CN217977170U - Front shock absorber with upper spring and lower spring - Google Patents

Abstract

The utility model discloses a preceding bumper shock absorber of upper and lower double spring relates to the bumper shock absorber field, including end section of thick bamboo, the inside sliding connection of end section of thick bamboo has preceding breeches pipe, and the inside sliding connection of preceding breeches pipe has one end to extend the damping rod of preceding breeches pipe tail end, the damping rod extends the one end of preceding breeches pipe and the inside end connection of end section of thick bamboo, the head end of damping rod be connected with preceding breeches pipe inner wall complex piston ring, the head end of piston ring is connected with second damping spring, and second damping spring's the other end be connected with preceding breeches pipe sliding connection's spacer ring, the other end of spacer ring is connected with first damping spring. The utility model discloses a breeches pipe wall sliding connection space ring in the front connects first damping spring and second damping spring respectively at space ring both ends, and first damping spring through different intensity can make the rebound velocity of spring more steady with second damping spring, and the piston cooperation damping oil of being convenient for absorbs the power of vibrations, and the shock attenuation effect is better.

Description

Front shock absorber with upper spring and lower spring

Technical Field

The utility model relates to a bumper shock absorber field specifically is a preceding bumper shock absorber of upper and lower double spring.

Background

The shock absorber can reduce the vibration frequency of the vehicle in the running process as an important part in the running process of the vehicle, so that the running of the vehicle is more stable, the vehicle using the shock absorber can enable a driver to feel better in driving, and the vehicle can be driven for a long time.

The existing shock absorber adopts a spring to cooperate with a damping rod, a piston block and damping oil to absorb shock and absorb energy.

The shock absorber spring is generally in a semi-compressed state in a normal state, but if the force suddenly applied to the spring is larger than the force which can be borne by the spring, the spring is in a limit compressed state, the movement speed during rebound is high, the force which is difficult to absorb shock is caused, and the shock absorption effect is not ideal.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a preceding bumper shock absorber of upper and lower double spring to solve the not ideal enough technical problem of current bumper shock absorber shock attenuation effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a preceding bumper shock absorber of upper and lower dual-spring, includes end section of thick bamboo, the inside sliding connection of end section of thick bamboo has preceding breeches pipe, and the inside sliding connection of preceding breeches pipe has one end to extend the damping rod of preceding breeches pipe tail end, the damping rod extends the one end of preceding breeches pipe and the inside trailing end connection of end section of thick bamboo, the head end of damping rod be connected with preceding breeches pipe inner wall complex piston ring, the head end of piston ring is connected with second damping spring, and second damping spring's the other end be connected with preceding breeches pipe sliding connection's spacer, the other end of spacer is connected with first damping spring, the trailing end connection of piston ring has the buffering spring.

By adopting the technical scheme, the damping oil is extruded by the reciprocating motion of the piston ring, the force for damping and absorbing vibration can be generated, the first damping spring and the second damping spring are matched to filter the vibration received by the front fork tube, and the buffer spring can offset part of vibration.

The utility model discloses further set up to, the inside tail end of end section of thick bamboo be provided with damping rod complex pole socket, and the inside tail end of end section of thick bamboo be located the pole socket in the middle of threaded connection have with damping rod complex socket head cap screw.

Through adopting above-mentioned technical scheme, the pole socket can lead to the damping rod, connects the damping rod through hexagon socket head cap screw, can be convenient for damping rod's dismouting.

The utility model discloses further set up to, be provided with the gasket between damping rod and the end section of thick bamboo.

Through adopting above-mentioned technical scheme, the gasket can make and seal more between damping rod and the end section of thick bamboo.

The utility model discloses further set up to, the inside head end of end section of thick bamboo be provided with preceding breeches pipe complex oil blanket, and the inside head end of end section of thick bamboo be provided with oil blanket complex jump ring.

Through adopting above-mentioned technical scheme, the oil blanket can prevent the oil leak of end section of thick bamboo, and the oil blanket can be fixed to the jump ring.

The utility model discloses further set up to, the head end of end section of thick bamboo is provided with the shield.

Through adopting above-mentioned technical scheme, the shield can prevent that the dust from getting into end section of thick bamboo.

The utility model discloses further set up to, the vexed head can be dismantled and be connected with to the head end of front fork pipe.

Through adopting above-mentioned technical scheme, the vexed head can seal the head end of front fork pipe.

The utility model discloses further set up to, the tail end of end section of thick bamboo is provided with the connecting hole.

By adopting the technical scheme, the connecting hole can facilitate the connection of the device and other parts.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses a breeches pipe wall sliding connection space ring in the front connects first damping spring and second damping spring respectively at space ring both ends, and first damping spring through different intensity can make the rebound velocity of spring more steady with second damping spring, and the power of the piston cooperation damping oil absorption vibrations of being convenient for, and the shock attenuation effect is better.

Drawings

Fig. 1 is a partial cross-sectional view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a bottom cylinder; 2. a rod seat; 3. a front fork tube; 4. a damping rod; 5. a first damping spring; 6. a second damping spring; 7. a space ring; 8. a piston ring; 9. oil sealing; 10. a clamp spring; 11. a dust cover; 12. a gasket; 13. a socket head cap screw; 14. a choke plug; 15. an O-shaped ring; 16. connecting holes; 17. a buffer spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

A front shock absorber with upper and lower double springs is disclosed, as shown in fig. 1-3, and comprises a bottom barrel 1, wherein a front fork tube 3 is slidably connected inside the bottom barrel 1, a damping rod 4 with one end extending out of the tail end of the front fork tube 3 is slidably connected inside the front fork tube 3, one end of the damping rod 4 extending out of the front fork tube 3 is connected with the tail end inside the bottom barrel 1, a space ring 7 is slidably connected inside the front fork tube 3, two ends of the space ring 7 are respectively connected with a first damping spring 5 and a second damping spring 6, the first damping spring 5 and the second damping spring 6 are matched to filter the shock received by the front fork tube 3 and reduce the force transmitted to the bottom barrel 1, the head end of the damping rod 4 is connected with a piston ring 8 matched with the inner wall of the front fork tube 3, the piston ring 8 can be driven by the first damping spring 5 and the second damping spring 6 to reciprocate to extrude damping oil to absorb the shock force, the shock, the tail end of the piston ring 8 is connected with a buffer spring 17, and can be stretched when the first damping spring 5 and the second damping spring 6 are compressed to offset a part of the shock.

On the basis of the above structure, in this embodiment, as shown in fig. 1, the tail end inside the bottom tube 1 is provided with the rod base 2 matched with the damping rod 4, the tail end inside the bottom tube 1 is located in the middle of the rod base 2, the thread is connected with the socket head cap screw 13 matched with the damping rod 4, the damping rod 4 is connected through the socket head cap screw 13, the damping rod 4 can be conveniently dismounted, the rod base 2 can guide the damping rod 4, and the damping rod 4 is conveniently aligned with the socket head cap screw 13 when being mounted.

In addition to the above structure, in the present embodiment, as shown in fig. 1, a gasket 12 is provided between the damper rod 4 and the bottom tube 1 to prevent oil leakage at the joint between the damper rod 4 and the bottom tube 1.

Wherein, the material of gasket 12 is copper, and the gasket 12 of copper material can be extruded by damping rod 4 when installation damping rod 4 and more laminate damping rod 4 and end section of thick bamboo 1, and the leakproofness is better.

On the basis of the above structure, in this embodiment, as shown in fig. 1, the head end inside the bottom tube 1 is provided with the oil seal 9 matched with the front fork 3, and the head end inside the bottom tube 1 is provided with the snap spring 10 matched with the oil seal 9.

In order to prevent the snap spring 10 from scratching the front fork tube 3, the snap spring 10 is an ultra-smooth snap spring.

On the basis of the above structure, in this embodiment, as shown in fig. 1 to 3, the dust cap 11 is disposed at the head end of the bottom tube 1, so as to prevent dust from entering the bottom tube 1, so that the friction between the front fork 3 and the bottom tube 1 is increased, and the service life of the device is reduced.

On the basis of the above structure, in the present embodiment, as shown in fig. 1 and fig. 2, the bulkhead 14 is detachably connected to the head end of the front fork 3, so that the front fork 3 can be sealed, and the position of the end of the first damping spring 5 can be limited.

In order to further improve the sealing performance between the choke plug 14 and the front fork 3, an O-shaped ring 15 is sleeved between the choke plug 14 and the front fork 3.

On the basis of the above structure, in the present embodiment, as shown in fig. 1 and fig. 3, the tail end of the bottom tube 1 is provided with a connection hole 16 to facilitate the installation of the device.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims (7)

1. The utility model provides a preceding bumper shock absorber of two springs from top to bottom, includes end section of thick bamboo (1), its characterized in that: bottom tube (1) inside sliding connection has preceding breeches pipe (3), and preceding breeches pipe (3) inside sliding connection has damping rod (4), the one end of damping rod (4) and the inside trailing end connection of bottom tube (1), the head end of damping rod (4) be connected with preceding breeches pipe (3) inner wall complex piston ring (8), the head end of piston ring (8) is connected with second damping spring (6), and the other end of second damping spring (6) be connected with preceding breeches pipe (3) sliding connection's spacer ring (7), the other end of spacer ring (7) is connected with first damping spring (5), the trailing end connection of piston ring (8) has buffer spring (17).

2. The front shock absorber with upper and lower double springs as claimed in claim 1, wherein: the tail end in the bottom barrel (1) is provided with a rod seat (2) matched with the damping rod (4), and the tail end in the bottom barrel (1) is positioned in the middle of the rod seat (2) and is in threaded connection with an inner hexagon screw (13) matched with the damping rod (4).

3. The front shock absorber with upper and lower double springs as claimed in claim 2, wherein: and a gasket (12) is arranged between the damping rod (4) and the bottom cylinder (1).

4. The front shock absorber with upper and lower double springs as claimed in claim 1, wherein: the inner head end of the bottom barrel (1) is provided with an oil seal (9) matched with the front fork tube (3), and the inner head end of the bottom barrel (1) is provided with a clamp spring (10) matched with the oil seal (9).

5. The front shock absorber with upper and lower double springs as claimed in claim 1, wherein: the head end of the bottom barrel (1) is provided with a dust cover (11).

6. The front shock absorber with upper and lower double springs as claimed in claim 1, wherein: the head end of the front fork tube (3) is detachably connected with a choke plug (14), and an O-shaped ring (15) is sleeved between the choke plug (14) and the front fork tube (3).

7. The front shock absorber with upper and lower double springs as claimed in claim 1, wherein: the tail end of the bottom barrel (1) is provided with a connecting hole (16).

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