Buffer damping type combined disc spring

Abstract

The utility model relates to a buffering and damping type combined disc spring which is provided with a first disc spring and a second disc spring, an upper connecting ring is arranged at the upper end of the first disc spring, an upper extending part is arranged at the lower end of the first disc spring, a lower connecting ring is arranged at the lower end of the second disc spring, and a lower extending part is arranged at the upper end of the second disc spring. A damping device is arranged between the first disc spring and the second disc spring which are oppositely arranged, the damping device comprises a first connecting ring and a second connecting ring, a first ring groove is formed in the second connecting ring, a first ring block is arranged in the first ring groove, an outer ring groove is formed in the outer wall of the first connecting ring, and a plurality of first connecting grooves are formed in the groove bottom of the outer ring groove; the extending direction of the first connecting groove is parallel to the extending direction of the outer ring groove, the first disc spring and the second disc spring are in buffer connection through cooperation of the first connecting ring and the first ring groove, abutting and pressing of the first sliding blocks on the first ring block and abutting and pressing of the second sliding blocks on the second ring block, and the first disc spring and the second disc spring are fixed through locking pieces. The device is ingenious in structure, convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of combined disc spring, especially to the buffer shock absorbing type combined disc spring. BACKGROUND

[0002] The disc spring is also named Belleville spring washer, the shape of the disc spring is conical disc, is different from traditional spring, has its special function on function, main features are, big load, short stroke, required space is small, combination use is convenient, maintenance and replacement are easy, and economic safety is high.

[0003] In the prior art, each disc spring will gradually deform due to stress in the use process, and the service life of the disc spring is greatly reduced, so a combined disc spring capable of improving the shock absorption and force distribution of the disc spring needs to be developed. SUMMARY

[0004] The utility model discloses a buffer shock absorbing type combined disc spring, which is ingenious in structure, can fully and efficiently shock absorb and buffer the pressure borne by the first disc spring and the second disc spring, thereby improving the service life of the first disc spring and the second disc spring, and is convenient and practical.

[0005] The technical scheme for realizing the purpose of the utility model is: the utility model has first disc spring and second disc spring which are oppositely arranged, the upper end of the first disc spring is provided with an upper connecting ring which is coaxially arranged with the first disc spring, the lower end of the first disc spring is provided with an upper extension part which is coaxially arranged with the first disc spring, the lower end of the second disc spring is provided with a lower connecting ring which is coaxially arranged with the second disc spring, and the upper end of the second disc spring is provided with a lower extension part which is coaxially arranged with the second disc spring; a damping device which can buffer and damp the first disc spring and the second disc spring is arranged between the oppositely arranged first disc spring and second disc spring, the damping device comprises a first connecting ring which is integrally formed with the first disc spring and a second connecting ring which is integrally formed with the second disc spring, the first connecting ring is coaxially arranged with the first disc spring, the second connecting ring is coaxially arranged with the second disc spring, and the first connecting ring and the second connecting ring are coaxially arranged, a first ring groove in which the first connecting ring can be inserted is arranged on the second connecting ring, the first ring groove is coaxially arranged with the second connecting ring, a first ring block which is coaxially arranged with the first ring groove is arranged in the first ring groove, an outer ring groove in which the first ring block can slide up and down is arranged on the outer wall of the first connecting ring, a groove bottom of the outer ring groove is provided with a plurality of first connecting grooves which are communicated with the outer ring groove, the extension direction of the first connecting groove is parallel to the extension direction of the outer ring groove, a first connecting rod is slidably arranged in each first connecting groove, a first sliding block which is slidably arranged in the outer ring groove is fixedly arranged on the first connecting rod, a first reset spring is sleeved on the first connecting rod, and the two ends of the first reset spring are fixedly connected with the first connecting rod and the first connecting groove, a second ring block is arranged on the inner wall of the first connecting ring, an inner ring groove in which the second ring block can slide up and down is arranged on the inner wall of the first ring groove and coaxially arranged with the first ring groove, a groove bottom of the inner ring groove is provided with a plurality of second connecting grooves which are communicated with the inner ring groove, the extension direction of the second connecting groove is parallel to the extension direction of the inner ring groove, a second connecting rod is slidably arranged in each second connecting groove, a second sliding block which is slidably arranged in the inner ring groove is fixedly arranged on the second connecting rod, a second reset spring is sleeved on the second connecting rod, and the two ends of the second reset spring are fixedly connected with the second connecting groove and the second connecting rod, the first disc spring and the second disc spring are connected in a buffering mode through the cooperation of the first connecting ring and the first ring groove, the pressing of the first ring block by each first sliding block, and the pressing of the second ring block by each second sliding block, and are fixed through a locking piece.

[0006] Furthermore, the bottom of the upper extension part is provided with a bottom connecting ring which is coaxially arranged with the upper extension part, the upper end of the lower extension part is provided with a top ring groove which is adapted to the bottom connecting ring, and the first disc spring and the second disc spring are connected in a positioning mode through the cooperation of the bottom connecting ring and the top ring groove, and are fixed through a locking piece.

[0007] Furthermore, a plurality of plastic inner rings are fixedly provided on the inner wall of the bottom connecting ring and are evenly distributed on the inner wall of the bottom connecting ring along the axis of the bottom connecting ring; a plurality of plastic outer rings are fixedly provided on the outer wall of the bottom connecting ring and are evenly distributed on the outer wall of the bottom connecting ring along the axis of the bottom connecting ring; the plastic inner ring includes an integrally formed first connecting portion and a first extrusion portion; the plastic outer ring includes an integrally formed second connecting portion and a second extrusion portion; the cross-sections of the first extrusion portion and the second extrusion portion are both spherical; a first buckle groove is provided on the inner wall of the top ring groove and is adapted to the first extrusion portion; a second buckle groove is provided on the outer wall of the top ring groove and is adapted to the second extrusion portion; the bottom connecting ring is connected to the top ring groove by the cooperation of each first extrusion portion with the first buckle groove, and the cooperation of the second extrusion portion with the second buckle groove.

[0008] Furthermore, the upper extension part and the lower extension part are both provided with a plurality of through holes, and the through holes on the upper extension part and the lower extension part are connected. The upper extension part is provided with a connecting screw, and the connecting screw is equipped with a connecting nut. The connecting screw passes through the through holes on the upper extension part and the lower extension part in turn and is fixedly connected with the connecting nut. The upper extension part and the lower extension part are fixedly connected by the cooperation of each connecting screw and the connecting nut.

[0009] Furthermore, the upper end of the above-mentioned upper connecting ring is provided with a plurality of upper connecting blocks distributed circumferentially along the axis of the upper connecting ring, and the lower connecting ring is provided with a plurality of lower connecting grooves adapted to each upper connecting block, and the first disc spring is positioned and connected with the second disc spring through the plug-in fit of each upper connecting block on the upper connecting ring and each lower connecting groove on the adjacent lower connecting ring.

[0010] The present invention has positive effects: (1) The present invention provides a shock absorbing device between the first disc spring and the second disc spring, and the first disc spring and the second disc spring are connected for buffering by the cooperation of the first connecting ring and the first ring groove, the pressure of each first slider on the first ring block, and the pressure of each second slider on the second ring block, which effectively solves the problem of deformation of each disc spring in the combined disc spring in the prior art and reduced service life during use. Through the continuous application of the first return spring and the second return spring, the shock absorption and buffering of the first disc spring and the second disc spring during use can be effectively reduced, and the shock absorption effect between the first disc spring and the second disc spring is effectively guaranteed, thereby greatly improving the service life of the first disc spring and the second disc spring. The structure is ingenious and convenient and practical.

[0011] (2) The present invention ensures the coaxial and positioned connection of the first disc spring and the second disc spring by providing a bottom connecting ring and a top ring groove, which is convenient and practical.

[0012] (3) The present invention provides a shaping inner ring and a shaping outer ring on the inner wall and outer wall of the bottom connecting ring, and ensures the stability and sealing of the connection between the bottom connecting ring and the top ring groove through the cooperation between the shaping inner ring and the first buckle groove, and the cooperation between the shaping outer ring and the second buckle groove.

[0013] (4) The utility model provides a connecting screw on the upper extension part and the lower extension part, and ensures the firmness of the connection between the first disc spring and the second disc spring through the cooperation of the connecting screw and the connecting nut, which is convenient and practical.

[0014] (5) The utility model provides an upper connecting block on the upper connecting ring and a plurality of lower connecting grooves on the lower connecting ring. The adjacent first disc springs and second disc springs are positioned and connected through the cooperation of the upper connecting blocks and the upper connecting grooves, thereby ensuring the stability and accuracy of the connection between the first disc springs and the second disc springs, and being efficient and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings, wherein

[0016] Figure 1 This is a cross-sectional view of the overall structure of the buffer and shock-absorbing combined disc spring in the present utility model;

[0017] Figure 2 for Figure 1 Cross-sectional view at point A;

[0018] Figure 3 for Figure 1 Cross-sectional view at point B;

[0019] Figure 4 It is a cross-sectional view of the overall structure of the first disc spring in the present utility model;

[0020] Figure 5 for Figure 4 Cross-sectional view at point C in the middle;

[0021] Figure 6 It is a cross-sectional view of the overall structure of the second disc spring in the present invention;

[0022] Figure 7 for Figure 6 Cross-sectional view at point D in the middle. DETAILED DESCRIPTION

[0023] See Figures 1 to 7The utility model comprises a first disc spring 1 and a second disc spring 1 which are arranged relatively to each other, the upper end of the first disc spring 1 is provided with an upper connecting ring 11 which is coaxially arranged with the first disc spring 1, the lower end of the first disc spring 1 is provided with an upper extending portion 12 which is coaxially arranged with the first disc spring 1, the lower end of the second disc spring 1 is provided with a lower connecting ring 21 which is coaxially arranged with the second disc spring 1, and the upper end of the second disc spring 1 is provided with a lower extending portion 22 which is coaxially arranged with the second disc spring 1; a shock absorbing device which can buffer and reduce shock of the first disc spring 1 and the second disc spring 1 is provided between the relatively arranged first disc spring 1 and the second disc spring 1, the shock absorbing device comprises a first connecting ring 14 which is integrally formed with the first disc spring 1, and a second connecting ring 24 which is integrally formed with the second disc spring 1, the first disc spring 1 is provided with a lower connecting ring 21 which is coaxially arranged with the second disc spring 1, and the upper end of the second disc spring 1 is provided with a lower extending portion 22 which is coaxially arranged with the second disc spring 1; a shock absorbing device which can buffer and reduce shock of the first disc spring 1 and the second disc spring 1 is provided between the relatively arranged first disc spring 1 and the second disc spring 1 A connecting ring 14 is coaxially arranged with the first disc spring 1, and a second connecting ring 24 is coaxially arranged with the second disc spring 1. The first connecting ring 14 and the second connecting ring 24 are also coaxially arranged. The second connecting ring 24 is provided with a first ring groove 241 for the first connecting ring 14 to be inserted. The first ring groove 241 is coaxially arranged with the second connecting ring 24. A first ring block 242 coaxially arranged with the first ring groove 241 is provided in the first ring groove 241. An outer ring groove 15 for the first ring block 242 to be lifted and slid is provided on the outer wall of the first connecting ring 14. The bottom of the outer ring groove 15 is provided with a plurality of first connecting grooves 151 connected to the outer ring groove 15. The extension direction of the first connecting groove 151 is parallel to the extension direction of the outer ring groove 15 A first connecting rod 152 is slidably provided in each first connecting groove 151, and a first slider 154 is fixedly provided on the first connecting rod 152 and can be slidably provided in the outer ring groove 15, and a first return spring 153 is sleeved on the first connecting rod 152, and the two ends of the first return spring 153 are respectively fixedly connected to the first connecting rod 152 and the first connecting groove 151, and a second ring block 16 is provided on the inner wall of the first connecting ring 14, and an inner ring groove 243 is provided on the inner wall of the first ring groove 241, which is coaxial with the first ring groove 241 and can be used for the second ring block 16 to rise and fall and slide, and a plurality of second connecting grooves 244 are provided at the bottom of the inner ring groove 243, which are connected to the inner ring groove 243, and the second connecting groove 244 is connected to the inner ring groove 243. The extension direction of 44 is set parallel to the extension direction of the inner ring groove 243, and a second connecting rod 245 is slidably provided in each second connecting groove 244. A second slider 247 that can be slidably set in the inner ring groove 243 is fixed on the second connecting rod 245, and a second return spring 246 is sleeved on the second connecting rod 245. The two ends of the second return spring 246 are respectively fixedly connected to the second connecting groove 244 and the second connecting rod 245. The first disc spring 1 and the second disc spring 1 are buffered and connected through the cooperation of the first connecting ring 14 and the first ring groove 241, the pressure of each first slider 154 on the first ring block 242, and the pressure of each second slider 247 on the second ring block 16, and are fixed by a locking member.

[0024] The bottom of the upper extension part 12 is provided with a bottom connecting ring 15 coaxially arranged with the upper extension part 12, and the upper end of the lower extension part 22 is provided with a top ring groove 25 matched with the bottom connecting ring 15, the first disc spring 1 and the second disc spring 1 are positioned and connected through the cooperation of the bottom connecting ring 15 and the top ring groove 25, and are fixed through a locking member.

[0025] A plurality of plastic inner rings 16 are fixedly arranged on the inner wall of the bottom connecting ring 15 along the axis of the bottom connecting ring 15, and a plurality of plastic outer rings 17 are fixedly arranged on the outer wall of the bottom connecting ring 15 along the axis of the bottom connecting ring 15, the plastic inner ring 16 comprises a first connecting part 161 and a first extrusion part 162 integrally formed, the plastic outer ring 17 comprises a second connecting part 171 and a second extrusion part 172 integrally formed, the cross sections of the first extrusion part 162 and the second extrusion part 172 are spherical, the inner wall of the top ring groove 25 is provided with a first buckle groove 26 matched with the first extrusion part 162, and the outer wall of the top ring groove 25 is provided with a second buckle groove 27 matched with the second extrusion part 172, the bottom connecting ring 15 is connected with the top ring groove 25 through the cooperation of each first extrusion part 162 and the first buckle groove 26 and the cooperation of the second extrusion part 172 and the second buckle groove 27.

[0026] A plurality of through holes are arranged on the upper extension part 12 and the lower extension part 22, and the through holes on the upper extension part 12 and the lower extension part 22 are communicated, a connecting screw 3 is arranged on the upper extension part 12, a connecting nut 31 is matched with the connecting screw 3, the connecting screw 3 is fixedly connected with the connecting nut 31 after sequentially penetrating through the through holes on the upper extension part 12 and the lower extension part 22, and the upper extension part 12 and the lower extension part 22 are fixedly connected through the cooperation of each connecting screw 3 and the connecting nut 31.

[0027] A plurality of upper connecting blocks 13 are arranged on the upper end of the upper connecting ring 11 along the circumferential direction of the axis of the upper connecting ring 11, a plurality of lower connecting grooves 23 are arranged on the lower connecting ring 21 matched with each upper connecting block 13, and the first disc spring 1 is positioned and connected with the second disc spring 1 through the plug-in cooperation of each upper connecting block 13 on the upper connecting ring 11 and each lower connecting groove 23 on the adjacent lower connecting ring 21.

[0028] The utility model discloses a working principle: the utility model discloses in the process of using, the first disc spring 1 and second disc spring 1 are pasted, in the process of pasting, the cooperation of the bottom connecting ring 15 on upper extension 12 and the top ring groove 25 on lower extension 22 carries out coaxial positioning, and the bottom connecting ring 15 is connected with the top ring groove 25 through the cooperation of each first extrusion portion 162 and first buckle slot 26 and the cooperation of second extrusion portion 172 and second buckle slot 27, further guarantee the coaxiality and the sealing property of first disc spring 1 and second disc spring 1 connection, in the process of first disc spring 1 and second disc spring 1 connection, first connecting ring 14 and first ring groove 241 carry out the insertion joint cooperation, and in the process of insertion joint cooperation, first ring block 242 and outer ring grass carry out the lifting cooperation simultaneously, and first connecting rod 152 on first sliding block 154 is pressed to first ring block 242 through the continuous force of first reset spring 153, and second ring block 16 and inner ring groove 243 carry out the sliding cooperation simultaneously, and second connecting rod 245 on second sliding block 247 is pressed to second ring block 16 through the continuous force of second reset spring 246, through the mutual pressing of first sliding block 154 and second sliding block 247, effectively guarantee the stability of first disc spring 1 and second disc spring 1 connection, effectively solve the problem of deformation and reduce the service life in the prior art, through the continuous force of first reset spring 153 and second reset spring 246, effectively buffer and shock absorption the pressure between first disc spring 1 and second disc spring 1, and then greatly improve the shock absorption and buffering effect between first disc spring 1 and second disc spring 1, and improve the service life of first disc spring 1 and second disc spring 1, clever structure, efficient and practical.

[0029] The above-described specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the utility model, and it should be understood that the above-described specific embodiments are only for the specific embodiments of the utility model and are not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A buffer shock combined disc spring, comprising oppositely arranged first and second disc springs, wherein an upper end of the first disc spring is provided with an upper connecting ring coaxially arranged with the first disc spring, a lower end of the first disc spring is provided with an upper extension coaxially arranged with the first disc spring, a lower end of the second disc spring is provided with a lower connecting ring coaxially arranged with the second disc spring, and an upper end of the second disc spring is provided with a lower extension coaxially arranged with the second disc spring; characterized in that: The damping device is arranged between the first disc spring and the second disc spring and can buffer and damp the first disc spring and the second disc spring, the damping device comprises a first connecting ring which is integrally formed with the first disc spring and a second connecting ring which is integrally formed with the second disc spring, the first connecting ring is coaxially arranged with the first disc spring, the second connecting ring is coaxially arranged with the second disc spring, and the first connecting ring and the second connecting ring are coaxially arranged, the second connecting ring is provided with a first ring groove into which the first connecting ring is inserted, the first ring groove is coaxially arranged with the second connecting ring, the first ring groove is provided with a first ring block which is coaxially arranged with the first ring groove, an outer ring groove into which the first ring block is slidably arranged is arranged on the outer wall of the first connecting ring, the groove bottom of the outer ring groove is provided with a plurality of first connecting grooves which are in communication with the outer ring groove, the extension direction of the first connecting grooves is parallel to the extension direction of the outer ring groove, a first connecting rod is slidably arranged in each first connecting groove, a first sliding block which is slidably arranged in the outer ring groove is fixedly arranged on the first connecting rod, a first reset spring is sleeved on the first connecting rod, and the two ends of the first reset spring are fixedly connected with the first connecting rod and the first connecting groove, respectively, a second ring block is arranged on the inner wall of the first connecting ring, an inner ring groove into which the second ring block is slidably arranged is arranged on the inner wall of the first ring groove, the groove bottom of the inner ring groove is provided with a plurality of second connecting grooves which are in communication with the inner ring groove, the extension direction of the second connecting grooves is parallel to the extension direction of the inner ring groove, a second connecting rod is slidably arranged in each second connecting groove, a second sliding block which is slidably arranged in the inner ring groove is fixedly arranged on the second connecting rod, a second reset spring is sleeved on the second connecting rod, and the two ends of the second reset spring are fixedly connected with the second connecting groove and the second connecting rod, respectively, the first disc spring and the second disc spring are connected in a buffering mode through the cooperation of the first connecting ring and the first ring groove, the pressing of the first ring block by each first sliding block, and the pressing of the second ring block by each second sliding block, and are fixed through a locking piece.

2. The cushioned shock-absorbing combination disc spring according to claim 1, characterized in that: The bottom of the upper extension part is provided with a bottom connecting ring which is coaxially arranged with the upper extension part, the upper end of the lower extension part is provided with a top ring groove which is adapted to the bottom connecting ring, the first disc spring and the second disc spring are connected in a positioning mode through the cooperation of the bottom connecting ring and the top ring groove, and are fixed through a locking piece.

3. The cushioned shock-absorbing combination disc spring according to claim 2, characterized in that: A plurality of plastic inner rings which are uniformly distributed on the inner wall of the bottom connecting ring along the axis of the bottom connecting ring are fixedly arranged on the inner wall of the bottom connecting ring, a plurality of plastic outer rings which are uniformly distributed on the outer wall of the bottom connecting ring along the axis of the bottom connecting ring are fixedly arranged on the outer wall of the bottom connecting ring, the plastic inner ring comprises a first connecting part and a first extrusion part which are integrally formed, the plastic outer ring comprises a second connecting part and a second extrusion part which are integrally formed, the cross sections of the first extrusion part and the second extrusion part are spherical, the inner wall of the top ring groove is provided with a first buckle groove which is adapted to the first extrusion part, the outer wall of the top ring groove is provided with a second buckle groove which is adapted to the second extrusion part, and the bottom connecting ring is connected with the top ring groove through the cooperation of each first extrusion part and the first buckle groove and the cooperation of the second extrusion part and the second buckle groove.

4. The cushioned shock-absorbing combination disc spring according to claim 3, characterized in that: The upper and lower extension parts are provided with a plurality of through holes, and the through holes of the upper and lower extension parts are communicated, the upper extension part is provided with a connecting screw rod, the connecting screw rod is provided with a connecting nut, the connecting screw rod is fixedly connected with the connecting nut after sequentially penetrating through the through holes of the upper and lower extension parts, and the upper and lower extension parts are fixedly connected through cooperation of the connecting screw rods and the connecting nuts.

5. The cushioned shock-absorbing combination disc spring according to claim 4, characterized in that: The upper end of the upper connecting ring is provided with a plurality of upper connecting blocks which are distributed along the axis of the upper connecting ring, the lower connecting ring is provided with a plurality of lower connecting grooves which are matched with the upper connecting blocks, and the first disc spring is positioned and connected with the second disc spring through the plug-in cooperation of each upper connecting block on the upper connecting ring and each lower connecting groove on the adjacent lower connecting ring.

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