CN213598353U

CN213598353U - Anti-drop locating pin that can precision direction

Info

Publication number: CN213598353U
Application number: CN202022464144.6U
Authority: CN
Inventors: 李熙路
Original assignee: Wuhan Jibu Hardware Machinery Co ltd
Current assignee: Wuhan Jibu Hardware Machinery Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-02
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses an anti-drop locating pin that can precision direction, including the round pin body, the inside fixed connection fixed plate of the round pin body, the middle part top fixed connection thread bush of fixed plate, the inside threaded connection of thread bush has the threaded rod, the top of threaded rod is connected with the sliding sleeve, the bottom of sliding sleeve with the surface sliding connection of thread bush, the top fixedly connected with actuating mechanism of threaded rod, the equal fixed connection connecting plate one in both sides surface of sliding sleeve, one side swing joint of connecting plate one has a plurality of movable rods, the one end swing joint of movable rod has connecting plate two, one side fixedly connected with fly leaf of connecting plate two, the bottom fixedly connected with round pin head of the round pin body, beneficial effect: after the positioning pin is inserted into the positioning hole, the rotating handle is rotated to enable the movable plate to extend out to be contacted with the inner wall of the positioning hole again, the friction force between the positioning pin and the positioning hole is increased, and the positioning pin is further prevented from falling off.

Description

Anti-drop locating pin that can precision direction

Technical Field

The utility model relates to a locating pin field particularly, relates to an anti-drop locating pin that can precision direction.

Background

The positioning pin is a part participating in limiting the freedom degree of an object, has certain application in some mechanical motion equipment, is mainly used for determining the position of a two-dimensional space, has no good locking function in the traditional positioning pin, is easy to loosen in the positioning hole for a long time, thereby influencing the connection between connecting pieces, has high requirements on the mutual connection and matching among the parts in the existing mechanism, has larger torque possibly transmitted among the parts, and is easy to cause mechanism failure if no anti-falling mechanism is arranged in the positioning pin.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The technical task of the utility model is to above not enough, but provide an anti-drop locating pin of precision direction, solve the problem that the background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-drop positioning pin capable of guiding accurately comprises a pin body, a fixing plate is fixedly connected inside the pin body, the top end of the middle part of the fixed plate is fixedly connected with a threaded sleeve, the inner thread of the threaded sleeve is connected with a threaded rod, the top end of the threaded rod is connected with a sliding sleeve, the bottom end of the sliding sleeve is connected with the surface of the threaded sleeve in a sliding way, the top end of the threaded rod is fixedly connected with a driving mechanism, the surfaces of the two sides of the sliding sleeve are fixedly connected with a first connecting plate, one side of the first connecting plate far away from the sliding sleeve is movably connected with a plurality of movable rods, one end of each movable rod far away from the first connecting plate is movably connected with a second connecting plate, one side of the second connecting plate, which is far away from the movable rod, is fixedly connected with a movable plate, a sliding mechanism is arranged between the bottom end of the movable plate and the fixed plate, and a pin head is fixedly connected to the bottom end of the pin body.

Further, actuating mechanism includes bull stick and turning handle, the top fixedly connected with bull stick of threaded rod, the top of bull stick runs through round pin body and fixedly connected with turning handle.

Further, slide mechanism includes spout, slider and slide bar, the spout has been seted up to the top symmetry of fixed plate, the inside sliding connection of spout has the slider, the top fixedly connected with slide bar of slider, the slide bar with fly leaf fixed connection.

Furthermore, a baffle is fixedly connected to the top end of the pin body.

Furthermore, one end of the movable plate, which is far away from the second connecting plate, is fixedly connected with a rubber pad.

Furthermore, the both sides surface of round pin body has all seted up the opening, the opening with the fly leaf phase-match.

Furthermore, movable shafts are connected between the movable rod and the first connecting plate and between the movable rod and the second connecting plate.

The utility model has the advantages that:

1. this anti-drop locating pin can rotate the turning handle and make the fly leaf stretch out again and contact with the locating hole inner wall after the locating pin inserts the locating hole through setting up fixed plate, thread bush, threaded rod, sliding sleeve, connecting plate, movable rod, connecting plate two, bull stick and turning handle, increases the frictional force between locating pin and the locating hole, and further prevents that the locating pin from droing.

2. Through setting up spout, slider and slide bar, can enough be convenient for the round trip movement of fly leaf, also can restrict the sliding sleeve and can only reciprocate at the threaded bush surface, and not rotate along with the threaded rod.

3. Through setting up the rubber pad, not only can increase the frictional force between fly leaf and the locating hole inner wall, can prevent moreover that fly leaf and locating hole inner wall direct contact from causing wearing and tearing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an anti-drop positioning pin capable of being precisely guided according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an opening in an anti-drop positioning pin capable of precision guiding according to the embodiment of the present invention.

Reference numerals:

1. a pin body; 2. a fixing plate; 3. a threaded sleeve; 4. a threaded rod; 5. a sliding sleeve; 6. a first connecting plate; 7. a movable rod; 8. a second connecting plate; 9. a movable plate; 10. a pin head; 11. a rotating rod; 12. a handle is rotated; 13. a chute; 14. a slider; 15. a slide bar; 16. a baffle plate; 17. a rubber pad; 18. an opening; 19. a movable shaft.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

The first embodiment is as follows:

referring to fig. 1-2, according to an embodiment of the present invention, an anti-drop positioning pin capable of guiding accurately includes a pin body 1, a fixed plate 2 is fixedly connected to an inside of the pin body 1, a threaded sleeve 3 is fixedly connected to a top end of a middle portion of the fixed plate 2, a threaded rod 4 is connected to an internal thread of the threaded sleeve 3, a sliding sleeve 5 is connected to a top end of the threaded rod 4, a bottom end of the sliding sleeve 5 is slidably connected to a surface of the threaded sleeve 3, a driving mechanism is fixedly connected to a top end of the threaded rod 4, a first connecting plate 6 is fixedly connected to both side surfaces of the sliding sleeve 5, a plurality of movable rods 7 are movably connected to a side of the first connecting plate 6 away from the sliding sleeve 5, a second connecting plate 8 is movably connected to an end of the movable rod 7 away from the first connecting plate 6, and a movable plate 9, a sliding mechanism is arranged between the bottom end of the movable plate 9 and the fixed plate 2, and a pin head 10 is fixedly connected to the bottom end of the pin body 1.

Through the above technical scheme of the utility model, can be after the locating hole is inserted to the round pin body 1, rotate turning handle 12 and make fly leaf 9 stretch out once more with the contact of locating hole inner wall, increase the frictional force between the round pin body 1 and the locating hole, further prevent that the locating pin from droing.

Example two:

referring to fig. 1-2, for the driving mechanism, the driving mechanism includes a rotating rod 11 and a rotating handle 12, the top end of the threaded rod 4 is fixedly connected with the rotating rod 11, the top end of the rotating rod 11 penetrates through the pin body 1 and is fixedly connected with the rotating handle 12, for the sliding mechanism, the sliding mechanism includes a sliding chute 13, a sliding block 14 and a sliding rod 15, the top end of the fixed plate 2 is symmetrically provided with the sliding chute 13, the sliding block 13 is slidably connected with the sliding block 14, the top end of the sliding block 14 is fixedly connected with the sliding rod 15, the sliding rod 15 is fixedly connected with the movable plate 9, for the pin body 1, the top end of the pin body 1 is fixedly connected with a baffle 16, for the movable plate 9, one end of the movable plate 9 far away from the connecting plate two 8 is fixedly connected with a rubber pad 17, for the pin body 1, both side surfaces of the pin body 1 are provided with openings 18, the opening 18 is matched with the movable plate 9, and for the movable rod 7, a movable shaft 19 is connected between the movable rod 7 and the first connecting plate 6 and the second connecting plate 8.

Through the above technical scheme of the utility model, rubber pad 17 not only can increase the frictional force between fly leaf 9 and the locating hole inner wall, can prevent fly leaf 9 and locating hole inner wall direct contact moreover to cause wearing and tearing.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the positioning pin is used, the pin body 1 is inserted into the positioning hole firstly, after the positioning pin is fixed, the rotating handle 12 is rotated manually, the rotating handle 12 drives the rotating rod 11 to rotate, the rotating rod 11 drives the threaded rod 4 to rotate, the threaded rod 4 drives the sliding sleeve 5 to move downwards, so that the connecting plate I6 also moves downwards, the connecting plate I6 drives the connecting plate II 8 to move horizontally through the movable rod 7, so that the movable plate 9 moves horizontally, the movable plate 9 extends out of the opening 18 and contacts with the inner wall of the positioning hole, the rubber pad 17 on the movable plate 9 increases the friction force between the movable plate 9 and the inner wall of the positioning hole, so that the pin body 1 is not easy to fall off from the positioning hole, the movable plate 9 can be convenient to move horizontally through the sliding groove 13, the sliding block 14 and the sliding rod 15, and the sliding sleeve 5 can be limited to only move up and down, without rotating with the threaded rod 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The anti-drop positioning pin capable of being accurately guided is characterized by comprising a pin body (1), wherein a fixed plate (2) is fixedly connected inside the pin body (1), a threaded sleeve (3) is fixedly connected to the top end of the middle of the fixed plate (2), a threaded rod (4) is connected to the internal thread of the threaded sleeve (3), a sliding sleeve (5) is connected to the top end of the threaded rod (4), the bottom end of the sliding sleeve (5) is connected with the surface of the threaded sleeve (3) in a sliding manner, a driving mechanism is fixedly connected to the top end of the threaded rod (4), connecting plates (6) are fixedly connected to the surfaces of the two sides of the sliding sleeve (5), one side, far away from the sliding sleeve (5), of each connecting plate (6) is movably connected with a plurality of movable rods (7), one ends, far away from the connecting plates (6), of the movable rods (7) are, one side of the second connecting plate (8) far away from the movable rod (7) is fixedly connected with a movable plate (9), a sliding mechanism is arranged between the bottom end of the movable plate (9) and the fixed plate (2), and a pin head (10) is fixedly connected to the bottom end of the pin body (1).

2. The anti-drop positioning pin capable of being precisely guided is characterized in that the driving mechanism comprises a rotating rod (11) and a rotating handle (12), the rotating rod (11) is fixedly connected to the top end of the threaded rod (4), and the rotating rod (11) penetrates through the pin body (1) and is fixedly connected with the rotating handle (12).

3. The anti-falling positioning pin capable of guiding precisely according to claim 1, wherein the sliding mechanism comprises a sliding groove (13), a sliding block (14) and a sliding rod (15), the sliding groove (13) is symmetrically formed at the top end of the fixed plate (2), the sliding block (14) is slidably connected inside the sliding groove (13), the sliding rod (15) is fixedly connected at the top end of the sliding block (14), and the sliding rod (15) is fixedly connected with the movable plate (9).

4. The anti-dropping positioning pin capable of being precisely guided according to the claim 1 is characterized in that a baffle (16) is fixedly connected to the top end of the pin body (1).

5. The anti-drop positioning pin capable of being precisely guided is characterized in that a rubber pad (17) is fixedly connected to one end, away from the second connecting plate (8), of the movable plate (9).

6. The anti-drop positioning pin capable of being accurately guided according to claim 1, wherein the pin body (1) is provided with openings (18) on both side surfaces, and the openings (18) are matched with the movable plate (9).

7. The anti-dropping positioning pin capable of being precisely guided according to claim 1, wherein a movable shaft (19) is connected between the movable rod (7) and the first connecting plate (6) and the second connecting plate (8).