CN216590413U - Vacuum negative pressure flange - Google Patents
Vacuum negative pressure flange Download PDFInfo
- Publication number
- CN216590413U CN216590413U CN202123420320.7U CN202123420320U CN216590413U CN 216590413 U CN216590413 U CN 216590413U CN 202123420320 U CN202123420320 U CN 202123420320U CN 216590413 U CN216590413 U CN 216590413U
- Authority
- CN
- China
- Prior art keywords
- flange
- ring flange
- ring
- pipeline
- negative pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a vacuum negative pressure flange relates to flange technical field, for solving current vacuum negative pressure flange and need increase the sealing member of deformability in its inside, the inside sealing member of back ring flange can produce certain wearing and tearing when long-term the use, leads to its unable problem that reaches the vacuum effect. One side of first ring flange is provided with the connector, the one side of beating the second ring flange is provided with connector, two one side of connector is provided with first installation pipe and second installation pipe respectively, be provided with fixed mouthful on the first ring flange, be provided with fixed mouthful on the second ring flange, and fixed mouthful is provided with a plurality of, install connecting screw on the fixed mouthful, and connecting screw installs eight, first ring flange and second ring flange pass through the connecting screw threaded connection on the fixed mouthful, the opposite side of first ring flange is provided with the connecting pipe, the opposite side of second ring flange is provided with the connecting pipe.
Description
Technical Field
The utility model relates to a flange technical field specifically is a vacuum negative pressure flange.
Background
The connecting flange is a detachable joint which is used for fixing two pipelines, pipe fittings or equipment on a flange respectively, then adding a flange pad between the two flanges and finally tightening the two flanges by bolts to tightly combine the two flanges. A connection between a stationary pipe to a rotating or reciprocating device can be achieved. When the flange is installed, the two flanges are required to be kept parallel, the sealing surfaces of the flanges cannot be damaged by collision, and the flanges need to be cleaned up. Meanwhile, when the flange gasket is used, the flange gasket is selected according to different regulations. The flange connection has the main characteristics of convenient disassembly, high strength and good sealing performance. The flange connection is widely used in industrial pipelines, for example, in an indoor fire hydrant water supply system, various valves such as a butterfly valve, a gate valve, a check valve and the like are connected with the pipelines.
However, the existing vacuum negative pressure connecting flange needs to be additionally provided with a deformable sealing element inside, and the sealing element inside the flange plate can generate certain abrasion after being used for a long time, so that the vacuum function of the flange plate cannot be achieved; therefore, the existing requirements are not met, and a vacuum negative pressure connecting flange is provided for the requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum negative pressure flange to the current vacuum negative pressure flange that proposes in solving above-mentioned background art need increase the sealing member of deformability in its inside, and the inside sealing member of back ring flange can produce certain wearing and tearing when using for a long time, leads to its unable problem that reaches the vacuum effect.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vacuum negative pressure flange, includes first ring flange, second ring flange, first vacuum seal circle and second vacuum seal circle, one side of first ring flange is provided with the connector, one side of second ring flange is provided with the connector, two one side of connector is provided with first installation pipe and second installation pipe respectively, be provided with fixed mouthful on the first ring flange, be provided with fixed mouthful on the second ring flange, and fixed mouthful is provided with a plurality of.
Preferably, the fixed port is provided with eight connecting screws, and the first flange plate is in threaded connection with the second flange plate through the connecting screws on the fixed port.
Preferably, a connecting pipe is arranged on the other side of the first flange plate, a connecting pipe is arranged on the other side of the second flange plate, a first threaded connector is arranged on the inner wall of one side of the first mounting pipe and the inner wall of one side of the second mounting pipe, and a second threaded connector is arranged on the inner wall of the connecting pipe.
Preferably, a first pipeline is installed in the first installation pipe, a second pipeline is installed in the second installation pipe, one side of the first pipeline and one side of the second pipeline are in threaded connection with a first threaded interface inside the first installation pipe and the second installation pipe through a first threaded interface, and the other side of the first pipeline and the other side of the second pipeline are in threaded connection with a second threaded interface on the inner wall of the connecting pipe.
Preferably, one side of the first pipeline is provided with a first vacuum sealing ring, and one side of the second pipeline is provided with a second vacuum sealing ring.
Preferably, the connecting pipe is provided with a connecting fastening ring, the connecting fastening ring is internally provided with a sealing gasket, the top of the connecting fastening ring is provided with a fixing plate, and the fixing plate is provided with a fixing screw.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a what be connected at first pipeline and second pipeline has one side to peg graft respectively and installed first vacuum seal circle and second vacuum seal circle, install the pipeline again on the ring flange and connect fixed back, two vacuum seal circle can contact, and extrude each other and make the inside vacuous state that forms of sealing washer, produce suction, utilize two sealing washer extrusions to produce the state that the vacuum can reduce wearing and tearing when improving the leakproofness, guarantee its sealing performance, the inside sealing member that has solved current vacuum negative pressure flange and need increase deformability in its inside, the inside sealing member of back ring flange can produce certain wearing and tearing when using for a long time, lead to its unable problem that reaches the vacuum effect.
2. Through set up the hickey respectively in the inside of connecting pipe and installation pipe, when the installation pipeline, can utilize the hickey of two places to strengthen the steadiness of ring flange and pipe connection, still installed the connection tighrening ring on the connecting pipe simultaneously, can play fixed effect to the junction of two connecting pipes, the condition of leaking can be avoided appearing in the junction to its inside sealed pad simultaneously.
Drawings
FIG. 1 is a schematic view of the overall structure of the vacuum negative pressure connecting flange of the present invention;
FIG. 2 is a schematic view of the exploded internal structure of the vacuum negative pressure connecting flange of the present invention;
FIG. 3 is an enlarged view of the mounting structure of the vacuum seal ring inside the mounting tube of the present invention;
FIG. 4 is an enlarged view of the fastening ring structure of the present invention;
in the figure: 1. a first flange plate; 2. a second flange plate; 3. a connecting screw; 4. a connecting port; 5. a first mounting tube; 6. a second mounting tube; 7. a first threaded interface; 8. a second threaded interface; 9. a connecting pipe; 10. a fixed port; 11. a first conduit; 12. a second conduit; 13. a first vacuum seal ring; 14. a second vacuum seal ring; 15. connecting a fastening ring; 16. a gasket; 17. a fixing plate; 18. and fixing the screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a vacuum negative pressure flange, includes first ring flange 1, second ring flange 2, first vacuum seal ring 13 and second vacuum seal ring 14, and one side of first ring flange 1 is provided with connector 4, and one side of second ring flange 2 is provided with connector 4, and one side of two connectors 4 is provided with first installation pipe 5 and second installation pipe 6 respectively, is provided with fixed mouthful 10 on the first ring flange 1, is provided with fixed mouthful 10 on the second ring flange 2, and fixed mouthful 10 is provided with a plurality of.
Furthermore, the fixing port 10 is provided with eight connecting screws 3, the first flange plate 1 and the second flange plate 2 are in threaded connection through the connecting screws 3 on the fixing port 10, and the two flange plates are fixedly connected through the connecting screws 3.
Further, the other side of first ring flange 1 is provided with connecting pipe 9, and the opposite side of second ring flange 2 is provided with connecting pipe 9, is provided with first hickey 7 on the inside one side inner wall of first installation pipe 5 and second installation pipe 6, is provided with second hickey 8 on the inner wall of connecting pipe 9, guarantees the fastening degree of installation.
Further, install first pipeline 11 in the first installation pipe 5, install second pipeline 12 in the second installation pipe 6, one side of first pipeline 11 and second pipeline 12 is through first hickey 7 and the first hickey 7 threaded connection of first installation pipe 5 and the inside of second installation pipe 6, the opposite side of first pipeline 11 and second pipeline 12 and the second hickey 8 threaded connection of connecting pipe 9 inner wall, utilize the hickey of connecting pipe 9 and the inside two places of installation pipe to strengthen ring flange and tube coupling's steadiness during the installation.
Further, one side of first pipeline 11 is provided with first vacuum seal ring 13, and second vacuum seal ring 14 is installed to one side of second pipeline 12, with the pipeline mounting on the ring flange and connect fixed back, two vacuum seal rings can contact to mutual extrusion makes the inside vacuous state that forms of sealing washer, produces suction, utilizes two sealing washer extrusion to produce the state that the vacuum can reduce wearing and tearing when improving the leakproofness, guarantees its sealing performance.
Further, install on the connecting pipe 9 and connect tighrening ring 15, the internally mounted who connects tighrening ring 15 has sealed the pad 16, and the top of connecting tighrening ring 15 is provided with fixed plate 17, installs set screw 18 on the fixed plate 17, can play fixed effect to the junction of two connecting pipes 9, and the condition of leaking can be avoided appearing in the junction to the sealed pad 16 of its inside simultaneously.
The working principle is as follows: when in use, a first vacuum sealing ring 13 and a second vacuum sealing ring 14 are respectively inserted and installed on one side where a first pipeline 11 and a second pipeline 12 are connected, then the pipelines are installed on a flange plate and connected and fixed, the two vacuum sealing rings are contacted and mutually extruded to enable the interior of the sealing rings to form a vacuum state, suction force is generated, the state of abrasion can be reduced by utilizing the vacuum generated by extruding the two sealing rings while the sealing performance is improved, the problem that the existing vacuum negative pressure connecting flange needs to be additionally provided with a deformable sealing element inside, the sealing element inside the flange plate can generate certain abrasion when the existing vacuum negative pressure connecting flange is used for a long time, and the vacuum effect can not be achieved is solved, in addition, the connecting stability of the flange plate and the pipelines is enhanced by utilizing threaded interfaces at two positions inside the connecting pipe 9 and the installing pipe during installation, and meanwhile, a connecting and fastening ring 15 is also installed on the connecting pipe 9, the joint of the two connecting pipes 9 can be fixed, and meanwhile, the sealing gasket 16 in the joint can avoid the situation of leakage at the joint.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a vacuum negative pressure flange, includes first ring flange (1), second ring flange (2), first vacuum seal circle (13) and second vacuum seal circle (14), its characterized in that: one side of first ring flange (1) is provided with connector (4), one side of second ring flange (2) is provided with connector (4), two one side of connector (4) is provided with first installation pipe (5) and second installation pipe (6) respectively, be provided with fixed mouthful (10) on first ring flange (1), be provided with fixed mouthful (10) on second ring flange (2), and fixed mouthful (10) are provided with a plurality of.
2. A vacuum negative pressure attachment flange according to claim 1, wherein: install connecting screw (3) on fixed mouthful (10), and connecting screw (3) install eight, first ring flange (1) passes through connecting screw (3) threaded connection on fixed mouthful (10) with second ring flange (2).
3. A vacuum negative pressure attachment flange according to claim 1, wherein: the opposite side of first ring flange (1) is provided with connecting pipe (9), the opposite side of second ring flange (2) is provided with connecting pipe (9), be provided with first hickey (7) on the inside one side inner wall of first installation pipe (5) and second installation pipe (6), be provided with second hickey (8) on the inner wall of connecting pipe (9).
4. A vacuum negative pressure connecting flange according to claim 3, wherein: install first pipeline (11) in first installation pipe (5), install second pipeline (12) in second installation pipe (6), one side of first pipeline (11) and second pipeline (12) is through first hickey (7) and first installation pipe (5) and the inside first hickey (7) threaded connection of second installation pipe (6), the opposite side of first pipeline (11) and second pipeline (12) and second hickey (8) threaded connection of connecting pipe (9) inner wall.
5. A vacuum negative pressure connecting flange according to claim 4, wherein: a first vacuum sealing ring (13) is arranged on one side of the first pipeline (11), and a second vacuum sealing ring (14) is mounted on one side of the second pipeline (12).
6. A vacuum negative pressure connecting flange according to claim 3, wherein: install on connecting pipe (9) and connect tighrening ring (15), the internally mounted who connects tighrening ring (15) has sealed the pad (16), the top of connecting tighrening ring (15) is provided with fixed plate (17), install set screw (18) on fixed plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123420320.7U CN216590413U (en) | 2021-12-31 | 2021-12-31 | Vacuum negative pressure flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123420320.7U CN216590413U (en) | 2021-12-31 | 2021-12-31 | Vacuum negative pressure flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216590413U true CN216590413U (en) | 2022-05-24 |
Family
ID=81632004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123420320.7U Active CN216590413U (en) | 2021-12-31 | 2021-12-31 | Vacuum negative pressure flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216590413U (en) |
-
2021
- 2021-12-31 CN CN202123420320.7U patent/CN216590413U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106122639A (en) | A kind of hose connection device | |
| CN216590413U (en) | Vacuum negative pressure flange | |
| CN219954601U (en) | Connection structure of composite hose | |
| CN110701400A (en) | Quick self-sealing's pipe joint | |
| CN211315429U (en) | Sealing flange with pressure check ring | |
| CN210770806U (en) | Locking type pipe clamp | |
| CN210950304U (en) | Sealing structure of connecting pipe | |
| CN210600553U (en) | Building water supply and drainage pipeline connecting device | |
| CN220204982U (en) | Flange with good sealing effect | |
| CN212616888U (en) | Flange for pipeline connection | |
| CN217422523U (en) | High-sealing water-cooling flange | |
| CN209839449U (en) | Pressure test tool for pipeline | |
| CN221482914U (en) | Rubber hydraulic hose assembly | |
| CN221034565U (en) | Steel-plastic adapter with good sealing performance | |
| CN215111245U (en) | High-sealing-performance elbow structure for pipeline connection | |
| CN216555809U (en) | Anti-drop flange for connecting chemical pipeline | |
| CN213576083U (en) | Low-pressure jacket flange | |
| CN221145695U (en) | Double-seal automobile air conditioner three-joint | |
| CN212080448U (en) | Telescopic flange | |
| CN212080438U (en) | Flange convenient to install | |
| CN210291092U (en) | T-shaped two-way pipe | |
| CN221443624U (en) | Stainless steel sculpture pipe fitting connecting device | |
| CN218818774U (en) | Flange fastening device | |
| CN217559317U (en) | Improved pipeline pressure test conversion part | |
| CN219912067U (en) | Just, clean room wallboard and wall bushing sealing device of installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |