A sealing ring

Abstract

The utility model discloses a sealing adapter ring, specifically relates to the technical field of sealing adapter rings, including a ring plate, the ring plate including an upper ring body and a lower ring body, the lower ring body and the upper ring body are integrally formed, a first annular groove is provided at the bottom end of the upper ring body, a first rubber sealing ring is provided in the first annular groove, a plurality of first protrusions are fixedly provided at the bottom end of the upper ring body, a plurality of second protrusions are fixedly provided on the outer wall of the lower ring body, for improving the stability of the lower ring body when being fixed, and a second annular groove is provided on the outer wall surface of the lower ring body. The utility model arranges a plurality of first protrusions at the bottom of the upper ring body and a plurality of second protrusions on the outer wall of the lower ring body, and the first protrusions and the second protrusions can be used to facilitate the positioning of the ring plate, and can also improve the fixing firmness between the upper ring body and the lower ring body and the vacuum arc extinguishing chamber, and the first rubber sealing ring and two first rubber sealing strips are used to play a sealing role, so as to ensure the sealing of the ring plate when it is installed.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing connecting rings, in particular to a sealing connecting ring. Background Art

[0002] The sealing ring is one of the key components of the vacuum interrupter. The vacuum interrupter sealing parts are key components to ensure the airtightness of the vacuum interrupter. They seal the parts in the interrupter into a closed vacuum chamber through a vacuum brazing process. This seal is designed to transmit electrical power, signals, motion, fluids, and light beams from the atmospheric pressure environment into the vacuum environment. In order to achieve this airtight welding, a specific solder is designed that can ensure the airtightness of the weld and provide a smooth surface without protrusions, thereby maintaining the insulation performance of the interrupter.

[0003] For example, the prior art publication number is CN208673977U, which is a sealing ring for a ceramic vacuum switch tube. The utility model inserts the first cylinder and the second cylinder at the lower end of the moving end cover into the first circular cavity and the second circular cavity, so that the moving end cover and the sealing ring body are tightly fitted to prevent the sealing ring body from sliding on the upper end surface of the moving end cover. It has a simple structure and is easy to install, and can effectively ensure the coaxiality between the end cover, the sealing ring and the porcelain tube.

[0004] However, the above-mentioned prior art still has the following problems when in use: when the existing sealing ring is directly fixed in contact with the vacuum arc extinguishing chamber, the connection between the outer wall of the sealing ring and the vacuum arc extinguishing chamber is not firm, which may cause air leakage. Based on this, the utility model provides a sealing ring with high sealing performance. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a sealing connecting ring, by arranging a plurality of first protrusions on the bottom of the upper ring body and a plurality of second protrusions on the outer wall of the lower ring body, the first protrusions and the second protrusions can be used to facilitate the positioning of the ring plate, and the fixing firmness between the upper ring body and the lower ring body and the vacuum arc extinguishing chamber can be improved, and a first rubber sealing ring and two first rubber sealing strips are used to play a sealing role, thereby ensuring the sealing of the ring plate during installation, so as to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing ring, comprising a ring plate, the ring plate comprising an upper ring body and a lower ring body, the lower ring body and the upper ring body being integrally formed, a first annular groove is provided at the bottom end of the upper ring body, a first rubber sealing ring is provided in the first annular groove, a plurality of first protrusions are fixedly provided at the bottom end of the upper ring body, a plurality of second protrusions are fixedly provided on the outer wall of the lower ring body for improving the stability when the lower ring body is fixed, a second annular groove is provided on the outer wall surface of the lower ring body, two first rubber sealing strips are provided in the second annular groove, a plurality of through holes matching the plurality of second protrusions are provided on the outer wall of the first rubber sealing strip, and the plurality of second protrusions respectively penetrate the plurality of through holes.

[0007] In a preferred embodiment, an insert block is fixedly provided on one side of one of the first rubber sealing strips, and a slot matching the insert block is opened on one side of the other first rubber sealing strip. The insert block is inserted into the slot, and the two first rubber sealing strips are spliced ​​together to facilitate the installation of the two first rubber strips into the second annular groove for use.

[0008] In a preferred embodiment, a plurality of third annular grooves are formed on the outer wall surface of the first rubber sealing ring, and a second rubber sealing ring is fixedly sleeved in each of the plurality of third annular grooves to improve the sealing performance of the first rubber sealing ring.

[0009] In a preferred embodiment, arc-shaped grooves are formed on the outer walls of the two first rubber sealing strips, and second rubber sealing strips are fixedly disposed in the plurality of arc-shaped grooves to improve the sealing performance of the first rubber sealing strips.

[0010] In a preferred embodiment, a plurality of first protrusions are distributed in a ring array at the bottom of the upper ring body, and the plurality of first protrusions are all arranged outside the first rubber sealing ring to improve the stability of the upper ring body during installation.

[0011] In a preferred embodiment, a plurality of second protrusions are distributed in a ring array on the outer wall surface of the lower ring body, so as to improve the stability of the lower ring body during installation.

[0012] In a preferred embodiment, the upper ring body, the lower ring body, the first protrusion and the second protrusion are all made of aluminum alloy to improve the strength of the upper ring body, the lower ring body, the first protrusion and the second protrusion.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model arranges a plurality of first protrusions on the bottom of the upper ring body and a plurality of second protrusions on the outer wall of the lower ring body. The first protrusions and the second protrusions can be used to facilitate the positioning of the ring plate and improve the fixing firmness between the upper ring body, the lower ring body and the vacuum arc extinguishing chamber. The first rubber sealing ring and the two first rubber sealing strips are used to perform a sealing function, thereby ensuring the sealing of the ring plate during installation.

[0015] 2. By sleeved a plurality of second rubber sealing rings on the outer wall of each first rubber sealing ring, when the upper ring body and the lower ring body are in contact with the vacuum arc extinguishing chamber, the plurality of second rubber sealing rings are squeezed together with the first rubber sealing ring, and at the same time, the plurality of second rubber sealing strips are squeezed together with the first rubber sealing strip, which can further improve the sealing between the upper ring body and the lower ring body and the vacuum arc extinguishing chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is the overall structural front view of the utility model;

[0018] Figure 3 It is a cross-sectional view of the upper ring body of the utility model;

[0019] Figure 4 This is a schematic diagram of a first rubber sealing ring and a second rubber sealing ring of the utility model;

[0020] Figure 5 It is a schematic diagram of the first rubber sealing strip and the second rubber sealing strip of the utility model.

[0021] The accompanying drawings are marked as follows: 1, ring plate; 101, upper ring body; 102, lower ring body; 2, first annular groove; 3, first rubber sealing ring; 4, first protrusion; 5, second protrusion; 6, second annular groove; 7, first rubber sealing strip; 8, perforation; 9, plug-in block; 10, slot; 11, third annular groove; 12, second rubber sealing ring; 13, arc groove; 14, second rubber sealing strip;

[0022] 101. upper ring body; 102. lower ring body. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Refer to the instruction manual Figure 1-5 The utility model provides a sealing adapter ring, including a ring plate 1, wherein the ring plate 1 includes an upper ring body 101 and a lower ring body 102, wherein the lower ring body 102 is integrally formed with the upper ring body 101, wherein a first annular groove 2 is provided at the bottom end of the upper ring body 101, wherein a first rubber sealing ring 3 is provided in the first annular groove 2, wherein a plurality of first protrusions 4 are fixedly provided at the bottom end of the upper ring body 101, wherein the plurality of first protrusions 4 are distributed in an annular array at the bottom of the upper ring body 101, and the plurality of first protrusions 4 are all provided on the outside of the first rubber sealing ring 3, so as to improve the stability of the upper ring body 101 during installation;

[0025] The outer wall of the lower ring body 102 is fixedly provided with a plurality of second protrusions 5, which are used to improve the stability of the lower ring body 102 when it is fixed. The plurality of second protrusions 5 are distributed in a ring array on the outer wall surface of the lower ring body 102, which are used to improve the stability of the lower ring body 102 when it is installed;

[0026] The outer wall surface of the lower ring body 102 is provided with a second annular groove 6, and two first rubber sealing strips 7 are arranged in the second annular groove 6. The outer wall of the first rubber sealing strip 7 is provided with a plurality of through holes 8 adapted to the plurality of second protrusions 5, and the plurality of second protrusions 5 respectively penetrate the plurality of through holes 8, one side of one of the first rubber sealing strips 7 is fixedly provided with an insert block 9, and one side of the other first rubber sealing strip 7 is provided with a slot 10 adapted to the insert block 9, and the insert block 9 is inserted into the slot 10, and the two first rubber sealing strips 7 are spliced ​​to facilitate the installation of the two first rubber strips in the second annular groove 6 for use;

[0027] The upper ring body 101 , the lower ring body 102 , the first protrusion 4 and the second protrusion 5 are all made of aluminum alloy, so as to improve the strength of the upper ring body 101 , the lower ring body 102 , the first protrusion 4 and the second protrusion 5 .

[0028] When in use, the staff aligns the multiple first protrusions 4 on the upper ring body 101 and the multiple second protrusions 5 on the lower ring body 102 with the vacuum arc chamber and inserts them. The first protrusions 4 and the second protrusions 5 can be used to facilitate the positioning of the ring plate 1 and improve the fixing firmness between the upper ring body 101 and the lower ring body 102 and the vacuum arc chamber. A first rubber sealing ring 3 is arranged at the bottom of the upper ring body 101, and the first rubber sealing ring 3 fits tightly with the vacuum arc chamber, thereby improving the sealing between the upper ring body 101 and the vacuum arc chamber. Two first rubber sealing strips 7 are arranged on the outer wall of the lower ring body 102. When the ring plate 1 is installed, the two first rubber sealing strips 7 can improve the sealing between the lower ring body 102 and the vacuum arc chamber, thereby ensuring the vacuum sealing of the vacuum arc chamber.

[0029] Refer to the instruction manual Figure 1-5The outer wall surface of the first rubber sealing ring 3 is provided with a plurality of third annular grooves 11, and a second rubber sealing ring 12 is fixedly sleeved in the plurality of third annular grooves 11 to improve the sealing performance of the first rubber sealing ring 3. The outer walls of the two first rubber sealing strips 7 are provided with arc grooves 13, and a second rubber sealing strip 14 is fixedly disposed in the plurality of arc grooves 13 to improve the sealing performance of the first rubber sealing strip 7.

[0030] By sleeved a plurality of second rubber sealing rings 12 on the outer wall of each first rubber sealing ring 3, when the upper ring body 101 and the lower ring body 102 are in contact with the vacuum arc extinguishing chamber, the plurality of second rubber sealing rings 12 are squeezed together with the first rubber sealing ring 3, and at the same time, the plurality of second rubber sealing strips 14 are squeezed together with the first rubber sealing strip 7, which can further improve the sealing between the upper ring body 101 and the lower ring body 102 and the vacuum arc extinguishing chamber.

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A sealing adapter ring, comprising a ring plate (1), characterized in that: The ring plate (1) comprises an upper ring body (101) and a lower ring body (102); the lower ring body (102) and the upper ring body (101) are integrally formed; a first annular groove (2) is provided at the bottom end of the upper ring body (101); a first rubber sealing ring (3) is provided in the first annular groove (2); and a plurality of first protrusions (4) are fixedly provided at the bottom end of the upper ring body (101); The outer wall of the lower ring body (102) is fixedly provided with a plurality of second protrusions (5) for improving the stability of the lower ring body (102) when it is fixed; the outer wall surface of the lower ring body (102) is provided with a second annular groove (6); two first rubber sealing strips (7) are provided in the second annular groove (6); the outer wall of the first rubber sealing strip (7) is provided with a plurality of through holes (8) adapted to the plurality of second protrusions (5); and the plurality of second protrusions (5) respectively penetrate the plurality of through holes (8).

2. A sealing ring according to claim 1, characterized in that: An insert block (9) is fixedly provided on one side of one of the first rubber sealing strips (7), and a slot (10) adapted to the insert block (9) is provided on one side of the other first rubber sealing strip (7), wherein the insert block (9) is inserted into the slot (10).

3. A sealing ring according to claim 1, characterized in that: The outer wall surface of the first rubber sealing ring (3) is provided with a plurality of third annular grooves (11), and a second rubber sealing ring (12) is fixedly sleeved in each of the plurality of third annular grooves (11) to improve the sealing performance of the first rubber sealing ring (3).

4. A sealing ring according to claim 1, characterized in that: The outer walls of the two first rubber sealing strips (7) are each provided with an arc-shaped groove (13), and a second rubber sealing strip (14) is fixedly arranged in each of the plurality of arc-shaped grooves (13) to improve the sealing performance of the first rubber sealing strip (7).

5. The sealing ring according to claim 1, characterized in that: A plurality of first protrusions (4) are distributed in a ring array at the bottom of the upper ring body (101), and the plurality of first protrusions (4) are all arranged outside the first rubber sealing ring (3) to improve the stability of the upper ring body (101) during installation.

6. The sealing ring according to claim 1, characterized in that: A plurality of second protrusions (5) are distributed in a ring array on the outer wall surface of the lower ring body (102) to improve the stability of the lower ring body (102) during installation.

7. The sealing adapter according to claim 1, characterized in that: The upper ring body (101), the lower ring body (102), the first protrusion (4) and the second protrusion (5) are all made of aluminum alloy, and are used to improve the strength of the upper ring body (101), the lower ring body (102), the first protrusion (4) and the second protrusion (5).

Images