CN220151688U

CN220151688U - Stable and reliable fixing pin structure

Info

Publication number: CN220151688U
Application number: CN202321382423.5U
Authority: CN
Inventors: 郑有程; 郑志兴
Original assignee: Zhejiang Taizhou Mingmen Auto Parts Co ltd
Current assignee: Zhejiang Taizhou Mingmen Auto Parts Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-12-08
Anticipated expiration: 2033-06-02

Abstract

The utility model relates to the technical field of fixing pins and discloses a stable and reliable fixing pin structure which comprises a pin column, wherein a first threaded hole is formed in the middle of the lower end of the pin column, a rotating block is arranged below the pin column, a threaded column is fixedly connected to the middle of the upper surface of the rotating block, the upper end of the threaded column is in threaded connection with the inner wall of the first threaded hole, a ring body is rotatably connected to the lower end of the threaded column on the upper surface of the rotating block, first openings are formed in the left side and the right side of the ring body, and clamping teeth are rotatably connected in the first openings. According to the utility model, the rotating block rotates to drive the latch to rotate towards two sides, so that the shape of a barb is formed, the fixed pin is prevented from falling off when in use, the rotating block is reversely rotated, the latch is retracted, the operation is simple, the fixed pin is convenient to install and disassemble, the fixed pin is conveniently pulled out from the component to be fixed by connecting the sub pin with the pin column in a threaded manner, and dust blocking of the second threaded hole is avoided in soft racing.

Description

Stable and reliable fixing pin structure

Technical Field

The utility model relates to the technical field of fixing pins, in particular to a stable and reliable fixing pin structure.

Background

The die locating pin is mainly used between screws fastened between two parts to ensure position accuracy, is mainly used for assembly and location, and can also be used for overload shearing connection in a connecting and loosening level safety device, and the basic form is a cylindrical pin and a conical pin. The fixing pin is also called a locating pin.

Currently, the tail of the existing fixing pin is usually fixed by adopting a screw cap, a clamping ring or a cotter pin, but the fixing pin has the following defects: the operation is troublesome, and the general fixed pin can wear out after inserting fixed part to insert another little cylinder in the through-hole of afterbody, prevent that the fixed pin from droing, nevertheless in long-time use, the cylinder that the afterbody inserted is lost easily, causes the fixed pin to drop.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a stable and reliable fixing pin structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a reliable and stable's fixed pin structure, includes the round pin post, the lower extreme middle part of round pin post is provided with first screw hole, the below of round pin post is provided with the rotating block, the upper surface middle part fixedly connected with screw thread post of rotating block, the upper end threaded connection of screw thread post is in the inner wall of first screw hole, the lower extreme of screw thread post is located the upper surface rotation of rotating block is connected with the ring body, the ring body left and right sides all is provided with first opening, all rotate in the first opening and be connected with the latch, the middle part of latch all is provided with the arc spout, the middle part of arc spout all is provided with spacing post, both ends around the spacing post are fixed connection respectively the front and back both sides of round pin post left and right sides, the lower extreme left and right sides of spacing post all is provided with the second opening, the second open-ended inner wall respectively with the outer wall of latch is hugged closely the cooperation.

As a further description of the above technical solution:

the top fixedly connected with round pin cap of round pin post, the left side of round pin cap is provided with soft match.

As a further description of the above technical solution:

the middle part of the upper end of the pin cap is provided with a groove, and the inner wall of the groove is tightly matched with the outer wall of the soft race.

As a further description of the above technical solution:

the lower end of the pin cap is provided with a second threaded hole positioned on the inner side of the groove.

As a further description of the above technical solution:

the upper portion of round pin cap is provided with the sub-round pin, the lower extreme of sub-round pin is provided with the screw thread section, screw thread section threaded connection is in the inside of second screw hole.

As a further description of the above technical solution:

the top of the sub pin is connected with a rod body in a sliding way.

As a further description of the above technical solution:

the tops of the left end and the right end of the rod body are fixedly connected with spheres.

The utility model has the following beneficial effects:

1. according to the utility model, the fixing pin is inserted into the component to be fixed, then the rotating block rotates to drive the threaded column connected with the rotating block to rotate, so that the ring body is driven to be close to the bottom of the pin, and the latch is rotated to two sides at the moment, so that the shape of a barb is formed, the fixing pin is prevented from falling off when in use, the rotating block is rotated reversely, the latch is retracted, the operation is simple, and the fixing pin is convenient to install and detach.

2. According to the utility model, the sub-pins are connected to the pin columns in a threaded manner, so that the fixing pins can be conveniently pulled out from the component to be fixed, the rod body with the upper ends in sliding connection is convenient for a user to rotate the sub-pins, and the soft race is plugged in the grooves when the sub-pins are not used, so that the second threaded holes are prevented from being blocked by dust and soil due to long-time exposure.

Drawings

Fig. 1 is an overall schematic view of a stable and reliable fixing pin structure according to the present utility model;

FIG. 2 is a schematic diagram of a latch of a stable and reliable fixing pin structure according to the present utility model;

FIG. 3 is a schematic view of a pin cap with a stable and reliable fixing pin structure according to the present utility model;

fig. 4 is a schematic view of a sub-pin of a stable and reliable fixing pin structure according to the present utility model.

Legend description:

1. a pin; 2. a rotating block; 3. a ring body; 4. a threaded column; 5. latch teeth; 6. an arc chute; 7. a limit column; 8. a first threaded hole; 9. a pin cap; 10. a groove; 11. soft racing; 12. a second threaded hole; 13. a sub-pin; 14. a rod body; 15. and (3) a sphere.

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.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a reliable and stable's fixed pin structure, including round pin 1, round pin 1's lower extreme middle part is provided with first screw hole 8, round pin 1's below is provided with rotary block 2, rotary block 2's upper surface middle part fixedly connected with screw thread post 4, screw thread post 4's upper end threaded connection is at the inner wall of first screw hole 8, screw thread post 4's lower extreme is located rotary block 2's upper surface rotation is connected with ring body 3, ring body 3 left and right sides all is provided with first opening, all rotate in the first opening and be connected with latch 5, latch 5's middle part all is provided with arc spout 6, arc spout 6's middle part all is provided with spacing post 7, spacing post 7's front and back both ends are fixed connection respectively in the front and back both sides of round pin 1 left and right sides, spacing post 7's lower extreme left and right sides all is provided with the second opening, the inner wall of second open-ended is hugged closely the cooperation with latch 5's outer wall respectively, drive screw thread post 4 through rotary block 2, screw thread post 4 rotates the time because with the bottom threaded connection's of round pin 1 relation, can drive ring body 3 and rise, 3 rise, latch 5 can not take place when the rotation of the latch 5 when preventing to drop 5 at the both sides when the rotation of the round pin 1, prevent that the both sides from taking place at the rotation of latch 5 from falling off at the time.

The top fixedly connected with round pin cap 9 of round pin post 1, the left side of round pin cap 9 is provided with soft race 11, the upper end middle part of round pin cap 9 is provided with recess 10, the inner wall of recess 10 is hugged closely with the outer wall of soft race 11 and is cooperated, soft race 11 effectually avoided the entering of dust, the lower extreme of round pin cap 9 is located the inboard of recess 10 and is provided with second screw hole 12, the top of round pin cap 9 is provided with sub-pin 13, the lower extreme of sub-pin 13 is provided with the screw thread section, screw thread section threaded connection is in the inside of second screw hole 12, the top sliding connection of sub-pin 13 has body of rod 14, the equal fixedly connected with spheroid 15 of both ends top about body of rod 14, through connecting sub-pin 13 in round pin cap 9, upwards pull sub-pin 13, the convenience takes out the fixed pin.

Working principle: the fixing pin is inserted into the component to be fixed, the lower end of the fixing pin penetrates out of one side of the component to be fixed, then the rotating block 2 drives the threaded column 4 to rotate, the threaded column 4 can drive the ring body 3 to ascend due to the relation of the threaded connection with the bottom of the pin 1, the ring body 3 is ascended and simultaneously drives the clamping teeth 5 on two sides to rotate, the clamping teeth 5 are limited by the limiting column 7 and cannot separate from the two sides of the pin 1 when rotating, the rotating clamping teeth 5 form barbs on the two sides of the pin 1, the rotating block 2 is reversely rotated, the clamping teeth 5 can be retracted, the soft race 11 is taken out of the groove 10, then the rotor pin 13 is rotated, the rotor pin 13 is connected with the pin 1, the fixing pin is taken out when the fixing pin is inconvenient to take out, and the operation is simple and convenient.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a reliable and stable's fixed pin structure, includes round pin post (1), its characterized in that: the lower extreme middle part of round pin post (1) is provided with first screw hole (8), the below of round pin post (1) is provided with rotary block (2), the upper surface middle part fixedly connected with screw thread post (4) of rotary block (2), the upper end threaded connection of screw thread post (4) is in the inner wall of first screw hole (8), the lower extreme of screw thread post (4) is located the upper surface rotation of rotary block (2) is connected with ring body (3), ring body (3) left and right sides all is provided with first opening, all rotate in the first opening and be connected with latch (5), the middle part of latch (5) all is provided with arc spout (6), the middle part of arc spout (6) all is provided with spacing post (7), both ends around spacing post (7) are in respectively fixed connection the front and back both sides of round pin post (1) left and right sides, the lower extreme left and right sides of spacing post (7) all is provided with the second opening, the second open-ended inner wall respectively with latch (5) is hugged closely the cooperation.

2. A stable and reliable fixing pin structure according to claim 1, characterized in that: the top of the pin column (1) is fixedly connected with a pin cap (9), and a soft race (11) is arranged on the left side of the pin cap (9).

3. A stable and reliable fixing pin structure according to claim 2, characterized in that: the middle part of the upper end of the pin cap (9) is provided with a groove (10), and the inner wall of the groove (10) is tightly matched with the outer wall of the soft race (11).

4. A stable and reliable fixing pin structure according to claim 3, characterized in that: the lower end of the pin cap (9) is provided with a second threaded hole (12) positioned on the inner side of the groove (10).

5. The stable and reliable fixing pin structure according to claim 4, wherein: the upper part of the pin cap (9) is provided with a sub pin (13), the lower end of the sub pin (13) is provided with a thread section, and the thread section is in threaded connection with the inside of the second threaded hole (12).

6. The stable and reliable fixing pin structure according to claim 5, wherein: the top of the sub pin (13) is connected with a rod body (14) in a sliding way.

7. The stable and reliable fixing pin structure according to claim 6, wherein: the tops of the left end and the right end of the rod body (14) are fixedly connected with spheres (15).