Quick connection type combined disc spring
By introducing a locking device into the combined disc spring and utilizing the cooperation of the locking rod, lock tongue and lock plate, the problem of disc spring offset is solved, stable connection and coaxiality between the disc springs are achieved, and the convenience of quick installation and disassembly is ensured.
Patent Information
- Application Number
- CN202423096076.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The existing combined disc springs lack stable connections between the disc springs during use, which easily leads to deviation and affects the use effect.
The first and second disc springs are arranged opposite to each other, and a stable connection is achieved through a locking device, including the cooperation of a locking rod, a locking tongue, a locking plate and a return spring to ensure the coaxiality and stability between the disc springs.
It effectively solves the disc spring offset problem, ensures the stability and coaxiality of the disc spring connection, and realizes rapid installation and disassembly. It has a clever structure and strong practicality.
Smart Images
Figure CN223374978U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of combined disc springs, in particular to a quick-connect combined disc spring. Background Art
[0002] Disc springs, also known as Belleville spring washers, feature a conical disc shape. Unlike traditional springs, they offer unique functions. Key features include high load capacity, short stroke, minimal space requirements, ease of assembly and use, easy maintenance and replacement, and high economical safety. They are suitable for precision heavy machinery operating in tight spaces and with high loads. Their optimal compression range is between 10% and 75% of their maximum stroke.
[0003] Before the existing combined disc springs are used, they need to be combined and connected. During the combination and connection process, the individual disc springs in the combined disc springs are connected to each other by overlapping and pressing against each other. However, the disc springs are not connected to each other. Therefore, the disc springs are easily offset during use, thereby affecting the overall use effect of the disc spring, which is very inconvenient. Summary of the Invention
[0004] The purpose of the utility model is to provide a quick-connect combined disc spring with an ingenious structure, which can achieve a stable and firm connection between the disc springs and is convenient and practical.
[0005] The technical solution for achieving the purpose of the utility model is: the utility model has a first disc spring and a second disc spring arranged relatively to each other, the upper end of each first disc spring is provided with a first connecting portion coaxially arranged with the first disc spring, the lower end of the first disc spring is provided with a first extending portion coaxially arranged with the first disc spring, the lower end of the second disc spring is provided with a second connecting portion coaxially arranged with the second disc spring, and the upper end of the second disc spring is provided with a second extending portion coaxially arranged with the second disc spring; a plurality of locking devices that can lock the first disc spring and the second disc spring are provided between the first extension portion and the second extension portion, and the locking device includes a locking rod slidably arranged on the first extension portion, a plurality of locking tongues arranged on the locking rod, and a locking device that is slidably arranged on the first extension portion. The locking member is a pair of lock members, each of which is adapted to engage a first end of a locking member and engage with a second end of a locking member to engage with the first end of the locking member. The lock plate is provided with a pressing surface that can press against the limit plate, the lock rod is provided with a plurality of horizontal slide grooves distributed along the axis circumference of the lock rod, the lock tongue is slidably arranged in the corresponding horizontal slide groove, each horizontal slide groove is provided with a first return spring, and the two ends of the first return spring are respectively fixed in the lock tongue and the horizontal slide groove, the lock rod is provided with a lifting slider, and the bottom of the lifting slide groove is provided with a plurality of limiting slide grooves, the extension direction of the limiting slide groove is arranged parallel to the extension direction of the lifting slide groove, and a limiting slide rod is slidably provided in each limiting slide groove, and a second return spring is sleeved on the limiting slide rod, and the two ends of the second return spring are respectively engaged with the limiting slide rod and the bottom of the limiting slide groove. The lock plate is fixedly connected, and the upper end of each limit slide bar is fixedly provided with an upper push block, and the locking rod is connected by the sliding connection of each lock tongue and the horizontal slide groove, the continuous force of the first return spring on the lock tongue, the rotation connection of the lock plate and the locking shaft, the continuous force of the torsion spring on the lock plate, and the pressure of the lock plate and the limit plate against the lock plate and flip over the lock plate, and each lock plate is reset by the continuous force of the torsion spring, and the upper push block is pressed against the bottom surface of the lifting slider through the sliding cooperation of the limit slide bar and the limit slide groove, and the continuous force of the second return spring, and the lock tongue is pressed against the bottom surface of the lock plate through the cooperation of the upper push block and the lifting slider, and the first disc spring and the second disc spring are fixedly connected by the cooperation of each lock tongue and the lock plate.
[0006] Furthermore, each lock tongue is provided with a first guide bevel, and each lock plate is provided with a second guide bevel corresponding to each first guide bevel. Each lock tongue presses down the lock plate and flips over the lock plate through the continuous force of the first return spring and the cooperation of the first guide bevel and the second guide bevel.
[0007] Furthermore, a horizontal pressing surface is provided on the upper end of each locking plate, and each locking plate is pressed against the bottom surface of the limiting plate through the horizontal pressing surface after the former is rotated and reset.
[0008] Furthermore, the groove width of each lifting slide is greater than the width of the lifting slider, and a sliding arc groove is provided on the side wall of each lifting slide, and each sliding arc groove is coaxially arranged with the first slide groove. An arc pressure rod is slidably provided in each sliding arc groove, and a third return spring is sleeved on each arc pressure rod. The two ends of the third return spring are respectively fixedly connected to the arc pressure rod and the sliding arc groove, and each arc pressure rod presses the lifting slider through the sliding connection with the sliding arc groove and the continuous force of the third return spring.
[0009] Furthermore, the first connecting part is provided with a connecting slot, which is coaxially arranged with the first connecting part, and the second connecting part is provided with a connecting plug adapted to the connecting slot, which is coaxially arranged with the second connecting part.
[0010] Furthermore, a connecting screw hole is provided on the side wall of the above-mentioned connecting slot, the axis of the connecting screw hole is arranged perpendicular to the extension direction of the connecting slot, a connecting screw is provided in the connecting screw hole, and a connecting hole connected to the connecting screw hole is provided on the outer wall of the connecting plug. The second disc spring is fixedly connected to the adjacent first disc spring through the cooperation between the connecting plug and the connecting slot, the threaded cooperation between the connecting screw and the connecting screw hole, and the cooperation between the connecting screw and the connecting hole.
[0011] The present invention has positive effects: (1) The present invention sets a locking device, wherein the locking rod is connected to the horizontal slide groove through the sliding connection of each lock tongue, the first return spring continuously applies force to the lock tongue, the lock plate is connected to the locking shaft, the torsion spring continuously applies force to the lock plate, and the lock plate and the limit plate are pressed against the lock plate and flipped over the lock plate. The lock tongue is pressed against the bottom surface of the lock plate through the cooperation of the push block and the lifting slider. The first disc spring and the second disc spring are fixedly connected through the cooperation of each lock tongue and the lock plate, which effectively solves the problem of the disc spring being offset due to the lack of connection between the disc springs in the prior art. The cooperation between the lock tongue and the lock plate effectively ensures the stability and coaxiality of the connection between the first disc spring and the second disc spring. The structure is ingenious, stable and practical.
[0012] (2) The present invention provides a first guiding bevel on the lock tongue and a second guiding bevel on the lock plate. The cooperation of the first guiding bevel and the second guiding bevel can ensure that each lock tongue can smoothly turn over the lock plate, which is convenient and practical.
[0013] (3) The present invention provides a horizontal pressure surface on the lock plate, and the cooperation between the horizontal pressure surface and the limit plate effectively ensures the stability and firmness of the pressure between the lock plate and the lock tongue.
[0014] (4) The utility model sets the width of the lifting slide groove to be larger than the width of the lifting slider, sets a sliding arc groove on the lifting slide groove, and sets an arc pressure rod in the sliding arc groove. The arc pressure rod applies pressure to the side pressure plate through the continuous force of the third return spring, thereby pressing the side pressure plate against the lifting slider. On the one hand, it can ensure that the lock tongue and the lock plate are pressed against each other. On the other hand, after the lock rod rotates, it can ensure that the lock tongue and the lock plate are misaligned, thereby ensuring the separation of the first disc spring and the second disc spring. It is convenient and practical.
[0015] (5) The present invention ensures the coaxial connection between the first disc spring and the second disc spring by cooperating with the connecting slot and the connecting plug, thereby ensuring the coaxiality of the connection between the first disc spring and the second disc spring, which is efficient and practical.
[0016] (6) The present invention provides a connecting screw hole on the connecting slot, and a connecting screw is provided in the connecting screw hole. The second disc spring is connected to the adjacent first disc spring through the cooperation between the connecting screw and the connecting screw hole, and the cooperation between the connecting screw and the connecting hole, thereby ensuring the stability and firmness of the connection between the adjacent first disc spring and the second disc spring. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to make the content of the present invention easier to understand, the present invention is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings, wherein
[0018] Figure 1 This is a cross-sectional view of the overall structure of the quick-connect combined disc spring in the utility model;
[0019] Figure 2 for Figure 1 A magnified image of the middle figure;
[0020] Figure 3 for Figure 1 The enlarged image of the middle B;
[0021] Figure 4 It is a cross-sectional view of the connection structure of the first extension part and the second extension part in the present invention;
[0022] Figure 5 This is a schematic diagram of the connection structure of the lock rod in the utility model;
[0023] Figure 6 It is a cross-sectional view of the overall structure of the lock slot in the present utility model;
[0024] Figure 7 It is a cross-sectional view of the overall structure of the locking assembly in the present utility model;
[0025] Figure 8 This is a cross-sectional view of the connection structure between the limiting sliding rod and the upper push block in the utility model;
[0026] Figure 9 It is a cross-sectional view of the connection structure between the sliding arc groove and the arc-shaped pressure rod in the utility model. DETAILED DESCRIPTION
[0027] See Figures 1 to 9The utility model has a first disc spring 1 and a second disc spring 2 arranged opposite to each other, the upper end of each first disc spring 1 is provided with a first connecting portion 11 coaxially arranged with the first disc spring 1, the lower end of the first disc spring 1 is provided with a first extending portion 12 coaxially arranged with the first disc spring 1, the lower end of the second disc spring 2 is provided with a second connecting portion 21 coaxially arranged with the second disc spring 2, and the upper end of the second disc spring 2 is provided with a second extending portion 22 coaxially arranged with the second disc spring 2;A plurality of locking devices 3 for locking the first disc spring 1 and the second disc spring 2 are provided between the first extension portion 12 and the second extension portion 22. The locking device 3 includes a locking rod 31 slidably arranged on the first extension portion 12, a plurality of locking tongues 32 arranged on the locking rod 31, and a locking component corresponding to each locking tongue 32 and capable of pressing and locking the locking tongue 32. The first extension portion 12 is provided with a first sliding groove 121 for sliding the locking rod 31, and a lifting sliding groove 122 communicating with the first sliding groove 121 is provided on the inner wall of the first sliding groove 121. The second extension portion 22 is provided with a locking groove 221 corresponding to the first sliding groove 121. The locking component includes a locking seat 224 fixed on the inner wall of the locking groove 221, a locking seat 224 fixed on the locking seat The locking shaft 225 on the lock plate 224, the locking plate 222 rotatably connected to the locking shaft 225, a locking hole 226 provided on the locking plate 222 and for the locking shaft 225 to pass through, a torsion spring 227 provided in the locking hole 226 and sleeved on the locking shaft 225, and a limiting plate 223 for limiting the rotation of the locking plate 222, the two ends of the torsion spring 227 are respectively fixedly connected to the locking hole 226 and the locking shaft 225, and the locking plate 222 is provided with a pressing surface 229 for pressing the limiting plate 223, the locking rod 31 is provided with a plurality of horizontal sliding grooves 311 distributed along the axis of the locking rod 31, the locking tongue 32 is slidably provided in the corresponding horizontal sliding grooves 311, and each horizontal sliding groove 311 is provided with a first The cam 32 is fixed to the locking cam 32 and the horizontal slot 311, and the locking rod 31 is provided with a lifting slide block 33. The bottom of the lifting slot 122 is provided with a plurality of limiting slots 123. The extending direction of the limiting slot 123 is parallel to the extending direction of the lifting slot 122. A limiting slide bar 124 is slidably provided in each limiting slot 123. A second reset spring 125 is sleeved on the limiting slide bar 124. The two ends of the second reset spring 125 are fixedly connected to the limiting slide bar 124 and the bottom of the limiting slide bar 123, respectively. The upper end of each limiting slide bar 124 is fixedly provided with an upward push block 126. The locking rod 31 is connected to the sliding of the horizontal slot 311 through each lock tongue 32. Then, the first return spring 312 continuously applies force to the lock tongue 32, the lock plate 222 is rotationally connected to the locking shaft 225, the torsion spring 227 continuously applies force to the lock plate 222, and the lock plate 222 and the limit plate 223 press against the lock plate 222 and turn over the lock plate 222. Each lock plate 222 is reset by the continuous force of the torsion spring 227. The upper push block 126 is pressed against the bottom surface of the lifting slider 33 through the sliding cooperation between the limit slide bar 124 and the limit slide groove 123, and the second return spring 125 continuously applies force. The lock tongue 32 is pressed against the bottom surface of the lock plate 222 through the cooperation between the upper push block 126 and the lifting slider 33. The first disc spring 1 and the second disc spring 2 are fixedly connected by the cooperation between each lock tongue 32 and the lock plate 222.
[0028] Each lock tongue 32 is provided with a first guide slope 321, and each lock plate 222 is provided with a second guide slope 228 corresponding to each first guide slope 321. Each lock tongue 32 presses down the lock plate 222 and flips over the lock plate 222 through the continuous force of the first return spring 312 and the cooperation of the first guide slope 321 and the second guide slope 228.
[0029] A horizontal pressing surface 229 is provided at the upper end of each locking plate 222 . After the locking plate 222 is rotated and reset, the horizontal pressing surface 229 presses against the bottom surface of the limiting plate 223 .
[0030] The width of each lifting slot 122 is greater than the width of the lifting slider 33. A sliding arc groove 127 is provided on the side wall of each lifting slot 122. Each sliding arc groove 127 is coaxially arranged with the first slot 121. An arc pressure rod 128 is slidably provided in each sliding arc groove 127. A third return spring 129 is sleeved on each arc pressure rod 128. The two ends of the third return spring 129 are fixedly connected to the arc pressure rod 128 and the sliding arc groove 127 respectively. A side pressure plate 4 is slidably provided in the sliding arc groove 127. Each arc pressure rod 128 is fixed on the side pressure plate 4. Each side pressure plate 4 presses the driving lifting slider 33 of the arc pressure rod 128 through the sliding connection with the sliding arc groove 127 and the continuous application of the third return spring 129.
[0031] The first connecting portion 11 is provided with a connecting slot 13 , which is coaxially arranged with the first connecting portion 11 . The second connecting portion 21 is provided with a connecting plug 23 adapted to the connecting slot 13 , which is coaxially arranged with the second connecting portion 21 .
[0032] A connecting screw hole 14 is provided on the side wall of the connecting slot 13, and the axis of the connecting screw hole 14 is arranged perpendicular to the extension direction of the connecting slot 13. A connecting screw 15 is provided in the connecting screw hole 14, and a connecting hole 231 connected to the connecting screw hole 14 is provided on the outer wall of the connecting plug 23. The second disc spring 2 is fixedly connected to the adjacent first disc spring 1 through the cooperation between the connecting plug 23 and the connecting slot 13, the threaded cooperation between the connecting screw 15 and the connecting screw hole 14, and the cooperation between the connecting screw 15 and the connecting hole 231.
[0033] The working principle of the present invention is as follows: during the use of the present invention, the user can fit the first extension portion 12 on the first disc spring 1 with the second extension portion 22 on the second disc spring 2, and then press the lock rod 31. During the pressing process of the lock rod 31, the lock rod 31 is connected to the horizontal slide groove 311 through the sliding connection between each lock tongue 32, the continuous force applied by the first return spring 312 to the lock tongue 32, the rotation connection between the lock plate 222 and the locking shaft 225, and the torsion spring 227 on the lock plate 222. The lock plate 222 is pressed against the bottom surface of the lifting slider 33 by the continuous application of force of the torsion spring 227, and the lock plate 222 and the limit plate 223 are pressed against the lock plate 222 and turned over the lock plate 222. The lock plates 222 are reset by the continuous application of force of the torsion spring 227. The upper push block 126 is pressed against the bottom surface of the lifting slider 33 by the sliding cooperation of the limit slide bar 124 and the limit slide groove 123, and the continuous application of force of the second return spring 125. The lock tongue 32 is pressed against the bottom surface of the lock plate 222 by the cooperation of the upper push block 126 and the lifting slider 33. The first disc spring 1 and the second disc spring 2 The locking tongues 32 are fixedly connected with the lock plates 222 by cooperation, and the lifting slider 33 is slidably connected in the lifting slide groove 122. The upper push blocks 126 press the lifting slider 33 by cooperation with the limiting slide rod 124 and the limiting slide groove 123, and the cooperation with the second return spring 125, thereby ensuring the stability of the pressure between the locking tongue 32 and the lock plate 222. In the process of unlocking, the operator can rotate the locking rod 31, and the locking rod 31 drives the arc pressure rod 128 and the third return spring 125. The spring 129 drives the arc pressure rod 128 to drive the side pressure plate 4, thereby driving the side pressure plate 4 to press the lifting slider 33, and driving the lifting slider 33 to rotate, thereby driving the lock tongue 32 to disengage from the lock plate 222. After the lock rod 31 is lifted, the first disc spring 1 and the second disc spring 2 are disengaged, which not only ensures the stability and firmness of the connection between the first disc spring 1 and the second disc spring 2, but also ensures the quick installation and quick disassembly between the first disc spring 1 and the second disc spring 2. The structure is ingenious and efficient and convenient.
[0034] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A quick-connect combination disc spring, comprising a first disc spring and a second disc spring disposed opposite each other, wherein the upper end of each first disc spring is provided with a first connecting portion coaxially disposed with the first disc spring, the lower end of the first disc spring is provided with a first extending portion coaxially disposed with the first disc spring, the lower end of the second disc spring is provided with a second connecting portion coaxially disposed with the second disc spring, and the upper end of the second disc spring is provided with a second extending portion coaxially disposed with the second disc spring; characterized in that: A plurality of locking devices that can lock the first disc spring and the second disc spring are provided between the first extension portion and the second extension portion, and the locking device includes a locking rod slidably arranged on the first extension portion, a plurality of locking tongues arranged on the locking rod, and a locking assembly corresponding to each locking tongue and capable of pressing and locking the locking tongue; the first extension portion is provided with a first sliding groove for the locking rod to slide, the inner wall of the first sliding groove is provided with a lifting sliding groove connected to the first sliding groove, the second extension portion is provided with a locking groove corresponding to the first sliding groove, and the locking assembly includes a locking groove fixed on the inner wall of the locking groove The lock plate is provided with a locking seat on the lock plate, a locking shaft fixed on the locking seat, a locking plate rotatably connected to the locking shaft, a locking hole provided on the lock plate and for the locking shaft to pass through, a torsion spring provided in the lock hole and sleeved on the locking shaft, and a limit plate for limiting the rotation of the lock plate, the two ends of the torsion spring are respectively fixedly connected to the lock hole and the locking shaft, the lock plate is provided with a pressing surface that can press the limit plate, the lock rod is provided with a plurality of horizontal sliding grooves distributed along the circumference of the axis of the lock rod, the lock tongue is slidably arranged in the corresponding horizontal sliding groove, and each horizontal sliding groove is A first return spring is provided, and the two ends of the first return spring are respectively fixed in the lock tongue and the horizontal slide groove, the lock rod is provided with a lifting slide block, and the bottom of the lifting slide groove is provided with a plurality of limit slide grooves, the extension direction of the limit slide groove is arranged parallel to the extension direction of the lifting slide groove, and a limit slide rod is slidably provided in each limit slide groove, and a second return spring is sleeved on the limit slide rod, and the two ends of the second return spring are respectively fixedly connected to the limit slide rod and the bottom of the limit slide groove, and the upper end of each limit slide rod is fixed with an upward push block, and the lock rod is connected to the horizontal slide groove through each lock tongue. The first disc spring and the second disc spring are fixedly connected through the cooperation of each lock tongue and the lock plate.
2. The quick-connect combined disc spring according to claim 1, characterized in that: Each lock tongue is provided with a first guide slope, and each lock plate is provided with a second guide slope corresponding to each first guide slope. Each lock tongue presses down the lock plate and flips over the lock plate through the continuous force of the first return spring and the cooperation of the first guide slope and the second guide slope.
3. The quick-connect combined disc spring according to claim 2, characterized in that: The upper end of each locking plate is provided with a horizontal pressing surface, and each locking plate is pressed against the bottom surface of the limiting plate through the horizontal pressing surface after the former is rotated and reset.
4. The quick-connect combined disc spring according to claim 3, characterized in that: The width of each lifting slot is greater than the width of the lifting slider, and a sliding arc groove is provided on the side wall of each lifting slot, and each sliding arc groove is coaxially arranged with the first slot. An arc pressure rod is slidably provided in each sliding arc groove, and a third return spring is sleeved on each arc pressure rod. The two ends of the third return spring are fixedly connected to the arc pressure rod and the sliding arc groove respectively, and each arc pressure rod presses the lifting slider through the sliding connection with the sliding arc groove and the continuous force of the third return spring.
5. The quick-connect combined disc spring according to claim 4, characterized in that: The first connecting portion is provided with a connecting slot, which is coaxially arranged with the first connecting portion. The second connecting portion is provided with a connecting plug adapted to the connecting slot, which is coaxially arranged with the second connecting portion.
6. The quick-connect combined disc spring according to claim 5, characterized in that: A connecting screw hole is provided on the side wall of the connecting slot, the axis of the connecting screw hole is arranged perpendicular to the extension direction of the connecting slot, a connecting screw is provided in the connecting screw hole, and a connecting hole connected to the connecting screw hole is provided on the outer wall of the connecting plug. The second disc spring is fixedly connected to the adjacent first disc spring through the cooperation between the connecting plug and the connecting slot, the threaded cooperation between the connecting screw and the connecting screw hole, and the cooperation between the connecting screw and the connecting hole.