CN217225320U

CN217225320U - Dismounting spanner

Info

Publication number: CN217225320U
Application number: CN202220581748.5U
Authority: CN
Inventors: 李昆; 聂磊; 彭杨; 宋豪; 何平生; 王强春; 王光敬; 吉莉
Original assignee: China Tobacco Guizhou Industrial Co Ltd
Current assignee: China Tobacco Guizhou Industrial Co Ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-08-19
Anticipated expiration: 2032-03-17

Abstract

The utility model provides a disassembly and assembly wrench, which is used for disassembling and assembling a locking nut, wherein the end surface of the locking nut is provided with a limit opening and a notch, and the notch penetrates through two end surfaces and the circumferential surface of the locking nut and is communicated with a threaded hole of the locking nut; the spanner includes: a handle; the seat body is connected with the handle, and a first limiting part and a second limiting part are arranged on the seat body; when the spanner is matched with the locking nut, the first limiting part extends into the limiting opening, the second limiting part extends into the notch, the shape of the first limiting part is matched with that of the limiting opening, and the shape of the second limiting part is matched with that of the notch. The utility model discloses can make lock nut easily dismantle, improve and dismantle efficiency.

Description

Dismounting spanner

Technical Field

The utility model relates to a cigarette production technical field, in particular to dismouting spanner.

Background

In the prior art, a tipping paper gluing roller of a plug assembler is arranged on a rotating shaft, and the gluing roller is fastened at the end part of the rotating shaft through a locking nut. The locking mode of the locking nut is self-locking, namely when the device works, the rotating direction of the gluing roller is opposite to the screwing direction of the locking nut, and the locking nut is gradually screwed in the rotating process of the gluing roller.

According to the requirements of relevant systems of equipment maintenance, after production in each working day is finished, the rubber cylinder needs to be cleaned. When the rubber cylinder is cleaned, the locking nut needs to be detached firstly, and then the rubber covered roller is taken out for cleaning. At present, the disassembling mode of the rubber roller locking nut on the tipping paper of the assembler is to manually loosen the locking nut by hand. Because the equipment is operated, the self-locking effect of the locking nut has stronger locking force, so that the locking nut is difficult to disassemble. In this case, the operator may strike the lock nut using a screwdriver and a hammer, or remove the lock nut using a pipe wrench. However, the above dismounting manner may not only cause mechanical damage to the rotating shaft and the lock nut, but also shorten the service life of the lock nut, and the dismounting efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that lock nut dismantles the difficulty and dismantles inefficiency. The utility model provides a dismouting spanner can make lock nut easily dismantle, improves and dismantles efficiency.

In order to solve the above-mentioned technical problems,

the utility model provides a disassembly and assembly wrench, which is used for disassembling and assembling a locking nut, wherein the end surface of the locking nut is provided with a limit opening, the circumferential surface of the locking nut is provided with a notch, the notch runs through the two end surfaces of the locking nut, and the notch is communicated with a threaded hole of the locking nut; the spanner includes:

a handle;

the seat body is connected with the handle, and a first limiting part and a second limiting part are arranged on the seat body;

when the spanner is matched with the locking nut, the first limiting part extends into the limiting opening, the second limiting part extends into the notch, the shape of the first limiting part is matched with that of the limiting opening, and the shape of the second limiting part is matched with that of the notch.

Optionally, the limiting opening penetrates through two end faces of the lock nut, and the limiting opening is communicated with the threaded hole.

Optionally, the limiting opening and the notch are arranged on two sides of the threaded hole along the radial direction of the threaded hole.

Optionally, the limiting opening comprises:

the axis of the through hole is parallel to the axis of the threaded hole;

the through groove is arranged between the through hole and the threaded hole and is respectively communicated with the through hole and the threaded hole;

the through hole and the through groove penetrate through two end faces of the locking nut.

Optionally, the first limiting part comprises:

the limiting column is arranged on the seat body;

the first limiting plate is connected with the seat body and the limiting column;

when the spanner and lock nut cooperate, spacing post inserts in the through-hole, and first limiting plate inserts in logical inslot.

Optionally, a projection of the notch in the axial direction of the threaded hole is a rectangle extending in the radial direction of the threaded hole.

Optionally, the second position-limiting portion is a second position-limiting plate, and when the wrench is matched with the lock nut, the second position-limiting plate is inserted into the notch.

Optionally, the axis of the threaded hole and the axis of the through hole are both located on the same reference plane, and the reference plane penetrates through the through groove and the notch.

Optionally, a connecting hole is formed in the base body, one end of the handle is detachably inserted into the connecting hole, the other end of the handle extends out of the base body, and when the wrench is matched with the locking nut, the axis of the connecting hole is perpendicular to the axis of the threaded hole.

Optionally, the seat body is provided with a yielding hole, and when the wrench is matched with the locking nut, the axis of the yielding hole coincides with the axis of the threaded hole.

Compared with the prior art the utility model discloses following beneficial effect has:

the embodiment of the utility model provides a, through set up spacing opening and breach on lock nut, correspondingly, be equipped with first spacing portion and the spacing portion of second on the pedestal of spanner, when spanner and lock nut match, during first spacing portion stretched into spacing opening, during the spacing portion of second stretched into the breach. The notch penetrates through two end faces and the circumferential face of the locking nut and is communicated with the threaded hole of the locking nut; the operator can make first spacing portion expand the breach through rotating the spanner, and then with the screw hole expansion, can also exert the moment of torsion to lock nut simultaneously to make lock nut convenient to detach, improved dismantlement efficiency.

Drawings

Fig. 1 shows a schematic structural view of a lock nut according to an embodiment of the present invention;

fig. 2 shows a top view of a lock nut according to an embodiment of the invention;

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

FIG. 4 illustrates a top view of a wrench, in accordance with an embodiment of the present invention;

fig. 5 is a schematic view of a seat body according to an embodiment of the present invention.

Reference numerals:

1. the locking device comprises a locking nut, 2 parts of a limiting opening, 3 parts of a notch, 4 parts of a threaded hole, 5 parts of a wrench, 6 parts of a handle, 7 parts of a seat body, 8 parts of a first limiting part, 9 parts of a second limiting part, 10 parts of a through hole, 11 parts of a through groove, 12 parts of a limiting column, 13 parts of a first limiting plate, 14 parts of a second limiting plate, 15 parts of a connecting hole and 16 parts of a yielding hole.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The embodiment of the utility model provides a disassembly and assembly wrench, which is used for disassembling and assembling a locking nut 1, as shown in fig. 1 and fig. 2, a limit opening 2 is arranged on the end surface of the locking nut 1, a notch 3 is arranged on the circumferential surface of the locking nut 1, the notch 3 runs through two end surfaces of the locking nut 1, and the notch 3 is communicated with a threaded hole 4 of the locking nut 1; as shown in fig. 3, the wrench 5 includes:

a handle 6;

the seat body 7 is connected with the handle 6, and a first limiting part 8 and a second limiting part 9 are arranged on the seat body 7;

when the spanner 5 is matched with the locking nut 1, the first limiting part 8 extends into the limiting opening 2, the second limiting part 9 extends into the notch 3, the shape of the first limiting part 8 is matched with that of the limiting opening 2, and the shape of the second limiting part 9 is matched with that of the notch 3.

Adopt above-mentioned technical scheme's embodiment, through set up spacing opening 2 and breach 3 on lock nut 1, correspondingly, be equipped with first spacing portion 8 and the spacing portion 9 of second on the pedestal 7 of spanner 5, when spanner 5 and lock nut 1 cooperate, first spacing portion 8 stretches into in spacing opening 2, and the spacing portion 9 of second stretches into in the breach 3. The notch 3 penetrates through two end faces and the circumferential face of the locking nut 1 and is communicated with the threaded hole 4 of the locking nut 1; the operator can make first spacing portion 8 expand breach 3 through rotating spanner 5, and then with screw hole 4 expansions, can also apply the moment of torsion to lock nut 1 simultaneously, makes 1 convenient to detach of lock nut, has improved dismantlement efficiency.

Further, as shown in fig. 2, the limiting opening 2 penetrates through two end surfaces of the lock nut 1, and the limiting opening 2 is communicated with the threaded hole 4. Make spacing opening 2, screw hole 4 and breach 3 be linked together, can make screw hole 4 more easily expanded when dismantling lock nut 1, make lock nut 1 not hard up and easily dismantle.

Further, as shown in fig. 2, the limiting opening 2 and the notch 3 are disposed on two sides of the threaded hole 4 along the radial direction of the threaded hole 4. When the locking nut 1 is detached, the stress of the locking nut 1 on two sides of the notch 3 is the same, and the locking nut 1 is prevented from being stressed and deformed. And the limiting opening 2 and the notch 3 can be processed at the same time, so that the production efficiency is improved.

Further, the limit opening 2 includes:

a through hole 10, the axis of which is parallel to the axis of the threaded hole 4;

the through groove 11 is arranged between the through hole 10 and the threaded hole 4, and the through groove 11 is respectively communicated with the through hole 10 and the threaded hole 4;

the through hole 10 and the through groove 11 both penetrate through two end faces of the lock nut 1.

Further, as shown in fig. 4, the first stopper portion 8 includes:

the limiting column 12 is arranged on the seat body 7;

the first limit plate 13 is connected with the seat body 7 and the limit column 12; and the diameter of the limiting column 12 is larger than the thickness of the first limiting plate 13, so that the strength of the first limiting part 8 is increased, and the first limiting part 8 is prevented from deforming when the locking nut 1 is detached.

When the wrench 5 is engaged with the lock nut 1, the limiting column 12 is inserted into the through hole 10, and the first limiting plate 13 is inserted into the through groove 11.

Furthermore, the projection of the notch 3 along the axial direction of the threaded hole 4 is a rectangle extending along the radial direction of the threaded hole 4, so that the notch 3 is easy to process, and the production efficiency is improved.

Further, the second position-limiting portion 9 is a second position-limiting plate 14, and when the wrench 5 is engaged with the lock nut 1, the second position-limiting plate 14 is inserted into the notch 3. The operator can drive the second limiting plate 14 through the handle 6 and rotate, makes breach 3 expand and then drives screw hole 4 and expand, makes lock nut 1 convenient to detach.

Further, the axis of the threaded hole 4 and the axis of the through hole 10 are both located on the same reference plane, and the reference plane penetrates through the through groove 11 and the notch 3. This design can further ensure when dismantling lock nut 1, and the lock nut 1 atress size of breach 3 both sides is the same, avoids lock nut 1 atress to warp. And the limiting opening 2 and the notch 3 can be processed at the same time, so that the production efficiency is improved.

Further, as shown in fig. 5, a connection hole 15 is formed in the base 7, one end of the handle 6 is detachably inserted into the connection hole 15, and the other end of the handle 6 extends out of the base 7. When the wrench 5 is mated with the lock nut 1, the axis of the coupling hole 15 is perpendicular to the axis of the threaded hole 4.

Further, as shown in fig. 3 and 4, the seat body 7 is provided with a relief hole 16, and when the wrench 5 is matched with the lock nut 1, the axis of the relief hole 16 coincides with the axis of the threaded hole 4. Because the threaded hole of lock nut 1 is equipped with the bolt, and the tip of bolt can stretch out from the threaded hole, when first spacing portion 8 and second spacing portion 9 insert spacing opening 2 and breach 3 in, through setting up the hole 16 of stepping down, can make the tip of bolt stretch into the hole 16 of stepping down to prevent that the tip of bolt from producing with the terminal surface of pedestal 7 and interfering.

The embodiment of the utility model discloses dismouting spanner's theory of operation as follows:

when lock nut is dismantled to needs, stretch into spacing opening 2 with first spacing portion 8, during spacing portion 9 of second stretches into breach 3, make spanner 5 and lock nut 1 cooperate. The operator drives first spacing portion 8 through rotating spanner 5 and expands breach 3, and then with screw hole 4 expansions, can also exert the moment of torsion to lock nut 1 simultaneously, makes lock nut 1 not hard up and convenient to detach, has improved dismantlement efficiency.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the invention, and it is not intended to limit the invention to the specific embodiments described. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A disassembly and assembly wrench is used for disassembling and assembling a locking nut (1), and is characterized in that a limiting opening (2) is formed in the end face of the locking nut (1), notches (3) are formed in the circumferential face of the locking nut (1), the notches (3) penetrate through the two end faces of the locking nut (1), and the notches (3) are communicated with threaded holes (4) of the locking nut (1); the wrench (5) comprises:

a handle (6);

the seat body (7) is connected with the handle (6), and a first limiting part (8) and a second limiting part (9) are arranged on the seat body (7);

when spanner (5) with lock nut (1) phase-match, first spacing portion (8) stretch into in spacing opening (2), spacing portion (9) of second stretch into in breach (3), just the shape of first spacing portion (8) with the shape phase-match of spacing opening (2), the shape of spacing portion (9) of second with the shape phase-match of breach (3).

2. The spanner for disassembling and assembling according to claim 1, wherein the limiting opening (2) penetrates both end surfaces of the lock nut (1), and the limiting opening (2) is communicated with the threaded hole (4).

3. The impact wrench according to claim 2, wherein the limiting opening (2) and the notch (3) are provided on both sides of the threaded hole (4) in the radial direction of the threaded hole (4).

4. A spanner according to claim 3, wherein said limit opening (2) comprises:

a through hole (10) having an axis parallel to the axis of the threaded hole (4);

the through groove (11) is arranged between the through hole (10) and the threaded hole (4), and the through groove (11) is respectively communicated with the through hole (10) and the threaded hole (4);

the through hole (10) and the through groove (11) penetrate through two end faces of the locking nut (1).

5. The disassembly and assembly wrench as claimed in claim 4, wherein the first stopper portion (8) comprises:

the limiting column (12) is arranged on the seat body (7);

the first limit plate (13) is connected with the seat body (7) and the limit column (12);

when the spanner (5) is matched with the locking nut (1), the limiting column (12) is inserted into the through hole (10), and the first limiting plate (13) is inserted into the through groove (11).

6. A spanner according to claim 5, wherein the projection of the notch (3) in the direction of the axis of the threaded hole (4) is rectangular extending in the radial direction of the threaded hole (4).

7. A spanner according to claim 6, wherein said second limit portion (9) is a second limit plate (14), and when said spanner (5) is engaged with said lock nut (1), said second limit plate (14) is inserted into said notch (3).

8. The impact wrench according to claim 7, wherein the axis of the threaded hole (4) and the axis of the through hole (10) are located on the same reference plane, and the reference plane passes through the through slot (11) and the notch (3).

9. The spanner for disassembling and assembling according to any one of claims 5 to 8, wherein the base (7) is provided with a connecting hole (15), one end of the handle (6) is detachably inserted into the connecting hole (15), the other end of the handle (6) extends to the outside of the base (7), and when the spanner (5) is matched with the lock nut (1), the axis of the connecting hole (15) is perpendicular to the axis of the threaded hole (4).

10. A spanner according to any one of claims 5 to 8, wherein said seat (7) is provided with a hole (16) for avoiding the rotation of said spanner (5) with respect to said lock nut (1), and the axis of said hole (16) coincides with the axis of said threaded hole (4).