Assembled rubber sealing element

Abstract

The utility model relates to the technical field of rubber sealing, and provides an assembled rubber sealing element, which comprises a first sealing ring, a second sealing ring and a sealing mechanism, and is characterized in that a clamping ring on the first sealing ring is plugged into a connecting notch on one side of the second sealing ring; the first sealing ring and the second sealing ring are connected in a sealed and attached mode, then a plurality of bolts penetrate through a plurality of through holes to be conveyed into the corresponding threaded grooves by related personnel, the situation that the sealing performance of connection between the connecting piece and one side of the first sealing ring is affected due to the fact that bolt heads are exposed is avoided through a sinking groove formed in the first sealing ring, and the sealing performance of the connecting piece is improved through arrangement of the sealing mechanism. By means of the technical scheme, the problems that in the prior art, due to the arrangement of a connecting ring, sealing contact between the outer walls of the two sealing gaskets and the connecting piece is not facilitated, and the sealing effect of the sealing gaskets is prone to being affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber sealing, and specifically, to an assembled rubber seal. Background Art

[0002] Rubber sealing rings appear in various fields of our life, such as bolt connections, the inner side of fuel tank caps, etc. Most of the current rubber rings are directly sleeved outside the tightly connected parts required, or directly placed inside the barrel cover. Due to the elasticity of rubber itself, after being squeezed for a long time, it is easy to cause the gasket to be difficult to recover to its original shape. Furthermore, when using this gasket again, it often falls off and is difficult to fasten inside the barrel cover. If a new gasket is used again, not only the original gasket is wasted, but also the use cost is further increased.

[0003] A patent with the patent number CN220102046U discloses an assembled rubber seal, including a first connecting ring. A sealing gasket is fixedly connected inside the first connecting ring. A support block is slidably connected to the inner wall of the sealing gasket. One side of the outer wall of the support block is fixedly connected with a fixing plate. One side of the outer wall of the fixing plate is fixedly connected with a rotating shaft. The rotating shaft is arranged inside a connecting rod. A limiting plate is fixedly connected to the outer wall of the connecting rod. A lead screw is arranged inside the first fixing ring.

[0004] However, there are still certain problems in the use process of the assembled rubber seal in the above patent. The setting of the connecting ring is not conducive to the sealing contact between the outer walls of the two sealing gaskets and the connecting parts, and it is easy to affect the sealing effect of the sealing gasket. Therefore, an assembled rubber seal is proposed. Summary of the Utility Model

[0005] The utility model provides an assembled rubber seal, which solves the problem that in the related technology, the setting of the connecting ring is not conducive to the sealing contact between the outer walls of the two sealing gaskets and the connecting parts, and it is easy to affect the sealing effect of the sealing gasket.

[0006] The technical solution of the utility model is as follows:

[0007] An assembled rubber seal includes a first sealing ring and a second sealing ring, and further includes:

[0008] A sealing mechanism, which includes a snap ring, a connecting notch and a connecting component. The snap ring is fixedly connected to the middle of one side of the first sealing ring close to the second sealing ring. The connecting notch is opened on one side of the second sealing ring close to the snap ring and is in sealing fit with the snap ring. The snap ring is set as an annular round rod. The connecting component includes a through hole and a threaded groove.

[0009] Preferably, hard rubber sheets are fixedly connected inside both the first sealing ring and the second sealing ring.

[0010] Preferably, a plurality of through holes are provided, and are distributed in an annular array in the middle of the first sealing ring and the snap ring. The threaded groove is correspondingly provided in the middle of the connecting notch on the second sealing ring. A counterbore for placing the bolt head is provided in the middle of the side of the through hole away from the second sealing ring.

[0011] Preferably, a set of supporting mechanisms are respectively arranged on the first sealing ring and the second sealing ring. The supporting mechanism includes a supporting piece, a connecting rod and a driving component. Three supporting pieces are provided. The three supporting pieces are distributed in an annular array on the inner side of the first sealing ring. The outer sides of the three supporting pieces are completely attached to the inner wall of the first sealing ring. Three connecting rods are provided and are respectively fixedly connected to the middle parts of the inner sides of the three supporting pieces. The three connecting rods are connected to the driving component.

[0012] Preferably, a fixing cylinder is arranged in the middle of the first sealing ring. A threaded rod is fixedly connected in the middle of the fixing cylinder. One ends of the three connecting rods away from the supporting pieces respectively pass through the side wall of the fixing cylinder and are slidably connected to the fixing cylinder. Springs are respectively fixedly sleeved on the outer sides of the one ends of the three connecting rods close to the supporting pieces. The other ends of the springs are fixedly connected to the outer side wall of the fixing cylinder.

[0013] Preferably, the driving component includes a moving block and a threaded ring. The moving block and the threaded ring are both sleeved on the threaded rod. The moving block is slidably connected to the threaded rod. The threaded ring is threadedly connected to the threaded rod. The threaded ring is rotatably connected to one end of the moving block. The moving block is in a frustum shape. One ends of the three connecting rods passing through the fixing cylinder are respectively slidably connected to the outer surface of the moving block.

[0014] The working principle and beneficial effects of the present utility model are as follows:

[0015] 1. In the present utility model, when the first sealing ring and the second sealing ring need to be spliced and used, the snap ring on the first sealing ring is inserted into the connecting notch on one side of the second sealing ring, so that the connection between the first sealing ring and the second sealing ring is hermetically attached. Then, relevant personnel respectively pass a plurality of bolts through the plurality of through holes and send them into the corresponding threaded grooves to strengthen the connection and fixation between the first sealing ring and the second sealing ring. And through the counterbore provided on the first sealing ring, it is avoided that the bolt head is exposed and affects the sealing performance of the connection between the connecting piece and one side of the first sealing ring. By setting the sealing mechanism, the first sealing ring and the second sealing ring are hermetically connected and fixed, achieving the purpose of avoiding changing the outer wall dimensions of the first sealing ring and the second sealing ring and affecting the sealing performance and applicability of the first sealing ring and the second sealing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0017] Figure 1 Schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 Schematic diagram of the partial three - dimensional structure of the present utility model;

[0019] Figure 3 Schematic diagram of the disassembled structure of the present utility model;

[0020] Figure 4 Partial cross - sectional view of the present utility model;

[0021] In the figure: 1. First sealing ring; 2. Second sealing ring; 3. Sealing mechanism; 4. Snap ring; 5. Connection notch; 6. Through - hole; 7. Threaded groove; 8. Hard rubber sheet; 9. Sunk groove; 10. Support sheet; 11. Connecting rod; 12. Fixed cylinder; 13. Threaded rod; 14. Spring; 15. Moving block; 16. Threaded ring. Specific embodiments

[0022] Next, in combination with the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present utility model.

[0023] Embodiment 1

[0024] As Figures 1 to 4 shown, this embodiment proposes a assembled rubber seal, including a first sealing ring 1 and a second sealing ring 2, and further including:

[0025] A sealing mechanism 3, the sealing mechanism 3 includes a snap ring 4, a connection notch 5 and a connection component. The snap ring 4 is fixedly connected to the middle of the side of the first sealing ring 1 close to the second sealing ring 2. The connection notch 5 is opened on the side of the second sealing ring 2 close to the snap ring 4 and is in sealing fit with the snap ring 4. The snap ring 4 is arranged as an annular round rod, and the connection component includes a through - hole 6 and a threaded groove 7.

[0026] Preferably, hard rubber sheets 8 are fixedly connected inside both the first sealing ring 1 and the second sealing ring 2. The purpose of this setting is to achieve the purpose of enhancing the strength of the first sealing ring 1 and the second sealing ring 2 and maintaining the shapes of the first sealing ring 1 and the second sealing ring 2 through the setting of the hard rubber sheets 8.

[0027] Preferably, a plurality of through holes 6 are provided and are distributed in an annular array in the middle of the first sealing ring 1 and the snap ring 4. The threaded groove 7 is correspondingly provided in the middle of the connection notch 5 on the second sealing ring 2. A counterbore 9 for placing the bolt head is provided in the middle of the side of the through hole 6 away from the second sealing ring 2. The purpose of this setting is to achieve the purpose of strengthening the connection stability of the first sealing ring 1 and the second sealing ring 2 through the bolts by means of the through holes 6 and the threaded grooves 7.

[0028] Preferably, a set of supporting mechanisms are respectively provided on the first sealing ring 1 and the second sealing ring 2. The supporting mechanism includes a supporting piece 10, a connecting rod 11 and a driving component. Three supporting pieces 10 are provided. The three supporting pieces 10 are distributed in an annular array inside the first sealing ring 1. The outer sides of the three supporting pieces 10 are completely attached to the inner wall of the first sealing ring 1. Three connecting rods 11 are provided and are respectively fixedly connected to the middle parts of the inner sides of the three supporting pieces 10. The three connecting rods 11 are connected to the driving component. The purpose of this setting is to achieve the purpose of strengthening the contact tightness between the first sealing ring 1 and the connecting piece through the three supporting pieces 10 and preventing the first sealing ring 1 from falling off.

[0029] Preferably, a fixing cylinder 12 is provided in the middle of the first sealing ring 1. A threaded rod 13 is fixedly connected to the middle of the fixing cylinder 12. One ends of the three connecting rods 11 away from the supporting pieces 10 respectively pass through the side wall of the fixing cylinder 12 and are slidably connected to the fixing cylinder 12. Elastic sleeves 14 are respectively fixedly sleeved on the outer sides of the three connecting rods 11 near the supporting pieces 10. The other ends of the elastic sleeves 14 are fixedly connected to the outer side wall of the fixing cylinder 12. The purpose of this setting is to achieve the purpose of elastically connecting the connecting rod 11 and the fixing cylinder 12 through the elastic sleeve 14.

[0030] In this embodiment, when the first sealing ring 1 and the second sealing ring 2 need to be spliced and used, the snap ring 4 on the first sealing ring 1 is inserted into the connection notch 5 on one side of the second sealing ring 2, so that the connection between the first sealing ring 1 and the second sealing ring 2 is hermetically attached. Then, relevant personnel respectively pass a plurality of bolts through the plurality of through holes 6 and send them into the corresponding threaded grooves 7 to strengthen the connection and fixation between the first sealing ring 1 and the second sealing ring 2. And through the counterbore 9 provided on the first sealing ring 1, it is avoided that the bolt head is exposed and affects the sealing performance of the connection between the connecting piece and one side of the first sealing ring 1. By means of the setting of the sealing mechanism 3, the first sealing ring 1 and the second sealing ring 2 are hermetically connected and fixed, achieving the purpose of avoiding changing the outer wall dimensions of the first sealing ring 1 and the second sealing ring 2 and affecting the sealing performance and applicability of the first sealing ring 1 and the second sealing ring 2.

[0031] Embodiment 2

[0032] As Figures 1 to 4As shown in the figure, based on the same concept as in the above-mentioned Embodiment 1, this embodiment also proposes that the driving component includes a moving block 15 and a threaded ring 16. Both the moving block 15 and the threaded ring 16 are sleeved on the threaded rod 13. The moving block 15 is slidably connected to the threaded rod 13, the threaded ring 16 is threadedly connected to the threaded rod 13, the threaded ring 16 is rotatably connected to one end of the moving block 15, the moving block 15 is set to be frustum-shaped, and three connecting rods 11 pass through one end of the fixed cylinder 12 and are respectively slidably connected to the outer surface of the moving block 15.

[0033] In this embodiment, by screwing the threaded ring 16, the moving block 15 makes a reciprocating movement on the threaded rod 13, so as to achieve the purpose of adjusting the supporting force of the supporting piece 10 connected by the connecting rod 11 on the first sealing ring 1 driven by the moving block 15.

[0034] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An assembled rubber seal, comprising a first sealing ring (1) and a second sealing ring (2), characterized in that: Also includes: A sealing mechanism (3), the sealing mechanism (3) comprising a snap ring (4), a connecting notch (5) and a connecting assembly, the snap ring (4) being fixedly connected to the middle of a side of the first sealing ring (1) close to the second sealing ring (2), the connecting notch (5) being arranged on a side of the second sealing ring (2) close to the snap ring (4) and sealingly fitting with the snap ring (4), the snap ring (4) being arranged as an annular round rod, and the connecting assembly comprising a through hole (6) and a threaded groove (7).

2. The assembled rubber seal according to claim 1, characterized in that: A hard rubber sheet (8) is fixedly connected inside the first sealing ring (1) and the second sealing ring (2).

3. The assembled rubber seal according to claim 1, characterized in that: A plurality of through holes (6) are provided and are distributed in an annular array in the middle of the first sealing ring (1) and the clamping ring (4); the thread groove (7) is correspondingly provided in the middle of the connecting notch (5) on the second sealing ring (2); and a recessed groove (9) for placing a bolt head is provided in the middle of a side of the through hole (6) away from the second sealing ring (2).

4. The assembled rubber seal according to claim 1, characterized in that: A group of supporting mechanisms are respectively arranged on the first sealing ring (1) and the second sealing ring (2), and the supporting mechanisms include a supporting sheet (10), a connecting rod (11) and a driving assembly. Three supporting sheets (10) are arranged, and the three supporting sheets (10) are distributed in an annular array on the inner side of the first sealing ring (1). The outer sides of the three supporting sheets (10) are completely in contact with the inner wall of the first sealing ring (1). Three connecting rods (11) are arranged and are respectively fixedly connected to the middle parts of the inner sides of the three supporting sheets (10). The three connecting rods (11) are connected to the driving assembly.

5. The assembled rubber seal according to claim 4, characterized in that: A fixing cylinder (12) is arranged in the middle of the first sealing ring (1), a threaded rod (13) is fixedly connected to the middle of the fixing cylinder (12), one end of the three connecting rods (11) away from the supporting sheet (10) respectively passes through the side wall of the fixing cylinder (12) and is slidably connected to the fixing cylinder (12), and a spring (14) is fixedly sleeved on the outer side of one end of the three connecting rods (11) close to the supporting sheet (10), and the other end of the spring (14) is fixedly connected to the outer side wall of the fixing cylinder (12).

6. The assembled rubber seal according to claim 4, characterized in that: The driving assembly comprises a moving block (15) and a threaded ring (16), wherein the moving block (15) and the threaded ring (16) are both sleeved on the threaded rod (13), the moving block (15) is slidably connected to the threaded rod (13), the threaded ring (16) is threadedly connected to the threaded rod (13), the threaded ring (16) is rotatably connected to one end of the moving block (15), the moving block (15) is configured to be a truncated cone, and one end of the three connecting rods (11) passes through the fixed cylinder (12) and is respectively slidably connected to the outer surface of the moving block (15).

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