CN217728567U

CN217728567U - Special wrench mechanism for narrow space

Info

Publication number: CN217728567U
Application number: CN202222038623.0U
Authority: CN
Inventors: 陈建西
Original assignee: Wuxi Xinqisheng Electrical Appliance Co ltd
Current assignee: Wuxi Xinqisheng Electrical Appliance Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-04
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to a narrow space special spanner mechanism, including the handle, first spanner head is connected to affiliated handle near-end, first spanner head has first opening, narrow space special spanner mechanism still includes auxiliary assembly, auxiliary assembly one end with handle swivelling joint, second spanner head is connected to the auxiliary assembly other end, second spanner head has the second opening, second opening bore is less than first opening bore, it is rotatory auxiliary assembly to first station makes second spanner head portion shelters from first opening. The utility model discloses a set up auxiliary assembly, second opening bore is less than first opening bore, and is rotatory auxiliary assembly to first station makes second spanner head part shelters from first opening, can not drop simple structure, convenient operation to the nut when the nut is spacing.

Description

Special wrench mechanism for narrow space

Technical Field

The utility model relates to a hardware and tools technical field especially relates to a narrow space special spanner mechanism.

Background

The control cabinet for the nuclear power is a device carrier which is used more in the nuclear power field at present, and due to the special industrial requirements, the interior of the control cabinet needs to be provided with more cabinet devices, the internal installation space is narrow, and the problem of difficult nut installation exists. Therefore, a special nut wrench mechanism suitable for narrow space is needed.

Chinese utility model patent with document No. CN214393986U discloses a combination wrench for installation of narrow space pipeline, including wrench head and wrench handle, wrench head includes wrench jaw and extension, wrench jaw and extension fixed connection, extension and wrench handle sliding connection for adjust wrench handle to wrench jaw's distance, wrench jaw is equipped with the opening, and the pipeline can get into wrench jaw through the opening. Although this technical scheme can pass the pipeline in narrow and small or sunken space and install or dismantle the fastener, the nut drops from the spanner easily, is difficult for the operation.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a wrench mechanism for narrow spaces to solve one or more problems in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a narrow space special spanner mechanism, includes the handle, and affiliated handle near-end connects first spanner head, first spanner head has first opening, narrow space special spanner mechanism still includes auxiliary assembly, auxiliary assembly one end with handle swivelling joint, the second spanner head is connected to the auxiliary assembly other end, the second spanner head has the second opening, second opening bore is less than first opening bore, rotates auxiliary assembly to first station, makes second spanner head part shelters from first opening.

Furthermore, the auxiliary assembly comprises a supporting plate, one end of the supporting plate is rotatably connected with the handle through a fixing piece, and the other end of the supporting plate is connected with the second wrench head.

Further, when the auxiliary assembly is located at the first station, the supporting plate is clamped with the handle.

Furthermore, the surface of the supporting plate is provided with a convex block, and the surface of the handle is provided with a first groove for the convex block to be clamped in.

Further, a wrench hole is formed in the far end of the handle.

Further, the wrench hole has internal teeth.

Furthermore, the caliber of the second opening is smaller than the caliber of the wrench hole, and the auxiliary assembly is rotated to a second station, so that the second wrench head part shields the wrench hole.

Further, when the auxiliary assembly is located at the second station, the supporting plate is clamped with the handle.

Furthermore, a second groove for the lug to be clamped in is arranged on the surface of the handle.

Further, the fixing piece is a rivet.

Compared with the prior art, the utility model discloses a beneficial technological effect as follows:

(one) the utility model discloses a set up auxiliary assembly, second opening bore is less than first opening bore, and is rotatory auxiliary assembly to first station makes second spanner head part shelters from first opening, can not drop simple structure, convenient operation to the nut when the nut is spacing.

(II) furtherly, second opening bore is less than the spanner aperture bore, rotates auxiliary assembly to second station makes second spanner head portion shelters from the spanner aperture, and the nut can not run and drop when spacing to the nut, simple structure, convenient operation.

And (III) furthermore, a lug is arranged on the supporting plate of the auxiliary assembly, a first groove and a second groove which correspond to each other are formed in the handle, the auxiliary assembly is clamped with the first groove when rotating to the first station, the auxiliary assembly is clamped with the second groove when rotating to the second station, and the auxiliary assembly is fixed and fixed during operation and is convenient to operate.

Drawings

Fig. 1 shows a front view structural diagram of an auxiliary assembly in a special wrench mechanism for narrow space provided by the embodiment of the present invention when the auxiliary assembly is at a first station.

Fig. 2 shows a schematic side view of an auxiliary assembly in a special wrench mechanism for narrow spaces, according to an embodiment of the present invention, when the auxiliary assembly is at a first station.

Fig. 3 shows a schematic front view of the auxiliary assembly of the special wrench mechanism for narrow spaces according to the embodiment of the present invention at the second station.

Fig. 4 shows a schematic side view of the auxiliary assembly in the special wrench mechanism for narrow space according to the embodiment of the present invention at the second station.

In the drawings, the reference numbers:

1. a grip; 11. a first groove; 12. a second groove; 2. a first wrench head; 21. a first opening; 3. a wrench hole; 31. internal teeth; 4. an auxiliary component; 41. a pallet; 42. a second wrench head; 421. a second opening; 43. a bump; 5. and a fixing member.

Detailed Description

To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.

In the description of the present invention, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like are defined to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention.

In order to describe the structure of the wrench mechanism for narrow space more clearly, the present invention defines the terms "distal end" and "proximal end", specifically, taking fig. 1 as an example, the upper end of the handle 1 in fig. 1 is the proximal end, and the lower end of the handle 1 in fig. 1 is the distal end.

Example one

Referring to fig. 1 and 2, a wrench mechanism for narrow spaces includes a handle 1, a first wrench head 2 is connected to a proximal end of the handle 1, the first wrench head 2 has a first opening 21, the wrench mechanism for narrow spaces further includes an auxiliary component 4, one end of the auxiliary component 4 is rotatably connected to the handle 1, the other end of the auxiliary component 4 is connected to a second wrench head 42, the second wrench head 42 has a second opening 421, and an aperture of the second opening 421 is smaller than an aperture of the first opening 21, the auxiliary component 4 is rotated to a first station, so that the second wrench head 42 partially covers the first opening 21.

Preferably, in the wrench mechanism for narrow spaces according to the first embodiment, the first opening 21 and the second opening 421 are U-shaped openings, so that the nut can be screwed conveniently. In other embodiments of the present invention, the first opening 21 and the second opening 421 may be polygonal openings, and the present invention is not limited thereto.

The specific structure of the auxiliary assembly 4 is described below as follows:

referring to fig. 1 and 2, further, the auxiliary assembly 4 includes a supporting plate 41, one end of the supporting plate 41 is rotatably connected to the handle 1 through a fixing member 5, and the other end of the supporting plate 41 is connected to the second wrench head 42.

Preferably, in the wrench mechanism for narrow spaces according to the first embodiment, the fixing member 5 is a rivet. It should be noted that the rivet cannot be riveted too tightly, ensuring that the plate 41 can rotate and the projection 43 can snap into the first and

second recesses

11, 12.

Referring to fig. 1 and 2, further, when the auxiliary assembly 4 is in the first working position, the supporting plate 41 is clamped with the handle 1. With continued reference to fig. 1 and fig. 2, specifically, a protrusion 43 is disposed on a surface of the supporting plate 41, and a first groove 11 for the protrusion 43 to be inserted is disposed on a surface of the grip 1.

Referring to fig. 3 and 4, further, a wrench hole 3 is disposed at a distal end of the grip 1.

Referring to fig. 3 and 4, preferably, in the special wrench mechanism for narrow space in the embodiment, the wrench hole 3 has internal teeth 31, and the internal teeth 31 match with the nut in shape, so that the nut can be screwed.

Referring to fig. 3 and 4, further, the caliber of the second opening 421 is smaller than the caliber of the wrench hole 3, and the auxiliary assembly 4 is rotated to the second station, so that the second wrench head 42 partially covers the wrench hole 3.

Referring to fig. 3 and 4, further, when the auxiliary assembly 4 is in the second working position, the supporting plate 41 is engaged with the handle 1. With continued reference to fig. 3 and fig. 4, in particular, the surface of the grip 1 is provided with a second groove 12 for the protrusion 43 to be snapped into.

The utility model discloses a concrete work flow as follows:

the auxiliary assembly 4 is rotated to the first station, the nut is placed in the first opening 21, the nut abuts against the second wrench head 42 behind the first opening 21, and the nut cannot fall off when the nut is limited. The wrench mechanism is inserted into the narrow space of the control cabinet, the nut is aligned with a nut hole (not shown in the figure) in the narrow space, and the nut is clamped in; or the nut may be tightened by aligning the nut with a stud (not shown) in the confined space.

Rotate supplementary subassembly 4 to the second station, put into the nut in the internal tooth 31 of spanner hole 3, the nut supports and leans on second spanner head 42 department behind spanner hole 3 this moment, and the nut can not run when spacing to the nut. The wrench mechanism is inserted into the narrow space of the control cabinet, the nut is aligned with a nut hole (not shown in the figure) in the narrow space, and the nut is clamped in; or the nut may be tightened by aligning the nut with a stud (not shown) in the confined space.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a narrow space special spanner mechanism, includes the handle, and affiliated handle near-end connects first spanner head, first spanner head has first opening, its characterized in that: the special wrench mechanism for the narrow space further comprises an auxiliary assembly, one end of the auxiliary assembly is rotatably connected with the handle, the other end of the auxiliary assembly is connected with a second wrench head, the second wrench head is provided with a second opening, the caliber of the second opening is smaller than that of the first opening, and the auxiliary assembly is rotated to a first station to enable the second wrench head to partially shield the first opening.

2. A wrench mechanism specially adapted for use in narrow spaces, as claimed in claim 1, wherein: the auxiliary assembly comprises a supporting plate, one end of the supporting plate is rotatably connected with the handle through a fixing piece, and the other end of the supporting plate is connected with the second wrench head.

3. A wrench mechanism specially adapted for use in narrow spaces, as claimed in claim 2, wherein: when the auxiliary assembly is located at the first station, the supporting plate is clamped with the handle.

4. A wrench mechanism specially adapted for use in narrow spaces, as claimed in claim 3, wherein: the surface of the supporting plate is provided with a convex block, and the surface of the handle is provided with a first groove for the convex block to be clamped into.

5. A wrench mechanism specially adapted for use in narrow spaces, as claimed in claim 4, wherein: the far end of the handle is provided with a wrench hole.

6. A wrench mechanism specially adapted for use in narrow spaces, as claimed in claim 5, wherein: the wrench hole has internal teeth.

7. A wrench mechanism specially adapted for use in narrow spaces, as claimed in claim 5, wherein: the second opening aperture is smaller than the aperture of the wrench hole, and the auxiliary assembly is rotated to a second station, so that the second wrench head part shields the wrench hole.

8. A wrench mechanism specially adapted for use in narrow spaces, as claimed in claim 7, wherein: when the auxiliary assembly is at the second station, the supporting plate is clamped with the handle.

9. A wrench mechanism specially adapted for use in narrow spaces, as claimed in claim 8, wherein: the surface of the handle is provided with a second groove for the lug to be clamped in.

10. A wrench mechanism specially adapted for use in narrow spaces, as claimed in claim 2, wherein: the fixing piece is a rivet.