjusting device for electric hammer Download PDFInfo
- Publication number
- CN117656006A CN117656006A CN202211064666.4A CN202211064666A CN117656006A CN 117656006 A CN117656006 A CN 117656006A CN 202211064666 A CN202211064666 A CN 202211064666A CN 117656006 A CN117656006 A CN 117656006A
- Authority
- CN
- China
- Prior art keywords
- pressing
- handle
- hole
- scale
- pressing block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004080 punching Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/055—Depth properties, e.g. tools having depth indicator or depth control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model discloses a punching depth adjusting device for an electric hammer, which comprises a handle bracket, wherein an adjusting hole is formed in the handle bracket, and a scale capable of axially moving is arranged in the adjusting hole; wherein: the handle support is also provided with a pressing assembly, the pressing assembly comprises a pressing handle and a pressing block, and the pressing handle drives the pressing block to rotate after rotating and presses or releases the scale. According to the utility model, a mode of fixing the scale by using the pressing component replaces a quick clamping mechanism which needs to be pressed all the time in the prior art, when the scale is regulated, the pressing or loosening of the pressing block on the scale can be realized by only rotating the pressing handle, the pressing component does not need to be operated all the time, and the operation is simpler.
Description
Technical Field
The utility model relates to a depth adjusting device, in particular to a punching depth adjusting device for an electric hammer.
Background
Electric hammers are one of the types of electric drills and are mainly used for drilling holes in concrete, floor slabs, brick walls and stones, and are specially used for drilling holes in wall surfaces, concrete and stones. The multifunctional electric hammer is also provided, and the electric hammer can be used by being adjusted to a proper position and being matched with a proper drill bit to replace a common electric drill. In order to avoid overlong or insufficient punching depth, a scale is also arranged on the electric hammer to measure the punching depth.
Chinese patent document CN207155710U discloses an electric hammer, which comprises a hammer body, the hammer body output is equipped with the jaw, be connected with the drill bit on the jaw, be equipped with detachable clamp between hammer body and the jaw, be equipped with on the clamp with the same axial axle sleeve of drill bit, the axle sleeve endotheca is equipped with and is used for contradicting the ejector pin on the wall surface of punching in advance, the ejector pin can be in axle sleeve axial motion and fix through the lock bolt. According to the utility model, the drill bit limiting device is added on the electric hammer, so that the maximum depth of the drill bit which can drill is controlled, the drill bit is effectively prevented from damaging the heat insulation layer of the floor slab, and the structural safety of the roof is protected.
This prior art has the following disadvantages:
1. in the prior art, the ejector rod is fixed by locking the bolt, so that the bolt is required to be screwed or unscrewed by a screwdriver or other tools during adjustment, and the problem of inconvenient operation exists;
2. in the prior art, the ejector rod is a cylindrical rod, the surface is smooth, so that in the using process, if the ejector rod is excessively large in external force, the ejector rod is easy to move, once the ejector rod moves in the using process, the adjusting length of the fixed ejector rod is changed, and finally the drilling depth is caused to be in error.
In order to solve the defects of the prior art, a quick clamping mechanism for a depth gauge of an electric hammer is disclosed in China patent document CN210210262U, and comprises a clamp for fixing the electric hammer and the depth gauge, wherein the depth gauge is arranged on the clamp in a sliding manner, an adjusting mechanism for fixing or loosening the depth gauge on the clamp is arranged on the clamp, and a fastening mechanism for fixing or loosening the electric hammer is arranged between the clamp and the electric hammer.
In the prior art, the quick adjustment of the depth gauge is realized by adopting the quick clamping mechanism, but in the adjustment process, an operator is required to press the pressure gauge seat all the time to ensure that the depth gauge can displace, so that the operation is inconvenient.
Disclosure of Invention
The utility model provides a punching depth adjusting device for an electric hammer, which comprises a handle bracket, wherein an adjusting hole is formed in the handle bracket, and a scale capable of axially moving is arranged in the adjusting hole; wherein: the handle support is also provided with a pressing assembly, the pressing assembly comprises a pressing handle and a pressing block, and the pressing handle drives the pressing block to rotate after rotating and presses or releases the scale.
Preferably, the pressing handle is connected with the pressing block through a torsion spring. In this scheme, utilize the torsional spring to realize briquetting and pressing being connected between the handle, after pressing the handle rotation to certain angle, the briquetting will release the scale, but the degree of depth of free regulation scale this moment, then back is pressed the handle to the reverse rotation, and the briquetting can compress tightly the scale again, easy operation.
Preferably, the pressing handle is provided with a strip-shaped hole, and one end of the torsion spring is clamped into the strip-shaped hole.
Preferably, the pressing block is provided with a first circumferential hole, and the other end of the torsion spring is positioned in the first circumferential hole.
Preferably, the pressing block is provided with a first tooth-shaped surface, and one surface of the scale, which is contacted with the pressing block, is provided with a second tooth-shaped surface meshed with the first tooth-shaped surface. Compare with smooth surface, in this scheme, the setting of first profile of tooth face and second profile of tooth face can make the scale can not remove wantonly in the use to can guarantee the accuracy of depth of punching. The pressing handle is provided with a through hole, the pressing handle rotates by taking the through hole as a circle center, and a first fixing piece for connecting the pressing handle and the handle support is arranged in the through hole.
Preferably, the pressing block is provided with a second circumferential hole, the pressing block rotates by taking the second circumferential hole as a circle center, and a second fixing piece for connecting the pressing block and the handle support is arranged in the second circumferential hole.
The utility model has the following beneficial effects:
1. in the scheme, the mode of realizing scale fixing by using the pressing component in the buckling mode replaces a quick clamping mechanism which needs to be pressed all the time in the prior art, when the scale is regulated, the pressing or loosening of the pressing block to the scale can be realized by only rotating the pressing handle, the pressing component does not need to be operated all the time, and the operation is simpler;
2. in the scheme, the pressing block is connected with the pressing handle through the torsion spring, so that the pressing block is driven to release the scale after the pressing handle rotates for a certain angle, and the pressing handle is not required to be operated after the scale is released; if the pressing block is connected with the pressing handle by adopting the spring structure, the pressing handle is required to be operated all the time in the process of adjusting the scale because the spring is always in a compressed state after the scale is released, and compared with the mode of the spring structure, the torsion spring is more convenient to set and use in the scheme;
3. compared with the ejector rod with the smooth surface in the prior art, in the scheme, the friction between the pressing block and the scale can be increased through the arrangement of the first tooth-shaped surface and the second tooth-shaped surface, so that the scale is prevented from moving randomly in the use process, and the accuracy of the punching depth can be guaranteed.
Drawings
FIG. 1 is a schematic view of an embodiment of a punching depth adjusting device for an electric hammer according to the present utility model;
FIG. 2 is a schematic view of the structure of the pressing handle;
FIG. 3 is a schematic structural view of a briquette;
FIG. 4 is a schematic view of the structure of the scale;
FIG. 5 is a cross-sectional view of the scale compressed;
fig. 6 is a cross-sectional view when the scale is released.
Detailed Description
The following is a further detailed description of the embodiments:
1. definition of the definition
Axial direction: generally, for a cylindrical object, it is the direction of the central axis of rotation of the cylinder, i.e. the direction common to the central axis.
Torsion springs: pertaining to a helical spring, the ends of the torsion spring are secured to other components which pull them back to their original position as they rotate about the center of the torsion spring, creating a torque or rotational force.
Tooth profile: provided with a toothed surface.
2. Reference numerals in the drawings of the specification include: the handle comprises a handle support 1, a pressing handle 2, a bar-shaped hole 21, a through hole 22, a scale 3, a second tooth-shaped surface 31, a pressing block 4, a first circumferential hole 41, a second circumferential hole 42, a first tooth-shaped surface 43 and a torsion spring 5.
An example is substantially as shown in figures 1 to 6 of the accompanying drawings: the punching depth adjusting device for the electric hammer comprises a handle bracket 1, wherein an adjusting hole is formed in the handle bracket 1, and a scale 3 capable of axially moving is arranged in the adjusting hole; wherein: the handle support 1 is also provided with a pressing component, the pressing component comprises a pressing handle 2 and a pressing block 4, and the pressing handle 2 drives the pressing block 4 to rotate after rotating and presses or releases the scale 3.
Specifically, as shown in fig. 2, a through hole 22 is formed in the pressing handle 2, the pressing handle 2 rotates around the through hole 22, and a first fixing member for connecting the pressing handle 2 and the handle support 1 is disposed in the through hole 22. As shown in fig. 3, the pressing block 4 is provided with a second circumferential hole 42, the pressing block 4 rotates around the second circumferential hole 42 as a center, and a second fixing piece for connecting the pressing block 4 and the handle support 1 is arranged in the second circumferential hole 42. The first and second fixing members may be connection pins.
The pressing handle 2 is connected with the pressing block 4 through the torsion spring 5, the pressing handle 2 is provided with a strip-shaped hole 21, one end of the torsion spring 5 is clamped into the strip-shaped hole 21, a first circumferential hole 41 is formed in the pressing block 4, and the other end of the torsion spring 5 is located in the first circumferential hole 41.
The first toothed surface 43 is provided on the pressure block 4, and the second toothed surface 31 which is meshed with the first toothed surface 43 is provided on the surface of the scale 3 which contacts the pressure block 4, as shown in fig. 4.
The specific implementation process is as follows: as shown in fig. 5, the pressing block 4 is used for pressing the scale 3 to be in an initial state, at this time, the torsion spring 5 is at the first position, one end of the pressing block 4, which is close to the scale 3, abuts against the scale 3, so that the scale 3 is pressed, and when the pressing block 4 presses the scale 3, the first tooth surface 43 on the pressing block 4 is meshed with the second tooth surface 31 on the scale 3.
When the depth of the scale 3 needs to be adjusted, the pressing handle 2 is rotated upwards, after the pressing handle 2 rotates by a certain angle, such as ninety degrees, the torsion spring 5 comes to the second position, and one end of the pressing block 4, which is close to the scale 3, swings upwards, so that the pressing block does not abut against the scale 3 any more, and then the scale 3 can slide freely in the adjusting hole, so that the depth is adjusted, as shown in fig. 6.
After the adjustment, the pressing handle 2 is reversely rotated, and the pressing handle 2 drives the pressing block 4 to reversely swing through the torsion spring 5, so that the scale 3 is pressed again, and the whole adjustment process is completed.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present utility model, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. The punching depth adjusting device for the electric hammer comprises a handle bracket, wherein an adjusting hole is formed in the handle bracket, and a scale capable of axially moving is arranged in the adjusting hole; the method is characterized in that: the handle support is also provided with a pressing assembly, the pressing assembly comprises a pressing handle and a pressing block, and the pressing handle drives the pressing block to rotate after rotating and presses or releases the scale.
2. The punching depth adjusting device for an electric hammer according to claim 1, wherein: the pressing handle is connected with the pressing block through a torsion spring.
3. The punching depth adjusting device for an electric hammer according to claim 2, wherein: the pressing handle is provided with a strip-shaped hole, and one end of the torsion spring is clamped into the strip-shaped hole.
4. The punching depth adjusting device for an electric hammer according to claim 3, wherein: the briquetting is equipped with first circumference hole, the other end of torsional spring is located in the first circumference hole.
5. The punching depth adjusting device for an electric hammer according to any one of claims 1 to 4, characterized in that: the pressing block is provided with a first tooth-shaped surface, and one surface of the scale, which is in contact with the pressing block, is provided with a second tooth-shaped surface meshed with the first tooth-shaped surface.
6. The punching depth adjusting device for an electric hammer according to claim 5, wherein: the pressing handle is provided with a through hole, the pressing handle rotates by taking the through hole as a circle center, and a first fixing piece for connecting the pressing handle and the handle support is arranged in the through hole.
7. The punching depth adjusting device for an electric hammer according to claim 6, wherein: the pressing block is provided with a second circumferential hole, the pressing block rotates by taking the second circumferential hole as a circle center, and a second fixing piece connected between the pressing block and the handle support is arranged in the second circumferential hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211064666.4A CN117656006A (en) | 2022-09-01 | 2022-09-01 | Punching depth adjusting device for electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211064666.4A CN117656006A (en) | 2022-09-01 | 2022-09-01 | Punching depth adjusting device for electric hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117656006A true CN117656006A (en) | 2024-03-08 |
Family
ID=90077668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211064666.4A Pending CN117656006A (en) | 2022-09-01 | 2022-09-01 | Punching depth adjusting device for electric hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117656006A (en) |
-
2022
- 2022-09-01 CN CN202211064666.4A patent/CN117656006A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination |