阅读说明：本技术 一种自带过滤网的模块化疏水阀及安装方法 (Modularized drain valve with filter screen and installation method ) 是由 王磊 张景胜 苏金贵 周风臣 于 2020-07-07 设计创作，主要内容包括：本发明公开了一种自带过滤网的模块化疏水阀及安装方法,包括阀体,所述阀体的内部设置有阀杆,所述阀杆与所述阀体转动连接,所述阀杆的底部外侧焊接有阀芯,所述阀芯转动设置在所述阀体内,所述阀体的一侧设置有连接口,所述连接口的外侧设置有进水管,所述进水管与所述连接口的连接处的外侧套设有第一固定板和第二固定板,所述第一固定板的一端和所述第二固定板的一端铰接。本发明还公开了一种自带过滤网的模块化疏水阀的安装方法。本发明通过在连接口内设置过滤网,可以对进入的水进行过滤,增加了水的干净度,降低了较大杂质通过阀门的阀芯部位,降低了杂质影响阀芯的打开或者关闭,从而保证了阀芯的密封性。(The invention discloses a modular drain valve with a filter screen and an installation method thereof, wherein the modular drain valve comprises a valve body, a valve rod is arranged in the valve body, the valve rod is rotatably connected with the valve body, a valve core is welded on the outer side of the bottom of the valve rod, the valve core is rotatably arranged in the valve body, a connecting port is arranged on one side of the valve body, a water inlet pipe is arranged on the outer side of the connecting port, a first fixing plate and a second fixing plate are sleeved on the outer side of the connecting part of the water inlet pipe and the connecting port, and one end of the first fixing plate is hinged with one end of the second fixing plate. The invention also discloses an installation method of the modular trap with the filter screen. According to the invention, the filter screen is arranged in the connecting port, so that the entering water can be filtered, the water cleanliness is increased, the valve core part of the valve through which larger impurities pass is reduced, the influence of the impurities on the opening or closing of the valve core is reduced, and the sealing property of the valve core is ensured.)

1. The utility model provides a modularization trap from taking filter screen, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve rod (2) is arranged in the valve body (1), the valve rod (2) is rotatably connected with the valve body (1), a valve core (3) is welded on the outer side of the bottom of the valve rod (2), the valve core (3) is rotatably arranged in the valve body (1), a connecting port (4) is arranged on one side of the valve body (1), a water inlet pipe (5) is arranged on the outer side of the connecting port (4), a first mounting port (6) is arranged on the other end of the water inlet pipe (5), a water outlet (7) is arranged on the other side of the valve body (1), a second mounting port (8) is arranged on the other end of the water outlet (7), a first fixing plate (9) and a second fixing plate (10) are sleeved on the outer side of the connecting position of the water inlet pipe (5) and the connecting port (4), one end of the first fixing, the other end of the first fixing plate (9) is welded with a first convex block (11), the other end of the second fixing plate (10) is welded with a second convex block (12), the first convex block (11) is fixedly connected with the second convex block (12) through a fastening bolt (13), a groove (14) is formed in the outer surface of the connecting port (4), a filter screen (15) is arranged inside the connecting port (4), a metal frame (16) is fixedly arranged on the outer side of the filter screen (15), the metal frame (16) is arranged in the groove (14), a first rubber sealing ring (17) is arranged between the metal frame (16) and the groove (14), the first rubber sealing ring (17) is fixedly arranged in the groove (14), a compression rod (18) is arranged inside the water inlet pipe (5) in a sliding mode, one end of the compression rod (18) is in contact with the surface of the metal frame (16), the circumference outside that compresses tightly pole (18) is located holding tank (19) have been seted up to the inside of inlet tube (5), it is provided with spring (20) to slide in holding tank (19), spring (20) cup joint on the circumference that compresses tightly pole (18), the other end that compresses tightly pole (18) is provided with spout (21), it is provided with slider (22) to slide in spout (21), slider (22) with the one end contact that compresses tightly pole (18), the last interior rotation of table of slider (22) is connected with screw rod (23), the other end of screw rod (23) runs through inlet tube (5), just the other end welding of screw rod (23) has knob (24), the cross recess has been seted up to the upper surface of knob (24).

2. The modular trap with filter screen of claim 1, wherein: and second rubber sealing rings (25) are fixedly bonded on the inner surfaces of the first fixing plate (9) and the second fixing plate (10).

3. The modular trap with filter screen of claim 1, wherein: the other end of the fastening bolt (13) is in threaded connection with a nut (26), and the nut (26) is arranged on the lower surface of the second bump (12).

4. The modular trap with filter screen of claim 1, wherein: the outer surface of filter screen (15) is provided with and holds between the fingers piece (27), it is fixed to set up to hold between the fingers piece (27) the central point of filter screen (15) puts.

5. The modular trap with filter screen of claim 1, wherein: one end of the spring (20) is fixedly arranged on the inner wall of the accommodating groove (19), and the other end of the spring (20) is fixedly arranged on the circumference of the pressing rod (18).

6. The modular trap with filter screen of claim 1, wherein: the joint of the pressing rod (18) and the water inlet pipe (5) is provided with a third rubber sealing ring (28), and the third rubber sealing ring (28) is fixedly arranged on the water inlet pipe (5).

7. The modular trap with filter screen of claim 1, wherein: the sliding block (22) is conical, and an inclined surface structure is arranged on one surface, in contact with the sliding block (22), of the pressing rod (18).

8. The modular trap with filter screen of claim 1, wherein: a limiting block (29) is welded on one side of the sliding block (22), a limiting groove (30) is formed in one side of the sliding groove (21), and the limiting block (29) is arranged in the limiting groove (30) in a sliding mode.

9. A method of installing a modular trap with its own strainer (15) according to any of claims 1-8, comprising the steps of:

s1, firstly, taking a filter screen (15), placing the filter screen (15) at a connecting port (4), and placing a metal frame (16) in a groove (14);

s2, taking the water inlet pipe (5), aligning the water inlet pipe (5) with the connecting port (4), and stabilizing the filter screen (15) in the groove (14);

s3, taking the first fixing plate (9) and the second fixing plate (10), sleeving the first fixing plate (9) and the second fixing plate (10) at the joint of the water inlet pipe (5) and the connecting port (4), and fixing the first bump (11) and the second bump (12) through a fastening bolt (13) to complete the installation of the water inlet pipe (5) and the connecting port (4);

s4, rotating the knob (24), enabling the knob (24) to drive the screw rod (23) to rotate, enabling the screw rod (23) to rotate to drive the sliding block (22) to slide downwards, and pushing the pressing rod (18) to move towards the right side in a sliding mode, enabling the end portion of the pressing rod (18) to press the metal frame (16), increasing the pressure between the metal frame (16) and the first rubber sealing ring (17) until the bottom of the knob (24) is in contact with the surface of the water inlet pipe (5), and completing the sealing installation of the filter screen (15);

and S5, finally, connecting the first mounting port (6) with an external water inlet pipe (5) through a flange, and connecting the second mounting port (8) with an external water outlet pipe through a flange to complete the installation of the valve.

Technical Field

The invention belongs to the technical field of drain valves, and particularly relates to a modular drain valve with a filter screen and an installation method.

Background

Steam traps, known as steam traps, also known as automatic drains or condensate drains, are divided into steam system uses and gas system uses. Most of the steam traps can automatically identify steam and water (without thermal-static force), thereby achieving the purpose of automatic steam-blocking and water-discharging. The drain valve is widely applied to the industries of petrochemical industry, food pharmacy, power plants and the like, plays a great role in energy conservation and emission reduction, and various drain valves on the market still have various problems.

Though the novel trap disclosed in the publication No. CN209705702U can control drainage through manual operation, the operation steps are simple, and it is convenient to drain water in time, and the better effect of energy saving and environmental protection is achieved, but the problem of the existing trap is not solved: the general valve is not provided with a filter screen, impurities can affect the opening or closing of the valve core when the valve is used, so that the sealing performance of the valve core is affected, and in addition, the sealing performance of installation needs to be considered when the filter screen is arranged.

Disclosure of Invention

The invention aims to provide a modular steam trap with a filter screen and an installation method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a modularized drain valve with a filter screen comprises a valve body, wherein a valve rod is arranged inside the valve body and is rotatably connected with the valve body, a valve core is welded at the outer side of the bottom of the valve rod and is rotatably arranged in the valve body, a connecting port is arranged at one side of the valve body, a water inlet pipe is arranged at the outer side of the connecting port, a first mounting port is arranged at the other end of the water inlet pipe, a water outlet is arranged at the other side of the valve body, a second mounting port is arranged at the other end of the water outlet, a first fixing plate and a second fixing plate are sleeved at the outer side of the connecting part of the water inlet pipe and the connecting port, one end of the first fixing plate is hinged with one end of the second fixing plate, a first lug is welded at the other end of the first fixing plate, a second lug is welded at the other end of the second fixing plate, and the, the outer surface of the connector is provided with a groove, a filter screen is arranged in the connector, a metal frame is fixedly arranged on the outer side of the filter screen and arranged in the groove, a first rubber sealing ring is arranged between the metal frame and the groove and fixedly arranged in the groove, a pressing rod is slidably arranged in the water inlet pipe, one end of the pressing rod is in contact with the surface of the metal frame, a containing groove is arranged on the outer side of the circumference of the pressing rod and positioned in the water inlet pipe, a spring is slidably arranged in the containing groove and sleeved on the circumference of the pressing rod, the other end of the pressing rod is provided with a chute, a sliding block is slidably arranged in the chute and is in contact with one end of the pressing rod, and a screw rod is rotatably connected in the upper surface of the sliding block, the other end of the screw rod penetrates through the water inlet pipe, the other end of the screw rod is welded with a knob, and a cross groove is formed in the upper surface of the knob.

Preferably, a second rubber sealing ring is fixedly bonded to the inner surfaces of the first fixing plate and the second fixing plate.

Preferably, the other end of the fastening bolt is in threaded connection with a nut, and the nut is arranged on the lower surface of the second bump.

Preferably, the outer surface of the filter screen is provided with a kneading block, and the kneading block is fixedly arranged at the center of the filter screen.

Preferably, one end of the spring is fixedly arranged on the inner wall of the accommodating groove, and the other end of the spring is fixedly arranged on the circumference of the pressing rod.

Preferably, the joint of the pressing rod and the water inlet pipe is provided with a third rubber sealing ring, and the third rubber sealing ring is fixedly arranged on the water inlet pipe.

Preferably, the sliding block is conical, and an inclined surface structure is arranged on one surface of the pressing rod, which is in contact with the sliding block.

Preferably, one side of the sliding block is welded with a limiting block, one side of the sliding groove is provided with a limiting groove, and the limiting block is arranged in the limiting groove in a sliding manner.

The invention also provides an installation method of the modular trap with the filter screen, which comprises the following steps:

s1, firstly, taking a filter screen, placing the filter screen at a connecting port, and placing a metal frame in a groove;

s2, taking a water inlet pipe, aligning the water inlet pipe with the connecting port, and stabilizing the filter screen in the groove;

s3, taking the first fixing plate and the second fixing plate, sleeving the first fixing plate and the second fixing plate at the joint of the water inlet pipe and the connector, and fixing the first bump and the second bump through fastening bolts to complete the installation of the water inlet pipe and the connector;

s4, rotating the knob to enable the knob to drive the screw to rotate, enabling the screw to rotate to drive the sliding block to slide downwards, and sliding to push the pressing rod to move towards the right side, so that the end part of the pressing rod presses the metal frame, the pressure between the metal frame and the first rubber sealing ring is increased until the bottom of the knob is in contact with the surface of the water inlet pipe, and the sealing installation of the filter screen is completed;

and S5, finally, connecting the first mounting port with an external water inlet pipeline through a flange, and connecting the second mounting port with an external water outlet pipeline through a flange to complete the mounting of the valve.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the filter screen is arranged in the connecting port, so that the entering water can be filtered, the water cleanliness is increased, the valve core part of the valve through which larger impurities pass is reduced, the influence of the impurities on the opening or closing of the valve core is reduced, and the sealing property of the valve core is ensured.

(2) According to the invention, the knob is rotated to drive the screw rod to rotate, the screw rod rotates to drive the sliding block to slide downwards, the pressing rod is pushed to move towards the right side in a sliding manner, the end part of the pressing rod presses the metal frame, the pressure between the metal frame and the first rubber sealing ring is increased, and thus the sealing property of the filter screen during installation is increased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a front view of FIG. 1 in accordance with the present invention;

FIG. 4 is a schematic structural view of a first fixing plate and a second fixing plate according to the present invention;

in the figure: 1. a valve body; 2. a valve stem; 3. a valve core; 4. a connecting port; 5. a water inlet pipe; 6. a first mounting port; 7. a water outlet; 8. a second mounting opening; 9. a first fixing plate; 10. a second fixing plate; 11. a first bump; 12. a second bump; 13. fastening a bolt; 14. a groove; 15. a filter screen; 16. a metal frame; 17. a first rubber seal ring; 18. a hold down bar; 19. accommodating grooves; 20. a spring; 21. a chute; 22. a slider; 23. a screw; 24. a knob; 25. a second rubber seal ring; 26. a nut; 27. kneading blocks; 28. a third rubber seal ring; 29. a limiting block; 30. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution of a modular trap with a filter net: comprises a valve body 1, a valve rod 2 is arranged in the valve body 1, the valve rod 2 is rotatably connected with the valve body 1, a valve core 3 is welded at the outer side of the bottom of the valve rod 2, the valve core 3 is rotatably arranged in the valve body 1, a connecting port 4 is arranged at one side of the valve body 1, a water inlet pipe 5 is arranged at the outer side of the connecting port 4, a first mounting port 6 is arranged at the other end of the water inlet pipe 5, a water outlet 7 is arranged at the other side of the valve body 1, a second mounting port 8 is arranged at the other end of the water outlet 7, a first fixing plate 9 and a second fixing plate 10 are sleeved at the outer side of the connecting part of the water inlet pipe 5 and the connecting port 4, one end of the first fixing plate 9 is hinged with one end of the second fixing plate 10, a first lug 11 is welded at the other end of the first, the outer surface of the connecting port 4 is provided with a groove 14, a filter screen 15 is arranged inside the connecting port 4, a metal frame 16 is fixedly arranged on the outer side of the filter screen 15, the metal frame 16 is arranged in the groove 14, a first rubber sealing ring 17 is arranged between the metal frame 16 and the groove 14, the first rubber sealing ring 17 is fixedly arranged in the groove 14, a pressing rod 18 is slidably arranged inside the water inlet pipe 5, one end of the pressing rod 18 is in contact with the surface of the metal frame 16, an accommodating groove 19 is arranged on the outer side of the circumference of the pressing rod 18 and inside the water inlet pipe 5, a spring 20 is slidably arranged in the accommodating groove 19, the spring 20 is sleeved on the circumference of the pressing rod 18, the other end of the pressing rod 18 is provided with a chute 21, a sliding block 22 is slidably arranged in the chute 21, the sliding block 22 is in contact with one end of the pressing, and the other end of the screw 23 is welded with a knob 24, and the upper surface of the knob 24 is provided with a cross groove.

In order to increase the sealing performance of the connection between the water inlet pipe 5 and the connection port 4, in the present embodiment, a second rubber seal 25 is preferably fixedly bonded to the inner surfaces of the first fixing plate 9 and the second fixing plate 10.

In order to increase the stability of the fastening bolt 13 and thus the stability of the connection between the first projection 11 and the second projection 12, in the present embodiment, it is preferable that the other end of the fastening bolt 13 is threadedly connected with a nut 26, and the nut 26 is disposed on the lower surface of the second projection 12.

In order to facilitate the assembly and disassembly of the filter screen 15 and facilitate the clamping, in this embodiment, preferably, the outer surface of the filter screen 15 is provided with a pinching block 27, and the pinching block 27 is fixedly disposed at the center of the filter screen 15.

In order to facilitate the elastic force of the spring 20 acting on the pressing rod 18, in the present embodiment, it is preferable that one end of the spring 20 is fixedly disposed on the inner wall of the receiving groove 19, and the other end of the spring 20 is fixedly disposed on the circumference of the pressing rod 18.

In order to avoid water from entering the joint between the pressing rod 18 and the water inlet pipe 5, in the present embodiment, it is preferable that a third rubber sealing ring 28 is disposed at the joint between the pressing rod 18 and the water inlet pipe 5, and the third rubber sealing ring 28 is fixedly disposed on the water inlet pipe 5.

In order to facilitate the slider 22 to move the pressing rod 18, in this embodiment, preferably, the slider 22 is configured to be conical, and a slope structure is provided on a surface of the pressing rod 18 contacting the slider 22.

In order to increase the stability of the slider 22 during movement and prevent the slider 22 from rotating along with the screw 23, in this embodiment, preferably, a limiting block 29 is welded on one side of the slider 22, a limiting groove 30 is formed on one side of the sliding groove 21, and the limiting block 29 is slidably disposed in the limiting groove 30.

The invention also provides an installation method of the modular trap with the filter screen 15, which comprises the following steps:

s1, firstly, taking a filter screen 15, placing the filter screen 15 at a connecting port 4, and placing a metal frame 16 in a groove 14;

s2, taking the water inlet pipe 5, aligning the water inlet pipe 5 with the connecting port 4, and stabilizing the filter screen 15 in the groove 14;

s3, taking the first fixing plate 9 and the second fixing plate 10, sleeving the first fixing plate 9 and the second fixing plate 10 at the joint of the water inlet pipe 5 and the connector 4, and fixing the first bump 11 and the second bump 12 through the fastening bolt 13 to complete the installation of the water inlet pipe 5 and the connector 4;

s4, rotating the knob 24 to enable the knob 24 to drive the screw 23 to rotate, enabling the screw 23 to rotate to drive the sliding block 22 to slide downwards, and pushing the pressing rod 18 to move towards the right side in a sliding mode, so that the end portion of the pressing rod 18 presses the metal frame 16, the pressure between the metal frame 16 and the first rubber sealing ring 17 is increased until the bottom of the knob 24 is in contact with the surface of the water inlet pipe 5, and the filter screen 15 is installed in a sealing mode;

and S5, finally, connecting the first mounting port 6 with an external water inlet pipe 5 through a flange, and connecting the second mounting port 8 with an external water outlet pipe through a flange to complete the installation of the valve.

The structural principle of the invention is as follows: according to the invention, the filter screen 15 is arranged in the connecting port 4, so that the entering water can be filtered, the water cleanliness is increased, the position of a valve core 3 of the valve through which larger impurities pass is reduced, the influence of the impurities on the opening or closing of the valve core 3 is reduced, and the sealing property of the valve core 3 is ensured; through cup jointing first fixed plate 9 and second fixed plate 10 in the junction of inlet tube 5 and connector 4, then fix first lug 11 and second lug 12 through fastening bolt 13, accomplish the installation of inlet tube 5 and connector 4, then rotate knob 24, make knob 24 drive screw 23 and rotate, screw 23 rotates and drives slider 22 and slides downwards, it compresses tightly the removal of pole 18 to the right side to slide promotion, make the tip that compresses tightly pole 18 press metal frame 16, increase the pressure between metal frame 16 and the first rubber seal 17, thereby leakproofness when increasing the installation of filter screen 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.