CN215721485U - Movable double-layer sealing flange structure - Google Patents
Movable double-layer sealing flange structure Download PDFInfo
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- CN215721485U CN215721485U CN202121096559.0U CN202121096559U CN215721485U CN 215721485 U CN215721485 U CN 215721485U CN 202121096559 U CN202121096559 U CN 202121096559U CN 215721485 U CN215721485 U CN 215721485U
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Abstract
The utility model discloses a movable double-layer sealing flange structure, which comprises a bearing pipe, wherein the bearing pipe comprises a bearing inner pipe and a bearing outer pipe, a first flange assembly is arranged on the bearing inner pipe, a second flange assembly is also arranged on the bearing outer pipe, the first flange assembly comprises a first quick-connection flange front end cover, a sealing structure and a first quick-connection flange rear end cover, the first quick-connection flange front end cover is connected with the first quick-connection flange rear end cover through threads, the sealing structure is arranged between the first quick-connection flange front end cover and the first quick-connection flange rear end cover, the second flange assembly comprises a second flange front end cover, a sealing structure and a second flange rear end cover, the sealing structure is arranged between the second flange front end cover and the second flange rear end cover, the structure is convenient to disassemble, assemble and use, is convenient to rotate to realize free left and right sliding of the bearing inner pipe and manually adjust the sealing degree of the quick-connection flange structure, the sealing design of the double-layer sealing ring ensures the vacuum sealing environment in the corundum tube.
Description
Technical Field
The utility model belongs to the technical field of flange production, and particularly relates to a movable double-layer sealing flange structure.
Background
The vacuum flange is a detachable sealing connection type, can still maintain certain sealing performance after repeated disassembly and assembly, and can replace a sealing element damaged by aging, but the traditional vacuum flange has poor sealing performance in a connection link, further, under an ultrahigh temperature experiment, when the traditional quartz tube and the KF vacuum flange are connected for operation, the quartz tube cannot bear high temperature required by the experiment, the disassembly and assembly are complex, the stability and the reliability in the vacuumizing process cannot be ensured, the traditional vacuum flange cannot reasonably and effectively achieve the sealing condition of the whole quartz tube under the ventilation condition, in the traditional flange structure, a double-layer flange can not be used for adjusting the sealing structure, further, during the experiment of the traditional ultrahigh temperature vacuum flange, the sealing degree of the quick-connection flange structure can not be manually adjusted in the sample heating process, the inner pipe can not be further moved left and right to adapt to the convenient function of placing samples, and therefore a movable double-layer sealing flange structure is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a movable double-layer sealing flange structure to solve the existing problems, the movable double-layer sealing flange structure is more convenient to disassemble, assemble and use during working, simultaneously ensures the stability and reliability in the vacuumizing process, is convenient to rotate to realize free left and right sliding of a bearing inner pipe and manual adjustment of the sealing degree of the quick-connecting flange structure, and the sealing design of a double-layer sealing ring well ensures the vacuum sealing environment in a corundum pipe.
The technical scheme adopted by the utility model is as follows:
a movable double-layer sealing flange structure comprises a bearing pipe, wherein the bearing pipe comprises a bearing inner pipe and a bearing outer pipe arranged outside the bearing inner pipe, a first flange assembly is arranged on the bearing inner pipe, a second flange assembly is further arranged on the bearing outer pipe, the first flange assembly and the second flange assembly are fixedly connected through a connecting device, the first flange assembly comprises a first quick-connection flange front end cover, a sealing structure and a first quick-connection flange rear end cover, the first quick-connection flange front end cover and the first quick-connection flange rear end cover are connected through threads to achieve rotation adjustment of sealing degree, the sealing structure is arranged between the first quick-connection flange front end cover and the first quick-connection flange rear end cover, the second flange assembly comprises a second flange front end cover, a sealing structure and a second flange rear end cover, and the sealing structure is arranged between the second flange front end cover and the second flange rear end cover, and the second flange front end cover and the second flange rear end cover are sleeved on the bearing outer pipe.
As a preferred technical scheme, the bearing inner pipe and the bearing outer pipe are corundum pipes.
As a preferred technical scheme, the connecting device is a KF quick-connection hoop.
According to the preferable technical scheme, the sealing structure comprises a silica gel sealing ring and a flange double-cone ring, wherein the inner lining surfaces on two sides of the flange double-cone ring are also provided with circular conical surfaces which are distributed in an annular mode, and the silica gel sealing ring is arranged on the circular conical surfaces of the flange double-cone ring.
Further preferably, the silica gel sealing ring is installed in the state of the flange double-cone ring, and the highest point of the silica gel sealing ring is higher than that of the flange double-cone ring.
As a preferable technical scheme, conical surfaces are also arranged on the side surfaces, facing the sealing structure, of the front end cover of the first quick-connection flange and the rear end cover of the first quick-connection flange.
More preferably, the outer side surface of the front end cover of the first quick-connection flange is further provided with a knurling processed anti-slip part.
As a preferable technical scheme, the front end cover of the second flange is fixedly connected with the rear end cover of the second flange through bolts.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the first flange assembly and the second flange assembly are conveniently installed and fixed by arranging the KF quick-connection clamp, the KF quick-connection clamp is opened when a sample is loaded, and the KF quick-connection clamp and the sample are clamped after the sample is loaded so as to ensure that the two flange assemblies are airtight in a vacuum environment, and the corundum tube is used as a bearing tube, so that an adaptive experiment of an experimental sample under an ultrahigh temperature condition is realized, and the use value of the device is further improved;
2. according to the utility model, a split combined structure is adopted, the surface roughness of the sealing surface of the flange component is very small, so that the flange component has very good sealing performance, the requirements of disassembly and assembly can be met in a short time without any tool due to the adoption of the interface of a non-KF flange standard for design and manufacture, the O-shaped sealing ring is made of silicon rubber, and the silicon rubber is softer and has better elasticity; the flexible KF vacuum flange pipe matched with the flexible KF vacuum flange pipe is also called as a corrugated pipe, adopts a stainless steel strip continuous automatic welding forming process, has the characteristics of high temperature resistance, corrosion resistance, vibration resistance and long service life, is connected with the KF flange in the using process, is more convenient to disassemble, assemble and use in the working process, and simultaneously ensures the stability and reliability in the vacuumizing process;
3. according to the utility model, by arranging the first flange assembly, the first quick-connection flange front end cover is rotated to realize free left-right sliding of the bearing inner pipe, and meanwhile, the purpose of manually adjusting the sealing degree of the quick-connection flange structure is realized, the first quick-connection flange front end cover is connected with the first quick-connection flange rear end cover through threads, so that the rotation is convenient for adjustment, and the movement process of the bearing inner pipe is carried out during the experiment: when bearing the removal of inner tube, first connect flange front end housing to unscrew and make the horizontal slip that bears the inner tube can be freely, the lateral surface of first connect flange front end housing still is provided with the antiskid portion that the annular knurl was handled soon simultaneously, is convenient for rotate the regulation, and the experiment carries out the in-process: bear the inner tube and remove the regulation position after, first connect flange front end housing soon to screw up, bear the inner tube this moment and adopt double-deck silica gel sealing washer sealed can guarantee the vacuum state in the double-deck pipe with first connect flange subassembly soon to ensure that the experiment goes on smoothly, further improved the practicality and the high efficiency of this equipment.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is an assembly view of the overall structure of the present invention;
FIG. 3 is a cross-sectional structural view of a first quick connect flange front end cap of the present invention;
FIG. 4 is a schematic structural view of a first quick connect flange rear end cap of the present invention;
FIG. 5 is a sectional view of the structure taken along line A-A in FIG. 4;
FIG. 6 is a block diagram of a flanged double cone ring of the present invention;
FIG. 7 is a sectional view of the structure taken along line B-B in FIG. 6;
FIG. 8 is a block diagram of a second flanged front end cap of the present invention;
fig. 9 is a structural view of a second flange rear end cap of the present invention.
The labels in the figure are: 1-a bearing pipe, 2-a bearing inner pipe, 3-a bearing outer pipe, 4-a first flange component, 5-a second flange component, 6-a connecting device, 7-a first quick-connection flange front end cover, 8-a sealing structure, 9-a first quick-connection flange rear end cover, 10-a second flange front end cover, 11-a second flange rear end cover, 12-a silica gel sealing ring, 13-a flange double-cone ring, 14-a conical surface and 15-an anti-slip part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments.
As shown in connection with fig. 1-9;
a movable double-layer sealing flange structure comprises a bearing pipe 1, the bearing pipe 1 comprises a bearing inner pipe 2 and a bearing outer pipe 3 arranged outside the bearing inner pipe 2, the bearing inner pipe 2 and the bearing outer pipe 3 both adopt corundum pipes, a first flange component 4 is arranged on the bearing inner pipe 2, a second flange component 5 is also arranged on the bearing outer pipe 3, the first flange component 4 and the second flange component 5 are fixedly connected through a connecting device 6, the connecting device 6 is a KF quick-connection clamp, the first flange assembly and the second flange assembly are conveniently installed and fixed by arranging the KF quick-connection clamp, the KF quick-connection clamp is opened when a sample is loaded, the KF quick-connection clamp clamps the KF quick-connection clamp and the second flange assembly after the sample is loaded so as to ensure that the KF quick-connection clamp does not leak air in a vacuum environment, by adopting the corundum tube as the bearing tube, the adaptive experiment of the experimental sample under the condition of ultrahigh temperature is realized, and the use value of the device is further improved.
The split type combined structure is adopted, the surface roughness of the sealing surface of the flange assembly is very small, so that the split type combined structure has very good sealing performance, the requirements of disassembly and assembly can be met in a short time without any tool due to the design and manufacture of a non-KF flange standard interface, the O-shaped sealing ring is made of silicon rubber, and the silicon rubber material is soft and has good elasticity; the flexible KF vacuum flange pipe matched with the flexible KF vacuum flange pipe is also called a corrugated pipe, and the corrugated pipe adopts a stainless steel strip continuous automatic welding forming process, has the characteristics of high temperature resistance, corrosion resistance, vibration resistance and long service life, is connected with the KF flange in the use process, is more convenient to disassemble, assemble and use in the work process, and simultaneously ensures the stability and reliability in the vacuumizing process.
The first flange component 4 comprises a first quick-connection flange front end cover 7, a sealing structure 8 and a first quick-connection flange rear end cover 9, wherein the first quick-connection flange front end cover 7 is in threaded connection with the first quick-connection flange rear end cover 9, the sealing structure 8 is arranged between the first quick-connection flange front end cover 7 and the first quick-connection flange rear end cover 9, a conical surface 14 matched with a silica gel sealing ring 12 structure is also arranged on the side surfaces, facing the silica gel sealing ring 12, of the first quick-connection flange front end cover 7 and the first quick-connection flange rear end cover 9, a knurling anti-skidding part 15 is further arranged on the outer side surface of the first quick-connection flange front end cover 7, the first quick-connection flange front end cover is sleeved on the bearing inner pipe, the inner diameter of the bearing inner pipe is larger than the outer diameter of the silica gel sealing ring, the sealing structure is driven to move through rotation, so that the movement of the bearing inner pipe and the adjustment of the sealing degree are realized, and the second flange component 5 comprises a second flange front end cover 10, A sealing structure 8 and a second flange rear end cover 11, wherein the sealing structure 8 is arranged between the second flange front end cover 10 and the second flange rear end cover 11, and the second flange front end cover 10 and the second flange rear end cover 11 are sleeved on the bearing outer pipe 3, the side surfaces of the second flange front end cover 10 and the second flange rear end cover 11 facing the silica gel sealing ring 12 are also provided with conical surfaces 14 matched with the structure of the silica gel sealing ring 12, the second flange front end cover 10 and the second flange rear end cover 11 are fixedly connected through bolts, the sealing structure 8 comprises the silica gel sealing ring 12 and a flange double-cone ring 13, the inner lining surfaces at the two sides of the flange double-cone ring 13 are also provided with the conical surfaces 14 distributed annularly, and the silica gel sealing ring 12 is arranged at the conical surface 14 of the flange double-conical ring 13, and the highest point of the silica gel sealing ring 12 is higher than that of the flange double-conical ring 13 under the state that the silica gel sealing ring 12 is arranged on the flange double-conical ring 13.
Through setting up first flange subassembly, rotate first quick flange front end housing and realized bearing the inner tube horizontal slip freely, realized the purpose of manual regulation quick flange structure sealing degree simultaneously, first quick flange front end housing and first quick flange rear end housing between through threaded connection, be convenient for rotate and adjust, bear the inner tube and remove the process in the experiment is carried out: when bearing the removal of inner tube, first connect flange front end housing to unscrew and make the horizontal slip that bears the inner tube can be freely, the lateral surface of first connect flange front end housing still is provided with the antiskid portion that the annular knurl was handled soon simultaneously, is convenient for rotate the regulation, and the experiment carries out the in-process: bear the inner tube and remove the regulation position after, first connect flange front end housing soon to screw up, bear the inner tube this moment and adopt double-deck silica gel sealing washer sealed can guarantee the vacuum state in the double-deck pipe with first connect flange subassembly soon to ensure that the experiment goes on smoothly, further improved the practicality and the high efficiency of this equipment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a portable double-deck sealed flange structure which characterized in that: the bearing pipe comprises a bearing pipe (1), wherein the bearing pipe (1) comprises a bearing inner pipe (2) and a bearing outer pipe (3) arranged on the outer side of the bearing inner pipe (2), a first flange assembly (4) is arranged on the bearing inner pipe (2), a second flange assembly (5) is further arranged on the bearing outer pipe (3), the first flange assembly (4) and the second flange assembly (5) are fixedly connected through a connecting device (6), the first flange assembly (4) comprises a first quick-connection flange front end cover (7), a sealing structure (8) and a first quick-connection flange rear end cover (9), the first quick-connection flange front end cover (7) and the first quick-connection flange rear end cover (9) are connected through threads to achieve rotation adjustment of sealing degree, and the sealing structure (8) is arranged between the first quick-connection flange front end cover (7) and the first quick-connection flange rear end cover (9), the second flange assembly (5) comprises a second flange front end cover (10), a sealing structure (8) and a second flange rear end cover (11), wherein the sealing structure (8) is installed between the second flange front end cover (10) and the second flange rear end cover (11), and the second flange front end cover (10) and the second flange rear end cover (11) are all sleeved on the bearing outer pipe (3).
2. A mobile double-layer sealing flange structure according to claim 1, wherein: the bearing inner tube (2) and the bearing outer tube (3) both adopt corundum tubes.
3. A mobile double-layer sealing flange structure according to claim 1, wherein: the connecting device (6) is a KF quick-connection hoop.
4. A mobile double-layer sealing flange structure according to claim 1, wherein: seal structure (8) include silica gel sealing washer (12) and the two conical ring of flange (13), the both sides inside lining face of the two conical ring of flange (13) still is provided with circular conical surface (14) that the annular distributes, just silica gel sealing washer (12) are installed circular conical surface (14) department of the two conical ring of flange (13).
5. The mobile double-layer sealing flange structure according to claim 4, wherein: the silica gel sealing ring (12) is installed under the state of the flange double-cone ring (13), and the highest point of the silica gel sealing ring (12) is higher than that of the flange double-cone ring (13).
6. A mobile double-layer sealing flange structure according to claim 1, wherein: and conical surfaces (14) are also arranged on the side surfaces, facing the sealing structure (8), of the first quick-connection flange front end cover (7) and the first quick-connection flange rear end cover (9).
7. The mobile double-layer sealing flange structure according to claim 6, wherein: and a knurled anti-skid part (15) is further arranged on the outer side surface of the front end cover (7) of the first quick-connection flange.
8. A mobile double-layer sealing flange structure according to claim 1, wherein: the second flange front end cover (10) and the second flange rear end cover (11) are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096559.0U CN215721485U (en) | 2021-05-19 | 2021-05-19 | Movable double-layer sealing flange structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096559.0U CN215721485U (en) | 2021-05-19 | 2021-05-19 | Movable double-layer sealing flange structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215721485U true CN215721485U (en) | 2022-02-01 |
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ID=80032160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121096559.0U Active CN215721485U (en) | 2021-05-19 | 2021-05-19 | Movable double-layer sealing flange structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215721485U (en) |
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2021
- 2021-05-19 CN CN202121096559.0U patent/CN215721485U/en active Active
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