CN219954381U - High-strength gate valve for nuclear power - Google Patents

Abstract

The utility model discloses a high-strength gate valve for nuclear power, which comprises a gate valve body and ports fixedly sleeved at output ends at two sides of the gate valve body, wherein a connecting pipe is connected to the inner wall of the gate valve body in a threaded manner, a sleeve is sleeved at the ports, a sealing ring is fixedly connected to the inner wall of one side of the sleeve, which is close to the gate valve body, a fixing ring is fixedly connected to the inner wall of the sleeve, a limit ring is fixedly connected to the inner wall of the sleeve, the limit ring is positioned at one side, which is far away from the ports, of the fixing ring, and an outer wall threaded pipe is connected to the inner wall of the limit ring in a threaded manner. This high strength gate valve for nuclear power has solved the gate valve when using, all adopts the screw thread to connect the connecting pipe generally, consequently when long-time use, causes circumstances such as screw thread silk smooth silk easily, and then causes revealing easily, and in the nuclear power, once reveal, the problem that danger coefficient is high.

Description

High-strength gate valve for nuclear power

Technical Field

The utility model relates to the technical field of gate valve manufacturing, in particular to a high-strength gate valve for nuclear power.

Background

The gate valve is a shutter, the moving direction of the shutter is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, the gate valve cannot be regulated and throttled, the fusion of light atomic nuclei and the splitting of heavy atomic nuclei can release energy, which are respectively called nuclear fusion energy and nuclear fission energy, a large amount of heat is released during fusion or fission, the energy is converted according to nuclear energy-mechanical energy-electric energy, the electric power can be called nuclear power, the gate valve is also used in nuclear power, and therefore, a high-strength gate valve such as a patent publication No. CN206145164U is needed, but when the gate valve is used, the connecting pipe is usually connected by adopting threads, so that the conditions of thread slipping and the like are easily caused during long-time use, leakage is easily caused during nuclear power, and once leakage occurs, the danger coefficient is extremely high, and further sealing performance needs to be increased, and the current gate valve connecting port needs protection.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a high-strength gate valve for nuclear power, which solves the problems that when the gate valve is used, a connecting pipe is connected by adopting threads, so that the conditions of thread slipping and the like are easy to cause leakage when the gate valve is used for a long time, and the risk coefficient is extremely high once leakage occurs in nuclear power.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a high strength gate valve for nuclear power, includes the port that the both sides output of gate valve body was fixed to cup joint, the inner wall threaded connection of gate valve body has the connecting pipe, the sleeve pipe that cup joints of port, the sleeve pipe is close to one side inner wall fixedly connected with sealing washer of gate valve body, the inner wall fixedly connected with retainer plate of sleeve pipe, the inner wall fixedly connected with spacing collar of sleeve pipe, the spacing collar is located one side that the port was kept away from to the retainer plate, the inner wall threaded connection of spacing collar has outer wall screwed pipe, one side that the outer wall screwed pipe is close to the retainer plate rotates and is connected with the extrusion circle, the inside cover of sleeve pipe is equipped with hollow rubber circle, hollow rubber circle is located between one side that extrusion circle and retainer plate are close to each other, one side that the retainer plate was kept away from to the outer wall of spacing collar fixedly connected with push rod;

the front outer wall fixedly connected with fixed block of gate valve body, the inside rotation of fixed block is connected with two-way screwed pipe, the inner wall threaded connection of two-way screwed pipe has the threaded rod.

Preferably, the inner wall of the limit ring is provided with threads and is matched with the outer wall threads of the outer wall threaded pipe.

Preferably, the push rods are multiple, and are distributed in an annular equidistant array at the center point of the limit ring.

Preferably, the number of the sleeves is two, and the sleeves are in mirror symmetry with the center point of the gate valve body.

Preferably, the two fixing blocks are in mirror symmetry with the central point of the gate valve body, the two threaded rods are in mirror symmetry with the central point of the two bidirectional threaded pipes, one side of each threaded rod, which is far away from each other, is fixedly connected with one side, which is close to each other, of each two sleeves, and the two bidirectional threaded pipes are in mirror symmetry with the central point of the gate valve body.

Advantageous effects

The utility model provides a high-strength gate valve for nuclear power. Compared with the prior art, the method has the following beneficial effects:

1. this high strength gate valve for nuclear power to the sleeve pipe that cup joints through the outer wall of port to can increase the leakproofness between sleeve pipe and the port through the sealing washer, drive outer wall screwed pipe through the push rod simultaneously and rotate, when being connected through connecting pipe and gate valve body, run through the inside of connecting pipe from outer wall screwed pipe, and then be convenient for push the outer wall screwed pipe drive extrusion circle, the cooperation retainer plate can extrude hollow rubber circle, so effectually realized that hollow rubber circle can open after receiving the extrusion, be convenient for increase the leakproofness between outer wall screwed pipe and the connecting pipe outer wall, therefore screw thread smooth silk when connecting pipe and gate valve body coupling, or increase the protection when revealing.

2. This high strength gate valve for nuclear power can carry out spacingly to two-way screwed pipe through the fixed block, consequently through rotating two-way screwed pipe, is convenient for then extrudees each other to two sleeve pipes, has increased the leakproofness between sleeve pipe and the port to when the gate valve body does not use, also conveniently be close to two sleeve pipes each other, and then reduced the space that the gate valve body occupy.

Drawings

Fig. 1 is a schematic view of the external structure of the present utility model.

FIG. 2 is a schematic diagram of the structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a gate valve body; 2. a port; 3. a connecting pipe; 4. a sleeve; 5. a seal ring; 6. a fixing ring; 7. a hollow rubber ring; 8. a pressing ring; 9. an outer wall threaded pipe; 10. a limit ring; 11. a push rod; 12. a fixed block; 13. a two-way threaded pipe; 14. a threaded rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a high strength gate valve for nuclear power, including gate valve body 1 and gate valve body 1's both sides output fixed port 2 of cup jointing, gate valve body 1's inner wall threaded connection has connecting pipe 3, port 2's cup joint sleeve pipe 4, sleeve pipe 4 is close to gate valve body 1's one side inner wall fixedly connected with sealing washer 5, sleeve pipe 4's inner wall fixedly connected with retainer plate 6, retainer plate 10 is located retainer plate 6 and keeps away from port 2's one side, retainer plate 10's inner wall threaded connection has outer wall screwed pipe 9, outer wall screwed pipe 9 is close to retainer plate 6's one side rotation and is connected with squeeze ring 8, sleeve pipe 4's inside cover is equipped with hollow rubber circle 7, hollow rubber circle 7 is located between one side that squeeze ring 8 and retainer plate 6 are close to each other, retainer plate 10's outer wall is kept away from retainer plate 6's one side fixedly connected with push rod 11, retainer plate 10's inner wall is provided with the screw thread, and with outer wall screw thread phase-match with outer wall screwed pipe 9, push rod 11 is a plurality of, and with retainer plate 10's central point annular equidistance array, sleeve pipe 4 is two, and with gate valve body 1's central point screwed point, the inside block 12 of gate valve body 1 is two, two 13 two side's two fixed point 13 mutual screwed connection 13, two inside blocks are two screwed connection 13, two side's of screwed connection 13 mutual screwed connection, two-way connection pipe 13, two side 13 are two screwed connection 13, two side 13 inside two-way connection pipe 13.

When the sealing device is used, the port 2 is fixedly connected to the two ends of the gate valve body 1, the sleeve 4 is sleeved on the outer wall of the port 2, the sealing ring 5 is fixedly connected to one side, close to the gate valve body 1, of the sleeve 4, the sleeve 4 is attached to the port 2, sealing performance between one side, close to the gate valve body 1, of the port 2 and the sleeve 4 is facilitated, when the connecting pipe 3 is in threaded connection with the port 2, the connecting pipe 3 penetrates through the inside of the outer wall threaded pipe 9 and is connected with the gate valve body 1, threads arranged on the inner wall of the limiting ring 10 are matched with the outer wall of the outer wall threaded pipe 9, further, the push rod 11 can drive the outer wall threaded pipe 9 to rotate, the outer wall threaded pipe 9 is connected with the extrusion ring 8 in a rotating mode, when the push rod 11 can drive the outer wall threaded pipe 9 to rotate, the outer wall threaded pipe 9 can drive the extrusion ring 8 to the fixed ring 6, and therefore the hollow rubber ring 7 can be conveniently extruded, and after the hollow rubber ring 7 is extruded, sealing performance between the inner wall of the sleeve 4 and the outer wall of the connecting pipe 3 can be increased, and the sealing performance of the gate valve body can not be protected when the inner wall of the connecting pipe 1 and the connecting pipe 3 are also protected;

the fixed block 12 fixed through the outer wall of the gate valve body 1 can support the bidirectional threaded pipe 13, the threaded rod 14 is connected with the inner wall of the bidirectional threaded pipe 13 through the threads, one side, which is far away from each other, of the two threaded rods 14 is fixedly connected with one side, which is close to each other, of the two sleeves 4, so that the two threaded rods 14 are conveniently rotated through the bidirectional threaded pipe 13, the two threaded rods 14 are conveniently far away from each other, the two sleeves 4 are effectively and mutually far away from each other, the tightness between the inner wall of the sleeve 4 and the port 2 is conveniently increased, and when the gate valve body 1 is not used, the two sleeves 4 are conveniently close to each other, and therefore the occupied space of the gate valve body 1 is reduced.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims (5)

1. The utility model provides a high strength gate valve for nuclear power, includes gate valve body (1) and port (2) that both sides output of gate valve body (1) are fixed cup joint, its characterized in that: the inner wall threaded connection of gate valve body (1) has connecting pipe (3), the sleeve pipe (4) has been cup jointed to port (2), one side inner wall fixedly connected with sealing washer (5) that sleeve pipe (4) is close to gate valve body (1), the inner wall fixedly connected with retainer plate (6) of sleeve pipe (4), the inner wall fixedly connected with spacing collar (10) of sleeve pipe (4), spacing collar (10) are located one side that port (2) was kept away from to retainer plate (6), the inner wall threaded connection of spacing collar (10) has outer wall screwed pipe (9), one side that outer wall screwed pipe (9) is close to retainer plate (6) rotates and is connected with extrusion circle (8), the inside cover of sleeve pipe (4) is equipped with hollow rubber circle (7), hollow rubber circle (7) are located between one side that extrusion circle (8) and retainer plate (6) are close to each other, one side that the outer wall of spacing collar (10) is kept away from retainer plate (6) is fixedly connected with push rod (11);

the gate valve is characterized in that a fixed block (12) is fixedly connected to the front outer wall of the gate valve body (1), a bidirectional threaded pipe (13) is rotatably connected to the inside of the fixed block (12), and a threaded rod (14) is connected to the inner wall of the bidirectional threaded pipe (13) in a threaded mode.

2. The high-strength gate valve for nuclear power according to claim 1, wherein: the inner wall of the limit ring (10) is provided with threads and is matched with the outer wall threads of the outer wall threaded pipe (9).

3. The high-strength gate valve for nuclear power according to claim 2, wherein: the number of the push rods (11) is multiple, and the push rods are distributed in an annular equidistant array at the center point of the limit ring (10).

4. A high strength gate valve for nuclear power according to claim 3, wherein: the number of the sleeves (4) is two, and the sleeves are in mirror symmetry with the center point of the gate valve body (1).

5. The high-strength gate valve for nuclear power according to claim 4, wherein: the two fixing blocks (12) are in mirror symmetry with the central point of the gate valve body (1), the two threaded rods (14) are in mirror symmetry with the central point of the two-way threaded pipes (13), one side, away from each other, of the two threaded rods (14) is fixedly connected with one side, close to each other, of the two sleeves (4), and the two-way threaded pipes (13) are in mirror symmetry with the central point of the gate valve body (1).