CN209818627U

CN209818627U - Shock absorber capable of adjusting spring pressure

Info

Publication number: CN209818627U
Application number: CN201920466300.7U
Authority: CN
Inventors: 吴任贤
Original assignee: NINGBO BAIFU AUTO PARTS Co Ltd
Current assignee: NINGBO BAIFU AUTO PARTS Co Ltd
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2019-12-20
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses a shock absorber capable of adjusting spring pressure, which comprises an oil cylinder, a connecting rod, a first spring seat, a dust cover and a buffer block, a limiting sleeve is sleeved on the outer part of the oil cylinder shell and comprises an upper sleeve and a lower sleeve, one side of the upper sleeve is hinged with one side of the lower sleeve through a first rotating shaft, the other side of the upper sleeve is matched with the other side of the lower sleeve through locking, the upper sleeve and the lower sleeve are respectively provided with a sliding groove, the limiting sleeve is externally provided with a detachable fixed sleeve, the fixed sleeve comprises an upper half cylinder and a lower half cylinder, one side of the upper half cylinder and one side of the lower half cylinder are hinged through a second rotating shaft, the other side of the upper half cylinder and the other side of the lower half cylinder are provided with a first silica gel baffle plate, the lower half cylinder body is provided with an avoiding groove, the inner sides of the upper half cylinder body and the lower half cylinder body are both provided with slide blocks, an upper half support is arranged on one side of the upper half cylinder body, and a lower half support is arranged on one side of the lower half cylinder body. The structure is suitable for different oil cylinder size requirements, and meanwhile, the spring pressure can be adjusted according to needs.

Description

Shock absorber capable of adjusting spring pressure

Technical Field

The utility model relates to a technical field of bumper shock absorber, especially a spring pressure adjustable bumper shock absorber.

Background

The shock absorber is required to absorb the shock caused by the wheel encountering the rough road surface, so that the riding is comfortable because the spring cannot be stabilized immediately, namely, after the spring is compressed and released, the spring can extend and contract for a period of time. But present conventional bumper shock absorber spring in case fix its elasticity can not be adjusted, lead to unable and the vehicle between form better matching degree, consequently some producers have just set up some detectors that can adjust the spring elasticity, generally the spacing platform of spring that directly sets up different positions on the body limits, and structure in addition leads to all needing to set up the spacing boss of spring to the bumper shock absorber of difference easily, lead to the bumper shock absorber to different products and need set up different die sinking moulds, finally lead to the processing cost to improve, and the adaptability effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the deficiencies of the prior art and providing a shock absorber that can be fit for different dimensional requirements uses, can adjust the spring elasticity's of spring pressure's shock absorber as required simultaneously.

In order to achieve the purpose, the utility model relates to a shock absorber capable of adjusting spring pressure, which comprises an oil cylinder and a damping spring, wherein the connecting rod part in the oil cylinder extends out of the oil cylinder and is connected with a first spring seat at the end part thereof, a dust cover and a buffer block are sleeved outside the connecting rod extending out of the oil cylinder, one end of the dust cover is abutted with the outer wall of the oil cylinder, the other end of the dust cover is abutted with the buffer block, and the other end of the buffer block is abutted with the first spring seat, and is characterized in that a detachable limiting sleeve is sleeved outside the oil cylinder shell and comprises an upper sleeve with a large half and a lower sleeve with a small half, one side of the upper sleeve is hinged with one side of the lower sleeve through a first rotating shaft, the other side of the upper sleeve and the lower sleeve are both provided with a first silica gel baffle plate with a through hole, the upper sleeve and the lower sleeve are both provided with a sliding, the utility model discloses a damping spring, including first side barrel and second side barrel, the fixed sleeve includes first side barrel and second side barrel, first side barrel and one side of second side barrel are articulated through the second pivot, first side barrel and second side barrel's opposite side all are equipped with the second baffle of a band-pass hole, cooperate through second screw and second nut between two second baffles, and be equipped with the logical groove of dodging that is used for alternating two first silica gel baffles on first side barrel down, all be equipped with and correspond spout complex slider in first side barrel and second side barrel inboard, be equipped with first side support in one side of first side barrel, be equipped with first side support complex second side support in one side of second side barrel, first side support and second side support cooperation are used for limiting spring's second spring holder, and damping spring blocks between second spring holder and first spring holder.

Further, for the convenience of fixing, the top connection has the protecting cover between the buffer block other end and the first spring holder, the inside buffer block that is used for blocking of protecting cover one end, the protecting cover other end is fixed with first spring holder.

Further, for the convenience of limiting, a limiting column is arranged on the right side of the sliding groove.

Further, in order to improve the fixing effect, a silica gel layer is arranged in a circular groove hole formed by matching the upper sleeve with the lower sleeve, and an inner ring of the silica gel layer is provided with a silica gel rack.

Further, in order to facilitate limiting, first spring limiting grooves are formed in the upper portion and the lower portion of the first spring seat.

Furthermore, in order to facilitate limiting, a second spring limiting groove and a limiting strip extending outwards are arranged above and below the second spring seat.

The utility model provides a but shock absorber of adjustable spring pressure realizes adjusting damping spring's elasticity as required, also can install the adjusting part who selects the spring elasticity in addition in the size of different bumper shock absorbers, finally realizes that a mould just can produce the spring limit structure who is fit for different bumper shock absorbers dimensional requirement, final reduce cost.

Drawings

FIG. 1 is a schematic view showing a structure of a shock absorber capable of adjusting a spring pressure in embodiment 1;

FIG. 2 is a schematic structural view of a spacing sleeve in embodiment 1;

FIG. 3 is a structural front view of a fixing sleeve in embodiment 1;

FIG. 4 is a side view of the fixing sleeve in embodiment 1;

fig. 5 is a schematic structural view of a spacing sleeve in embodiment 2.

In the drawings: the oil cylinder 1, a first spring seat 2, a connecting rod 3, a dust cover 4, a buffer block 5, a limiting sleeve 6, an upper sleeve 7, a lower sleeve 8, a first silica gel baffle 9, a fixed sleeve 12, an upper half cylinder 13, a lower half cylinder 14, a second rotating shaft 15, a second baffle 16, a second screw 17, a second nut 18, a sliding block 19, a sliding groove 20, an upper half support 21, a lower half support 22, a second spring seat 23, a protective cover 24, a limiting column 25, a silica gel layer 26, a silica gel rack 27, a first spring limiting groove 28, a second spring limiting groove 29, a limiting strip 30, a first rotating shaft 31, an avoiding through groove 32 and a damping spring 33.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in fig. 1-4, the shock absorber capable of adjusting spring pressure provided in this embodiment includes an oil cylinder 1 and a damping spring 33, a part of a connecting rod 3 in the oil cylinder 1 extends out of the oil cylinder 1 and is connected with a first spring seat 2 at an end thereof, a dust cover 4 and a buffer block 5 are sleeved outside the connecting rod 3 extending out of the oil cylinder 1, one end of the dust cover 4 abuts against an outer wall of the oil cylinder 1, the other end of the dust cover 4 abuts against the buffer block 5, the other end of the buffer block 5 abuts against the first spring seat 2, a detachable limit sleeve 6 is sleeved outside a housing of the oil cylinder 1, the limit sleeve 6 includes an upper sleeve 7 with a large half and a lower sleeve 8 with a small half, one side of the upper sleeve 7 and one side of the lower sleeve 8 are hinged through a first rotating shaft 31, the other side of the upper sleeve 7 and the lower sleeve 8 are both provided with a first silica gel baffle 9 with a through hole, the upper sleeve 7 and the lower sleeve 8 are both provided, a detachable fixing sleeve 12 is arranged outside the limiting sleeve 6, the fixing sleeve 12 comprises an upper half barrel 13 and a lower half barrel 14, one side of the upper half barrel 13 and one side of the lower half barrel 14 are hinged through a second rotating shaft 15, the other side of the upper half barrel 13 and the other side of the lower half barrel 14 are respectively provided with a second baffle 16 with a through hole, the two second baffles 16 are matched through a second screw 17 and a second nut 18, the lower half barrel 14 is provided with an avoidance through groove 32 for inserting two first silica gel baffles 9, the inner sides of the upper half barrel 13 and the lower half barrel 14 are respectively provided with a slide block 19 matched with a corresponding slide groove 20, one side of the upper half barrel 13 is provided with an upper half bracket 21, one side of the lower half barrel 14 is provided with a lower half bracket 22 matched with the upper half bracket 21, the upper half bracket 21 and the lower half bracket 22 are matched with a second spring seat 23 for the limiting spring, the damping spring 33 is clamped between the second spring seat 23 and the first spring seat 2, and the avoiding through groove 32 is a structure of the avoiding through groove 32 which can provide the two first silica gel baffles 9 with the sliding when the sliding block 19 slides in the sliding groove 20.

Further, for the convenience of fixing, the top connection has protecting cover 24 between 5 other ends of buffer block and first spring holder 2, 24 one end inside is used for blocking buffer block 5, and the 24 other ends of protecting cover are fixed with first spring holder 2.

Further, in order to facilitate the limiting, a limiting column 25 is disposed on the right side of the sliding groove 20.

Further, in order to facilitate the position limitation, first spring position limitation grooves 28 are formed above and below the first spring seat 2.

Further, for the convenience of limiting, the upper and lower parts of the second spring seat 23 are provided with second spring limiting grooves 29 and outwards extending limiting strips 30, the limiting effect can be improved through the second spring limiting grooves 29 and the outwards extending limiting strips 30, the spring is prevented from being separated, and the damping effect is reduced.

When the oil cylinder is in operation, firstly, the damping spring 33 is sleeved outside the dust cover 4, one end of the damping spring 33 is pressed against the first spring limiting groove 28 of the first spring seat 2, then, according to the size of the shell of the oil cylinder 1 and under the action of the first rotating shaft 31, the center size of a through hole formed by matching the upper sleeve 7 and the lower sleeve 8 is adjusted, then, the sliding block 19 below the lower half cylinder 14 is firstly clamped in the sliding groove 20 of the lower sleeve 8, the two first silica gel baffle plates 9 are clamped in the avoiding through groove 32, then, the distance between the lower half cylinder 14 and the first spring seat 2 is moved according to needs, after the determination, the sliding block 19 on the upper half support 21 is clamped in the corresponding sliding groove 20 on the upper sleeve 7, then, the other end of the damping spring 33 is positioned in the second spring limiting groove 29 of the second spring seat 23, and finally, the upper sleeve 7 and the lower sleeve 8 on the outer side and the limiting sleeve 6 on the inner side are limited and fixed by matching the second screw 17 and the second nut 1, consequently through above-mentioned structural design, realize adjusting damping spring 33's elasticity as required, also can install the adjusting part who selects the spring elasticity in the size of different bumper shock absorbers in addition, finally realize that a mould just can produce the spring limit structure who is fit for different bumper shock absorber dimensional requirement, final reduce cost.

Example 2:

as shown in fig. 5, in the damper capable of adjusting spring pressure according to this embodiment, in order to improve the fixing effect, a silica gel layer 26 is disposed in a circular slot formed by matching the upper sleeve 7 and the lower sleeve 8, an inner ring of the silica gel layer 26 is provided with a silica gel rack 27, and the silica gel layer 26 is utilized to improve the friction force of the contact surface through the above structure, so as to improve the fixing effect.

Claims

1. The shock absorber capable of adjusting the spring pressure comprises an oil cylinder (1) and a damping spring (33), wherein a connecting rod (3) in the oil cylinder (1) partially extends out of the oil cylinder (1) and is connected with a first spring seat (2) at the end part of the oil cylinder, a dust cover (4) and a buffer block (5) are sleeved outside the connecting rod (3) extending out of the oil cylinder (1), one end of the dust cover (4) is abutted to the outer wall of the oil cylinder (1), the other end of the dust cover (4) is abutted to the buffer block (5), the other end of the buffer block (5) is abutted to the first spring seat (2), the shock absorber is characterized in that a detachable limiting sleeve (6) is sleeved outside a shell of the oil cylinder (1), the limiting sleeve (6) comprises an upper sleeve (7) on a large half side and a lower sleeve (8) on a small half side, and one side of the upper sleeve (7) and one side of the lower sleeve (8) are, the other sides of the upper sleeve (7) and the lower sleeve (8) are respectively provided with a first silica gel baffle (9) with a through hole, the upper sleeve (7) and the lower sleeve (8) are respectively provided with a sliding groove (20), the outside of the limiting sleeve (6) is provided with a detachable fixing sleeve (12), the fixing sleeve (12) comprises an upper half barrel (13) and a lower half barrel (14), one sides of the upper half barrel (13) and the lower half barrel (14) are hinged through a second rotating shaft (15), the other sides of the upper half barrel (13) and the lower half barrel (14) are respectively provided with a second baffle (16) with a through hole, the two second baffles (16) are matched through a second screw (17) and a second nut (18), and the lower half barrel (14) is provided with an avoiding through groove (32) for penetrating through the two first silica gel baffles (9), last half barrel (13) and lower half barrel (14) inboard all be equipped with correspond spout (20) complex slider (19), be equipped with upper half support (21) in one side of last half barrel (13), be equipped with in one side of lower half barrel (14) with upper half support (21) complex lower half support (22), upper half support (21) and lower half support (22) cooperation are used for spacing spring's second spring holder (23), and damping spring (33) card is between second spring holder (23) and first spring holder (2).

2. The shock absorber capable of adjusting the spring pressure as claimed in claim 1, wherein a protecting cover (24) is connected between the other end of the buffering block (5) and the first spring seat (2), the buffering block (5) is clamped inside one end of the protecting cover (24), and the other end of the protecting cover (24) is fixed with the first spring seat (2).

3. A shock absorber with adjustable spring pressure according to claim 1 or 2, wherein a limit post (25) is provided on the right side of the slide groove (20).

4. The shock absorber capable of adjusting the spring pressure according to claim 1 or 2, wherein a silicone layer (26) is arranged in a circular slot formed by matching the upper sleeve (7) and the lower sleeve (8), and a silicone rack (27) is arranged on an inner ring of the silicone layer (26).

5. An adjustable spring pressure shock absorber as claimed in claim 1 or 2, wherein first spring retaining recesses (28) are provided above and below the first spring seat (2).

6. An adjustable spring pressure shock absorber as claimed in claim 1 or 2, wherein second spring retaining grooves (29) and outwardly extending retaining strips (30) are provided above and below the second spring seat (23).