CN221314019U - Adjustable wrench - Google Patents
Adjustable wrench Download PDFInfo
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- CN221314019U CN221314019U CN202322872589.1U CN202322872589U CN221314019U CN 221314019 U CN221314019 U CN 221314019U CN 202322872589 U CN202322872589 U CN 202322872589U CN 221314019 U CN221314019 U CN 221314019U
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- clamp body
- fixed
- adjustable
- worm
- wrench
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- 230000005540 biological transmission Effects 0.000 claims description 55
- 210000000080 chela (arthropods) Anatomy 0.000 description 12
- 241000282693 Cercopithecidae Species 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model provides an adjustable spanner which comprises a fixed clamp body and an adjustable clamp body, wherein semicircular guide rails are respectively arranged on the fixed clamp body and the adjustable clamp body, arc worm wheel sections are movably arranged on the guide rails of the two clamp bodies in a guiding manner, bayonets for being matched with nuts or bolt heads are arranged on the concave sides of the arc worm wheel sections, the adjustable clamp body is hinged to the fixed clamp body, and a lock catch for locking the fixed clamp body and the movable clamp body is arranged between the swing sides of the movable clamp body and the fixed clamp body. The adjustable wrench provided by the utility model effectively solves the technical problem that the fixed wrench body and the movable wrench body on the adjustable wrench in the prior art are inconvenient to operate due to the fact that the wrench is opened and closed in a mode of adjusting the worm and the rack.
Description
Technical Field
The utility model relates to an adjustable wrench, and belongs to the technical field of wrenches.
Background
In the oil extraction process, due to the characteristic of thermal recovery, under the influence of reasons such as sand production, wax precipitation, low temperature and the like, the phenomenon of polished rod hysteresis of the oil pumping well motor easily occurs, so that the phenomenon of belt burnout is more frequent. In the prior art, the base of the pumping well motor needs to be detached from the slide rail before replacement so as to adjust the wheelbase between the motors, the base of the motor is fixed on the slide rail through a bolt and a nut, and in the actual operation process, the disassembling of the nut or the bolt head has some problems, specifically: because the position that nut or bolt head are located shelters from the thing more for the sleeve of electric spanner on the market can't direct suit on corresponding nut or bolt head, need operating personnel to operate spanner from the side clamping of nut or bolt head, manual dismantlement of accomplishing nut or bolt head, and manual dismantlement is comparatively laborious and inefficiency, seriously influences the operation progress.
In order to solve the problems, a movable wrench is disclosed in Chinese patent application publication No. 2018.04.27 and CN 107962519A, and comprises a fixed wrench body and a movable wrench body, wherein semicircular guide rails are respectively arranged on the fixed wrench body and the movable wrench body, arc worm wheel sections are movably arranged on the guide rails of the two wrench bodies in a guiding manner, a bayonet used for being matched with a nut or a bolt head is arranged on the concave side of each arc worm wheel section, a rack is arranged on the movable wrench body, an installation hole for inserting the rack is formed in the fixed wrench body, an adjusting worm meshed with the rack is arranged on one side of the installation hole, the fixed wrench body and the movable wrench body can be controlled to be separated or buckled through rotating the adjusting worm, when the fixed wrench body and the movable wrench body are buckled, circular guide rails are formed on the guide rails of the two wrench bodies, the arc worm wheel sections on the two wrench bodies jointly enclose a worm wheel body in the circumferential direction, a driving worm is rotatably arranged on the fixed wrench body, and the driving worm is meshed with the arc worm wheel sections on the guide rails of the fixed wrench body; during the use, rotate and adjust worm and separate fixed pincers body and movable pincers body, place the nut or the bolt head that wait to dismantle between each arc worm wheel section through the interval department between fixed pincers body and the movable pincers body, then rotate and adjust worm and make fixed pincers body and movable pincers body lock, bayonet socket on each arc worm wheel section and the nut or the bolt head that wait to dismantle form the cooperation this moment, then operate and drive the worm rotation in order to drive each arc worm wheel section and rotate on circular guide rail, and then accomplish the dismantlement of nut or bolt head, rotate at last and adjust the worm and make fixed pincers body and movable pincers body separation, take out monkey wrench from dismantling the position.
The adjustable spanner can solve the technical problems of labor-consuming and low efficiency of manually disassembling the nut or the bolt head, but has some problems in the actual use process, specifically: because each arc worm wheel section moves on the guide rail formed by the joint enclosing of the fixed clamp body and the movable clamp body, after the disassembly of the nut or the bolt head is completed, one part of the arc worm wheel section is possibly positioned on the guide rail of the fixed clamp body, the other part of the arc worm wheel section is positioned on the guide rail of the movable clamp body, the fixed clamp body and the movable clamp body cannot be normally separated at the moment, and a certain damping exists in the matching mode of adjusting the worm and the rack, so that an operator cannot accurately judge the reason that the fixed clamp body and the movable clamp body cannot be separated, a certain inconvenience is brought to the operation, and the working efficiency is further influenced.
Disclosure of utility model
The utility model aims to provide an adjustable wrench, which solves the technical problem that in the prior art, the fixed wrench body and the movable wrench body on the adjustable wrench are inconvenient to operate due to the fact that the wrench is opened and closed in a mode of adjusting the worm and the rack.
The adjustable spanner adopts the following technical scheme:
The adjustable spanner comprises a fixed clamp body and an adjustable clamp body, semicircular guide rails are respectively arranged on the fixed clamp body and the adjustable clamp body, an arc worm gear section is movably mounted on the guide rails of the two clamp bodies in a guiding manner, a bayonet used for being matched with a nut or a bolt head is arranged on the concave side of the arc worm gear section, the adjustable clamp body is hinged to the fixed clamp body, and a lock catch used for locking the fixed clamp body and the movable clamp body is arranged between the swing side of the movable clamp body and the fixed clamp body.
The adjustable spanner has the beneficial effects that the novel adjustable spanner is provided after the improvement of the existing adjustable spanner, when the adjustable spanner is used, the lock catch is firstly released to separate the fixed clamp body from the movable clamp body, the nut or the bolt head to be disassembled is placed between the arc-shaped worm wheel sections through the interval between the fixed clamp body and the movable clamp body, then the fixed clamp body and the movable clamp body are buckled, at the moment, the bayonet on each arc-shaped worm wheel section is matched with the nut or the bolt head to be disassembled, the fixed clamp body and the movable clamp body are locked through the lock catch, then the driving worm in the fixed clamp body is operated to rotate so as to drive each arc-shaped worm wheel section to rotate on the guide rails of the two clamp bodies, the disassembly of the nut or the bolt head is completed, and finally the lock catch is released to separate the fixed clamp body from the movable clamp body, and the adjustable spanner is taken out from the disassembly position; compared with the adjustable spanner in the prior art, the adjustable spanner has the advantages that the movable clamp body is hinged to the fixed clamp body, the damping is smaller when the movable clamp body swings in normal operation, when one part of the arc-shaped worm wheel section is arranged on the guide rail of the fixed clamp body, and the other part of the arc-shaped worm wheel section is arranged on the guide rail of the movable clamp body, an operator can immediately and accurately judge the position of the arc-shaped worm wheel section, and then the operation of the movable clamp body is facilitated by rotating the driving worm; in addition, compared with the matching mode of the worm and the rack, the hinge structure is higher in operation efficiency, and the working efficiency can be effectively improved.
Further, a transmission rod is rotatably arranged in the fixed clamp body, the transmission rod and a driving worm in the fixed clamp body are coaxially arranged, one end of the transmission rod is in transmission connection with the driving worm, and the other end of the transmission rod is provided with a transmission structure and extends out of the fixed clamp body so as to be in transmission connection with power equipment.
The beneficial effects are that: when the worm is used, the power equipment is in transmission connection with the transmission structure at the end part of the transmission rod, and the worm is driven to rotate through the transmission rod, so that the worm is convenient to use and maintain.
Further, one of the transmission rod and the driving worm is provided with a rotation stopping block, the other one of the transmission rod and the driving worm is provided with a rotation stopping hole for inserting the rotation stopping block, and the transmission rod is in transmission connection with the driving worm through the rotation stopping block and the rotation stopping hole.
The beneficial effects are that: during installation, the transmission rod is in butt joint with the driving worm, so that the rotation stopping block is inserted into the rotation stopping hole, the installation is convenient, and the transmission is stable.
Further, the transmission structure is a regular hexagonal prism.
The beneficial effects are that: because electric spanner portability is better, so power equipment adopts electric spanner more, and the sleeve on the electric spanner output is mostly interior hexagonal cover, establishes the transmission structure into regular hexagonal prism can improve monkey spanner's suitability.
Further, the lock catch comprises a clamping hook fixed on one of the fixed clamp body and the movable clamp body and a hanging buckle hinged on the other of the fixed clamp body and the movable clamp body. The lock catch formed by the hook and the hanging buckle assembled in a hinged mode has the advantages of being convenient to operate and simple in structural part.
Further, a bearing is arranged in the fixed clamp body, and the driving worm is rotatably arranged in the fixed clamp body through the bearing.
The beneficial effects are that: this arrangement allows for smoother rotation of the drive worm in the fixed jaw body.
Further, the bearing is a thrust bearing, and at least one of the bearings is arranged at each of two ends of the driving worm.
The beneficial effects are that: the thrust bearings are arranged at the two ends of the worm to fix the driving worm so as to prevent the driving worm from axially moving to damage the device; in addition, the thrust bearing can bear larger axial force, and the use effect is better.
Further, when the fixed clamp body and the movable clamp body are fastened and fixed, the bayonet of each arc-shaped worm gear section on the fixed clamp body and the movable clamp body jointly enclose a regular hexagon hole in the circumferential direction.
The beneficial effects are that: the nut or the bolt head to be detached is a regular hexagonal prism, and the bayonet of each arc-shaped worm wheel section is surrounded into a regular hexagonal hole in the circumferential direction, so that the fit is more stable.
Drawings
Fig. 1 is a schematic view of an adjustable spanner according to the embodiment 1 of the present utility model.
The names of the corresponding components in the figures are:
100. A movable clamp body; 101. fixing the clamp body; 102. an arc-shaped worm gear section; 103. a bayonet; 104. a hinge structure; 105. locking; 106. driving a worm; 107. a transmission rod; 108. a transmission structure; 109. a thrust bearing.
Detailed Description
The present utility model is described in further detail below with reference to examples.
Example 1 of the monkey wrench of the present utility model:
As shown in fig. 1, the adjustable wrench provided in this embodiment includes a fixed wrench body 101 and a movable wrench body 100, the movable wrench body 100 is hinged on the fixed wrench body 101 through a hinge structure 104, and a lock catch 105 for locking the swing side of the movable wrench body 100 and the fixed wrench body 101 is provided between them. The fixed clamp body 101 and the movable clamp body 100 are respectively provided with semicircular guide rails, the guide rails of the two clamp bodies are respectively provided with an arc-shaped worm wheel section 102 in a guiding and movable mode, the concave side of the arc-shaped worm wheel section 102 is provided with a bayonet 103 matched with a nut or a bolt head, the fixed clamp body 101 is rotatably provided with a driving worm 106, and the driving worm 106 is meshed and transmitted with the arc-shaped worm wheel section 102 on the guide rails of the fixed clamp body 101.
Specifically, as shown in fig. 1, a section of arc worm wheel section 102 is movably mounted on each guide rail of the movable clamp body 100 and the fixed clamp body 101, when the two clamp bodies are fastened and fixed, the guide rails on the two clamp bodies are butted to form a circular guide rail, the two arc worm wheel sections 102 rotate on the circular guide rail under the driving of the driving worm 106, and the bayonet 103 of each arc worm wheel section 102 on the fixed clamp body 101 and the movable clamp body 100 jointly enclose a regular hexagon hole in the circumferential direction.
In this embodiment, as shown in fig. 1, in order to make the driving worm 106 rotate more smoothly, a bearing is installed in the fixed jaw 101, and the driving worm 106 is rotatably installed in the fixed jaw 101 through the bearing. In addition, in order to prevent the drive worm 106 from axially moving to damage the device, the bearings are thrust bearings 109, and one is disposed at each end of the drive worm 106.
In this embodiment, as shown in fig. 1, a transmission rod 107 is rotatably installed in the fixed wrench body 101, the transmission rod 107 is coaxially arranged with the driving worm 106, one end of the transmission rod 107 is in transmission connection with the driving worm 106, the other end is provided with a transmission structure 108 and extends out of the fixed wrench body 101 for transmission connection with a power device, and because the portability of the electric wrench is better, the power device adopts an electric wrench, and the sleeve on the output end of the electric wrench is mostly an inner hexagonal sleeve, so the transmission structure 108 is a regular hexagonal prism.
In this embodiment, a rotation stop block is disposed at one end of the transmission rod 107 connected to the driving worm 106, a rotation stop hole into which the rotation stop block is inserted is disposed on the driving worm 106, and the transmission rod 107 is in transmission connection with the driving worm 106 through the rotation stop block and the rotation stop hole.
The structure of the lock catch 105 is the prior art (only the position is shown in the figure), and adopts the structure form of the combination of the hook and the hanging buckle, specifically, the hook is fixed at one end of the fixed clamp body 101 far away from the hook and the movable inlay, the hook is turned over towards the outer side of the fixed clamp body, the hanging buckle is in a ring shape, specifically, the shape of a tear drop is hinged at the corresponding end of the movable inlay 100, and when the hook is turned over to be hung with the hook, the locking between the fixed clamp body and the movable inlay can be realized. The use process of the adjustable wrench provided by the embodiment is as follows, when in use, firstly, the lock catch 105 is unlocked to separate the fixed wrench body 101 from the adjustable wrench body 100, nuts or bolt heads to be disassembled are placed between the arc-shaped worm wheel sections 102 through the interval between the fixed wrench body 101 and the adjustable wrench body 100, then the fixed wrench body 101 and the adjustable wrench body 100 are buckled, at the moment, the bayonet 103 on each arc-shaped worm wheel section 102 is matched with the nuts or bolt heads to be disassembled, the fixed wrench body 101 and the adjustable wrench body 100 are locked through the lock catch 105, then the power equipment is in transmission connection with the transmission structure 108 at the end part of the transmission rod 107, the power equipment drives the worm 106 to rotate through the transmission rod 107, drives the worm 106 to rotate and drives each arc-shaped worm wheel section 102 to rotate on the guide rails of the two wrench bodies, the disassembly of the nuts or the bolt heads is completed, and finally, the lock catch 105 is unlocked to separate the fixed wrench body 101 and the adjustable wrench body from the disassembly position; compared with the adjustable wrench in the prior art, in the adjustable wrench of the embodiment, the movable wrench body 100 is hinged on the fixed wrench body 101, the damping is smaller when the movable wrench body 100 swings during normal operation, when one part of the arc-shaped worm wheel section 102 is on the guide rail of the fixed wrench body 101, and the other part of the arc-shaped worm wheel section is on the guide rail of the movable wrench body 100, an operator can immediately and accurately judge, and then the position of the arc-shaped worm wheel section 102 is adjusted by rotating the driving worm 106, so that the operation of the movable wrench body 100 is facilitated; in addition, compared with the matching mode of the worm and the rack, the hinge structure 104 has higher operation efficiency, and can effectively improve the working efficiency.
Example 2 of the monkey wrench of the present utility model:
The difference between this embodiment and embodiment 1 is that in embodiment 1, when the fixed pincer body and the movable pincer body are fastened and fixed, the bayonet of each arc-shaped worm gear section on the fixed pincer body and the movable pincer body together enclose a regular hexagon hole in the circumferential direction. In this embodiment, when the fixed clamp body and the movable clamp body are fastened and fixed, the bayonet of each arc-shaped worm gear section on the fixed clamp body and the movable clamp body together enclose a square hole in the circumferential direction. When in use, the hole walls on the opposite sides of the square holes are in rotation-stopping fit with the outer peripheral surface of the nut or the bolt head to be disassembled.
Example 3 of the monkey wrench of the present utility model:
This embodiment is different from embodiment 1 in that in embodiment 1, thrust bearings are arranged one at each end of the drive worm. In this embodiment, two thrust bearings are disposed at each end of the drive worm. Or the thrust bearing can be arranged at one end of the driving worm only, and the other end of the fixed clamp body corresponding to the driving worm is provided with a limiting step so as to prevent the driving worm from axially moving.
Example 4 of the monkey wrench of the present utility model:
The present embodiment is different from embodiment 1 in that in embodiment 1, a bearing is installed in the fixed jaw body, and a worm is rotatably installed in the fixed jaw body through the bearing. In this embodiment, the fixed clamp body is not provided with a bearing, the fixed clamp body is provided with a rotating seat, and the driving worm is rotatably installed in the fixed clamp body through the rotating seat.
Example 5 of the monkey wrench of the present utility model:
The difference between this embodiment and embodiment 1 is that in embodiment 1, the transmission structure is a regular hexagonal prism. In this embodiment, the transmission structure is a cube, the output end of the power device is provided with a square hole for the cube to be inserted, and the transmission structure is connected with the output end of the power device through the cube and the square Kong Chuandong.
Example 6 of the monkey wrench of the present utility model:
The difference between this embodiment and embodiment 1 is that in embodiment 1, a rotation stop block is disposed at one end of the transmission rod connected to the driving worm, and a rotation stop hole into which the rotation stop block is inserted is disposed on the driving worm. In this embodiment, a rotation stopping hole is formed at one end of the transmission rod connected with the driving worm, and a rotation stopping block for being inserted into the rotation stopping hole is formed on the driving worm.
Example 7 of the monkey wrench of the present utility model:
The present embodiment is different from embodiment 1 in that in embodiment 1, a transmission rod is also rotatably installed in the worm housing, and the driving worm is in transmission connection with the power equipment through the transmission rod. In this embodiment, the worm housing is not provided with a transmission rod, and the power device is directly connected with the driving worm in a transmission manner.
The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The adjustable spanner comprises a fixed clamp body and an adjustable clamp body, semicircular guide rails are respectively arranged on the fixed clamp body and the adjustable clamp body, an arc worm gear section is movably mounted on the guide rails of the two clamp bodies in a guiding mode, a bayonet used for being matched with a nut or a bolt head is arranged on the concave side of the arc worm gear section, and the adjustable spanner is characterized in that the adjustable clamp body is hinged to the fixed clamp body, and a lock catch used for locking the fixed clamp body and the movable clamp body is arranged between the swing side of the movable clamp body and the fixed clamp body.
2. The adjustable spanner according to claim 1, wherein a transmission rod is rotatably mounted in the fixed clamp body, the transmission rod is coaxially arranged with a driving worm in the fixed clamp body, one end of the transmission rod is in transmission connection with the driving worm, and the other end of the transmission rod is provided with a transmission structure and extends out of the fixed clamp body for transmission connection with the power equipment.
3. The adjustable spanner according to claim 2, wherein one of the transmission rod and the driving worm is provided with a rotation stopping block, the other one is provided with a rotation stopping hole for inserting the rotation stopping block, and the transmission rod is in transmission connection with the driving worm through the rotation stopping block and the rotation stopping hole.
4. The adjustable spanner of claim 2 wherein the drive structure is a regular hexagonal prism.
5. The adjustable spanner of any one of claims 1-4 wherein said latch comprises a catch secured to one of the fixed and movable clamp bodies and a catch hinged to the other of the fixed and movable clamp bodies.
6. The adjustable spanner according to any one of claims 1-4, wherein a bearing is mounted in the fixed jaw body, and the driving worm is rotatably mounted in the fixed jaw body through the bearing.
7. The adjustable spanner according to claim 6, wherein the bearing is a thrust bearing, and at least one is disposed at each end of the driving worm.
8. The adjustable spanner according to any one of claims 1-4, wherein when the fixed clamp body and the movable clamp body are fastened in a butt-buckling manner, bayonets of the arc-shaped worm wheel sections on the fixed clamp body and the movable clamp body jointly enclose a regular hexagonal hole in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322872589.1U CN221314019U (en) | 2023-10-25 | 2023-10-25 | Adjustable wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322872589.1U CN221314019U (en) | 2023-10-25 | 2023-10-25 | Adjustable wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221314019U true CN221314019U (en) | 2024-07-12 |
Family
ID=91806393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322872589.1U Active CN221314019U (en) | 2023-10-25 | 2023-10-25 | Adjustable wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221314019U (en) |
-
2023
- 2023-10-25 CN CN202322872589.1U patent/CN221314019U/en active Active
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