CN215789499U

CN215789499U - Multi-angle wrench assembly in narrow space

Info

Publication number: CN215789499U
Application number: CN202122263394.8U
Authority: CN
Inventors: 刘荣娥; 庞天宁; 胡树山; 张艳阳; 衡永鹏; 张兴华
Original assignee: Ordos Institute of Technology
Current assignee: Ordos Institute of Technology
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-11
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a multi-angle wrench assembly in a narrow space, which comprises a wrench opening and a handle, and is characterized in that: the wrench opening is connected with the handle through a universal joint; the wrench opening and the handle are connected with an adjusting component, the included angle between the wrench opening and the handle is adjusted and locked through the adjusting component, and the angle between the wrench opening and the handle can be adjusted at any angle so as to bypass the obstacle by adjusting the angle of the wrench opening; meanwhile, the handle does not need to be swung when the fixing part is disassembled and assembled through the rotating mechanism, but force is transmitted through rotating the handle, so that the problem of frequent alignment of the wrench opening and the bolt or the nut is solved, and the use requirement under a small-space complex environment can be met really.

Description

Multi-angle wrench assembly in narrow space

Technical Field

The utility model relates to the field of tool wrenches, in particular to a wrench capable of adapting to a narrow space.

Background

The spanner is the amplification instrument of the power of a kind of revolving bolt or nut, and it utilizes the principle of lever to enlarge the power of hand to realize screwing up bolt, nut, and then connect relevant structure fixedly, along with mechanized gradual abundance and development, the spanner also replaces step by step, and it is more and more convenient not only to use, and the specificity is also stronger and more moreover, and the specificity mainly reflects under certain kind of scene, uses more convenient usefulness.

However, due to the limitation of space, the bolt or nut in a narrow area is very inconvenient for the normal wrench to use; the first is that the space is narrow, and the turning space for screwing is small in the process of screwing the wrench, so that the dragging efficiency is seriously increased; secondly, the space is narrow, technicians are difficult to make the force application and the posture unsmooth, and finally the disassembly or the assembly is difficult to carry out; after each screwing, the wrench and the bolt or the nut need to be aligned and aligned again, so that the operation is not a problem at all for a large space, but the difficulty is greatly improved for a position with a narrow space (the visibility, the action and the like are limited); finally, the existing solution is to remove the blocking piece first and then remove the target bolt (or nut), but the solution is still undone.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a multi-angle wrench assembly in a narrow space, in which the angle between a wrench opening and a handle can be adjusted at any angle to bypass an obstacle by adjusting the angle of the wrench opening; meanwhile, the handle does not need to be swung when the fixing part is disassembled and assembled through the rotating mechanism, but force is transmitted through rotating the handle, so that the problem of frequent alignment of the wrench opening and the bolt or the nut is solved, and the use requirement under a small-space complex environment can be met really.

In a first aspect, the application provides a multi-angle wrench assembly for a narrow space, comprising a wrench opening and a handle,

the wrench opening is connected with the handle through a universal joint;

the wrench opening and the handle are connected with an adjusting component, and the included angle between the wrench opening and the handle is adjusted and locked through the adjusting component.

With reference to the first aspect, as one possible implementation structure, the handle includes a rotating rod, one end of the rotating rod is connected to the universal joint, and a rotating handle is disposed at the other end of the rotating rod;

the rotating rod is provided with a holding rod, and the holding rod and the rotating rod can rotate relatively.

On the basis of the structure of the handle, one end of the holding rod close to the rotating handle is provided with a boosting rod which is vertical to the holding rod.

With reference to the first aspect, as one possible implementation structure, the wrench opening includes a socket wrench, the socket wrench is detachably connected to the universal joint, and the socket wrench and the universal joint are not rotatable relative to each other.

With reference to the first aspect, as one possible implementation structure, the adjusting assembly includes a first fixing ring, wherein the first fixing ring is rotatably mounted on the wrench opening, so that the first fixing ring performs a rotating motion on the wrench opening or the universal joint;

the side surface of the first fixing ring is hinged with a transmission rod, the other end of the transmission rod is hinged with a second fixing ring, and the second fixing ring is arranged on the handle and slides along the axial direction of the handle;

the second fixing ring is slid, and the driving rod drives the jaw to change the included angle between the jaw and the handle.

On the basis of the structure of the adjusting assembly, a locking structure is arranged on the second fixing ring.

Further, the locking structure may be, but is not limited to, a locking bolt.

The spanner opening in this application, it has multiple different specifications, and the accessible is changed and is pulled the bolt or the nut that the mouth comes the adaptation equidimension not to further extend its practicality.

The utility model has the beneficial effects that:

in the transmission wrench, a wrench opening and a handle are rigidly fixed together, after a narrow space is met, force amplification is not obvious enough by adopting a short wrench, and the force is hard when screwing, and the tail end of the handle of the wrench is blocked by a barrier and cannot be used by adopting a long wrench, so that great trouble is brought to field technicians; therefore, the wrench provided by the application has the advantages that the wrench opening and the handle are not in a linear structure, and the included angle between the wrench opening and the handle can be adjusted at will, so that the practicability of the wrench in a narrow space is greatly expanded, and due to space downloading, a sufficient handle swing space is needed when the driven wrench is screwed, but in reality, the narrow space does not have the condition; the 'swinging motion' of the handle is converted into 'rotating motion' through the transmission of the universal joint, and therefore the space requirement is greatly reduced.

Drawings

FIG. 1 is a schematic view of a wrench assembly and a handle in a linear state.

Fig. 2 is a schematic view of the handle structure.

FIG. 3 is a schematic view of a wrench opening and a universal joint.

Fig. 4 is a schematic structural view of a wrench installation adjustment assembly.

Fig. 5 is a structural diagram of the adjusting assembly in a certain state after the angle is adjusted.

FIG. 6 is a schematic diagram of the structure of the device.

In the figure, 1, a jaw; 2. a handle; 2.1, rotating a rod; 2.2, holding the rod; 2.3, turning a handle; 3. a force increasing rod; 4. a universal joint; 5. a first retaining ring; 6. a transmission rod; 7. a second retaining ring; 8. a locking structure; 9. and a fixing member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear, the present application will be further described in detail with reference to the accompanying drawings.

For screwing bolts or nuts in narrow spaces (buildings or mechanical equipment with complex structures), at present, only a conventional wrench can be used for operation, but because the space is narrow, the normal action of the common wrench is difficult to play due to the influence of the working principle or the size; in contrast, the wrench with the adjustable angle between the wrench opening 1 and the handle 2 is developed, and the angle between the wrench opening 1 and the handle 2 is adjusted to enable a technician to be in a smooth posture in a narrow area as much as possible.

For clear understanding of the technical solutions of the present application, the technical solutions provided in the present application will be described in detail below with reference to specific embodiments and accompanying drawings.

The terminology used in the following examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, such as "one or more", unless the context clearly indicates otherwise. It should also be understood that in the following embodiments of the present application, "at least one", "one or more" means one, two or more.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Referring to fig. 1, there is shown a basic structure diagram of a multi-angle wrench assembly in a narrow space, which can be seen from the figure, including a wrench opening 1 and a handle 2, wherein the wrench opening 1 is used for butting against a bolt or a nut (the bolt or the nut is not limited to a hexagon bolt and a nut, and other fasteners 9 having the same function as the bolt or the nut can be implemented, and hereinafter referred to as fasteners 9); the handle 2 is a force arm and is used for holding and amplifying the hand force and transmitting the hand force to the wrench opening 1; the jaw 1 and the handle 2 of the traditional wrench are fixedly connected and rigidly connected; in the application, the method is modified, and the modified points are as follows:

firstly, the connection mode of the wrench opening 1 and the handle 2 is changed in the application, the wrench opening 1 and the handle 2 are connected through the universal joint 4, the universal joint 4 is used as a connecting piece, the handle 2 and the wrench opening 1 are connected to form the wrench, and the head of the wrench opening 1 can be adjusted at any angle (within a certain range), so that the adaptability is provided for narrow and complex environments; when the wrench is specifically implemented, the wrench opening 1 is sleeved on the fixing piece 9, and then the angle of the handle 2 is adjusted, so that a user is in the most smooth angle or posture;

however, the universal joint 4 is very flexible, and only the universal joint 4 is used for realizing that it is difficult to align the wrench opening 1 with the fixing part 9, and in operation, because of the flexibility of the universal joint 4, the angle between the wrench opening 1 and the handle 2 is not well controlled, for this reason, in the application, the wrench opening 1 and the handle 2 are structurally connected with an adjusting component, and the included angle between the wrench opening 1 and the handle 2 is adjusted and locked through the adjusting component; that is, the setting of coupling assembling for the directive direction of spanner 1 has been in controllable state, just can control the directive of spanner 1 through adjusting the subassembly, makes when counterpointing with mounting 9, provides convenience.

The above constitutes the essential technical feature of the present application, and on the basis of the above structure, the applicant introduces each of the above structural members in detail by different embodiments

Example 1

As shown in fig. 2, in the embodiment of the present application, the structure of the handle 2 is mainly described, which is as follows as a possible structure: the handle 2 comprises a rotating rod 2.1, one end of the rotating rod 2.1 is welded with the universal joint 4, a rotating handle 2.3 is arranged at the other end of the rotating rod in a key groove assembling mode (the rotating handle 2.3 can be of a rod-shaped structure and is not limited to a cake-shaped structure), and force is transmitted to the wrench opening 1 through the universal joint 4 by rotating the rotating handle 2.3; considering that the rotating rod 2.1 rotates and is not easy to hold by hands, the rotating rod 2.1 is sleeved with the holding rod 2.2, the holding rod 2.2 and the rotating rod 2.1 can rotate relatively, and two groups of bearings can be respectively arranged at two ends of the holding rod 2.2 during installation and are assembled and connected through the bearings; secondly, in order to save cost, the two can be directly connected in a sleeving way in a clearance fit way, and the method can also be implemented; it should be noted that when the holding rod 2.2 is processed, the holding rod 2.2 and the rotating rod 2.1 are relatively rotated during operation, so that the meat of hand is easily stuck in the gap between the holding rod 2.2 and the rotating rod, and accordingly, the edges (not shown in the figure) can be processed at the two ends of the holding rod 2.2, so that the holding rod is held in the middle of the holding rod 2.2 during holding, thereby avoiding the problem.

In the implementation, the holding rod 2.2 is held by the left hand, the rotating handle 2.3 is rotated by the right hand to work, but when the holding rod meets a bolt with strong fixing force, the holding handle does not take any force, on the basis of the structure of the handle 2 in the embodiment, the reinforcing rod 3 is fixed on one end, close to the rotating handle 2.3, of the holding rod 2.2 and perpendicular to the holding rod 2.2, the fixing of the reinforcing rod 3 can improve the holding feeling of the holding rod 2.2 by the hand and the holding force, when the reinforcing rod 3 is fixed, threaded holes which are not punched can be radially processed on the holding rod 2.2, the reinforcing rod 3 is connected with the holding rod 2.2 in a screwing mode, and when the threaded holes are processed, a plurality of the reinforcing rods can be axially arranged, so that a technician can select the most suitable holding state to use and ensure smooth operation.

Example 2

As shown in fig. 3, in the present embodiment, the trigger 1 is described as follows as a possible structure: spanner 1 is box spanner, and box spanner's tail end has square recess, and the purpose is for carrying out detachable connection with handle 2, to this, in this community process become with the one end of universal joint 4 with the square plush copper of spanner 1 looks adaptation, universal joint 4 detachable is connected with spanner 1, and under this structure, the revolving force that handle 2 produced transmits to spanner 1 through universal joint 4 on, is twisted by spanner 1 to mounting 9.

The wrench mouth 1 in embodiment 2 has a plurality of different sizes, such as 8, 10 or 12, so as to adapt to different sizes of the fixing pieces 9.

Example 3

As shown in fig. 4, in the present embodiment, a description is mainly given of an adjusting assembly, which is a possible structure as follows: the adjusting assembly comprises a first fixing ring 5, wherein the first fixing ring 5 is rotatably sleeved on the wrench opening 1 and can relatively rotate on the wrench opening 1, when the wrench opening 1 is sleeved, a ring groove is processed on the wrench opening 1, the first fixing ring 5 is formed by combining two half rings, the two half rings are oppositely buckled in the ring groove and fixedly connected through a hexagon socket head cap screw (the structure is not shown in the figure), and after the first fixing ring 5 is installed, the wrench opening 1 can rotate; the second mode is that first solid fixed ring 5 is closed loop configuration, when the installation, will pull mouthful 1 and pull down, then from 1 butt joint pot head of pulling mouthful on universal joint 4, again will pull mouthful 1 dress back, also can realize the assembly.

A hinge seat is horizontally processed on the side surface of the first fixing ring 5, one end of the transmission rod 6 is connected with the hinge seat through a rotating shaft, the other end of the transmission rod is hinged with a second fixing ring 7 (the connection mode of the two is consistent with that of the first fixing ring 5), and the second fixing ring 7 is sleeved on the handle 2 and slides along the axial direction of the handle 2;

in the implementation process, the second fixing ring 7 slides forwards and backwards along the axial direction of the handle 2, the driving rod 6 drives the wrench opening 1 to change the controllability of the included angle between the wrench opening 1 and the handle 2, and the wrench opening 1 and the fixing piece 9 are aligned conveniently and efficiently under the structure.

Above-mentioned structure function has realized the directional regulation to pulling mouth 1, but after adjusting, need keep its direction to make things convenient for the hand application of force to twist soon, to this, on the structural basis of above-mentioned adjusting part, at the solid fixed ring 7 of second along the processing threaded hole that radially link up, at threaded hole internal locking bolt as locking structure 8, adjust the position after, screw up the locking bolt, just can make and pull the contained angle between mouth 1 and the handle 2 and fix, because the effect of first solid fixed ring 5, it can not produce any restraint to pulling the rotation of mouth 1, can not influence normal use.

As shown in fig. 5, a schematic view of a state of the wrench opening 1 and the handle 2 after adjusting the angle is shown, and it can be seen from the changed view that the wrench opening 1 can be rotated by rotating the rotating handle 2.3.

As shown in fig. 6, in a narrow space, for the fitting of the fixing member 9, such a structure can be adapted to a more complicated field environment, whereas the conventional line wrench is shielded by other structural members directly opposite to the fixing member 9 and cannot be used.

When implementing, select suitable spanner 1 to the solid fixed ring 7 of handheld second is fixed spanner 1, will be pulled 1 and aim at mounting 9 and cover on it, then adjusts the contained angle between spanner 1 and the handle 2 through the solid fixed ring 7 of slip second, adjusts to suitable own state after, screws up the locking bolt, then the left hand grips holding rod 2.2, and the right hand is held turning handle 2.3 and is rotated, realizes the installation or the dismantlement to mounting 9.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a narrow space multi-angle spanner subassembly, includes and pulls out mouth (1) and handle (2), its characterized in that:

the wrench opening (1) is connected with the handle (2) through a universal joint (4);

the wrench opening (1) and the handle (2) are connected with an adjusting component, and the included angle between the wrench opening (1) and the handle (2) is adjusted and locked through the adjusting component.

2. The narrow space multi-angle wrench assembly of claim 1, wherein: the handle (2) comprises a rotating rod (2.1), one end of the rotating rod (2.1) is connected with the universal joint (4), and the other end of the rotating rod (2.1) is provided with a rotating handle (2.3); a holding rod (2.2) is arranged on the rotating rod (2.1), and the holding rod (2.2) and the rotating rod (2.1) can rotate relatively.

3. The narrow space multi-angle wrench assembly of claim 2, wherein: one end of the holding rod (2.2) close to the rotating handle (2.3) is provided with a force increasing rod (3) which is vertical to the holding rod (2.2).

4. The narrow space multi-angle wrench assembly of claim 1, wherein: the wrench opening (1) comprises a socket wrench, the socket wrench is detachably connected with the universal joint (4), and the socket wrench and the universal joint (4) cannot rotate relatively.

5. The narrow space multi-angle wrench assembly of claim 1, wherein: the adjusting assembly comprises a first fixing ring (5), wherein the first fixing ring (5) is rotatably arranged on the wrench opening (1) so that the first fixing ring (5) rotates on the wrench opening (1);

a transmission rod (6) is hinged to the side face of the first fixing ring (5), the other end of the transmission rod is hinged to a second fixing ring (7), and the second fixing ring (7) is arranged on the handle (2) and slides along the axial direction of the handle (2);

the second fixing ring (7) is slid, and the driving rod (6) drives the wrench opening (1) to change the included angle between the wrench opening and the handle (2).

6. The narrow space multi-angle wrench assembly of claim 5, wherein: a locking structure (8) is arranged on the second fixing ring (7).