CN216265713U - Chain type wrench stable in locking - Google Patents
Chain type wrench stable in locking Download PDFInfo
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- CN216265713U CN216265713U CN202122612589.9U CN202122612589U CN216265713U CN 216265713 U CN216265713 U CN 216265713U CN 202122612589 U CN202122612589 U CN 202122612589U CN 216265713 U CN216265713 U CN 216265713U
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- chain
- positioning seat
- wrench
- positioning
- chain group
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Abstract
The utility model provides a chain type wrench with stable locking, which comprises a handle and a clamping assembly, wherein the clamping assembly comprises a positioning seat and a chain group arranged on the positioning seat; the chain group comprises a first chain and a second chain, the first chain is symmetrically hinged to two ends of the positioning seat, and two ends of the second chain are connected with the first chain respectively. The utility model relates to a stably locked chain type wrench, wherein a clamping assembly of the wrench consists of a chain group and a positioning seat, a nut can be positioned and locked after the chain group is deformed by rotating a positioning rod on a handle, the wrench has high clamping stability and is not easy to loosen, and the wrench can be suitable for nuts of various shapes or sizes and is more convenient to use compared with the existing wrench.
Description
Technical Field
The utility model relates to the technical field of wrenches, in particular to a chain type wrench with stable locking.
Background
The existing adjustable spanner and fixed spanner have a plurality of specifications, the adjustable spanner of one specification can only be used for locking/loosening the hexagon nut of which the size of two symmetrical hexagonal surfaces of the hexagon nut is smaller than the opening size of the adjustable spanner of the specification, the fixed spanner of one specification can only be used for locking/loosening the hexagon nut of which the size of the two symmetrical hexagonal surfaces of the hexagon nut is the same as the opening size of the fixed spanner of the specification, during equipment installation and equipment maintenance, for the hexagon nuts with various nominal diameters, a plurality of adjustable spanners and fixed spanners of various specifications can meet the requirements, and because the number of the spanners is large, the spanner is heavy, the spanner is hard to carry, and the spanner takes time to find during use, and is very troublesome.
The existing adjustable spanner and fixed spanner can not rotate the handwheel and the polygonal handwheel and the odd angle parts of various valve products, and have the problem of single function, and the existing chain spanner is used for rotating the cylinder part, when rotating the cylinder part, lean on the chain on the cylinder part, rotate the cylinder part by the friction force of the chain and the cylinder part, because the chain is in soft contact with the cylinder part, the chain can not clamp the cylinder part, the chain slips easily when the existing chain spanner rotates the cylinder part, and the effect of rotating the cylinder part is not good. The existing chain wrench is not suitable for locking/loosening the hexagon nut during equipment installation and equipment maintenance.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the technical problem of providing a chain type wrench with stable locking, so as to solve the problem that the wrench in the prior art cannot be suitable for various nuts of different types, so that the wrench is inconvenient to use.
(II) technical scheme
In order to solve the technical problem, the utility model provides a chain type wrench with stable locking, which comprises a handle and a clamping assembly, wherein the clamping assembly comprises a positioning seat and a chain group arranged on the positioning seat; the chain group is composed of a plurality of chains which are hinged with each other, the chains at the two ends of the chain group are respectively hinged with the two ends of the positioning seat, a closed shape is formed by the chain group and the positioning seat in a surrounding mode, the positioning rod can axially move on the positioning seat, and the application range of the chain group can be enlarged by increasing the number of the chains.
Furthermore, the positioning seat is symmetrically provided with mounting tables, the mounting tables are respectively provided with positioning holes, the chain is mounted on the mounting tables and is positioned through the positioning holes, the positioning seat is provided with an internal thread adjusting hole, the positioning rod is provided with an external thread part corresponding to the internal thread adjusting hole, the positioning seat is also symmetrically provided with a stopping part, the chain is abutted against the stopping part, and the stopping part is used for limiting the movement position of the chain; when the chain set is used, the chain set is sleeved on the external nut, the positioning rod is rotated to be pushed up and then abutted against the nut, meanwhile, the chain set is driven to be deformed, then the external nut is locked, and then the nut is screwed in a mode of rotating the handle.
(III) advantageous effects
The utility model relates to a stably locked chain type wrench, wherein a clamping assembly of the wrench consists of a chain group and a positioning seat, a nut can be positioned and locked after the chain group is deformed by rotating a positioning rod on a handle, the wrench has high clamping stability and is not easy to loosen, and the wrench can be suitable for nuts of various shapes or sizes and is more convenient to use compared with the existing wrench.
Drawings
FIG. 1 is a perspective view of a chain wrench with stable locking according to the present invention;
FIG. 2 is a perspective view of the handle, positioning seat and connecting rod of the chain wrench with stable locking according to the present invention;
FIG. 3 is a perspective view of a positioning seat of the chain wrench with stable locking according to the present invention;
fig. 4 is a perspective view of a clamping assembly of the chain wrench with stable locking according to the present invention.
Wherein: 1 is a handle, 2 is a positioning seat, 3 is a positioning rod, 4 is a chain, 5 is a stopping part, 6 is an installation platform, 7 is a positioning hole, 8 is an internal thread adjusting hole, and 9 is an external thread part.
Detailed Description
Referring to fig. 1 to 4, in order to solve the above technical problems, the utility model provides a chain type wrench with stable locking, which comprises a handle 1 and a clamping assembly, wherein the clamping assembly comprises a positioning seat 2 and a chain group installed on the positioning seat 2, a positioning rod 3 is installed on the handle 1, the positioning rod 3 penetrates through the positioning seat 2 and is arranged in the chain group, when a nut is screwed, the chain group is used for being sleeved on the nut, and the positioning rod 3 is abutted against the nut after the positioning rod 3 is rotated through the handle 1, so that the nut is clamped; chain group comprises a plurality of mutual articulated chains 4, and the chain 4 at chain group both ends articulates respectively at the both ends of positioning seat 2, encloses into the closure between chain group and the positioning seat 2, and locating lever 3 can be at positioning seat 2 axial displacement, and is concrete, in this embodiment, through the quantity that increases chain 4, can increase the width of chain group, makes it be applicable to more various nut.
Referring to fig. 2-4, the positioning seat 2 is symmetrically provided with a mounting table 6, the mounting table 6 is provided with positioning holes 7, the chain 4 is mounted on the mounting table 6 and is positioned through the positioning holes 7, the positioning seat 2 is further symmetrically provided with stopping portions 10, the chain 4 abuts against the stopping portions 10, the stopping portions 10 can limit the rotation angle of the end portions of the chain 4, and the chain group is shaped.
The utility model relates to a stably locked chain type wrench, wherein a clamping assembly of the wrench consists of a chain group and a positioning seat, a nut can be positioned and locked after the chain group is deformed by rotating a positioning rod on a handle, the wrench has high clamping stability and is not easy to loosen, and the wrench can be suitable for nuts of various shapes or sizes and is more convenient to use compared with the existing wrench.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a chain formula spanner that closure is stable, includes handle (1) and centre gripping subassembly, its characterized in that: the clamping assembly comprises a positioning seat (2) and a chain group arranged on the positioning seat (2), a positioning rod (3) is arranged on the handle (1), and the positioning rod (3) penetrates through the positioning seat (2) and is arranged in the chain group; the chain group is composed of a plurality of chains (4) which are hinged with each other, the chains (4) at two ends of the chain group are respectively hinged at two ends of the positioning seat (2), the chain group and the positioning seat (2) enclose a closed shape, and the positioning rod (3) can axially move on the positioning seat (2).
2. The chain wrench of claim 1, further comprising: the positioning seat (2) is symmetrically provided with mounting tables (6), the mounting tables (6) are provided with positioning holes (7), and the chain (4) is mounted on the mounting tables (6) and positioned through the positioning holes (7).
3. The chain wrench of claim 1, further comprising: an internal thread adjusting hole (8) is formed in the positioning seat (2), and an external thread portion (9) corresponding to the internal thread adjusting hole (8) is formed in the positioning rod (3).
4. The chain wrench of claim 1, further comprising: the positioning seat (2) is further symmetrically provided with stopping parts (5), and the chain (4) abuts against the stopping parts (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122612589.9U CN216265713U (en) | 2021-10-28 | 2021-10-28 | Chain type wrench stable in locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122612589.9U CN216265713U (en) | 2021-10-28 | 2021-10-28 | Chain type wrench stable in locking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216265713U true CN216265713U (en) | 2022-04-12 |
Family
ID=81071844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122612589.9U Active CN216265713U (en) | 2021-10-28 | 2021-10-28 | Chain type wrench stable in locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216265713U (en) |
-
2021
- 2021-10-28 CN CN202122612589.9U patent/CN216265713U/en active Active
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