CN220227635U

CN220227635U - Spring damper

Info

Publication number: CN220227635U
Application number: CN202321922001.2U
Authority: CN
Inventors: 张斌; 赵志飞
Original assignee: Lisega Pipe Support Technology Shanghai Co ltd
Current assignee: Lisega Pipe Support Technology Shanghai Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2023-12-22
Anticipated expiration: 2033-07-21

Abstract

The utility model relates to the technical field of shock absorbers, in particular to a spring shock absorber which comprises a cylinder body, wherein a piston rod is connected inside the cylinder body in a sliding manner, a buffer spring is sleeved outside the piston rod, a dust cover is sleeved outside the buffer spring, the lower end of the dust cover is fixedly connected with a second connecting plate, the lower surface of the second connecting plate is fixedly connected with two groups of symmetrically distributed connecting clamping blocks, the lower surface of the second connecting plate is fixedly connected with a sealing adhesive tape, a positioning groove is formed in the position, close to the outer side, of the connecting clamping blocks, the upper end of the cylinder body is fixedly connected with a fixing mechanism, and the fixing mechanism comprises a first connecting plate, a sealing groove, a connecting clamping groove, a fixing block and a positioning block; the dust cover is sleeved on the outer side of the buffer spring, the connecting clamping blocks are inserted into the connecting clamping grooves, then the positioning blocks are clamped into the positioning grooves, the dust cover is quickly installed, the installation efficiency is improved, and the practicability is improved.

Description

Spring damper

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a spring shock absorber.

Background

The shock absorber assembly consists of a shock absorber, a lower spring pad, a dust cover, a spring, a shock pad, an upper spring pad, a spring seat, a bearing, a top rubber and a nut, and the shock absorber assembly converts the elastic energy of the spring into heat energy by utilizing fluid so as to make the movement convergence of a vehicle most reasonable; the utility model discloses a spring damper assembly, which relates to the technical field of dampers, and comprises a damper body, wherein a dust cover is arranged on the damper body, the dust cover comprises a dust ring connected with the damper body and a sleeve with the end part connected with the dust ring, a sealing ring is arranged on the surface of the dust ring connected with the damper body, and the sleeve comprises an inner layer, an interlayer and an outer layer three-layer structure layer which are sequentially arranged from inside to outside;

the device is provided with the dustproof sleeve on the inner side of the spring, and the two ends of the dustproof sleeve are inconvenient to be connected with the upper spring seat and the lower spring seat due to the fact that the springs are tightly connected, so that the device is troublesome to install and detach, and the disassembly and assembly efficiency is low.

Therefore, it is necessary to invent a spring damper to solve the above problems.

Disclosure of Invention

The utility model aims to provide a spring damper to solve the problems that in the prior art, the dust cover is troublesome to install and detach and the disassembly efficiency is low.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a spring damper, includes the cylinder body, the inside sliding connection of cylinder body has the piston rod, the outside cover of piston rod is equipped with buffer spring, buffer spring's outside cover is equipped with the dust cover, the lower extreme fixedly connected with second connecting plate of dust cover, the lower fixed surface of second connecting plate is connected with two sets of symmetric distribution's of connection fixture block, the lower fixed surface of second connecting plate is connected with joint strip, the constant head tank has been seted up near outside surface to the connection fixture block, the upper end fixedly connected with fixed establishment of cylinder body, fixed establishment includes first connecting plate, seal groove, connection draw-in groove, fixed block and locating piece, first connecting plate is fixed with the cylinder body.

Preferably, the connecting clamping grooves are provided with two groups, the two groups of connecting clamping grooves are symmetrically formed in the upper surface of the first connecting plate, and the two groups of connecting clamping grooves correspond to the positions of the two groups of connecting clamping blocks respectively.

Preferably, the fixed block is provided with two sets of, the fixed block with first connecting plate fixed connection, first spout and second spout have been seted up to the inside of fixed block, the inside sliding connection of first spout has the locating piece, the locating piece be close to one side fixed surface connection locating lever of second spout, the surface cover of locating lever is established and is connected with reset spring, first spout with connect the draw-in groove and link up.

Preferably, the second sliding groove is connected with a positioning plate in a sliding manner, the positioning plate is fixed with a positioning rod, one end of the return spring, which is close to the positioning block, is tightly abutted against the positioning plate, and one end of the return spring, which is far away from the positioning block, is tightly abutted against the groove wall of the second sliding groove.

Preferably, the positioning block is inserted into the positioning groove, the edge of the lower end of the connecting clamping block is an oblique cutting angle, and the upper side edge of the positioning block is arc-shaped.

Preferably, the sealing groove is formed in the upper surface of the first connecting plate, and the sealing groove corresponds to the sealing rubber strip in position.

Preferably, the upper end fixedly connected with first spring holder of piston rod, the upper surface fixedly connected with second spring holder of first connecting plate, buffer spring's upper and lower both ends respectively with first spring holder and second spring holder tightly support.

Preferably, the upper end fixedly connected with connecting sleeve of dust cover, two sets of symmetrically distributed's connecting through-holes have been seted up to connecting sleeve's side, two sets of symmetrically distributed's screw holes have been seted up to first spring holder's side, and the screw hole corresponds with connecting through-hole's position, and connecting through-hole's inside is provided with the fixed screw, fixed screw and screw hole threaded connection.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the utility model, the dustproof cover is sleeved on the outer side of the buffer spring, and the fixing mechanism is fixedly connected to the upper end of the cylinder body, and mainly comprises the first connecting plate, the sealing groove, the connecting clamping groove, the fixing block and the positioning block, so that the dustproof cover is sleeved on the outer side of the buffer spring, the connecting clamping block is inserted into the connecting clamping groove, and then the positioning block is clamped into the positioning groove, so that the quick installation of the dustproof cover is realized, the installation efficiency is improved, the practicability is improved, and the problems that the installation and the disassembly of the dustproof cover are more troublesome and the disassembly efficiency is lower are solved;

2. according to the utility model, the sealing rubber strip is fixedly connected to the lower surface of the second connecting plate, the sealing groove is formed in the upper surface of the first connecting plate, the sealing rubber strip is clamped in the sealing groove in the installation process, and the dust cover seals the buffer spring and the piston rod, so that the tightness of the spring damper is further improved, and the use safety of the spring damper is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a second connecting plate structure according to the present utility model;

FIG. 3 is a schematic view of a first connecting plate according to the present utility model;

FIG. 4 is a schematic view of the internal structure of the fixing block according to the present utility model;

FIG. 5 is a schematic view of a positioning rod according to the present utility model;

fig. 6 is a schematic structural view of a first spring seat according to the present utility model.

Reference numerals illustrate:

1. a cylinder; 12. a piston rod; 13. a first spring seat; 15. a second spring seat; 16. a buffer spring; 2. a first connection plate; 21. sealing the groove; 22. a connecting clamping groove; 3. a fixed block; 31. a first chute; 32. a second chute; 33. a positioning block; 34. a positioning rod; 35. a positioning plate; 36. a return spring; 4. a dust cover; 41. connecting a clamping block; 42. a positioning groove; 43. a sealing rubber strip; 44. a second connecting plate; 45. and (5) connecting the sleeve.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a spring damper as shown in fig. 1-6, which comprises a cylinder body 1, wherein a piston rod 12 is slidably connected in the cylinder body 1, a buffer spring 16 is sleeved outside the piston rod 12, a dust cover 4 is sleeved outside the buffer spring 16, the lower end of the dust cover 4 is fixedly connected with a second connecting plate 44, the lower surface of the second connecting plate 44 is fixedly connected with two groups of symmetrically distributed connecting clamping blocks 41, the lower surface of the second connecting plate 44 is fixedly connected with a sealing rubber strip 43, and a positioning groove 42 is formed in the surface, close to the outer side, of the connecting clamping blocks 41; the upper end of the cylinder body 1 is fixedly connected with a fixing mechanism, the fixing mechanism comprises a first connecting plate 2, a sealing groove 21, a connecting clamping groove 22, a fixing block 3 and a positioning block 33, and the first connecting plate 2 is fixed with the cylinder body 1. The connecting clamping grooves 22 are provided with two groups, the two groups of connecting clamping grooves 22 are symmetrically formed in the upper surface of the first connecting plate 2, the two groups of connecting clamping grooves 22 correspond to the positions of the two groups of connecting clamping blocks 41 respectively, the sealing groove 21 is formed in the upper surface of the first connecting plate 2, and the sealing groove 21 corresponds to the position of the sealing adhesive tape 43.

Wherein, in the installation process, the dust cover 4 is sleeved on the outer side of the buffer spring 16, the connecting clamping block 41 is inserted into the connecting clamping groove 22, thereby realizing the rapid installation of the dust cover 4, improving the installation efficiency and increasing the practicability; meanwhile, the sealing rubber strips 43 are clamped in the sealing grooves 21, the dust cover 4 seals the buffer spring 16 and the piston rod 12, the sealing performance of the spring damper is further improved, and the use safety of the spring damper is improved.

The fixed block 3 is provided with two groups, the fixed block 3 is fixedly connected with the first connecting plate 2, a first chute 31 and a second chute 32 are formed in the fixed block 3, a positioning block 33 is connected in the first chute 31 in a sliding manner, one side surface of the positioning block 33, which is close to the second chute 32, is fixedly connected with a positioning rod 34, a reset spring 36 is sleeved on the surface of the positioning rod 34, and the first chute 31 is communicated with the connecting clamping groove 22; the inside sliding connection of second spout 32 has locating plate 35, and locating plate 35 is fixed with locating lever 34, and the one end that reset spring 36 is close to locating piece 33 is tight with locating plate 35, and the one end that reset spring 36 is far away from locating piece 33 is tight with the cell wall of second spout 32. The positioning block 33 is inserted into the positioning groove 42, the edge of the lower end of the connecting clamping block 41 is a chamfer angle, and the upper side edge of the positioning block 33 is arc-shaped.

Specifically, after the connecting fixture block 41 is inserted into the connecting fixture groove 22, as the edge of the lower end of the connecting fixture block 41 is a chamfer angle, the edge of the upper side of the positioning block 33 is arc-shaped, the connecting fixture block 41 pushes the positioning block 33 outwards, when the connecting fixture block 41 is inserted into the bottommost end, the positioning groove 42 just reaches the position of the positioning block 33, and the positioning block 33 can prop into the positioning groove 42 under the tension of the return spring 36 to fix the connecting fixture block 41, so that the bottom of the dust cover 4 is fixed and sealed; in the process of disassembly, only the two groups of positioning rods 34 are pulled to two sides respectively, so that the positioning blocks 33 are separated from the positioning grooves 42, and the dust cover 4 is quickly disassembled.

The upper end fixedly connected with first spring holder 13 of piston rod 12, the upper surface fixedly connected with second spring holder 15 of first connecting plate 2, buffer spring 16's upper and lower both ends tightly support with first spring holder 13 and second spring holder 15 respectively, the upper end fixedly connected with connecting sleeve 45 of dust cover 4, two sets of symmetrically distributed's connecting through-holes have been seted up to connecting sleeve 45's side, two sets of symmetrically distributed's screw hole has been seted up to first spring holder 13's side, the screw hole corresponds with connecting through-hole's position, connecting through-hole's inside is provided with the fixed screw, fixed screw and screw hole threaded connection.

Meanwhile, after the bottom end of the dust cover 4 is fixed, the connecting sleeve 45 and the first spring seat 13 are connected by a set screw, and the upper end of the dust cover 4 is fixed.

The working principle of the utility model is as follows: during installation, the dust cover 4 is sleeved on the outer side of the buffer spring 16, the connecting clamping block 41 is inserted into the connecting clamping groove 22, meanwhile, the sealing adhesive tape 43 is clamped in the sealing groove 21, then the connecting clamping block 41 pushes the positioning block 33 outwards, when the connecting clamping block 41 is inserted into the bottommost end, the positioning groove 42 just reaches the position of the positioning block 33, the positioning block 33 can prop into the inner part of the positioning groove 42 under the tension of the return spring 36 to fix the connecting clamping block 41, so that the bottom of the dust cover 4 is fixedly sealed, then the connecting sleeve 45 is connected with the first spring seat 13 by using the fixing screw, and the upper end of the dust cover 4 is fixed;

when the dust cover 4 is detached, the connecting sleeve 45 is firstly separated from the first spring seat 13, and then the two groups of positioning rods 34 are respectively pulled to two sides, so that the positioning blocks 33 are separated from the positioning grooves 42, and the dust cover 4 is quickly detached.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed.

Claims

1. Spring damper, comprising a cylinder (1), characterized in that: the inside sliding connection of cylinder body (1) has piston rod (12), the outside cover of piston rod (12) is equipped with buffer spring (16), the outside cover of buffer spring (16) is equipped with dust cover (4), the lower extreme fixedly connected with second connecting plate (44) of dust cover (4), the lower fixed surface of second connecting plate (44) is connected with two sets of symmetrically distributed's connection fixture block (41), the lower fixed surface of second connecting plate (44) is connected with joint strip (43), constant head tank (42) have been seted up near outside surface to connection fixture block (41), the upper end fixedly connected with fixed establishment of cylinder body (1), fixed establishment includes first connecting plate (2), seal groove (21), connection draw-in groove (22), fixed block (3) and locating piece (33), first connecting plate (2) are fixed with cylinder body (1).

2. A spring damper according to claim 1, wherein: the connecting clamping grooves (22) are formed in two groups, the two groups of connecting clamping grooves (22) are symmetrically formed in the upper surface of the first connecting plate (2), and the two groups of connecting clamping grooves (22) correspond to the positions of the two groups of connecting clamping blocks (41) respectively.

3. A spring damper according to claim 1, wherein: the fixed block (3) is provided with two sets of, fixed block (3) with first connecting plate (2) fixed connection, first spout (31) and second spout (32) have been seted up to the inside of fixed block (3), the inside sliding connection of first spout (31) has locating piece (33), be close to of locating piece (33) one side fixed surface connection locating lever (34) of second spout (32), reset spring (36) are established to the surface cover of locating lever (34), first spout (31) with connect draw-in groove (22) link up.

4. A spring damper according to claim 3, wherein: the inside sliding connection of second spout (32) has locating plate (35), locating plate (35) are fixed with locating lever (34), return spring (36) be close to one end of locating piece (33) with locating plate (35) tightly support, return spring (36) keep away from one end of locating piece (33) with the cell wall of second spout (32) tightly support.

5. A spring damper according to claim 4, wherein: the positioning block (33) is inserted into the positioning groove (42), the lower end edge of the connecting clamping block (41) is a chamfer angle, and the upper side edge of the positioning block (33) is arc-shaped.

6. A spring damper according to claim 1, wherein: the sealing groove (21) is formed in the upper surface of the first connecting plate (2), and the sealing groove (21) corresponds to the sealing rubber strip (43).

7. A spring damper according to claim 1, wherein: the upper end fixedly connected with first spring holder (13) of piston rod (12), the upper surface fixedly connected with second spring holder (15) of first connecting plate (2), the upper and lower both ends of buffer spring (16) respectively with first spring holder (13) and second spring holder (15) tightly support.

8. A spring damper according to claim 7, wherein: the dustproof device is characterized in that the upper end of the dustproof cover (4) is fixedly connected with a connecting sleeve (45), two groups of symmetrically distributed connecting through holes are formed in the side face of the connecting sleeve (45), two groups of symmetrically distributed screw holes are formed in the side face of the first spring seat (13), the screw holes correspond to the positions of the connecting through holes, and fixing screws are arranged in the connecting through holes and are in threaded connection with the screw holes.