CN215487078U

CN215487078U - Multifunctional screw pin

Info

Publication number: CN215487078U
Application number: CN202023227343.1U
Authority: CN
Inventors: 庄树益
Original assignee: Quanzhou Shuangyi Machinery Co ltd
Current assignee: Quanzhou Shuangyi Machinery Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2022-01-11
Anticipated expiration: 2030-12-28

Abstract

A multifunctional screw pin structurally comprises a pin body, wherein a thread head is arranged at the upper end of the pin body, a positioning part is arranged at the lower end of the pin body, a tool rotating groove is arranged on the positioning part, an inner thread groove is arranged on the bottom surface of the tool rotating groove and extends into the pin body, an action screw rod is screwed in the inner thread groove, the end part of the action screw rod is of a conical structure, a secondary limiting hole communicated with the inner thread groove is arranged in the middle of the pin body, two limiting blocks are movably arranged in the secondary limiting hole, the screw pin is matched with a sliding part to perform sliding positioning, when the limitation is required, a nut at the thread head of the screw pin can be screwed, the action screw rod is clockwise rotated and axially moved towards the direction of the secondary limiting hole, the end part can generate inclined acting force on the two limiting blocks, so that the two limiting blocks are separated and respectively penetrate out of two ends of the secondary limiting hole to be contacted with the inner wall of the sliding part, secondary limitation is carried out, and the limiting effect is improved.

Description

Multifunctional screw pin

Technical Field

The utility model relates to a multifunctional screw pin, and belongs to the field of screw pins.

Background

The screw pin is a positioning pin structure similar to a screw structure, and when the conventional screw pin for sliding positioning performs a limiting function, a nut needs to be screwed at the end part of the screw pin, but the friction force between the screw pin and a sliding part is small, so that the limiting effect of the nut is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional screw pin to solve the problem that when the conventional screw pin for sliding positioning is used for limiting, a nut needs to be screwed at the end part of the screw pin, but the friction force between the screw pin and a sliding part is small, so that the limiting effect of the nut is reduced.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a multifunctional screw pin structurally comprises a pin body, wherein the upper end of the pin body is provided with a threaded head, the lower end of the pin body is provided with a positioning part, the positioning part is provided with a tool rotating groove, the bottom surface of the tool rotating groove is provided with an internal thread groove, the internal thread groove extends to the inside of the pin body, an acting screw is screwed in the internal thread groove, the end part of the acting screw is in a conical structure, the middle part of the pin body is provided with a secondary limiting hole communicated with the internal thread groove, two limit blocks are movably arranged in the secondary limit hole, the end surfaces of the two limit blocks which are jointed are respectively provided with an inclined part, the end part of the action screw rod is arranged in the secondary limit hole and is simultaneously jointed with the inclined parts of the two limit blocks, the upper end surfaces of the two limit blocks are respectively provided with a sliding groove, two positioning blocks which are respectively matched with the two limiting blocks are arranged on the inner wall of the secondary limiting hole at intervals, and a return spring is arranged between each positioning block and the inner wall, close to the inclined part, in the sliding groove.

Furthermore, each limiting block is made of metal materials.

Further, the positioning part and the pin body are of an integrated structure.

Further, when clockwise rotation effect screw rod, effect screw rod tip can produce the effort to two stoppers for two stoppers separate and see out the spacing hole both ends of secondary respectively.

The utility model has the beneficial effects that: join in marriage the screw pin and slide the position and carry out the sliding location, when needs restrict, the nut of screw pin screw thread head department can be screwed, then clockwise rotation effect screw rod, effect screw rod carries out axial displacement towards the spacing hole direction of secondary, and the tip can produce the effort of slope to two stoppers for two stopper separation and see through the spacing hole both ends of secondary respectively, contact with the position inner wall that slides, carry out the secondary restriction, improve the restriction effect.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a multi-functional screw pin according to the present invention;

FIG. 2 is a schematic cross-sectional view of a multi-functional screw pin according to the present invention;

fig. 3 is an enlarged sectional view of a in fig. 2.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1, 2 and 3, the present invention provides a technical solution of a multifunctional screw pin: the structure of the pin comprises a pin body 1, wherein the upper end of the pin body 1 is provided with a thread head 2, the lower end of the pin body 1 is provided with a positioning part 3, the positioning part 3 is provided with a tool rotating groove 4, the bottom surface of the tool rotating groove 4 is provided with an internal thread groove 5, the internal thread groove 5 extends into the pin body 1, an acting screw 6 is screwed in the internal thread groove 5, the end part of the acting screw 6 is in a conical structure, the middle part of the pin body 1 is provided with a secondary limiting hole 7 communicated with the internal thread groove 5, two limiting blocks 8 are movably arranged in the secondary limiting hole 7, the end surfaces of the two limiting blocks 8 which are jointed are respectively provided with an inclined part, the end part of the acting screw 6 is matched in the secondary limiting hole 7 and is simultaneously jointed with the inclined parts of the two limiting blocks 8, the upper end surfaces of the two limiting blocks 8 are respectively provided with a sliding groove 9, the inner wall of the secondary limiting hole 7 is provided with two positioning blocks 10 which are respectively matched in the two limiting blocks 8 at intervals, be equipped with reset spring 11 in locating piece 10 and the spout 9 between the inner wall that is close to the skew part, individual stopper 8 adopts the metal material to make, location portion 3 and the 1 structure of as an organic whole of round pin body, when clockwise rotation

effect screw rod

6, 6 tip of effect screw rod can produce the effort to two stoppers 8 for two stoppers 8 separate and see out the spacing hole 7 both ends of secondary respectively.

For example, joining in marriage the screw pin and sliding position and carrying out the slide locating, when needs restrict, the nut of screw pin thread head 2 departments can be screwed, then clockwise rotation effect screw rod 6, effect screw rod 6 carries out axial displacement towards the spacing hole 7 direction of secondary, and the tip can produce the effort of slope to two stopper 8 for two stopper 8 separation and see through the spacing hole 7 both ends of secondary respectively, contact with the sliding position inner wall, carry out the secondary restriction, improve the restriction effect.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multi-functional screw pin which characterized in that: the structure of the pin comprises a pin body (1), a thread head (2) is arranged at the upper end of the pin body (1), a positioning part (3) is arranged at the lower end of the pin body (1), an tool rotating groove (4) is arranged on the positioning part (3), an inner thread groove (5) is arranged at the bottom surface of the tool rotating groove (4), the inner thread groove (5) extends to the inside of the pin body (1), an action screw (6) is screwed in the inner thread groove (5), the end part of the action screw (6) is of a conical structure, a secondary limiting hole (7) communicated with the inner thread groove (5) is arranged in the middle of the pin body (1), two limit blocks (8) are movably arranged in the secondary limiting hole (7), the end surfaces of the two limit blocks (8) are both provided with an inclined part, the end part of the action screw (6) is fitted in the secondary limiting hole (7) and is simultaneously fitted with the inclined parts of the two limit blocks (8), two stopper (8) up end all are equipped with a spout (9), secondary spacing hole (7) inner wall interval is equipped with two locating pieces (10) of joining in two stopper (8) respectively, be equipped with reset spring (11) between the inner wall that is close to the slope in locating piece (10) and spout (9).

2. A multi-functional screw pin according to claim 1, characterized in that: the limiting blocks (8) are made of metal materials.

3. A multi-functional screw pin according to claim 1, characterized in that: the positioning part (3) and the pin body (1) are of an integrated structure.

4. A multi-functional screw pin according to claim 1, characterized in that: when the action screw rod (6) is rotated clockwise, the end part of the action screw rod (6) can generate acting force on the two limit blocks (8), so that the two limit blocks (8) are separated and two ends of the secondary limit hole (7) are respectively penetrated out.