CN222308731U - Drill chuck assembly and disassembly tools - Google Patents
Drill chuck assembly and disassembly tools Download PDFInfo
- Publication number
- CN222308731U CN222308731U CN202420107071.0U CN202420107071U CN222308731U CN 222308731 U CN222308731 U CN 222308731U CN 202420107071 U CN202420107071 U CN 202420107071U CN 222308731 U CN222308731 U CN 222308731U
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- clamping block
- sleeve
- wall
- handle
- drill chuck
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Links
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000003825 pressing Methods 0.000 abstract description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Gripping On Spindles (AREA)
Abstract
本实用新型涉及一种钻夹头拆装工具，包括圆柱环状的套筒，套筒一侧的筒壁上成型有圆弧形的插口，插口内插设有圆弧型的夹持块，夹持块的两侧分别与插口的两侧壁设有间隙；所述的夹持块上插接固定有销轴，销轴的两端插设在套筒上；所述套筒的一侧设有手柄，手柄固接在夹持块的外壁上。本工具的手柄采用了杠杆原理，能提供较大的扭矩，为夹持块提供足够的压持作用力，从而使用者通过较小的作用力就方便钻夹头上钻头的安装和拆卸。
The utility model relates to a drill chuck disassembly and assembly tool, comprising a cylindrical ring-shaped sleeve, a circular arc-shaped socket formed on the wall of one side of the sleeve, an arc-shaped clamping block inserted in the socket, and gaps between the two sides of the clamping block and the two side walls of the socket respectively; a pin shaft is inserted and fixed on the clamping block, and the two ends of the pin shaft are inserted on the sleeve; a handle is provided on one side of the sleeve, and the handle is fixed on the outer wall of the clamping block. The handle of the tool adopts the principle of a lever, which can provide a large torque and provide sufficient pressing force for the clamping block, so that the user can easily install and remove the drill bit on the drill chuck with a small force.
Description
Technical field:
The utility model relates to the technical field of drill chuck dismounting devices, in particular to a drill chuck dismounting tool.
The background technology is as follows:
The drill chuck is mainly used for household direct current and alternating current electric drills. The greatest advantage is that the locking is easy, and the clamping head can be used only by holding the front sleeve and the rear sleeve of the clamping head and screwing the clamping head. According to the internal structure of the drill chuck, the electric drill suitable for use is different. The prior drill chucks comprise a drill chuck sleeve, an inner clamping head of the drill chuck sleeve and a positioning sleeve sleeved on the upper part of the drill chuck sleeve, wherein a gear ring is formed on the lower end face of the positioning sleeve, a plurality of positioning holes are formed on the outer wall of the drill chuck sleeve, the inner clamping head can be folded and unfolded through rotation of a drill chuck wrench, the structure of the drill chuck wrench comprises a T-shaped handle part, one end of the handle part is provided with a bevel gear-shaped gear head, the tail end of the gear head is provided with a positioning column head, the positioning column head is inserted into the positioning holes of the drill chuck sleeve, the gear head is meshed with the gear ring on the positioning sleeve, the drill chuck is rotated through rotation of the drill chuck wrench, but the gear part of the gear head on the drill chuck wrench is easy to damage, the drill chuck cannot be effectively locked, and the clamping head in the drill chuck wrench cannot provide enough locking force, so that a drill bit can often slide, and therefore a tool capable of effectively locking and unlocking the drill chuck is required to be designed.
The utility model comprises the following steps:
The utility model aims at overcoming the defects of the prior art, and provides a drill chuck dismounting tool, which is convenient for mounting and dismounting a drill bit on the drill chuck by enabling a sleeve and a clamping block to be matched with and clamped by the drill chuck effectively based on the lever acting force of a handle.
The tool comprises a cylindrical annular sleeve, wherein a circular arc-shaped socket is formed in the wall of one side of the sleeve, and circular arc-shaped clamping blocks are inserted into the socket, and gaps are respectively formed between two sides of the clamping blocks and two side walls of the socket;
one side of the sleeve is provided with a handle which is fixedly connected to the outer wall of the clamping block.
Preferably, the inner wall of the clamping block and the inner wall of the sleeve are in the same cylindrical surface.
Preferably, a plurality of movable tooth grooves are formed on the inner wall of the clamping block, dynamic pressure teeth are formed between the movable tooth grooves, a plurality of fixed tooth grooves are formed on the inner wall, opposite to the socket, of the sleeve, and fixed pressure teeth are formed between the fixed tooth grooves.
Preferably, a cylindrical connector is formed on the outer wall of the clamping block, a jack is formed on the connector, and a threaded hole is formed on the bottom surface of the jack;
The handle comprises a cylindrical handle rod, one end of the handle rod, which is close to the clamping block, is inserted into the jack of the connector and is formed with a stud, the stud is in threaded hole of the clamping block in a threaded manner, and the tail end of the stud is pressed against the pin shaft.
Preferably, the diameter of the jack on the connector is equal to the diameter of the handle, and a gap is arranged between the end part of the handle, which is close to one end of the clamping block, and the bottom surface of the jack.
Preferably, the handle rod is inserted with a lengthened handle sleeve, a retainer ring is formed on the inner wall of the lengthened handle sleeve, which is close to one end of the clamping block, the inner wall of the retainer ring is propped against the outer wall of the handle rod, one end, which is far away from the clamping block, of the handle rod is fixedly connected with a round limit stop block opposite to the retainer ring, and the limit stop block is inserted in the lengthened handle sleeve.
Preferably, the length of the lengthened handle sleeve is longer than that of the handle rod, and a rubber seal head is fixedly inserted into one end, far away from the clamping block, of the lengthened handle sleeve;
The diameter of the outer wall of the limit stop is larger than that of the outer wall of the handle.
The utility model has the beneficial effects that:
1. The handle of the tool adopts the lever principle, can provide larger torque and provides enough holding force for the clamping block, so that a user can conveniently install and detach the drill bit on the drill clamping head through smaller acting force.
2. The tool has the advantages of simple and compact structure and relatively low manufacturing cost, and simultaneously, the fault rate and the maintenance cost in the using process can be reduced.
3. The tool can be suitable for drill chucks adapting to different specifications and sizes, and has good universality and adaptability.
4. The tool does not damage the teeth of the drill chuck during use. In contrast to conventional wrenches, the tool of the present invention locks or loosens the drill chuck by applying torque, rather than directly acting on the teeth, thereby avoiding the problem of damage to the teeth.
Description of the drawings:
FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of the front view of the present utility model;
fig. 3 is a schematic view in a side view of the present utility model.
1, A sleeve, 11, a socket, 12, a fixed tooth socket, 2, a clamping block, 21, a connector, 22, an insertion hole, 23, a threaded hole, 24, a movable tooth socket, 3, a handle, 31, a handle rod, 311, a stud, 32, an elongated handle sleeve, 321, a retainer ring, 33, a limit stop, 34, a rubber seal head and 4, a pin shaft.
The specific embodiment is as follows:
The embodiment is shown in figures 1 to 3, and the tool comprises a cylindrical annular sleeve 1, wherein a circular arc-shaped socket 11 is formed on the wall of one side of the sleeve 1, a circular arc-shaped clamping block 2 is inserted into the socket 11, and gaps are respectively arranged between two sides of the clamping block 2 and two side walls of the socket 11, a pin shaft 4 is fixedly inserted into the clamping block 2, and two ends of the pin shaft 4 are inserted into the sleeve 1;
One side of the sleeve 1 is provided with a handle 3, and the handle 3 is fixedly connected to the outer wall of the clamping block 2.
The inner wall of the clamping block 2 and the inner wall of the sleeve 1 are in the same cylindrical surface, and the clamping block 2 is hidden in the sleeve 1 between the clamping block 2 and the non-rotation state, so that the sleeve 1 is conveniently sleeved on the drill clamping head.
The inner wall of the clamping block 2 is provided with a plurality of movable tooth grooves 24, dynamic pressure teeth are formed between the movable tooth grooves 24, the inner wall of the sleeve 1 opposite to the socket 11 is provided with a plurality of fixed tooth grooves 12, fixed pressure teeth are formed between the fixed tooth grooves 12, and the fixed pressure teeth and the dynamic pressure teeth are additionally arranged, so that the friction force between the clamping block 2 and the inner wall of the sleeve 1 and the drill chuck can be improved.
A cylindrical connector 21 is formed on the outer wall of the clamping block 2, a jack 22 is formed on the connector 21, and a threaded hole 23 is formed on the bottom surface of the jack 22;
The handle 3 comprises a cylindrical handle rod 31, one end of the handle rod 31, which is close to the clamping block 2, is inserted into the jack 22 of the connector 21 and is provided with a stud 311 in a molding mode, the stud 311 is in threaded hole 23 of the clamping block 2 in a threaded mode, the tail end of the stud 311 is pressed against the pin shaft 4, the handle rod 31 is fixedly connected with the clamping block 2 in a threaded mode, meanwhile, the fixedly connection between the clamping block 2 and the pin shaft 4 can be realized, and the handle rod 31 is arranged in the connector 21, so that deformation or fracture of the stud 311 can be avoided.
The aperture of the insertion hole 22 on the connector 21 is equal to the diameter of the handle rod 31, and a gap is arranged between the end part of the handle rod 31, which is close to one end of the clamping block 2, and the bottom surface of the insertion hole 22.
The handle rod 31 is inserted with an elongated handle sleeve 32, a retainer ring 321 is formed on the inner wall of the elongated handle sleeve 32, which is close to one end of the clamping block 2, the inner wall of the retainer ring 321 is propped against the outer wall of the handle rod 31, one end, which is far away from the clamping block 2, of the handle rod 31 is fixedly connected with a round limit stop 33 opposite to the retainer ring 321, the limit stop 33 is inserted into the elongated handle sleeve 32, the main body of the limit stop 33 is round, one end face is provided with a screw rod, the other end is provided with a limit counter bore, the limit stop 33 is fixedly connected with the handle rod 31 in a threaded manner, and the handle 3 can be a telescopic structure formed by the handle rod 31 and the elongated handle sleeve 32.
The length of the lengthened handle sleeve 32 is longer than that of the handle rod 31, and a rubber seal head 34 is fixedly inserted into one end of the lengthened handle sleeve 32, which is far away from the clamping block 2;
the diameter of the outer wall of the limit stop 33 is larger than the diameter of the outer wall of the shank 31.
The utility model is a tool for disassembling and assembling a drill chuck, when the tool is used, a sleeve 1 of the tool is sleeved on the drill chuck, then a handle 3 is rotated by one hand, a clamping block 2 is driven by the other hand to rotate to extend out of the inner wall of the positioning sleeve 1, the positioning sleeve 1 and the clamping block 2 are pressed against the outer wall of the drill chuck by matching with the inner wall of the positioning sleeve 1 (the positioning sleeve 1, the clamping block 2 and the drill chuck are connected together mainly through friction force), then the sleeve 1 is released, the handle 3 and the clamping block 2 are in a lever structure by pressing the handle 3, a pin shaft 4 is a fulcrum on the lever, and a relatively large moment can be generated by relatively small acting force, so that the drill chuck is loosened and locked, and the drill chuck is convenient to install and disassemble.
The examples are presented to illustrate the utility model and are not intended to limit the utility model. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model is therefore set forth in the appended claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420107071.0U CN222308731U (en) | 2024-01-17 | 2024-01-17 | Drill chuck assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420107071.0U CN222308731U (en) | 2024-01-17 | 2024-01-17 | Drill chuck assembly and disassembly tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222308731U true CN222308731U (en) | 2025-01-07 |
Family
ID=94100535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420107071.0U Active CN222308731U (en) | 2024-01-17 | 2024-01-17 | Drill chuck assembly and disassembly tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222308731U (en) |
-
2024
- 2024-01-17 CN CN202420107071.0U patent/CN222308731U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |