CN210359503U - Four-groove round handle hexagonal connecting rod - Google Patents
Four-groove round handle hexagonal connecting rod Download PDFInfo
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- CN210359503U CN210359503U CN201921267437.6U CN201921267437U CN210359503U CN 210359503 U CN210359503 U CN 210359503U CN 201921267437 U CN201921267437 U CN 201921267437U CN 210359503 U CN210359503 U CN 210359503U
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Abstract
The utility model provides a four-groove round handle hexagonal extension rod, which can realize that a hexagonal square handle electric hammer drill bit and other hexagonal square handle hardware tools are used under the condition that the chuck of an electric hammer is four grooves, and can save cost while not reducing the construction speed; the hexagonal square handle locking device comprises a handle and a rod body, wherein the handle and the rod body are of an integral structure, a hexagonal groove matched with a hexagonal square handle is formed in the end part of the rod body, the hexagonal square handle locking device also comprises a self-locking assembly used for locking the hexagonal square handle in the hexagonal groove, and the self-locking assembly is sleeved with the rod body; the surface of the rod handle is provided with a clamping groove corresponding to the four-groove chuck of the electric hammer.
Description
Technical Field
The utility model relates to an electric hammer drill bit technical field indicates a four groove round handle commentaries on classics hexagonal and connects pole especially.
Background
The hard alloy electric hammer drill bit main body adopts high-quality alloy steel, is matched with various electric hammers for use, is suitable for drilling on hard materials such as concrete, bricks and the like, and is a drilling tool with wide application and high efficiency in the building and installation industries.
The chuck of current electric hammer is mostly four grooves, is applicable to the electric hammer drill bit of pressing from both sides tight four groove round handles, nevertheless increases along with the in service behavior of hexagonal square shank electric hammer drill bit, needs additionally to purchase the electric hammer of hexagonal chuck for the cost can sharply rise, slows down construction speed.
Disclosure of Invention
In order to solve the problem, the utility model provides a four groove round handle commentaries on classics hexagonal connects pole can realize using hexagonal square handle electric hammer drill bit in the chuck of electric hammer is under the condition of four grooves, still can not slow down construction speed when practicing thrift the cost.
In order to achieve the above object, the utility model adopts the following technical scheme: a four-groove round handle hexagonal connecting rod comprises a rod handle and a rod body, wherein the rod handle and the rod body are of an integral structure, a hexagonal groove matched with a hexagonal square handle is formed in the end part of the rod body, the four-groove round handle hexagonal connecting rod further comprises a self-locking assembly used for locking the hexagonal square handle in the hexagonal groove, and the self-locking assembly is sleeved with the rod body; the surface of the rod handle is provided with a clamping groove corresponding to the four-groove chuck of the electric hammer.
Specifically, the centre gripping groove includes two waist grooves and two straight flute, two straight flutes extend to the terminal surface of pole handle and are relative along the pole handle is radial, two waist grooves are relative along the pole handle is radial, waist groove and straight flute interval distribution.
Specifically, the auto-lock subassembly is including the cover body, reset spring, ball, the cover body movably cover is established outside the pole body, reset spring one end offsets with set internal wall of body, and the reset spring other end offsets with the external wall of the body of rod, the ball hole has been seted up to the lateral wall of the body of rod, the ball is arranged in the ball is downthehole, the ball can imbed the downthehole locking groove laminating with on the hexagonal square shank of ball under the drive of the cover body.
Specifically, the waist groove is a semicircular groove body, and the straight groove is a trapezoidal groove body.
Specifically, the inner wall of the cover body is equipped with first annular step and second annular step along the pole handle towards the body of rod direction in proper order, the internal diameter of first annular step matches with the external diameter of the body of rod, the internal diameter of second annular step is greater than the internal diameter of first annular step, the outer wall of the body of rod is equipped with the boss, reset spring's both ends offset with first annular step and boss respectively.
Specifically, the tip of the body of rod is equipped with ring groove, be equipped with the jump ring in the ring groove, and the jump ring just is to the terminal surface of the second annular step of the cover body.
The beneficial effects of the utility model reside in that: the utility model is provided with the clamping groove corresponding to the four-groove chuck on the rod handle, the hexagonal groove is arranged at the end part of the rod body, the electric hammer drill with the drill handle as the hexagonal square handle is locked in the hexagonal groove through the self-locking component, and the hexagonal square handle electric hammer drill bit is used under the condition that the chuck of the electric hammer is four grooves, so that the construction speed can not be slowed down while the cost is saved; in addition, still can cooperate the hardware and tools of hexagonal square handle and use, pass through the auto-lock subassembly closure with the handle of a drill of the hardware and tools of hexagonal square handle in the hexagonal groove, realize utilizing the electric hammer to use hexagonal square handle hardware and tools, improve hexagonal square handle hardware and tools's availability factor.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a cross-sectional view of the rod body of the present invention.
Fig. 3 is a cross-sectional view of the self-locking assembly of the present invention.
Fig. 4 is a bottom view of the handle of the present invention.
Fig. 5 is a plan view of the rod body of the present invention.
The reference numbers illustrate: 1. a stem; 11. a straight groove; 12. a waist groove; 2. a rod body; 21 a hexagonal groove; 22. a ball hole; 23. an annular neck; 3. a self-locking assembly; 31. a sleeve body; 32. a first annular step; 33. a second annular step; 34 a boss; 4. and a ball.
Detailed Description
Referring to fig. 1, the present invention relates to a four-groove round handle hexagonal connection rod, which comprises a rod handle 1 and a rod body 2, wherein the rod handle 1 and the rod body 2 are integrated into a whole, a hexagonal groove 21 matched with a hexagonal square handle is formed at the end of the rod body 2, the present invention further comprises a self-locking assembly 3 for locking the hexagonal square handle in the hexagonal groove 21, and the self-locking assembly 3 is sleeved with the rod body 2; the surface of the rod handle is provided with a clamping groove corresponding to the four-groove chuck of the electric hammer.
The utility model discloses a theory of operation:
when the hexagonal square-handle electric hammer drill bit is used, the drill handle of the hexagonal square-handle electric hammer drill bit is aligned to the hexagonal groove 21 and vertically inserted into the hexagonal groove 21 downwards, the hexagonal square-handle electric hammer drill bit is locked in the hexagonal groove 21 by the self-locking assembly, the rod handle 1 is fixedly connected with a chuck of an electric hammer in a matched mode and is installed on the electric hammer, when the electric hammer rotates, the rod handle 1 and the rod body 2 are driven by the electric hammer to rotate, the hexagonal square-handle electric hammer drill bit is driven by the rod body 2 to rotate, and therefore the hexagonal square-handle electric hammer drill bit is used under the condition that the chuck of the electric hammer is four grooves, cost is saved, and construction speed cannot be reduced; in addition, still can cooperate the hardware and tools of hexagonal square handle and use, pass through the locking closure of auto-lock subassembly 3 in hexagonal groove 21 with the drill holder of the hardware and tools of hexagonal square handle, realize utilizing the electric hammer to use hexagonal square handle hardware and tools, improve hexagonal square handle hardware and tools's availability factor.
Specifically, the clamping grooves comprise two waist grooves 12 and two straight grooves 11, the two straight grooves 11 extend to the end face of the rod handle 1 and are opposite along the radial direction of the rod handle 1, the two waist grooves 12 are opposite along the radial direction of the rod handle, and the waist grooves 12 and the straight grooves 11 are distributed at intervals.
Adopt above-mentioned scheme, the centre gripping groove includes two waist grooves 12 and two straight flutes 11 in this embodiment, be convenient for with the chuck cooperation centre gripping of electric hammer, and two straight flutes 11 extend to the terminal surface of pole handle 1 and along the radial relative of pole handle, two waist grooves 12 are relative along the radial of pole handle 1, waist groove 12 and straight flute 11 interval distribution, can make the chuck of electric hammer more firm when the centre gripping.
Specifically, as preferred embodiment, auto-lock subassembly 3 includes the cover body 31, reset spring, ball 4, the cover body 31 movably cover is established outside the body of rod 2, reset spring one end offsets with the cover body 31 inner wall, and the reset spring other end offsets with the 2 outer walls of the body of rod, ball hole 22 has been seted up to the lateral wall of the body of rod 2, ball 4 is arranged in ball hole 22, ball 4 can inlay in ball hole 22 under the drive of the cover body 31 and the locking groove laminating on the hexagonal square shank.
Adopt above-mentioned scheme, when installation hexagonal square shank electric hammer drill bit, earlier press down cover body 31 to 1 direction of pole handle with the hand, ball 4 can move about to the ball hole 22 outside this moment, vertical insert hexagonal groove 21 in with hexagonal square shank electric hammer drill bit again, locking groove on the hexagonal square shank electric hammer drill bit can laminate with ball hole 22, loosen cover body 31 again, reset spring can drive cover body 31 and reset, under the drive of cover body 31, ball 4 can block in locking groove through ball hole 22, and then be fixed in hexagonal groove 21 with hexagonal square shank electric hammer drill bit, when needs take out hexagonal square shank electric hammer drill bit, earlier press down cover body 31 to 1 direction of pole handle with the hand, ball 4 can move about to the ball hole 22 outside this moment, and then leave the locking groove, again with hexagonal square shank electric hammer drill bit vertical extraction hexagonal groove 21 in, and then with hexagonal square shank electric hammer drill bit and hexagonal groove 21 separation.
Specifically, the waist groove 12 is a semicircular groove body, and the straight groove 11 is a trapezoidal groove body.
Adopt above-mentioned scheme, establish waist groove 12 to semi-circular cell body in this embodiment, establish straight flute 11 to trapezoidal cell body, be convenient for with electric hammer mounting hole and the cooperation of pressing from both sides the cover.
Specifically, the inner wall of the cover body 31 is equipped with first annular step 32 and second annular step 33 along the pole shank 1 in proper order towards the body of rod 2 direction, the internal diameter of first annular step 32 matches with the external diameter of the body of rod 2, the internal diameter of second annular step 33 is greater than the internal diameter of first annular step 32, the outer wall of the body of rod 2 is equipped with boss 34, reset spring's both ends offset with first annular step 32 and boss 34 respectively.
By adopting the scheme, the first annular step 32 and the second annular step 33 are arranged on the inner wall of the sleeve body 31 in the embodiment, when the first annular step 32 is aligned with the ball hole 22, the first annular step 32 is abutted against the ball 4, so that the ball 4 enters the hexagonal groove 21 through the ball hole 22, and the hexagonal square-shank electric hammer drill bit is attached to the locking groove on the hexagonal square shank through the ball 4, and then fixation is realized; when the sleeve 31 moves towards the handle 1, the second annular step 33 is displaced to the position aligned with the ball hole 22, and the inner diameter of the second annular step 33 is larger than that of the first annular step 32, so that a certain displacement space is provided for the ball 4, the ball 4 is retracted to the second annular step 33 along the ball hole 22, and the hexagonal square handle electric hammer drill bit can be conveniently mounted and dismounted.
Specifically, the end of the rod body 2 is provided with an annular clamping groove 23, a clamp spring is arranged in the annular clamping groove 23, and the clamp spring is opposite to the end face of the second annular step 33 of the sleeve body 31.
Adopt above-mentioned scheme, be equipped with the jump ring in this embodiment, the jump ring just faces the terminal surface of the second annular step 33 of cover body 31 for carry out spacing to cover body 31, prevent that cover body 31 from outwards droing under reset spring's effect.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.
Claims (6)
1. The utility model provides a four groove round handle changes hexagonal and connects pole which characterized in that: the hexagonal square handle locking device comprises a handle and a rod body, wherein the handle and the rod body are of an integral structure, a hexagonal groove matched with a hexagonal square handle is formed in the end part of the rod body, the hexagonal square handle locking device also comprises a self-locking assembly used for locking the hexagonal square handle in the hexagonal groove, and the self-locking assembly is sleeved with the rod body; the surface of the rod handle is provided with a clamping groove corresponding to the four-groove chuck of the electric hammer.
2. The four-flute round-shank hexagonal extension rod of claim 1, wherein: the clamping groove comprises two waist grooves and two straight grooves, the two straight grooves extend to the end face of the rod handle and are opposite along the radial direction of the rod handle, the two waist grooves are opposite along the radial direction of the rod handle, and the waist grooves and the straight grooves are distributed at intervals.
3. The four-flute round-shank hexagonal extension rod of claim 1, wherein: the auto-lock subassembly is including the cover body, reset spring, ball, cover body movably cover is established outside the pole body, reset spring one end offsets with set internal wall of cover, and the reset spring other end offsets with the external wall of rod, the ball hole has been seted up to the lateral wall of the body of rod, the ball is arranged in the ball hole, the ball can imbed the ball downthehole and the laminating of locking groove on the hexagonal square handle under the drive of the cover body.
4. The four-flute round-shank hexagonal extension rod of claim 2, wherein: the waist groove is a semicircular groove body, and the straight groove is a trapezoidal groove body.
5. The four-flute round-shank hexagonal extension rod of claim 3, wherein: the inner wall of the sleeve body is sequentially provided with a first annular step and a second annular step along the rod handle towards the rod body direction, the inner diameter of the first annular step is matched with the outer diameter of the rod body, the inner diameter of the second annular step is larger than that of the first annular step, the outer wall of the rod body is provided with a boss, and the two ends of the reset spring respectively abut against the first annular step and the boss.
6. The four-flute round-shank hexagonal extension rod of claim 5, wherein: the end part of the rod body is provided with an annular clamping groove, a clamp spring is arranged in the annular clamping groove, and the clamp spring is opposite to the end face of the second annular step of the sleeve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921267437.6U CN210359503U (en) | 2019-08-06 | 2019-08-06 | Four-groove round handle hexagonal connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921267437.6U CN210359503U (en) | 2019-08-06 | 2019-08-06 | Four-groove round handle hexagonal connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210359503U true CN210359503U (en) | 2020-04-21 |
Family
ID=70249335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921267437.6U Active CN210359503U (en) | 2019-08-06 | 2019-08-06 | Four-groove round handle hexagonal connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210359503U (en) |
-
2019
- 2019-08-06 CN CN201921267437.6U patent/CN210359503U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A four-slot round handle hexagonal extension rod Effective date of registration: 20230320 Granted publication date: 20200421 Pledgee: Bank of China Limited Yueqing Branch Pledgor: FANGDA HOLDING Co.,Ltd. Registration number: Y2023330000559 |