CN220145852U - Round lock nut dismounting tool - Google Patents

Abstract

The utility model discloses a round lock nut dismounting tool which comprises a handle, wherein one end of the handle is provided with an arc-shaped connecting rod, the end part of the arc-shaped connecting rod is provided with a claw, the outer wall of the other end of the handle is sleeved with an outer sleeve, one end of the outer sleeve is inlaid with a mounting cylinder, the inside of the mounting cylinder is provided with a positioning block, and the surface of the handle is provided with a plurality of positioning grooves in a linear array; according to the utility model, the outer sleeve is slidably arranged on the handle through the designed outer sleeve, the positioning groove, the positioning block, the mounting cylinder and the end post, when the length of the handle cannot meet the maximum application of the acting force, the outer sleeve can be pulled to slide on the handle, the positioning block is clamped in the positioning groove to fix the position, and the whole length of the handle is adjusted, so that the optimal acting force application length is achieved, the acting force of a user is greatly reduced, and the use of the utility model is more labor-saving.

Description

Round lock nut dismounting tool

Technical Field

The utility model belongs to the technical field of mechanical equipment overhaul, and particularly relates to a round lock nut dismounting tool.

Background

The locking nut is a nut commonly used in the field of mechanical equipment and used for locking parts, the shape of the locking nut is various and has a round shape, a square shape, a trapezoid shape, an irregular shape and the like, the round locking nut is widely applied, the round locking nut in a water pump is mainly introduced here, a centrifugal pump is a pump which is widely applied in pump equipment, and a pump shaft end and a bearing end of the pump are generally provided with a round locking nut for locking a shaft sleeve and a bearing to play a role in axial positioning. The problem that bearing damage or shaft sleeve damage often occurs along with equipment operation is influenced by factors such as equipment ageing, operating personnel technology and the like, at this moment, the bearing or the shaft sleeve needs to be disassembled for replacement, the round lock nut is firstly disassembled when the parts are disassembled, because the round lock nut is irregular in shape, small in stress area, short in action force arm and rust and the like, the round lock nut is difficult to disassemble or assemble in place, in addition, the main disassembly method for the round lock nut at present uses a chisel clamp round lock nut at a plurality of reserved grooves, then a hand hammer or a large hammer is used for knocking chisel, the round lock nut is disassembled by the impact force of the chisel, a great amount of time is wasted when the round lock nut is disassembled in a relatively backward disassembly mode, and a large risk factor exists in the operation process, and therefore, a round lock nut disassembly tool is adopted, the claw of the tool is clamped into the reserved groove of the round lock nut and then is moved in a specified direction, so that the disassembly or assembly of the round lock nut can be realized.

When the existing round lock nut dismounting tool is used for dismounting the round lock nut, the claw of the dismounting tool is clamped into the reserved groove of the lock nut, and the dismounting tool can be wrenched, but the following defects exist:

(1) When the existing round lock nut dismounting tool is used for dismounting the round lock nut, the length of the handle is fixed, and the handle cannot be adjusted according to the actual dismounting field, so that the pulling acting force cannot be maximized, and the problem of labor-consuming pulling is caused.

Disclosure of Invention

The utility model aims to provide a round lock nut dismounting tool, which solves the problem that the round lock nut dismounting tool provided in the background art cannot maximize acting force by changing the length of a handle when in use, so that the pulling is laborious.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circular lock nut extracting tool, includes the handle, the one end of handle is provided with the arc connecting rod, the tip of arc connecting rod is provided with the jack catch, the other end outer wall cover of handle is equipped with the outer sleeve, the one end of outer sleeve is inlayed and is had a mounting cylinder, the inside of mounting cylinder is provided with the locating piece, a plurality of constant head tanks that are sharp array have been seted up on the surface of handle, the inside corresponding constant head tank is arranged in to the one end of locating piece, the tip of mounting cylinder runs through there is the end post, the one end of end post is fixed on the locating piece terminal surface.

Preferably, limit grooves are formed in two sides of the outer wall of the handle, limit blocks are arranged on the inner sides of the limit grooves, and the limit blocks are fixed on the outer sleeve.

Preferably, the other end of the positioning block is provided with a spring, and the spring is sleeved on the outer wall of the end post.

Preferably, the end post is movably connected with a pull ring, and the longitudinal section of the pull ring is of a circular structure.

Preferably, the cross section of the positioning block is of a circular structure, and the other end face of the positioning block is provided with an arc surface.

Preferably, the central axes of the positioning block, the end post and the mounting cylinder are mutually overlapped.

Preferably, the outer wall of the outer sleeve is provided with an anti-slip strip, and the anti-slip strip is a rubber member.

Compared with the prior art, the utility model has the beneficial effects that:

(1) Through the outer sleeve, the positioning groove, the positioning block, the mounting cylinder and the end post of the design, the outer sleeve is slidably mounted on the handle, when the length of the handle cannot meet the maximum application of acting force, the outer sleeve can be pulled to slide on the handle, the positioning block is clamped in the positioning groove for position fixing, and then the whole length of the handle is adjusted, so that the optimal acting force application length is achieved, the acting force of a user is greatly reduced, the use of the utility model is more labor-saving, one end of the limiting block is positioned in the limiting groove through the designed limiting block and the limiting groove, the sliding limiting of the outer sleeve is realized, the falling off from the handle is avoided, the spring exerts an elastic extrusion effect on the positioning block through the designed spring, the positioning block is ensured that one end of the positioning block is clamped in the positioning groove for positioning, and the positioning of the outer sleeve is enabled to be more stable.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is a partial front assembled cross-sectional view of the handle, mounting barrel, positioning block, and outer sleeve of the present utility model;

FIG. 4 is an assembled top cross-sectional view of the handle, outer sleeve and stop block of the present utility model;

in the figure: 1. a handle; 2. a limit groove; 3. a positioning groove; 4. a limiting block; 5. an anti-slip strip; 6. an outer sleeve; 7. a mounting cylinder; 8. an end post; 9. a pull ring; 10. a spring; 11. a positioning block; 12. a claw; 13. an arc-shaped connecting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 4, the present utility model provides a technical solution: a round lock nut dismounting tool comprises a handle 1, wherein one end of the handle 1 is provided with an arc-shaped connecting rod 13, the end part of the arc-shaped connecting rod 13 is provided with a claw 12, the outer wall of the other end of the handle 1 is sleeved with an outer sleeve 6, one end of the outer sleeve 6 is inlaid with a mounting cylinder 7, the inside of the mounting cylinder 7 is provided with a positioning block 11, the surface of the handle 1 is provided with a plurality of positioning grooves 3 which are in a linear array, one end of the positioning block 11 is arranged in the corresponding positioning groove 3, the end part of the mounting cylinder 7 penetrates through an end post 8, the outer sleeve 6 is slidably mounted on the handle 1 through the designed outer sleeve 6, the positioning groove 3, the positioning block 11, the mounting cylinder 7 and the end post 8, when the length of the handle 1 cannot meet the maximum application of acting force, the outer sleeve 6 can be pulled to slide on the handle 1 at the moment, and the positioning block 11 is clamped in the positioning groove 3 for position fixing, the whole length of the handle 1 is adjusted to achieve the optimal acting force applying length, the acting force of a user is greatly reduced, the utility model is more labor-saving to use, one end of the end post 8 is fixed on the end face of the positioning block 11, both sides of the outer wall of the handle 1 are provided with the limiting grooves 2, the inner sides of the limiting grooves 2 are provided with limiting blocks 4, the limiting blocks 4 are fixed on the outer sleeve 6, one end of each limiting block 4 is positioned in the limiting groove 2 through the designed limiting blocks 4 and the limiting grooves 2, the sliding limiting of the outer sleeve 6 is realized, the falling off from the handle 1 is avoided, the other end of the positioning block 11 is provided with a spring 10, the spring 10 applies the elastic extrusion action to the positioning block 11 through the designed spring 10, the positioning of one end of the positioning block 11 is ensured not to be separated when the positioning block 11 is clamped in the positioning groove 3, the positioning of the outer sleeve 6 is more stable, and the spring 10 is sleeved on the outer wall of the end post 8.

In this embodiment, preferably, there is pull ring 9 through swing joint on the end post 8, pull ring 9 through the design, be convenient for carry out the pulling to the end post 8, the longitudinal section of pull ring 9 is circular structure, the cross section of locating piece 11 is circular structure, and the other terminal surface of locating piece 11 sets up to the arc surface, the central axis of locating piece 11, end post 8 and installation section of thick bamboo 7 three coincide each other, the outer wall of outer sleeve 6 is provided with antislip strip 5, through antislip strip 5 of design, guarantee that outer sleeve 6 surface has good anti-skidding effect, so that the pulling effort is applyed, antislip strip 5 is the rubber material component.

The working principle and the using flow of the utility model are as follows: according to the utility model, the outer sleeve 6 is slidably arranged on the handle 1, when the length of the handle 1 cannot meet the maximum application of the acting force, the outer sleeve 6 can be pulled to slide on the handle 1, the positioning block 11 is clamped in the positioning groove 3 to fix the position, meanwhile, the spring 10 in a compressed state exerts an elastic extrusion effect on the positioning block 11, the positioning block 11 is ensured not to be separated when being clamped in the positioning groove 3, and according to the lever principle, the farther the lever acting force point is from the fulcrum position, the smaller the acting force is, so that the whole length of the handle 1 is adjusted, the optimal acting force application length is achieved, the acting force of a user is greatly reduced, and the use of the utility model is more labor-saving.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a circular lock nut extracting tool, includes handle (1), the one end of handle (1) is provided with arc connecting rod (13), the tip of arc connecting rod (13) is provided with jack catch (12), its characterized in that: the novel handle is characterized in that an outer sleeve (6) is sleeved on the outer wall of the other end of the handle (1), an installation cylinder (7) is inlaid at one end of the outer sleeve (6), a positioning block (11) is arranged in the installation cylinder (7), a plurality of positioning grooves (3) which are in a linear array are formed in the surface of the handle (1), one end of the positioning block (11) is arranged in the corresponding positioning groove (3), an end post (8) penetrates through the end portion of the installation cylinder (7), and one end of the end post (8) is fixed on the end face of the positioning block (11).

2. The round lock nut removal tool of claim 1, wherein: limiting grooves (2) are formed in two sides of the outer wall of the handle (1), limiting blocks (4) are arranged on the inner sides of the limiting grooves (2), and the limiting blocks (4) are fixed on the outer sleeve (6).

3. The round lock nut removal tool of claim 1, wherein: the other end of the positioning block (11) is provided with a spring (10), and the spring (10) is sleeved on the outer wall of the end post (8).

4. A round lock nut removal tool as claimed in claim 3, wherein: the end post (8) is movably connected with a pull ring (9), and the longitudinal section of the pull ring (9) is of a circular structure.

5. A round lock nut removal tool as claimed in claim 3, wherein: the cross section of the positioning block (11) is of a circular structure, and the other end face of the positioning block (11) is provided with an arc surface.

6. The round lock nut removal tool of claim 5, wherein: the central axes of the positioning block (11), the end column (8) and the mounting cylinder (7) are mutually overlapped.

7. The round lock nut removal tool of claim 1, wherein: the outer wall of the outer sleeve (6) is provided with an anti-slip strip (5), and the anti-slip strip (5) is a rubber member.