CN220151890U - Carbon graphite ring shaft sealing structure - Google Patents

Carbon graphite ring shaft sealing structure Download PDF

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Publication number
CN220151890U
CN220151890U CN202321619239.8U CN202321619239U CN220151890U CN 220151890 U CN220151890 U CN 220151890U CN 202321619239 U CN202321619239 U CN 202321619239U CN 220151890 U CN220151890 U CN 220151890U
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China
Prior art keywords
sealing
valve
cavity
seal
sealing cavity
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Active
Application number
CN202321619239.8U
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Chinese (zh)
Inventor
吴强
周春
唐雁虹
杨梅
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Wuxi Zhongqiang Electrical Carbon Co ltd
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Wuxi Zhongqiang Electrical Carbon Co ltd
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Priority to CN202321619239.8U priority Critical patent/CN220151890U/en
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Publication of CN220151890U publication Critical patent/CN220151890U/en
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Abstract

The utility model discloses a carbon graphite ring shaft sealing structure which comprises a carbon ring sealing element and a sealing assembly, wherein the carbon ring sealing element comprises an upper sealing cavity valve and a lower sealing cavity valve at the upper end and the lower end, and a plurality of groups of sealing rings are arranged between the upper sealing cavity valve and the lower sealing cavity valve. According to the carbon graphite ring shaft sealing structure, the sealing gasket is tightly pressed and installed in the sealing openings at the two sides between the upper valve of the sealing cavity and the lower valve of the sealing cavity, and the inner positioning columns in the sealing openings are in matched connection with the inner positioning holes in the sealing gasket, so that the stress in the sealing gasket is balanced, the sealing gasket is uniformly covered on the two sides of the sealing opening after being deformed, good sealing of gaps at the two sides after the upper valve of the sealing cavity and the lower valve of the sealing cavity are closed is achieved, and the outer positioning holes and the outer positioning columns in matched positioning connection at four corners of the upper valve of the sealing cavity and the lower valve of the sealing cavity can be ensured, and the inner positioning columns in the sealing opening and the inner positioning holes in the sealing gasket can be also in quick positioning matched connection.

Description

Carbon graphite ring shaft sealing structure
Technical Field
The utility model relates to the technical field of carbon ring sealing, in particular to a carbon graphite ring shaft sealing structure.
Background
The carbon graphite ring shaft sealing structure is also called carbon ring sealing, and belongs to one type of floating sealing, the carbon ring sealing structure comprises an annular sealing cavity and an annular shaft sleeve, an annular groove is arranged in the sealing cavity, and at least two annular graphite sealing rings with rectangular sections are arranged in the groove.
Existing carbocycle seal structure, like the novel fan carbocycle seal structure of publication No. CN219139449U, though have the advantage that improves carbocycle overall seal nature, but in this carbocycle seal spare seal cavity upper lobe and seal cavity lower lobe both sides junction do not increase seal structure, and then make this carbocycle seal spare in using, both sides junction gap department has sealing problem, and for this reason, we propose carbon graphite annular shaft seal structure.
Disclosure of Invention
The utility model mainly aims to provide a carbon graphite ring shaft sealing structure which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the carbon graphite ring shaft sealing structure comprises a carbon ring sealing element and a sealing assembly, wherein the carbon ring sealing element comprises an upper sealing cavity valve and a lower sealing cavity valve at the upper end and the lower end, a plurality of groups of sealing rings are arranged between the upper sealing cavity valve and the lower sealing cavity valve, the sealing assembly comprises sealing ports formed in the outer parts of the two sides of the upper valve and the lower valve of the sealing cavity in a concave manner, and a plurality of groups of inner positioning columns welded and fixed in the sealing ports, and sealing gaskets are movably matched and installed in the sealing ports on the two sides between the upper valve and the lower valve of the sealing cavity.
Preferably, the sealing assembly further comprises a plurality of groups of inner positioning holes which are arranged in the sealing gasket in a penetrating manner, and the inner positioning holes are matched with the inner positioning columns.
Preferably, the sealing assembly further comprises a plurality of groups of outer positioning holes formed in the four corners of the upper end of the lower valve of the sealing cavity in a concave manner, and a plurality of groups of outer positioning columns fixedly arranged in the four corners of the lower end of the upper valve of the sealing cavity, wherein the outer positioning columns are matched with the outer positioning holes.
Preferably, the sealing assembly further comprises a plurality of groups of locking screws fixedly arranged between the upper sealing cavity valve and the lower sealing cavity valve at the two sides of the outer end of the sealing port.
Compared with the prior art, the utility model has the following beneficial effects:
1. the sealing gasket is installed in the sealing openings on two sides between the upper valve of the sealing cavity and the lower valve of the sealing cavity in a pressing mode, and the inner positioning columns in the sealing openings are connected with the inner positioning holes in the sealing gasket in a matching mode, and can ensure that stress in the pressing of the sealing gasket is balanced, so that the sealing gasket is evenly covered on two sides of the sealing openings after being deformed, good sealing of gaps on two sides after the upper valve of the sealing cavity and the lower valve of the sealing cavity are achieved, and the outer positioning holes and the outer positioning columns in the sealing cavity and four corners of the lower valve of the sealing cavity are connected in a matching mode, and can also ensure quick positioning and matching connection of the inner positioning columns in the sealing opening and the inner positioning holes in the sealing gasket.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a split view of the present utility model;
fig. 3 is an enlarged view of fig. 2 a in accordance with the present utility model.
Reference numerals:
100. a carbon ring seal; 101. sealing the upper valve of the cavity; 102. sealing the lower valve of the cavity; 103. a seal ring;
200. a seal assembly; 201. sealing the mouth; 202. an inner positioning column; 203. a sealing gasket; 204. an inner positioning hole; 205. an outer locating hole; 206. an outer positioning column; 207. locking the screw.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Embodiment one:
as shown in fig. 1-3, this embodiment provides a carbon graphite ring shaft sealing structure, including a carbon ring sealing member 100 and a sealing assembly 200, the carbon ring sealing member 100 includes a sealing cavity upper lobe 101 and a sealing cavity lower lobe 102 at the upper and lower ends, and multiple sets of sealing rings 103 installed between the sealing cavity upper lobe 101 and the sealing cavity lower lobe 102, the sealing assembly 200 includes a sealing port 201 formed by recessing the two sides of the sealing cavity upper lobe 101 and the sealing cavity lower lobe 102, and multiple sets of inner positioning columns 202 welded and fixed in the sealing port 201, sealing gaskets 203 are installed in the sealing ports 201 at the two sides of the sealing cavity upper lobe 101 and the sealing cavity lower lobe 102 in a movable matching manner, the sealing assembly 200 further includes multiple sets of inner positioning holes 204 formed in the sealing gasket 203 in a penetrating manner, and matched between the inner positioning holes 204 and the inner positioning columns 202, the sealing assembly 200 further includes multiple sets of outer positioning columns 206 formed by recessing at the four corners of the upper end of the sealing cavity lower lobe 102, and the outer positioning columns 206 are fixed with the outer positioning columns 205, and the sealing assembly 200 further includes multiple sets of screw locking bolts arranged between the sealing cavity upper and lower end 101 and the sealing cavity lower end of the sealing assembly 200.
Specifically, the carbon graphite ring shaft sealing structure is also called as a carbon ring seal, and belongs to a floating seal, the carbon ring sealing structure comprises an annular sealing cavity and an annular shaft sleeve, an annular groove is formed in the sealing cavity, at least two annular graphite sealing rings 103 with rectangular cross sections are arranged in the groove, sealing gaskets 203 which are installed in the sealing openings 201 on two sides between the sealing cavity upper flap 101 and the sealing cavity lower flap 102 in a pressing manner are arranged in the carbon ring sealing piece 100, and inner positioning columns 202 which are connected with the inner positioning holes 204 in the sealing gaskets 203 in a matching manner in the sealing openings 201 can also ensure that the stress in the pressing manner of the sealing gaskets 203 is balanced, so that the sealing gaskets 203 are uniformly covered on two sides of the sealing openings 201 after being deformed, good sealing is realized on two side gaps after the sealing cavity upper flap 101 and the sealing cavity lower flap 102 are closed, and the outer positioning holes 205 and the outer positioning columns 206 which are connected in a matching manner are arranged on the sealing cavity upper flap 101 and the sealing cavity lower flap 102 are also ensured, meanwhile, the inner positioning columns 202 in the sealing openings 201 and the inner positioning holes 204 in the sealing openings 203 are fast in a matching manner can also be ensured, and meanwhile, the sealing structure between the sealing cavity upper flap 101 and the sealing cavity lower flap 102 is simple and convenient to install.
The working principle and the using flow of the utility model are as follows:
when the carbocycle sealing member 100 is assembled, firstly, the sealing rings 103 are sequentially installed inside the lower sealing cavity valve 102, after the sealing rings 103 are installed, the sealing gaskets 203 are placed inside the sealing openings 201 on two sides of the lower sealing cavity valve 102, a plurality of groups of inner positioning holes 204 in the sealing gaskets 203 are matched and installed to the outer ends of the inner positioning columns 202 in the sealing openings 201, after the sealing gaskets 203 on two sides of the lower sealing cavity valve 102 are matched and installed, the upper sealing cavity valve 101 is matched and connected with the outer positioning holes 205 on four corners of the upper end of the lower sealing cavity valve 102 through the outer positioning columns 206 on four corners, so that two ends of the sealing gaskets 203 are located in the sealing openings 201 in the upper sealing cavity valve 101 and the lower sealing cavity valve 102, and locking screws 207 on two sides of the upper sealing cavity valve 101 and the lower sealing cavity valve 102 are locked, and the sealing gaskets 203 are uniformly pressed to two sides of the sealing openings 201, and accordingly the sealing performance of the joint of the upper sealing cavity valve 101 and the lower sealing cavity valve 102 is ensured.
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 spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (4)

1. Carbon graphite ring shaft seal structure, including carbocycle sealing member (100) and seal assembly (200), carbocycle sealing member (100) are including upper and lower end's seal chamber upper lobe (101) and seal chamber lower lobe (102), and multiunit sealing ring (103) of installation between seal chamber upper lobe (101) and seal chamber lower lobe (102), a serial communication port, seal assembly (200) are including seal chamber upper lobe (101) and seal chamber lower lobe (102) both sides outside seal mouth (201) that all set up down to and seal mouth (201) internal weld fixed's multiunit internal location post (202), still equal movable fit installs sealing pad (203) in both sides seal mouth (201) between seal chamber upper lobe (101) and seal chamber lower lobe (102).
2. The carbon graphite ring shaft sealing structure according to claim 1, wherein the sealing assembly (200) further comprises a plurality of groups of inner positioning holes (204) arranged in the sealing gasket (203) in a penetrating manner, and the inner positioning holes (204) are matched with the inner positioning columns (202).
3. The carbon graphite ring shaft sealing structure according to claim 1, wherein the sealing assembly (200) further comprises a plurality of groups of outer positioning holes (205) formed in the four corners of the upper end of the lower valve (102) of the sealing cavity in a concave manner, and a plurality of groups of outer positioning columns (206) fixedly arranged in the four corners of the lower end of the upper valve (101) of the sealing cavity, and the outer positioning columns (206) are matched with the outer positioning holes (205).
4. The carbon graphite ring shaft sealing structure according to claim 1, wherein the sealing assembly (200) further comprises a plurality of groups of locking screws (207) fixedly installed between the upper sealing cavity valve (101) and the lower sealing cavity valve (102) at two sides of the outer end of the sealing port (201).
CN202321619239.8U 2023-06-25 2023-06-25 Carbon graphite ring shaft sealing structure Active CN220151890U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321619239.8U CN220151890U (en) 2023-06-25 2023-06-25 Carbon graphite ring shaft sealing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321619239.8U CN220151890U (en) 2023-06-25 2023-06-25 Carbon graphite ring shaft sealing structure

Publications (1)

Publication Number Publication Date
CN220151890U true CN220151890U (en) 2023-12-08

Family

ID=89019029

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321619239.8U Active CN220151890U (en) 2023-06-25 2023-06-25 Carbon graphite ring shaft sealing structure

Country Status (1)

Country Link
CN (1) CN220151890U (en)

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