CN220488179U - Anti-overflow high-efficiency viscous damper - Google Patents

Abstract

The utility model discloses an anti-overflow efficient viscous damper, and relates to the technical field of dampers. This anti-overflow high-efficient viscous damper, including casing, piston, annular piece and seal assembly, the bottom of casing is provided with circular piece, and the top of circular piece is provided with the spring, and piston slidable mounting has seted up the damping hole in the inside of casing on the piston, and the top fixedly connected with piston rod of piston and its top that extends to the casing, annular piece set up on the casing, are provided with annular sealing pad on the annular piece, and seal assembly sets up on the annular piece. This high-efficient viscous damper of anti-overflow flow can be automatic with the fluid that upwards flows through the damping hole intercept buffering, prevents that fluid from striking the junction of piston rod and casing and causing its phenomenon that overflows, reveal easily, through carrying out good sealing treatment to the position that piston rod and casing meet, has further reduced the condition that overflows, reveal easily, has improved its practicality.

Description

Anti-overflow high-efficiency viscous damper

Technical Field

The utility model relates to the technical field of dampers, in particular to a viscous damper.

Background

When the existing part of damper is in actual use and the piston moves inwards, oil flowing upwards along with the damping hole can impact the joint of the piston rod and the shell, overflow and leakage are easy to occur over time, the service life of the damper is influenced, and the tightness is also to be improved, so that the anti-overflow high-efficiency viscous damper is provided.

Disclosure of Invention

The utility model aims to provide an anti-overflow high-efficiency viscous damper, which can solve the problems that the phenomenon of overflow and leakage are easy to occur over time as the oil flowing upwards along with a damping hole can impact the joint of a piston rod and a shell, the service life of the damper is influenced, and the tightness is also to be improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-overflow high-efficient viscous damper, which comprises a housin, the piston, annular piece and seal assembly, the bottom of casing is provided with circular piece, the top of circular piece is provided with the spring, piston slidable mounting is in the inside of casing, the damping hole has been seted up on the piston, the top fixedly connected with piston rod of piston and its top that extends to the casing, annular piece sets up on the casing, be provided with annular sealing pad on the annular piece, seal assembly sets up on the annular piece, seal assembly can be used to anti-overflow flow.

Preferably, the bottom of the circular block is provided with an annular opening and is internally provided with a screw, and the screw penetrates through the circular block and is in threaded connection with the shell.

Preferably, the top fixed mounting of circular piece has the dome body, and the spring sets up between dome body and piston, and the inner wall fixed mounting of casing has the backstop piece, can restrict the travel distance of piston.

Preferably, six groups of threaded columns which are distributed at equal intervals in an annular mode are fixedly arranged at the top of the shell, round holes are formed in the annular blocks, nuts are sleeved on the threaded columns in a threaded mode and are in contact with the annular blocks, and the annular sealing gasket is fixedly arranged at the bottom of the annular blocks.

Preferably, the sealing assembly comprises half clamp splice, bolts, sealing rings and annular interception net, the number of half clamp splice is two sets of and is left and right sides and distributes the setting, annular mouthful and sealing rings set up in it are offered to the inner wall of two sets of half clamp splice, the inner wall of sealing rings contacts with the outer wall of piston rod, the bolts pass two sets of half clamp splice and thread bush are equipped with the nut, annular interception net fixed mounting is in the inboard top of casing.

Preferably, the top fixed mounting of annular piece has two sets of spacing pieces that just are left and right sides and distribute, and the slice mouth has been seted up to the bottom of half clamp splice and spacing piece is located in it, can carry out positioning treatment with half clamp splice.

Compared with the prior art, the utility model has the beneficial effects that:

this anti-overflow high-efficient viscous damper uses through the cooperation of half clamp splice, bolt, nut, sealing washer, annular interception net and annular sealing pad, can intercept the buffering through the fluid that the damping hole upwards flows on the one hand voluntarily, prevents that fluid from striking the junction of piston rod and casing and causing its phenomenon that takes place overflow, revealing easily, on the other hand is convenient for carry out good sealing treatment with the position that piston rod and casing are met, has further reduced the condition that takes place overflow, revealing easily, has improved the practicality of this damper.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a front view of the present utility model;

fig. 3 is an enlarged view of the portion a of the present utility model.

Reference numerals: 1. a housing; 2. a piston; 3. a piston rod; 4. a blocking piece; 5. a seal assembly; 51. a half clamping block; 52. a bolt; 53. a nut; 54. a seal ring; 55. an annular interception net; 6. an annular block; 7. an annular gasket; 8. a threaded column; 9. a screw cap; 10. a limiting piece; 11. a circular block; 12. a dome body; 13. and (3) a spring.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an anti-overflow high-efficient viscous damper, including casing 1, piston 2, annular piece 6 and seal assembly 5, the bottom of casing 1 is provided with circular piece 11, the top of circular piece 11 is provided with spring 13, piston 2 slidable mounting is in the inside of casing 1, the damping hole has been seted up on the piston 2, the top fixedly connected with piston rod 3 of piston 2 and its top that extends to casing 1, annular piece 6 sets up on casing 1, be provided with annular sealing gasket 7 on the annular piece 6, seal assembly 5 sets up on annular piece 6, seal assembly 5 can be used to anti-overflow flow.

The annular mouth has been seted up to the bottom of circular piece 11 and is provided with the screw in it, the screw passes circular piece 11 and with casing 1 threaded connection, circular piece 11's top fixed mounting has the dome body 12, spring 13 sets up between dome body 12 and piston 2, casing 1's inner wall fixed mounting has the block piece 4, casing 1's top fixed mounting has six sets of screw thread posts 8 that just are annular equidistance and distribute, the round hole has been seted up on the annular piece 6, the last thread bush of screw thread post 8 is equipped with nut 9 and contacts with annular piece 6, annular sealing pad 7 fixed mounting is in the bottom of annular piece 6.

The sealing assembly 5 comprises two semi-clamping blocks 51, bolts 52, sealing rings 54 and annular interception nets 55, wherein the number of the semi-clamping blocks 51 is two, the two semi-clamping blocks are distributed left and right, annular openings are formed in the inner walls of the two semi-clamping blocks 51, the sealing rings 54 are arranged in the annular openings, the inner walls of the sealing rings 54 are in contact with the outer wall of the piston rod 3, the bolts 52 penetrate through the two semi-clamping blocks 51 and are sleeved with nuts 53 in a threaded manner, the annular interception nets 55 are fixedly arranged at the top of the shell 1, two groups of limiting plates 10 distributed left and right are fixedly arranged at the top of the annular block 6, the limiting plates 10 are arranged at the bottom of the semi-clamping blocks 51, the limiting plates 10 are arranged in the limiting plates, the piston 2 is automatically driven to move downwards when the piston rod 3 moves downwards, then the oil flows upwards through the damping holes, the annular interception nets 55 automatically intercept and buffer the oil, meanwhile, the annular sealing gasket 7 and the sealing rings 54 seal the joint of the piston rod 3 and the shell 1, the oil flowing upwards through the damping holes can be automatically intercepted and buffered, the joint of the piston rod 3 and the shell 1 is prevented from being easily overflowed, and leaking, and the joint of the piston rod 3 and the shell 1 is easily caused, and then the overflow situation is easily occurs, and the overflow situation is well, and the situation is well sealed and the joint position of the shell 1 is further lowered.

Working principle: when the piston rod 3 moves downwards, the piston 2 is automatically driven to move downwards, then oil flows upwards through the damping hole, the annular interception net 55 automatically intercepts and buffers the oil, and meanwhile, the annular sealing gasket 7 and the sealing ring 54 seal the joint of the piston rod 3 and the shell 1.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. An anti-overflow high efficiency viscous damper, comprising:

a circular block (11) is arranged at the bottom of the shell (1), and a spring (13) is arranged at the top of the circular block (11);

the piston (2) is slidably arranged in the shell (1), a damping hole is formed in the piston (2), a piston rod (3) is fixedly connected to the top of the piston (2) and extends to the top of the shell (1);

an annular block (6) which is arranged on the shell (1), and an annular sealing gasket (7) is arranged on the annular block (6);

and the sealing assembly (5) is arranged on the annular block (6), and the sealing assembly (5) can be used for preventing overflow.

2. The anti-overflow high efficiency viscous damper of claim 1, wherein: the bottom of the round block (11) is provided with an annular opening and is internally provided with a screw, and the screw penetrates through the round block (11) and is in threaded connection with the shell (1).

3. The anti-overflow high efficiency viscous damper of claim 2, wherein: the top of the round block (11) is fixedly provided with a round cover body (12), a spring (13) is arranged between the round cover body (12) and the piston (2), and the inner wall of the shell (1) is fixedly provided with a blocking block (4).

4. The anti-overflow high efficiency viscous damper of claim 1, wherein: six groups of threaded columns (8) which are distributed at equal intervals in an annular mode are fixedly arranged at the top of the shell (1), round holes are formed in the annular blocks (6), nuts (9) are sleeved on the threaded columns (8) in a threaded mode and are in contact with the annular blocks (6), and annular sealing gaskets (7) are fixedly arranged at the bottoms of the annular blocks (6).

5. The anti-overflow high efficiency viscous damper of claim 1, wherein: the sealing assembly (5) comprises half clamping blocks (51), bolts (52), sealing rings (54) and annular interception nets (55), wherein the number of the half clamping blocks (51) is two, the two half clamping blocks are distributed left and right, annular openings are formed in the inner walls of the two half clamping blocks (51), the sealing rings (54) are arranged in the annular openings, the inner walls of the sealing rings (54) are in contact with the outer wall of the piston rod (3), the bolts (52) penetrate through the two half clamping blocks (51) and are sleeved with nuts (53) in a threaded mode, and the annular interception nets (55) are fixedly mounted on the top of the inner side of the shell (1).

6. The anti-overflow high efficiency viscous damper as claimed in claim 5, wherein: two groups of limiting sheets (10) which are distributed left and right are fixedly arranged at the top of the annular block (6), a sheet-shaped opening is formed in the bottom of the half clamping block (51), and the limiting sheets (10) are located in the opening.