CN221111589U - Wrench with changeable bending degree - Google Patents
Wrench with changeable bending degree Download PDFInfo
- Publication number
- CN221111589U CN221111589U CN202323136282.1U CN202323136282U CN221111589U CN 221111589 U CN221111589 U CN 221111589U CN 202323136282 U CN202323136282 U CN 202323136282U CN 221111589 U CN221111589 U CN 221111589U
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- rotating
- assembly
- handle
- wrench
- middle rod
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- 238000005452 bending Methods 0.000 title abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to a variable camber wrench, which comprises a wrench head assembly, a middle rod assembly and a handle assembly; the wrench head assembly is hinged to one end of the middle rod assembly, the other end of the middle rod assembly is hinged to the handle assembly, and the handle assembly horizontally rotates to drive the wrench head assembly to horizontally rotate. The utility model changes the bending degree of the wrench so as to be convenient for operation in a narrow space.
Description
Technical Field
The utility model relates to the technical field of wrenches, in particular to a wrench with variable camber.
Background
A wrench is a tool for tightening or loosening bolts and nuts, and is usually provided with a socket of a fixed size or shape and of a variable size at one end.
At present, the spanner heads and handles of most spanners are positioned on the same straight line, so that the spanners are very convenient to use in workplaces with larger space, but workplaces with a certain barrier are narrow in space or near nuts, and the spanners cannot extend into an operation area due to the linear design, so that the tightening operation is inconvenient, time and labor are wasted, and even the tightening work cannot be completed. Some wrenches are added with connecting parts such as universal joints, but the universal joints occupy large space and are inconvenient to operate.
Accordingly, those skilled in the art have been working to develop a variable camber wrench, which is convenient to operate in a narrow space.
Disclosure of utility model
The technical problem to be solved by the utility model is to provide a wrench with variable bending, wherein the wrench is convenient to operate in a narrow space by changing the bending.
The technical scheme for solving the technical problems is as follows: a variable camber wrench, comprising a wrench head assembly, a middle rod assembly and a handle assembly;
The wrench head assembly is hinged to one end of the middle rod assembly, the other end of the middle rod assembly is hinged to the handle assembly, and the handle assembly horizontally rotates to drive the wrench head assembly to horizontally rotate.
The beneficial effects of the utility model are as follows: the spanner head assembly is sequentially hinged with the middle rod assembly and the handle assembly, and the spanner head assembly, the middle rod assembly and the handle assembly can be directly hinged in the vertical direction for rotation, so that the bending degree of the spanner is changed; when the handle component horizontally rotates, the spanner head component is driven to horizontally rotate, so that the spanner is convenient to operate in a narrow space, and the practicability of the spanner component is improved.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the spanner head subassembly is including rotating the handle, the front end fixedly connected with block head of handle, the block head has a block chamber, block chamber lateral wall has the block boss that a plurality of intervals set up, block chamber lateral wall still is provided with the opening, the handle other end rotates through the support arm subassembly with the intermediate lever subassembly rotates to be connected.
The beneficial effect of adopting above-mentioned further scheme is that the block boss is used for block screw end, dismantles the screw fast.
Further, the support arm assembly comprises a rotating support arm, the two rotating support arms are installed at the end part of the rotating handle, first rotating holes are formed in the two rotating support arms, and a first rotating pin penetrates through the first rotating holes and the middle rod assembly to enable the rotating support arm to be connected with the middle rod assembly in a rotating mode.
The beneficial effect of adopting above-mentioned further scheme is that rotate the support arm and be connected through first rotation hole and first rotation round pin with the intermediate lever subassembly, and then be convenient for rotate the support arm and the vertical rotation of intermediate lever subassembly.
Further, the middle rod assembly comprises a middle rod, the longitudinal section of the middle rod is rectangular, a first rotating column is arranged in the middle of the end part of the middle rod, the first rotating column is positioned between the two rotating support arms, and the other end of the middle rod is connected with the handle assembly in a rotating mode through the rotating assembly.
The wrench has the beneficial effects that the two ends of the middle rod are rotationally connected with the wrench head assembly and the handle assembly, so that the wrench head has larger rotation angle, and the universality of the wrench is improved.
Further, the rotating assembly comprises rotating arms, two rotating arms are installed at the end part of the middle rod, second rotating holes are formed in the two rotating arms, and a second rotating pin penetrates through the second rotating holes and the handle assembly to enable the rotating arms to be connected with the handle assembly in a rotating mode.
The adoption of the further scheme has the beneficial effects that the rotating arm and the rotating handle are connected through the second rotating pin and the second rotating hole, so that the rotating handle can rotate in the vertical direction.
Further, the handle assembly includes a rotating handle having a second rotating post intermediate the ends of the rotating handle, the second rotating post being positioned between the two rotating arms.
The technical proposal has the beneficial effects that the rotary handle is favorable for the operator to hold to pull the spanner head assembly.
Further, an extension assembly is also connected to the handle assembly.
The beneficial effect of adopting above-mentioned further scheme is that the extension subassembly is used for increasing the arm of force of handle subassembly.
Further, the extension assembly includes an extension sleeve, and the handle assembly and the extension handle are inserted into both ends of the extension sleeve, respectively.
The beneficial effect of adopting above-mentioned further scheme is that the extension sleeve does benefit to quick connect handle assembly tip and extension handle.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of a wrench head assembly according to one embodiment of the present utility model;
FIG. 3 is a schematic view of an intermediate lever assembly according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a handle assembly according to an embodiment of the present utility model;
Fig. 5 is a schematic structural diagram of a second embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. A wrench head assembly; 2. an intermediate lever assembly; 3. a handle assembly; 4. a rotating handle; 5. a clamping head; 6. a clamping cavity; 7. a clamping boss; 8. a notch; 9. rotating the support arm; 10. a first rotation hole; 11. a first rotation pin; 12. an intermediate lever; 13. a first rotating column; 14. a rotating arm; 15. a second rotation hole; 16. a second rotation pin; 17. rotating the handle; 18. a second rotating column; 19. an extension assembly; 20. extending the sleeve; 21. the handle is extended.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the system or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1, 2, 3, 4 and 5, a variable camber wrench comprises a wrench head assembly 1, a middle bar assembly 2 and a handle assembly 3; the spanner head assembly 1 is hinged with one end of a middle rod assembly 2, the other end of the middle rod assembly 2 is hinged with a handle assembly 3, and the handle assembly 3 horizontally rotates to drive the spanner head assembly 1 to horizontally rotate.
According to the utility model, the spanner head assembly 1 is sequentially hinged with the middle rod assembly 2 and the handle assembly 3, and the spanner head assembly 1, the middle rod assembly 2 and the handle assembly 3 can be directly hinged and rotated in the vertical direction, so that the bending degree of the spanner is changed; the handle assembly 3 drives the wrench head assembly 1 to horizontally rotate when horizontally rotating, so that the wrench head assembly is convenient to operate in a narrow space, and the practicability of the wrench assembly is improved.
As shown in fig. 1 and 2, in some embodiments, the wrench head assembly 1 includes a rotation handle 4, a clamping head 5 is fixedly connected to a front end portion of the rotation handle 4, the clamping head 5 has a clamping cavity 6, and a side wall of the clamping cavity 6 has a plurality of clamping bosses 7 disposed at intervals. In this embodiment, the inside of the engaging cavity 6 is quincuncial. The side wall of the clamping cavity 6 is also provided with a notch 8, the notch 8 enables the clamping cavity to span the guide pipe from the opening part, the quincuncial shape can adjust the angle in a smaller range relative to the hexagonal shape, and the clamping cavity is not easy to slip from the hexagonal nut and not easy to twist and slide the nut, so that the clamping cavity is superior to a common open spanner and a double offset ring spanner with a closed head, the opening part of the head is shaped, and parts and the guide pipe can be avoided, and the operation space is larger.
The other end of the rotating handle 4 is rotationally connected with the middle rod assembly 2 through a support arm assembly, specifically, the support arm assembly comprises rotating support arms 9, two rotating support arms 9 are installed at the end part of the rotating handle 4, first rotating holes 10 are formed in the two rotating support arms 9, and a first rotating pin 11 penetrates through the first rotating holes 10 and the middle rod assembly 2 to enable the rotating support arms 9 to be rotationally connected with the middle rod assembly 2.
In another embodiment, as shown in fig. 1 and 3, the middle rod assembly 2 comprises a middle rod 12, the longitudinal section of the middle rod 12 is rectangular, a first rotating column 13 is arranged in the middle of the end part of the middle rod 12, the first rotating column 13 is positioned between two rotating support arms 9, and the other end of the middle rod 12 is rotatably connected with the handle assembly 3 through a rotating assembly. In this embodiment, the rotating assembly includes rotating arms 14, two rotating arms 14 are mounted on the end of the intermediate lever 12, and second rotating holes 15 are provided on both rotating arms 14, and the second rotating pin 16 passes through the second rotating holes 15 and the handle assembly 3 to enable the rotating arms 14 to be rotatably connected with the handle assembly 3.
In other embodiments, the middle rod 12 is connected with the spanner head assembly 1 and the handle assembly 3 by one or two lugs, the lugs are connected with the lugs by rivets or screws, the spanner head assembly 1 and the middle rod 12 and the handle assembly 3 and the middle rod 12 form two joints with a certain tightness, the joint surface angles between the joints are adjustable, and compared with the original fixed structure, the spanner can be operated at various angles according to the needs, further, the spanner can be made into thin pieces, and can be better suitable for various narrow operation spaces. Because the joint angle is adjustable, the device can be properly deformed to avoid the blocking of a machine part and a guide pipe, so that an operator can be handy and the maintenance quality and efficiency are improved.
As shown in fig. 1 and 4, the handle assembly 3 includes a rotary handle 17, the longitudinal section of the rotary handle 17 may be made into a cylindrical shape or a rectangular shape, and a second rotary post 18 is provided in the middle of the end of the rotary handle 17, and the second rotary post 18 is located between the two rotary arms 14. In other embodiments, the rotating handle 17 is designed to have a length similar to the width of a human palm for small space operation, and the edge is rounded, so that the rotating handle is suitable for hand-held operation. The rotary handle 17 is designed to have a uniform section, and can be sleeved with a stress application rod to increase the length of the handle for cooperation. And the head can be replaced by open plum blossom or open spanner with different sizes according to the needs, so as to finish the operation under various tasks.
Implement two
As shown in fig. 5, to increase the turning force arm of the wrench, the handle assembly 3 is further connected with an extension assembly 19. Specifically, the extension assembly 19 includes an extension sleeve 20, and the handle assembly 3 and the extension handle 21 are inserted into both ends of the extension sleeve 20, respectively.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (8)
1. A variable camber wrench, characterized in that: comprises a spanner head assembly (1), a middle rod assembly (2) and a handle assembly (3);
The wrench head assembly (1) is hinged to one end of the middle rod assembly (2), the other end of the middle rod assembly (2) is hinged to the handle assembly (3), and the handle assembly (3) horizontally rotates to drive the wrench head assembly (1) to horizontally rotate.
2. The variable camber wrench of claim 1, wherein: the spanner head assembly (1) comprises a rotating handle (4), the front end part of the rotating handle (4) is fixedly connected with a clamping head (5), the clamping head (5) is provided with a clamping cavity (6), the side wall of the clamping cavity (6) is provided with a plurality of clamping bosses (7) arranged at intervals, the side wall of the clamping cavity (6) is also provided with a notch (8), and the other end of the rotating handle (4) is rotationally connected with the middle rod assembly (2) through a support arm assembly.
3. The variable camber wrench of claim 2, wherein: the support arm assembly comprises rotating support arms (9), two rotating support arms (9) are installed at the end parts of the rotating handle (4), first rotating holes (10) are formed in the two rotating support arms (9), and a first rotating pin (11) penetrates through the first rotating holes (10) and the middle rod assembly (2) to enable the rotating support arms (9) to be connected with the middle rod assembly (2) in a rotating mode.
4. A variable camber wrench according to claim 3, wherein: the middle rod assembly (2) comprises a middle rod (12), the longitudinal section of the middle rod (12) is rectangular, a first rotating column (13) is arranged in the middle of the end part of the middle rod (12), the first rotating column (13) is positioned between the two rotating support arms (9), and the other end of the middle rod (12) is rotationally connected with the handle assembly (3) through a rotating assembly.
5. The variable camber wrench of claim 4, wherein: the rotating assembly comprises rotating arms (14), two rotating arms (14) are arranged at the end parts of the middle rod (12), second rotating holes (15) are formed in the two rotating arms (14), and a second rotating pin (16) penetrates through the second rotating holes (15) and the handle assembly (3) to enable the rotating arms (14) to be connected with the handle assembly (3) in a rotating mode.
6. The variable camber wrench of claim 5, wherein: the handle assembly (3) comprises a rotating handle (17), a second rotating column (18) is arranged in the middle of the end part of the rotating handle (17), and the second rotating column (18) is positioned between the two rotating arms (14).
7. The variable camber wrench of claim 1, wherein: the handle assembly (3) is also connected with an extension assembly (19).
8. The variable camber wrench of claim 7, wherein: the extension assembly (19) comprises an extension sleeve (20), and the handle assembly (3) and the extension handle (21) are respectively inserted into two ends of the extension sleeve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323136282.1U CN221111589U (en) | 2023-11-21 | 2023-11-21 | Wrench with changeable bending degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323136282.1U CN221111589U (en) | 2023-11-21 | 2023-11-21 | Wrench with changeable bending degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221111589U true CN221111589U (en) | 2024-06-11 |
Family
ID=91361816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323136282.1U Active CN221111589U (en) | 2023-11-21 | 2023-11-21 | Wrench with changeable bending degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221111589U (en) |
-
2023
- 2023-11-21 CN CN202323136282.1U patent/CN221111589U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |