CN112692769B - Special-shaped combination tool of adjustable ratchet wrench - Google Patents
Special-shaped combination tool of adjustable ratchet wrench Download PDFInfo
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- CN112692769B CN112692769B CN202011505545.XA CN202011505545A CN112692769B CN 112692769 B CN112692769 B CN 112692769B CN 202011505545 A CN202011505545 A CN 202011505545A CN 112692769 B CN112692769 B CN 112692769B
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- tooth mouth
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- sleeve
- sleeving
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000003044 adaptive effect Effects 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 4
- 241000309551 Arthraxon hispidus Species 0.000 claims description 3
- 206010066054 Dysmorphism Diseases 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/16—Handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The application provides an adjustable ratchet wrench special-shaped combination tool, which can meet the operation of bolt knobs of different types by utilizing a self-adaptive clamp capable of adjusting the clamping caliber. Meanwhile, the unidirectional rotating mechanism can continuously apply unidirectional torsion in a small angle range, and is suitable for operation in narrow space. The operating rod assembly can change the operating direction for a plurality of times, and is suitable for different working scenes.
Description
Technical Field
The application relates to the technical field of assembly tools, in particular to an adjustable special-shaped combination tool for a ratchet wrench.
Background
The narrow operation space makes the tool rotation moment of installing and removing little, and the shielding of various operation cabinets makes the staff unable accurate positioning operation position, and traditional tool of installing and removing can't satisfy the specification of the equipment connecting piece of multiple model. The time for selecting the spanner tool is too long due to different manufacturers; the operation space behind the transformer substation is narrow, so that the torque of a spanner is insufficient, and the operation is inconsistent. Because equipment shielding exists, the position is installed and removed in a way that vision blind areas exist and cannot be positioned accurately.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
Therefore, the technical problem to be solved by the application is to overcome the defect that the operation of the wrench in the prior art is easy to be limited by space, so as to provide an adjustable ratchet wrench special-shaped combination tool which can adapt to different spaces.
In order to solve the technical problems, the application provides the following technical scheme: the utility model provides an adjustable ratchet spanner dysmorphism combination tool, includes the clamp mouth subassembly, includes cup joints head, self-adaptation clamp and biasing piece are located in the cup joints the head, self-adaptation clamp is equipped with the tooth mouth piece that the biasing piece contacted, the tooth mouth piece is driven by the biasing piece along cup joints the radial movement of head;
the rotating assembly comprises a rotating groove arranged in the sleeving head part and a unidirectional rotating mechanism connected with the self-adaptive clamp, and the unidirectional rotating mechanism comprises a driving mechanism for driving the self-adaptive clamp to rotate in one direction in the sleeving head part;
the operation rod assembly is connected with the clamping opening assembly and comprises an operation handle connected to one side of the sleeving head, the operation handle comprises a plurality of operation arms, a turning structure is arranged between the operation arms, and the turning structure comprises a first adjusting shaft and a second adjusting shaft which are vertically distributed.
As a preferable scheme of the adjustable ratchet wrench special-shaped combination tool, the application comprises the following steps: the tooth mouth piece is provided with an inclined plane which is contacted with the biasing piece, the biasing member moves axially along the socket head relative to the mouthpiece.
As a preferable scheme of the adjustable ratchet wrench special-shaped combination tool, the application comprises the following steps: the self-adaptive clamp further comprises a retainer, the tooth mouthpieces are slidably arranged on the retainer through a radial moving structure, and at least four tooth mouthpieces are distributed on the retainer along the annular shape.
As a preferable scheme of the adjustable ratchet wrench special-shaped combination tool, the application comprises the following steps: the offset piece is a lifting sleeve which is movably arranged on the retainer along the axial direction, and one end edge of the lifting sleeve is contacted with the inclined plane on the tooth mouth piece; the lifting sleeve is in threaded connection with the outer wall of the retainer.
As a preferable scheme of the adjustable ratchet wrench special-shaped combination tool, the application comprises the following steps: the tooth mouth piece is close to the center of the sleeving head, and a magnetic piece is arranged on one side of the tooth mouth piece, which faces the center of the sleeving head with the same polarity.
As a preferable scheme of the adjustable ratchet wrench special-shaped combination tool, the application comprises the following steps: the rotating groove is an annular hollow groove formed on the inner wall of the sleeving head part, and the unidirectional rotating mechanism is arranged in the rotating groove; the socket joint head and the self-adaptive clamp are provided with openings.
As a preferable scheme of the adjustable ratchet wrench special-shaped combination tool, the application comprises the following steps: the unidirectional rotation mechanism comprises a ratchet sleeve and a sliding lock, the ratchet sleeve is arranged on the outer side of the self-adaptive clamp, a plurality of ratchets are formed on the ratchet sleeve, and the sliding lock is arranged in a sleeved head part on one side of the ratchet sleeve.
As a preferable scheme of the adjustable ratchet wrench special-shaped combination tool, the application comprises the following steps: the sliding lock is characterized in that a deflection chamber is arranged in the sleeve joint head, a ratchet is arranged on one side, close to the ratchet sleeve, of the sliding lock, a smooth guide part is arranged on one side, away from the ratchet sleeve, of the sliding lock, and a guide surface is arranged on one side wall, close to the guide part, of the deflection chamber.
As a preferable scheme of the adjustable ratchet wrench special-shaped combination tool, the application comprises the following steps: the guide surface comprises a pushing surface and a pressing surface which are respectively positioned at two ends of the sliding lock, a spring is further arranged in the deflection chamber, the spring is in contact with the sliding lock, and a force moving towards the pushing surface is applied to the sliding lock.
As a preferable scheme of the adjustable ratchet wrench special-shaped combination tool, the application comprises the following steps: the outside inboard of cup jointing the head is equipped with the connector, the connector with be equipped with the diversion structure between the operation arm.
The application has the beneficial effects that: the application provides an adjustable ratchet wrench special-shaped combination tool, which can meet the operation of bolt knobs of different types by utilizing a self-adaptive clamp capable of adjusting the clamping caliber. Meanwhile, the unidirectional rotating mechanism can continuously apply unidirectional torsion in a small angle range, and is suitable for operation in narrow space. The operating rod assembly can change the operating direction for a plurality of times, and is suitable for different working scenes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of the overall structure of an adjustable ratchet wrench profile combination tool;
FIG. 2 is a schematic structural view of a nip assembly;
FIG. 3 is a schematic structural view of an adaptive clamp;
FIG. 4 is a schematic view of a unidirectional rotation mechanism;
FIG. 5 is a schematic structural view of the lever assembly;
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Example 1
The present embodiment provides an adjustable ratchet wrench special-shaped combination tool, which has a structure shown in fig. 1 to 5 and comprises a clamping port assembly 100, a rotating assembly 200 and an operating rod assembly 300.
The jaw assembly 100 comprises a socket head 110, an adaptive clamp 120 and a biasing member 130, and is used for sleeving a clamping bolt, the adaptive clamp 120 and the biasing member 130 are arranged in the socket head 110, the adaptive clamp 120 is provided with a jaw 121 contacted by the biasing member 130, and the jaw 121 is driven by the biasing member 130 to move along the radial direction of the socket head 110. The adaptive clamp 120 may vary the size of the clamping port to accommodate different types of bolts.
The rotating assembly 200 includes a rotating groove 112 provided in the socket head 110, and a unidirectional rotating mechanism 210 connected to the adaptive clamp 120, wherein the unidirectional rotating mechanism 210 drives the adaptive clamp 120 to rotate in one direction in the socket head 110. The rotating assembly 200 is used to achieve unidirectional continuous rotation over a small range.
The operating lever assembly 300 provides power for the rotating assembly 200, is convenient to operate, is connected with the clamping assembly, and comprises an operating handle connected to one side of the sleeving head 110, the operating handle comprises a plurality of operating arms 310, a turning structure 320 is arranged between the operating arms 310, and the turning structure 320 comprises a first adjusting shaft 321 and a second adjusting shaft 322 which are vertically distributed.
The adjustable ratchet wrench special-shaped combination tool provided by the embodiment can meet the operation of bolt knobs of different types by utilizing the self-adaptive clamp 120 capable of adjusting the clamping caliber. The unidirectional rotation mechanism 210 is arranged at the same time, can continuously apply unidirectional torsion in a small angle range, and is suitable for operation in narrow space. The operation lever assembly 300 can change the operation direction for many times, and is suitable for different working scenes.
Specifically, as shown in fig. 2, the mouthpiece 121 in this embodiment is disposed inside the socket head 110, a slope 121a is formed on the mouthpiece 121, and the slope 121a contacts the biasing member 130, and the biasing member 130 moves along the axial direction of the socket head 110 relative to the mouthpiece 121. The axial movement of the biasing member 130 is utilized to force the teeth 121 to move along the radial direction of the socket head 110, so that the simultaneous adjustment of a plurality of teeth 121 can be realized, and the size of the clamping mouth can be accurately clamped.
Specifically, as shown in fig. 3, the adaptive clamp 120 further includes a holder 122, the teeth 121 are slidably disposed on the holder 122 by a radial moving structure, four teeth 121 are distributed on the holder 122 along a ring shape, each tooth 121 can have a clamping surface facing the center of the socket head 110, and an included angle between the moving directions of two adjacent teeth 121 is 120 degrees.
As shown in fig. 3, the retainer 122 in this embodiment is an annular sleeve disposed inside the socket head 110, on which a plurality of channels for moving the mouthpiece 121 are formed along the radial opening 111, the inclined surface 121a of the mouthpiece 121 is close to the edge of the annular sleeve, and the biasing member 130 is a lifting sleeve 131 movably disposed on the retainer 122 along the axial direction, and one end edge of the lifting sleeve 131 is in contact with the inclined surface 121a of the mouthpiece 121; the lifting sleeve 131 is in threaded connection with the outer wall of the retainer 122.
Specifically, the threads are disposed on the inner wall of the elevating sleeve 131 and the outer wall of the holder 122, and the inclination angle of the threads is less than 30 degrees, so that a self-locking effect can be formed, and the elevating sleeve 131 is prevented from automatically rotating by the reaction force of the mouthpiece 121, so that the position of the mouthpiece 121 is kept stable.
Meanwhile, in order to allow the mouthpiece 121 to be automatically expanded, a magnetic member is provided at a side of the mouthpiece 121 near the center of the socket head 110, the magnetic members face the center of the socket head 110 with the same polarity, and the mouthpiece 121 is expanded outwards by using the homopolar repulsive characteristic.
As shown in fig. 2 and 3, the rotating groove 112 is an annular hollow groove formed on the inner wall of the socket head 110, and the unidirectional rotating mechanism 210 is disposed in the rotating groove 112; the socket head 110 and the adaptive clamp 120 are provided with openings 111. Providing the opening 111 allows the jaw assembly 100 to be mounted to a bolt of an elongated rod, increasing the serviceability of the jaw assembly 100.
As shown in fig. 4, the unidirectional rotation mechanism 210 in this embodiment includes a ratchet sleeve 211 and a slide lock 212, the ratchet sleeve 211 is disposed around the outer side of the adaptive clamp 120, a plurality of ratchet teeth are formed on the ratchet sleeve, and the slide lock 212 is disposed in the socket head 110 on one side of the ratchet sleeve 211. When the lever assembly 300 rotates the socket head 110 in one direction, the slide lock 212 engages the ratchet sleeve, driving the ratchet sleeve and the adaptive clamp 120 to rotate together, thereby transmitting torque to the bolt. When lever assembly 300 is rotated in the reverse direction, slide lock 212 is disengaged from the ratchet sleeve, and at this time, the interior of socket head 110 and adaptive clamp 120 are rotated relative to each other, so that the bolt and adaptive clamp 120 remain in place, and lever assembly 300 returns to the original position for the next knob.
By providing a unidirectional rotation structure, the lever assembly 300 can be continuously rotated in a reciprocating manner within a small angle while continuously applying the same direction of torsion to the adaptive clamp 120, thereby achieving the purpose of unidirectional knob, and being suitable for operation in a narrow position.
Specifically, as shown in fig. 4, a deflection chamber 114 is provided in the joint portion in this embodiment, a ratchet is provided on a side of the slide lock 212 close to the ratchet sleeve 211, a smooth guiding portion 212a is provided on a side away from the ratchet sleeve 211, and a guiding surface is provided on a side wall of the deflection chamber 114 close to the guiding portion 212 a.
The guide surface includes a pushing surface 114a and a pressing surface 114b at both ends of the slide lock 212, respectively, and when the lever assembly 300 needs to apply a torsion force, the pressing surface 114b approaches the slide lock 212 so that the slide lock 212 is engaged with the ratchet sleeve. When the operating lever needs to be reset reversely, the space at the pushing surface 114a is suitable for separating the sliding lock 212 from the ratchet sleeve, so that the sliding lock 212 can be driven to move back. Meanwhile, a spring 212b is further provided in the deflection chamber 114, and the spring 212b contacts the slide lock 212 and applies a force to the slide lock 212 to move in the direction of the abutment surface 114 a.
As shown in fig. 5, in this embodiment, a connector 113 is disposed on the outer inner side of the socket head 110, and a direction-changing structure 320 is disposed between the connector 113 and the operation arm 310. The first adjusting shaft 321 is a rotating shaft perpendicular to the length direction of the operating arms 310, rotating discs are arranged at the end parts of two adjacent operating arms 310, and the two discs are hinged to form the first adjusting shaft 321, so that the adjacent operating arms 310 can rotate in a horizontal plane. The second adjusting shaft 322 is a horizontal rotating shaft provided at the end of the operating arm 310, wherein a protruding block for installing the rotating shaft protrudes from the end of one operating arm 310, and a yielding groove and a rotating groove for installing the end of the rotating shaft are correspondingly provided on the other operating arm 310. The second rotation axis allows rotation between adjacent operating arms 310 in a vertical plane, thereby changing the length of the lever assembly 300.
By providing two perpendicular adjustment shafts, adjustment of the position and direction between adjacent operating arms 310 is achieved to accommodate different operating spaces.
It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the application, or those not associated with practicing the application).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (3)
1. An adjustable ratchet spanner dysmorphism combination tool which characterized in that: comprising the steps of (a) a step of,
the jaw assembly (100) comprises a sleeving head (110), an adaptive clamp (120) and a biasing piece (130), wherein the adaptive clamp (120) and the biasing piece (130) are arranged in the sleeving head (110), the adaptive clamp (120) is provided with a tooth mouth piece (121) contacted with the biasing piece (130), and the tooth mouth piece (121) moves along the radial direction of the sleeving head (110) under the driving of the biasing piece (130);
the rotating assembly (200) comprises a rotating groove (112) arranged in the sleeving head (110) and a unidirectional rotating mechanism (210) connected with the self-adaptive clamp (120), and the unidirectional rotating mechanism (210) drives the self-adaptive clamp (120) to rotate in one direction in the sleeving head (110);
the operating rod assembly (300) is connected with the chuck assembly and comprises an operating handle connected to one side of the sleeving head (110), the operating handle comprises a plurality of operating arms (310), a turning structure (320) is arranged between the operating arms (310), and the turning structure (320) comprises a first adjusting shaft (321) and a second adjusting shaft (322) which are vertically distributed;
the tooth mouth piece (121) is provided with an inclined surface (121 a), the inclined surface (121 a) is in contact with the biasing piece (130), and the biasing piece (130) moves relative to the tooth mouth piece (121) along the axial direction of the sleeving head (110);
the self-adaptive clamp (120) further comprises a retainer (122), the tooth mouth pieces (121) are slidably arranged on the retainer (122) through a radial moving structure, and at least four tooth mouth pieces (121) are distributed on the retainer (122) along the ring shape;
the biasing piece (130) is a lifting sleeve (131) which is movably arranged on the retainer (122) along the axial direction, and one end edge of the lifting sleeve (131) is contacted with an inclined surface (121 a) on the tooth mouth piece (121); the lifting sleeve (131) is in threaded connection with the outer wall of the retainer (122); the threads are arranged on the inner wall of the lifting sleeve (131) and the outer wall of the retainer (122), the inclination angle of the threads is smaller than 30 degrees, a self-locking effect can be formed, and the counter force of the tooth mouth piece (121) is prevented from enabling the lifting sleeve (131) to automatically rotate so as to keep the position of the tooth mouth piece (121) stable; meanwhile, in order to enable the tooth mouth piece (121) to automatically expand, a magnetic piece is arranged on one side of the tooth mouth piece (121) close to the center of the sleeving head (110), the magnetic pieces face the center of the sleeving head (110) in the same polarity, and the tooth mouth piece (121) can expand outwards by utilizing the characteristic of homopolar repulsion;
a magnetic part is arranged on one side of the tooth mouth piece (121) close to the center of the sleeving head part (110), and the magnetic parts face the center of the sleeving head part (110) in the same polarity;
the rotating groove (112) is an annular hollow groove formed on the inner wall of the sleeving head (110), and the unidirectional rotating mechanism (210) is arranged in the rotating groove (112); openings (111) are formed in the sleeving head (110) and the self-adaptive clamp (120);
the unidirectional rotation mechanism (210) comprises a ratchet sleeve (211) and a sliding lock (212), the ratchet sleeve (211) is annularly arranged on the outer side of the self-adaptive clamp (120), a plurality of ratchets are formed on the ratchet sleeve, and the sliding lock (212) is arranged in a sleeved head (110) at one side of the ratchet sleeve (211);
the sliding lock is characterized in that a deflection chamber (114) is arranged in the sleeve joint head (110), a ratchet is arranged on one side, close to the ratchet sleeve (211), of the sliding lock (212), a smooth guide part (212 a) is arranged on one side, far away from the ratchet sleeve (211), of the sliding lock, and a guide surface is arranged on one side wall, close to the guide part (212 a), of the deflection chamber (114).
2. The adjustable ratchet wrench special-shaped combination tool according to claim 1, wherein: the guide surface comprises a pushing surface (114 a) and a pressing surface (114 b) which are respectively positioned at two ends of the sliding lock (212), a spring (212 b) is further arranged in the deflection chamber (114), the spring (212 b) is in contact with the sliding lock (212), and a force moving towards the pushing surface (114 a) is applied to the sliding lock (212).
3. The adjustable ratchet wrench special-shaped combination tool according to claim 2, wherein: the outer inner side of the sleeving head part (110) is provided with a connector (113), and a turning structure (320) is arranged between the connector (113) and the operating arm (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505545.XA CN112692769B (en) | 2020-12-18 | 2020-12-18 | Special-shaped combination tool of adjustable ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505545.XA CN112692769B (en) | 2020-12-18 | 2020-12-18 | Special-shaped combination tool of adjustable ratchet wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112692769A CN112692769A (en) | 2021-04-23 |
| CN112692769B true CN112692769B (en) | 2023-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011505545.XA Active CN112692769B (en) | 2020-12-18 | 2020-12-18 | Special-shaped combination tool of adjustable ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112692769B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230344B (en) * | 2020-10-29 | 2022-05-13 | 贵州电网有限责任公司 | Modular fiber connector plug instrument |
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