Pipeline connecting flange with good sealing performance

Abstract

The utility model discloses a pipeline connecting flange with good sealing performance, which comprises a pipeline body and a joint block, the pipeline body is fixedly connected with the joint block, a screw rod is inserted in the joint block, the left end and the right end of the screw rod are sleeved with nuts, screw holes are annularly formed in the joint block at equal intervals, a sealing assembly is arranged in the joint block, and the sealing assembly is fixedly connected with the joint block. An anti-skid assembly is arranged on the connector block. The nut can be stably arranged on the connector block through the anti-skid assembly, the device is effectively prevented from being greatly loosened after being used for a long time, and the sealing ring and the inner bag can be tightly plugged in the first sealing groove and the second sealing groove through extrusion deformation through the sealing assembly. By means of the structure, absolute sealing can be kept for connection between the two sets of pipeline bodies and the connector blocks, the device can always keep efficient normal work, and the device is simple in structure, rapid and convenient to use, good in practicability and relatively low in production cost.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connection flanges, in particular to a pipeline connection flange with good sealing performance. 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 flanges on equipment inlets and outlets to connect two devices. Flange connection is to fix two pipes, pipe fittings or equipment on a flange plate respectively, then add a flange gasket between the two flange plates, and finally tighten the two flange plates with bolts to make them tightly combined. It is a detachable joint that can realize the connection between static pipes and rotating or reciprocating equipment. Pipe flanges are divided into the following six basic types according to the connection method with the pipe: flat welding flange, butt welding flange, socket welding flange, loose sleeve flange, threaded flange and integral flange.

[0003] The existing known patent number is "202123200983.8" and it is proposed that: the utility model provides a pipe connecting flange with good sealing performance, including a scale block, an indicator piece, a support block, a limit slot and a hexagonal positioning screw. The upper and lower sides and the front and rear sides of the annular side of the first flange are symmetrically bonded with scale blocks, and the upper and lower sides and the front and rear sides of the annular side of the second flange are symmetrically bonded with support blocks. An indicator piece is installed on the upper end face of the support block, a limit slot is opened in the middle position of the indicator piece, and a hexagonal positioning screw is installed inside the indicator piece. This design solves the problem that the original flange does not have a loose indication function and is of poor practicality. The utility model has a reasonable structure, has a loose indication function, is easy to adjust and use, has a simple structure and is highly practical.

[0004] Most of the existing pipelines are not well sealed when connected by flanges, which causes the device to loosen and leak after long-term use, resulting in the device being unable to maintain efficient use. For this reason, we propose a pipeline connection flange with good sealing performance to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide a pipeline connection flange with good sealing performance, so as to solve the problem that most of the existing pipelines proposed in the above background technology have relatively general sealing performance when connected by flanges, which leads to the problem that the device is prone to loosening and leakage after long-term use, resulting in the problem that the device cannot maintain an efficient use state.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipeline connection flange with good sealing performance, comprising a pipeline body and a joint block, the pipeline body is fixedly connected to the joint block, a screw is inserted in the joint block, nuts are sleeved on the left and right ends of the screw, screw holes are equidistantly arranged in an annular shape on the joint block, a sealing component is arranged in the joint block, and an anti-slip component is arranged on the joint block.

[0007] Preferably, the sealing assembly comprises a first sealing groove, a second sealing groove, a sealing ring and an inner capsule, the first sealing groove is opened in the joint block, the second sealing groove is opened in the joint block, a sealing ring is arranged in the second sealing groove, and an inner capsule is arranged in the sealing ring.

[0008] Preferably, the anti-slip assembly comprises a storage groove and a fixing block, the storage grooves are annularly and equidistantly formed on the joint block, and the fixing block is arranged in the storage groove.

[0009] Preferably, the inner diameter of the storage groove is equal to that of the fixing block, the storage groove is made of rubber material, and the storage groove and the fixing block are matched.

[0010] Preferably, the nut is hexagonal, and the edge of the outer wall of the nut is arc-shaped. The nut is made of stainless steel, and the outer diameter of the screw is equal to the inner diameter of the nut.

[0011] Preferably, the groove depth of the first sealing groove is greater than the groove depth of the second sealing groove, the inner wall edges of the first sealing groove and the second sealing groove are arc-shaped, and the sealing ring is adapted to the first sealing groove and the second sealing groove.

[0012] Preferably, the sealing ring is made of elastic rubber material, and the inner capsule is in liquid state.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model can stably set the nut on the joint block through the anti-slip component, effectively preventing the device from becoming loose after long-term use, and the sealing component can make the sealing ring and the inner capsule tightly plugged in the first sealing groove and the second sealing groove through extrusion deformation, so that the connection between the two groups of pipe bodies and the joint block can be kept absolutely sealed, so that the device can always maintain efficient normal operation, and the structure of the device is relatively simple, it is quick and convenient to use, and the practicability of the device is good, the production cost is relatively low, and it is easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A is a partial enlarged schematic diagram;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model;

[0018] Figure 4 It is a front cross-sectional schematic diagram of the sealing ring of the structure of the utility model;

[0019] Figure 5 It is a schematic diagram of a front cross-section of the structure of the utility model;

[0020] Figure 6 For this utility model Figure 5 A partial enlarged schematic diagram of B in the figure.

[0021] In the figure: 1. Pipe body; 2. Joint block; 3. Storage groove; 4. Fixing block; 5. Screw; 6. Nut; 7. Screw hole; 8. First sealing groove; 9. Second sealing groove; 10. Sealing ring; 11. Inner capsule. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-6 The utility model provides an embodiment: a pipeline connection flange with good sealing performance, including a pipeline body 1 and a joint block 2, the pipeline body 1 is fixedly connected with the joint block 2, a screw 5 is inserted into the joint block 2, the left and right ends of the screw 5 are sleeved with nuts 6, the joint block 2 is annularly provided with screw holes 7 at equal intervals, a sealing component is provided in the joint block 2, and an anti-slip component is provided on the joint block 2, such as Figure 1As shown, the device solves the problem that most of the existing pipes mentioned above are generally airtight when connected by flanges, which leads to the problem that the device is prone to loosening and leakage after long-term use, resulting in the device being unable to maintain an efficient use state. The device has a simple structure, is quick and convenient to use, has good practicality, and has a relatively low production cost, which is easy to promote and use.

[0024] Further, the sealing assembly includes a first sealing groove 8, a second sealing groove 9, a sealing ring 10 and an inner capsule 11. The first sealing groove 8 is opened in the joint block 2, the second sealing groove 9 is opened in the joint block 2, the sealing ring 10 is arranged in the second sealing groove 9, and the inner capsule 11 is arranged in the sealing ring 10. Figure 3 and Figure 4 As shown, this structure facilitates the sealing ring 10 and the inner capsule 11 to be tightly plugged into the first sealing groove 8 and the second sealing groove 9 through extrusion deformation, so that the connection between the two sets of pipe bodies 1 and the joint block 2 can be kept absolutely sealed, so that the device can always maintain efficient normal operation.

[0025] Furthermore, the anti-slip assembly includes a storage groove 3 and a fixing block 4. The joint block 2 is provided with a storage groove 3 with equal spacing in an annular shape, and the fixing block 4 is arranged in the storage groove 3. Figure 1 and Figure 2 As shown, this structure facilitates the nut 6 to be stably arranged on the joint block 2, and effectively prevents the device from becoming loose after long-term use.

[0026] Furthermore, the inner diameter of the storage groove 3 is equal to that of the fixing block 4, the storage groove 3 is made of rubber material, and the storage groove 3 and the fixing block 4 are adapted to each other. Figure 2 As shown, this structure facilitates the stable placement of the fixing block 4 in the storage slot 3, thereby improving the adaptability between the structures.

[0027] Furthermore, the nut 6 is hexagonal, and the outer wall edge of the nut 6 is arc-shaped, the nut 6 is made of stainless steel, and the outer diameter of the screw 5 is equal to the inner diameter of the nut 6. Figure 2 As shown, this structure facilitates the rotation of the nut 6 and prevents the problem of scratches caused by accidentally touching the nut 6.

[0028] Furthermore, the groove depth of the first sealing groove 8 is greater than the groove depth of the second sealing groove 9, the inner wall edges of the first sealing groove 8 and the second sealing groove 9 are arc-shaped, and the sealing ring 10 is adapted to the first sealing groove 8 and the second sealing groove 9, such as Figure 5 and Figure 6 As shown, this structure facilitates the sealing ring 10 to be more tightly clamped into the first sealing groove 8 and the second sealing groove 9, further improving the sealing performance of the device.

[0029] Furthermore, the sealing ring 10 is made of elastic rubber material, and the inner capsule 11 is in liquid form. Figure 3 and Figure 4 As shown, this structure facilitates improving the elastic deformation capability of the sealing ring 10 and the inner bag 11.

[0030] Working principle: When in use, first place the device on a horizontal working surface, then set the inner capsule 11 in the sealing ring 10, so that the sealing ring 10 and the inner capsule 11 are integrated, and then set the sealing ring 10 and the inner capsule 11 in the first sealing groove 8 and the second sealing groove 9, and then bring the two sets of joint blocks 2 close to each other, so that the screw 5 is inserted into the screw hole 7, and the fixing block 4 is set in the storage groove 3, and then rotate the two sets of nuts 6, so that the two sets of joint blocks 2 squeeze the sealing ring 10 and the inner capsule 11 to cause them to deform, so that the sealing ring 10 and the inner capsule 11 fill the first sealing groove 8 and the second sealing groove 9, and the two sets of joint blocks 2 are tightly connected together. The structure of the device is simple and it is quick and convenient to use. The above is the entire working principle of the utility model.

[0031] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A pipe connection flange with good sealing performance, characterized in that: The invention comprises a pipe body (1) and a joint block (2), wherein the pipe body (1) is fixedly connected to the joint block (2), a screw rod (5) is inserted into the joint block (2), nuts (6) are sleeved on the left and right ends of the screw rod (5), screw holes (7) are equidistantly arranged in an annular pattern on the joint block (2), a sealing component is arranged in the joint block (2), and an anti-slip component is arranged on the joint block (2).

2. A pipeline connection flange with good sealing performance according to claim 1, characterized in that: The sealing assembly comprises a first sealing groove (8), a second sealing groove (9), a sealing ring (10) and an inner bag (11); the first sealing groove (8) is provided in the joint block (2); the second sealing groove (9) is provided with a sealing ring (10); and the inner bag (11) is provided in the sealing ring (10).

3. A pipeline connection flange with good sealing performance according to claim 1, characterized in that: The anti-slip assembly comprises a storage groove (3) and a fixing block (4); the storage groove (3) is equidistantly provided in an annular manner on the joint block (2); and the fixing block (4) is arranged in the storage groove (3).

4. A pipeline connection flange with good sealing performance according to claim 3, characterized in that: The inner diameter of the storage groove (3) is equal to that of the fixing block (4); the storage groove (3) is made of rubber material; and the storage groove (3) and the fixing block (4) are matched.

5. A pipeline connection flange with good sealing performance according to claim 1, characterized in that: The nut (6) is hexagonal, and the outer wall edge of the nut (6) is arc-shaped. The nut (6) is made of stainless steel, and the outer diameter of the screw rod (5) is equal to the inner diameter of the nut (6).

6. A pipeline connection flange with good sealing performance according to claim 2, characterized in that: The groove depth of the first sealing groove (8) is greater than the groove depth of the second sealing groove (9), the inner wall edges of the first sealing groove (8) and the second sealing groove (9) are arc-shaped, and the sealing ring (10) is compatible with the first sealing groove (8) and the second sealing groove (9).

7. A pipeline connecting flange with good sealing performance according to claim 2, characterized in that: The sealing ring (10) is made of elastic rubber material, and the inner capsule (11) is in liquid form.

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