CN213117026U

CN213117026U - Customized elastic pin

Info

Publication number: CN213117026U
Application number: CN202021682354.6U
Authority: CN
Inventors: 徐洲; 田达秀; 熊建芳
Original assignee: Jinshengtai Precision Shenzhen Co ltd
Current assignee: Jinshengtai Precision Shenzhen Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-04
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a customized elastic pin, which comprises a pin shell, wherein an inner cavity is arranged inside the pin shell and runs through the bottom of the pin shell, and a thread groove is arranged at the bottom of the pin shell; a first ball is arranged at the top in the inner cavity, a spring is sleeved at the bottom of the first ball, a second ball is sleeved at the bottom of the spring, and a supporting plate is arranged at the bottom of the second ball; the round pin casing bottom is provided with the rotor plate, the rotor plate bottom is provided with the spacing groove, a rotor plate top fixedly connected with external screw thread section of thick bamboo, an external screw thread section of thick bamboo inside wall is close to middle part position fixedly connected with fixed plate, the fixed plate bottom is provided with the turning block, and the turning block rotates with an external screw thread section of thick bamboo to be connected. The utility model discloses an inner chamber at round pin casing is provided with first ball and second ball, and the spring force is used in first ball and second ball, through ball transmission elasticity, prevents the damage of spring to the inner chamber of round pin casing, promotes the life of elastic pin.

Description

Customized elastic pin

Technical Field

The utility model relates to an elastic pin field especially relates to a customization elastic pin.

Background

The elastic cylindrical pin is also called a spring pin, is a headless hollow cylindrical body, is axially grooved, and has chamfers at the end parts of two ends for positioning, connecting, fixing and the like of parts; good elasticity and shear resistance are required, and the outer diameter of such pins is slightly larger than the assembly bore diameter. The elastic pin plays a positioning role when castings are processed in batches. Generally, when the first process of casting is performed, three points on one surface are usually added with two elastic pins for positioning, and the conical surfaces of the elastic pins are used for centering.

The existing elastic pin directly uses a spring in an inner cavity, the spring is directly contacted with the inner part of a pin shell, the contact area is small, and the internal support part of the pin shell is greatly damaged after being adjusted for many times; meanwhile, the existing adjusting spring device is complex, so that a customized elastic pin is urgently needed, and the defects in the prior art are overcome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a customized elastic pin.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a customized elastic pin comprises a pin shell, wherein an inner cavity is formed in the pin shell and penetrates through the bottom of the pin shell, and a thread groove is formed in the bottom of the pin shell; a first ball is arranged at the top in the inner cavity, a spring is sleeved at the bottom of the first ball, a second ball is sleeved at the bottom of the spring, and a supporting plate is arranged at the bottom of the second ball; the utility model discloses a bolt, including round pin casing, turning plate top fixedly connected with external screw thread section of thick bamboo, the fixed plate is close to middle part position fixedly connected with fixed plate to round pin casing bottom, the turning plate bottom is provided with the spacing groove, a turning plate top fixedly connected with external screw thread section of thick bamboo, external screw thread section of thick bamboo inside wall, the fixed plate bottom is provided with the turning block, and the turning block rotates with an external screw thread section of thick bamboo to be connected, top center department fixedly connected with threaded rod, threaded rod threaded connection has the internal thread sleeve, internal thread sleeve top fixedly connected with.

As a further description of the above technical solution:

the inner cavity and the thread groove are arranged concentrically.

As a further description of the above technical solution:

the top in the inner cavity is matched with the first ball in position.

As a further description of the above technical solution:

the bottom of the second ball is matched with the top of the support plate, and the support plate is connected with the inner cavity in a sliding mode.

As a further description of the above technical solution:

the limiting grooves are uniformly distributed around the bottom of the rotating plate.

As a further description of the above technical solution:

the external thread cylinder is in threaded connection with the thread groove.

As a further description of the above technical solution:

the push plate is connected with the external thread cylinder in a sliding mode.

As a further description of the above technical solution:

the adjusting plate is matched with the position of the limiting groove.

The utility model discloses following beneficial effect has:

1. the utility model discloses an inner chamber at round pin casing is provided with first ball and second ball, and the spring force is used in first ball and second ball, through ball transmission elasticity, prevents the damage of spring to the inner chamber of round pin casing, promotes the life of elastic pin.

2. The utility model discloses the setting is through opening the regulating plate, rotates the regulating plate, and the drive threaded rod rotates for the push pedal slides along an external screw thread section of thick bamboo inner wall, promotes the backup pad, thereby regulating spring, its simple structure, easy to maintain.

Drawings

Fig. 1 is a front view of a customized spring pin according to the present invention;

fig. 2 is a front view of a customized spring pin housing according to the present invention;

fig. 3 is a schematic structural view of a customized spring pin spring according to the present invention;

fig. 4 is a schematic structural view of a customized elastic pin external thread cylinder provided by the present invention;

fig. 5 is a schematic structural view of a customized rotation block of an elastic pin according to the present invention.

Illustration of the drawings:

1. a pin housing; 11. an inner cavity; 12. a thread groove; 2. a first ball bearing; 21. a spring; 22. a second ball bearing; 23. a support plate; 3. a rotating plate; 31. a limiting groove; 32. an externally threaded barrel; 33. a fixing plate; 4. pushing the plate; 41. an internally threaded sleeve; 5. rotating the block; 51. a threaded rod; 52. a fixed seat; 53. an adjusting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment:

a customized elastic pin comprises a pin shell 1, wherein an inner cavity 11 is formed in the pin shell 1, the inner cavity 11 is used for bearing a spring 21, the inner cavity 11 penetrates through the bottom of the pin shell 1, and a thread groove 12 is formed in the bottom of the pin shell 1;

the top in the inner cavity 11 is provided with a first ball 2, the bottom of the first ball 2 is sleeved with a spring 21, the bottom of the spring 21 is sleeved with a second ball 22, the bottom of the second ball 22 is provided with a support plate 23, the first ball 2 and the second ball 22 are arranged, the spring force acts on the first ball 2 and the second ball 22, the spring 21 is prevented from damaging the inner cavity 11 of the pin shell 1 through the transmission of elastic force by the balls, and the service life of the elastic pin is prolonged;

the bottom of the pin shell 1 is provided with a rotating plate 3, the bottom of the rotating plate 3 is provided with a limiting groove 31, the top of the rotating plate 3 is fixedly connected with an external thread cylinder 32, the inner side wall of the external thread cylinder 32 is fixedly connected with a fixing plate 33 near the middle position, the bottom of the fixing plate 33 is provided with a rotating block 5, the rotating block 5 is rotatably connected with the external thread cylinder 32, the center of the top is fixedly connected with a threaded rod 51, the threaded rod 51 is in threaded connection with an internal thread sleeve 41, the top of the internal thread sleeve 41 is fixedly connected with a push plate 4, the side of the rotating block 5 far away from the threaded rod 51 is fixedly connected with a fixing seat 52, the fixing seat 52 is in hinged connection with an adjusting plate 53, the adjusting plate 53 is opened, the adjusting plate 53 is rotated to drive the rotating block 5 to rotate the threaded rod 51, the, prevent that threaded connection is not hard up, security and stability that hoisting device used.

The inner cavity 11 and the thread groove 12 are arranged concentrically, and positions of the inner cavity 11 and the thread groove 12 are determined.

The top cooperatees with first ball 2 position in the inner chamber 11, increases the area of contact of inner chamber 11 and first ball 2 for the effect of lifting force effect.

The bottom of the second ball 22 is matched with the top of the support plate 23, and the support plate 23 is slidably connected with the inner cavity 11, and the second ball 22 is driven to move upwards by pushing the support plate 23, so that the spring 21 is compressed.

The limiting grooves 31 are evenly distributed around the bottom of the rotating plate 3, and the adjusting range is increased by arranging the limiting grooves 31.

The external thread cylinder 32 is in threaded connection with the thread groove 12, and maintenance and disassembly of the device are facilitated.

Push pedal 4 and a threaded cylinder 32 sliding connection prevent that push pedal 4 and a threaded cylinder 32 inside wall from rotating to be connected.

Adjusting plate 53 cooperatees with spacing groove 31 position, can block and rotor plate 3, prevents that threaded connection from becoming flexible, security and stability that hoisting device used.

The working principle is as follows: at first open regulating plate 53, rotate regulating plate 53, it rotates to drive turning block 5, thereby it rotates to drive threaded rod 51, threaded rod 51 drives push pedal 4 and slides along external screw thread section of thick bamboo 32 inner wall, promote backup pad 23, thereby adjusting spring 21, place regulating plate 53 card in spacing groove 31 after the regulation is accomplished with, prevent that threaded connection is not hard up, security and stability that hoisting device used, a structure is simple, easy to maintain, simultaneously be provided with first ball 2 and second ball 22 at the inner chamber 11 of round pin casing 1, the spring force is acted on 22 on first ball 2 and the second ball, ball transmission elasticity, prevent the damage of spring 21 to the inner chamber 11 of round pin casing 1, promote the life of elastic pin.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A customized spring pin comprising a pin housing (1), characterized in that: an inner cavity (11) is formed in the pin shell (1), the inner cavity (11) penetrates through the bottom of the pin shell (1), and a threaded groove (12) is formed in the bottom of the pin shell (1);

a first ball (2) is arranged at the top in the inner cavity (11), a spring (21) is sleeved at the bottom of the first ball (2), a second ball (22) is sleeved at the bottom of the spring (21), and a support plate (23) is arranged at the bottom of the second ball (22);

pin casing (1) bottom is provided with rotor plate (3), rotor plate (3) bottom is provided with spacing groove (31), rotor plate (3) top fixedly connected with external screw thread section of thick bamboo (32), external screw thread section of thick bamboo (32) inside wall is close to middle part position fixedly connected with fixed plate (33), fixed plate (33) bottom is provided with turning block (5), and turning block (5) rotate with external screw thread section of thick bamboo (32) and be connected, fixedly connected with threaded rod (51) are located at the top center, threaded rod (51) threaded connection has interior thread sleeve (41), interior thread sleeve (41) top fixedly connected with push pedal (4), threaded rod (51) side fixedly connected with fixing base (52) are kept away from in turning block (5), fixing base (52) hinged joint has regulating plate (53).

2. The customized spring pin of claim 1, wherein: the inner cavity (11) and the thread groove (12) are arranged concentrically.

3. The customized spring pin of claim 1, wherein: the top in the inner cavity (11) is matched with the position of the first ball (2).

4. The customized spring pin of claim 1, wherein: the bottom of the second ball (22) is matched with the top of the support plate (23), and the support plate (23) is in sliding connection with the inner cavity (11).

5. The customized spring pin of claim 1, wherein: the limiting grooves (31) are uniformly distributed around the bottom of the rotating plate (3).

6. The customized spring pin of claim 1, wherein: the external thread cylinder (32) is in threaded connection with the thread groove (12).

7. The customized spring pin of claim 1, wherein: the push plate (4) is connected with the external thread cylinder (32) in a sliding manner.

8. The customized spring pin of claim 1, wherein: the adjusting plate (53) is matched with the position of the limiting groove (31).