CN212601539U - A kind of spanner - Google Patents
A kind of spanner Download PDFInfo
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- CN212601539U CN212601539U CN202020794974.2U CN202020794974U CN212601539U CN 212601539 U CN212601539 U CN 212601539U CN 202020794974 U CN202020794974 U CN 202020794974U CN 212601539 U CN212601539 U CN 212601539U
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- wrench
- wrench rod
- rod
- sleeve
- notch
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 240000004282 Grewia occidentalis Species 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The embodiment of the utility model provides a wrench relates to hardware and tools technical field. The spanner includes: the method comprises the following steps: the first end of the first wrench rod is hinged with the first end of the second wrench rod through the first shaft pin, the second end of the second wrench rod is provided with a working part, the sleeve is sleeved on the first end of the first wrench rod and the first end of the second wrench rod in an axially sliding manner, the first end of the first wrench rod is provided with a long strip-shaped through groove, the side wall of the sleeve is provided with a first pin hole, the second shaft pin is arranged in the first pin hole and the long strip-shaped through groove in a penetrating manner to connect the first end of the first wrench rod with the sleeve, and the telescopic piece is connected between the first shaft pin and the second shaft pin; the second shaft pin is switched between the first position and the second position, so that the second wrench rod and the first wrench rod are connected into a straight rod or are relatively bent, the application range is expanded, and the multi-depth-position fastener dismounting device is suitable for dismounting fasteners at multiple depth positions.
Description
Technical Field
The utility model belongs to the technical field of hardware and tools technique and specifically relates to a spanner is related to.
Background
The wrench is a common mounting and dismounting tool, comprises a handle and a working part, and is a hand tool for rotating fasteners such as bolts, screws, nuts and the like by utilizing the lever principle. Typically constructed steel of carbon or alloy material.
The existing commonly used wrench is fixed in length, is only suitable for disassembling fasteners at fixed depth positions when equipment is assembled or maintained, and has a small application range.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a wrench, which can expand the application range and is suitable for detaching fasteners at multiple depth positions.
In order to achieve the above object, an embodiment of the present invention provides a wrench, including: the first end of the first wrench rod is hinged with the first end of the second wrench rod through the first shaft pin, the second end of the second wrench rod is provided with a working part, the sleeve is sleeved on the first end of the first wrench rod and the first end of the second wrench rod in an axially sliding manner, the first end of the first wrench rod is provided with a long strip-shaped through groove, the side wall of the sleeve is provided with a first pin hole, the second shaft pin is arranged in the first pin hole and the long strip-shaped through groove in a penetrating manner to connect the first end of the first wrench rod with the sleeve, and the telescopic part is connected between the first shaft pin and the second shaft pin;
when the second shaft pin is located at the first position in the elongated through groove, the sleeve is sleeved at the first end of the first wrench rod and the first end of the second wrench rod, so that the first wrench rod and the second wrench rod are connected into a straight rod;
when the second shaft pin is located at the second position in the strip-shaped through groove, the sleeve is separated from the second end of the second wrench rod and sleeved at the first end of the first wrench rod, and the second wrench rod can bend relative to the first end of the first wrench rod.
Optionally, the first end of the first wrench rod and the first end of the second wrench rod are respectively provided with a notch, the notch of the first wrench rod and the notch of the second wrench are correspondingly formed, the side walls of the notches are respectively and correspondingly provided with second pin holes, and the first shaft pin penetrates through the second pin holes to hinge the first wrench rod and the second wrench rod.
Optionally, the structure of the notch of the first wrench rod is middle sunken, the lateral wall symmetry sets up two first incisions that extend to the opening tip, the lateral wall, with one the end angle that first incision is faced and is the fillet structure, the structure of the notch of the second wrench rod is middle sunken, the lateral wall sets up one and extends to the second incision of opening tip, the second incision with one first incision corresponds the setting, the second wrench rod for first wrench rod to second incision one side turn.
Optionally, a slot is formed in a second end notch of the second wrench rod, and when the second wrench rod is bent to 90 degrees relative to the first end of the first wrench rod, one end of the sleeve is clamped into the slot.
Optionally, the telescoping member is a spring.
Optionally, a handle is provided at the second end of the first wrench rod.
Optionally, the wrench further comprises a third wrench rod, a first end of the third wrench rod is hinged to a second end of the first wrench rod; or,
the spanner still includes handle and third spanner pole, the first end of third spanner pole with the second end of first spanner pole is articulated mutually, the second end of third spanner pole is equipped with the handle.
Optionally, the wrench is an inner triangle, an inner four corner, an inner pentagon or an inner hexagon wrench.
The embodiment of the utility model provides a wrench, including first wrench rod, second wrench rod, first pivot, sleeve, second pivot round pin and extensible member, through adopting multisection wrench rod to articulate, when the second pivot is in the first position in the rectangular shape logical groove of first end of first wrench rod, the sleeve cover is established the first end of first wrench rod with the first end of second wrench rod, so that first wrench rod and second wrench rod connect into a straight-bar, can increase arm of force length, in order to adapt to the fastener dismantlement of great degree of depth position, because the arm of force is elongated, can reduce torsion; when the second shaft pin is located in the second position in the elongated through groove, the sleeve is separated from the second end of the second wrench rod and sleeved at the first end of the first wrench rod, and the second wrench rod can bend relative to the first end of the first wrench rod and can adapt to the disassembly of fasteners at smaller depth positions. Therefore, the embodiment of the utility model provides a spanner can change the spanner pole arm of force in a flexible way to can enlarge the range of application, be applicable to the dismantlement of the fastener of many degree of depth positions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of the wrench of the present invention;
FIG. 2 is a schematic view of a partial structure of an embodiment of the wrench of the present invention;
fig. 3 is a schematic view of the wrench in an extended state when the second axis pin is in the first position;
fig. 4 is a schematic view of the wrench in a bendable state when the second axis pin is at the second position;
fig. 5 is a schematic structural view of an embodiment of a bending state of the wrench according to the present invention;
fig. 6 is a schematic structural view of another embodiment of the bending state of the wrench according to the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be apparent that numerous technical details are set forth in the following detailed description to provide a more thorough description of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without some of these details. In addition, some methods, means, components and applications thereof known to those skilled in the art are not described in detail in order to highlight the gist of the present invention, but the implementation of the present invention is not affected thereby. The embodiments described herein are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The wrench provided by the embodiment of the utility model has the advantages of variable length, labor saving and convenient storage; referring to fig. 1 to 6, the wrench includes: the wrench comprises a first wrench rod 1, a second wrench rod 2, a first shaft pin 3, a sleeve 4, a second shaft pin 5 and a telescopic piece 6, wherein the first wrench rod 1 and the second wrench rod 2 can be made of structural steel made of carbon or alloy materials.
The first end of first wrench rod 1 with the first end of second wrench rod 2 is passed through first axis round pin 3 is articulated, the second end of second wrench rod 2 has the working part, the working part is used for cooperating with the fastener to carry out the dismouting to the fastener. But sleeve 4 axial slip ground cover establish first spanner pole 1 the first end with on the first end of second spanner pole 2, the first end of first spanner pole 1 is equipped with rectangular shape and leads to groove 7, be equipped with first pinhole on the sleeve 4 lateral wall, second axis round pin 5 wears to locate in first pinhole and rectangular shape lead to groove 7, will the first end of first spanner pole with sleeve 4 is connected, extensible member 6 is connected first axis round pin 3 with between the second axis round pin 5, when upwards pulling the sleeve, extensible member 6 is elongated by second axis round pin 5, and the upward pulling force of sleeve 4 disappears the back, and extensible member can reset, and in the in-process that resets, sleeve 4 receives the downward movement of extensible member return force effect.
When the second shaft pin 5 is located at the first position in the elongated through groove 7, the sleeve 4 is sleeved on the first end of the first wrench rod 1 and the first end of the second wrench rod 2, so that the first wrench rod 1 and the second wrench rod 2 are connected into a straight rod;
when the second shaft pin 5 is located at the second position in the elongated through groove 7, the sleeve 4 is separated from the second end of the second wrench rod 2 and sleeved at the first end of the first wrench rod 1, and the second wrench rod 2 can be bent relative to the first end of the first wrench rod 1.
The wrench can be an inner triangle wrench, an inner four-corner wrench, an inner pentagon wrench or an inner hexagon wrench.
For convenience of explanation, an inner hexagon wrench is taken as an example, and a currently commonly used inner hexagon wrench is generally known to be an L-shaped integral and regular hexagonal cross section, so that when equipment is assembled or maintained, the installation position of an inner hexagon bolt is deep in some scenes, and the effective length of a currently common inner hexagon wrench cannot reach the inner hexagon bolt at a deep dismounting position, which brings certain difficulty to maintenance operation.
Referring to fig. 3, in the wrench provided by the embodiment of the present invention, by adopting a multi-section wrench rod hinge, when the second shaft pin 5 is located at a first position in the elongated through groove 7 at the first end of the first wrench rod 1, the first position may be a lower end of the elongated through groove 7, and the sleeve 4 is sleeved on the first end of the first wrench rod 1 and the first end of the second wrench rod 2, so that the first wrench rod 1 and the second wrench rod 2 are connected into a straight rod, which can increase the length of the force arm, thereby being capable of adapting to the detachment of a fastener at a larger depth position; furthermore, as the moment arm is lengthened, the moment required by the rotation bolt is equal, and the length of the moment arm of the wrench rod is increased according to the moment arm (distance), so that the torsion of the rotation bolt can be greatly reduced, and the disassembly and the assembly are labor-saving.
In another dismounting scenario where the mounting position of the hexagon socket head cap screw is shallow and the height of the reserved longitudinal space above the hexagon socket head cap screw is limited to the length of the wrench, referring to fig. 4, the sleeve 4 of the wrench provided by the present invention can be pulled upward to make the second shaft pin 5 be located at the second position in the elongated through groove 7, and the second position can be the upper end of the elongated through groove 7; thus, the sleeve 4 is separated from the second end of the second wrench rod 2 and sleeved at the first end of the first wrench rod 1, and the second wrench rod 2 can be bent relative to the first end of the first wrench rod 1, so that the effective length of the wrench is reduced, and the wrench is suitable for disassembling fasteners with smaller depth positions.
The first position is located below the second position, or the first position is lower than the second position.
Therefore, the embodiment of the utility model provides a spanner can change the spanner pole arm of force in a flexible way to can enlarge the range of application, be applicable to the dismantlement of the fastener of many degree of depth positions.
Based on the technical concept of the present invention, in order to expand more application ranges, the number of the wrench rods may be set to be plural, in some embodiments, the wrench further includes a third wrench rod, and the first end of the third wrench rod is hinged to the second end of the first wrench rod 1. Specifically, the connection manner of the first wrench rod 1 and the third wrench rod may be the same as the connection manner of the first wrench rod 1 and the second wrench rod 2, so that in different application scenarios, a person skilled in the art can select to increase the effective length or decrease the effective length to adapt to the actual fastener dismounting environment.
In addition, the existing wrenches such as the socket head cap are usually a polish rod, so that the wrenches are inconvenient to control and exert force in the actual operation process, and when partial screws are assembled and disassembled, the wrenches need to be rotated by screwing the screws with the help of pliers or other tools, so that the assembling and disassembling efficiency is affected, and the damage to the socket head cap wrench is easily caused.
As an alternative embodiment, when the wrench comprises the first wrench rod 1 and the second wrench rod 2, the second end of the first wrench rod 1 is provided with the handle 8; referring to fig. 1, when the wrench further includes a third wrench rod 9, referring to fig. 1, the wrench further includes a handle 8 and a third wrench rod 9, a first end of the third wrench rod 9 is hinged to a second end of the first wrench rod 1, and a second end of the third wrench rod 9 is provided with the handle 8. The handle 8 is arranged at the handheld end, so that the hand-held electric tool can be conveniently held and can apply force easily, and the hand-held electric tool can be operated without using pliers or other tools.
In some embodiments, the telescopic member 6 may be a telescopic rod or a spring, preferably a spring, two ends of the spring are respectively installed on the first shaft pin 3 and the second shaft pin 5, as shown in fig. 2, due to the telescopic characteristic of the spring, when the spring is in an initial state, the spring is not stretched, at this time, the first shaft pin 3 is located at the lower end of the elongated through slot 7 of the first wrench rod 1, as shown in fig. 3, the sleeve 4 is sleeved on the first wrench rod 1 and the second wrench rod 2, the first wrench rod 1 and the second wrench rod 2 are located on the same straight line, and are connected to form a straight rod, and the wrench is in an extended state, and can twist bolts at deeper positions.
When the bolt is shallow, the wrench can be bent to 90 degrees for use, only the sleeve 4 needs to be pulled upwards, the spring is in a stretching state, the first shaft pin 3 is moved to the upper end of the long-strip-shaped through groove 7, the position of the sleeve 4 is shown in fig. 4, at the moment, the second wrench rod 2 is separated from the sleeve 4, and the second wrench rod 2 can be bent relative to the first wrench rod 1.
The structures of the two ends of the elongated through slot 7 may be arranged according to the cross section of the first axis pin 3, the cross section of a general axis pin is generally circular, and the cross section of the first axis pin 3 in this embodiment is not limited as long as the function of connection is achieved. Referring to fig. 2, in order to utilize the existing shaft pin and save cost, the cross section of the first shaft pin 3 is circular, and accordingly, the two ends of the elongated through slot 7 are in the shape of an inverted round head to better accommodate the first shaft pin 3, so as to prevent the first shaft pin from shaking back and forth due to structural mismatch in use and affecting the operation of the wrench.
In some embodiments, the first end of the first wrench rod 1 and the first end of the second wrench rod 2 are respectively provided with a notch, and the notch 10 of the first wrench rod and the notch 11 of the second wrench rod are correspondingly formed, so as to achieve the purpose that the length of the wrench can be flexibly adjusted; and second pin holes are correspondingly formed in the side walls of the notches respectively, and the first shaft pin 3 penetrates through the second pin holes to hinge the first wrench rod 1 and the second wrench rod 2.
In this embodiment, since the notch 10 of the first wrench rod is opened corresponding to the notch 11 of the second wrench, the direction of the second wrench turning relative to the first wrench is not limited.
In order to enable the second wrench to only bend towards a fixed direction relative to the first wrench, referring to fig. 2, 5 and 6, in other embodiments, the notch of the first wrench rod 1 is configured as a middle recess, and two first notches 101 extending to an open end are symmetrically formed on a side wall, an end corner 12 of the side wall adjacent to one of the first notches 101 is a rounded corner structure, the notch 11 of the second wrench rod is configured as a middle recess, and a second notch 111 extending to an open end is formed on a side wall, and the second notch 111 is disposed corresponding to one of the first notches 110, so that the second wrench rod 2 can only bend towards one side of the second notch relative to the first wrench rod 1, as shown in fig. 5, because only one second notch is formed on the second wrench rod 2.
In order to fix the bent second wrench rod 2 and the first wrench rod 1 at a certain angle, in some embodiments, a slot 13 is formed in a second end notch of the second wrench rod 2, the second wrench rod 2 is bent to 90 degrees relative to the first end of the first wrench rod 1, due to the tensile force of the spring, the sleeve 4 moves downwards, one end of the sleeve 4 is clamped into the slot 13, the second wrench rod 2 is clamped, and the first wrench rod 1 and the second wrench rod 2 are fixed at 90 degrees, namely, the fastener can be disassembled and assembled at a shallow installation position.
After using the completion, can upwards draw sleeve 4, sleeve 4 breaks away from the draw-in groove, and second wrench rod 2 is in the state of can turning, turns second wrench rod 2 again and is located same straight line as for first wrench rod 1, makes the spanner be in the extension state, conveniently accomodates and deposits, reduces occupation space.
The wrench provided by the embodiment of the utility model can be suitable for the tightness of bolts with different depths, is convenient to operate, and can improve the working efficiency; the force arm can be adjusted to be long, so that the torsional force is reduced, and the effect of saving labor when the bolt is tightened or loosened is achieved; when needs are accomodate and are deposited, can pull into the straight line with the spanner pole, conveniently accomodate.
It should be noted that the terms "upper", "lower", and the like, herein indicate orientations and positional relationships, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. Relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element. As will be appreciated by one of ordinary skill in the art, the situation may be specified.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A wrench, comprising: the first end of the first wrench rod is hinged with the first end of the second wrench rod through the first shaft pin, the second end of the second wrench rod is provided with a working part, the sleeve is sleeved on the first end of the first wrench rod and the first end of the second wrench rod in an axially sliding manner, the first end of the first wrench rod is provided with a long strip-shaped through groove, the side wall of the sleeve is provided with a first pin hole, the second shaft pin is arranged in the first pin hole and the long strip-shaped through groove in a penetrating manner to connect the first end of the first wrench rod with the sleeve, and the telescopic part is connected between the first shaft pin and the second shaft pin;
when the second shaft pin is located at the first position in the elongated through groove, the sleeve is sleeved at the first end of the first wrench rod and the first end of the second wrench rod, so that the first wrench rod and the second wrench rod are connected into a straight rod;
when the second shaft pin is located at the second position in the strip-shaped through groove, the sleeve is separated from the second end of the second wrench rod and sleeved at the first end of the first wrench rod, and the second wrench rod can bend relative to the first end of the first wrench rod.
2. The wrench according to claim 1, wherein the first end of the first wrench rod and the first end of the second wrench rod are respectively provided with a notch, the notch of the first wrench rod and the notch of the second wrench rod are correspondingly formed, the side walls of the notches are respectively and correspondingly provided with second pin holes, and the first pin is inserted into the second pin holes to hinge the first wrench rod and the second wrench rod.
3. The wrench according to claim 2, wherein the notch of the first wrench rod is formed by a middle recess and two symmetrical first notches extending to the open end of the side wall, the side wall and an end corner adjacent to one of the first notches are rounded, the notch of the second wrench rod is formed by a middle recess and a second notch extending to the open end of the side wall, the second notch is arranged corresponding to one of the first notches, and the second wrench rod is bent to one side of the second notch relative to the first wrench rod.
4. A wrench as claimed in claim 2 or 3, wherein the second end notch of the second wrench rod is provided with a slot, and when the second wrench rod is bent to 90 ° relative to the first end of the first wrench rod, one end of the sleeve is engaged in the slot.
5. The wrench of claim 1, wherein said telescoping member is a spring.
6. The wrench according to claim 1, wherein the second end of the first wrench rod is provided with a handle.
7. The wrench of claim 1, further comprising a third wrench rod, a first end of the third wrench rod being hingedly connected to a second end of the first wrench rod; or,
the spanner still includes handle and third spanner pole, the first end of third spanner pole with the second end of first spanner pole is articulated mutually, the second end of third spanner pole is equipped with the handle.
8. The wrench of claim 1, wherein the wrench is an inside triangle, inside quadrangle, inside pentagon, or inside hexagon wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020794974.2U CN212601539U (en) | 2020-05-13 | 2020-05-13 | A kind of spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020794974.2U CN212601539U (en) | 2020-05-13 | 2020-05-13 | A kind of spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212601539U true CN212601539U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020794974.2U Active CN212601539U (en) | 2020-05-13 | 2020-05-13 | A kind of spanner |
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| CN (1) | CN212601539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334294A (en) * | 2021-06-11 | 2021-09-03 | 张鹏飞 | Portable internal hexagonal wrench |
-
2020
- 2020-05-13 CN CN202020794974.2U patent/CN212601539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334294A (en) * | 2021-06-11 | 2021-09-03 | 张鹏飞 | Portable internal hexagonal wrench |
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