Spring cushion

Abstract

The utility model discloses a spring pad, which relates to the technical field of rubber spring pads and comprises an annular plate and a bottom plate, a plurality of first elastic parts are eccentrically, uniformly and fixedly connected between the annular plate and the bottom plate, and second elastic parts are arranged between the adjacent first elastic parts. The upper end and the lower end of the second elastic piece are fixedly connected to the annular plate and the bottom plate correspondingly. The center of the top of the bottom plate is fixedly connected with an air chamber; fixing plates are arranged at the top of the annular plate and the bottom of the bottom plate, a plurality of rubber gaskets are evenly and fixedly connected to the outer sides of the fixing plates, threaded bolts are arranged on the surfaces of the fixing plates in a threaded and penetrating mode, and the fixing plates are fixed to the top of the annular plate and the bottom of the bottom plate through the threaded bolts; an inner ring plate is vertically and fixedly connected to the bottom of the ring plate, and an outer ring plate is fixedly connected to the position, located on the outer side of the inner ring plate, of the bottom of the ring plate; the problem that the elastic buffering scale cannot be adjusted in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber spring pads, in particular to a spring pad. Background Art

[0002] Rubber spring is a general term for rubber shock absorbers. Depending on language habits, it can also be called: rubber pile, composite spring, rubber spring, metal spring, composite coil spring, rubber spring pad, etc. Among them, rubber spring pads are mainly used for cushioning in environmentally friendly cars.

[0003] The Chinese utility model with publication number CN217582979U proposes an environmentally friendly automobile rubber spring pad, including a rubber spring pad body, wherein the inner walls of the top and bottom ends of the rubber spring pad body are connected to an upper mounting plate and a lower mounting plate respectively through mounting devices; the upper mounting plate is fixedly connected to a movable cylinder near a side of the lower mounting plate, and the top of the lower mounting plate is fixedly connected to a fixed cylinder that sleeves the movable cylinder, and the fixed cylinder is connected to the movable cylinder through a buffer spring. In this environmentally friendly automobile rubber spring pad, when the rubber spring pad is squeezed, the upper and lower mounting plates will move toward each other, and at this time, the movable cylinder will slide along the inner wall of the fixed cylinder and drive the buffer spring to be squeezed and compressed, which can convert the kinetic energy received into elastic potential energy, and play a comprehensive buffering and protective effect. In addition, this method of operation is more comprehensive. When in use, the upper and lower mounting plates can play a better supporting effect, avoiding the equipment from falling off, and improving the use effect of the device.

[0004] However, the above practicality still has shortcomings:

[0005] The vibration and impact levels that the buffer system including the rubber spring pad can handle are usually determined based on the expected working conditions and vehicle design parameters. The utility model does not design different adjustable elastic buffering scales, resulting in a limited application range of the rubber spring pad. Utility Model Content

[0006] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a spring pad, which solves the problem that the prior art cannot adjust the elastic buffering scale.

[0007] In order to achieve the above-mentioned purpose, the utility model provides a spring pad.

[0008] As a further solution of the utility model:

[0009] A spring pad comprises a ring plate and a bottom plate, wherein a plurality of first elastic members are eccentrically and evenly fixedly connected between the ring plate and the bottom plate, a second elastic member is arranged between adjacent first elastic members, and upper and lower ends of the second elastic member are respectively fixedly connected to the ring plate and the bottom plate; an air chamber is fixedly connected to the top center of the bottom plate;

[0010] A fixing plate is provided on the top of the ring plate and the bottom of the bottom plate, a plurality of rubber gaskets are evenly fixedly connected to the outside of the fixing plate, and a threaded bolt is threadedly penetrated on the surface of the fixing plate, and the threaded bolt fixes the fixing plate to the top of the ring plate and the bottom of the bottom plate;

[0011] The bottom of the ring plate is vertically fixedly connected to an inner ring plate, and the bottom of the ring plate is located on the outside of the inner ring plate and is fixedly connected to an outer ring plate, a clamping plate is sandwiched between the inner ring plate and the outer ring plate, and the surfaces of the clamping plate, the inner ring plate and the outer ring plate are evenly provided with multiple groups of fixing holes from top to bottom, and the bottom of the clamping plate is fixedly connected to a butt plate.

[0012] Furthermore, the first elastic member includes a fixing rod, which is fixedly connected to the top of the base plate, a sleeve is sleeved on the outer side of the fixing rod, the sleeve is fixedly connected to the bottom of the ring plate, a first spring is fixedly connected between the sleeve and the fixing rod, and a plurality of air holes are evenly opened on the upper end of the sleeve.

[0013] Furthermore, the second elastic member includes an outer cylinder, the outer cylinder is slidably connected to the inner cylinder, and a second spring is fixedly connected between the inner cylinder and the bottom plate.

[0014] Furthermore, the air chamber includes an air frame, the air frame is slidably connected to a piston, and a third spring is fixedly connected between the piston and the base plate.

[0015] Furthermore, a first hole groove is opened at the top of the bottom plate located on the inner side of the outer tube, and a second hole groove is opened at the bottom plate located on the inner side of the air frame; a plurality of air pipes are opened inside the bottom plate, one end of the air pipes is connected to the first hole groove, and the other end is connected to the second hole groove.

[0016] Furthermore, the clamping plate is inserted into the fixing hole by bolts to fix the horizontal height of the abutment plate.

[0017] Furthermore, a rubber sheet is fixedly connected to the top of the piston.

[0018] Furthermore, the inner side of the outer tube is fitted to the inner tube, and the outer side of the fixing rod is fitted to the inner side of the sleeve.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The rubber gasket transmits pressure upward, and then applies pressure to the bottom plate, so that the first elastic member and the second elastic member are compressed, wherein the first spring and the second spring are both compressed; it is beneficial to the vibration buffering and absorption of the bottom of the car; wherein the air in the second elastic member enters the air pipe along the first hole groove and finally enters the air frame from the second hole groove, so that the piston is pushed up; wherein the air in the first elastic member overflows along the air hole; wherein the second elastic member is a sealed buffer structure, which is beneficial to ensure that the buffer is not contaminated by foreign substances, thereby ensuring the long-term working stability of the second elastic member; it is beneficial to provide secondary elastic buffering after the set shock absorption force value is about to be reached while avoiding exceeding the buffering limit value of the car.

[0021] 2. Pull out the bolts to adjust the relative positions between the clamping plate and the inner ring plate and the outer ring plate, so that the product of the compressible length of the rubber pad and the pressure per unit length of the spring meets the buffer level of the car; when compressed to the buffer value specified by the car, the rubber sheet and the abutment plate fit together, so that the compression of the first elastic member and the second elastic member tends to be slow and slowly compresses with the compression of the rubber sheet until it stops; it is helpful to adjust the buffer level of the rubber to adapt to different vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of the elastic member of the utility model;

[0024] Figure 3 It is a schematic diagram of the adjustment structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the air chamber structure of the utility model.

[0026] In the figure: 1, ring plate; 2, bottom plate; 3, fixing plate; 4, rubber gasket; 5, bolt; 6, first elastic member; 61, fixing rod; 62, sleeve; 63, first spring; 64, air hole; 7, second elastic member; 71, outer tube; 72, inner tube; 73, second spring; 8, air chamber; 81, air frame; 82, piston; 83, third spring; 9, air pipe; 91, first hole groove; 92, second hole groove; 101, inner ring plate; 102, outer ring plate; 103, clamping plate; 104, abutment plate; 105, fixing hole; 11, rubber sheet. DETAILED DESCRIPTION

[0027] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1-4 As shown, a spring pad comprises a ring plate 1 and a bottom plate 2, a plurality of first elastic members 6 are eccentrically and evenly fixedly connected between the ring plate 1 and the bottom plate 2, a second elastic member 7 is arranged between adjacent first elastic members 6, and upper and lower ends of the second elastic member 7 are respectively fixedly connected to the ring plate 1 and the bottom plate 2; an air chamber 8 is fixedly connected to the top center of the bottom plate 2;

[0029] A fixing plate 3 is provided at the top of the ring plate 1 and the bottom of the bottom plate 2, a plurality of rubber gaskets 4 are evenly fixedly connected to the outside of the fixing plate 3, a threaded bolt 5 is threadedly penetrated on the surface of the fixing plate 3, and the threaded bolt 5 fixes the fixing plate 3 to the top of the ring plate 1 and the bottom of the bottom plate 2;

[0030] The bottom of the ring plate 1 is vertically fixedly connected to an inner ring plate 101, and the bottom of the ring plate 1 is located on the outside of the inner ring plate 101 and is fixedly connected to an outer ring plate 102. A clamping plate 103 is clamped between the inner ring plate 101 and the outer ring plate 102. The surfaces of the clamping plate 103, the inner ring plate 101 and the outer ring plate 102 are evenly provided with multiple groups of fixing holes 105 from top to bottom, and the bottom of the clamping plate 103 is fixedly connected to a butt plate 104.

[0031] Preferably, the first elastic member 6 includes a fixing rod 61, the fixing rod 61 is fixedly connected to the top of the bottom plate 2, a sleeve 62 is sleeved on the outer side of the fixing rod 61, the sleeve 62 is fixedly connected to the bottom of the ring plate 1, a first spring 63 is fixedly connected between the sleeve 62 and the fixing rod 61, and a plurality of air holes 64 are evenly opened on the upper end of the sleeve 62.

[0032] Preferably, the second elastic member 7 comprises an outer cylinder 71 , the outer cylinder 71 is slidably connected to an inner cylinder 72 , and a second spring 73 is fixedly connected between the inner cylinder 72 and the bottom plate 2 .

[0033] Preferably, the air chamber 8 comprises an air frame 81 , the air frame 81 is slidably connected with a piston 82 , and a third spring 83 is fixedly connected between the piston 82 and the bottom plate 2 .

[0034] Preferably, a first hole groove 91 is opened at the top of the bottom plate 2 located on the inner side of the outer tube 71, and a second hole groove 92 is opened at the inner side of the bottom plate 2 located on the inner side of the air frame 81; a plurality of air pipes 9 are opened inside the bottom plate 2, one end of the air pipe 9 is connected to the first hole groove 91, and the other end is connected to the second hole groove 92.

[0035] Preferably, the clamping plate 103 is inserted into the fixing hole 105 by bolts to fix the horizontal height of the abutment plate 104 .

[0036] Preferably, a rubber sheet 11 is fixedly connected to the top of the piston 82 .

[0037] Preferably, the inner side of the outer cylinder 71 is in contact with the inner cylinder 72 , and the outer side of the fixing rod 61 is in contact with the inner side of the sleeve 62 .

[0038] Working principle:

[0039] When the car encounters bumps, pressure is transmitted from bottom to top, and pressure is transmitted upward from the rubber gasket 4 at the bottom, thereby applying pressure to the bottom plate 2, so that the first elastic member 6 and the second elastic member 7 are compressed, wherein the first spring 63 and the second spring 73 are both compressed; this is beneficial to the shock absorption of the bottom of the car; wherein the air in the second elastic member 7 enters the air pipe 9 along the first hole groove 91 and finally enters the air frame 81 from the second hole groove 92, so that the piston 82 is pushed upward; wherein the air in the first elastic member 6 overflows along the air hole 64; the second elastic member 7 is a sealed buffer structure, which is beneficial to ensure that the buffer is not contaminated by foreign substances, thereby ensuring the long-term working stability of the second elastic member 7; it is beneficial to provide secondary elastic buffering after the set shock absorption force value is about to be reached while avoiding exceeding the buffering limit value of the car;

[0040] Pull out the bolts to adjust the relative positions between the clamping plate 103 and the inner ring plate 101 and the outer ring plate 102, so that the product of the compressible length of the rubber pad and the pressure per unit length of the spring meets the buffer level of the car; when compressed to the buffer value specified by the car, the rubber sheet 11 and the abutment plate 104 fit together, so that the compression of the first elastic member 6 and the second elastic member 7 tends to be slow and slowly compresses with the compression of the rubber sheet 11 until it stops; it is conducive to adjusting the buffer level of the rubber to adapt to different vehicles;

[0041] The above embodiments are only used to illustrate the technical method of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical method of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A spring pad, characterized in that: It comprises a ring plate (1) and a bottom plate (2), wherein a plurality of first elastic members (6) are eccentrically and evenly fixedly connected between the ring plate (1) and the bottom plate (2), a second elastic member (7) is arranged between adjacent first elastic members (6), and the upper and lower ends of the second elastic member (7) are respectively fixedly connected to the ring plate (1) and the bottom plate (2); an air chamber (8) is fixedly connected to the center of the top of the bottom plate (2); A fixing plate (3) is arranged at the top of the ring plate (1) and the bottom of the bottom plate (2); a plurality of rubber gaskets (4) are evenly fixedly connected to the outside of the fixing plate (3); a threaded bolt (5) is threadedly penetrated through the surface of the fixing plate (3); the threaded bolt (5) fixes the fixing plate (3) to the top of the ring plate (1) and the bottom of the bottom plate (2); The bottom of the ring plate (1) is vertically fixedly connected to an inner ring plate (101), the bottom of the ring plate (1) is located on the outer side of the inner ring plate (101) and is fixedly connected to an outer ring plate (102), a clamping plate (103) is sandwiched between the inner ring plate (101) and the outer ring plate (102), and the surfaces of the clamping plate (103), the inner ring plate (101) and the outer ring plate (102) are uniformly provided with multiple groups of fixing holes (105) from top to bottom, and the bottom of the clamping plate (103) is fixedly connected to a butt plate (104).

2. A spring washer according to claim 1, characterized in that: The first elastic member (6) comprises a fixing rod (61), the fixing rod (61) being fixedly connected to the top of the bottom plate (2), a sleeve (62) being sleeved on the outer side of the fixing rod (61), the sleeve (62) being fixedly connected to the bottom of the ring plate (1), a first spring (63) being fixedly connected between the sleeve (62) and the fixing rod (61), and a plurality of air holes (64) being evenly formed at the upper end of the sleeve (62).

3. A spring washer according to claim 2, characterized in that: The second elastic member (7) comprises an outer cylinder (71), the outer cylinder (71) is slidably connected to an inner cylinder (72), and a second spring (73) is fixedly connected between the inner cylinder (72) and the bottom plate (2).

4. A spring washer according to claim 3, characterized in that: The air chamber (8) comprises an air frame (81), the air frame (81) is slidably connected to a piston (82), and a third spring (83) is fixedly connected between the piston (82) and the bottom plate (2).

5. A spring washer according to claim 4, characterized in that: The top of the bottom plate (2) is located inside the outer tube (71) and is provided with a first hole groove (91), and the bottom plate (2) is located inside the air frame (81) and is provided with a second hole groove (92); a plurality of air pipes (9) are provided inside the bottom plate (2), one end of the air pipe (9) is connected to the first hole groove (91), and the other end is connected to the second hole groove (92).

6. A spring washer according to claim 5, characterized in that: The clamping plate (103) is inserted into the fixing hole (105) by means of bolts to fix the horizontal height of the abutment plate (104).

7. A spring washer according to claim 6, characterized in that: A rubber sheet (11) is fixedly connected to the top of the piston (82).

8. A spring washer according to claim 7, characterized in that: The inner side of the outer cylinder (71) is fitted to the inner cylinder (72), and the outer side of the fixing rod (61) is fitted to the inner side of the sleeve (62).

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