CN214576377U - Safety pin - Google Patents
Safety pin Download PDFInfo
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- CN214576377U CN214576377U CN202120757497.7U CN202120757497U CN214576377U CN 214576377 U CN214576377 U CN 214576377U CN 202120757497 U CN202120757497 U CN 202120757497U CN 214576377 U CN214576377 U CN 214576377U
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- stop block
- pin body
- pin
- clamping groove
- safety pin
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Abstract
The utility model relates to a safety pin, include: the upper end surface of the pin body is provided with a clamping groove; the stop block is clamped in the clamping groove and provided with a rotating hole along the length extending direction; the rotating shaft is arranged on the pin body and penetrates through the side surface of the pin body in a front-back mode through the clamping groove and the rotating hole, and the stop block is rotatably arranged on the pin body through the rotating hole in a winding mode. An elastic part is further installed in the clamping groove, and a clamping piece is arranged at the top end of the elastic part; and a blocking part matched with the clamping piece in structure is correspondingly matched and arranged on the stop block. The safety pin adopts two working modes of gravity principle and self-locking clamping, has the function of preventing the door from falling off, and has simple structure and reliable function.
Description
Technical Field
The utility model relates to a safety pin for the chamber door anticreep.
Background
The locking and the anti-falling of the box door are always the problems faced by and required to be solved by the equipment under the rail vehicle. At present, most box doors are locked by adopting a door lock structure, so that the dependence on the quality of the door lock is stronger, and once the door lock has a problem, the risk that the box door falls off exists. On a high-speed flying train, serious safety accidents are easily caused by the falling of the box door of equipment under the train, so that the reliability of the door lock is enhanced and the falling prevention of the box door is realized.
Therefore, this application is considered to design a safety pin structure that can realize the chamber door anticreep, and this safety pin can play the chamber door and prevent out, the effect of anticreep after the chamber door lock became invalid.
SUMMERY OF THE UTILITY MODEL
The utility model provides a safety pin installs the safety pin behind the case door, can play the effect of preventing opening, anticreep to the chamber door.
In order to achieve the above object, the present invention provides a safety pin, including:
the upper end surface of the pin body is provided with a clamping groove;
the stop block is clamped in the clamping groove and provided with a rotating hole along the length extending direction;
the rotating shaft is arranged on the pin body and penetrates through the side surface of the pin body in a front-back mode through the clamping groove and the rotating hole, and the stop block is rotatably arranged on the pin body through the rotating hole in a winding mode.
Preferably, the rotating holes are strip-shaped holes with two semicircular end parts.
Preferably, the corner of one side of the stop block rotating around the rotating shaft towards the inner rotation of the clamping groove is a rounded corner, and the circle center of the semicircular structure on the corresponding side of the rotating hole is used as the circle center of the rounded corner.
Preferably, an elastic part is further installed in the clamping groove, and a clamping piece is arranged at the top end of the elastic part;
and a blocking part matched with the clamping piece in structure is correspondingly matched and arranged on the stop block.
Preferably, the elastic component is a spring.
Preferably, the clamping piece is arranged to clamp the round ball.
Preferably, the blocking part is arranged to be a groove structure matched with the clamping ball structure.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
the utility model provides a safe round pin with chamber door anticreep, simple structure, function are reliable, the safe round pin adopts gravity principle and two kinds of working methods of auto-lock chucking, in the actual installation, selects the safe round pin of gravity action anticreep design or the safe round pin of elasticity effect anticreep design according to the needs of different applied scenes. The safety pin combines the pin body, the stop block and the rotating shaft, the rotating shaft is installed on the pin body, the rotating shaft penetrates through the clamping groove of the pin body and the side surface of the pin body in the front and at the back of the rotating hole of the stop block, and the stop block is rotatably installed on the pin body around the rotating shaft through the rotating hole. When the safety pin designed under the action of gravity is adopted, the safety pin can be opened or closed skillfully under the action of self gravity through rotating the position of the stop block, and the stop block cannot be bounced to be opened under the condition of no external force action, so that the box door cannot be opened and fall off under the working state.
When the safety pin based on the self-locking clamping design is adopted, an elastic part is further installed in the clamping groove of the pin body, a clamping piece is arranged on the top end of the elastic part, and meanwhile, a blocking part matched with the clamping piece in structure is correspondingly matched and arranged on the stop block. When the safety pin is installed on the box door, the safety pin stop block rotates around the rotating shaft, the clamping piece is clamped with the blocking part of the stop block through the elastic action of the elastic component, the self-locking of the stop block is realized, the box door can be opened or closed through the position of the rotating stop block, the operation is simple and convenient, no external tool is needed, and the opening and the closing of the box door can be completed quickly.
Drawings
Fig. 1 is a safety pin structure diagram according to embodiment 1 of the present invention;
FIG. 2 is a schematic view showing a locking state of the safety pin according to embodiment 1;
FIG. 3 is a schematic view showing an open state of a safety pin according to embodiment 1;
FIG. 4 is a construction view of a shear pin according to embodiment 2;
FIG. 5 is a schematic view showing a locking state of the safety pin according to embodiment 2;
FIG. 6 is a schematic view showing an open state of a safety pin according to embodiment 2;
wherein:
the pin comprises a pin body 1, a clamping groove 11, a stop block 2, a rotating hole 21, a blocking part 22, a rotating shaft 3, an anti-falling plate 4, an elastic part 5 and a clamping piece 6.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are partial embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the drawings described above, are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
Example 1:
this embodiment provides a safety pin for the anticreep is prevented out by the chamber door, and this safety pin is based on the design of action of gravity anticreep, mainly includes the round pin body 1, dog 2, several parts of pivot 3, as shown in fig. 1, wherein draw-in groove 11 has been seted up to the up end of the round pin body 1, and dog 2 clamps in the draw-in groove 11 of the round pin body 1, and 2 centers of dog have seted up along length extending direction and have rotated hole 21, will rotate hole 21 in this embodiment and set up to the bar hole that both ends are semi-circular structure. The rotating shaft 3 is installed on the pin body 1, the rotating shaft 3 penetrates through the side surface of the pin body 1 in the front and back direction through the clamping groove 11 of the pin body 1 and the rotating hole 21 of the stop block 2, and the stop block 2 is rotatably installed on the pin body 1 around the rotating shaft 3 through the rotating hole 21. The rotating shaft 3 can be installed on the pin body 1 through the modes of bolt connection installation, riveting installation, welding installation and the like.
When the safety pin is installed on the door, the safety pin stop block 2 rotates around the rotating shaft 3, the rotating shaft 3 is positioned at the point a of the upper end point of the rotating hole 21 of the stop block 2 under the action of gravity, and as shown in fig. 2, the safety pin and the anti-falling plate 4 on the door form a locking state at the moment. The safety pin stop block 2 is lifted upwards and rotated outwards by 90 degrees, the stop block 2 is kept parallel to the pin body 1, the rotating shaft 3 is positioned at the point b of the lower end of the rotating hole 21 of the stop block 2, and the locking state is released.
Referring to fig. 2 and 3, in order to avoid interference between the stopper 2 and the pin body 1 during rotation, a corner at one side of the stopper 2 rotating around the rotating shaft 3 towards the slot 11 of the pin body 1 is set as a rounded corner, and the center of a circle of the semicircular structure at the corresponding side of the rotating hole 21 is used as the center of the rounded corner.
The safety pin that this embodiment provided combines round pin body 1, dog 2, pivot 3, install pivot 3 on round pin body 1, pivot 3 passes round pin body 1's draw-in groove 11 and 2 rotation hole 21 front and back through round pin body 1's side surface, with dog 2 through rotating hole 21 around 3 rotations of rotation shaft and install on round pin body 1, through the position of rotating dog 2, can open or close, easy and simple to handle, need not external instrument, can accomplish opening and closing of chamber door fast. This safety pin is based on the design of action of gravity anticreep, ingenious with the help of the effect of self gravity, and the dog can not bounce and open under the condition of no exogenic action, ensures that the chamber door operating condition can not open under and drops.
Example 2:
this embodiment provides a safety pin for the anticreep is prevented out by the chamber door, and this safety pin is based on the design of elasticity effect anticreep, mainly includes the round pin body 1, dog 2, several parts of pivot 3, as shown in fig. 4, wherein draw-in groove 11 has been seted up to the up end of the round pin body 1, and dog 2 clamps in the draw-in groove 11 of the round pin body 1, and 2 centers of dog have seted up along length extending direction and have rotated hole 21, will rotate hole 21 in this embodiment and set up to the bar hole that both ends are semi-circular structure. The rotating shaft 3 is installed on the pin body 1, the rotating shaft 3 penetrates through the side surface of the pin body 1 in the front and back direction through the clamping groove 11 of the pin body 1 and the rotating hole 21 of the stop block 2, and the stop block 2 is rotatably installed on the pin body 1 around the rotating shaft 3 through the rotating hole 21. An elastic part 5 is further installed in the clamping groove 11, a clamping piece 6 is arranged at the top end of the elastic part 5, and a blocking part 22 matched with the clamping piece 6 in structure is correspondingly arranged on the stop block 2 in a matched mode. In this embodiment, the elastic member 5 is a spring, the fastening member 6 is configured to fasten a round ball, and the blocking portion 22 of the stopper 2 is configured to be a groove structure matching the structure of the fastening round ball, as shown in fig. 4.
When the safety pin is installed on the door, the safety pin stop block 2 rotates around the rotating shaft 3, the clamping piece 6 is clamped with the blocking part 22 of the stop block 2 through the elastic force of the elastic part 5, the rotating shaft 3 is positioned at the upper end point a of the rotating hole 21 of the stop block 2, and as shown in fig. 5, the safety pin and the anti-falling plate 4 on the door form a locking state. The safety pin stopper 2 is lifted up to disengage the stopper 22 of the stopper 2 from the card holder 6 and rotated outward by 90 deg., so that the stopper 2 is kept parallel to the pin body 1, and the rotation shaft 3 is positioned at the lower end point b of the rotation hole 21 of the stopper 2, and the locked state is released, as shown in fig. 6.
Referring to fig. 5 and 6, in order to avoid interference between the stopper 2 and the pin body 1 during rotation, a corner at one side of the stopper 2 rotating around the rotating shaft 3 towards the slot 11 of the pin body 1 is set as a rounded corner, and the center of a circle of the semicircular structure at the corresponding side of the rotating hole 21 is used as the center of the rounded corner.
The safety pin that this embodiment provided combines round pin body 1, dog 2, pivot 3 based on the design of auto-lock chucking, installs pivot 3 on round pin body 1, and pivot 3 runs through round pin body 1's side surface around passing through the draw-in groove 11 of round pin body 1 and the rotation hole 21 of dog 2, and it installs round rotation shaft 3 around round rotation hole 21 on round pin body 1 to pass through dog 2. An elastic part 5 is arranged in the clamping groove 11, a clamping piece 6 is arranged at the top end of the elastic part 5, and a blocking part 22 matched with the clamping piece 6 in structure is correspondingly arranged on the stop block 2. When the safety pin is installed on the box door, the safety pin stop block 2 rotates around the rotating shaft 3, the clamping piece 6 and the stop part 22 of the stop block 2 are clamped under the elastic action of the elastic component 5, the self-locking of the stop block is realized, the stop block is guaranteed not to be automatically opened, the box door can be opened or closed through the position of the rotating stop block 2, the operation is simple and convenient, an external tool is not needed, and the opening and closing of the box door can be rapidly completed.
To sum up, the safety pin of this application design adopts gravity principle and two kinds of working methods of auto-lock chucking, in the actual installation, can adopt modes such as spiro union installation, riveting installation and welding installation to install the safety pin as required on the chamber door, also can select the safety pin of gravity action anticreep design or the safety pin of elasticity action anticreep design according to needs such as different application scenes. The safety pin combines the pin body 1, the stop block 2 and the rotating shaft 3, the rotating shaft 3 is installed on the pin body 1, the rotating shaft 3 penetrates through the side surface of the pin body 1 in the front and back direction through the clamping groove 11 of the pin body 1 and the rotating hole 21 of the stop block 2, and the stop block 2 is installed on the pin body 1 in a rotating mode around the rotating shaft 3 through the rotating hole 21. When the safety pin designed under the action of gravity is adopted, the safety pin can be opened or closed skillfully under the action of self gravity through rotating the position of the stop block 2, and the stop block cannot be bounced to be opened under the condition of no external force action, so that the door plate cannot be opened and fall off under the working state. When the safety pin based on the self-locking clamping design is adopted, an elastic part 5 is further installed in the clamping groove 11, a clamping piece 6 is arranged at the top end of the elastic part 5, and meanwhile, a blocking part 22 matched with the clamping piece 6 in structure is correspondingly arranged on the stop block 2 in a matched mode. When the safety pin is installed on the box door, the safety pin stop block 2 rotates around the rotating shaft 3, the clamping piece 6 and the stop part 22 of the stop block 2 are clamped under the elastic action of the elastic component 5, the self-locking of the stop block is realized, the stop block is guaranteed not to be automatically opened, the box door can be opened or closed through the position of the rotating stop block 2, the operation is simple and convenient, an external tool is not needed, and the opening and closing of the box door can be rapidly completed. The safety pin has the characteristics of door anti-falling, simple structure, reliable function and the like.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. A shear pin, comprising:
the upper end surface of the pin body is provided with a clamping groove;
the stop block is clamped in the clamping groove and provided with a rotating hole along the length extending direction;
the rotating shaft is arranged on the pin body and penetrates through the side surface of the pin body in a front-back mode through the clamping groove and the rotating hole, and the stop block is rotatably arranged on the pin body through the rotating hole in a winding mode.
2. The shear pin of claim 1, wherein the pivot holes are configured as strip-shaped holes having semicircular structures at both ends.
3. The safety pin according to claim 2, wherein one side corner of the stopper rotating around the rotating shaft to the clamping groove is provided with a rounded corner, and the circle center of the corresponding side semicircular structure of the rotating hole is taken as the circle center of the rounded corner.
4. The safety pin according to any one of claims 1 to 3, wherein an elastic part is further installed in the clamping groove, and a clamping piece is arranged at the top end of the elastic part;
and a blocking part matched with the clamping piece in structure is correspondingly matched and arranged on the stop block.
5. The shear pin of claim 4, wherein the resilient member is a spring.
6. A shear pin according to claim 5, wherein the retainer is configured to retain a round ball.
7. A shear pin according to claim 6, wherein the blocking portion is provided as a groove structure matching the gripping sphere structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120757497.7U CN214576377U (en) | 2021-04-14 | 2021-04-14 | Safety pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120757497.7U CN214576377U (en) | 2021-04-14 | 2021-04-14 | Safety pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214576377U true CN214576377U (en) | 2021-11-02 |
Family
ID=78325941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120757497.7U Active CN214576377U (en) | 2021-04-14 | 2021-04-14 | Safety pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214576377U (en) |
-
2021
- 2021-04-14 CN CN202120757497.7U patent/CN214576377U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |