Flange leakage-proof structure

Abstract

The utility model discloses a flange leakproof structure, which relates to the technical field of flanges and comprises an upper protective shell, a supporting shaft is connected to the outer wall of the upper protective shell through a bearing, a lower protective shell is connected to the outer wall of the supporting shaft through a bearing, and a fixed long block is fixedly connected to the outer wall of the lower protective shell. And threaded holes are formed in the inner walls of the fixing long blocks, the outer walls of the threaded holes are in threaded connection with fastening bolts, the outer walls of the fastening bolts are in threaded connection with connecting long blocks, and a gasket is fixedly connected to the inner wall of the upper protective shell. A user screws a fastening bolt through a threaded hole, a fixed long block on the outer wall of the upper protective shell and a connecting long block on the outer wall of the lower protective shell can be conveniently locked, and a gasket, a first leakage-proof gasket and a second leakage-proof gasket which are arranged on the inner walls of the upper protective shell and the lower protective shell are matched for use; the leakage-proof effect on the flange can be achieved, and the using effect of the device is improved to a certain degree.

Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a flange leakage prevention structure. Background Art

[0002] Flange, also known as flange flange or flange, is a part that connects shafts to each other and is used to connect pipe ends. It is also used in equipment inlets and outlets to connect two devices, such as reducer flanges. Flange connection or flange joint refers to a detachable connection composed of flanges, gaskets and bolts as a combined sealing structure.

[0003] The flange leak-proof structure in the prior art has the problem of poor sealing effect during use that has not been solved, which is inconvenient for people to use to a certain extent; the flange leak-proof structure in the prior art may be inconvenient to disassemble and repair during use, which may reduce the use effect of the device.

[0004] Therefore, how to provide a flange leakage-proof structure has become an urgent problem to be solved by those skilled in the art. Utility Model Content

[0005] The utility model provides a flange leakage prevention structure to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A flange leak-proof structure includes an upper protective shell, the outer wall bearing of the upper protective shell is connected to a support shaft, the outer wall bearing of the support shaft is connected to a lower protective shell, the outer wall of the lower protective shell is fixedly connected to a fixed long block, and the inner wall of the fixed long block is provided with a threaded hole.

[0008] The outer wall of the threaded hole is threadedly connected to a fastening bolt, the outer wall of the fastening bolt is threadedly connected to a connecting long block, the inner wall of the upper protective shell is fixedly connected to a gasket, the outer wall of the upper protective shell is fixedly connected to a first leak-proof gasket, and the outer wall of the upper protective shell is fixedly connected to a second leak-proof gasket.

[0009] A further improvement of the technical solution of the present utility model is that the outer wall of the gasket is fitted with a threaded joint, the outer wall of the threaded joint is fixedly connected to a first flange, the outer wall of the threaded joint is threadedly connected to a connecting joint, and the outer wall of the connecting joint is fixedly connected to a second flange.

[0010] By adopting the above technical solution, the structural threaded joint and the connecting joint in the solution are used in coordination with each other, thereby facilitating disassembly and maintenance.

[0011] The further improvement of the utility model technical scheme lies in: the structure of the threaded joint and the connecting joint is mutually embedded, and the threaded joint and the connecting joint are mutually parallel.

[0012] By adopting the technical scheme, the structure threaded joint is arranged, so that the threaded joint is convenient to splice with the connecting joint.

[0013] The further improvement of the utility model technical scheme lies in: the fastening bolt is arranged along the central axis of the fixed long block.

[0014] By adopting the technical scheme, the structure fastening bolt is arranged, so that the fastening bolt is convenient to achieve the locking effect.

[0015] The further improvement of the utility model technical scheme lies in: the upper protective shell and the lower protective shell are mutually matched in size, and the inner wall of the lower protective shell is provided with a gasket.

[0016] By adopting the technical scheme, the structure upper protective shell and the lower protective shell are arranged, so that the flange workpiece is convenient to be clamped, and the leakage prevention effect is achieved.

[0017] The further improvement of the utility model technical scheme lies in: the first leakage prevention gasket and the second leakage prevention gasket are mutually perpendicular, and the first leakage prevention gasket and the second leakage prevention gasket are equal in size.

[0018] By adopting the technical scheme, the structure first leakage prevention gasket and the second leakage prevention gasket are mutually matched, so that the flange leakage prevention effect is enhanced.

[0019] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0020] 1、 the utility model provides a kind of flange leakage prevention structure, and the mutual cooperation of upper protective shell, support shaft, lower protective shell, fixed long block, threaded hole, fastening bolt, connecting long block, gasket, first leakage prevention gasket and second leakage prevention gasket is used, so that the flange leakage prevention structure is convenient to prevent leakage, so that the effect of preventing leakage is good, can keep good sealing, enhance use effect, user is twisted fastening bolt by threaded hole, it is convenient to lock the fixed long block of upper protective shell outer wall and the connecting long block of lower protective shell outer wall, and the mutual cooperation of gasket, first leakage prevention gasket and second leakage prevention gasket arranged in the inner wall of upper protective shell and lower protective shell can realize the effect of preventing leakage of flange, improve the use effect of device to some extent.

[0021] 2. The utility model provides a flange leakage-proof structure, which adopts the mutual cooperation of a threaded joint, a first flange, a connecting joint and a second flange, so that the flange leakage-proof structure is easy to disassemble and assemble, and has a good disassembly and assembly effect. It is convenient to disassemble and assemble according to the user's usage needs, and is convenient to disassemble and repair, thereby enhancing the practicality of the flange. The user splices the threaded joint on the outer wall of the first flange with the connecting joint on the outer wall of the second flange, making disassembly and assembly simple and convenient, and can meet people's usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is the overall structural diagram of the utility model;

[0023] Figure 2 It is a side sectional view of the utility model;

[0024] Figure 3 This is a schematic diagram of the fixed long block connection structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the support shaft connection structure of the utility model;

[0026] Figure 5 For the utility model Figure 3 Enlarged view of point A in the middle.

[0027] In the figure: 1. Upper protective shell; 2. Support shaft; 3. Lower protective shell; 4. Fixed long block; 5. Threaded hole; 6. Fastening bolt; 7. Connecting long block; 8. Washer; 9. First leak-proof gasket; 10. Second leak-proof gasket; 11. Threaded joint; 12. First flange; 13. Connecting joint; 14. Second flange. DETAILED DESCRIPTION

[0028] The present invention is further described in detail below with reference to the embodiments:

[0029] Example 1

[0030] like Figure 1-5 As shown, the utility model provides a flange leakage-proof structure, including an upper protective shell 1, the outer wall bearing of the upper protective shell 1 is connected to the support shaft 2, the outer wall bearing of the support shaft 2 is connected to the lower protective shell 3, the outer wall of the lower protective shell 3 is fixedly connected to the fixed long block 4, and the inner wall of the fixed long block 4 is provided with a threaded hole 5.

[0031] The outer wall of the threaded hole 5 is threadedly connected to a fastening bolt 6, the outer wall of the fastening bolt 6 is threadedly connected to a connecting long block 7, the inner wall of the upper protective shell 1 is fixedly connected to a gasket 8, the outer wall of the upper protective shell 1 is fixedly connected to a first leak-proof gasket 9, and the outer wall of the upper protective shell 1 is fixedly connected to a second leak-proof gasket 10.

[0032] In this embodiment, the upper protective shell 1, the support shaft 2, the lower protective shell 3, the fixed long block 4, the threaded hole 5, the fastening bolt 6, the connecting long block 7, the gasket 8, the first leak-proof gasket 9 and the second leak-proof gasket 10 are used in coordination with each other, so that the flange leak-proof structure is easy to prevent leakage, has a good leak-proof effect, can maintain good sealing, and enhance the use effect. The user screws the fastening bolt 6 through the threaded hole 5 to facilitate locking the fixed long block 4 on the outer wall of the upper protective shell 1 and the connecting long block 7 on the outer wall of the lower protective shell 3. The gasket 8, the first leak-proof gasket 9 and the second leak-proof gasket 10 arranged on the inner walls of the upper protective shell 1 and the lower protective shell 3 can achieve the effect of flange leakage prevention and improve the use effect of the device to a certain extent.

[0033] Example 2

[0034] like Figure 1-5 As shown, based on Example 1, the utility model provides a technical solution: preferably, the outer wall of the gasket 8 is fitted with the threaded joint 11, the outer wall of the threaded joint 11 is fixedly connected to the first flange 12, the outer wall of the threaded joint 11 is threadedly connected to the connecting joint 13, and the outer wall of the connecting joint 13 is fixedly connected to the second flange 14.

[0035] In this embodiment, the structural threaded joint 11 and the connecting joint 13 in this solution are used in coordination with each other to facilitate disassembly and maintenance.

[0036] In this embodiment, the threaded joint 11, the first flange 12, the connecting joint 13 and the second flange 14 are used in conjunction with each other, so that the flange leakage-proof structure is easy to disassemble and assemble, and the disassembly and assembly effect is good. It is convenient to disassemble and assemble according to the user's usage needs, and it is convenient to disassemble and repair, which enhances the practicality of the flange. The user splices the threaded joint 11 on the outer wall of the first flange 12 with the connecting joint 13 on the outer wall of the second flange 14, making disassembly and assembly simple and convenient, which can meet people's usage needs.

[0037] Example 3

[0038] like Figure 1-5 As shown, based on Example 1 and Example 2, the present invention provides a technical solution: preferably, the structures of the threaded joint 11 and the connecting joint 13 are interlocked, and the threaded joint 11 and the connecting joint 13 are parallel to each other.

[0039] In this embodiment, the arrangement of the structural threaded joint 11 in this solution facilitates splicing with the connecting joint 13 .

[0040] Preferably, the fastening bolts 6 pass through the threaded holes 5 and are fixed to the long block 4 , and the fastening bolts 6 are symmetrically arranged along the central axis of the long block 4 .

[0041] In this embodiment, the arrangement of the structural fastening bolts 6 in this solution facilitates achieving a locking effect.

[0042] Preferably, the sizes of the upper protective shell 1 and the lower protective shell 3 match each other, and a gasket 8 is provided on the inner wall of the lower protective shell 3 .

[0043] In this embodiment, the arrangement of the upper protective shell 1 and the lower protective shell 3 in the structure of the solution facilitates the engagement of the flange workpiece, thereby achieving a leak-proof effect.

[0044] Preferably, the first anti-leakage gasket 9 and the second anti-leakage gasket 10 are perpendicular to each other, and the first anti-leakage gasket 9 and the second anti-leakage gasket 10 are equal in size.

[0045] In this embodiment, the first anti-leakage gasket 9 and the second anti-leakage gasket 10 in the structure of this solution are used in coordination with each other, thereby enhancing the anti-leakage effect of the flange.

[0046] The following is a detailed description of the working principle of the flange leak-proof structure.

[0047] like Figure 1-5 As shown, when using the flange leak-proof structure, the user screws the fastening bolt 6 through the threaded hole 5 to facilitate locking the fixed long block 4 on the outer wall of the upper protective shell 1 and the connecting long block 7 on the outer wall of the lower protective shell 3. The gasket 8, the first leak-proof gasket 9 and the second leak-proof gasket 10 provided on the inner walls of the upper protective shell 1 and the lower protective shell 3 cooperate with each other to achieve the effect of flange leakage prevention. The user splices the threaded joint 11 on the outer wall of the first flange 12 with the connecting joint 13 on the outer wall of the second flange 14, making disassembly and assembly simple and convenient.

[0048] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0049] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A flange leak-proof structure, comprising an upper protective shell (1), characterized in that: The outer wall bearing of the upper protective shell (1) is connected to the support shaft (2), the outer wall bearing of the support shaft (2) is connected to the lower protective shell (3), the outer wall of the lower protective shell (3) is fixedly connected to a fixed long block (4), and the inner wall of the fixed long block (4) is provided with a threaded hole (5); The outer wall of the threaded hole (5) is threadedly connected to a fastening bolt (6), the outer wall of the fastening bolt (6) is threadedly connected to a connecting long block (7), the inner wall of the upper protective shell (1) is fixedly connected to a gasket (8), the outer wall of the upper protective shell (1) is fixedly connected to a first leak-proof gasket (9), and the outer wall of the upper protective shell (1) is fixedly connected to a second leak-proof gasket (10).

2. A flange leak-proof structure according to claim 1, characterized in that: The outer wall of the gasket (8) is fitted and connected to the threaded joint (11), the outer wall of the threaded joint (11) is fixedly connected to a first flange (12), the outer wall of the threaded joint (11) is threadedly connected to a connecting joint (13), and the outer wall of the connecting joint (13) is fixedly connected to a second flange (14).

3. The flange leak-proof structure according to claim 2, characterized in that: The structures of the threaded joint (11) and the connecting joint (13) are interlocked, and the threaded joint (11) and the connecting joint (13) are parallel to each other.

4. The flange leak-proof structure according to claim 1, characterized in that: The fastening bolts (6) pass through the threaded holes (5) and the fixed long block (4), and the fastening bolts (6) are symmetrically arranged along the central axis of the fixed long block (4).

5. The flange leak-proof structure according to claim 1, characterized in that: The sizes of the upper protective shell (1) and the lower protective shell (3) match each other, and a gasket (8) is provided on the inner wall of the lower protective shell (3).

6. The flange leak-proof structure according to claim 1, characterized in that: The first leak-proof gasket (9) and the second leak-proof gasket (10) are perpendicular to each other, and the first leak-proof gasket (9) and the second leak-proof gasket (10) are equal in size.

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