CN220910468U

CN220910468U - Sealing ring with multiple sealing structures

Info

Publication number: CN220910468U
Application number: CN202322560090.7U
Authority: CN
Inventors: 邹小军; 管仕海; 胡云飞; 李一鸣
Original assignee: Wuhan Dongjin New Materials Co ltd
Current assignee: Wuhan Dongjin New Materials Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-05-07
Anticipated expiration: 2033-09-20

Abstract

The utility model relates to the technical field of sealing, in particular to a sealing ring with a multiple sealing structure, which comprises: the plastic sealing ring is internally provided with a rubber ring, and the upper end and the lower end of the right opening of the plastic sealing ring are symmetrically provided with fixing blocks which are connected through a screw thread of a bolt; the upper end and the lower end of the plastic sealing ring are symmetrically provided with sliding grooves, and the inside of each sliding groove is connected with a second sliding block in a sliding way; the bottom of the second slider is connected with the first slider in a sliding way, the side edge of the first slider is fixedly connected with a guide block, and one end of the guide block is provided with a fixing buckle; through screwing bolt one and nut, make sealing washer and equipment zonulae occludens with two fixed blocks zonulae occludens together, plastic seal's inside is provided with the rubber circle, and the upper end fixedly connected with of rubber circle is fixed detains, and the guide block that slider two bottoms set up inserts fixed knot through the extrusion, makes plastic seal and rubber circle zonulae occludens be difficult for droing and dismantle conveniently.

Description

Sealing ring with multiple sealing structures

Technical Field

The utility model relates to the technical field of sealing, in particular to a sealing ring with a multiple sealing structure.

Background

The seal ring is characterized in that at least one pair of end surfaces perpendicular to the rotation axis are used for ejecting the seal lip (surface) under the action of fluid pressure and elasticity of a compensation mechanism so as to lightly press the sealed metal surface, thereby generating a very excellent sealing effect. The spring actuation effect can overcome the slight eccentricity of the metal mating surfaces and wear of the sealing lips while maintaining the desired sealing performance.

Chinese patent publication No. CN210978528U discloses a sealing ring, which belongs to the field of mechanical sealing. The sealing ring comprises: a body and a protective sleeve; the body is open-loop design, the body can freely warp under the exogenic action, the first end of body is provided with first connecting portion, the second end of body is provided with second connecting portion, the external diameter of first connecting portion with the external diameter of second connecting portion all is less than the external diameter of body, first connecting portion with second connecting portion can fixed connection, the protective sheath is the cylinder cover, and is used for the parcel first connecting portion with second connecting portion.

However, the sealing structure is not arranged inside the sealing ring in the above patent, gaps can be formed in the connecting process of the sealing ring and equipment to cause the sealing to be not tight, and the connecting assembly is not additionally arranged at the connecting part outside the sealing ring in the above patent, so that the sealing ring is easy to damage if the internal assembly extrudes the sealing ring.

Disclosure of utility model

The present utility model is directed to a seal ring with multiple seal structures, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a seal ring having a multiple seal structure, comprising: the plastic sealing ring is internally provided with a rubber ring, and the upper end and the lower end of the right opening of the plastic sealing ring are symmetrically provided with fixing blocks which are connected through a screw thread of a bolt;

The upper end and the lower end of the plastic sealing ring are symmetrically provided with sliding grooves, and the inside of each sliding groove is connected with a second sliding block in a sliding way;

The bottom sliding connection of slider two has slider one, and slider one's side fixedly connected with guide block, and the one end of guide block is provided with the fixed knot.

Preferably, through holes are formed in the two fixing blocks, and washers are fixedly connected to the connecting positions of the two fixing blocks.

Preferably, the lower end of the fixed block is provided with a nut, the outer wall of the first bolt is in threaded connection with the inner wall of the nut, and when the first bolt is screwed, the two gaskets are tightly connected.

Preferably, a thread groove is formed in the second slider, the second slider is in threaded connection with a second bolt, and the bottom of the second bolt is in sliding connection with the guide block.

Preferably, a second guide slope is arranged at the bottom of the second bolt, and a first guide slope is arranged at the input end of the guide block and is in sliding connection with the second guide slope.

Preferably, one end of the first sliding block is fixedly connected with a spring, the other end of the first sliding block is fixedly connected with a guide block, and the upper end of the first sliding block is in sliding connection with the bottom of the second sliding block.

Preferably, the lower end of the fixing buckle is fixedly connected with a rubber ring, and the inside of the fixing buckle is slidably connected with a guide block.

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

According to the utility model, the first bolt and the nut are screwed, the two fixing blocks are tightly connected together to tightly connect the sealing ring with the equipment, the rubber ring is arranged in the plastic sealing ring, the fixing buckle is fixedly connected to the upper end of the rubber ring, and the guide block arranged at the bottom of the sliding block II is inserted into the fixing buckle through extrusion, so that the plastic sealing ring is tightly connected with the rubber ring, is not easy to fall off and is convenient to detach.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;

Fig. 3 is an enlarged view of the structure of the area a in fig. 2 according to the present utility model.

In the figure: 1. a plastic sealing ring; 2. a rubber ring; 3. a first bolt; 4. a fixed block; 5. a gasket; 6. a through hole; 7. a second bolt; 8. a first sliding block; 9. a chute; 10. a fixing buckle; 11. a spring; 12. a guide block; 13. a second slide block; 14. a thread groove; 15. a nut; 16. guiding a first slope; 17. and guiding the second slope.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 3, the present utility model provides a technical solution: a seal ring having a multiple seal structure, comprising: the plastic sealing ring 1, the inside of the plastic sealing ring 1 is provided with a rubber ring 2, the upper end and the lower end of the right opening of the plastic sealing ring 1 are symmetrically provided with fixed blocks 4, and the two fixed blocks 4 are in threaded connection through a first bolt 3; through holes 6 are formed in the two fixing blocks 4, and washers 5 are fixedly connected to the connecting positions of the two fixing blocks 4; the lower extreme of fixed block 4 is provided with nut 15, and the outer wall of bolt one 3 and the inner wall threaded connection of nut 15, when bolt one 3 screwed, two washers 5 zonulae occludens.

The upper end and the lower end of the plastic sealing ring 1 are symmetrically provided with sliding grooves 9, and the inside of each sliding groove 9 is connected with a sliding block II 13 in a sliding way; a thread groove 14 is formed in the second slider 13, the second slider 13 is in threaded connection with a second bolt 7, and the bottom of the second bolt 7 is in sliding connection with the guide block 12; the bottom of the second bolt 7 is provided with a second guide slope 17, the input end of the guide block 12 is provided with a first guide slope 16, and the second guide slope 17 is in sliding connection with the first guide slope 16.

The bottom of the second slide block 13 is connected with the first slide block 8 in a sliding way, the side edge of the first slide block 8 is fixedly connected with a guide block 12, and one end of the guide block 12 is provided with a fixing buckle 10; one end of the first slide block 8 is fixedly connected with a spring 11, the other end of the first slide block 8 is fixedly connected with a guide block 12, and the upper end of the first slide block 8 is in sliding connection with the bottom of the second slide block 13; the lower end of the fixing buckle 10 is fixedly connected with a rubber ring 2, and the inside of the fixing buckle 10 is slidably connected with a guide block 12.

When the device works, the first bolt 3 and the nut 15 are screwed, so that the two fixed blocks 4 are inwards extruded, the two gaskets 5 are tightly connected to achieve a sealing effect, the second bolt 7 is screwed, the second guide slope 17 is downwards extruded and is in sliding connection with the first guide slope 16, the first slide block 8 slides along the bottom of the second slide block 13, the spring 8 is tightly pressed, the guide block 12 is inserted into the fixed buckle 10, the fixed buckle 10 is fixedly connected to the rubber ring 2, the rubber ring 2 is tightly connected with the plastic sealing ring 1, the second bolt 7 is loosened, the guide block 12 is inwards slid, the guide block 12 is separated from the fixed buckle 10, and the rubber ring 2 is detached or replaced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A seal ring having a multiple seal structure, comprising: the plastic sealing ring (1), the inside of plastic sealing ring (1) is provided with rubber circle (2), its characterized in that: the upper end and the lower end of the right opening of the plastic sealing ring (1) are symmetrically provided with fixed blocks (4), and the two fixed blocks (4) are connected through a first bolt (3) in a threaded manner;

The upper end and the lower end of the plastic sealing ring (1) are symmetrically provided with sliding grooves (9), and the inside of each sliding groove (9) is connected with a sliding block II (13) in a sliding way;

The bottom of the second slider (13) is connected with the first slider (8) in a sliding manner, the side edge of the first slider (8) is fixedly connected with a guide block (12), and one end of the guide block (12) is provided with a fixing buckle (10).

2. A seal ring with multiple seal structure according to claim 1, characterized in that: through holes (6) are formed in the two fixing blocks (4), and washers (5) are fixedly connected to the connecting positions of the two fixing blocks (4).

3. A seal ring with multiple seal structure according to claim 2, characterized in that: the lower extreme of fixed block (4) is provided with nut (15), and the outer wall of bolt one (3) and the inner wall threaded connection of nut (15), when bolt one (3) screwed, two washers (5) zonulae occludens.

4. A seal ring with multiple seal structure according to claim 3, characterized in that: a thread groove (14) is formed in the second slider (13), the second slider (13) is connected with the second bolt (7) in a threaded mode, and the bottom of the second bolt (7) is connected with the guide block (12) in a sliding mode.

5. The gasket with multiple seal according to claim 4, wherein: the bottom of the bolt II (7) is provided with a guide slope II (17), the input end of the guide block (12) is provided with a guide slope I (16), and the guide slope II (17) is in sliding connection with the guide slope I (16).

6. The gasket with multiple seal according to claim 5, wherein: one end fixedly connected with spring (11) of slider one (8), the other end fixedly connected with guide block (12) of slider one (8), the upper end of slider one (8) and the bottom sliding connection of slider two (13).

7. The gasket with multiple seal according to claim 6, wherein: the lower end of the fixing buckle (10) is fixedly connected with a rubber ring (2), and the inside of the fixing buckle (10) is slidably connected with a guide block (12).