CN217394810U - Spanner and fastening tool - Google Patents

Abstract

The utility model relates to a fill electric pile assembly fixture technical field, disclose a spanner and fastening tool, the spanner is used for twisting the first connecting piece that waits to twist and fix on the second connecting piece that waits to be connected, the spanner includes joint spare and handle, joint spare can with the outside wall joint of the first connecting piece that waits to be connected to drive the first connecting piece that waits to rotate; the one end of handle is connected with joint spare, and the handle becomes the contained angle setting with the terminal surface of joint spare in order to dodge the second and treats the connecting piece, is equipped with first connecting portion on the handle, and the output of moment of torsion determine module can be connected with first connecting portion to detect the first moment of torsion that treats the connecting piece. Even if this spanner also can realize the first connecting piece of treating and the second is treated the fixed of connecting piece in narrow and small installation space, and this spanner can cooperate with the moment of torsion determine module to guarantee that the first moment of torsion of treating the connecting piece is in predetermineeing the moment of torsion within range, thereby guarantee that the first connecting piece of treating and the second of treating the connection quality of connecting piece.

Description

Spanner and fastening tool

Technical Field

The utility model relates to a fill electric pile assembly fixture technical field, especially relate to a spanner and fastening tool.

Background

As shown in fig. 1, the waterproof terminal of the charging gun is mainly used to fix the gun wire of the charging gun to the housing 100 of the charging pile, so that the gun wire can penetrate through the housing 100 and communicate with the electrical components inside the housing 100, thereby performing the fixing and sealing functions. When the watertight terminal is mounted, a fastening tool is required to screw the watertight terminal to the housing 100. Wherein, the casing 100 is usually recessed inwards to form a mounting groove 101, the waterproof terminal is mounted in the mounting groove 101, the mounting space is limited, and the existing fastening tool is difficult to fasten the waterproof terminal. In addition, in order to improve the charging power of the charging pile and reduce the volume of the charging pile, the outlet end of the charging gun is usually made into a special shape in the prior art, but the outlet end of the special shape has high requirements on the fastening of the waterproof terminal, if the waterproof terminal is not fastened in place, the waterproof hidden danger exists, if the fastening torque is too large, the waterproof terminal has the risk of wire sliding, and the waterproof hidden danger also exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spanner, it also can realize at narrow and small installation space that first treating connecting piece and second treat the fixed of connecting piece, and can guarantee that first treating connecting piece and second treat the reliable connection of connecting piece.

Therefore, the utility model adopts the following technical scheme:

a wrench for screwing and fixing a first member to be connected to a second member to be connected, the wrench comprising:

the clamping piece can be clamped with the outer side wall of the first to-be-connected piece so as to drive the first to-be-connected piece to rotate;

the handle, the one end of handle with the joint spare is connected, the handle with the terminal surface of joint spare becomes the contained angle setting in order to dodge the connecting piece is treated to the second, be equipped with first connecting portion on the handle, first connecting portion are used for being connected with torque detection subassembly's output, so that torque detection subassembly can detect the first moment of torsion that treats the connecting piece.

As a preferable aspect of the wrench, the first connecting portion includes:

the output end of the first torque detection assembly can penetrate through the connecting groove and drive the handle to rotate so as to screw the first to-be-connected piece and measure the torque of the first to-be-connected piece; and/or

The bellying, set up in the handle is kept away from the one end of joint spare, the cross sectional shape of bellying is the polygon, and the output of second kind of torque detection subassembly can overlap and locate on the bellying and drive the handle rotates to revolve wrong the first connecting piece of treating and measure its moment of torsion.

As a preferable scheme of the wrench, a protection piece is arranged on an end face, close to the second to-be-connected piece, of the clamping piece.

Preferably, the protection member is detachably connected to the clamping member.

As a preferable scheme of the wrench, an included angle alpha between the handle and the end face of the clamping piece is 130-160 degrees.

As a preferred scheme of the wrench, an opening is formed in the clamping piece, and the clamping piece can be clamped on the first to-be-connected piece through the opening.

As a preferred scheme of the spanner, the handle and the clamping piece are integrally formed.

As a preferred scheme of the spanner, the handle and the clamping piece are detachably connected.

As an optimal scheme of the wrench, the wrench further comprises a sleeve piece, the sleeve piece can be sleeved on the handle and is far away from one end of the clamping piece, a second connecting portion is arranged on the sleeve piece, and the second connecting portion can be connected with the output end of the torque detection assembly.

The utility model has the advantages that:

the utility model provides a wrench, which comprises a clamping piece and a handle, wherein the handle and the end surface of the clamping piece form an included angle to avoid a second connecting piece to be connected, so that the connection of the first connecting piece to be connected and the second connecting piece to be connected can be realized even under the condition of narrow installation space; in addition, be provided with first connecting portion on the handle, first connecting portion are used for being connected with the output of moment of torsion determine module to make moment of torsion determine module can detect the first moment of torsion that waits the connecting piece, thereby guarantee that the first moment of torsion that waits the connecting piece is in presetting the moment of torsion within range, guarantee that the first connecting piece that waits is connected with the second reliability that waits the connecting piece.

Another object of the utility model is to provide a fastening tool, also can twist the first connecting piece of treating soon to be fixed to the second treat the connecting piece in narrow and small installation space, and can guarantee that the first connecting piece of treating and the second treat the reliable connection of connecting piece.

Therefore, the utility model adopts the following technical proposal:

a fastening tool comprises a torque detection assembly and the wrench, wherein the output end of the torque detection assembly can be connected with the wrench.

The utility model has the advantages that:

the utility model provides a fastening tool, including spanner and moment of torsion determine module, also can realize that first treating connecting piece and second treat the connection of connecting piece in narrow and small installation space to can guarantee that first treating connecting piece and second treat the connection quality of connecting piece.

Drawings

Fig. 1 is a schematic structural diagram of a housing of a charging pile provided in the prior art;

fig. 2 is a first schematic structural diagram of a wrench according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a wrench according to an embodiment of the present invention;

fig. 4 is a third schematic structural diagram of a wrench according to an embodiment of the present invention.

In the figure:

100-a housing; 101-mounting grooves;

1-a clamping piece; 11-opening;

2-a handle;

3-a first connection; 31-a connecting trough; 32-raised portion.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment provides a fastening tool for treating the connecting piece with first treating to twist to be fixed in the second treat the connecting piece on, this fastening tool includes torque detection subassembly and spanner, and torque detection subassembly's output can link to each other with the spanner, even if also can realize first treating the connecting piece and the second treat the reliable connection of connecting piece under the narrow and small condition of installation space to guarantee that the first moment of torsion that treats the connecting piece is in predetermineeing the moment of torsion within range.

In this embodiment, as shown in fig. 1, the first to-be-connected component specifically refers to a waterproof terminal of the charging pile, the second to-be-connected component specifically refers to a casing 100 of the charging pile, the casing 100 is recessed inwards to form a mounting groove 101, and the waterproof terminal is mounted in the mounting groove 101. Of course, the types of the first to-be-connected member and the second to-be-connected member are not limited thereto, and the fastening tool can also realize connection of other types of the first to-be-connected member and the second to-be-connected member, which is not limited by the embodiment.

Specifically, as shown in fig. 2 to 4, the wrench includes a clamping member 1 and a handle 2, the clamping member 1 can be clamped with an outer sidewall of the first to-be-connected member to drive the first to-be-connected member to rotate; one end of the handle 2 is connected with the clamping piece 1, and the handle 2 and the end face of the clamping piece 1 form an included angle to avoid a second to-be-connected piece, so that the wrench can realize the connection of the first to-be-connected piece and the second to-be-connected piece even if the installation space is narrow; be equipped with first connecting portion 3 on the handle 2, first connecting portion 3 is used for being connected with torque detection subassembly's output to make torque detection subassembly can detect the first moment of torsion that treats the connecting piece, thereby guarantee that the first moment of torsion that treats the connecting piece is in predetermineeing the moment of torsion within range, and then guarantee that the first reliable connection of treating the connecting piece of connecting piece and second.

Optionally, as shown in fig. 2 to 4, the first connecting portion 3 includes a connecting groove 31 opened on the handle 2, and the output end of the first type of torque detecting assembly can penetrate through the connecting groove 31 and drive the handle 2 to rotate, so as to screw the first to-be-connected component and enable the first type of torque detecting assembly to measure the torque of the first to-be-connected component. Furthermore, the cross-sectional shape of the connecting groove 31 is polygonal, so that the output end of the first torque detection assembly can be prevented from rotating relative to the connecting groove 31, the torque measurement precision of the first to-be-connected component is influenced, and the reliable connection of the first to-be-connected component and the second to-be-connected component is ensured.

In the present embodiment, as shown in fig. 2 and 4, the cross-sectional shape of the coupling groove 31 is rectangular, so that the strength of the coupling portion between the output terminal of the first torque detection assembly and the coupling groove 31 is high, and the processing of the coupling groove 31 is also facilitated.

Further, the number of the connecting grooves 31 is at least two, and the at least two connecting grooves 31 are arranged at intervals along the length direction of the handle 2, so that an operator can selectively connect the output end of the first type of torque detection assembly with any one of the connecting grooves 31, and the size of the force arm can be adjusted, and the connecting device is suitable for mounting or dismounting different types of first to-be-connected parts.

Optionally, as shown in fig. 2 to 4, the first connecting portion 3 further includes a protruding portion 32, the protruding portion 32 is disposed at an end of the handle 2 far away from the clamping member 1, and an output end of the second type of torque detecting assembly can be sleeved on the protruding portion 32 and drive the handle 2 to rotate, so as to screw the first to-be-connected member and enable the second type of torque detecting assembly to measure a torque of the first to-be-connected member. Further, the cross-sectional shape of the protruding portion 32 is polygonal, so that the output end of the second torque detection assembly and the protruding portion 32 can be prevented from rotating relatively, and the detection accuracy of the torque of the first to-be-connected component is ensured.

In this embodiment, the cross-sectional shape of the protruding portion 32 is rectangular, so that the protruding portion 32 has a good abutting effect with the output end of the second torque detection assembly, and the protruding portion 32 can be conveniently processed.

It can be understood that the first connecting portion 3 includes the connecting groove 31 and the protruding portion 32, so as to be respectively suitable for two torque detection assemblies, which can expand the application range of the wrench and improve the service life of the wrench, for example, when the connecting groove 31 fails, the first connecting portion can be connected with the second torque detection assembly through the protruding portion 32, so as to connect the first to-be-connected component and the second to-be-connected component and ensure that the torque of the first to-be-connected component is within the preset torque range. Of course, the arrangement of the first connection portion 3 is not limited thereto, and in other embodiments, the first connection portion 3 may only include the connection groove 31, or the first connection portion 3 only includes the protrusion 32, and may be arranged according to actual fastening requirements, which is not limited by this embodiment.

Preferably, a protecting piece is arranged on the end face, close to the second to-be-connected piece, of the clamping piece 1 so as to protect the second to-be-connected piece and avoid scratching the second to-be-connected piece by the end face of the clamping piece 1 in the process of screwing the first to-be-connected piece.

Illustratively, the protection member is a rubber gasket, and the rubber gasket is softer and has a good protection effect on the second to-be-connected member. Wherein, the cross sectional shape of rubber packing ring and the terminal surface shape phase-match of joint spare 1 can improve the second and treat the protective effect of connecting piece.

Furtherly, protection piece and joint spare 1 can dismantle and be connected, can change protection piece when the protection piece became invalid, treats the protection of connecting piece effectual to the second.

Exemplarily, the protection member is provided with a stepped hole, a threaded hole is formed in the corresponding end face of the clamping member 1, the fastener can penetrate through the stepped hole and be in threaded fit with the threaded hole, and the protection member and the clamping member 1 can be quickly assembled, disassembled and reliably connected. The end part of the fastener is accommodated in the stepped hole, so that the end part of the fastener can be prevented from scratching the second to-be-connected piece in the process of screwing the first to-be-connected piece.

Certainly, the connection mode between the protection member and the clamping member 1 is not limited to this, and the protection member may also be provided with a clamping protrusion, the clamping member 1 is provided with a clamping groove, and the clamping protrusion can be clamped in the clamping groove to realize detachable connection between the protection member and the clamping member 1, so that parts can be saved, and the manufacturing cost of the wrench can be saved; also can be that protection piece is fixed in on joint spare 1 through sticky mode laminating to simplify the manufacturing procedure of fastening the work piece, thereby reduce the manufacturing cost of spanner, can set up according to actual fastening needs, this embodiment does not do the restriction to this.

Preferably, the included angle alpha between the handle 2 and the end face of the clamping member 1 is 130-160 degrees, which facilitates the operator to hold the fastening tool and apply torque to the first member to be connected, and further facilitates the processing and manufacturing of the wrench.

Optionally, be equipped with opening 11 on joint spare 1, joint spare 1 can be by opening 11 department joint on the first connecting piece that treats to make the first connecting piece that treats keep away from the second when treating that one side of connecting piece is connected with other structures, also can conveniently establish joint spare 1 by opening 11 department cover joint on the first connecting piece that treats, thereby enlarge the application scope of spanner.

Optionally, handle 2 and joint spare 1 integrated into one piece need not in addition to handle 2 and joint spare 1 assemble, can simplify the manufacturing procedure of spanner, and the joint strength height of handle 2 and joint spare 1.

Of course, the arrangement of the handle 2 and the clip 1 is not limited thereto. In other embodiments, the handle 2 and the clip 1 may be formed separately and assembled. Further, handle 2 and joint spare 1 can be dismantled and be connected, can change handle 2 or joint spare 1 when wearing and tearing according to the fastening needs to enlarge fastening work piece's application scope and life.

Preferably, the spanner still includes the sleeve part, and the one end that joint spare 1 was kept away from to handle 2 can be located to the sleeve part, and the sleeve part can be connected with torque detection subassembly's output to increase the arm of force, thereby play the effect of province. Certainly, the setting of sleeve part is not limited to this, and in other embodiments, the sleeve part can also be established the joint on bellying 32 to make the sleeve part can drive handle 2 rotation through bellying 32, the joint of sleeve part and bellying 32 is effectual. In addition, the end part of the handle 2 close to the protruding part 32 can also play a limiting role along the length direction of the handle 2 for the sleeve part, and the sleeve part is prevented from moving along the length direction of the handle 2 when the first to-be-connected part is screwed down.

Particularly, be provided with the second connecting portion on the sleeve part, the second connecting portion can be connected with the output of torque detection subassembly to make torque detection subassembly can drive sleeve part and handle 2 rotations, thereby tighten the first connecting piece that treats, and torque detection subassembly can measure the first moment of torsion that treats the connecting piece. The arrangement of the second connecting portion is the same as that of the first connecting portion 3, and redundant description thereof is not provided in this embodiment.

In the description of the present specification, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present embodiment and simplification of description, but do not indicate or imply that the device or structure referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first feature being in direct contact with the second feature, and may also include the recitation of the first feature being in contact with the second feature, but rather being in contact with the additional feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, the foregoing is only a preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A spanner is used for screwing and fixing a first to-be-connected piece on a second to-be-connected piece, and is characterized by comprising:

the clamping piece (1) can be clamped with the outer side wall of the first to-be-connected piece to drive the first to-be-connected piece to rotate;

handle (2), the one end of handle (2) with joint spare (1) is connected, handle (2) with the terminal surface of joint spare (1) becomes the contained angle setting in order to dodge the connecting piece is treated to the second, be equipped with first connecting portion (3) on handle (2), first connecting portion (3) are used for being connected with the output of moment of torsion determine module, so that moment of torsion determine module can detect the first moment of torsion of treating the connecting piece.

2. A wrench as claimed in claim 1, characterised in that said first connection portion (3) comprises:

the connecting groove (31) is formed in the handle (2), the cross section of the connecting groove (31) is polygonal, and the output end of the first torque detection assembly can penetrate through the connecting groove (31) and drive the handle (2) to rotate so as to screw the first to-be-connected part and measure the torque of the first to-be-connected part; and/or

Bellying (32), set up in handle (2) are kept away from the one end of joint spare (1), the cross sectional shape of bellying (32) is the polygon, and the output of second kind of moment of torsion determine module can overlap and locate bellying (32) are gone up and are driven handle (2) rotate, in order to twist soon the first connecting piece of treating measures its moment of torsion.

3. A wrench as claimed in claim 1, wherein the retaining member (1) is provided with a protection member on its end surface adjacent to the second member to be connected.

4. A wrench as claimed in claim 3, wherein said protecting member is detachably connected to said clamp member (1).

5. A wrench as claimed in claim 1, wherein the angle α between the handle (2) and the end surface of the engaging member (1) is 130 ° -160 °.

6. The wrench according to claim 1, wherein the clip (1) is provided with an opening (11), and the clip (1) can be clipped on the first member to be connected through the opening (11).

7. A wrench as claimed in claim 1, wherein said handle (2) and said catch (1) are integrally formed.

8. A wrench as claimed in claim 1, wherein said handle (2) and said clamp (1) are removably connected.

9. The wrench according to claim 1, further comprising a sleeve member, wherein the sleeve member can be sleeved on an end of the handle (2) away from the clamping member (1), and a second connecting portion is provided on the sleeve member and can be connected with an output end of the torque detecting assembly.

10. A fastening tool comprising a torque sensing assembly and a wrench as claimed in any one of claims 1 to 9, the output of the torque sensing assembly being connectable to the wrench.

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