CN223431551U - Caliber-adjustable wrench - Google Patents
Caliber-adjustable wrenchInfo
- Publication number
- CN223431551U CN223431551U CN202422455463.9U CN202422455463U CN223431551U CN 223431551 U CN223431551 U CN 223431551U CN 202422455463 U CN202422455463 U CN 202422455463U CN 223431551 U CN223431551 U CN 223431551U
- Authority
- CN
- China
- Prior art keywords
- gear
- large gear
- clamping strip
- spring
- pinion
- 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.)
- Active
Links
Landscapes
- Gears, Cams (AREA)
Abstract
The wrench with adjustable caliber comprises a large gear, an intermediate gear, small gears, a rotating mechanism and meshing teeth, wherein the large gear is in a ring shape, inner teeth are formed on the inner side of the large gear, the intermediate gear is arranged in the large gear, the intermediate gear and the large gear are coaxially arranged, a plurality of small gears are arranged between the large gear and the intermediate gear and are meshed with the inner teeth of the large gear and the intermediate gear, the rotating mechanism is used for controlling whether the large gear is locked or not, one side of each meshing tooth top is fixedly connected with the small gear through a small gear rotating shaft, and the intermediate gear drives the meshing teeth to rotate through the small gears so as to adjust the caliber formed by the plurality of meshing teeth. According to the utility model, the intermediate rotating shaft drives the intermediate gear to rotate, the intermediate gear drives the pinion to rotate, the pinion drives the meshing teeth to rotate along the pinion rotating shaft through the pinion rotating shaft, the caliber formed by a plurality of meshing teeth is adjusted, and the rapid and accurate adjustment is realized, so that the device is suitable for bolts and nuts with different sizes, and meanwhile, the device is convenient to lift and operate and convenient to carry.
Description
Technical Field
The utility model relates to the technical field of wrenches, in particular to a wrench with an adjustable caliber.
Background
A wrench is a commonly used installation and removal tool, and is a hand tool that uses the principle of leverage to turn bolts, screws, nuts, and other threads to tighten the openings or trepanning fasteners of the bolts or nuts. Wrenches are typically manufactured from structural steel of carbon or alloy material.
When the existing spanner works on bolts or nuts with different sizes, different spanners or spanner heads with different sizes need to be replaced for working, a lot of tools need to be carried, and the operation is time-consuming.
For this purpose, we propose a wrench with adjustable caliber.
Disclosure of utility model
The application aims at the defects in the prior art, and provides a wrench with adjustable caliber, so that an intermediate rotating shaft drives an intermediate gear to rotate, the intermediate gear drives a pinion to rotate, the pinion drives a tooth to rotate along the pinion rotating shaft through the pinion rotating shaft, and the caliber formed by a plurality of teeth is adjusted, so that quick and accurate adjustment is realized, the wrench is suitable for bolts and nuts with different sizes, and meanwhile, the wrench is convenient to lift and operate and convenient to carry.
The technical scheme adopted by the utility model is as follows:
An adjustable diameter wrench, comprising:
The large gear is annular, and the inner side of the large gear is provided with inner teeth;
the intermediate gear is arranged in the large gear and is coaxially arranged with the large gear;
A plurality of pinion gears disposed between the large gear and the intermediate gear and meshed with the inner teeth of the large gear and the intermediate gear;
the rotating mechanism is used for controlling whether the large gear is locked or not;
A plurality of tooth teeth, wherein one side of each tooth top is fixedly connected with a pinion through a pinion rotating shaft;
The intermediate gear drives the meshing teeth to rotate through the pinion gear, so that the caliber formed by a plurality of meshing teeth is adjusted.
It is further characterized by:
the gear wheel is arranged on the partition board, and a shell is arranged on the outer side of the partition board.
The intermediate gear is provided with an intermediate rotating shaft which is rotatably arranged on the partition plate, the intermediate rotating shaft penetrates through the shell, and one end of the intermediate rotating shaft is provided with a handle.
And a clamping groove is formed in the outer side of the large gear.
The rotating mechanism comprises a first clamping strip and a second clamping strip, the first clamping strip and the second clamping strip are respectively arranged on two sides of the large gear, one end of the first clamping strip, which is far away from the large gear, is rotationally connected with the partition board, one end of the second clamping strip, which is far away from the large gear, is rotationally connected with the partition board, and one end of the first clamping strip and one end of the second clamping strip can be rotated into a clamping groove of the large gear.
The first clamping strip and the shell are provided with a first spring, the second clamping strip and the shell are provided with a second spring, the first clamping strip rotates to one side of the large gear through the elasticity of the first spring, and the second clamping strip rotates to one side of the large gear through the elasticity of the second spring.
The rotating piece is arranged between the first clamping strip and the second clamping strip, penetrates through the shell, contacts with the partition plate, and has a friction force with the partition plate and the shell larger than the elastic force of the first spring and the second spring.
The beneficial effects of the utility model are as follows:
The utility model has compact and reasonable structure, convenient operation, and can dial the rotating member to one side, the middle rotating shaft is driven by the handle to rotate, the middle rotating shaft drives the middle gear to rotate, the middle gear drives the pinion to rotate, the pinion drives the big gear to rotate, the pinion drives the meshing teeth to rotate along the pinion rotating shaft through the pinion rotating shaft, the caliber formed by a plurality of meshing teeth is adjusted, after the caliber is properly adjusted, the rotating member is dialed to the middle, the first clamping strip and the second clamping strip are respectively positioned in the clamping groove of the big gear under the elastic force of the first spring and the second spring, the big gear is fixed, the caliber of the combination of the plurality of meshing teeth is further fixed, then the bolt or the nut is operated, the quick and accurate adjustment is realized, the bolt and the nut with different sizes are adapted, and the lifting operation is convenient and the carrying is convenient.
Meanwhile, the utility model has the following advantages:
(1) Under the elastic force action of the first spring, one end of the first clamping strip moves towards one side of the bull gear, under the elastic force action of the second spring, one end of the second clamping strip moves towards one side of the bull gear, one end of the first clamping strip and one end of the second clamping strip are clamped in clamping grooves on two sides of the bull gear, and then the bull gear is limited.
(2) The friction force between the rotating piece and the shell is larger than the elastic force of the first spring and the elastic force of the second spring, when the rotating piece rotates, the rotating piece rotates to one side of the first clamping strip or to one side of the second clamping strip, when the rotating piece rotates to one side of the first clamping strip, the rotating piece drives the first clamping strip to move, one end of the first clamping strip leaves the clamping groove of the large gear, at the moment, one end of the second clamping strip is positioned in the clamping groove of the large gear under the elastic force of the second spring, so that the large gear can rotate to one side of the second clamping strip, and the friction force between the rotating piece and the shell and the elastic force of the second spring are larger than the elastic force of the first spring, so that after the rotating piece is loosened, the rotating piece does not move under the elastic force of the first spring, namely the rotating piece can realize self locking.
Drawings
Fig. 1 is a schematic structural diagram of the present utility model.
Fig. 2 is a schematic structural diagram of the second embodiment of the present utility model.
Fig. 3 is a schematic view of the structure of the present utility model with the handle and housing removed.
Fig. 4 is a schematic view of a pinion and tooth of the present utility model.
Wherein, 1, a handle, 2, a shell, 3, a baffle plate, 4, a large gear, 401, internal teeth, 402, a clamping groove, 5, an intermediate gear, 501, an intermediate rotating shaft, 6, a small gear, 601, a small gear rotating shaft, 7, a tooth, 8, a rotating mechanism, 801, a first clamping strip, 802, a second clamping strip, 803, a first spring, 804, a second spring, 805 and a rotating piece.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1-4, the caliber-adjustable wrench comprises a large gear 4, an intermediate gear 5, a small gear 6, a tooth 7, a rotating mechanism 8 and the like.
The gear wheel 4 is annular, the inner side of the gear wheel 4 is provided with inner teeth 401, the outer side of the gear wheel 4 is provided with clamping grooves 402, the intermediate gear 5 is arranged in the gear wheel 4, the gear wheel 4 and the intermediate gear 5 are coaxially arranged, the inner side of the gear wheel 4 is provided with a plurality of pinion gears 6 on the outer side of the intermediate gear 5, and the pinion gears 6 are meshed with the intermediate gear 5 and the inner teeth 401 of the gear wheel 4. The large gear 4 is arranged on the partition plate 3, the outer side of the partition plate 3 is provided with the shell 2, and the partition plate 3 is also provided with the rotating mechanism 8.
The rotating mechanism 8 comprises a rotating member 805, a first clamping bar 801, a second clamping bar 802, a first spring 803 and a second spring 804, wherein the rotating member 805 penetrates through the shell 2, one end of the rotating member 805 is arranged outside the shell 2, the other end of the rotating member 805 is arranged in the shell 2, and the bottom of the rotating member 2 is in contact with the partition plate 3. The first clamping strip 801 and the second clamping strip 802 are respectively arranged on two sides of the rotating piece 805, one end, away from the large gear 4, of the first clamping strip 801 is rotationally connected with the partition board 3, one end, away from the large gear 4, of the second clamping strip 802 is rotationally connected with the partition board 3, the other end of the first clamping strip 801 and the other end of the second clamping strip 802 can be clamped in the clamping groove 402, a first spring 803 is arranged between the first clamping strip 801 and the shell 2, one end of the first spring 803 is fixedly connected with the first clamping strip 801, a second spring 804 is arranged between the second clamping strip 802 and the shell 2, and one end of the second spring 804 is fixedly connected with the second clamping strip 802.
Under the action of the elasticity of the first spring 803, one end of the first clamping bar 801 moves towards the side of the large gear 4, under the action of the elasticity of the second spring 804, one end of the second clamping bar 802 moves towards the side of the large gear 4, one end of the first clamping bar 801 and one end of the second clamping bar 802 are clamped in clamping grooves 402 on two sides of the large gear 4, further the large gear 4 is limited, friction force between the rotating member 805 and the shell 2 and the partition plate 3 is larger than the elasticity of the first spring 803 and the second spring 804, when the rotating member 805 rotates, the rotating member 805 rotates towards the side of the first clamping bar 801 or towards the side of the second clamping bar 802, when the rotating member 805 rotates towards the side of the first clamping bar 801, the rotating member 805 drives the first clamping bar 801 to move, so that one end of the first clamping bar 801 leaves the clamping groove 402 of the large gear 4, at the moment, one end of the second clamping bar 802 is positioned in the clamping groove 402 of the large gear 4 under the action of the elasticity of the second spring 804, so that the large gear 4 can rotate towards the side of the second clamping bar 802, and the friction force between the rotating member 805 and the shell 2 and the partition plate 3 is larger than the elasticity of the first spring 803, namely the rotating member 803 can not be released.
When the rotating member 805 rotates towards the second clamping bar 802, the rotating member 805 drives the second clamping bar 802 to move, so that one end of the second clamping bar 802 leaves the clamping groove 402 of the large gear 4, at this time, one end of the first clamping bar 801 is located in the clamping groove 402 of the large gear 4 under the action of the elastic force of the first spring 803, so that the large gear 4 can rotate towards the first clamping bar 801. The friction force between the rotary member 805 and the housing 2 and the partition plate 3 is greater than the elastic force of the second spring 804, so that the rotary member 805 does not move under the elastic force of the second spring 804 after the rotary member 805 is released, that is, the rotary member 805 can realize self-locking.
The intermediate gear 5 is provided with an intermediate rotating shaft 501, the intermediate rotating shaft 501 is rotatably arranged on the partition plate 3, the intermediate rotating shaft 501 penetrates through the shell 2, the intermediate rotating shaft 501 is externally arranged on the shell 2, the intermediate rotating shaft 501 is driven to rotate through the handle 1, and the intermediate rotating shaft 501 drives the intermediate gear 5 to rotate.
Pinion 6 is provided with pinion pivot 601, and pinion pivot 601 passes baffle 3, and pinion pivot 601 is provided with tooth 7 below baffle 3, and pinion pivot 601 is connected with the top one end of tooth 7.
The pinion 6 and the tooth 7 may be provided with six, and the outer sides of the tooth 7 are arc-shaped. The handle 1 may be adapted as a sleeve or ratchet, etc.
When the rotary member 805 is shifted to one side, the intermediate rotary shaft 501 is driven to rotate by the handle 1, the intermediate rotary shaft 501 drives the intermediate gear 5 to rotate, the intermediate gear 5 drives the pinion 6 to rotate, the pinion 6 drives the bull gear 4 to rotate, the pinion 6 drives the meshing teeth 7 to rotate along the pinion rotary shaft 601 through the pinion rotary shaft 601, the caliber formed by the meshing teeth 7 is adjusted, after the caliber is properly adjusted, the rotary member 805 is shifted to the middle, the first clamping bar 801 and the second clamping bar 802 are respectively positioned in the clamping groove 402 of the bull gear 4 under the elastic force of the first spring 803 and the second spring 804, the bull gear 4 is fixed, the caliber of the combination of the meshing teeth 7 is further fixed, and then the bolt or the nut is operated.
The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.
Claims (7)
1. An adjustable diameter wrench, comprising:
The large gear (4) is annular, and inner teeth (401) are arranged on the inner side of the large gear (4);
The intermediate gear (5) is arranged in the large gear (4), and the intermediate gear (5) and the large gear (4) are coaxially arranged;
A plurality of pinion gears (6) which are provided between the large gear (4) and the intermediate gear (5) and which mesh with the internal teeth (401) of the large gear (4) and the intermediate gear (5);
a rotation mechanism (8) for controlling whether the large gear (4) is locked;
a plurality of teeth (7), wherein one side of the top of each tooth (7) is fixedly connected with a pinion (6) through a pinion rotating shaft (601);
wherein, the intermediate gear (5) drives the meshing teeth (7) to rotate through the pinion (6), and then the caliber formed by a plurality of meshing teeth (7) is adjusted.
2. The wrench with adjustable caliber according to claim 1, wherein the large gear (4) is arranged on the partition board (3), and the outer side of the partition board (3) is provided with the shell (2).
3. An adjustable diameter wrench as claimed in claim 2, wherein the intermediate gear (5) is provided with an intermediate shaft (501), the intermediate shaft (501) is rotatably arranged on the partition plate (3), the intermediate shaft (501) passes through the housing (2), and a handle (1) is arranged at one end of the intermediate shaft (501).
4. An adjustable diameter wrench as claimed in claim 3, wherein the outside of the gearwheel (4) is provided with a clamping groove (402).
5. The wrench with adjustable caliber according to claim 4, wherein the rotating mechanism (8) comprises a first clamping strip (801) and a second clamping strip (802), the first clamping strip (801) and the second clamping strip (802) are respectively arranged on two sides of the large gear (4), one end, away from the large gear (4), of the first clamping strip (801) is rotationally connected with the partition board (3), one end, away from the large gear (4), of the second clamping strip (802) is rotationally connected with the partition board (3), and one end of the first clamping strip (801) and one end of the second clamping strip (802) can rotate into the clamping groove (402) of the large gear (4).
6. The wrench with adjustable caliber according to claim 5, wherein a first spring (803) is arranged between the first clamping strip (801) and the housing (2), a second spring (804) is arranged between the second clamping strip (802) and the housing (2), the first clamping strip (801) rotates to the side of the large gear (4) through the elasticity of the first spring (803), and the second clamping strip (802) rotates to the side of the large gear (4) through the elasticity of the second spring (804).
7. The wrench with adjustable caliber according to claim 6, wherein a rotating member (805) is disposed between the first clamping strip (801) and the second clamping strip (802), the rotating member (805) passes through the housing (2), the rotating member (805) contacts the partition plate (3), and friction force between the rotating member (805) and the partition plate (3) and between the rotating member and the housing (2) are greater than elastic force of the first spring (803) and the second spring (804).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422455463.9U CN223431551U (en) | 2024-10-10 | 2024-10-10 | Caliber-adjustable wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422455463.9U CN223431551U (en) | 2024-10-10 | 2024-10-10 | Caliber-adjustable wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223431551U true CN223431551U (en) | 2025-10-14 |
Family
ID=97275871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422455463.9U Active CN223431551U (en) | 2024-10-10 | 2024-10-10 | Caliber-adjustable wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223431551U (en) |
-
2024
- 2024-10-10 CN CN202422455463.9U patent/CN223431551U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104827430B (en) | A kind of pneumatic wrench for power industry determine torque force device | |
| CN109926958A (en) | Electric power overhaul Quick power-saving wrench | |
| CN106272189A (en) | A kind of spanner being adapted to different nut diameter | |
| CN113510647A (en) | Nut fastening method of ratchet wrench capable of randomly adjusting opening amount | |
| CN211466177U (en) | Open spanner | |
| CN206123511U (en) | Be adapted to spanner of different nut diameters | |
| CN88204311U (en) | Adjustable torque value spanner | |
| CN221474980U (en) | Automatic tightening wrench | |
| CN222874427U (en) | A new type of forward and reverse adjustable wrench | |
| CN218658744U (en) | Pipe wrench convenient to adjust | |
| CN2194242Y (en) | Ratchet spanner | |
| CN209615333U (en) | A kind of ratchet spanner | |
| CN112171567A (en) | Universal wrench for hexagon bolt | |
| CN209774486U (en) | Anti-loose adjustable wrench | |
| CN221186305U (en) | Small-space screw fastening device | |
| CN221495848U (en) | Special tool device for correcting wrench mechanism | |
| CN216504761U (en) | Monkey wrench with quick tail adjustment opening function | |
| CN219562874U (en) | Improved generation dead wrench | |
| CN212887339U (en) | Adjustable wrench with rotatable tail part having ratchet wrench function | |
| CN222494114U (en) | High-strength combined bolt and nut knob device | |
| CN217152566U (en) | Multifunctional quick bolt pre-tightening device | |
| CN2602878Y (en) | Hand-electric driver wrench | |
| CN223277887U (en) | Novel high-precision torque-adjustable electric wrench | |
| CN220145811U (en) | Chain wrench | |
| CN222177598U (en) | A multifunctional quick bolt fastening device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |