CN217874166U - Novel Y-shaped sealing ring for automobile hydraulic jack - Google Patents

Abstract

The utility model provides a novel car hydraulic ram Y type sealing washer, include: sealing washer main part and skeleton, wherein: the top of the sealing ring main body is obliquely provided with an outer sealing lip outwards along the outer edge, the top of the sealing ring main body is obliquely provided with an inner sealing lip inwards along the inner edge, and a groove is formed between the inner sealing lip and the outer sealing lip; the bottom of sealing washer main part is provided with the connecting piece, the top of skeleton is equipped with the holding tank that supplies the connecting piece to insert the establishment. The utility model relates to a novelty, and easy operation, through the setting of connecting piece etc., the in-process that the sealing washer main part that forms and skeleton bonded behind the sizing material shaping, the bottom face of the sealing washer main part that forms is connected with the top face of skeleton behind the sizing material shaping, under this, the connecting piece that utilizes formation behind the sealing washer main part shaping can be connected with the skeleton, the connection effect between sealing washer main part and the skeleton has been strengthened, the phenomenon such as upset, distortion, deformation can not appear in the reciprocating motion in-process in Y type sealing washer has been guaranteed.

Description

Novel Y-shaped sealing ring for automobile hydraulic jack

Technical Field

The utility model relates to a Y type sealing washer technical field especially relates to a novel car hydraulic ram Y type sealing washer.

Background

At present, it is less domestic to the development of hydro-cylinder hydraulic jacking device and use, four pneumatic cylinders are adopted mostly to current hydraulic jacking device, drive four pneumatic cylinders through synchronous controller and promote simultaneously, but this kind of mode needs synchronous controller to drive four pneumatic cylinders and promote simultaneously, need four pneumatic cylinders of the accurate control of synchronous controller to reach complete synchronization, if synchronous controller or any one of them pneumatic cylinder goes wrong, just can't reach the effect of jacking, there is very big inconvenience in the in-service use. The Y-ring used therein is particularly important to ensure constant hydraulic pressure.

The Y-shaped seal ring is a typical lip-shaped seal ring, and is widely used in a reciprocating sealing device because of its advantages of good sealing performance, long service life, etc., as compared with an O-shaped seal ring. At present, a Y-shaped sealing ring with a framework generally comprises a sealing ring main body and a plastic framework, wherein the sealing ring is assembled on the plastic framework, the sealing ring and the plastic framework are complex to operate during assembly, the matching coaxiality is not high, the area of a connecting end is small, the connection is unstable, and the inner sealing lip is easy to turn, distort, deform and the like in the reciprocating motion process under a high-pressure state, so that the hydraulic assembly is short in service life, poor in sealing effect and high in maintenance cost; meanwhile, the framework is made of plastics and is easy to damage under the action of long-time high pressure.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem who exists among the background art, the utility model provides a novel car hydraulic ram Y type sealing washer, include: sealing washer main part and skeleton, wherein: the top of the sealing ring main body is obliquely provided with an outer sealing lip outwards along the outer edge, the top of the sealing ring main body is obliquely provided with an inner sealing lip inwards along the inner edge, and a groove is formed between the inner sealing lip and the outer sealing lip; the bottom of sealing washer main part is provided with the connecting piece, the top of skeleton is equipped with and supplies the connecting piece to insert the holding tank of establishing, the connecting piece sets firmly in the holding tank, the bottom terminal surface of sealing washer main part is connected with the top terminal surface of skeleton.

Preferably, the connecting piece comprises a connecting ring, the connecting ring and the sealing ring main body are coaxially arranged, the top of the connecting ring is arranged at the bottom of the sealing ring main body, the accommodating groove is annular, and the inner side, the outer side and the bottom of the connecting ring are fixedly connected with the inner wall, the outer side and the inner wall of the bottom of the accommodating groove respectively.

Preferably, the inner side and/or the outer side of the connecting ring are/is provided with a protrusion, and the inner side and/or the outer side of the accommodating groove are/is provided with an arc groove matched with the protrusion.

Preferably, the number of the connecting rings and the number of the accommodating grooves are two, and the two connecting rings and the two accommodating grooves are arranged in a one-to-one correspondence manner.

Preferably, the groove is a U-shaped groove.

Preferably, the framework is annular, and the framework and the sealing ring main body are coaxially arranged.

Preferably, the framework is made of metal. The pressure resistance of the framework can be enhanced by the arrangement of the material.

Preferably, the outer side of the outer sealing lip is provided with a circumferentially arranged sawtooth structure. The saw tooth structure further improves the stability of the Y-shaped sealing ring, and can ensure long-time normal work of the Y-shaped sealing ring.

Compared with the prior art, the utility model provides a novel car hydraulic ram Y type sealing washer adopts above-mentioned technical scheme, has reached following technological effect:

1. through the arrangement of the connecting piece and the like, in the process of bonding the sealing ring main body formed after the sizing material is formed with the framework, the bottom end surface of the sealing ring main body formed after the sizing material is formed is connected with the top end surface of the framework, under the condition, the connecting piece formed after the sealing ring main body is formed is connected with the framework, the connecting effect between the sealing ring main body and the framework is enhanced, and the phenomena of overturning, twisting, deformation and the like of the Y-shaped sealing ring in the reciprocating motion process are avoided;

2. through the setting of arch and circular arc groove etc. on the basis that sets up the connecting piece, through the quantity that increases the connection or the contact surface between increase connecting piece and holding tank come further reinforcing sealing washer main part and the connection effect between the skeleton, to the contact surface between increase connecting piece and the holding tank, specifically through add the arch on the connecting piece to and set up the circular arc groove in the holding tank and realize.

Drawings

Fig. 1 is a schematic sectional structure diagram of a first embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a second embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a third embodiment of the present invention;

fig. 4 is an enlarged schematic view of the structure at a of the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B of the present invention.

In the figure: 1. the sealing ring comprises a sealing ring main body, 2. A framework, 3. An outer sealing lip, 4. An inner sealing lip, 5. A connecting piece, 6. An accommodating groove, 7. A bulge, 8. An arc groove and 9. A sawtooth structure.

Detailed Description

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1-5, the utility model provides a novel car hydraulic ram Y type sealing washer, include: sealing washer main part 1 and skeleton 2, wherein: the top of the sealing ring main body 1 is provided with an outer sealing lip 3 along the outer edge in an outward inclined mode, the top of the sealing ring main body is provided with an inner sealing lip 4 along the inner edge in an inward inclined mode, a groove is formed between the inner sealing lip 4 and the outer sealing lip 3, and preferably, the groove is a U-shaped groove. The bottom of sealing washer main part 1 is provided with connecting piece 5, and the top of skeleton 2 is equipped with and supplies connecting piece 5 to insert the holding tank 6 of establishing, and connecting piece 5 sets firmly in holding tank 6, and the bottom terminal surface of sealing washer main part 1 is connected with the top terminal surface of skeleton 2. Preferably, the framework 2 is made of annular metal, the framework 2 made of metal can enhance the high pressure born by the framework 2, and the framework 2 and the sealing ring main body 1 are coaxially arranged.

The specific working process is as follows: in the prior art, the framework and the rubber material are simultaneously injected into a mold cavity and are bonded by adopting a process, and the bottom end surface of a sealing ring main body formed after the rubber material is formed is connected with the top end surface of the framework, namely a Y-shaped sealing ring in the prior art; in this embodiment, through having seted up holding tank 6 on the top face of skeleton 2, utilize the mould die cavity to produce connecting piece 5 with the sizing material that flows when the shaping simultaneously, sealing washer main part 1 after the final shaping bonds on skeleton 2, connecting piece 5 sets firmly in holding tank 6, under the prerequisite that the bottom face of the sealing washer main part 1 that forms after the shaping of current sizing material is connected with the top face of skeleton 2, each side of this embodiment connecting piece 5 is connected with each medial surface of holding tank 6, the connection effect between skeleton 2 and the sealing washer main part 1 has been increased, phenomenons such as upset, distortion, deformation can not appear in the Y type sealing washer in reciprocating motion process.

Referring to fig. 1-2, the connecting member 5 includes a connecting ring, the connecting ring is disposed coaxially with the sealing ring main body 1, the top of the connecting ring is disposed at the bottom of the sealing ring main body 1, the accommodating groove 6 is annular, and the inner side, the outer side, and the bottom of the connecting ring are respectively fixedly connected with the inner walls of the inner side, the outer side, and the bottom of the accommodating groove 6. Preferably, in order to enhance the connection between the framework 2 and the sealing ring main body 1, the number of the connecting rings and the number of the accommodating grooves 6 are two, and the two connecting rings and the two accommodating grooves 6 are arranged in a one-to-one correspondence manner.

Referring to fig. 3 and 5, in order to enhance the connection between the framework 2 and the seal ring main body 1, it is needless to say that the protrusions 7 may be disposed on the inner side and/or the outer side of the connection ring, and the circular arc grooves 8 adapted to the protrusions 7 may be disposed on the inner side and/or the outer side of the accommodation groove 6, and this arrangement is to enhance the connection between the framework 2 and the seal ring main body 1 by increasing the contact area of the connection end surface between the connection ring and the accommodation groove 6.

Referring to fig. 1-5, when in use, in the process of installing the Y-shaped sealing ring in the installation groove, in order to enhance the friction between the Y-shaped sealing ring and the installation groove, a circumferentially arranged sawtooth structure 9 is arranged on the outer side of the outer sealing lip 3, and the stability of the Y-shaped sealing ring itself is further improved by the sawtooth structure 9, so that the long-time normal operation of the Y-shaped sealing ring can be ensured.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a novel car hydraulic ram Y type sealing washer which characterized in that includes: sealing washer main part (1) and skeleton (2), wherein: the top of the sealing ring main body (1) is provided with an outer sealing lip (3) in an outward inclined mode along the outer edge, the top of the sealing ring main body is provided with an inner sealing lip (4) in an inward inclined mode along the inner edge, and a groove is formed between the inner sealing lip (4) and the outer sealing lip (3); the bottom of the sealing ring main body (1) is provided with a connecting piece (5), the top of the framework (2) is provided with an accommodating groove (6) for the connecting piece (5) to be inserted, the connecting piece (5) is fixedly arranged in the accommodating groove (6), and the bottom end face of the sealing ring main body (1) is connected with the top end face of the framework (2);

the connecting piece (5) comprises a connecting ring, the connecting ring and the sealing ring main body (1) are coaxially arranged, the top of the connecting ring is arranged at the bottom of the sealing ring main body (1), the accommodating groove (6) is annular, and the inner side, the outer side and the bottom of the connecting ring are fixedly connected with the inner wall, the outer side and the inner wall of the bottom of the accommodating groove (6) respectively;

the inner side and/or the outer side of the connecting ring are/is provided with a protrusion (7), and the inner side and/or the outer side of the accommodating groove (6) are/is provided with an arc groove (8) matched with the protrusion (7).

2. The novel Y-shaped sealing ring for the hydraulic ram of the automobile as claimed in claim 1, wherein the number of the connecting rings and the accommodating grooves (6) is two, and the two connecting rings and the two accommodating grooves (6) are arranged in a one-to-one correspondence manner.

3. The novel Y-shaped sealing ring for the hydraulic ram of the automobile as claimed in any one of claims 1-2, wherein the groove is a U-shaped groove.

4. The novel Y-shaped sealing ring for the automobile hydraulic ram is characterized in that the framework (2) is annular, and the framework (2) is coaxially arranged with the sealing ring main body (1).

5. The novel Y-shaped sealing ring for the automobile hydraulic ram is characterized in that the framework (2) is made of metal.

6. The novel Y-shaped sealing ring for the automobile hydraulic ram is characterized in that a circumferentially arranged sawtooth structure (9) is arranged on the outer side of the outer sealing lip (3).

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