CN212004693U - A pipeline sealing connection device - Google Patents

Abstract

The utility model discloses a pipeline sealing connection device, comprising a liquid inlet pipe, a liquid outlet pipe and a connecting pipe, the liquid outlet pipe is arranged at one end of the liquid inlet pipe, and the connecting pipe is arranged at the liquid inlet pipe Between it and the liquid outlet pipe, one end of the connecting pipe is provided with an adjustment mechanism, the threaded bottom hole is opened on one side surface of the connecting pipe and corresponds to the countersunk hole, and the screw A passes through the connecting pipe. The countersunk head hole is screwed into the threaded bottom hole, the sliding block is slidably embedded in the circular groove, and the opposite ends of the spring are respectively abutted against the inner surface of the circular groove and the sliding block. On the side surface, the flange is slidably sleeved in the connecting pipe and is connected with the other end of the connecting rod, and the fixing parts are arranged at opposite ends of the connecting pipe. By adjusting the distance between the connecting pipe and the flange plate, the utility model effectively solves the problem that the two pipelines are not easily connected when the distance is relatively long, and has the advantages of simple structure, convenient operation and good sealing performance.

Description

A pipeline sealing connection device

technical field

The utility model relates to the technical field of pipeline sealing connection, in particular to a pipeline sealing connection device.

Background technique

Pipeline connection refers to connecting the prefabricated pipe sections into a complete system according to the requirements of the design drawings. In construction, different connection methods should be selected according to the material of the pipes used. Ordinary steel pipes are usually connected by flanges.

At present, most of the existing flange connection methods are to connect a pair of flanges through a screw, but such a connection method is not easy to connect if the two pipelines are far away, so it needs to be improved.

Utility model content

Most of the above-mentioned existing flange connection methods of the present invention are to connect a pair of flanges through screws. However, if such connection methods are difficult to connect when the two pipelines are far apart, the adjustment mechanism can be used to adjust the The distance between the flange and the connecting pipe, so as to realize the problem that the two pipes should not be connected when the distance is long.

In order to achieve the above purpose, the technical solution adopted by the present utility model is that the present utility model provides a pipeline sealing connection device, which includes a liquid inlet pipe, a liquid outlet pipe and a connecting pipe, and the liquid outlet pipe is arranged on the liquid inlet pipe. At one end, the connecting pipe is arranged between the liquid inlet pipe and the liquid outlet pipe, and one end of the connecting pipe is provided with an adjustment mechanism;

The adjusting mechanism mainly includes: a circular groove, a pressure plate, a through hole, a countersunk hole, a threaded bottom hole, a screw A, a sliding block, a spring, a connecting rod, a flange plate and a fixed part;

The circular groove is opened on one side surface of the connecting pipe, the pressure plate is arranged on one end of the connecting pipe, the via hole is opened on the pressure plate and corresponds to the circular groove, the The countersunk hole is opened on the side surface of the pressure plate, the threaded bottom hole is opened on the side surface of the connecting pipe and corresponds to the countersunk hole, and the screw A passes through the countersunk hole and is threadedly connected to the In the threaded bottom hole, the sliding block is slidably embedded in the circular groove, the opposite ends of the spring are respectively pressed against the inner surface of the circular groove and the side surface of the sliding block, and the connecting rod One end is connected to the other side surface of the sliding block, the flange is slidably sleeved in the connecting pipe and is connected to the other end of the connecting rod, and the fixing parts are arranged at opposite ends of the connecting pipe.

Preferably, the fixing part mainly includes: a ring sleeve, an external thread, an internal thread, a through hole, a screw B and a nut:

The ring sleeve is movably sleeved on the connecting pipe, the outer thread is arranged on the outer surface of the connecting pipe, the inner thread is arranged on the inner surface of the ring sleeve and engages with the outer thread, and the through holes are respectively Opened on the ring sleeve and the connecting pipe, the screw B is movably sleeved in the through hole, and the nut is screwed on the screw B.

Preferably, both the liquid inlet pipe and the liquid outlet pipe are provided with reserved holes.

Preferably, a sealing groove A is opened on the flange, and a sealing strip A is embedded in the sealing groove A.

Preferably, sealing grooves B are formed at opposite ends of the connecting pipe, and sealing strips B are embedded in the sealing grooves A.

Preferably, the sliding block and the inner surface of the circular groove are provided with limit blocks.

Compared with the prior art, the advantages and positive effects of the present utility model are that, by adjusting the distance between the connecting pipe and the flange, the problem that the two pipelines are not easily connected when the distance is long is effectively solved, and the structure is simple. , easy to operate and good sealing.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. , for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

1 is a schematic structural diagram of a pipeline sealing connection device provided in this embodiment;

2 is a partial enlarged view of a pipeline sealing connection device provided in this embodiment;

As shown in the picture: 1. Liquid inlet pipe; 2. Liquid outlet pipe; 3. Connecting pipe; 4. Circular groove; 5. Pressure plate; 6. Through hole; 9, screw A; 10, sliding block; 11, spring; 12, connecting rod; 13, flange plate; 14, ring sleeve; 15, external thread; 16, internal thread; 17, through hole; 18, screw B; 19, nut; 20, reserved hole; 21, sealing groove A; 22, sealing strip A; 23, sealing groove B; 24, sealing strip B; 25, limit block.

Detailed ways

In order to be able to understand the above-mentioned objects, features and advantages of the present invention more clearly, the present invention will be further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other in the case of no conflict.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific details of the following disclosure. Example limitations.

In an embodiment, it can be seen from the accompanying drawing 1 of the description that this scheme is a pipeline sealing connection device, including a liquid inlet pipe 1, a liquid outlet pipe 2 and a connecting pipe 3, and the liquid outlet pipe 2 is arranged at one end of the liquid inlet pipe 1. , the connecting pipe 3 is arranged between the liquid inlet pipe 1 and the liquid outlet pipe 2, and one end of the connecting pipe 3 is provided with an adjustment mechanism;

The adjustment mechanism mainly includes: a circular groove 4, a pressure plate 5, a through hole 6, a countersunk hole 7, a threaded bottom hole 8, a screw A9, a sliding block 10, a spring 11, a connecting rod 12, a flange 13 and fixed part;

The circular groove 4 is opened on one side surface of the connecting pipe 3, the pressure plate 5 is arranged on one end of the connecting pipe 3, and the through hole 6 is opened on the pressure plate 5 and is connected with the circular groove 5. Corresponding to the groove 4, the countersunk hole 7 is opened on the side surface of the pressure plate 5, and the threaded bottom hole 8 is opened on the side surface of the connecting pipe 3 and corresponds to the countersunk hole 7. The The screw A9 is threaded into the threaded bottom hole 8 through the countersunk hole 7 , the sliding block 10 is slidably embedded in the circular groove 4 , and the opposite ends of the spring 11 are respectively pressed against the threaded bottom hole 8 . The inner surface of the circular groove 4 and the side surface of the sliding block 10 , one end of the connecting rod 12 is connected to the other side surface of the sliding block 10 , the flange 13 is slidably sleeved in the connecting pipe 3 and is connected with the sliding block 10 . The other ends of the connecting rods 12 are connected to each other, and the fixing parts are arranged at opposite ends of the connecting pipe 3 .

As can be seen from the accompanying drawings 1-2 of the description, the above-mentioned fixing part mainly includes: a ring sleeve 14, an external thread 15, an internal thread 16, a through hole 17, a screw B18 and a nut 19:

The ring sleeve 14 is movably sleeved on the connecting pipe 3 , the outer thread 15 is arranged on the outer surface of the connecting pipe 3 , and the inner thread 16 is arranged on the inner surface of the ring sleeve 14 and is mutually connected with the outer thread 15 . Engagement, the through holes 17 are respectively opened on the ring sleeve 14 and the connecting pipe 3, the screw rod B18 is movably sleeved in the through hole 17, and the nut 19 is screwed on the screw rod B18.

As can be seen from the accompanying drawings 1-2 of the description, the above-mentioned liquid inlet pipe 1 and the liquid outlet pipe 2 are provided with reserved holes 20; the flange plate 13 is provided with a sealing groove A21, and the sealing groove A21 is embedded in the A sealing strip A22 is installed; the opposite ends of the connecting pipe 3 are provided with sealing grooves B23, and the sealing groove A21 is embedded with a sealing strip B24; the sliding block 10 and the inner surface of the circular groove 4 are provided with limit positions block 25;

Among them, it should be pointed out that in the specific implementation process, the device is placed between the liquid inlet pipe 1 and the liquid outlet pipe 2 during use, and the screw B18 passes through the reserved hole 20 at the liquid outlet pipe 2 to connect with the The through hole 17 of the tube 3 is then tightened by screwing the nut 19. One end of the spring 11 is against the sliding block 10 and the other end is against the inner surface of the circular groove 4, and then drives the connecting rod 12, which drives the flange 13 to close On the surface of the liquid inlet pipe 1, screw the ring sleeve 14, the inner thread 16 in the ring sleeve 14 and the outer thread 15 cooperate with each other, the side surface of the ring sleeve 14 is against the flange 13, and the screw B18 passes through the reserved hole 20 and The through hole 17 is tightened with the nut 19 to complete the installation. The sealing strip A22 in the sealing groove A21 and the sealing strip B24 in the sealing groove B23 are used for sealing to prevent liquid from flowing out.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any person skilled in the art may use the technical content disclosed above to change or remodel to equivalent changes. Equivalent embodiments are applied in other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still belong to the technical solutions of the present utility model without departing from the technical solution content of the present utility model. scope of protection.

Claims (6)

1. A pipeline sealing connection device, comprising a liquid inlet pipe (1), a liquid outlet pipe (2) and a connecting pipe (3), wherein the liquid outlet pipe (2) is arranged on the liquid inlet pipe (1) one end, the connecting pipe (3) is arranged between the liquid inlet pipe (1) and the liquid outlet pipe (2), and one end of the connecting pipe (3) is provided with an adjustment mechanism; The adjustment mechanism mainly includes: a circular groove (4), a pressure plate (5), a through hole (6), a countersunk hole (7), a threaded bottom hole (8), a screw A (9), a sliding block ( 10), spring (11), connecting rod (12), flange (13) and fixing part; The circular groove (4) is opened on one side surface of the connecting pipe (3), the pressure plate (5) is arranged on one end of the connecting pipe (3), and the through hole (6) is opened on the connecting pipe (3). On the pressure plate (5) and corresponding to the circular groove (4), the countersunk hole (7) is opened on the side surface of the pressure plate (5), and the threaded bottom hole (8) is opened at the One side surface of the connecting pipe (3) corresponds to the countersunk hole (7), and the screw A (9) passes through the countersunk hole (7) and is threadedly connected to the threaded bottom hole (8) Inside, the sliding block (10) is slidably embedded in the circular groove (4), and the opposite ends of the spring (11) are respectively abutted against the inner surface of the circular groove (4) and the sliding block. (10) side surface, one end of the connecting rod (12) is connected to the other side surface of the sliding block (10), and the flange plate (13) is slidably sleeved in the connecting pipe (3) and is connected to the other side surface of the sliding block (10). The other ends of the connecting rods (12) are connected to each other, and the fixing parts are arranged at opposite ends of the connecting pipe (3). 2. A pipeline sealing connection device according to claim 1, characterized in that, the fixing part mainly comprises: a ring sleeve (14), an external thread (15), an internal thread (16), a through hole ( 17), screw B (18) and nut (19): The ring sleeve (14) is movably sleeved on the connecting pipe (3), the outer thread (15) is arranged on the outer surface of the connecting pipe (3), and the inner thread (16) is arranged on the ring sleeve (3). 14) The inner surface is engaged with the external thread (15), the through hole (17) is respectively opened on the ring sleeve (14) and the connecting pipe (3), the screw B (18) The movable sleeve is inside the through hole (17), and the nut (19) is screwed on the screw rod B (18). 3 . The pipeline sealing connection device according to claim 1 , wherein the liquid inlet pipe ( 1 ) and the liquid outlet pipe ( 2 ) are both provided with reserved holes ( 20 ). 4 . 4 . A pipeline sealing connection device according to claim 1 , wherein a sealing groove A ( 21 ) is opened on the flange plate ( 13 ), and the sealing groove A ( 21 ) is embedded in the sealing groove A ( 21 ). 5 . There is a sealing strip A (22). 5. A pipeline sealing connecting device according to claim 4, characterized in that, sealing grooves B (23) are opened at opposite ends of the connecting pipe (3), and the sealing grooves A (21) are embedded in Fitted with sealing strip B (24). 6 . The pipeline sealing connection device according to claim 1 , wherein a limit block ( 25 ) is provided on the inner surface of the sliding block ( 10 ) and the circular groove ( 4 ). 7 .

Images