CN220248569U - Anti-back anti-loose lock nut - Google Patents

Abstract

The utility model discloses a non-return anti-loose lock nut, which relates to the field of nuts and solves the problem that the nut is loosened to cause sliding back due to vibration of a pipe or other cambered surface objects.

Description

Anti-back anti-loose lock nut

Technical Field

The utility model relates to the technical field of nuts, in particular to a back-stopping anti-loose lock nut.

Background

In daily life often can use bolt and nut bolt some things, and the tubular object that uses also can use nut bolt to bolt, and when using the nut to bolt cambered surface article, be limited by the cambered surface appearance, when using conventional nut to bolt, often be difficult to laminate the cambered surface and carry out powerful screw thread bolt, lead to after the nut is installed, because pipe or other cambered surface thing take place vibrations, this transmission of vibrations is to nut junction, and the connection that makes the nut takes place not hard up easily leads to the backsliding, makes the connection unstable.

For this purpose, we propose a backstop locknut.

Disclosure of Invention

The utility model provides a non-return anti-loose lock nut.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locking nut that ends, includes upper pipe, down pipe and bolt, down the surface mounting of pipe has the arc piece, one side that the arc piece kept away from down the pipe is provided with the connecting block, the surface rotation of connecting block is connected with the rotation shell, the inside swing joint of connecting block has the fixed column, the upside of connecting block is pegged graft and is had the inserted block.

Preferably, the inner side of the rotating shell is provided with threads, the rotating shell is in threaded connection with the surface of the bolt, and the insert block is clamped with the fixing column.

Preferably, the contact surface of the arc-shaped block and the lower pipe is connected with a cushion layer in an adhesive mode, and the cushion layer is in lap joint with the surface of the lower pipe.

Preferably, the upper part of the connecting block is provided with a slot, the inserting block is inserted into the connecting block through the slot, and the lower end of the inserting block is subjected to fillet treatment.

Preferably, the connecting block is provided with a ring groove at one side far away from the arc-shaped block, the circumference of the fixing column is distributed in the fixing column, and the fixing column is in sliding connection in the ring groove.

Preferably, one side of the rotating shell, which is close to the connecting block, is fixedly connected with a clamping block, one side of the clamping block, which is far away from the rotating shell, is fixedly connected with the fixed column, and the clamping blocks are distributed on the circumference of the surface of the rotating shell.

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

according to the utility model, the arc-shaped block is arranged on one side of the rotating shell, which is close to the lower pipe, so that the arc surface of the arc-shaped block can be matched with the shape of the outer wall of the lower pipe, when the rotating shell is rotated, the rotating shell is in threaded connection with the bolt to bolt the lower pipe and the upper pipe, after the rotating shell is completely bolted, the rotating shell can be locked by inserting the inserting block and clamping the connecting gap of the fixed column, so that the rotating shell is prevented from rotating due to vibration of a pipeline, the bolting of the rotating shell to the upper pipe is loosened, and the rotating shell is locked by clamping the inserting block and the fixed column, so that the loosening and sliding of the threaded connection is prevented.

Drawings

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

FIG. 2 is a block diagram of a connection block of the present utility model;

fig. 3 is an enlarged view of the portion a of fig. 2 in accordance with the present utility model.

In the figure: 1. an upper pipe; 2. a lower pipe; 3. a bolt; 4. a cushion layer; 5. a connecting block; 6. an arc-shaped block; 7. inserting blocks; 8. rotating the shell; 9. a ring groove; 10. a clamping block; 11. fixing the column; 12. a slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

Example 1

Referring to fig. 1, a retaining locknut in the illustration includes an upper pipe 1, a lower pipe 2 and a bolt 3, wherein an arc block 6 is installed on the surface of the lower pipe 2, a connecting block 5 is arranged on one side of the arc block 6 far away from the lower pipe 2, a rotating shell 8 is rotatably connected on the surface of the connecting block 5, a fixing column 11 is movably connected inside the connecting block 5, and an inserting block 7 is inserted on the upper side of the connecting block 5.

Referring to fig. 2 and 3, the inner side of the rotary shell 8 is provided with threads, the rotary shell 8 is connected with the surface of the bolt 3 by threads, and the insert 7 is engaged with the fixing column 11.

In this embodiment: through the one side installation arc piece 6 that is close to down pipe 2 at rotation shell 8 for the arc surface of arc piece 6 can agree with down pipe 2's outer wall shape, rotates shell 8 when rotating, makes rotation shell 8 and bolt 3 carry out threaded connection, come the bolt down pipe 2 with go up pipe 1, rotate shell 8 and accomplish the bolt back, can lock the rotation of rotating shell 8 through inserting insert 7, the block is at the joint gap of fixed column 11, prevent to rotate shell 8 and receive the vibrations of pipeline and lead to rotating shell 8 to rotate, make the bolt of rotating shell 8 to go up pipe 1 take place not hard up, through setting up the block 7 and the block of fixed column 11, lock the rotation of rotating shell 8, with prevent threaded connection's not hard up back slip.

Example 2

Referring to fig. 1, this embodiment further illustrates example 1, in which a cushion layer 4 is adhesively connected to the contact surface of the arc-shaped block 6 and the down tube 2, and the cushion layer 4 is overlapped with the surface of the down tube 2.

In this embodiment: through set up bed course 4 on the surface of arc piece 6 for arc piece 6 when carrying out the gradual extrusion with down tube 2, bed course 4 can protect both, under the setting of bed course 4 simultaneously, also can carry out certain buffering to the vibrations that upper tube 1 transmitted, the convenience is to the buffering of the vibrations that rotates shell 8 received.

Referring to fig. 2, in the illustration, a slot 12 is formed at the upper portion of the connection block 5, the plug 7 is plugged with the connection block 5 through the slot 12, and the lower end of the plug 7 is rounded.

In this embodiment: through setting up slot 12, make things convenient for insert 7 to insert in the connecting block 5, carry out the block with fixed column 11, lock the rotation of turning shell 8, and the fillet processing of insert 7 makes insert 7 when inserting in the connecting block 5, insert 7 can be swift smooth and easy from the gap of fixed column 11 to insert.

Referring to fig. 3, in the illustration, a ring groove 9 is formed on a side of the connecting block 5 away from the arc-shaped block 6, the fixing columns 11 are circumferentially distributed in the fixing columns 11, and the fixing columns 11 are slidably connected in the ring groove 9.

In this embodiment: by opening the ring groove 9 on the surface of the connecting block 5, the fixing columns 11 can be circumferentially distributed in the ring groove 9 and are in sliding connection with the connecting block 5.

Referring to fig. 3, in the illustration, a clamping block 10 is fixedly connected to a side of the rotating shell 8 close to the connecting block 5, a side of the clamping block 10 away from the rotating shell 8 is fixedly connected with a fixing column 11, and the clamping blocks 10 are circumferentially distributed on the surface of the rotating shell 8.

In this embodiment: through at the fixed mounting fixture block 10 of the surface of rotating shell 8 for connect fixed column 11 and rotate shell 8, make the rotation of rotating shell 8 can drive fixed column 11 and rotate, the rotation of rotating shell 8 also can be locked to the locking of fixed column 11 pivoted simultaneously.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

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 to these embodiments 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 (6)

1. The utility model provides a locking locknut that ends, includes upper pipe (1), down pipe (2) and bolt (3), its characterized in that: the surface mounting of down tube (2) has arc piece (6), one side that down tube (2) was kept away from to arc piece (6) is provided with connecting block (5), the surface rotation of connecting block (5) is connected with and rotates shell (8), the inside swing joint of connecting block (5) has fixed column (11), the upside of connecting block (5) is pegged graft and is had inserted block (7).

2. A backstop locknut as defined in claim 1, wherein: the inner side of the rotating shell (8) is provided with threads, the rotating shell (8) is in threaded connection with the surface of the bolt (3), and the insert block (7) is clamped with the fixing column (11).

3. A backstop locknut as defined in claim 2, wherein: the contact surface of the arc-shaped block (6) and the lower pipe (2) is connected with a cushion layer (4) in an adhesive mode, and the cushion layer (4) is in lap joint with the surface of the lower pipe (2).

4. A backstop locknut as defined in claim 3 wherein: the upper portion of connecting block (5) has seted up slot (12), insert piece (7) are pegged graft through slot (12) and connecting block (5), the fillet is done to the lower extreme of insert piece (7).

5. The backstop locknut of claim 4, wherein: one side of the connecting block (5) far away from the arc-shaped block (6) is provided with a ring groove (9), the circumference of the fixing column (11) is distributed in the fixing column (11), and the fixing column (11) is in sliding connection in the ring groove (9).

6. The backstop locknut of claim 5, wherein: one side of rotating shell (8) is close to connecting block (5) fixedly connected with fixture block (10), one side of keeping away from rotating shell (8) of fixture block (10) and fixed column (11) fixed connection, fixture block (10) are at the surface circumference distribution of rotating shell (8).