CN218718402U

CN218718402U - Shock absorber and connecting assembly thereof

Info

Publication number: CN218718402U
Application number: CN202222190233.5U
Authority: CN
Inventors: 甘革新
Original assignee: Guangxi Huake Zhichuang Machinery Technology Co ltd
Current assignee: Guangxi Huake Zhichuang Machinery Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-03-24
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a shock absorber and coupling assembling thereof belongs to automobile parts technical field. The shock absorber comprises a shock absorber and two connecting assemblies, wherein the two connecting assemblies are respectively arranged at two ends of the shock absorber; the shock absorber comprises an outer cylinder, a closed cover, an inner cylinder, a piston rod, a piston assembly and a bottom valve assembly; the outer cylinder is connected with the sealing cover, the inner cylinder is arranged in the outer cylinder, the piston rod is arranged in the inner cylinder and is connected with the piston assembly, and the bottom valve assembly is arranged between the inner cylinder and the sealing cover; the two connecting assemblies comprise two lock heads and two lock seats, wherein one lock seat is arranged outside the outer cylinder and connected with the piston rod, and the other lock seat is arranged outside the closed cover; the two lock heads are installed in the vehicle, and the two lock seats are respectively inserted into the two lock heads for locking. This application technical scheme is provided with two tapered ends of installing in the car, and the installation can be accomplished in the lock seat at shock absorber both ends inserts the tapered end, and simple structure convenient to use has improved the installation effectiveness, and tapered end and lock seat locking cooperation have ensured the installation stability of shock absorber simultaneously.

Description

Shock absorber and connecting assembly thereof

Technical Field

The utility model relates to an automobile parts technical field, in particular to shock absorber and coupling assembling thereof.

Background

The shock absorber is an apparatus for accelerating the attenuation of the vibration of the vehicle frame and the vehicle body to improve the driving comfort of the vehicle. The piston in the shock absorber can do reciprocating relative motion with the vehicle frame and the vehicle axle, oil in the shock absorber repeatedly flows into the other inner cavity from one inner cavity through narrow holes, and the friction between the oil and the friction in liquid molecules form damping force to the vibration, so that the vibration energy of the vehicle body and the vehicle frame is converted into heat energy to be absorbed by the oil and the shock absorber shell, and finally the heat energy is dissipated into the atmosphere to achieve the shock absorption effect.

Nowadays, with the increasing types and brands of automobiles, the requirements of the market on the production efficiency of the automobiles and the installation stability of automobile parts are higher and higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shock absorber and coupling assembling thereof, aim at using the simple swift coupling assembling of installation, simple structure convenient to use installs the tapered end respectively on frame and axle, inserts the lock seat at shock absorber both ends and can accomplish the installation in corresponding the tapered end, has improved the installation effectiveness, and the tapered end inserts totally and can trigger a lot of locking in the lock seat, has ensured the installation stability of shock absorber.

In order to achieve the above object, the present invention provides a shock absorber and a connecting assembly thereof, including:

the shock absorber comprises a shock absorber and two connecting components, wherein the two connecting components are respectively arranged at two ends of the shock absorber; the shock absorber comprises an outer cylinder, a closed cover, an inner cylinder, a piston rod, a piston assembly and a bottom valve assembly; the outer cylinder is connected with the closed cover, the inner cylinder is arranged in the outer cylinder, the piston rod is arranged in the inner cylinder and connected with the piston assembly, and the bottom valve assembly is arranged between the inner cylinder and the closed cover; the two connecting assemblies comprise two lock heads and two lock seats, one lock seat is arranged outside the outer cylinder and connected with the piston rod, and the other lock seat is arranged outside the closed cover; the two lock heads can be respectively installed in the vehicle, and the two lock seats are respectively inserted into the two corresponding lock heads for locking.

Optionally, the lock cylinder side wall is provided with a plurality of first locking rings and a plurality of second locking rings, and the plurality of first locking rings are closer to the lock cylinder top part than the plurality of second locking rings.

Optionally, a first lock catch is arranged in each first lock ring, a plurality of lock bars are arranged at the top of each lock seat, and each first lock catch is matched with the corresponding lock bar to lock each lock head with the corresponding lock seat at one time.

Optionally, a second lock catch is arranged in each second lock ring, a plurality of lock holes are formed in the side wall of each lock seat, and each second lock catch is matched with the corresponding lock hole to lock each lock head and the corresponding lock seat for the second time.

Optionally, each tapered end bottom is provided with the installation department, and a plurality of mounting holes have been seted up to each installation department, and each tapered end is installed in the car through the installation department that corresponds respectively.

Optionally, the inner barrel is sleeved with an air bag for separating gas from liquid.

Optionally, the piston assembly comprises a piston, a piston transition piece and a locking nut, the piston is sleeved on the piston rod, and the piston transition piece is arranged at one end of the piston far away from the end of the piston rod; the locking nut is arranged at one end, close to the piston rod, of the piston and used for fixing the piston and the piston transition piece on the piston rod.

Optionally, the piston is provided with a plurality of circulating valves for circulating liquid when the shock absorber is compressed; the piston is also provided with a plurality of extension valves for liquid circulation when the shock absorber extends.

Optionally, the bottom valve assembly comprises a fixing piece, a connecting piece and a workpiece, the fixing piece is arranged between the sealing cover and the inner cylinder, the connecting piece is arranged in the inner cylinder, and the workpiece is arranged between the fixing piece and the connecting piece.

Optionally, a plurality of compression valves for liquid circulation when the shock absorber is compressed are arranged on the working piece; and the working piece is also provided with a compensating valve for liquid circulation when the shock absorber is stretched.

Compared with the prior art, the method has the following beneficial effects:

this application technical scheme is provided with two tapered ends of installing in the car, and the installation can be accomplished in the lock seat at shock absorber both ends inserts the tapered end, and simple structure convenient to use has improved the installation effectiveness, and tapered end and lock seat locking cooperation have ensured the installation stability of shock absorber simultaneously.

When the vehicle vibrates, the piston rod drives the piston assembly to move relatively, oil in the shock absorber flows from one cavity to the other cavity, and the friction between the oil and the friction in liquid molecules form damping force to the vibration, so that the vibration energy of the vehicle body and the vehicle frame is converted into heat energy which is absorbed by the oil and the shock absorber shell and finally dissipated into the atmosphere to achieve the shock absorption effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a cross-sectional view of an embodiment of a shock absorber and a connecting assembly thereof according to the present invention;

fig. 2 is a schematic structural view of an embodiment of a shock absorber and a connecting assembly thereof according to the present invention;

FIG. 3 is a schematic structural view of one embodiment of the connecting assembly shown in FIG. 1;

FIG. 4 is a cross-sectional view of one locking arrangement of one embodiment of the coupling assembly shown in FIG. 1;

FIG. 5 is a cross-sectional view of a secondary locking arrangement of one embodiment of the coupling assembly shown in FIG. 1;

FIG. 6 is a schematic cross-sectional view of one embodiment of the piston assembly shown in FIG. 1;

FIG. 7 is a schematic cross-sectional view of one embodiment of the base valve assembly shown in FIG. 1.

The reference numbers indicate:

1. a shock absorber; 2. a connection assembly; 3. an outer cylinder; 4. a closure cap; 5. an inner barrel; 6. a piston rod; 7. a piston assembly; 701. a piston; 702. a piston transition piece; 703. locking the nut; 704. a flow-through valve; 705. a valve is extended; 706. a flow valve baffle; 707. a flow valve spring; 708. extending the valve stop; 709. extending the valve spring; 8. a base valve assembly; 801. a fixing member; 802. a connecting member; 803. a workpiece; 804. a compression valve; 805. a compensation valve; 806. compressing the valve flap; 807. a compression valve spring; 808. a compensation valve baffle; 809. a compensation valve spring; 9. a lock head; 901. an installation part; 902. mounting holes; 903. a first lock ring; 904. a second lock ring; 905. a first lock catch; 906. a second lock catch; 10. a lock seat; 1001. a locking bar; 1002. locking; 11. a working oil cylinder; 1101. a first working cylinder; 1102. a second working cylinder; 12. an oil storage cylinder; 13. air bag

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiment is only an embodiment of the apparatus of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 7, the utility model provides a shock absorber and coupling assembling thereof.

In an embodiment of the present invention, a shock absorber and a connecting assembly thereof includes a shock absorber 1 and two connecting assemblies 2, wherein the two connecting assemblies 2 are respectively disposed at two ends of the shock absorber 1; the shock absorber comprises an outer cylinder 3, a closed cover 4, an inner cylinder 5, a piston rod 6, a piston assembly 7 and a bottom valve assembly 8; the outer cylinder 3 is connected with the closed cover 4, the inner cylinder 5 is arranged in the outer cylinder 3, the piston rod 6 is arranged in the inner cylinder 5 and is connected with the piston assembly 7, and the bottom valve assembly 8 is arranged between the inner cylinder 5 and the closed cover 4; the two connecting components 2 comprise two lock heads 9 and two lock seats 10, wherein one lock seat 10 is arranged outside the outer cylinder 3 and connected with the piston rod 6, and the other lock seat 10 is arranged outside the closed cover 4; the two lock heads 9 can be respectively installed in the vehicle, and the two lock seats 10 are respectively inserted into the two corresponding lock heads 9 for locking.

In this application, each tapered end 9 is a cylinder structure with an open bottom, the bottom of each tapered end 9 is provided with an installation part 901, each installation part 901 is provided with a plurality of installation holes 902, and each tapered end 9 is installed in the vehicle through the corresponding installation part 901 respectively. The two lock heads 9 are respectively installed on the frame and the axle by a plurality of screws respectively passing through a plurality of installation holes 902. The two sockets 10 are respectively inserted into the two corresponding lock heads 9, and the shock absorber 1 is arranged between the frame and the axle and used for improving driving comfort and guaranteeing safety. A cavity in the inner cylinder 5 is defined as a working cylinder 11, a cavity between the piston assembly 7 and the bottom valve assembly 8 is defined as a first working cylinder 1101, the rest cavities of the working cylinder 11 are defined as second working cylinders 1102, and a cavity of the outer cylinder 3, the closing cover 4 and the inner cylinder 5 is defined as an oil storage cylinder 12. When the vehicle frame and the vehicle axle move relatively, the shock absorber 1 also moves relatively.

When the shock absorber 1 is compressed, the piston assembly 7 moves towards the base valve assembly 8, the volume of the first working cylinder 1101 decreases, and oil in the working cylinder 1101 flows to the second working cylinder 1102 through the piston assembly 7 or flows to the oil storage cylinder 12 through the base valve assembly 8; when the shock absorber 1 extends, the piston assembly 7 is far away from the bottom valve assembly 8, the volume of the first working cylinder 1101 is increased, oil in the second working cylinder 1102 flows to the first working cylinder 1101 through the piston assembly 7, and oil in the oil storage cylinder 12 flows to the first working cylinder 1101 through the bottom valve assembly 8. Because the flow rate of the piston assembly 7 and the bottom valve assembly 8 for the circulation of liquid is not large, the intermolecular friction in the oil forms damping force on the shock absorber 1 when the oil moves, thereby achieving the purpose of shock absorption.

In an embodiment of the present invention, the side wall of the lock cylinder 9 is formed with a plurality of first lock rings 903 and a plurality of second lock rings 904, and the plurality of first lock rings 903 are closer to the top of the lock cylinder 9 than the plurality of second lock rings 904.

In an embodiment of the present invention, a first locking ring 905 is disposed in each first locking ring 903, a plurality of locking bars 1001 are disposed on the top of each locking seat 10, and each first locking ring 905 cooperates with the corresponding locking bar 1001 to lock each locking head 9 and the corresponding locking seat 10 at a time.

Referring to fig. 4, in the present embodiment, each locking bar 1001 is hook-shaped, and each first locking buckle 905 and each locking bar 1001 are elastically deformed by a proper external force. Each lock seat 10 is inserted into the corresponding lock head 9, the end of each lock bar 1001 is in contact with the corresponding first lock buckle 905, each lock seat 10 is continuously inserted into the corresponding lock head 9, each first lock buckle 905 deforms towards the outside of the side wall of the corresponding lock head 9 under the action of external force, and each lock bar 1001 deforms towards the direction of the center of circle of the corresponding lock seat 10. With each lock base 10 inserted into the corresponding lock head 9, the end of each first lock ring 903 is clamped between the end of the corresponding lock bar 1001 and the top of the corresponding lock base 10, thereby completing one-time locking. Preferably, the number of the first locking mechanism 905 and the number of the locking bars 1001 are equal, and 2 to 4

first locking mechanisms

905 and 2 to 4 locking bars 1001 are arranged in each circumferential array in the connecting component 2.

In an embodiment of the present invention, a second lock catch 906 is disposed in each second lock ring 904, a plurality of lock holes 1002 are disposed on the side wall of each lock seat 10, and each second lock catch 906 cooperates with the corresponding lock hole 1002 to lock each lock head 9 and the corresponding lock seat 10 for a second time.

Referring to fig. 5, in the present embodiment, each of the second locking members 906 is elastically deformed by a suitable external force. After the primary locking is completed, each lock seat 1001 continues to extend into the corresponding lock head 9, and the end of each secondary lock 906 is buckled into the corresponding lock hole 1002, so that the secondary locking is completed. Preferably, the number of the second lock catches 906 and the number of the lock holes 1002 are equal, and 2 to 4 second lock catches 906 and 4 lock holes 1002 are arranged in the connecting assembly 2 in each circumferential array.

In an embodiment of the present invention, an air bag 13 for separating gas and liquid is sleeved outside the inner cylinder 5.

In the present embodiment, part of the air needs to be present in the shock absorber 1 to counteract the partial volume that changes during compression or extension, but this part of the air cannot enter the working cylinder 11, which would otherwise affect the damping effect of the shock absorber 1. The air bag 13 and the outer surface of the inner cylinder 5 form a closed space, and air for offsetting the volume change of the shock absorber 1 is separated from oil for generating damping force.

In an embodiment of the present invention, the piston assembly 7 includes a piston 701, a piston transition piece 702 and a lock nut 703, the piston 7 is sleeved on the piston rod 6, and the piston transition piece 702 is disposed at an end of the piston 701 away from an end of the piston rod 6; the locking nut 703 is disposed at an end of the piston 701 close to the piston rod 6, and is used to fix the piston 701 and the piston transition piece 702 on the piston rod 6.

In an embodiment of the present invention, the piston 701 is provided with a plurality of flow valves 704 for the liquid to flow through when the shock absorber 1 is compressed; the piston 701 is further provided with a plurality of extension valves 705 for communicating fluid when the shock absorber 1 is extended.

Referring to fig. 6, in the present embodiment, the piston assembly 7 further includes a flow valve stop 706, a flow valve spring 707, an extension valve stop 708, and an extension valve spring 709. The flow valve flapper 706 is disposed on a side of the piston 701 proximate the piston transition piece 702, and the flow valve spring 707 is disposed between the piston transition piece 702 and the flow valve flapper 706; the extension valve stopper 708 is disposed on a side of the piston 701 close to the lock nut 703, and the extension valve spring 709 is disposed between the lock nut 703 and the extension valve stopper 708.

When the shock absorber 1 is compressed, the flow valve blocking plate 706 moves toward the piston transition piece 702 under the action of oil pressure, the flow valves 704 are opened, oil in the first working cylinder 1101 moves toward the second working cylinder 1102 through the flow valves 704, and the shock absorber 1 is compressed. After the compression of the shock absorber 1 is completed, the flow valve retainer 706 is reset by the flow valve spring 707 to close the flow valves 704.

The shock absorber 1 extends, the extension valve blocking member 708 moves towards the locking nut 703 under the action of oil pressure, the extension valves 705 are opened, oil in the second working cylinder 1102 moves towards the first working cylinder 1101 through the extension valves 705, and the extension of the shock absorber 1 is completed. After the shock absorber 1 is stretched, the stretch valve stopper 708 is reset under the action of the stretch valve spring 709, so as to close the stretch valves 705.

In an embodiment of the present invention, the bottom valve assembly 8 includes a fixing member 801, a connecting member 802 and a working member 803, the fixing member 801 is disposed between the sealing cover 4 and the inner tube 5, the connecting member 802 is disposed in the inner tube 5, and the working member 803 is disposed between the fixing member 801 and the connecting member 802.

In an embodiment of the present invention, the working member 803 is provided with a plurality of compression valves 804 for the liquid to flow through when the shock absorber 1 is compressed; a compensation valve 805 is also provided on the working member 803 for the passage of fluid when the shock absorber 1 is extended.

Referring to fig. 7, in the present embodiment, the base valve assembly 8 further includes a compression valve stop 806, a compression valve spring 807, a compensation valve stop 808, and a compensation valve spring 809. The compression valve baffle 806 is disposed on the side of the working member 803 adjacent to the fixing member 801, and the compression valve spring 807 is disposed between the working member 803 and the fixing member 801; the compensator valve stop 808 is disposed on the side of the working member 803 adjacent to the connecting member 802, and the compensator valve spring 809 is disposed between the connecting member 802 and the working member 803.

The shock absorber 1 is compressed, the compression valve baffle 806 moves towards the fixing piece 801 direction under the action of oil pressure, the compression valves are opened, oil in the first working oil cylinder 1101 moves towards the oil storage oil cylinder 12 through the compression valves 804, and the shock absorber 1 is compressed. After compression of shock absorber 1 is completed, compression valve retainer 806 is reset by compression valve spring 807, closing compression valves 704.

When the shock absorber 1 extends, the compensation valve baffle 808 moves towards the direction of the connecting piece 802 under the action of oil pressure, the compensation valve 805 is opened, oil in the oil storage cylinder 12 moves towards the first working cylinder 1101 through the compensation valve, and the extension of the shock absorber 1 is completed. After the shock absorber 1 is expanded, the compensation valve baffle 808 is reset under the action of the compensation valve spring 809 to close the compensation valve 805.

When the shock absorber is used, the two lock heads 9 are respectively installed at preset positions of a frame and an axle by penetrating screws through the mounting holes 902, the two lock seats 10 are inserted into the corresponding lock heads 9, and the shock absorber 1 is installed between the frame and the axle. When the frame and the axle generate relative motion, the shock absorber 1 also moves along with the relative motion, oil in the shock absorber 1 flows, and the intermolecular friction in the oil forms damping force to the vibration, so that the kinetic energy of the automobile vibration is converted into the intermolecular friction heat in the oil and finally emitted to the atmosphere, and the aim of damping is achieved, thereby improving the driving comfort and ensuring the safety.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A shock absorber and a connecting assembly thereof are characterized by comprising a shock absorber and two connecting assemblies, wherein the two connecting assemblies are respectively arranged at two ends of the shock absorber; the shock absorber comprises an outer cylinder, a closed cover, an inner cylinder, a piston rod, a piston assembly and a bottom valve assembly; the outer cylinder is connected with the closed cover, the inner cylinder is arranged in the outer cylinder, the piston rod is arranged in the inner cylinder and connected with the piston assembly, and the bottom valve assembly is arranged between the inner cylinder and the closed cover; the two connecting assemblies comprise two lock heads and two lock seats, one lock seat is arranged outside the outer cylinder and connected with the piston rod, and the other lock seat is arranged outside the closed cover; the two lock heads can be respectively installed in the vehicle, and the two lock seats are respectively inserted into the two corresponding lock heads to be locked.

2. The shock absorber and its associated assembly of claim 1, wherein said cylinder sidewall defines a plurality of first locking rings and a plurality of second locking rings, said plurality of first locking rings being closer to said cylinder top than said plurality of second locking rings.

3. A shock absorber and its connecting assembly as claimed in claim 2, wherein each first locking ring has a first locking catch, each locking seat has a plurality of locking bars at the top, and each first locking catch is engaged with the corresponding locking bar to lock each locking head with the corresponding locking seat at one time.

4. The damper and the connecting assembly thereof as claimed in claim 2, wherein each second locking ring is provided with a second locking catch, each locking seat is provided with a plurality of locking holes on the side wall, each second locking catch is matched with the corresponding locking hole to lock each locking head with the corresponding locking seat for a second time.

5. The vibration damper and the connecting assembly thereof as claimed in claim 1, wherein each locking head is provided at a bottom thereof with a mounting portion, each mounting portion is provided with a plurality of mounting holes, and each locking head is mounted in the vehicle through the corresponding mounting portion.

6. A shock absorber and its associated assembly as set forth in claim 1, wherein said inner sleeve is provided with a bladder for separating gas from liquid.

7. A shock absorber and its associated assembly as claimed in claim 1 wherein, the piston assembly includes a piston, a piston transition piece and a lock nut, the piston is sleeved on the piston rod, the piston transition piece is arranged at one end of the piston far from the end of the piston rod; the locking nut is arranged at one end, close to the piston rod, of the piston and used for fixing the piston and the piston transition piece on the piston rod.

8. A shock absorber and its connecting assembly as set forth in claim 7, wherein said piston is provided with a plurality of flow valves for fluid flow during compression of said shock absorber; the piston is also provided with a plurality of extension valves for liquid circulation when the shock absorber extends.

9. A shock absorber and its associated assembly as set forth in claim 1 wherein said base valve assembly includes a mounting member disposed between said closure and inner cylinder, a connecting member disposed within said inner cylinder, and an operating member disposed between said mounting member and connecting member.

10. A shock absorber and its connecting assembly as claimed in claim 9, wherein said operating member is provided with compression valves for fluid communication during compression of said shock absorber; the workpiece is also provided with a hole for the liquid flows when the shock absorber extends.