CN215293171U - Pin shaft anti-drop device and corresponding pin shaft - Google Patents
Pin shaft anti-drop device and corresponding pin shaft Download PDFInfo
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- CN215293171U CN215293171U CN202120730797.6U CN202120730797U CN215293171U CN 215293171 U CN215293171 U CN 215293171U CN 202120730797 U CN202120730797 U CN 202120730797U CN 215293171 U CN215293171 U CN 215293171U
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Abstract
The utility model belongs to the technical field of pin shafts, and particularly discloses a pin-dropping prevention device for a pin shaft, which comprises a pin-dropping prevention ring and a pin-dropping prevention ring; the anti-drop pin comprises an anti-drop cap and an anti-drop shaft fixedly connected with the anti-drop cap; the anti-falling cap is provided with a first through hole, the anti-falling shaft is provided with a second through hole, the hole opening directions of the first through hole and the second through hole are the same, and the axial included angle between the hole opening direction of the first through hole and the hole opening direction of the second through hole and the axial included angle between the hole opening direction of the anti-falling shaft and the axial included angle between the hole opening direction of the first through hole and the axial included angle between the hole opening direction of the second through hole and the axial included angle of the anti-falling shaft are larger than 0 degree; the anti-drop ring is inserted through the first through hole and the second through hole and is of a coiled structure. The utility model also discloses a be provided with above-mentioned round pin axle with anticreep round pin device round pin axle. The utility model discloses can realize preventing to take off the round pin to the locking of round pin axle, simple structure, convenient to use moreover.
Description
Technical Field
The utility model belongs to the technical field of the round pin axle for the anticreep round pin, specifically speaking are anticreep round pin device and corresponding round pin axle for round pin axle.
Background
The pin shaft is a standard fastener, can be statically and fixedly connected, can also move relative to a connected piece, and is mainly used at the hinged position of two parts to form a hinged connection.
Because the pin shaft is mainly used for forming hinge connection, the number of daily rotation of the pin shaft is large, and the pin shaft can be separated if the pin shaft is not locked.
The pin shaft is usually locked by a cotter pin, and has reliable work and convenient disassembly. However, in the prior art, the pin falling-off prevention device for the pin shaft is generally complex, which not only increases the complexity of the structure, but also increases the production cost.
Disclosure of Invention
The utility model aims at providing a pin-dropping prevention device for a pin shaft, which can realize the locking of the pin shaft and prevent pin dropping, and has simple structure and convenient use;
another object of the present invention is to provide a pin shaft including the above anti-slip pin device for a pin shaft.
The utility model discloses a realize above-mentioned purpose, the technical scheme who adopts as follows:
an anti-drop pin device for a pin shaft comprises an anti-drop pin and an anti-drop ring;
the anti-drop pin comprises an anti-drop cap and an anti-drop shaft fixedly connected with the anti-drop cap;
the anti-falling cap is provided with a first through hole, the anti-falling shaft is provided with a second through hole, the hole opening directions of the first through hole and the second through hole are the same, and the axial included angle between the hole opening direction of the first through hole and the hole opening direction of the second through hole and the axial included angle between the hole opening direction of the anti-falling shaft and the axial included angle between the hole opening direction of the first through hole and the axial included angle between the hole opening direction of the second through hole and the axial included angle of the anti-falling shaft are larger than 0 degree;
the anti-drop ring is inserted through the first through hole and the second through hole and is of a coiled structure.
As a limitation: the hole opening directions of the first through hole and the second through hole are perpendicular to the axial direction of the anti-falling shaft.
As a second limitation: the anti-coil-off device is coiled by more than 900 degrees around the center of the anti-coil-off device.
As a third limitation: the anti-drop ring is a spring steel wire ring.
The utility model also discloses a round pin axle, it includes the tip, with the axial region that the tip linked firmly, the anticreep pinhole has been seted up to the axial region, installs foretell anticreep round pin device for round pin axle in the anticreep pinhole to first through-hole and second through-hole are located the both sides of axial region.
As a limitation: the orthographic projection of the anti-falling cap on the anti-falling pin hole is intersected with the edge of the anti-falling pin hole.
The utility model discloses owing to adopted foretell technical scheme, it compares with prior art, and the technical progress who gains lies in:
(1) the utility model can lock the pin shaft and prevent pin from being disengaged, and has simple structure and convenient use;
(2) the pin-dropping prevention device for the pin shaft of the utility model is composed of the pin-dropping prevention and the anti-dropping ring, which not only has low requirement on equipment in production, but also has simple operation when in use, and can reduce the production cost and the installation cost;
(3) in the utility model, the anti-drop ring is coiled after passing through the first through hole and the second through hole, so that the anti-drop ring can be effectively prevented from dropping, and the anti-drop ring is coiled by more than 900 degrees around the center of the anti-drop ring, thereby further increasing the firmness degree of the anti-drop ring after being locked;
(4) the anti-drop ring adopts the spring steel wire ring, has high strength, high toughness, long service life, convenient wearing and dismounting and repeated use, reduces the purchasing cost and increases the safety and reliability of the equipment;
(5) the utility model discloses an orthographic projection of anticreep cap on the anticreep pinhole intersects with the edge in anticreep pinhole, guarantees that the anticreep cap can not pass the anticreep pinhole, uses with the anticreep circle cooperation, can show the fastness that improves the locking of round pin axle with anticreep round pin device to the round pin axle.
The utility model is suitable for a round pin axle technical field is applicable to the anticreep round pin axle.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1. the anti-drop cap comprises an anti-drop cap body 2, an anti-drop shaft 3, a first through hole 4, a second through hole 5, an anti-drop ring 6, an end part 7, a shaft part 8 and an anti-drop pin hole.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.
As shown in fig. 1, the present embodiment is composed of a retaining pin and a retaining ring 5. Wherein, anticreep round pin includes anticreep cap 1, the anticreep axle 2 that links firmly with anticreep cap 1. The anti-drop cap 1 is provided with a first through hole 3, the anti-drop shaft 2 is provided with a second through hole 4, the hole opening directions of the first through hole 3 and the second through hole 4 are the same, and the axial included angle between the hole opening direction of the first through hole and the hole opening direction of the second through hole and the axial included angle between the hole opening direction of the anti-drop shaft 2 are larger than 0 degree; the anti-drop ring 5 penetrates through the first through hole 3 and the second through hole 4 and is of a coiled structure.
In this embodiment, anticreep circle 5 is the spring steel wire winding, and anticreep circle 5 coils around its center more than 900, specifically, the one end of anticreep circle 5 passes first through-hole 3, second through-hole 4 in proper order, so coil two and more than half a circle repeatedly and form the coiled structure as shown in fig. 1.
Preferably, in the present embodiment, the opening direction of the first through hole 3 and the second through hole 4 is perpendicular to the axial direction of the anti-drop shaft 2.
Embodiment 2A pin shaft
As shown in fig. 2, the present embodiment includes an end portion 6 and a shaft portion 7 fixedly connected to the end portion 6, the shaft portion 7 is provided with an anti-slip pin hole 8, and an anti-slip pin device for a pin shaft is installed in the anti-slip pin hole 8.
The pin detachment preventing device for a pin shaft in this embodiment has the structure in embodiment 1. Wherein, the orthographic projection of the anti-drop cap 1 on the anti-drop pin hole 8 is intersected with the anti-drop pin hole 8. Preferably, in the present embodiment, the cross section of the drop-off prevention cap 1 is circular, the shape of the opening of the drop-off prevention pin hole 8 is also circular, and the cross section of the drop-off prevention cap 1 is larger than the area of the opening of the drop-off prevention pin hole 8.
The working principle of the embodiment is as follows: during the use, at first pass the mounting hole of required installation part with axial region 7 of round pin axle, then insert anticreep axle 2 anticreep pinhole 8 until anticreep cap 1 card 8 departments in anticreep pinhole, at this moment first through-hole 3, second through-hole 4 is located the both sides of axial region 7 after being separated by axial region 7, then pass first through-hole 3 with the one end of anticreep circle 5 in proper order, after second through-hole 4, pass first through-hole 3, second through-hole 4 again, so relapse, coil two and half more formation as shown in fig. 1 and the coiled structure that fig. 2 shows, up to this time accomplish the installation and the locking of round pin axle. When the pin shaft is disassembled, the pin shaft can be disassembled according to a procedure opposite to the installation procedure. Because the anti-drop ring 5 is a spring steel wire ring, the strength and the toughness are high, and the anti-drop ring can be repeatedly used after being detached.
Claims (6)
1. The utility model provides a round pin is with anticreep round pin device which characterized in that: it is composed of an anti-drop pin and an anti-drop ring;
the anti-drop pin comprises an anti-drop cap and an anti-drop shaft fixedly connected with the anti-drop cap;
the anti-falling cap is provided with a first through hole, the anti-falling shaft is provided with a second through hole, the hole opening directions of the first through hole and the second through hole are the same, and the axial included angle between the hole opening direction of the first through hole and the hole opening direction of the second through hole and the axial included angle between the hole opening direction of the anti-falling shaft and the axial included angle between the hole opening direction of the first through hole and the axial included angle between the hole opening direction of the second through hole and the axial included angle of the anti-falling shaft are larger than 0 degree;
the anti-drop ring is inserted through the first through hole and the second through hole and is of a coiled structure.
2. The anti-drop pin device for the pin shaft according to claim 1, wherein: the hole opening directions of the first through hole and the second through hole are perpendicular to the axial direction of the anti-falling shaft.
3. The anti-drop device for the pin shaft according to claim 1 or 2, wherein: the anti-coil-off device is coiled by more than 900 degrees around the center of the anti-coil-off device.
4. The anti-drop device for the pin shaft according to claim 1 or 2, wherein: the anti-drop ring is a spring steel wire ring.
5. A pin shaft is characterized in that: the anti-drop pin device for the pin shaft comprises an end part and a shaft part fixedly connected with the end part, wherein an anti-drop pin hole is formed in the shaft part, the anti-drop pin device for the pin shaft as claimed in any one of claims 1 to 4 is installed in the anti-drop pin hole, and the first through hole and the second through hole are located on two sides of the shaft part.
6. The pin of claim 5, wherein: the orthographic projection of the anti-falling cap on the anti-falling pin hole is intersected with the edge of the anti-falling pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120730797.6U CN215293171U (en) | 2021-04-12 | 2021-04-12 | Pin shaft anti-drop device and corresponding pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120730797.6U CN215293171U (en) | 2021-04-12 | 2021-04-12 | Pin shaft anti-drop device and corresponding pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215293171U true CN215293171U (en) | 2021-12-24 |
Family
ID=79536028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120730797.6U Active CN215293171U (en) | 2021-04-12 | 2021-04-12 | Pin shaft anti-drop device and corresponding pin shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215293171U (en) |
-
2021
- 2021-04-12 CN CN202120730797.6U patent/CN215293171U/en active Active
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