CN218863488U - Safety valve butt joint protection device - Google Patents

Abstract

The utility model discloses a safety valve butt joint protection device, which comprises a shell, a threaded interface, an external thread element, a sealing interface, a connecting element, a connecting interface, a sealing ring, a spring, a connecting pipe, a blocking element and a limiting element; the side surface of the shell is connected with the threaded interface; one end of the shell far away from the threaded interface is connected with the connecting interface; the inner wall of the shell is connected with the sealing ring; the inner wall of the shell is connected with the spring; the spring is connected with the connecting pipe; the connecting pipe is in telescopic connection with the external thread piece. The utility model discloses a hickey's structure can improve the sealed effect of this device joint seam department, has reduced oozing of stock solution, has guaranteed the connection stability of this device simultaneously, can make the valve interface of this device compatible different length through the structure of the connecting pipe that collides with flexible, can make the valve model of this device compatible different diameters through the turriform interface structure that is equipped with on the connection interface to the availability factor of this device has been guaranteed.

Description

Safety valve butt joint protection device

Technical Field

The utility model relates to a relief valve protection technical field specifically indicates a relief valve butt joint protection device.

Background

The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation. At present, the safety valve is usually manually and manually butted during butt joint installation, the butt joint difficulty is high, the sealing effect is poor, and the compatibility of valve interfaces with different diameters cannot be realized in the actual use process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual, and the relief valve butt joint protection device of the valve model of compatible different diameters.

The utility model discloses a following technical scheme realizes: a safety valve butt joint protection device comprises a shell, a threaded interface, an external thread piece, a sealing interface, a connecting piece, a connecting interface, a sealing ring, a spring, a connecting pipe, a blocking piece and a limiting piece; the side surface of the shell is connected with the threaded interface; one end of the shell far away from the threaded interface is connected with the connecting interface; the outer end face of the shell is connected with the connecting piece; the threaded interface is in threaded connection with the external thread element; one end of the external thread piece, which is far away from the threaded interface, is connected with the sealing interface; the inner wall of the shell is connected with the sealing ring; the inner wall of the shell is connected with the spring; the spring is connected with the connecting pipe; the connecting pipe is in telescopic connection with the external thread piece; the outer end face of the connecting pipe is connected with the limiting piece; the limiting piece is in contact with the side face of the blocking piece; the blocking piece is connected with the side surface of the inner wall of the shell.

In order to realize better the utility model discloses, furtherly, be equipped with waterproof sealing layer on the shells inner wall, be equipped with multiunit fixed screw hole on the connecting piece side.

In order to realize better the utility model discloses, furtherly, connecting interface keeps away from one of casing and serves and be equipped with the turriform connecting piece, be equipped with the sealing layer on the turriform connecting piece.

In order to realize better the utility model discloses, furtherly, shells inner wall is equipped with the multiunit and stops the piece, the multiunit stop the piece and contact simultaneously with the locating part side.

In order to better realize the utility model discloses, furtherly, the connecting tube inside is equipped with flexible pipe, be equipped with rubber seal on the flexible pipe side.

In order to realize better the utility model discloses, furtherly, be equipped with waterproof sticky tape between external screw member and the hickey inner wall.

In order to better realize the utility model discloses, furtherly, it is protruding to be equipped with the connection on the sealing interface, connects protruding being equipped with the wearing layer on the surface.

In order to better realize the utility model discloses, furtherly, be equipped with anti-skidding piece on the casing side.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) The utility model can improve the sealing effect of the connecting seam of the device through the structure of the threaded interface, reduce the seepage of the raw material liquid and ensure the connecting stability of the device;

(2) The utility model can be compatible with valve interfaces with different lengths through the structure of the telescopic connecting pipe, and the device can be compatible with valve models with different diameters through the tower-shaped interface structure arranged on the connecting interface, thereby ensuring the use efficiency of the device;

(3) The utility model discloses a sealing effect that this device of inside sealing washer structure can effectual improvement makes joint seam department stable in structure, suitable extensive popularization and application.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic plan view of the present invention.

Wherein: the sealing structure comprises a shell, a threaded interface 2, an external thread part 3, a sealing interface 4, a connecting part 5, a connecting interface 6, a sealing ring 7, a spring 8, a connecting pipe 9, a blocking part 10 and a limiting part 11.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

the main structure of this embodiment, as shown in 1~3, includes a housing 1, a screw interface 2, an external screw 3, a sealing interface 4, a connecting member 5, a connecting interface 6, a sealing ring 7, a spring 8, a connecting pipe 9, a stopper 10, and a stopper 11; the side surface of the shell 1 is connected with the threaded interface 2; one end of the shell 1, which is far away from the threaded connector 2, is connected with the connecting connector 6; the outer end face of the shell 1 is connected with a connecting piece 5; the threaded interface 2 is in threaded connection with the external thread element 3; one end of the external thread element 3, which is far away from the threaded connector 2, is connected with a sealing connector 4; the inner wall of the shell 1 is connected with a sealing ring 7; the inner wall of the shell 1 is connected with a spring 8; the spring 8 is connected with a connecting pipe 9; the connecting pipe 9 is in telescopic connection with the external thread element 3; the outer end face of the connecting pipe 9 is connected with a limiting piece 11; the limiting piece 11 is in contact with the side surface of the blocking piece 10; the blocking member 10 is connected with the side surface of the inner wall of the housing 1.

The specific implementation mode is that the connection stability of the device can be effectively improved through the combination of the sealing interface 4 and the connecting interface 6, meanwhile, the stability of the device can be effectively improved through the structures such as the sealing ring 7 in the device, and the sealing effect of the connecting joint is ensured. The stability between the valve built-up connection is effectively improved, and the technical effect of increasing the installation difficulty caused by different diameters of the interfaces between the valves is reduced.

Example 2:

on the basis of the above embodiment, the structure of the shell 1 and the connecting piece 5 is further limited, the inner wall of the shell 1 is provided with a waterproof sealing layer, and the side surface of the connecting piece 5 is provided with a plurality of groups of fixing threaded holes. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 3:

on the basis of the above embodiments, the present embodiment further defines the structure of the connection interface 6, and a tower-shaped connector is arranged on one end of the connection interface 6 away from the housing 1, and a sealing layer is arranged on the tower-shaped connector. The structure through turriform connecting piece can effectual improvement this device connect stability to reduce the installation degree of difficulty. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 4:

in this embodiment, on the basis of the above embodiment, it is further limited to add a plurality of sets of blocking members 10, as shown in fig. 2, a plurality of sets of blocking members 10 are disposed on the inner wall of the housing 1, and the plurality of sets of blocking members 10 are in contact with the side surfaces of the limiting member 11 at the same time. The combination of the blocking piece 10 and the limiting piece 11 can effectively improve the stability of the telescopic length of the device, thereby ensuring the connection efficiency of the device. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 5:

in this embodiment, on the basis of the above embodiments, the structure of the connection pipe 9 is further limited, an extension pipe is arranged inside the connection pipe 9, and a rubber seal ring is arranged on the side surface of the extension pipe. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 6:

in this embodiment, a waterproof tape is further added on the basis of the above embodiment, and the waterproof tape is arranged between the external screw member 3 and the inner wall of the nipple 2. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 7:

in this embodiment, on the basis of the above embodiment, the structure of the sealing interface 4 is further defined, the sealing interface 4 is provided with a connecting protrusion, and the surface of the connecting protrusion is provided with a wear-resistant layer. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

Example 8:

in this embodiment, on the basis of the above embodiment, a skid-proof member is further added, and a skid-proof member is arranged on the side surface of the housing 1. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.

It is understood that the working principle and working process of the safety valve butt joint protection device structure according to an embodiment of the present invention, such as the sealing ring 7 and the spring 8, are well known in the art and will not be described in detail herein.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. A safety valve butt joint protection device is characterized by comprising a shell (1), a threaded interface (2), an external thread piece (3), a sealing interface (4), a connecting piece (5), a connecting interface (6), a sealing ring (7), a spring (8), a connecting pipe (9), a blocking piece (10) and a limiting piece (11); the side surface of the shell (1) is connected with the threaded interface (2); one end of the shell (1) far away from the threaded connector (2) is connected with the connecting connector (6); the outer end face of the shell (1) is connected with the connecting piece (5); the threaded interface (2) is in threaded connection with the external thread element (3); one end of the external thread piece (3) far away from the threaded connector (2) is connected with the sealing connector (4); the inner wall of the shell (1) is connected with a sealing ring (7); the inner wall of the shell (1) is connected with a spring (8); the spring (8) is connected with the connecting pipe (9); the connecting pipe (9) is in telescopic connection with the external thread piece (3); the outer end face of the connecting pipe (9) is connected with the limiting piece (11); the limiting piece (11) is in contact with the side face of the blocking piece (10); the blocking piece (10) is connected with the side surface of the inner wall of the shell (1).

2. The butt joint protection device for the safety valve according to claim 1, wherein a waterproof sealing layer is arranged on the inner wall of the shell (1), and a plurality of groups of fixing threaded holes are arranged on the side surface of the connecting piece (5).

3. The safety valve butt joint protection device according to claim 1, wherein a tower-shaped connecting piece is arranged on one end of the connecting interface (6) far away from the shell (1), and a sealing layer is arranged on the tower-shaped connecting piece.

4. The safety valve butt joint protection device according to claim 1, characterized in that the inner wall of the housing (1) is provided with a plurality of sets of blocking members (10), and the plurality of sets of blocking members (10) are simultaneously contacted with the side surfaces of the limiting member (11).

5. The butt joint protection device for the safety valve according to claim 1, wherein a telescopic pipe is arranged inside the connecting pipe (9), and a rubber sealing ring is arranged on the side surface of the telescopic pipe.

6. The safety valve butt joint protection device according to claim 1, wherein a waterproof adhesive tape is arranged between the external thread member (3) and the inner wall of the threaded interface (2).

7. The butt joint protection device for the safety valve according to claim 1, wherein the sealing interface (4) is provided with a connecting bulge, and the surface of the connecting bulge is provided with a wear-resistant layer.

8. The safety valve butt protection device according to claim 1, wherein the housing (1) is provided with anti-slip members on its sides.

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