CN211501981U

CN211501981U - Return water joint for power plant external drainage

Info

Publication number: CN211501981U
Application number: CN201922308180.0U
Authority: CN
Inventors: 冯春义
Original assignee: Jingxing Hongxiang Carbon Co ltd
Current assignee: Jingxing Hongxiang Carbon Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-15
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a return water joint for outer drainage of power plant, including the top connection, set up the spread groove of top connection internal surface lower extreme position, surface upper end through lower clutch and the rotation circle of integrated into one piece at top connection surface lower extreme position that interior external screw thread and spread groove internal surface lower extreme are connected, the top movable mounting that the interior bottom surface of spread groove is located the lower clutch has anti-reflux unit. A return water joint for outer drainage of power plant, at first, can be convenient for people to change anti-reflux device, the dust that anti-reflux device department sheltered from when people's clearance of can being convenient for moreover used, secondly, anti-reflux device can not influence rivers and pass through speed, and can reduce the influence that water pressure changes the return water and connect, finally, can improve the installation effect of backward flow dish, lead to the condition that backward flow dish shifted because of hydraulic influence when avoiding using, anti-reflux effect is better, bring better use prospect.

Description

Return water joint for power plant external drainage

Technical Field

The utility model relates to a return water pipe connects the field, in particular to return water connects for outer drainage of power plant.

Background

Along with the development of society, the living standard of people is continuously improved, the demand of people for electric energy is continuously improved, in order to meet the demand of people for electric energy, people build various power plants, the power plants need various equipment to be matched when in work, some power plant equipment needs to be drained when in use, and in order to facilitate the installation of pipelines, people invent a backwater joint for external drainage of the power plants;

the existing backwater joint for external drainage of a power plant has certain disadvantages when in use, firstly, the existing backwater joint is usually integrated, and in order to prevent water in a pipeline from flowing back, people usually set backflow prevention devices inside the pipeline, and the backflow prevention devices are positioned inside the pipeline, after the pipeline is used for a period of time, a large amount of garbage is existed around the backflow prevention device, which is inconvenient for people to clean and influenced by water pressure, after the pipeline is used for a period of time, the backflow prevention device is damaged, people are inconvenient to replace the backflow prevention device, secondly, the existing backflow prevention device can influence the discharge speed of water flow after being installed, and can cause the water pressure at the joint to be increased, so that the pipeline has larger vibration, and finally, the existing backwater joint is troublesome when in use, the existing backflow prevention device is clamped inside the backwater joint and is influenced by water pressure when in use, so that the existing backflow prevention device can shift, therefore, the work of the backflow prevention device is influenced, the use requirement of people cannot be met, and therefore the backwater connector for the external drainage of the power plant is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a return water connects for outer drainage of power plant can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a return water joint for outer drainage of power plant, includes the top connection, offers at the spread groove of top connection internal surface lower extreme position, the surface upper end through the lower clutch and the rotation circle of integrated into one piece at top connection external surface lower extreme position that internal and external screw thread and spread groove internal surface lower extreme are connected, the top movable mounting that the interior bottom surface of spread groove is located the lower clutch has anti-reflux unit.

With return water joint separately one-tenth top connection and lower clutch, anti-reflux device is located between top connection and the lower clutch during the use, uses the damage back of a period when anti-reflux device, and people can directly take off the top connection and change anti-reflux device, and is more convenient, and the peripheral space of anti-reflux device is bigger moreover, can be convenient for people to clear up the dust that shelters from when anti-reflux device used after taking off anti-reflux device, and the clearance is more convenient.

Preferably, anti-reflux device is including setting up the spring and the upper end and the card ball of spring coupling that are connected at backward flow dish, upper end and backward flow dish of lower clutch upper end, the upper end of the inside rivers passageway of upper clutch and the lower extreme of the inside rivers passageway of upper clutch are the round platform shape, the surface of card ball is close to the upper end laminating of lower extreme position and the inside rivers passageway of lower clutch.

The upper end and the lower end of the backflow preventer are both truncated cone-shaped water flow channels, the space is large, the passing of water flow cannot be influenced, and when the water flow passes through the truncated cone-shaped water flow channels, the space is slowly changed, so that the water pressure change speed is low, and the influence of the water pressure change on a water return connector is reduced.

Preferably, an arc-shaped groove is formed in the middle of the outer surface of the lower end of the backflow disc, a groove is formed in the middle of the inner bottom surface of the arc-shaped groove, and the upper end of the spring is fixedly mounted in the middle of the inner bottom surface of the groove.

Preferably, a plurality of groups of clamping grooves are formed in the outer surface of the upper end of the backflow disc, which is close to the outer side, a plurality of groups of clamping blocks are integrally formed in the inner bottom surface of the connecting groove, which is close to the outer side, and the plurality of groups of clamping blocks are respectively located in the plurality of groups of clamping grooves.

Through the fixture block of the bottom surface in draw-in groove and the spread groove of setting on the backward flow dish, the draw-in groove card on the backward flow dish during installation backward flow dish is in the fixture block on the spread groove, then rotate the lower clutch, the lower clutch's top can withstand the lower extreme of backward flow dish after the lower clutch installation, thereby live the position of backward flow dish is injectd, improve the installation effectiveness of backward flow dish, lead to the condition that the backward flow dish shifted because of hydraulic influence when avoiding using, the anti-reflux effect is better, and whole power plant's external drainage is with the convenient operation of return water joint, the result of use is better for the conventional mode, satisfy people's operation requirement, and is relatively practical.

Preferably, the outer surface of the backflow disc is provided with a plurality of groups of water channels, and the lower ends of the water channels are all in a cone shape.

Preferably, an annular fixing groove is formed in the position, close to the outer side, of the outer surface of the upper end of the upper joint, and pipeline connecting threads are arranged on the inner side wall of the annular fixing groove and the outer surface of the lower joint.

Preferably, the outer surface of the upper end of the lower joint is pasted with a rubber sealing ring, and the outer surface of the rotating ring is provided with anti-skid grains.

Compared with the prior art, the utility model provides a return water joint for outer drainage of power plant has following beneficial effect:

1. the backflow prevention device is characterized in that the return water connector is divided into an upper connector and a lower connector, the backflow prevention device is located between the upper connector and the lower connector when in use, and after the backflow prevention device is damaged after being used for a period of time, people can directly take off the upper connector to replace the backflow prevention device, so that convenience is brought to the people to clean dust sheltered by the backflow prevention device when in use;

2. the upper end and the lower end of the backflow prevention device are both truncated cone-shaped water flow channels, the space of the backflow prevention device is large, the water flow cannot be influenced, and when the water flow passes through the truncated cone-shaped water flow channels, the space changes slowly, so that the water pressure change speed is low, and the influence of the water pressure change on a water return joint is reduced;

3. through the fixture block of the bottom surface in draw-in groove and the spread groove of setting on the backward flow dish, the draw-in groove card on the backward flow dish during installation backward flow dish is in the fixture block on the spread groove, then rotate the lower clutch, the lower clutch's top can withstand the lower extreme of backward flow dish after the lower clutch installation, thereby live the position of backward flow dish is injectd, improve the installation effectiveness of backward flow dish, lead to the condition that the backward flow dish shifted because of hydraulic influence when avoiding using, the anti-reflux effect is better, and whole power plant's external drainage is with the convenient operation of return water joint, the result of use is better for the conventional mode, satisfy people's operation requirement, and is relatively practical.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

FIG. 1 is a schematic view of the whole structure of a backwater joint for external drainage of a power plant of the present invention;

FIG. 2 is a partial structure diagram of the internal part of the backwater joint for the external drainage of the power plant;

FIG. 3 is a structural diagram of a backflow disc in a return water joint for external drainage of a power plant;

FIG. 4 is an internal structure view of a return pan in a return water joint for external drainage of a power plant of the present invention;

fig. 5 is the internal structure diagram of the upper joint in the return water joint for external drainage of the power plant of the utility model.

In the figure: 1. an upper joint; 2. connecting grooves; 3. a lower joint; 4. rotating the ring; 5. a reflow tray; 6. a spring; 7. blocking the ball; 8. a groove; 9. a card slot; 10. a clamping block; 11. a water passage; 12. and an annular fixing groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.

A backwater joint for external drainage of a power plant comprises an upper joint 1, a connecting groove 2 arranged at the lower end of the inner surface of the upper joint 1, a lower joint 3 connected with the lower end of the inner surface of the connecting groove 2 through internal and external threads at the upper end of the outer surface, and a rotating ring 4 integrally formed at the lower end of the outer surface of the upper joint 1, wherein an anti-backflow device is movably arranged above the lower joint 3 at the inner bottom surface of the connecting groove 2.

Divide into top connection 1 and lower clutch 3 with the return water joint, anti-reflux device is located between top connection 1 and the lower clutch 3 during the use, use a period when anti-reflux device and damage the back, people can directly take off top connection 1 and change anti-reflux device, and is more convenient, and the peripheral space of anti-reflux device is bigger moreover, can be convenient for people after taking off anti-reflux device clear up the dust that shelters from when anti-reflux device used, and the clearance is more convenient.

The anti-backflow device comprises a backflow disc 5 arranged at the upper end of the lower joint 3, a spring 6 with the upper end connected with the backflow disc 5 and a clamping ball 7 with the upper end connected with the spring 6, the upper end of the water flow channel inside the upper joint 1 and the lower end of the water flow channel inside the upper joint 1 are both in a round table shape, and the outer surface of the clamping ball 7 is attached to the upper end of the water flow channel inside the lower joint 3 close to the lower end.

The middle position of the outer surface of the lower end of the reflux disc 5 is provided with an arc-shaped groove, the middle position of the inner bottom surface of the arc-shaped groove is provided with a groove 8, and the upper end of the spring 6 is fixedly arranged at the middle position of the inner bottom surface of the groove 8.

The outer surface of the upper end of the backflow disc 5 is close to the outer side and is provided with a plurality of groups of clamping grooves 9, the inner bottom surface of the connecting groove 2 is close to the outer side and is integrally formed with a plurality of groups of clamping blocks 10, and the plurality of groups of clamping blocks 10 are respectively located inside the plurality of groups of clamping grooves 9.

Through the fixture block 10 of draw-in groove 9 and the interior bottom surface of spread groove 2 that sets up on backward flow dish 5, with draw-in groove 9 card on backward flow dish 5 in the fixture block 10 on spread groove 2 during installation backward flow dish 5, then rotate lower clutch 3, the top of lower clutch 3 can withstand backward flow dish 5's lower extreme after the lower clutch 3 installation, thereby live with the position of backward flow dish 5 is injectd, improve backward flow dish 5's installation effectiveness, lead to the condition that backward flow dish 5 shifted because of hydraulic influence when avoiding using, anti-reflux effect is better, and whole power plant is convenient operation that the return water connects for the external drainage, the result of use is better for traditional mode, satisfy people's operation requirement, and is relatively practical.

The outer surface of the reflux disc 5 is provided with a plurality of groups of water channels 11, and the lower ends of the water channels 11 are all in a cone shape.

An annular fixing groove 12 is formed in the position, close to the outer side, of the outer surface of the upper end of the upper joint 1, and pipeline connecting threads are arranged on the inner side wall of the annular fixing groove 12 and the outer surface of the lower joint 3.

The outer surface of the upper end of the lower joint 3 is pasted with a rubber sealing ring, and the outer surface of the rotating ring 4 is provided with anti-skid grains.

It should be noted that, the utility model relates to a return water joint for power plant's external drainage, with return water joint install on the outlet of equipment can, during the use, during normal drainage, the water pressure of lower extreme 3 is big, rivers extrude calorie ball 7, calorie ball 7 atress extrusion spring 6, calorie ball 7 aversion, rivers can enter into the rivers passageway of round platform shape, finally through the water passageway 11 in backward flow dish 5 in, finally flow into in upper joint 1, discharge through the pipeline, when the too big water reflux that leads to of external water pressure, water pressure extrudees calorie ball 7, calorie ball 7 can contact with the rivers passageway in lower joint 3, thereby shelter from the rivers passageway on the lower joint 3, thereby reach the effect of preventing the water reflux;

the water return joint is divided into an upper joint 1 and a lower joint 3, the backflow prevention device is positioned between the upper joint 1 and the lower joint 3 when in use, and after the backflow prevention device is damaged after being used for a period of time, people can directly take down the upper joint 1 to replace the backflow prevention device, so that the backflow prevention device is convenient to use, and the space around the backflow prevention device is large, so that the dust sheltered when the backflow prevention device is used can be conveniently cleaned by people after the backflow prevention device is taken down, and the cleaning is convenient;

the upper end and the lower end of the backflow prevention device are both truncated cone-shaped water flow channels, the space of the backflow prevention device is large, the water flow cannot be influenced, and when the water flow passes through the truncated cone-shaped water flow channels, the space changes slowly, so that the water pressure change speed is low, and the influence of the water pressure change on a water return joint is reduced;

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a power plant is return water joint for external drainage which characterized in that: the anti-backflow device comprises an upper joint (1), a connecting groove (2) formed in the lower end position of the inner surface of the upper joint (1), a lower joint (3) formed by connecting the upper end of the outer surface with the lower end of the inner surface of the connecting groove (2) through internal and external threads, and a rotating ring (4) integrally formed in the lower end position of the outer surface of the upper joint (1), wherein an anti-backflow device is movably arranged above the lower joint (3) on the inner bottom surface of the connecting groove (2).

2. The power plant external drainage water return joint of claim 1, characterized in that: the anti-backflow device comprises a backflow disc (5) arranged at the upper end of the lower joint (3), a spring (6) connected with the upper end of the backflow disc (5) and a blocking ball (7) connected with the spring (6) at the upper end of the backflow disc, the upper end of an internal water flow channel of the upper joint (1) and the lower end of the internal water flow channel of the upper joint (1) are both in a round table shape, and the outer surface of the blocking ball (7) is close to the upper end of the internal water flow channel of the lower joint (3) and is attached to the lower end of the lower joint (.

3. The power plant external drainage water return joint of claim 2, characterized in that: an arc-shaped groove is formed in the middle of the outer surface of the lower end of the backflow disc (5), a groove (8) is formed in the middle of the inner bottom surface of the arc-shaped groove, and the upper end of the spring (6) is fixedly installed in the middle of the inner bottom surface of the groove (8).

4. The power plant external drainage water return joint of claim 2, characterized in that: the outer surface of the upper end of the backflow disc (5) is close to the outer side and is provided with a plurality of groups of clamping grooves (9), the inner bottom surface of the connecting groove (2) is close to the outer side and is integrally formed with a plurality of groups of clamping blocks (10), and the clamping blocks (10) are arranged inside the groups of clamping grooves (9) respectively.

5. The power plant external drainage water return joint of claim 3, characterized in that: the outer surface of the backflow disc (5) is provided with a plurality of groups of water channels (11), and the lower ends of the water channels (11) are all in a cone shape.

6. The power plant external drainage water return joint of claim 1, characterized in that: an annular fixing groove (12) is formed in the position, close to the outer side, of the outer surface of the upper end of the upper connector (1), and pipeline connecting threads are arranged on the inner side wall of the annular fixing groove (12) and the outer surface of the lower connector (3).

7. The power plant external drainage water return joint of claim 1, characterized in that: the outer surface of the upper end of the lower joint (3) is pasted with a rubber sealing ring, and the outer surface of the rotating ring (4) is provided with anti-skid grains.