Fatigue-resistant belleville spring

Abstract

The utility model discloses an anti-fatigue belleville spring, which relates to the technical field of belleville springs and comprises a first disc, a second disc is mounted below the first disc in a contact manner, a plurality of groups of first elastic telescopic rods are fixedly mounted on the inner side of the lower end of the first disc, and circular blocks are fixedly mounted at the telescopic ends of the first elastic telescopic rods. And a plurality of second elastic telescopic rods are fixedly installed on the inner side of the upper end of the second disc, a matching ring is jointly and fixedly installed at the upper ends of the second elastic telescopic rods, and the matching ring and the circular block are installed in a matched mode. According to the utility model, the first disc and the second disc are placed together, so that the circular block enters the matching groove to complete integral positioning, and the spring and the elastic telescopic rod play a role in buffering between the first disc and the second disc, so that the elasticity is increased, irreversible deformation is prevented, the service life is prolonged, and the fatigue degree is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to disc spring technical field especially a kind of fatigue-resistant disc spring. BACKGROUND

[0002] The disc spring device disclosed in the patent with the publication number CN206874721U can improve its fatigue resistance and service life according to its process setting;

[0003] However, the above-mentioned patent can improve the service life by using its process advantages, but if the external force is too large, it will still produce irreversible deformation, thereby affecting its elasticity and reducing the service life, so that the fatigue resistance of the disc spring proposed in the above-mentioned patent is greatly reduced. SUMMARY

[0004] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a fatigue-resistant disc spring.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a fatigue-resistant disc spring, comprising a first disc, a second disc is installed in contact below the first disc, a plurality of groups of first elastic expansion rods are fixedly installed on the inner side of the lower end of the first disc, a circular block is fixedly installed on the expansion end of the first elastic expansion rod, a plurality of groups of second elastic expansion rods are fixedly installed on the inner side of the upper end of the second disc, a group of matching rings are fixedly installed on the upper end of the plurality of groups of second elastic expansion rods, and the matching ring and the circular block are installed in cooperation.

[0006] Further, a first matching part is arranged on the outer side of the first disc, a second matching part is arranged on the outer side of the second disc, and the second matching part and the first matching part are installed in cooperation and contact.

[0007] Further, a first spring is arranged on the outer side of the first elastic expansion rod, the lower end of the first spring is fixedly installed on the circular block, and the end of the first spring is fixedly connected to the lower end of the first disc.

[0008] Further, a second spring is arranged on the outer side of the second elastic expansion rod, the lower end of the first spring is fixedly installed on the matching ring, and the end of the second spring is fixedly connected to the lower end of the second disc.

[0009] Further, a matching groove is arranged on the inner side of the matching ring, and the matching groove and the plurality of groups of circular blocks are installed in cooperation.

[0010] The utility model discloses beneficial effect is: through with the first disc and the second disc are placed together, make the round block enter cooperation groove and complete the overall positioning, through the spring and the elastic telescopic link between the first disc and the second disc play a buffering effect, increase elasticity, prevent producing irreversible deformation, increase life, improve fatigue degree. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model is further explained below in combination with the drawings and examples.

[0012] Figure 1 It is the front view of the utility model;

[0013] Figure 2 It is the plan view of the cooperation ring of the utility model;

[0014] Figure 3 It is the bottom view of the first disc of the utility model.

[0015] In the drawing: 1. first disc, 11. first cooperation part, 2. second disc, 21. second cooperation part, 3. first elastic telescopic link, 4. first spring, 5. second elastic telescopic link, 6. second spring, 7. round block, 8. cooperation ring, 81. cooperation groove. DETAILED DESCRIPTION

[0016] In order to more clearly explain the technical scheme of the utility model, the utility model is further explained below in combination with the drawings, and obviously, the drawings described below are only one embodiment of the utility model, and for ordinary skilled person in the art, according to this drawing and example, other embodiments are obtained, and all belong to the protection scope of the utility model without paying creative labor.

[0017] As Figure 1 Shown, the utility model includes first disc 1, and the lower contact installation of first disc 1 has second disc 2, and the outside of first disc 1 is provided with first cooperation part 11, and the outside of second disc 2 is provided with second cooperation part 21, and second cooperation part 21 and first cooperation part 11 cooperation contact installation.

[0018] As Figures 1 to 3As shown, the lower end of the first disc 1 is fixedly installed with a plurality of groups of first elastic telescopic rods 3, the telescopic end of the first elastic telescopic rod 3 is fixedly installed with a circular block 7, the outer side of the first elastic telescopic rod 3 is provided with a first spring 4, the lower end of the first spring 4 is fixedly installed on the circular block 7, and the end of the first spring 4 is fixedly connected to the lower end of the first disc 1; the upper end of the second disc 2 is fixedly installed with a plurality of groups of second elastic telescopic rods 5, the upper end of the plurality of groups of second elastic telescopic rods 5 is fixedly installed with a group of matching rings 8, the outer side of the second elastic telescopic rod 5 is provided with a second spring 6, the lower end of the first spring 4 is fixedly installed on the matching ring 8, and the end of the second spring 6 is fixedly connected to the lower end of the second disc 2; the inner side of the matching ring 8 is provided with a matching groove 81, the matching groove 81 is matched and installed with a plurality of groups of circular blocks 7, the spring and the elastic telescopic rod play a buffering role between the first disc 1 and the second disc 2, increase elasticity, prevent irreversible deformation, increase service life, and improve fatigue degree.

[0019] In use, the first disc 1 and the second disc 2 are placed together, the circular block 7 enters the matching groove 81 to complete overall positioning, the spring and the elastic telescopic rod play a buffering role between the first disc 1 and the second disc 2, increase elasticity, prevent irreversible deformation, increase service life, and improve fatigue degree.

[0020] The above examples are only exemplary embodiments of the utility model and are not used to limit the utility model, and the protection scope of the utility model is defined by the claims, and those skilled in the art can make various modifications or equivalent replacements to the utility model within the utility model's essence and protection scope, and the modification or equivalent replacement should also be regarded as falling within the protection scope of the utility model.

Claims

1. A fatigue resistant disc spring comprising a first disc (1), characterized in that: The lower side of the first disc (1) is in contact with the second disc (2), the inner side of the lower end of the first disc (1) is fixedly installed with several groups of first elastic telescopic rods (3), the telescopic end of the first elastic telescopic rod (3) is fixedly installed with a circular block (7), the inner side of the upper end of the second disc (2) is fixedly installed with several groups of second elastic telescopic rods (5), the upper end of several groups of the second elastic telescopic rod (5) is fixedly installed with a group of matching rings (8), and the matching ring (8) is matched with the circular block (7) for installation.

2. The fatigue-resistant disc spring according to claim 1, characterized in that The outer side of the first disc (1) is provided with a first matching part (11), the outer side of the second disc (2) is provided with a second matching part (21), and the second matching part (21) is matched with the first matching part (11) for contact installation.

3. A fatigue-resistant disc spring according to claim 2, characterized in that The outer side of the first elastic telescopic rod (3) is provided with a first spring (4), the lower end of the first spring (4) is fixedly installed on the circular block (7), and the end of the first spring (4) is fixedly connected to the lower end of the first disc (1).

4. The fatigue-resistant disc spring according to claim 3, characterized in that The outer side of the second elastic telescopic rod (5) is provided with a second spring (6), the lower end of the first spring (4) is fixedly installed on the matching ring (8), and the end of the second spring (6) is fixedly connected to the lower end of the second disc (2).

5. A fatigue-resistant disc spring according to claim 4, characterized in that The inner side of the matching ring (8) is provided with a matching groove (81), and the matching groove (81) is matched with several groups of circular blocks (7) for installation.

Images