CN219605926U - Reset type hydraulic buffer shock absorber - Google Patents

Abstract

The utility model belongs to the technical field of shock absorbers, in particular to a reset type hydraulic buffer shock absorber which comprises a hydraulic shock absorber, wherein a shock absorbing spring is sleeved on the outer ring of the hydraulic shock absorber, a bolt is fixed on the top of the hydraulic shock absorber, an upper spring pad is sleeved on the upper end of the hydraulic shock absorber, the upper spring pad is positioned at the upper end of the shock absorbing spring, a fixing seat is fixed on the outer wall of the bolt, a ring sleeve is sleeved on the outer ring of the bolt, the problems that the shock absorbing spring on the hydraulic shock absorber is limited by the lower spring pad and the upper spring pad, then a top rubber is placed on the upper spring pad, and finally a nut is sleeved on the bolt on the top of the hydraulic shock absorber are solved, so that the shock absorbing spring is fixed on the shock absorber.

Description

Reset type hydraulic buffer shock absorber

Technical Field

The utility model belongs to the technical field of shock absorbers, and particularly relates to a reset type hydraulic buffer shock absorber.

Background

The built-in buffer type shock absorber is easy and convenient to process and manufacture due to the good buffer effect, has high cost performance and is deeply favored by customers. In general, the buffer device in the buffer type shock absorber mostly adopts a small compression spring added in the buffer cavity cylinder and is matched with a plastic buffer pad and a limiting ring to play a role in buffering;

through investigation publication (bulletin) number: CN202222408952.X discloses a reset hydraulic buffer shock absorber, disclosed in this technology, "reset hydraulic buffer shock absorber, including the device body, the device body includes sleeve pipe and piston rod, the inside cavity that is equipped with of sleeve pipe, the inside symmetry of cavity is equipped with the baffle that installs, the baffle is equipped with two sets ofly, the inside oil storage chamber that is equipped with of cavity, cavity movable mounting has the second reset spring, threaded hole has been seted up to sleeve pipe one end, sleeve pipe one end gomphosis is installed the piston rod, piston rod one end stretches into the sleeve pipe is inside, piston rod one end installs the piston, the outer wall symmetry of piston has seted up technical scheme such as through-hole," the setting of second reset spring can replace the effect of hydraulic oil after hydraulic oil leaks, can ensure the damping of shock absorber equally, avoid the shock absorber to take place the condition that violently collides and lead to the damage of internal part for a long time, reduce the influence to the outside reset spring of shock absorber, prolonged technical effects such as life of shock absorber effectively;

however, the damping spring on the hydraulic damper is limited by the lower spring pad and the upper spring pad, the upper spring pad is subjected to top glue placement, and finally the nut is sleeved on the bolt at the top of the hydraulic damper, so that the damping spring is fixed on the damper, and as a plurality of components are fixed by only one nut, the nut and the bolt are connected in the long-term use process, especially under the condition of long-term vibration, loosening and even falling can be caused due to mechanical vibration, so that potential safety hazards exist.

In order to solve the above problems, the present utility model provides a reset hydraulic buffer shock absorber.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a reset type hydraulic buffer shock absorber, which has the characteristics that the installation mode of a damping spring on the shock absorber is similar to that of the conventional shock absorber, the damping spring is fixed through nuts, but after the nuts are screwed, a pin head is driven to be inserted into a pin hole on a jacking rubber, the jacking rubber is reinforced, and the limiting of the damping spring is firmer.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic shock absorber that resets, includes hydraulic shock absorber, hydraulic shock absorber's outer lane cover is equipped with damping spring, hydraulic shock absorber's top is fixed with the bolt, hydraulic shock absorber's upper end cover is equipped with the spring pad, and goes up the spring pad and be located damping spring's upper end, the outer wall of bolt is fixed with the fixing base, the outer lane cover of bolt is equipped with the ring cover, and the ring cover is located the inside of fixing base, the bottom of ring cover is fixed with four leading truck, the chute has been seted up to the inside of leading truck, the leading truck has the cotter head through chute sliding connection, the outer lane cover of fixing base is equipped with the top glue, four pinholes with cotter head looks adaptation have been seted up to the upper end inner wall of top glue, the outer wall threaded connection of bolt has the nut.

As a preferable technical scheme of the reset hydraulic buffer shock absorber, the outer ring of the bolt is sleeved with the sealing sleeve, and the sealing sleeve is positioned between the ring sleeve and the nut.

As an optimal technical scheme of the reset type hydraulic buffer shock absorber, the outer wall of the bolt is sleeved with the telescopic spring, and the telescopic spring is positioned between the ring sleeve and the fixed seat.

As a preferable technical scheme of the reset type hydraulic buffer shock absorber, the inner end of the pin head is provided with a notch.

As a preferable technical scheme of the reset type hydraulic buffer shock absorber, the inclined groove formed in the guide frame and the included angle between the bolt are forty-five degrees.

As a preferable technical scheme of the reset type hydraulic buffer shock absorber, the pin head is in sliding connection with the fixed seat.

Compared with the prior art, the utility model has the beneficial effects that: after the damping spring 2 is sleeved on the hydraulic damper 1, the top rubber 11 is sleeved on the outer wall of the fixed seat 5, the sealing sleeve 13 is sleeved on the outer ring of the bolt 3, and finally the nut 14 is sleeved on the bolt 3 and is screwed down, so that the nut 14 pushes the sealing sleeve 13 to be inserted into the fixed seat 5 downwards, meanwhile, the sealing sleeve 13 pushes the ring sleeve 6 to drive the guide frame 7 to move downwards, the guide frame 7 drives the pin head 9 to extend outwards through the chute 8, and when the pin head 9 extends out of the fixed seat 5 and is inserted into the pin hole 12 on the top rubber 11, the top rubber 11 is further fixed, and the top rubber 11 is fixed more firmly and stably.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a three-dimensional assembly structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic view of the structure of the part A in FIG. 3 according to the present utility model;

FIG. 5 is a schematic view of the structure of the loop of the present utility model;

in the figure: 1. a hydraulic shock absorber; 2. a damping spring; 3. a bolt; 4. a spring pad is arranged; 5. a fixing seat; 6. a ring sleeve; 7. a guide frame; 8. a chute; 9. a pin head; 10. a notch; 11. performing glue ejection; 12. a pin hole; 13. sealing sleeve; 14. a nut; 15. and a telescopic spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a reset type hydraulic buffer shock absorber, including hydraulic shock absorber 1, hydraulic shock absorber 1's outer lane cover is equipped with damping spring 2, hydraulic shock absorber 1's top is fixed with bolt 3, hydraulic shock absorber 1's upper end cover is equipped with spring pad 4, and go up spring pad 4 and be located damping spring 2's upper end, bolt 3's outer wall is fixed with fixing base 5, bolt 3's outer lane cover is equipped with ring cover 6, and ring cover 6 is located fixing base 5's inside, ring cover 6's bottom is fixed with four leading truck 7, chute 8 has been seted up to leading truck 7's inside, leading truck 7 has the round pin head 9 through chute 8 sliding connection, fixing base 5's outer lane cover is equipped with top rubber 11, top rubber 11's upper end inner wall has seted up four pin holes 12 with round pin head 9 looks adaptation, bolt 3's outer wall threaded connection has nut 14, in this embodiment, after putting damping spring 2 on hydraulic shock absorber 1, again with top rubber 11 cover establish at fixing base 5 outer wall, then with seal cover 13 cover at bolt 3 outer lane, at nut 14 cover, finally, and the bottom is fixed up the top rubber 13 is fixed to the inside of leading truck 7 through the top rubber 13, make the inside is driven down to the top rubber cover 9 and is fixed to the top rubber 13, and the inside is driven down, and the top rubber cover is fixed to the top rubber 13 is fixed to the top rubber head 9, and is fixed to the inside the top rubber cover is more stable, and the top rubber 13 is fixed to the top down.

Specifically, the outer race cover of bolt 3 is equipped with seal cover 13, and seal cover 13 is located between ring cover 6 and nut 14, makes the inside of fixing base 5 through seal cover 13 after the installation in this embodiment sealed, avoids dust or earth entering during the use.

Specifically, the outer wall cover of bolt 3 is equipped with extension spring 15, and extension spring 15 is located between ring cover 6 and fixing base 5, when need dismantle change or maintenance damping spring 2 in this embodiment, unscrew take off nut 14 and seal cover 13 after, through the pressure push ring cover 6 upward movement that extension spring 15 kick-backed, ring cover 6 drives the inwards shrink of pin head 9 through leading truck 7 cooperation chute 8 for pin head 9 breaks away from pinhole 12 and receive the inside of fixing base 5, and then can take off damping spring 2 again after removing top glue 11.

Specifically, the inner end of the pin head 9 is provided with a notch 10, which avoids the interference between the pin head 9 and the guide frame 7 in the moving process.

Specifically, the included angle between the chute 8 formed in the guide frame 7 and the bolt 3 is forty-five degrees, and in this embodiment, the pin head 9 can be driven to move left and right by the chute 8 when the guide frame 7 moves up and down.

Specifically, the pin head 9 is slidably connected with the fixed seat 5, so that the fixed seat 5 horizontally slides along the inside of the pin head 9 when moving in this embodiment.

The working principle and the using flow of the utility model are as follows: when the damping spring 2 is sleeved on the hydraulic damper 1, the top rubber 11 is sleeved on the outer wall of the fixed seat 5, the sealing sleeve 13 is sleeved on the outer ring of the bolt 3, and finally the nut 14 is sleeved on the bolt 3 and screwed down, so that the nut 14 pushes the sealing sleeve 13 to be inserted into the fixed seat 5 downwards, meanwhile, the sealing sleeve 13 pushes the ring sleeve 6 to drive the guide frame 7 to move downwards, the guide frame 7 drives the pin head 9 to extend outwards through the chute 8, and when the pin head 9 extends out of the fixed seat 5 and is inserted into the pin hole 12 on the top rubber 11, the top rubber 11 is further fixed, and the fixation of the top rubber 11 is more firm and stable; when the damping spring 2 needs to be disassembled and replaced or maintained, after the nut 14 and the sealing sleeve 13 are unscrewed and removed, the ring sleeve 6 is pushed to move upwards by the rebound pressure of the telescopic spring 15, the ring sleeve 6 drives the pin head 9 to shrink inwards by the guide frame 7 matched with the chute 8, the pin head 9 is separated from the pin hole 12 and is retracted into the fixing seat 5, and then the damping spring 2 can be removed after the top rubber 11 is disassembled.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a hydraulic buffering bumper shock absorber resets, includes hydraulic shock absorber (1), its characterized in that: the outer lane cover of hydraulic shock absorber (1) is equipped with damping spring (2), the top of hydraulic shock absorber (1) is fixed with bolt (3), the upper end cover of hydraulic shock absorber (1) is equipped with spring pad (4), and goes up spring pad (4) and be located damping spring (2)'s upper end, the outer wall of bolt (3) is fixed with fixing base (5), the outer lane cover of bolt (3) is equipped with ring cover (6), and ring cover (6) are located fixing base (5) inside, the bottom of ring cover (6) is fixed with four leading truck (7), chute (8) have been seted up to the inside of leading truck (7), leading truck (7) have cotter head (9) through chute (8) sliding connection, the outer lane cover of fixing base (5) is equipped with top glue (11), four pinhole (12) with cotter head (9) looks adaptation are seted up to the upper end inner wall of top glue (11), the outer wall threaded connection of bolt (3) has nut (14).

2. A reset hydraulic buffer shock absorber according to claim 1, wherein: the outer ring of the bolt (3) is sleeved with a sealing sleeve (13), and the sealing sleeve (13) is positioned between the ring sleeve (6) and the nut (14).

3. A reset hydraulic buffer shock absorber according to claim 1, wherein: the outer wall of the bolt (3) is sleeved with a telescopic spring (15), and the telescopic spring (15) is positioned between the ring sleeve (6) and the fixed seat (5).

4. A reset hydraulic buffer shock absorber according to claim 1, wherein: the inner end of the pin head (9) is provided with a notch (10).

5. A reset hydraulic buffer shock absorber according to claim 1, wherein: the included angle between the inclined groove (8) formed in the guide frame (7) and the bolt (3) is forty-five degrees.

6. A reset hydraulic buffer shock absorber according to claim 1, wherein: the pin head (9) is in sliding connection with the fixed seat (5).