Pin anti-falling structure for producing automobile part die

Abstract

The utility model discloses a pin anti-falling structure for producing an automobile part die, and relates to the technical field of automobile parts. Comprising a pin outer frame, a hexagonal frame is fixedly arranged at the top of the outer wall of the pin outer frame, the anti-falling structure is arranged in the pin outer frame and the hexagonal frame, the anti-falling structure comprises a threaded rod, a plurality of extrusion pieces and a plurality of fixing rods, and the outer wall of the threaded rod is embedded in the pin outer frame and the hexagonal frame in a threaded mode; the multiple fixing rods are fixedly embedded in the pin outer frame at equal intervals along the circumferential surface, the multiple fixing rods are rotationally sleeved with the top ends of the multiple extrusion pieces correspondingly, and the outer walls of the multiple extrusion pieces are slidably embedded in the pin outer frame along the circumferential surface. Through the threaded rod, the extrusion pieces, the fixing rod, the anti-skid groove and the limiting ring, the extrusion pieces can be far away from each other to abut against the pin embedding position to form fixation according to the extrusion principle, and the limiting ring is embedded into the anti-rotation groove to stop rotation of the limiting ring so as to prevent the pin from being fixed and loosened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, specifically is a pin anti -drop structure of production automobile parts mould. BACKGROUND

[0002] At present, pin anti-drop structure is widely used in various mechanical connections, especially in the production of automobile parts mould, pin anti-drop structure can effectively prevent the safety accidents caused by pin drop, such as the pin used on the transmission line hardware, if drop may lead to line fault, even cause greater safety accident.

[0003] At present, the pin anti-drop structure used in automobile parts mould is easy to be affected by vibration, leading to the loosening of part of the pin, which is easy to cause the drop, and the pin is also inconvenient to take out in the later period due to the influence of the anti-drop structure. UTILITY MODEL CONTENTS

[0004] The utility model provides a pin anti-drop structure of production automobile parts mould, through threaded rod, extrusion piece, fixed link, anti -skid groove and limit ring, can utilize extrusion principle, make extrusion piece mutually far away and be in the place of pin embedding, form fixed, and make limit ring embed into anti -rotation groove, block the rotation of limit ring, prevent the loosening of pin fixed.

[0005] In order to realize above -mentioned purpose, the utility model is realized through following technical scheme: a pin anti-drop structure of production automobile parts mould, including:

[0006] Pin outer frame, the outer wall top of pin outer frame is equipped with hexagonal frame fixedly;

[0007] Anti -drop structure, is located in pin outer frame and hexagonal frame;

[0008] The anti-drop structure includes threaded rod, a plurality of extrusion pieces and a plurality of fixed links, the outer wall of the threaded rod is threadedly embedded in the pin outer frame and the hexagonal frame, the plurality of fixed links are fixedly embedded in the pin outer frame along the circumferential surface at equal distances, the top of the plurality of extrusion pieces is rotatably sleeved on the plurality of fixed links, and the outer wall of the plurality of extrusion pieces is slidably embedded in the pin outer frame along the circumferential surface.

[0009] For the pin anti-drop structure of production automobile parts mould of the utility model, the anti -skid groove is formed in the side of the plurality of extrusion pieces away from each other.

[0010] For the pin anti-drop structure of production automobile parts mould of the utility model, the outer wall of the threaded rod is slidably sleeved with a limit ring, and the inner wall of the limit ring extends a plurality of extension blocks along the circumferential surface at equal distances.

[0011] The utility model provides a pin anti -drop structure of production automobile parts mould, the outer wall top of threaded rod is equipped with the limiting block with the threaded embedding.

[0012] The utility model provides a pin anti -drop structure of production automobile parts mould, the outer wall top of hexagonal frame is equipped with anti -rotation groove, the outer wall of limiting ring and anti -rotation groove are matched with each other.

[0013] The utility model provides a pin anti -drop structure of production automobile parts mould, the outer wall top of threaded rod is equipped with the limiting block with the threaded embedding.

[0014] The utility model provides a pin anti -drop structure of production automobile parts mould.

[0015] Beneficial effects are as follows:

[0016] (1) the pin anti -drop structure of production automobile parts mould, through threaded rod, extrusion piece, fixed link, anti -slip groove and limiting ring, can utilize extrusion principle, makes extrusion piece and away from each other and is inlaid in the place of pin, forms fixed, and makes limiting ring inlaid into anti -rotation groove, blocks the rotation of limiting ring, prevents pin fixed loose. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the front view of the utility model;

[0018] Fig. 2 It is the sectional view of the utility model;

[0019] Fig. 3 It is the explosion drawing of the utility model.

[0020] In the drawing: 1, pin outer frame;2, hexagonal frame;3, threaded rod;4, extrusion piece;5, fixed link;6, anti -slip groove;7, limiting ring;8, extension block;9, limiting slot;10, anti -rotation groove;11, limiting block. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a pin anti -drop structure of production automobile parts mould, comprising:

[0023] The outer wall top of the pin outer frame 1 is fixedly provided with a hexagonal frame 2.

[0024] The anti-falling structure is arranged in the pin outer frame 1 and the hexagonal frame 2.

[0025] The anti-falling structure comprises a threaded rod 3, a plurality of extrusion pieces 4 and a plurality of fixed rods 5. The outer wall of the threaded rod 3 is threadedly embedded in the pin outer frame 1 and the hexagonal frame 2. The plurality of fixed rods 5 are embedded in the pin outer frame 1 at equal distances along the circumferential surface. The top ends of the plurality of extrusion pieces 4 are rotatably sleeved on the plurality of fixed rods 5. The outer wall of the plurality of extrusion pieces 4 is slidably embedded in the pin outer frame 1 along the circumferential surface.

[0026] In the embodiment, the pin shape is formed by the pin outer frame 1 and the hexagonal frame 2, the threaded rod 3 can be threadedly rotated in the pin outer frame 1 and the hexagonal frame 2, the plurality of fixed rods 5 can swing the plurality of extrusion pieces 4 in the pin outer frame 1, the threaded rod 3 is threadedly extruded on one side of the plurality of extrusion pieces 4 close to each other, and the other side of the plurality of extrusion pieces 4 away from each other is abutted on the fixed area, so as to form the fixation.

[0027] Specifically, the side away from each other of the plurality of extrusion pieces 4 is provided with an anti-skid groove 6.

[0028] In the embodiment, the anti-skid groove 6 can make the extrusion piece 4 abut on the fixed area, so that the pin outer frame 1 cannot be rotated in the fixed area.

[0029] Specifically, the outer wall of the threaded rod 3 is slidably sleeved with a limiting ring 7, and the inner wall of the limiting ring 7 extends a plurality of extension blocks 8 at equal distances along the circumferential surface.

[0030] In the embodiment, the plurality of extension blocks 8 can make the limiting ring 7 stably slide up and down on the threaded rod 3 and cannot be rotated.

[0031] Specifically, a plurality of limiting grooves 9 are equally arranged on the outer wall upper surface of the threaded rod 3 along the circumferential surface, and the plurality of extension blocks 8 and the plurality of limiting grooves 9 are matched with each other.

[0032] In the embodiment, the plurality of limiting grooves 9 correspond to the plurality of extension blocks 8 to limit the rotation of the limiting ring 7.

[0033] Specifically, the outer wall top of the hexagonal frame 2 is provided with an anti-rotation groove 10, and the outer wall of the limiting ring 7 is matched with the anti-rotation groove 10.

[0034] In the embodiment, the anti-rotation groove 10 can make the limiting ring 7 on the fixed threaded rod 3 slide down and be embedded, block the rotation of the limiting ring 7, make the threaded rod 3 unable to rotate, and prevent the pin from loosening.

[0035] Specifically, the outer wall top of the threaded rod 3 is threadedly embedded with a limiting block 11.

[0036] In this embodiment: the limiting ring 7 cannot slide out by the limiting block 11.

[0037] In use, the pin outer frame 1 and the hexagonal frame 2 form a pin shape, embedded in a fixed place, the threaded rod 3 can be screwed in the pin outer frame 1 and the hexagonal frame 2, the plurality of fixed rods 5 can make the plurality of extrusion pieces 4 swing in the pin outer frame 1, the threaded rod 3 is screwed and extruded on the side of the plurality of extrusion pieces 4 close to each other, so that the side of the plurality of extrusion pieces 4 away from each other is against the fixed area, forming a fixed.

[0038] Specifically, the side of the plurality of extrusion pieces 4 away from each other is provided with an anti-skid groove 6, which can make the extrusion piece 4 resist the fixed area, so that the pin outer frame 1 cannot rotate in the fixed area, the plurality of extension blocks 8 can make the limiting ring 7 slide stably up and down on the threaded rod 3 and cannot rotate, the plurality of limiting grooves 9 correspond to the plurality of extension blocks 8 embedded to limit the rotation of the limiting ring 7, the anti-rotation groove 10 can make the limiting ring 7 slide down and embed on the fixed threaded rod 3, block the rotation of the limiting ring 7, so that the threaded rod 3 cannot rotate, to prevent the pin from loosening, the limiting block 11 can make the limiting ring 7 cannot slide out, can use the extrusion principle, make the extrusion piece 4 away from each other and resist the place where the pin is embedded, form a fixed, and make the limiting ring 7 embedded in the anti-rotation groove 10, block the rotation of the limiting ring 7, to prevent the pin from loosening.

[0039] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A pin anti-detachment structure for a mold for producing automotive parts, characterized in that, Include: Pin outer frame (1), the outer wall top of the pin outer frame (1) is fixed with hexagonal frame (2); Anti-falling structure is arranged in the pin outer frame (1) and hexagonal frame (2); The anti-falling structure includes a threaded rod (3), a plurality of extrusion pieces (4) and a plurality of fixed rods (5), the outer wall of the threaded rod (3) is threadedly embedded in the pin outer frame (1) and hexagonal frame (2), the plurality of fixed rods (5) are embedded in the pin outer frame (1) along the equidistant circumferential surface, the top end of the plurality of extrusion pieces (4) is respectively rotatably sleeved on the plurality of fixed rods (5), and the outer wall of the plurality of extrusion pieces (4) is slidably embedded in the pin outer frame (1) along the circumferential surface.

2. The pin unseating structure of a mold for an automobile part according to claim 1, characterized by: The side of the plurality of extrusion pieces (4) away from each other is provided with an anti-skid groove (6).

3. The pin unseating structure of a mold for an automobile part according to claim 2, characterized in that: The outer wall of the threaded rod (3) is slidably sleeved with a limiting ring (7), and the inner wall of the limiting ring (7) extends a plurality of extension blocks (8) along the circumferential surface.

4. The pin unseating structure of a mold for an automobile part according to claim 3, characterized by: The outer wall of the threaded rod (3) is provided with a plurality of limiting grooves (9) on the equidistant circumferential surface, and the plurality of extension blocks (8) and the plurality of limiting grooves (9) are matched with each other respectively.

5. The pin unseating structure of a mold for an automobile part according to claim 4, characterized in that: The outer wall of the hexagonal frame (2) is provided with an anti-rotation groove (10) on the top, and the outer wall of the limiting ring (7) is matched with the anti-rotation groove (10).

6. A pin unseating structure for a mold for an automobile part according to claim 5, characterized in that: The outer wall of the threaded rod (3) is threadedly embedded with a limiting block (11) on the top.

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