Safety ring with anti-back function
By designing a safety ring with anti-reverse function, the problems of difficulty in identifying the forward and reverse directions of the elastic pin and the springback of the pin ring are solved, thus achieving stable installation of the pin shaft and improving the accuracy of construction and the product qualification rate.
Patent Information
- Application Number
- CN202520355051.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-03-03
AI Technical Summary
The existing elastic pins of the monorail hoist rail accessories in mines have problems such as difficulty in identifying the forward and reverse engagement and the pin ring rebounding under force, which leads to construction chaos and difficulty in acceptance, and cannot effectively prevent the pin shaft from self-removing.
A safety ring with anti-retraction function is designed, which includes a combination structure of a first shaft cap, a first pin, a safety ring, a washer ring, a second pin, an annular sleeve pin, and binding wire. The pin is securely installed by threaded connection and binding wire fastening to prevent self-retraction.
It improves the recognizability of the safety ring, avoids installation confusion, enhances the stability of the pin, prevents the springback of the pin ring body, and improves the accuracy of construction and the product qualification rate.
Smart Images
Figure CN223578499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical engineering tool technical field especially, relates to a safe ring with prevent function of retreating. BACKGROUND
[0002] When assembling the track accessories (shaking plate, "8" ring, reed) of the mine monorail, the shaking plate, "8" ring and reed are connected with the track through the pin shaft (one end of which is provided with a shaft cap and the other end of which is provided with a reserved eye), in order to prevent the pin shaft from retreating, a safety ring needs to be inserted into the pin shaft eye, and currently, the main elastic sleeve pin used for preventing the pin shaft from retreating is matched with the track accessories of the mine monorail, in the actual application process, the elastic sleeve pin of this type can be buckled in both directions (the correct installation mode is forward buckling, and when buckling in the reverse direction, the sleeve pin ring body is prone to rebound under stress, leading to the self-retreat of the elastic sleeve pin), and the construction personnel often mix up and it is difficult to detect during acceptance. Meanwhile, even if the elastic sleeve pin is in the state of forward buckling, when the pin shaft is self-retreated due to vibration and the elastic sleeve pin is in contact with the track middle plate under stress, the sleeve pin ring body will rebound due to stress, in order to solve the problems of identification of the forward and reverse buckling of the elastic sleeve pin and the rebound of the sleeve pin ring body under stress, the present application adopts the mode of making fluorescent marks on the forward buckling surface of the elastic sleeve pin, installing a gasket on the contact surface of the elastic sleeve pin and the track, and cross-bundling the elastic sleeve pin ring body and the pin body by using a binding wire, but the mode has the limitations of increased investment and inability to fundamentally solve the problem of the rebound of the sleeve pin ring body under stress, therefore, the above problems need to be solved and treated. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at solving the shortcomings in the prior art and provides a safety ring with a retreat prevention function.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a safety ring with a retreat prevention function, comprising a first shaft cap, a first pin shaft is threadedly connected to the front end of the first shaft cap, a first eye is formed through the front end of the first pin shaft, a safety ring is inserted into the first eye, and a gasket is sleeved with the rear end of the first pin shaft.
[0005] Preferably, the safety ring comprises a second pin shaft inserted into the first eye, a second shaft cap is threadedly connected to one end of the second pin shaft, and a second eye is formed through the second shaft cap.
[0006] Preferably, a first annular sleeve pin is inserted into the second eye, the first annular sleeve pin is triangular, and a first elastic sleeve pin is fixedly connected to the upper end of the first annular sleeve pin.
[0007] Preferably, the other end of the second pin shaft is provided with a second annular sleeve pin, the second annular sleeve pin is triangular, and the second annular sleeve pin is sleeved outside the second pin shaft, and the upper end of the second annular sleeve pin is fixedly connected with a second elastic sleeve pin.
[0008] Preferably, the upper end of the first elastic sleeve pin is fixedly connected with an elastic ring body, the elastic ring body is circular arc-shaped, and the other end of the elastic ring body is fixedly connected with the top end of the second elastic sleeve pin.
[0009] Preferably, the upper end of the second elastic sleeve pin is connected with a binding wire, the binding wire is narrow at the upper end and wide at the lower end, and the lower end of the binding wire is provided with an arc surface.
[0010] Compared with the prior art, the beneficial effects of the utility model are that: the utility model through the replacement new type safety ring, the problem of unclear identification of the original safety ring is solved, and then the confusion caused by acceptance and installation is avoided, and the product qualification rate is improved; through the cooperation of the elastic ring body, the binding wire, the first annular sleeve pin and the second annular sleeve pin, the pin shaft is locked and the first elastic sleeve pin is prevented from separating, and then the pin shaft is prevented from retracting, and the precision during work is improved; finally, the limitations of unclear identification of the original safety ring and the problem of elastic rebound of the sleeve ring body are solved. BRIEF DESCRIPTION OF DRAWINGS
[0011] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application. The illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:
[0012] Figure 1 It is a whole three-dimensional structure schematic view of the device proposed by the utility model;
[0013] Figure 2 It is a structure schematic view of the new type safety ring proposed by the utility model;
[0014] Figure 3 It is a whole structure side view of the new type safety ring proposed by the utility model;
[0015] Figure 4 It is a whole structure side view of the new type safety ring proposed by the utility model;
[0016] Figure 5 It is a structure schematic view of the binding wire proposed by the utility model.
[0017] The numbers in the drawing are: 1, first shaft cap; 2, first pin shaft; 3, spacer ring; 4, second shaft cap; 5, second pin shaft; 6, first annular sleeve pin; 7, first elastic sleeve pin; 8, second annular sleeve pin; 9, second elastic sleeve pin; 10, elastic ring body; 11, binding wire. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0019] Embodiment: refer to Figures 1-5 The utility model discloses a safe ring with prevent function, including first axle cap 1, through first axle cap 1, it is convenient to install first pin shaft 2, first axle cap 1 front end thread connection has first pin shaft 2, through first pin shaft 2, it is convenient to install safe ring and pad ring 3, first pin shaft 2 front end through the first eyelet, the safe ring is inserted in the first eyelet, through the safe ring, can avoid first pin shaft 2 when working retreat, and first pin shaft 2 rear end sleeve joint has pad ring 3, through pad ring 3, it is convenient to play the role of buffering, the safe ring includes the second pin shaft 5 of inserting in the first eyelet, through the second pin shaft 5, it is convenient to install safe ring, second pin shaft 5 one end thread connection has second axle cap 4, through second axle cap 4, it is convenient to cooperate second pin shaft 5, and it is convenient to install first annular sleeve pin 6, second axle cap 4 through the second eyelet, the first annular sleeve pin 6 is inserted in the second eyelet, through the first annular sleeve pin 6, it is convenient to cooperate and install first elastic sleeve pin 7, first annular sleeve pin 6 is triangular, and first annular sleeve pin 6 upper end is fixedly connected with first elastic sleeve pin 7, through first elastic sleeve pin 7, it is convenient to cooperate and install elastic ring body 10, second pin shaft 5 other end is equipped with second annular sleeve pin 8, through second annular sleeve pin 8, it is convenient to cooperate and install second elastic sleeve pin 9.
[0020] In the utility model, second annular sleeve pin 8 is triangular, and second annular sleeve pin 8 is sleeved on the outside of second pin shaft 5, second annular sleeve pin 8 upper end is fixedly connected with second elastic sleeve pin 9, through second elastic sleeve pin 9, it is convenient to cooperate and install elastic ring body 10, first elastic sleeve pin 7 upper end is fixedly connected with elastic ring body 10, through elastic ring body 10, it is convenient to cooperate second elastic sleeve pin 9, elastic ring body 10 is arc, and elastic ring body 10 other end is fixedly connected with the top end of second elastic sleeve pin 9, second elastic sleeve pin 9 upper end is connected with silk binding 11, through silk binding 11, avoid safe ring disintegration, silk binding 11 is narrow on the top and wide on the bottom, and the lower end of silk binding 11 is provided with arc surface.
[0021] Working principle: in the utility model for use, first rotate first pin shaft 2 and first axle cap 1 carry out thread connection, subsequently pad ring 3 is sleeved on first pin shaft 2, second pin shaft 5 is thread connected with second axle cap 4, second pin shaft 5 is inserted into the first hole of first pin shaft 2, subsequently first annular sleeve pin 6 is installed into second axle cap 4, second annular sleeve pin 8 is sleeved on the other end of second pin shaft 5, finally through silk binding 11, second elastic sleeve pin 9 is fastened, by this time, novel safe ring is installed, when pin shaft is self-retreating due to vibration, and then make elastic sleeve pin and track middle plate contact stress, pad ring 3 and silk binding 11 can control safe ring to avoid retreat.
[0022] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A safety ring with anti-retraction function, comprising a first axle cap (1), characterized in that: The first shaft cap (1) is threaded to the front end of a first pin (2), the front end of the first pin (2) is provided with a first hole, a safety ring is inserted into the first hole, and a washer (3) is sleeved on the rear end of the first pin (2).
2. A safety ring with anti-retraction function according to claim 1, characterized in that: The safety ring includes a second pin (5) inserted into a first hole, one end of which is threaded with a second cap (4), and the second cap (4) has a second hole through it.
3. A safety ring with anti-retraction function according to claim 2, characterized in that: A first annular pin (6) is inserted into the second hole. The first annular pin (6) is triangular, and a first elastic pin (7) is fixed to the upper end of the first annular pin (6).
4. A safety ring with anti-retraction function according to claim 2, characterized in that: The other end of the second pin (5) is provided with a second annular pin (8). The second annular pin (8) is triangular and is sleeved on the outside of the second pin (5). The upper end of the second annular pin (8) is fixed with a second elastic pin (9).
5. A safety ring with anti-retraction function according to claim 3, characterized in that: An elastic ring (10) is fixedly connected to the upper end of the first elastic pin (7). The elastic ring (10) is arc-shaped, and the other end of the elastic ring (10) is fixedly connected to the top end of the second elastic pin (9).
6. A safety ring with anti-retraction function according to claim 4, characterized in that: The upper end of the second elastic pin (9) is connected to a binding wire (11), which is narrow at the top and wide at the bottom, and the lower end of the binding wire (11) has an arc-shaped surface.