CN215980568U - Anti-falling clamp spring and brake pad with same - Google Patents

Anti-falling clamp spring and brake pad with same Download PDF

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Publication number
CN215980568U
CN215980568U CN202121505847.7U CN202121505847U CN215980568U CN 215980568 U CN215980568 U CN 215980568U CN 202121505847 U CN202121505847 U CN 202121505847U CN 215980568 U CN215980568 U CN 215980568U
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China
Prior art keywords
connecting portion
opening
sleeve part
spring according
clamping sleeve
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CN202121505847.7U
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Chinese (zh)
Inventor
魏东彬
赵旭
程景琳
周键
曹静武
丁向莹
张振威
龙波
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Beijing Tianyishangjia New Material Co Ltd
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Beijing Tianyishangjia New Material Co Ltd
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Priority to CN202121505847.7U priority Critical patent/CN215980568U/en
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Abstract

The utility model provides an anti-drop snap spring and a brake pad with the same, belonging to the technical field of brake pads and comprising: the clamping sleeve part is provided with an elastically retractable accommodating cavity and is provided with a first opening and a second opening which are oppositely arranged; the ring sleeve part is connected to the first opening and is annularly arranged on the outer side of the clamping sleeve part; and the locking part is connected to the second opening and is suitable for plugging the second opening. The ring sleeve part is used for extending into the groove of the back plate, and the groove limits the expansion degree of the ring sleeve part and further limits the opening degree of the first opening of the clamping sleeve part; the locking portion is used for plugging the second opening of the clamping sleeve portion, and the phenomenon that the opening of the second opening is too large and further the friction block falls off due to elasticity weakening or failure of the clamping sleeve portion is avoided.

Description

Anti-falling clamp spring and brake pad with same
Technical Field
The utility model relates to the technical field of brake pads, in particular to an anti-falling clamp spring and a brake pad with the same.
Background
With the continuous development of the high-speed railway in China, people have more and more requirements on the trip of high-speed trains, so that higher requirements on the braking safety performance of the high-speed train are met. At present, the parking brake in the running process of a high-speed train is realized by converting kinetic energy into heat energy and consuming the heat energy by means of friction between a brake pad and a brake disc.
The high-speed train brake pad mainly comprises parts such as a friction block, a supporting pad, a back plate and a clamp spring, wherein the friction block clamps a connecting groove part of the friction block through the expansion force of the clamp spring, and the friction block is installed and fixed on the back plate, so that the friction block and the back plate form the structure of the whole brake pad.
In the prior practical operation, the friction block is frequently subjected to the vibration impact action of braking friction force and thermal load for a long time, so that the elastic force of the clamp spring is easily weakened or failed, the friction block falls off, and the operation safety of a high-speed train is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem of overcoming the defect that the friction block falls off due to the fact that the elastic force of the clamp spring is weakened or fails in the prior art, and provides the anti-falling clamp spring and the brake pad with the same.
In order to solve the technical problem, the anti-drop snap spring provided by the utility model comprises:
the clamping sleeve part is provided with an elastically retractable accommodating cavity and is provided with a first opening and a second opening which are oppositely arranged;
the ring sleeve part is connected to the first opening and is annularly arranged on the outer side of the clamping sleeve part;
and the locking part is connected to the second opening and is suitable for plugging the second opening.
Preferably, the locking portion is a first connecting portion and a second connecting portion which are oppositely arranged, the second opening is located between the first connecting portion and the second connecting portion, and the first connecting portion and the second connecting portion are suitable for being reversely hung.
Preferably, the first connecting portion and the second connecting portion are disposed at an acute angle.
Preferably, the first connecting portion and the second connecting portion are hooks, the first connecting portion and the second connecting portion are arranged in a mirror symmetry manner, and the first connecting portion and the second connecting portion are suitable for being hooked with each other.
Preferably, the open ends of the first connecting portion and the second connecting portion are both arranged towards the bayonet portion.
Preferably, the radian of the opening ends of the first connecting part and the second connecting part is not more than pi/2.
Preferably, the first connecting portion is a closed ring, the second connecting portion is a hook, and the second connecting portion is suitable for being hung on the first connecting portion.
Preferably, the first connecting portion is a closed ring, the second connecting portion is an expansion ball, the diameter of the second connecting portion is larger than the caliber of the first connecting portion, and the second connecting portion is suitable for penetrating into the first connecting portion.
Preferably, the locking portion is integrally formed on the collar portion.
A brake lining is provided with the anti-falling clamp spring in any one of the schemes.
The technical scheme of the utility model has the following advantages:
1. according to the anti-falling snap spring, the ring sleeve part is used for extending into the groove of the back plate, and the groove limits the expansion degree of the ring sleeve part, so that the opening degree of the first opening of the snap sleeve part is limited; the locking portion is used for plugging the second opening of the clamping sleeve portion, and the phenomenon that the opening of the second opening is too large and further the friction block falls off due to elasticity weakening or failure of the clamping sleeve portion is avoided.
2. According to the anti-falling snap spring provided by the utility model, the first connecting part and the second connecting part are reversely connected in a hanging manner, so that the two end parts of the second opening are extruded and closed, the size of the accommodating cavity of the snap sleeve part is reduced as much as possible, and the snap sleeve part is more firmly sleeved with the friction block.
3. According to the anti-falling clamp spring, the first connecting part and the second connecting part are provided with the included angle, so that the first connecting part and the second connecting part can be conveniently pushed and separated through the included angle, and the situation that the first connecting part and the second connecting part are subjected to irreversible deformation due to pulling is avoided; the included angle is an acute angle, so that the first connecting part and the second connecting part are closer to each other, and the hanging operation is convenient.
4. According to the anti-falling clamp spring provided by the utility model, the first connecting part and the second connecting part are hooks, and the opening ends of the hooks are arranged towards the clamping sleeve part; therefore, the opening end of the hook is small, so that the hook is more firmly hooked, and the hook is prevented from being separated due to external factors.
5. According to the anti-falling snap spring provided by the utility model, the locking part is integrally formed on the sleeve clamping part, so that the connection strength between the locking part and the sleeve clamping part is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of the anti-slip snap spring provided in the present invention.
Fig. 2 is a using state diagram of the anti-dropping clamp spring.
Fig. 3 is a schematic structural view of the anti-slip clamp spring in the first alternative embodiment.
Fig. 4 is a schematic structural view of an anti-slip clamp spring in a second alternative embodiment.
Fig. 5 is a schematic structural view of the brake pad.
Description of reference numerals:
1. a card sleeve part; 2. a loop portion; 3. a first connection portion; 4. a second connecting portion; 5. a first transition section; 6. a second transition section; 7. a friction body; 8. a friction seat; 9. positioning pins; 10. a support pad; 11. a back plate; 12. and a clamp spring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
This implementation provides an anticreep jump ring includes: the clamping sleeve part 1, the ring sleeve part 2 and the locking part.
As shown in fig. 1 and 2, the sleeve portion 1, the ring portion 2 and the locking portion are all formed on the same spring steel. The clamping sleeve portion 1 and the ring sleeve portion 2 are both of an annular structure formed by bending, the ring sleeve portion 2 is annularly arranged on the outer side of the clamping sleeve portion 1, and two first transition sections 5 which are parallel to each other and are tightly attached to each other are arranged between the clamping sleeve portion 1 and the ring sleeve portion 2. The collar portion 1 has a resiliently retractable receiving cavity, a first opening for connection with the collar portion 2, and a second opening for connection with the locking portion, the first opening being disposed opposite the second opening. The locking part comprises a first connecting part 3 and a second connecting part 4 which are arranged in a mirror symmetry mode, and the first connecting part 3 and the second connecting part 4 are hooks; the hook is an arc hook, and the included angle between the two arc hooks is 45 degrees; the first connecting part 3 and the second connecting part 4 are respectively connected to two end parts of the second opening through second transition sections 6, and the two second transition sections 6 are mutually parallel and closely attached; the open ends of the first connecting part 3 and the second connecting part 4 are both arranged towards the clamping sleeve part 1, and the radian of the open ends is not more than pi/2; the first connecting portion 3 and the second connecting portion 4 are connected in a back-to-back hanging mode through the opening ends, and the second opening is blocked.
As an alternative embodiment, as shown in fig. 3, the first connecting portion 3 is a closed ring, the second connecting portion 4 is a hook, and the second connecting portion 4 is hung in the closed ring through an open end in a back direction.
As shown in fig. 4, as another alternative embodiment, the first connection portion 3 is a closed ring, the second connection portion 4 is an expansion ball, the diameter of the second connection portion 4 is larger than the caliber of the first connection portion 3, the second connection portion 4 extends into the first connection portion 3 after being contracted by an external force, and after the second connection portion 4 passes through the first connection portion 3, the second connection portion expands by its own elasticity, so as to realize the hooking with the first connection portion 3.
Example 2
As shown in fig. 5, the brake pad provided in this embodiment includes: a friction block, a support pad 10, a back plate 11 and a clamp spring 12 described in embodiment 1. The friction block includes: a friction body 7, a friction seat 8 and a positioning pin 9; the friction seat 8 is connected to one side of the friction body 7 facing the back plate 11, an installation groove is formed in the middle of one side of the friction seat 8 facing the friction body 7, and a through hole communicated with the installation groove is formed in the middle of the friction seat 8. And one end of the positioning pin 9 extends into the mounting groove through the through hole and is abutted to the friction body 7, and the other end of the positioning pin 9 is provided with an annular clamping groove. The back plate 11 has a first groove facing the friction seat 8 and a second groove facing away from the friction seat 8; the supporting pad 10 is sleeved in the first groove, one end of the supporting pad is abutted to the friction seat 8, and the other end of the supporting pad is abutted to the back plate 11; the ring sleeve part 2 of the clamp spring is sleeved in the second groove, and the second groove limits the expansion degree of the ring sleeve part 2 and further limits the opening and closing degree of the first opening of the clamp sleeve part 1; the clamping sleeve portion 1 of the clamp spring is sleeved on the annular clamping groove of the positioning pin 9, and the first connecting portion 3 and the second connecting portion 4 of the locking portion are connected in an articulated mode, so that the second opening of the clamping sleeve portion 1 is blocked.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims (10)

1. The utility model provides an anticreep jump ring which characterized in that includes:
the clamping sleeve part (1) is provided with an elastically retractable accommodating cavity, and the clamping sleeve part (1) is provided with a first opening and a second opening which are oppositely arranged;
the ring sleeve part (2) is connected to the first opening and is annularly arranged on the outer side of the clamping sleeve part (1);
and the locking part is connected to the second opening and is suitable for plugging the second opening.
2. The anti-slip clamp spring according to claim 1, wherein the locking portion is a first connecting portion (3) and a second connecting portion (4) which are oppositely arranged, the second opening is located between the first connecting portion (3) and the second connecting portion (4), and the first connecting portion (3) and the second connecting portion (4) are suitable for being reversely hooked.
3. The anti-slip clamp spring according to claim 2, wherein the first connecting portion (3) and the second connecting portion (4) are arranged at an acute angle.
4. The anti-drop clamp spring according to claim 2, wherein the first connecting portion (3) and the second connecting portion (4) are hooks, the first connecting portion (3) and the second connecting portion (4) are arranged in a mirror symmetry manner, and the first connecting portion (3) and the second connecting portion (4) are suitable for being hooked with each other.
5. The anti-release snap spring according to claim 4, wherein the open ends of the first connecting portion (3) and the second connecting portion (4) are both arranged towards the snap sleeve portion (1).
6. The anti-drop snap spring according to claim 5, wherein the radian of the open ends of the first connecting part (3) and the second connecting part (4) is not more than pi/2.
7. The anti-drop snap spring according to claim 2, wherein the first connecting portion (3) is a closed loop, the second connecting portion (4) is a hook, and the second connecting portion (4) is adapted to be hung on the first connecting portion (3).
8. The anti-drop snap spring according to claim 2, wherein the first connecting portion (3) is a closed ring, the second connecting portion (4) is an expansion ball, the diameter of the second connecting portion (4) is larger than the caliber of the first connecting portion (3), and the second connecting portion (4) is adapted to penetrate into the first connecting portion (3).
9. The anti-release snap spring according to any one of claims 1 to 8, characterized in that the locking portion is integrally formed on the collar portion (1).
10. A brake lining having the anti-slip clamp spring of any one of claims 1-9.
CN202121505847.7U 2021-07-02 2021-07-02 Anti-falling clamp spring and brake pad with same Active CN215980568U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121505847.7U CN215980568U (en) 2021-07-02 2021-07-02 Anti-falling clamp spring and brake pad with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121505847.7U CN215980568U (en) 2021-07-02 2021-07-02 Anti-falling clamp spring and brake pad with same

Publications (1)

Publication Number Publication Date
CN215980568U true CN215980568U (en) 2022-03-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121505847.7U Active CN215980568U (en) 2021-07-02 2021-07-02 Anti-falling clamp spring and brake pad with same

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CN (1) CN215980568U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658780A (en) * 2022-03-23 2022-06-24 北京浦然轨道交通科技股份有限公司 Jump ring anti-tripping and train brake pad

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658780A (en) * 2022-03-23 2022-06-24 北京浦然轨道交通科技股份有限公司 Jump ring anti-tripping and train brake pad

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