CN219139794U

CN219139794U - Corrosion-resistant high-low temperature-resistant rectangular rubber sealing ring

Info

Publication number: CN219139794U
Application number: CN202222848308.4U
Authority: CN
Inventors: 李海昌; 张玉; 王平; 刘振彬
Original assignee: Wuxi Wansheng Rubber And Plastic Products Co ltd
Current assignee: Wuxi Wansheng Rubber And Plastic Products Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-06-06
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses an anti-corrosion high-low temperature resistant rectangular rubber sealing ring, which relates to the field of sealing rings and comprises two U-shaped sealing strips and two linear sealing strips, wherein two ends of the two U-shaped sealing strips are connected through the two linear sealing strips, notches are formed in the upper surfaces of the two ends of the U-shaped sealing strips, extension strips are fixed at the two ends of the linear sealing strips, and the extension strips are matched with the notches. According to the utility model, the two U-shaped sealing strips and the two linear sealing strips are arranged to form the rectangular sealing ring in a matched manner, so that the rectangular sealing ring is convenient to detach and replace quickly when damaged or the sealing performance is reduced, and meanwhile, the notch, the extension strip, the notch, the bulge, the extension block and the matching groove are arranged at the joint of the U-shaped sealing strip and the linear sealing strip, so that the joint of the U-shaped sealing strip and the linear sealing strip can be sealed normally, and the problem of unstable sealing can be avoided.

Description

Corrosion-resistant high-low temperature-resistant rectangular rubber sealing ring

Technical Field

The utility model relates to the technical field of sealing rings, in particular to an anti-corrosion high-low temperature resistant rectangular rubber sealing ring.

Background

The sealing ring is a raw part or a part for preventing liquid or solid particles from leaking from adjacent fusion surfaces and preventing external residues such as dust, water and the like from invading parts of mechanical equipment. The sealing ring is a key component part of engineering machinery equipment and is an inexhaustible part, and a sealing ring is adopted by hydraulic cylinders of a plurality of equipment in engineering project machinery manufacturing industry, and sealing ring products are to be adopted by diggers, electric forklifts, forklifts and heading machines.

A sealing ring with a rectangular plane shape is adopted between a male plug and a female seat of the rectangular general heavy-duty electric connector to play a role in sealing and waterproofing. The cross section shape of the conventional rectangular sealing ring at the four corners is the same as that of the vertical part, so that the joint degree of the outer ring at the corners of the rectangular sealing ring and the rectangular universal heavy-duty electric connector is low when the rectangular sealing ring is used, and the situation of low tightness is caused.

The utility model patent with the publication number of CN 217271864U discloses a variable cross-section rectangular sealing ring, which comprises a rectangular inner ring and a rectangular outer ring, wherein the cross sections of the rectangular inner ring and the rectangular outer ring are the same, the four sides of the rectangular inner ring and the four sides of the rectangular outer ring are respectively bonded and fixed, the corner radius of the rectangular outer ring is larger than that of the rectangular inner ring, reinforcing blocks are filled between the corners of the rectangular outer ring and the corners of the rectangular inner ring, the reinforcing blocks are in a crescent shape, and the reinforcing blocks are protruded towards one side of the rectangular outer ring. The tightness of the sealing ring in use is improved.

Although the sealing performance is improved, the anti-corrosion performance and the high and low temperature resistance of the sealing ring are poor, and the sealing ring is integrally formed and is inconvenient to detach and replace when damaged or damaged. Therefore, it is necessary to solve the above problems by providing an anti-corrosion high-low temperature resistant rectangular rubber seal ring. Therefore, it is necessary to solve the above problems by providing an anti-corrosion high-low temperature resistant rectangular rubber seal ring.

Disclosure of Invention

In order to solve the problems, the utility model provides an anti-corrosion high-low temperature resistant rectangular rubber sealing ring so as to solve the problems more exactly.

The utility model is realized by the following technical scheme:

the utility model provides an anti-corrosion high-low temperature resistant rectangular rubber sealing ring, which comprises two U-shaped sealing strips and two linear sealing strips, wherein two ends of the two U-shaped sealing strips are connected through the two linear sealing strips, the upper surfaces of the two ends of the U-shaped sealing strips are provided with notches, the two ends of the linear sealing strips are fixedly provided with extension strips, the extension strips are matched with the notches, a notch is formed in one end face of the notch, a protrusion is fixedly arranged on the lower surface of one end of the extension strip, the protrusion is matched with the notch, an extension block is arranged below an opening of the notch, the extension block is arranged at the bottom of one end of the U-shaped sealing strip, and matching grooves are formed in the bottoms of the two ends of the linear sealing strips and are matched with the matching grooves.

Further, the inner walls of the two sides of the notch are respectively fixed with a bump, and the bumps are tightly attached to the protrusions.

Further, the extension block is arranged to be of a conical structure, and the matching groove is arranged to be of a concave structure matched with the extension block.

Further, the upper surface middle parts of the U-shaped sealing strip and the linear sealing strip are respectively fixed with a first convex strip, and the two ends of the lower surfaces of the U-shaped sealing strip and the linear sealing strip are respectively fixed with a second convex strip.

Further, the cross section of first sand grip is semi-circular structure, the cross section of second sand grip sets up to the arc structure.

Further, the outside of U-shaped sealing strip and sharp sealing strip all bonds and has the insulating layer, the outside of insulating layer bonds and has the silastic-layer, the outside of silastic-layer bonds and has corrosion-resistant coating, insulating layer, silastic-layer and corrosion-resistant coating are ultra-thin structure.

The utility model has the beneficial effects that:

1. according to the utility model, the two U-shaped sealing strips and the two linear sealing strips are arranged, and the two U-shaped sealing strips and the two linear sealing strips are matched to form the rectangular sealing ring, so that the rectangular sealing ring is convenient to detach and replace quickly when damaged or the sealing performance is reduced, and meanwhile, the notch, the extension strip, the notch, the bulge, the extension block and the matching groove are arranged at the joint of the U-shaped sealing strip and the linear sealing strip, so that the joint of the U-shaped sealing strip and the linear sealing strip can be sealed normally, and the problem of unstable sealing can be avoided;

2. according to the utility model, the first raised strips and the second raised strips are respectively arranged on the upper side and the lower side of the U-shaped sealing strip and the linear sealing strip, so that the sealing performance of the rectangular sealing ring is further improved, the heat insulation layer, the silicon rubber layer and the corrosion-resistant coating are sleeved on the outer sides of the U-shaped sealing strip and the linear sealing strip, and the corrosion resistance and the high and low temperature resistance of the rectangular sealing ring are improved.

Drawings

Fig. 1 is a schematic top view of the overall structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of a notch structure according to the present utility model.

Fig. 3 is a schematic side cross-sectional view of a notch structure of the present utility model.

Fig. 4 is a schematic top view of the extension block structure of the present utility model.

Fig. 5 is a schematic cross-sectional view of the first ridge and the second ridge according to the present utility model.

FIG. 6 is a schematic side cross-sectional view of the U-shaped sealing strip structure of the present utility model.

In the figure: 1. u-shaped sealing strips; 2. a linear sealing strip; 3. a notch; 4. an extension strip; 5. a notch; 6. a protrusion; 7. an extension block; 8. a mating groove; 9. a bump; 10. a first protruding strip; 11. a second protruding strip; 12. a thermal insulation layer; 13. a silicone rubber layer; 14. a corrosion resistant coating.

Detailed Description

In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1-6, the utility model provides an anti-corrosion high-low temperature resistant rectangular rubber sealing ring, which comprises two U-shaped sealing strips 1 and two linear sealing strips 2, wherein two ends of the two U-shaped sealing strips 1 are connected through the two linear sealing strips 2, the upper surfaces of two ends of the U-shaped sealing strips 1 are provided with notches 3, the two ends of the linear sealing strips 2 are fixedly provided with extension strips 4, the extension strips 4 are matched with the notches 3, the U-shaped sealing strips 1 and the two linear sealing strips 2 are limited by limiting bolts, the rectangular sealing ring cannot be loosened easily, a notch 5 is formed in one end face of the notch 3, a protrusion 6 is fixed on the lower surface of one end of the extension strip 4, the protrusion 6 is matched with the notch 5, bumps 9 are fixed on the inner walls of two sides of the notch 5, the protrusions 9 are tightly attached to the protrusions 6, the sealing effect between the notch 5 and the protrusions 6 is improved, an extension block 7 is arranged below the opening of the notch 5, the extension block 7 is arranged at the bottom of one end of the U-shaped sealing strip 1, the bottoms of the two ends of the linear sealing strips 2 are respectively provided with a matching groove 8, the extension block 7 is matched with the matching groove 8, the matching groove 8 is arranged in the notch 8, and the sealing strip 7 is not matched with the notch 8, and the sealing strip 4 is arranged in the sealing structure is not matched with the notch 8, and can be matched with the notch 4, and the sealing strip 4 is not matched with the sealing structure, and can be matched with the sealing strip 3, and the sealing strip is arranged between the notch 4 and the sealing strip is in the sealing structure.

Specifically, the upper surface middle part of U-shaped sealing strip 1 and sharp sealing strip 2 all is fixed with first sand grip 10, and the cross-section of first sand grip 10 is semi-circular structure, and the lower surface both ends of U-shaped sealing strip 1 and sharp sealing strip 2 all are fixed with second sand grip 11, and the cross-section of second sand grip 11 sets up to arc structure, and the leakproofness of rectangular seal circle and connecting piece has been improved in the setting of first sand grip 10 and second sand grip 11.

More specifically, the outside of U-shaped sealing strip 1 and sharp sealing strip 2 all bonds and has had insulating layer 12, and the outside of insulating layer 12 bonds and has had silastic layer 13, and the outside of silastic layer 13 bonds and has corrosion-resistant coating 14, and insulating layer 12, silastic layer 13 and corrosion-resistant coating 14 are ultra-thin structure, do not hinder U-shaped sealing strip 1 and sharp sealing strip 2 to carry out sealing operation, have improved the anticorrosive performance and the high low temperature resistance of rectangle sealing washer simultaneously.

According to the utility model, the two U-shaped sealing strips 1 and the two linear sealing strips 2 are arranged, the two U-shaped sealing strips 1 and the two linear sealing strips 2 are matched to form the rectangular sealing ring, so that the rectangular sealing ring is convenient to detach and replace quickly when damaged or the sealing performance is reduced, meanwhile, the notch 3, the extension strip 4, the notch 5, the bulge 6, the extension block 7 and the matching groove 8 are arranged at the joint of the U-shaped sealing strip 1 and the linear sealing strip 2, the joint of the U-shaped sealing strip 1 and the linear sealing strip 2 can be sealed normally, the problem of unstable sealing is avoided, meanwhile, the first raised strips 10 and the second raised strips 11 are respectively arranged at the upper side and the lower side of the U-shaped sealing strip 1 and the linear sealing strip 2, the sealing performance of the rectangular sealing ring is further improved, the heat insulation layer 12, the silicon rubber layer 13 and the corrosion-resistant coating 14 are sleeved at the outer sides of the U-shaped sealing strip 1 and the linear sealing strip 2, and the corrosion-resistant performance and high-low temperature performance of the rectangular sealing ring are improved.

During installation, the notch 3 on the U-shaped sealing strip 1 is matched and connected with the extension strip 4 on the linear sealing strip 2, at the moment, the bulge 6 on the linear sealing strip 2 is clamped into the notch 5 on the notch 3 and is tightly attached to the convex block 9 in the notch 5, meanwhile, the extension block 7 on the U-shaped sealing strip 1 is attached to the matching groove 8 on the linear sealing strip 2, the tightness of the joint of the U-shaped sealing strip 1 and the linear sealing strip 2 is improved, and finally the U-shaped sealing strip 1 and the linear sealing strip 2 are limited through the limiting bolt.

Of course, the present utility model can be implemented in various other embodiments, and based on this embodiment, those skilled in the art can obtain other embodiments without any inventive effort, which fall within the scope of the present utility model.

Claims

1. Anti-corrosion high-low temperature resistant rectangular rubber sealing ring comprises two U-shaped sealing strips (1) and two linear sealing strips (2), wherein the two ends of the U-shaped sealing strips (1) are connected through the two linear sealing strips (2), and the anti-corrosion high-low temperature resistant rectangular rubber sealing ring is characterized in that: notch (3) have all been seted up to the both ends upper surface of U-shaped sealing strip (1), the both ends of sharp sealing strip (2) all are fixed with extension strip (4), extension strip (4) and notch (3) looks adaptation, notch (5) have been seted up to one end face of notch (3), the one end lower surface fixing of extension strip (4) has protruding (6), protruding (6) and notch (5) looks adaptation, the opening below of notch (5) is provided with extension piece (7), the one end bottom at U-shaped sealing strip (1) is installed to extension piece (7), mating groove (8) have all been seted up at the both ends bottom of sharp sealing strip (2), extension piece (7) and mating groove (8) looks adaptation.

2. The anti-corrosion high-low temperature resistant rectangular rubber seal ring according to claim 1, wherein: the inner walls of the two sides of the notch (5) are respectively fixed with a lug (9), and the lugs (9) are tightly attached to the bulges (6).

3. The anti-corrosion high-low temperature resistant rectangular rubber seal ring according to claim 2, wherein: the extension block (7) is arranged to be of a conical structure, and the matching groove (8) is arranged to be of a concave structure matched with the extension block (7).

4. The anti-corrosion high-low temperature resistant rectangular rubber seal ring according to claim 3, wherein: the U-shaped sealing strip (1) and the linear sealing strip (2) are respectively fixed with a first raised line (10) in the middle of the upper surface, and the U-shaped sealing strip (1) and the linear sealing strip (2) are respectively fixed with a second raised line (11) at the two ends of the lower surface.

5. The anti-corrosion high-low temperature resistant rectangular rubber seal ring according to claim 4, wherein: the cross section of the first raised strips (10) is of a semicircular structure, and the cross section of the second raised strips (11) is of an arc-shaped structure.

6. The anti-corrosion high-low temperature resistant rectangular rubber seal ring according to claim 5, wherein: the heat insulation sealing device is characterized in that the outer sides of the U-shaped sealing strips (1) and the straight-line sealing strips (2) are respectively adhered with a heat insulation layer (12), the outer sides of the heat insulation layers (12) are adhered with a silicon rubber layer (13), the outer sides of the silicon rubber layers (13) are adhered with a corrosion-resistant coating (14), and the heat insulation layers (12), the silicon rubber layers (13) and the corrosion-resistant coating (14) are of ultrathin structures.