CN218894957U - Oil seal capable of being installed in combined mode - Google Patents

Abstract

The utility model discloses an oil seal which can be installed in combination, which comprises an oil seal seat, an inner seal ring, an upper seal ring, a lower seal ring, a reinforcement groove, a first inner groove and a second inner groove. An inner seal ring is installed, an upper seal ring is installed above the oil seal seat, and a lower seal ring is installed below the oil seal seat, and reinforcement grooves are opened on the outer walls of the upper seal ring and the lower seal ring. Both the inner side of the upper sealing ring and the inner side of the lower sealing ring are provided with first inner grooves, the two sides of the surface and the bottom of the oil seal seat are provided with second inner grooves, and the inside of the inner sealing ring is provided with a coating structure. The combinable oil seal is assembled and installed in the form of a rotating clamp, and a reinforcement ring is provided on the outside to prevent deformation. The internal coating structure of the oil seal seat can increase the overall service quality of the oil seal. The inner seal ring fixed on the inside of the oil seal seat , is to strengthen the shape of the main oil seal seat to prevent it from being easily deformed during use and making it unusable.

Description

A combinable oil seal

technical field

The utility model relates to the technical field of oil seals, in particular to an oil seal which can be installed in combination.

Background technique

Oil seal is the customary title of general seals, simply put, it is the seal of lubricating oil. It is a mechanical element used to seal grease (oil is the most common liquid substance in the transmission system, and it also generally refers to the general liquid substance). Oil leaks. Seals for static seals and dynamic seals (general reciprocating motion) are called oil seals.

The structure of the rotary combined installation of the existing combined oil seal in use is relatively complicated, so it is not convenient for the combined installation operation of the oil seal. For example, a combined oil seal structure disclosed by the application number CN201920851114.5 includes the main oil seal; It is characterized in that it also includes a second oil seal and a third oil seal; from the oil side to the gas side, the main oil seal, the second oil seal and the third oil seal are in sequence. The structure of this kind of oil seal should be too complicated, and the combination form of this kind of oil seal is not portable enough, and the surface of the oil seal is not provided with a structure for preventing deformation of the oil seal during extrusion or combined installation, which not only increases the quality and quality of the oil seal. Longevity also increases complexity for the user.

Therefore, it is necessary to invent a combinable oil seal to solve the above problems.

Utility model content

The purpose of this utility model is to provide an oil seal that can be installed in combination to solve the problem that the structure of the rotary combined installation is relatively complicated in the technology, so it is not convenient for the combined installation and operation of the oil seal. The structure of the oil seal should be too complicated, and the The combined form of the oil seal is not portable enough, and the surface of the oil seal is not provided with a structure for preventing deformation of the oil seal during extrusion or combined installation, which not only increases the quality and life of the oil seal, but also increases the complexity of the user's use.

In order to achieve the above purpose, the utility model provides the following technical solutions: a combinable oil seal, including an oil seal seat, an inner seal ring, an upper seal ring, a lower seal ring, a reinforcement groove, a first inner groove, and a second inner groove and coating structure, the inner middle part of the oil seal seat is installed with an inner seal ring, the upper seal ring is installed above the oil seal seat, and the lower seal ring is installed below the oil seal seat, the upper seal ring and the lower seal There are reinforcing grooves on the outer wall of the ring, first inner grooves are arranged on the inside of the upper sealing ring and the inner side of the lower sealing ring, and second inner grooves are provided on both sides of the surface and bottom of the oil seal seat , the inside of the inner sealing ring is provided with a coating structure.

Preferably, the first inner grooves are opened on both sides of the surface and bottom of the oil seal seat, the first inner grooves are opened through the outer wall of the oil seal seat, and the first inner grooves are symmetrical about the center line of the oil seal seat There are six settings.

Preferably, the inner middle part of the oil seal seat is provided with grooves, the second inner grooves are set above and below the inner grooves of the oil seal seat respectively, and the second inner groove is located on one side of the first inner groove, so The thickness of the second inner groove is half of the thickness of the first inner groove.

Preferably, connecting blocks are installed on both sides of the inner wall of the upper sealing ring and the lower sealing ring, and the connecting blocks are fixedly welded on both sides of the inner wall of the upper sealing ring and on both sides of the inner wall of the lower sealing ring.

Preferably, the reinforcement groove is arranged in a ring shape, a reinforcement ring is installed inside the reinforcement groove, and the shape of the reinforcement ring matches the shape of the reinforcement groove, and the material of the reinforcement ring is stainless steel.

Preferably, a notch is opened on one side of the connecting bottom of the connecting block, and a clamp block is connected to the notch of the connecting block, and the clamp block is an elastic rubber block, and the clamp size of the clamp block is the same as that of the first The dimensions of an inner groove match.

Preferably, the coating structure includes a first inner pad and a second inner pad, the first inner pad and the second inner pad are both arranged in the middle of the coating of the oil seal seat, and the first inner pad is located on the coating of the oil seal seat. Above the inner wall of the layer, the second inner pad is located between the first inner pad and the inner wall of the coating of the oil seal seat.

Preferably, the material of the first inner pad is nitrile rubber, the material of the second inner pad is asbestos, and the first inner pad and the second inner pad are internally fused.

In the above-mentioned technical scheme, the technical effects and advantages provided by the utility model:

1. The oil seal that can be installed in combination, through the upper and lower sealing rings on the upper and lower sides of the main oil seal seat, realizes the function of combining and installing multiple oil seals. The inner sealing ring fixed on the inside of the oil seal seat , is to strengthen the shape of the main oil seal seat. At the same time, the reinforcement grooves opened above and below the outer wall of the oil seal seat and the annular stainless steel reinforcement ring installed in the reinforcement groove can effectively consolidate the use quality of the entire oil seal, avoiding extrusion or rotating combination installation Then easily deform the oil seal seat and outer ring parts;

2. The oil seal that can be installed in combination, by opening the first inner groove on the inner side of the upper sealing ring and the second inner groove on the inner side of the lower sealing ring, the upper sealing ring and the lower sealing ring are installed on the upper and lower ends of the oil seal seat It is more portable. By docking the clamp block into the first inner groove, and then rotating it counterclockwise, the elastically deformable clamp block will move again according to the rotation of the upper seal ring and the lower seal ring, and move to the clamp The position of the hoop block corresponding to the second inner groove is then clamped into the second inner groove, so that the upper sealing ring and the lower sealing ring can be respectively fixed on the upper and lower sides of the oil seal seat, and asbestos is set in the internal coating structure of the oil seal seat The inner pad of the material can increase the high temperature resistance of the oil seal as a whole, and can also improve the quality of the oil seal.

Description of drawings

Fig. 1 is a schematic diagram of the non-rotating sealing of the oil seal combination of the present utility model;

Fig. 2 is a schematic diagram of the oil seal combination of the present invention after being rotated and closed;

Fig. 3 is a schematic structural diagram of the oil seal seat of the present invention;

Fig. 4 is a structural schematic diagram of the upper sealing ring of the present utility model;

Fig. 5 is a schematic diagram of the coating structure of the present invention.

Explanation of reference signs:

1. Oil seal seat; 2. Inner sealing ring; 3. Upper sealing ring; 4. Lower sealing ring; 5. Reinforcement groove; 501. Reinforcement ring; 6. First inner groove; 7. Second inner groove; 8. Connection block; 801, clamp block; 9, coating structure; 901, first inner pad; 902, second inner pad.

Detailed ways

In order to make those skilled in the art better understand the technical solution of the utility model, the utility model will be further introduced in detail below in conjunction with the accompanying drawings.

The utility model provides a combinable oil seal as shown in Figure 1-5, including an oil seal seat 1, an inner seal ring 2, an upper seal ring 3, a lower seal ring 4, a reinforcement groove 5, and a first inner groove 6. The second inner groove 7 and the coating structure 9, the inner seal ring 2 is installed in the inner middle of the oil seal seat 1, the upper seal ring 3 is installed above the oil seal seat 1, and the lower seal ring 4 is installed below the oil seal seat 1, The outer walls of the upper sealing ring 3 and the lower sealing ring 4 are all provided with a reinforcement groove 5, the reinforcement groove 5 is arranged in a ring, and a reinforcement ring 501 is installed inside the reinforcement groove 5, and the shape of the reinforcement ring 501 is similar to that of the reinforcement groove 5. Matching, the material of the reinforcement ring 501 is stainless steel, the inner side of the upper sealing ring 3 and the inner side of the lower sealing ring 4 are provided with a first inner groove 6, and the first inner groove 6 is provided on both sides of the surface and bottom of the oil seal seat 1. On the side, the first inner groove 6 is opened through the outer wall of the oil seal seat 1, and six first inner grooves 6 are arranged symmetrically with respect to the center line of the oil seal seat 1, and both sides of the surface and the bottom surface of the oil seal seat 1 are provided with The second inner groove 7, the inner middle part of the oil seal seat 1 is provided with a groove, the second inner groove 7 is set above and below the inner groove of the oil seal seat 1 respectively, and the second inner groove 7 is located on one side of the first inner groove 6 , the thickness of the second inner groove 7 is half of the thickness of the first inner groove 6;

Both sides of the inner wall of the upper sealing ring 3 and the lower sealing ring 4 are equipped with connecting blocks 8, and the connecting blocks 8 are fixedly welded on both sides of the inner wall of the upper sealing ring 3 and on both sides of the inner wall of the lower sealing ring 4. The connection of the connecting block 8 There is a gap on one side of the bottom end, and a clamp block 801 is connected to the gap of the connecting block 8. The clamp block 801 is an elastic rubber block. The clamp size of the clamp block 801 matches the size of the first inner groove 6, and the inner seal A coating structure 9 is provided inside the ring 2, and the coating structure 9 includes a first inner gasket 901 and a second inner gasket 902, both of which are arranged in the middle of the coating of the oil seal seat 1, The first inner gasket 901 is located above the inner wall of the oil seal seat 1 coating, and the second inner gasket 902 is located between the first inner gasket 901 and the inner wall of the oil seal seat 1 coating. The material of the first inner gasket 901 is nitrile rubber, and the second inner gasket 902 is The material of the pad 902 is asbestos, and the first inner pad 901 and the second inner pad 902 are internally fused.

The working principle of this utility:

Referring to the accompanying drawings 1-5 in the specification, for the oil seal installed in combination, firstly, the upper sealing ring 3 and the lower sealing ring 4 are arranged on the upper and lower sides of the main oil seal seat 1, realizing the function of combining and installing multiple oil seals, The inner sealing ring 2 fixed on the inner side of the oil seal seat 1 is to reinforce the shape of the main oil seal seat 1. At the same time, the reinforcement groove 5 opened above and below the outer wall of the oil seal seat 1 and the annular stainless steel reinforcement ring 501 installed in the reinforcement groove 5 can Effectively consolidate the service quality of the entire oil seal, and avoid easily deforming the oil seal seat 1 and the outer ring parts after extrusion or rotating combined installation. The second inner groove 7 is set on the inner side, so that the upper and lower sealing rings 3 and 4 can be installed on the upper and lower ends of the oil seal seat 1 more portable. Rotate clockwise, so that the elastically deformable clamp block 801 moves again according to the rotation of the upper seal ring 3 and the lower seal ring 4, and moves to the position corresponding to the clamp block 801 and the second inner groove 7, and then clamps to the second inner groove 7 In the second inner groove 7, the upper seal ring 3 and the lower seal ring 4 can be respectively fixed on the upper and lower sides of the oil seal seat 1, and the inner coating structure 9 of the oil seal seat 1 is provided with an inner pad of asbestos material, which can increase the overall use of the oil seal Excellent high temperature resistance, but also can improve the quality of the oil seal.

Claims (8)

1. An oil seal that can be installed in combination, including an oil seal seat (1), an inner seal ring (2), an upper seal ring (3), a lower seal ring (4), a reinforcement groove (5), a first inner groove ( 6), the second inner groove (7) and the coating structure (9), characterized in that an inner sealing ring (2) is installed on the inner middle part of the oil seal seat (1), and the upper part of the oil seal seat (1) An upper sealing ring (3) is installed, and a lower sealing ring (4) is installed below the oil seal seat (1), and reinforcement grooves are provided on the outer walls of the upper sealing ring (3) and the lower sealing ring (4) (5), the inside of the upper sealing ring (3) and the inner side of the lower sealing ring (4) are provided with a first inner groove (6), and both sides of the surface and bottom of the oil seal seat (1) are A second inner groove (7) is provided, and a coating structure (9) is arranged inside the inner sealing ring (2). 2. A combinable oil seal according to claim 1, characterized in that: the first inner groove (6) is set on both sides of the surface and bottom of the oil seal seat (1), and the The first inner grooves (6) are opened through the outer wall of the oil seal seat (1), and there are six first inner grooves (6) arranged symmetrically with respect to the center line of the oil seal seat (1). 3. The oil seal that can be installed in combination according to claim 1, characterized in that: the inner middle part of the oil seal seat (1) is provided with grooves, and the second inner grooves (7) are respectively opened in the oil seal Above and below the inner groove of the seat (1), the second inner groove (7) is located on one side of the first inner groove (6), and the thickness of the second inner groove (7) is equal to that of the first inner groove ( 6) Half the thickness. 4. A combinable oil seal according to claim 1, characterized in that: both sides of the inner walls of the upper sealing ring (3) and the lower sealing ring (4) are equipped with connecting blocks (8), The connecting blocks (8) are fixedly welded on both sides of the inner wall of the upper sealing ring (3) and both sides of the inner wall of the lower sealing ring (4). 5. A combinable oil seal according to claim 1, characterized in that: the reinforcement groove (5) is arranged in a ring shape, and a reinforcement ring (501) is installed inside the reinforcement groove (5), And the shape of the reinforcement ring (501) matches the shape of the reinforcement groove (5), and the material of the reinforcement ring (501) is stainless steel. 6. A combinable oil seal according to claim 4, characterized in that: there is a gap on the side of the connecting bottom of the connecting block (8), and a gap is connected to the connecting block (8). A hoop block (801), the hoop block (801) is an elastic rubber block, and the hoop size of the hoop block (801) matches the size of the first inner groove (6). 7. The oil seal that can be installed in combination according to claim 1, characterized in that: the coating structure (9) includes a first inner pad (901) and a second inner pad (902), and the first inner pad (902) An inner pad (901) and a second inner pad (902) are both arranged in the middle of the coating of the oil seal seat (1), the first inner pad (901) is located above the inner wall of the oil seal seat (1), and the second The second inner gasket (902) is located between the first inner gasket (901) and the coating inner wall of the oil seal seat (1). 8. A combinable oil seal according to claim 7, characterized in that: the material of the first inner pad (901) is nitrile rubber, and the material of the second inner pad (902) is Asbestos, the first inner pad (901) and the second inner pad (902) are internally fused.

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