CN220013642U

CN220013642U - Reducing conversion sleeve

Info

Publication number: CN220013642U
Application number: CN202320904990.6U
Authority: CN
Inventors: 陆剑敏
Original assignee: Haiyan Machinery Equipment Manufacturing Co ltd
Current assignee: Haiyan Machinery Equipment Manufacturing Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-11-14
Anticipated expiration: 2033-04-19

Abstract

The utility model provides a reducing conversion sleeve which comprises a conversion sleeve body, wherein the outer wall of the conversion sleeve body is provided with external threads, a central conversion cavity is formed in the conversion sleeve body, the inner wall of the central conversion cavity is provided with internal threads, one end of the central conversion cavity is provided with a driving structure, a plurality of tooth grooves are arranged on the driving structure at intervals, and clamping teeth are formed between two adjacent tooth grooves. The reducing conversion sleeve can convert a threaded connection structure which cannot be directly matched and connected, and connection of two parts with different inner and outer diameter sizes is achieved.

Description

Reducing conversion sleeve

[ field of technology ]

The utility model relates to the technical field of constructional engineering, in particular to a reducing conversion sleeve.

[ background Art ]

In the use process of the tubular pile, the tubular pile with different lengths is required to be selected according to different use requirements, and the tubular pile are connected with each other to form a pile body with a longer length. At present, end plates are arranged at two ends of an existing pipe pile, and two or more sections of pipe piles are connected by adopting pipe pile connecting pieces between the pipe piles.

The existing tubular pile connecting piece generally comprises an upper nut provided with an inserting rod and a lower nut provided with a clamping sleeve assembly, wherein one end of the inserting rod is provided with an expansion locking head matched with the clamping sleeve assembly, the other end of the inserting rod is provided with a threaded connecting end for connecting the upper nut, and when the threaded connecting end of the inserting rod and the inner diameter of a threaded cavity of the upper nut cannot be matched, the threaded connecting end of the inserting rod and the inner diameter of the threaded cavity of the upper nut cannot be directly connected in a matching mode.

[ utility model ]

The utility model aims to solve the problems in the prior art, and provides a reducing conversion sleeve which can convert a threaded connection structure which cannot be directly matched and connected, so as to realize the connection of two parts with different inner and outer diameter sizes.

In order to achieve the above purpose, the utility model provides a reducing conversion sleeve, which comprises a conversion sleeve body, wherein the outer wall of the conversion sleeve body is provided with external threads, a central conversion cavity is arranged in the conversion sleeve body, the inner wall of the central conversion cavity is provided with internal threads, one end of the central conversion cavity is provided with a driving structure, a plurality of tooth grooves are arranged on the driving structure at intervals, and clamping teeth are formed between two adjacent tooth grooves.

Preferably, the upper end surface of the latch has an introduction slope.

Preferably, the cross-sectional shape of the tooth slot is triangular.

Preferably, the cross section of the latch is triangular or trapezoidal.

Preferably, an inner ring of one end of the conversion sleeve body with the driving structure is provided with a first conical surface, and an outer ring is provided with a second conical surface.

The utility model has the beneficial effects that: the conversion sleeve body can be arranged in a component with a large-diameter threaded cavity, and the large-diameter threaded cavity of the component is converted into a small-diameter threaded cavity so as to be matched with another component with a small-diameter end, and the connection of two components with different inner and outer diameter sizes is realized. In addition, through set up the structure of a plurality of tooth's socket, latch on driving structure, applicable allen wrench, screwdriver (straight line mouth screwdriver, cross mouth screwdriver) etc. for the conversion cover body can match multiple different grade type operating tool simultaneously, greatly reduced the user can't find the possibility rather than assorted operating tool when screwing.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a schematic top view of embodiment 1 of the present utility model;

FIG. 2 is a schematic cross-sectional structure of embodiment 1 of the present utility model;

FIG. 3 is a schematic top view of embodiment 2 of the present utility model;

fig. 4 is a schematic cross-sectional structure of embodiment 2 in the present utility model.

[ detailed description ] of the utility model

Example 1

Referring to fig. 1 to 2, the reducing conversion sleeve of the present utility model comprises a conversion sleeve body 1, wherein an external thread 11 is provided on the outer wall of the conversion sleeve body 1, a central conversion cavity 10 is provided inside, an internal thread 101 is provided on the inner wall of the central conversion cavity 10, a driving structure 2 is provided at one end of the central conversion cavity 10, a plurality of tooth grooves 21 are provided on the driving structure 2 at intervals, and a latch 22 is formed between two adjacent tooth grooves 21.

Further, the upper end surface of the latch 22 has an introduction slope 221, which facilitates accurate introduction of the component having the small diameter screw end.

Further, in this embodiment, the cross-sectional shape of the tooth slot 21 is triangular, and the number is 12. The cross-section of the latch 22 is triangular, and the number is 12.

Further, an inner ring of the conversion sleeve body 1 with one end of the driving structure 2 is provided with a first conical surface 102, and an outer ring is provided with a second conical surface 103.

Example 2

The present embodiment differs from embodiment 1 in that in the present embodiment, the cross-sectional shape of the latch 22 is trapezoidal.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims

1. The utility model provides a reducing conversion cover which characterized in that: including converting sleeve body (1), the outer wall of converting sleeve body (1) has external screw thread (11), and inside has central conversion chamber (10), the inner wall in central conversion chamber (10) has internal screw thread (101), the one end in central conversion chamber (10) is equipped with driving structure (2), the interval is provided with a plurality of tooth's socket (21) on driving structure (2), forms latch (22) between two adjacent tooth's socket (21).

2. A reducing transformer bushing as set forth in claim 1, wherein: the upper end surface of the latch (22) is provided with a leading-in inclined surface (221).

3. A reducing transformer bushing as set forth in claim 1, wherein: the cross section of the tooth groove (21) is triangular.

4. A reducing transformer bushing as set forth in claim 1, wherein: the cross section of the latch (22) is triangular or trapezoidal.

5. A reducing transformer bushing as set forth in claim 1, wherein: an inner ring of one end of the conversion sleeve body (1) with the driving structure (2) is provided with a first conical surface (102), and an outer ring is provided with a second conical surface (103).