CN216504761U - Monkey wrench with quick tail adjustment opening function - Google Patents
Monkey wrench with quick tail adjustment opening function Download PDFInfo
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- CN216504761U CN216504761U CN202122585637.XU CN202122585637U CN216504761U CN 216504761 U CN216504761 U CN 216504761U CN 202122585637 U CN202122585637 U CN 202122585637U CN 216504761 U CN216504761 U CN 216504761U
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Abstract
The adjustable wrench with the rapid tail adjusting opening function comprises a fixed wrench lip, an adjustable wrench lip and a handle, wherein a round shaft hole is formed in the upper portion of the fixed wrench lip, the adjustable wrench lip is movably mounted in the round shaft hole, a worm hole is formed in the fixed wrench lip, a rotatable worm is mounted in the worm hole, a small transmission bevel gear is mounted on the worm, a front knob hole is formed in the fixed wrench lip below the worm, a front knob is arranged in the front knob hole, a large transmission bevel gear is arranged at the upper end of the front knob, the lower end of the front knob is connected with the top end of a rotatable transmission shaft mounted in the handle, a rear knob hole is formed in the bottom end of the handle, a rear knob is arranged in the rear knob hole, and the rear knob is connected with the bottom end of the transmission shaft. The wrench opening size adjusting device has the advantages that the clamping and releasing speed during the size adjustment of the wrench opening is greatly increased, the wrench opening size adjusting device can be used in places where the opening is inconvenient to adjust in narrow spaces, the operation is convenient, time and labor are saved, the requirement for the use space is reduced, the time is saved, and the working efficiency is improved.
Description
The technical field is as follows:
the utility model relates to the technical field of manual hardware tools, in particular to an adjustable wrench with a function of quickly adjusting an opening at the tail part.
The background art comprises the following steps:
the adjustable wrench is a manual bolt and nut fastening tool, saves labor and is fast in the using process, has the characteristics of simple structure, convenience in operation and strong practicability, is a wrench which is widely applied at present, and can be used by workers in the fields of engineering construction, equipment maintenance, installation and the like.
The structure of the common adjustable wrench mainly comprises a fixed wrench lip, an adjustable wrench lip, a worm wheel, a shaft pin and a handle, and the size of a wrench opening can be adjusted by rotating the worm wheel of the adjustable wrench. The following problems are encountered in the process of fastening bolts and nuts by using a common adjustable wrench: firstly, when bolts and nuts with different specifications are encountered in the assembling and disassembling process, the transmission ratio of a worm wheel and a movable wrench lip of a common adjustable wrench is 1:1, so that the wrench opening adjusting and clamping and loosening speed is slow, and the working efficiency is low; secondly, when operating in narrow and small space, the hand can't stretch into the space and rotate the worm wheel, only can take out the monkey spanner from narrow and small space repeatedly and operate, wastes time and energy, and hardly calibrates the size of pulling the mouth with bolt, nut, greatly increased the work degree of difficulty.
In conclusion, how to realize the quick adjustment of the size of the wrench opening of the adjustable wrench in a narrow space becomes a technical problem to be solved urgently in the industry.
The utility model has the following contents:
in order to make up for the defects of the prior art, the utility model provides the adjustable wrench with the function of quickly adjusting the opening at the tail part, solves the problems of troublesome operation, time and labor waste when the size of the wrench opening is adjusted in a narrow space by the conventional adjustable wrench, reduces the requirement on the use space, saves the time and improves the working efficiency.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the adjustable wrench with the rapid tail adjusting opening function comprises a fixed wrench lip, an adjustable wrench lip and a handle, wherein a round shaft hole is formed in the upper portion of the fixed wrench lip, the adjustable wrench lip is movably mounted in the round shaft hole, a worm hole is formed in the fixed wrench lip, a rotatable worm is mounted in the worm hole, the worm is in meshing transmission with a transmission gear at the lower end of the adjustable wrench lip, a small transmission bevel gear is mounted on the worm, a front knob hole is formed in the fixed wrench lip below the worm, a front knob is arranged in the front knob hole, a large transmission bevel gear is arranged at the upper end of the front knob, the large transmission bevel gear is in meshing transmission with the small transmission bevel gear, the lower end of the front knob is connected with the top end of a rotatable transmission shaft mounted in the handle, a rear knob hole is formed in the bottom end of the handle, a rear knob is arranged in the rear knob hole, and the rear knob is connected with the bottom end of the transmission shaft.
The inner end of the worm is movably arranged at the inner end of the worm hole, the outer end of the worm hole is provided with a plug, and the outer end of the worm movably penetrates through the middle hole of the plug.
The front knob and the large transmission bevel gear are integrally formed, the front knob is provided with knurling patterns, two sides of the front knob extend to the outer side of a front knob hole, the lower end of the front knob is provided with a clamping groove, and the top end of the transmission shaft is provided with a flat key matched with the clamping groove.
The transmission ratio between the large transmission bevel gear and the small transmission bevel gear is less than or equal to 4.
The handle is internally provided with a groove, the transmission shaft is rotatably arranged in the groove, the outer side of the groove is provided with a cover plate, and the cover plate is fixedly connected with the handle through a flat-headed rivet.
The transmission shaft is provided with a plurality of limiting tables, and the transmission shaft is provided with a limiting groove matched with the limiting tables and used for limiting the transmission shaft to move up and down.
The rear knob is provided with knurling patterns, and two sides of the rear knob extend to the outer side of the rear knob hole.
By adopting the scheme, the utility model has the following beneficial effects:
by arranging the large transmission bevel gear and the small transmission bevel gear, the transmission ratio between the large transmission bevel gear and the small transmission bevel gear is less than or equal to 4, the clamping and releasing speed during the size adjustment of the wrench opening is greatly increased, and the working efficiency is improved; through setting up preceding knob and back knob, realize the quick clamp through two kinds of modes and press from both sides tightly, can be used to inconvenient regulation open-ended place in the narrow and small space, convenient operation, labour saving and time saving has reduced the requirement to the usage space, has practiced thrift the time, has improved work efficiency.
Description of the drawings:
fig. 1 is a schematic front view of the present invention.
Fig. 2 is a left side view structural diagram of the present invention.
Fig. 3 is a schematic structural view of a transmission shaft, a front knob and a rear knob in the present invention.
FIG. 4 is a schematic structural view of a worm, a plug and a small transmission bevel gear in the present invention.
FIG. 5 is a schematic structural view of the present invention in a narrow space.
In the figure, 1, a fixed pull lip, 2, a movable pull lip, 3, a handle, 4, a round shaft hole, 5, a worm hole, 6, a worm, 7, a transmission gear, 8, a small transmission bevel gear, 9, a front knob hole, 10, a front knob, 11, a large transmission bevel gear, 12, a transmission shaft, 13, a rear knob hole, 14, a rear knob, 15, a plug, 16, a clamping groove, 17, a flat key, 18, a cover plate, 19, a flat head rivet, 20, a limiting platform, 21 and a limiting groove.
The specific implementation mode is as follows:
in order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
With reference to the embodiment shown in fig. 1-5, the adjustable wrench with the function of fast tail adjustment opening comprises a fixed wrench lip 1, an adjustable wrench lip 2 and a handle 3, wherein a circular shaft hole 4 is formed in the upper portion of the fixed wrench lip 1, the adjustable wrench lip 2 is movably mounted in the circular shaft hole 4, a worm hole 5 is formed in the fixed wrench lip 1, a rotatable worm 6 is mounted in the worm hole 5, the worm 6 is in meshing transmission with a transmission tooth 7 at the lower end of the adjustable wrench lip 2, a small transmission bevel gear 8 is mounted on the worm 6, a front knob hole 9 is formed in the fixed wrench lip 1 below the worm 6, a front knob 10 is arranged in the front knob hole 9, a large transmission bevel gear 11 is arranged at the upper end of the front knob 10, the large transmission bevel gear 11 is in meshing transmission with the small transmission bevel gear 8, the lower end of the front knob 10 is connected with the top end of a rotatable transmission shaft 12 mounted in the handle 3, the bottom end of the handle 3 is provided with a rear knob hole 13, a rear knob 14 is arranged in the rear knob hole 13, the rear knob hole 13 can protect the rear knob 14 inside, the rear knob 14 is prevented from losing functions due to stress when falling, and the rear knob 14 is connected with the bottom end of the transmission shaft 12.
The inner end of the worm 6 is movably arranged at the inner end of the worm hole 5, the outer end of the worm hole 5 is provided with the plug 15, the plug 15 is fastened with the worm hole 5 in a threaded connection mode to limit the worm 6, the outer end of the worm 6 movably penetrates through the middle hole of the plug 15, and the worm 6 can rotate in the worm hole 5.
The front knob 10 and the large transmission bevel gear 11 are integrally formed, the front knob 10 is provided with knurling patterns, two sides of the front knob 10 extend to the outer side of the front knob hole 9 to facilitate hand operation and rotation, the lower end of the front knob 10 is provided with a clamping groove 16, the top end of the transmission shaft 12 is provided with a flat key 17 matched with the clamping groove 16, and the transmission shaft 12 can drive the front knob 10 to rotate through the matching of the flat key 17 and the clamping groove 16.
The transmission ratio between the large transmission bevel gear 11 and the small transmission bevel gear 8 is less than or equal to 4, the large transmission bevel gear 11 rotates for one circle, and the small transmission bevel gear 8 rotates for four circles, so that the moving speed of the movable wrench lip 2 is greatly increased, and the clamping and loosening speed during the size adjustment of the wrench opening is increased.
The handle 3 is internally provided with a groove, the transmission shaft 12 is rotatably arranged in the groove, the outer side of the groove is provided with a cover plate 18, the cover plate 18 is fixedly connected with the handle 3 through a flat-head rivet 19, and the cover plate 18 is opened to facilitate the installation of the transmission shaft 12.
A plurality of limiting tables 20 are arranged in the grooves, and limiting grooves 21 matched with the limiting tables 20 are formed in the transmission shaft 12 and used for limiting the transmission shaft 12 to move up and down.
The back knob 14 is provided with knurling patterns, and two sides of the back knob 14 extend to the outer side of the back knob hole 13, so that the hand operation rotation is facilitated.
The working principle is as follows:
the quick clamping can be realized through two modes, one mode is that a front knob 10 is directly screwed by a hand, the front knob 10 drives a large transmission bevel gear 11 to synchronously rotate, the large transmission bevel gear 11 is in meshing transmission with a small transmission bevel gear 8, the large transmission bevel gear 11 drives the small transmission bevel gear 8 to rotate, the small transmission bevel gear 8 is fixed on a worm 6, so the small transmission bevel gear 8 drives the worm 6 to rotate, the worm 6 is in meshing transmission with a transmission tooth 7 at the lower end of a movable wrench lip 2, the worm 6 drives the movable wrench lip 2 to move in a circular shaft hole 4 to adjust the size of a wrench opening, and the transmission ratio between the large transmission bevel gear 11 and the small transmission bevel gear 8 is less than or equal to 4, so the moving speed of the movable wrench lip 2 is greatly accelerated, and the adjusting speed of the size of the wrench opening is accelerated. The other is that when the operation is carried out in a narrow space, because the hand can not extend into the space to rotate the worm 6, at the moment, the rear knob 14 can be screwed outside the narrow space, the rear knob 14 drives the transmission shaft 12 to rotate, the transmission shaft 12 drives the front knob 10 to rotate, the front knob 10 drives the large transmission bevel gear 11 to synchronously rotate, the large transmission bevel gear 11 drives the small transmission bevel gear 8 to rotate, the small transmission bevel gear 8 drives the worm 6 to rotate, the worm 6 drives the adjustable wrench lip 2 to move to adjust the size of the wrench opening, the operation is convenient, the time and the labor are saved, the requirement on the use space is reduced, the time is saved, and the working efficiency is improved.
The above-described embodiments should not be construed as limiting the scope of the utility model, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (7)
1. The adjustable wrench with the function of quickly adjusting the opening at the tail comprises a fixed pulling lip, an adjustable pulling lip and a handle, wherein a round shaft hole is formed in the upper portion of the fixed pulling lip, and the adjustable pulling lip is movably arranged in the round shaft hole, and is characterized in that: the adjustable wrench is characterized in that a worm hole is formed in the fixed wrench lip, a rotatable worm is installed in the worm hole, the worm is in meshing transmission with transmission teeth at the lower end of the movable wrench lip, a small transmission bevel gear is installed on the worm, a front knob hole is formed in the fixed wrench lip below the worm, a front knob is arranged in the front knob hole, a large transmission bevel gear is arranged at the upper end of the front knob, the large transmission bevel gear is in meshing transmission with the small transmission bevel gear, the lower end of the front knob is connected with the top end of a rotatable transmission shaft installed in the handle, a rear knob hole is formed in the bottom end of the handle, a rear knob is arranged in the rear knob hole, and the rear knob is connected with the bottom end of the transmission shaft.
2. The adjustable wrench with the quick tail adjustment opening function as claimed in claim 1, wherein: the inner end of the worm is movably arranged at the inner end of the worm hole, the outer end of the worm hole is provided with a plug, and the outer end of the worm movably penetrates through the middle hole of the plug.
3. The adjustable wrench with the quick tail adjustment opening function as claimed in claim 1, wherein: the front knob and the large transmission bevel gear are integrally formed, the front knob is provided with knurling patterns, two sides of the front knob extend to the outer side of a front knob hole, the lower end of the front knob is provided with a clamping groove, and the top end of the transmission shaft is provided with a flat key matched with the clamping groove.
4. The adjustable wrench with the quick tail adjustment opening function as claimed in claim 1, wherein: the transmission ratio between the large transmission bevel gear and the small transmission bevel gear is less than or equal to 4.
5. The adjustable wrench with the quick tail adjustment opening function as claimed in claim 1, wherein: the handle is internally provided with a groove, the transmission shaft is rotatably arranged in the groove, the outer side of the groove is provided with a cover plate, and the cover plate is fixedly connected with the handle through a flat-headed rivet.
6. The adjustable wrench with the quick tail adjustment opening function as claimed in claim 5, wherein: the transmission shaft is provided with a plurality of limiting tables, and the transmission shaft is provided with a limiting groove matched with the limiting tables and used for limiting the transmission shaft to move up and down.
7. The adjustable wrench with the quick tail adjustment opening function as claimed in claim 1, wherein: the rear knob is provided with knurling patterns, and two sides of the rear knob extend to the outer side of the rear knob hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122585637.XU CN216504761U (en) | 2021-10-26 | 2021-10-26 | Monkey wrench with quick tail adjustment opening function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122585637.XU CN216504761U (en) | 2021-10-26 | 2021-10-26 | Monkey wrench with quick tail adjustment opening function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216504761U true CN216504761U (en) | 2022-05-13 |
Family
ID=81524919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122585637.XU Active CN216504761U (en) | 2021-10-26 | 2021-10-26 | Monkey wrench with quick tail adjustment opening function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216504761U (en) |
-
2021
- 2021-10-26 CN CN202122585637.XU patent/CN216504761U/en active Active
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