Composite belleville spring set

Abstract

The utility model discloses a composite belleville spring set and relates to the technical field of belleville springs, the composite belleville spring set comprises a supporting table, a bottom plate is arranged at the upper end of the supporting table, the bottom plate is movably connected with the supporting table, a threaded hole is formed in the surface of the bottom plate, the threaded hole is fixedly connected with the bottom plate, and a lower connecting plate is arranged on the surface of the bottom plate. The lower connecting plate is fixedly connected with the bottom plate, a lower base plate is installed on the surface of the lower connecting plate, the lower base plate is connected with the lower connecting plate in a clamped mode, an upper base plate is connected to the surface of the lower base plate, the upper base plate is connected with the lower base plate in a clamped mode, and a lower positioning cylinder is arranged on the surface of the bottom plate; according to the scheme, the problems that an existing device is prone to dislocation, a limiting and fixing structure is not arranged, height differences exist among belleville springs, installation is uneven, early failure is caused, and normal use of equipment is seriously affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of disc springs, in particular to a composite disc spring group. Background Technique

[0002] During the operation of mechanical equipment, disc springs are widely used to exert a frictional effect on various bolts. A disc spring, also known as a Belleville spring washer, is in the shape of a conical disc. It can be used individually or in series or parallel combinations. It bears static or dynamic loads acting axially at the upper inner edge and lower outer edge, and is deformed until it is flattened after being compressed to store energy in the form of live load.

[0003] Such as the disc spring with the publication number CN211231378U. The device includes being arranged at the exhaust valve of the turbocharger. The disc spring is sleeved outside the valve shaft of the exhaust valve, and the disc spring is in contact with the shaft sleeve of the valve shaft, including a first contact part, a connecting part and a second contact part; the first contact part is sleeved outside the valve shaft, and the first contact part is in contact with the shaft sleeve of the valve shaft; the cross-section of the connecting part is arc-shaped, and one end of the connecting part is connected to the first contact part; the second contact part is arranged parallel to the first contact part, and the second contact part is connected to the other end of the connecting part.

[0004] During the use of the above device, dislocation is likely to occur. There is no limit fixing structure, there is a height difference between the disc springs, and the installation is uneven, resulting in early failure, seriously affecting the normal use of the equipment. Therefore, we propose a composite disc spring group to solve the problems raised above. Content of the Utility Model

[0005] The purpose of the utility model is to provide a composite disc spring group to solve the problems in the above background technique that the existing device is prone to dislocation, there is no limit fixing structure, there is a height difference between the disc springs, the installation is uneven, resulting in early failure, and seriously affecting the normal use of the equipment.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a composite disc spring group, a support table, the upper end of the support table is provided with a bottom plate, and the bottom plate is movably connected to the support table. Threaded holes are formed on the surface of the bottom plate, and the threaded holes are fixedly connected to the bottom plate.

[0007] It further includes:

[0008] The lower connecting plate is arranged on the surface of the bottom plate, and the lower connecting plate is fixedly connected to the bottom plate. The lower chassis is installed on the surface of the lower connecting plate, and the lower chassis is snap-connected to the lower connecting plate. The upper chassis is connected to the surface of the lower chassis, and the upper chassis is snap-connected to the lower chassis. The lower positioning cylinder is arranged on the surface of the bottom plate, and the lower positioning cylinder is fixedly connected to the bottom plate. The upper positioning cylinder is arranged at the upper end of the lower positioning cylinder, and the upper positioning cylinder is movably connected to the lower positioning cylinder. The top plate is arranged at the upper end of the upper positioning cylinder, and the top plate is fixedly connected to the upper positioning cylinder. The positioning column is connected to the lower surface of the top plate, and the positioning column is fixedly connected to the top plate. Guide rods are arranged on both sides of the positioning column, and the guide rods are fixedly connected to the positioning column. There are two groups of guide rods, and the guide rods and the positioning column penetrate through the upper chassis, the lower chassis and are snap-connected to the lower connecting plate.

[0009] Preferably, bolts are installed on the surface of the bottom plate, and the bolts are threadedly connected to the threaded holes. There are multiple bolts.

[0010] Preferably, through holes are formed on the surfaces of both the upper chassis and the lower chassis, and the through holes are fixedly connected to the upper chassis and the lower chassis. The guide rods and the positioning column penetrate through the through holes to the lower connecting plate.

[0011] Preferably, an upper connecting plate is arranged on the lower surface of the top plate, and the upper connecting plate is fixedly connected to the top plate.

[0012] Preferably, an anti-slip component is arranged between the upper chassis and the lower chassis.

[0013] Preferably, the anti-slip component includes a first groove, and the first groove is fixedly connected to the upper chassis. A first connecting block is arranged on the surface of the lower chassis, and the first connecting block is fixedly connected to the lower chassis. The first groove and the first connecting block can be fitted and connected.

[0014] Preferably, a second groove is formed on the surface of the upper chassis, and the second groove is fixedly connected to the upper chassis. A second connecting block is arranged on the surface of the lower chassis, and the second connecting block is fixedly connected to the lower chassis. The second connecting block and the second groove can be fitted and connected.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. Through the mutual cooperation of the through holes, the positioning column and the guide rods provided in the present utility model, the positioning column and the guide rods can penetrate through the through holes to the lower connecting plate. The guide rods of the guide tube and the through holes of the disc spring are used for positioning, which is not only convenient for installation but also safe and firm in use. By providing the lower positioning cylinder and the upper positioning cylinder, the disc spring can be fixed and positioned, preventing it from shifting or tilting during the deformation process.

[0017] 2. Through a specially designed anti-slip component, the anti-slip performance of the disc spring can be increased, enabling it to be stably connected and ensuring that it will not slip off. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional view of the overall structure of the present utility model;

[0019] Figure 2 It is a front view of the internal structure of the present utility model;

[0020] Figure 3 It is a structural diagram of the positioning column of the present utility model;

[0021] Figure 4 It is a structural diagram of the anti-slip component of the present utility model;

[0022] In the figure: 1, support platform; 2, bottom plate; 3, threaded hole; 4, bolt; 5, lower positioning cylinder; 6, upper positioning cylinder; 7, top plate; 8, upper chassis; 9, lower chassis; 10, through hole; 11, positioning column; 12, upper connecting plate; 13, lower connecting plate; 14, guide rod; 15, anti-slip component; 16, first groove; 17, first connecting block; 18, second connecting block; 19, second groove. SPECIFIC EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a composite disc spring group, a support platform 1, a bottom plate 2 is arranged at the upper end of the support platform 1, and the bottom plate 2 is movably connected to the support platform 1. Threaded holes 3 are formed on the surface of the bottom plate 2, and the threaded holes 3 are fixedly connected to the bottom plate 2.

[0025] It further includes:

[0026] The lower connecting plate 13 is arranged on the surface of the bottom plate 2, and the lower connecting plate 13 is fixedly connected to the bottom plate 2. The lower chassis 9 is installed on the surface of the lower connecting plate 13, and the lower chassis 9 is snap-connected to the lower connecting plate 13. The upper chassis 8 is connected to the surface of the lower chassis 9, and the upper chassis 8 is snap-connected to the lower chassis 9. The lower positioning cylinder 5 is arranged on the surface of the bottom plate 2, and the lower positioning cylinder 5 is fixedly connected to the bottom plate 2. The upper positioning cylinder 6 is arranged at the upper end of the lower positioning cylinder 5, and the upper positioning cylinder 6 is movably connected to the lower positioning cylinder 5. The top plate 7 is arranged at the upper end of the upper positioning cylinder 6, and the top plate 7 is fixedly connected to the upper positioning cylinder 6. The positioning column 11 is connected to the lower surface of the top plate 7, and the positioning column 11 is fixedly connected to the top plate 7. Guide rods 14 are arranged on both sides of the positioning column 11, and the guide rods 14 are fixedly connected to the positioning column 11. There are two groups of guide rods 14, and the guide rods 14 and the positioning column 11 pass through the upper chassis 8, the lower chassis 9 and are snap-connected to the lower connecting plate 13.

[0027] Please refer to FIG. 1. Bolts 4 are installed on the surface of the bottom plate 2, and the bolts 4 are threadedly connected to the threaded holes 3. There are multiple bolts 4. In the case of using this product, the bolts 4 and the threaded holes 3 cooperate with each other to fix the bottom plate 2.

[0028] Please refer to Figure 2 , through holes 10 are formed on the surfaces of both the upper chassis 8 and the lower chassis 9, and the through holes 10 are fixedly connected to the upper chassis 8 and the lower chassis 9. The guide rods 14 and the positioning column 11 pass through the through holes 10 to the lower connecting plate 13. In the case of using this product, the through holes 10 enable the guide rods 14 and the positioning column 11 to pass through.

[0029] Please refer to Figure 2 , the upper connecting plate 12 is arranged on the lower surface of the top plate 7, and the upper connecting plate 12 is fixedly connected to the top plate 7. In the case of using this product, the upper connecting plate 12 can prevent there from being an empty area between the spring and the upper positioning cylinder 6.

[0030] Please refer to Figure 2 , an anti-slip component 15 is arranged between the upper chassis 8 and the lower chassis 9. In the case of using this product, the anti-slip component 15 can increase the anti-slip performance of the disc spring.

[0031] Please refer to Figure 4 , the anti-slip component 15 includes a first groove 16, and the first groove 16 is fixedly connected to the upper chassis 8. The first connecting block 17 is arranged on the surface of the lower chassis 9, and the first connecting block 17 is fixedly connected to the lower chassis 9. The first groove 16 and the first connecting block 17 can be snap-connected. In the case of using this product, the first groove 16 and the first connecting block 17 can be snap-fitted with each other to increase the stability of the disc spring.

[0032] Please refer to Figure 4, a second groove 19 is formed on the surface of the upper chassis 8, and the second groove 19 is fixedly connected to the upper chassis 8. A second connecting block 18 is arranged on the surface of the lower chassis 9, and the second connecting block 18 is fixedly connected to the lower chassis 9. The second connecting block 18 and the second groove 19 can be fitted and connected. When the product is in use, the second connecting block 18 and the second groove 19 can be fitted with each other to increase the anti-slip performance.

[0033] Working principle: When in use, first thread the bolt 4 into the threaded hole 3, so that the bottom plate 2 is connected to the support platform 1. Then place the lower chassis 9 into the inner part of the lower positioning cylinder 5, so that the lower chassis 9 is snap-fitted with the lower connecting plate 13 arranged on the surface of the bottom plate 2. Then place the upper chassis 8 on the surface of the lower chassis 9, so that the second connecting block 18 is fitted with the second groove 19, and at the same time the first connecting block 17 is fitted with the first groove 16. Then apply a force to the top plate 7, and place the top plate 7 and the upper positioning cylinder 6 connected thereto above the lower positioning cylinder 5. Furthermore, the positioning column 11 connected to the lower surface of the top plate 7 and the guide rod 14 penetrate through the through holes 10 on the surfaces of the upper chassis 8 and the lower chassis 9 and are snap-fitted to complete the installation.

[0034] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A composite disc spring assembly, comprising a support platform (1), a bottom plate (2) being arranged at the upper end of the support platform (1), the bottom plate (2) being movably connected to the support platform (1), a threaded hole (3) being provided on the surface of the bottom plate (2), and the threaded hole (3) being fixedly connected to the bottom plate (2); Features: Also includes: A lower connecting plate (13) is arranged on the surface of the bottom plate (2), and the lower connecting plate (13) is fixedly connected to the bottom plate (2); a lower chassis (9) is installed on the surface of the lower connecting plate (13), and the lower chassis (9) is snap-connected to the lower connecting plate (13); an upper chassis (8) is connected to the surface of the lower chassis (9), and the upper chassis (8) is snap-connected to the lower chassis (9); a lower positioning tube (5) is arranged on the surface of the bottom plate (2), and the lower positioning tube (5) is fixedly connected to the bottom plate (2); an upper positioning tube (6) is arranged at the upper end of the lower positioning tube (5), and the upper positioning tube (6) is movably connected to the lower positioning cylinder (5); a top plate (7) is provided at the upper end of the upper positioning cylinder (6), and the top plate (7) is fixedly connected to the upper positioning cylinder (6); a positioning column (11) is connected to the lower surface of the top plate (7), and the positioning column (11) is fixedly connected to the top plate (7); guide rods (14) are provided on both sides of the positioning column (11), and the guide rods (14) are fixedly connected to the positioning column (11); two groups of guide rods (14) are provided, and the guide rods (14) and the positioning column (11) penetrate the upper chassis (8) and the lower chassis (9) and are snap-connected with the lower connecting plate (13).

2. A composite disc spring assembly according to claim 1, characterized in that: Bolts (4) are installed on the surface of the base plate (2), and the bolts (4) are threadedly connected to the threaded holes (3), and a plurality of the bolts (4) are provided.

3. The composite disc spring assembly according to claim 1, characterized in that: The surfaces of the upper chassis (8) and the lower chassis (9) are both provided with through holes (10), and the through holes (10) are fixedly connected to the upper chassis (8) and the lower chassis (9), and the guide rods (14) and the positioning columns (11) pass through the through holes (10) to the lower connecting plate (13).

4. The composite disc spring assembly according to claim 1, characterized in that: An upper connecting plate (12) is provided on the lower surface of the top plate (7), and the upper connecting plate (12) is fixedly connected to the top plate (7).

5. The composite disc spring assembly according to claim 1, characterized in that: An anti-skid component (15) is provided between the upper chassis (8) and the lower chassis (9).

6. A composite disc spring assembly according to claim 5, characterized in that: The anti-slip assembly (15) comprises a first groove (16), and the first groove (16) is fixedly connected to the upper chassis (8); a first connecting block (17) is provided on the surface of the lower chassis (9), and the first connecting block (17) is fixedly connected to the lower chassis (9); the first groove (16) and the first connecting block (17) can be engaged and connected.

7. The composite disc spring assembly according to claim 1, characterized in that: A second groove (19) is provided on the surface of the upper chassis (8), and the second groove (19) is fixedly connected to the upper chassis (8); a second connection block (18) is provided on the surface of the lower chassis (9), and the second connection block (18) is fixedly connected to the lower chassis (9); the second connection block (18) and the second groove (19) can be engaged and connected.

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