Limiting seat for limiting tension-compression spring
By designing the guide and buffer components, the problems of fatigue and structural damage of the limit seat under high-frequency vibration were solved, achieving stable guidance and buffering of the spring, extending its service life and improving the overall performance of the equipment.
Patent Information
- Application Number
- CN202520767603.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-22
AI Technical Summary
Current limited positioners are prone to fatigue under high-frequency vibration, resulting in a shortened service life and an inability to effectively cope with structural displacement, leading to localized stress concentration and equipment damage.
A limiting spring limit seat is designed, which adopts a guide assembly and a buffer assembly. The guide assembly consists of a fixed rod, a moving ring, a moving rod and a sleeve, and the buffer assembly consists of a piston, an elastic ball and a receiving block. The guiding and buffering mechanism prevents the spring from being excessively deformed or broken, and reduces wear and vibration.
It effectively prevents excessive deformation or breakage of springs, reduces equipment damage, extends service life, and improves equipment stability and performance.
Smart Images
Figure CN223881597U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to spring limit seat technical field, concretely relates to a limit limit seat of tension compression spring. BACKGROUND
[0002] Metal product limit tension compression spring limit seat is a device for limiting spring displacement in mechanical system, and its design aims to ensure that the spring keeps stable movement track during stretching or compression, prevents excessive deformation or failure, limit seat main part is usually made of high-strength metal material (such as carbon steel, alloy steel or stainless steel), and the surface is treated by heat treatment or plating to improve wear resistance and corrosion resistance. Built-in guide hole or guide groove is used to limit the axial movement direction of the spring, prevent the spring from deviating or bending when stressed, when the spring is stretched, the limit seat guides the spring to move along the axial direction through the guide structure, when the maximum stretching stroke is reached, the limit block or baffle prevents the spring from further stretching, prevents the spring from excessive deformation or fracture, in existing application scenarios: automobile industry: used in suspension system, shock absorber, clutch and other components, limit the displacement range of the spring, ensure the stability and comfort of vehicle driving. Mechanical equipment: in machine tools, punching machines, vibrating screens and other equipment, limit the stretching or compression stroke of the spring, protect the equipment from damage.
[0003] The existing limit seat design has certain limitations, and the common ordinary limit seat may appear fatigue under high-frequency vibration, is forced to reduce service life, or cannot effectively respond to the displacement of the structure, is prone to local stress concentration, and finally causes structural damage, and needs to be improved, therefore, it is particularly important to design a limit tension compression spring limit seat to solve the above problems. UTILITY MODEL CONTENTS
[0004] (1) Technical problem to be solved
[0005] In view of the defects of the prior art, the utility model aims at providing a limit tension compression spring limit seat, which solves the problems of the common ordinary limit seat under high-frequency vibration, forced to reduce service life, or unable to effectively respond to the displacement of the structure, prone to local stress concentration, and finally causing structural damage.
[0006] (2) Technical scheme
[0007] In order to solve the above technical problems, the utility model provides a limit tension compression spring limit seat, which comprises a limit seat main part; the top of the limit seat main part is provided with a connecting frame, the top of the connecting frame is fixedly connected with a mounting frame, the bottom of the limit seat main part is fixedly connected with a mounting seat, a tension compression spring is arranged between the limit seat main part and the connecting frame, and a guide assembly is arranged between the limit seat main part and the connecting frame and outside the tension compression spring;
[0008] The guide assembly is used for guiding the tension and compression spring, and is composed of a plurality of fixed rods, a moving ring, a moving rod and a sleeve.
[0009] When the tension and compression spring is stretched, the limiting seat body drives the sliding rod to displace through the connecting frame, so that the moving ring displaces, and the connecting frame drives the moving rod to displace in cooperation with the sleeve, thereby effectively guiding the tension and compression spring to move in the axial direction. When the maximum stretching stroke is reached, the moving ring, the moving rod and the sleeve prevent the tension and compression spring from being further stretched, so as to prevent the tension and compression spring from being excessively deformed or broken. In the compression process of the tension and compression spring, the limiting seat body limits the minimum compression stroke of the tension and compression spring. When the moving ring displaces, the damping spring is extruded, and the damping spring enables the moving ring to be buffered, so as to absorb impact energy and reduce damage to the tension and compression spring and the limiting seat body. Meanwhile, the displacement of the connecting frame drives the moving rod to displace, and the displacement of the moving rod drives the piston to displace, extruding the gas in the sleeve and driving the plurality of first elastic balls to displace into the accommodating groove, so as to contact the second elastic ball to be deformed. The deformed first elastic ball and the second elastic ball contact the inner wall of the accommodating groove, so as to buffer the piston, thereby buffering the moving rod to prevent the moving rod from being damaged and affecting use. Meanwhile, the tension and compression spring outside the sleeve can be buffered, so as to reduce impact and vibration, reduce wear of the tension and compression spring and the limiting seat body, and effectively guide the tension and compression spring.
[0010] Preferably, the ends of the fixed rods away from the connecting frame are fixedly connected with the moving ring, and the bottom of the moving ring is fixedly connected with the damping spring.
[0011] Further, the ends of the damping spring away from the moving ring are fixedly connected with the limiting seat body, and the bottom of the moving ring is fixedly connected with the sliding rod outside the plurality of damping springs.
[0012] Further, the tension and compression spring is sleeved outside the moving rod and the sleeve, and the two ends of the tension and compression spring are fixedly connected with the limiting seat body and the connecting frame, respectively.
[0013] Further, the inside of the sleeve and the bottom of the moving rod are provided with a buffer assembly for buffering the moving rod, and the inside of the sleeve is designed in a sealed structure.
[0014] Further, the buffer assembly is composed of a piston, a plurality of first elastic balls, a containing block and a plurality of second elastic balls, the piston is slidingly connected to the inside of the sleeve, the plurality of first elastic balls are fixedly connected to the bottom of the piston, the containing block is fixedly connected to the bottom end of the inside of the sleeve, and the plurality of second elastic balls are located in the inside of the containing block.
[0015] Further, the moving rod extends to the inside of the sleeve and is fixedly connected with the piston, the moving rod is slidingly connected with the sleeve, and the inside of the containing block and the outside of the plurality of second elastic balls are both provided with containing grooves.
[0016] (3) Beneficial effects
[0017] Compared with the prior art, the beneficial effects of the utility model lie in:
[0018] The utility model discloses a limit seat body through the design of the guide assembly, when the tension compression spring is stretched, the limit seat body drives the sliding rod to displace through the connecting frame, makes the displacement ring displace, and the connecting frame drives the displacement of the moving rod, cooperates the sleeve, can effectively guide the tension compression spring axial movement, when reaching the preset maximum stretching stroke, the displacement ring, the moving rod and the sleeve prevent the further stretching of the tension compression spring, prevent the tension compression spring from over deformation or breakage, in the compression process of the tension compression spring, the limit seat body limits the minimum compression stroke of the tension compression spring, prevents the tension compression spring from being invalid due to excessive compression or damaging the equipment, effectively prevents the tension compression spring from over deformation or invalidation, avoids the equipment damage or accident, and the accurate limit control ensures that the tension compression spring works in the expected range, improves the overall performance of the equipment.
[0019] The utility model discloses a limit seat body through the design of the buffer assembly, reduces the impact and vibration, reduces the wear and tear of the tension compression spring and the limit seat body, can effectively guide the tension compression spring, prevents the tension compression spring from deviating or bending when being stressed, and the elastic limit mechanism can absorb the impact energy in the movement process of the tension compression spring, reduces the vibration and noise, prolongs the service life of the tension compression spring and the limit seat body. ACCURATE LIMIT CONTROL
[0020] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model device;
[0021] Figure 2 It is the limit seat body structure schematic diagram of the utility model device;
[0022] Figure 3 It is the guide assembly structure schematic diagram of the utility model device;
[0023] Figure 4 It is the connecting frame structure schematic diagram of the utility model device;
[0024] Figure 5This is a schematic diagram of the buffer assembly structure of the device of this utility model;
[0025] Figure 6 This is a schematic diagram of the moving ring structure of the device of this utility model;
[0026] The labels in the attached diagram are as follows: 1. Limiting seat body; 2. Connecting frame; 3. Mounting frame; 4. Mounting seat; 5. Tension / compression spring; 6. Guide assembly; 7. Fixed rod; 8. Moving ring; 9. Moving rod; 10. Sleeve; 11. Damping spring; 12. Sliding rod; 13. Buffer assembly; 14. Piston; 15. First elastic ball; 16. Receiving block; 17. Second elastic ball; 18. Receiving groove. Detailed Implementation
[0027] This specific embodiment is a limiting tension / compression spring limiting seat, the structural schematic diagram of which is shown below. Figures 1-6 As shown, the spring limiting seat includes a limiting seat body 1; a connecting frame 2 is provided on the top of the limiting seat body 1, a mounting frame 3 is fixedly connected to the top of the connecting frame 2, a mounting seat 4 is fixedly connected to the bottom of the limiting seat body 1, a tension / compression spring 5 is provided between the limiting seat body 1 and the connecting frame 2, and a guide assembly 6 is provided between the limiting seat body 1 and the connecting frame 2 and located outside the tension / compression spring 5.
[0028] The guide assembly 6 is used to guide the tension and compression spring 5. The guide assembly 6 consists of multiple sets of fixed rods 7, moving rings 8, moving rods 9 and sleeves 10. The multiple sets of fixed rods 7 are fixedly connected to the bottom of the connecting frame 2 around the perimeter. The moving rings 8 are slidably connected to the outside of the limiting seat body 1. The moving rods 9 are fixedly connected to the center of the bottom of the connecting frame 2. The sleeves 10 are fixedly connected to the inside of the limiting seat body 1.
[0029] Wherein, in the embodiment, the end of the fixed rod 7 away from the connecting frame 2 is fixedly connected with the moving ring 8, the periphery of the bottom of the moving ring 8 is fixedly connected with the damping spring 11, the end of the damping spring 11 away from the moving ring 8 is fixedly connected with the limiting seat body 1, the periphery of the bottom of the moving ring 8 and outside the damping spring 11 is fixedly connected with the sliding rod 12, the sliding rod 12 is slidingly connected with the limiting seat body 1, when the connecting frame 2 is displaced, the sliding rod 12 is displaced, the moving ring 8 is displaced, the damping spring 11 is extruded, the moving ring 8 is buffered by the damping spring 11, the impact energy is absorbed, the damage to the tension and compression spring 5 and the limiting seat body 1 is reduced, the maximum stretching or compression stroke of the tension and compression spring 5 can be limited, the anti-seismic performance is improved, the stability is enhanced, the external impact can be effectively coped with, when the moving ring 8 is displaced, the moving ring 8 is guided by the sliding rod 12, the moving ring 8 can stably displace, when the tension and compression spring 5 is stretched, the limiting seat body 1 guides the tension and compression spring 5 to move along the axial direction through the guide structure, when the maximum stretching stroke is reached, the moving ring 8, the moving rod 9 and the sleeve 10 prevent the tension and compression spring 5 from further stretching, the tension and compression spring 5 is prevented from excessive deformation or breakage, in the compression process of the tension and compression spring 5, the limiting seat body 1 limits the minimum compression stroke of the tension and compression spring 5, the tension and compression spring 5 is prevented from failure or damage to the equipment due to excessive compression, the tension and compression spring 5 is effectively prevented from excessive deformation or failure, the equipment damage or accident is avoided, the precise limiting control ensures that the tension and compression spring 5 works in the expected range, and the overall performance of the equipment is improved;
[0030] Secondly, in the embodiment, the tension and compression spring 5 is sleeved outside the moving rod 9 and the sleeve 10, the two ends of the tension and compression spring 5 are fixedly connected with the limiting seat body 1 and the connecting frame 2 respectively, the moving rod 9 is slidingly connected with the sleeve 10, when the tension and compression spring 5 moves, the moving rod 9 displaces in the inside of the sleeve 10, the connecting frame 2 is further guided by the moving rod 9 cooperating with the sleeve 10, so that the tension and compression spring 5 can be effectively guided to prevent the tension and compression spring 5 from deviating or bending when stressed;
[0031] In addition, in the embodiment, the inside of the sleeve 10 and the bottom of the moving rod 9 are provided with a buffer assembly 13, the buffer assembly 13 is used for buffering the moving rod 9, the inside of the sleeve 10 is designed in a sealed structure, when the moving rod 9 displaces to the bottom end inside the sleeve 10, the moving rod 9 is buffered by the buffer assembly 13, the moving rod 9 is prevented from being damaged and affecting use, the tension and compression spring 5 outside the sleeve 10 can be buffered, the impact and vibration are reduced, and the wear of the tension and compression spring 5 and the limiting seat body 1 is reduced;
[0032] Further, in the embodiment, the buffer assembly 13 is composed of the piston 14, the multiple sets of first elastic balls 15, the accommodating block 16 and the multiple sets of second elastic balls 17, the piston 14 is slidingly connected to the inside of the sleeve 10, the multiple sets of first elastic balls 15 are all fixedly connected to the bottom of the piston 14, the accommodating block 16 is fixedly connected to the bottom end inside the sleeve 10, the multiple sets of second elastic balls 17 are all located inside the accommodating block 16, in the embodiment, the moving rod 9 extends to the inside of the sleeve 10 and is fixedly connected with the piston 14, the inside of the accommodating block 16 and the outside of the multiple sets of second elastic balls 17 are all provided with the accommodating grooves 18, when the moving rod 9 is displaced, the piston 14 is driven to be displaced, the gas inside the sleeve 10 is extruded, at the same time, the multiple sets of first elastic balls 15 are driven to be displaced, and are displaced to the inside of the accommodating grooves 18, and are in contact with the second elastic balls 17 to be deformed, the deformed first elastic balls 15 and second elastic balls 17 are in contact with the inner wall of the accommodating grooves 18, so that the piston 14 can be buffered, and the moving rod 9 can be buffered;
[0033] When the tension-compression spring 5 is stretched, the limiting seat body 1 drives the sliding rod 12 to displace through the connecting frame 2, so that the moving ring 8 displaces, and the connecting frame 2 drives the moving rod 9 to displace, cooperating with the sleeve 10, so that the tension-compression spring 5 can effectively be guided to move along the axial direction, when reaching the preset maximum stretching stroke, the moving ring 8, the moving rod 9 and the sleeve 10 prevent the tension-compression spring 5 from further stretching, preventing the tension-compression spring 5 from over-deformation or breakage, in the compression process of the tension-compression spring 5, the limiting seat body 1 limits the minimum compression stroke of the tension-compression spring 5, preventing the tension-compression spring 5 from being invalid due to over-compression or damaging the equipment, effectively preventing the tension-compression spring 5 from over-deformation or invalidation, avoiding equipment damage or accidents, precise limiting control ensures that the tension-compression spring 5 works in the expected range, improving the overall performance of the equipment, when the moving ring 8 displaces, the damping spring 11 is extruded, the damping spring 11 can buffer the moving ring 8, absorb impact energy, reduce damage to the tension-compression spring 5 and the limiting seat body 1, at the same time, the displacement of the connecting frame 2 drives the moving rod 9 to displace, at the displacement of the moving rod 9, the piston 14 is driven to displace, extruding the gas inside the sleeve 10, at the same time, driving the multiple groups of first elastic balls 15 to displace to the inside of the accommodating groove 18, contacting the second elastic ball 17 to deform, the deformed first elastic ball 15 and the second elastic ball 17 contact the inner wall of the accommodating groove 18, so that the piston 14 can be buffered, thereby buffering the moving rod 9, preventing the moving rod 9 from being damaged and affecting use, at the same time, the tension-compression spring 5 outside the sleeve 10 can be buffered, reducing impact and vibration, reducing wear of the tension-compression spring 5 and the limiting seat body 1, effectively guiding the tension-compression spring 5, preventing the tension-compression spring 5 from deviating or bending when stressed, the elastic limiting mechanism can absorb impact energy in the movement process of the tension-compression spring 5, reduce vibration and noise, prolong the service life of the tension-compression spring 5 and the limiting seat body 1, compared with the existing spring limiting seat, the utility model can improve the overall practicality of the spring limiting seat through design.
[0034] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other ways, under the premise of not departing from the technical scheme concept, any obvious replacement is within the protection scope of the utility model.
Claims
1. A limiting spring limiting seat, the spring limiting seat comprising a limiting seat body (1); characterized in that, The top of the limiting seat body (1) is provided with a connecting frame (2), the top of the connecting frame (2) is fixedly connected with a mounting frame (3), the bottom of the limiting seat body (1) is fixedly connected with a mounting base (4), a tension spring (5) is provided between the limiting seat body (1) and the connecting frame (2), and a guide assembly (6) is provided between the limiting seat body (1) and the connecting frame (2) and located outside the tension spring (5). The guide assembly (6) is used to guide the tension and compression spring (5). The guide assembly (6) consists of multiple sets of fixed rods (7), moving rings (8), moving rods (9) and sleeves (10). The multiple sets of fixed rods (7) are fixedly connected to the four sides of the bottom of the connecting frame (2). The moving rings (8) are slidably connected to the outside of the limiting seat body (1). The moving rods (9) are fixedly connected to the center of the bottom of the connecting frame (2). The sleeves (10) are fixedly connected to the inside of the limiting seat body (1).
2. The limiting spring limiting seat according to claim 1, characterized in that, The end of the fixed rod (7) away from the connecting frame (2) is fixedly connected to the moving ring (8), and damping springs (11) are fixedly connected around the bottom of the moving ring (8).
3. The limiting tension / compression spring limiting seat according to claim 2, characterized in that, The end of the damping spring (11) away from the moving ring (8) is fixedly connected to the limiting seat body (1). Around the bottom of the moving ring (8) and on the outside of the multiple sets of damping springs (11), there are fixedly connected sliding rods (12). The sliding rods (12) are slidably connected to the limiting seat body (1).
4. The limiting spring limiting seat according to claim 1, characterized in that, The tension / compression spring (5) is sleeved on the outside of the moving rod (9) and the sleeve (10), and the two ends of the tension / compression spring (5) are fixedly connected to the limiting seat body (1) and the connecting frame (2) respectively.
5. A limiting tension / compression spring limiting seat according to claim 1, characterized in that, The sleeve (10) is provided with a buffer assembly (13) inside and at the bottom of the moving rod (9). The buffer assembly (13) is used to buffer the moving rod (9). The sleeve (10) has a sealed structure inside.
6. A limiting tension / compression spring limiting seat according to claim 5, characterized in that, The buffer assembly (13) consists of a piston (14), multiple sets of first elastic balls (15), a receiving block (16), and multiple sets of second elastic balls (17). The piston (14) is slidably connected to the inside of the sleeve (10). The multiple sets of first elastic balls (15) are all fixedly connected to the bottom of the piston (14). The receiving block (16) is fixedly connected to the bottom end inside the sleeve (10). The multiple sets of second elastic balls (17) are all located inside the receiving block (16).
7. A limiting tension / compression spring limiting seat according to claim 6, characterized in that, The moving rod (9) extends into the inside of the sleeve (10) and is fixedly connected to the piston (14). The moving rod (9) and the sleeve (10) are slidably connected. The receiving block (16) has receiving grooves (18) inside and outside the multiple sets of second elastic balls (17).