Protective valve for heat exchanger unit

Abstract

The utility model discloses a protective valve for a heat exchanger unit, which belongs to the technical field of valves and comprises a valve body, a vertical pipe is fixed at the upper end of the valve body, a valve rod is rotatably connected in the vertical pipe, a turntable is fixed at the upper end of the valve rod, a protective component is arranged on the vertical pipe, and a filter component is arranged at one end of the valve body. According to the utility model, the filter assembly, the water supply pipeline and the water inlet pipe are connected, water enters the filter box through the water inlet pipe, the filter screen in the filter box filters the water, then the water enters the valve body through the connecting hopper and then is discharged through the other end of the valve body, and when the filter screen is used for a long time and needs to be cleaned, the valve body is closed, and the fixing bolt is screwed out of the fixing hole; and then the mounting plate can be pulled to move out of the mounting groove, the mounting plate drives the filter screen to move out of the filter box through the insertion opening, water entering the valve body can be filtered by arranging the filter assembly, the filter screen is convenient to disassemble, assemble and clean, and the filter screen is prevented from being blocked after being used for a long time.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve technical field, concretely relates to a protective valve for heat exchanger unit. BACKGROUND

[0002] Valves are used to open and close pipelines, control flow direction, adjust and control parameters (temperature, pressure and flow) of the delivered medium.

[0003] Chinese patent application number 2020216121223 discloses a valve with a filtering device for a heat exchange unit, comprising a filtering mechanism and a liquid inlet, the right end of the filtering mechanism is provided with a liquid inlet, the filtering mechanism and the liquid inlet are fixedly connected through a flange, the right end of the liquid inlet is provided with a valve body, the right end of the valve body is provided with a liquid outlet, and the upper end of the valve body is provided with a vertical pipe, in the utility model, the filtering mechanism is arranged at one end of the liquid inlet of the valve, so that the impurities in the fluid can be filtered first through the filtering mechanism, so that the fluid after filtering can enter the inside of the valve, in the utility model, an adjusting rod is arranged in the inside of the deslagging pipe in the filtering mechanism, and the limiting plate in the adjusting rod is fixed in the inside of the deslagging pipe, so that the arrangement of the limiting plate in the deslagging pipe can be changed by rotating the vertical rod, so that the deslagging pipe can be freely controlled, and the phenomenon of water leakage of the deslagging pipe is avoided.

[0004] The above-mentioned disclosed patent cannot disassemble and assemble the filter screen, and impurities are easily attached to the filter screen during long-term use, causing the filter screen to be blocked, thereby affecting the use of the valve. Meanwhile, the original device does not have a protection function, cannot seal and protect the valve rod and the vertical pipe, and the valve rod and the vertical pipe are exposed and are easily eroded by rainwater and rusted, affecting the subsequent rotation of the valve rod. UTILITY MODEL CONTENTS

[0005] To solve the problems in the above background art, the utility model provides a protective valve for a heat exchanger unit, which has the characteristics of detachable filter screen and protection of the valve rod and the vertical pipe.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a protective valve for a heat exchanger unit, comprising a valve body, a vertical pipe fixed to the upper end of the valve body, a valve rod rotatably connected in the vertical pipe, a rotating disc fixed to the upper end of the valve rod, a protection assembly arranged on the vertical pipe, and a filtering assembly arranged at one end of the valve body;

[0007] The filtering assembly comprises a filtering box, a water inlet pipe, a connecting hopper, a filtering screen, a mounting plate, a mounting groove, a fixing hole, a fixing bolt and a socket, wherein one end of the valve body is provided with the filtering box, the filtering box is connected with the valve body through the connecting hopper, the lower side of the end of the filtering box away from the connecting hopper is fixed with the water inlet pipe, the inside of the filtering box is provided with the filtering screen, one end of the filtering screen is fixed with the mounting plate, the end of the filtering box is provided with the mounting groove corresponding to the mounting plate, the end of the mounting groove is provided with the socket corresponding to the filtering screen, the mounting plate is connected with the filtering box through the fixing bolt, and the fixing hole corresponding to the fixing bolt is arranged in the mounting groove.

[0008] Preferably, the filtering assembly further comprises a supporting strip, a fixing hopper and a chip removal pipe, wherein the inside of the filtering box is fixed with the supporting strip at positions corresponding to the filtering screen at two ends, the lower end of the inside of the filtering box is fixed with the fixing hopper, and the lower end of the filtering box is fixed with the chip removal pipe at a position corresponding to the fixing hopper, and the lower end of the chip removal pipe is threadedly connected with a pipe cover.

[0009] Preferably, the inner walls of the mounting groove and the socket are adhered with rubber pads through glue, and the end of the mounting plate away from the filtering screen is fixed with a pull ring.

[0010] Preferably, the side edges of the filtering screen are tightly attached to the side edges of the supporting strip after the filtering screen is installed into the filtering box, and the mounting plate is provided with a perforation corresponding to the fixing bolt.

[0011] Preferably, the protective assembly comprises a protective box, a box door, a handle, a magnetic strip one and a magnetic strip two, wherein the vertical pipe is fixed with the protective box, the front end of the protective box is rotatably connected with the box door on one side, the box door is fixed with the handle on one end, the front end of the protective box is provided with the magnetic strip two on one side, and the box door is provided with the magnetic strip one at a position corresponding to the magnetic strip two on one end.

[0012] Preferably, the side edges of the magnetic strip one and the box door are flush with each other, and the side edges of the magnetic strip two and the protective box are flush with each other, and the box door and the protective box are connected through a hinge.

[0013] Compared with the prior art, the filtering assembly has the following beneficial effects:

[0014] 1、The filtering assembly is arranged, the water pipeline is connected with the water inlet pipe, water enters the filtering box through the water inlet pipe, the filtering screen in the filtering box filters the water, and then the filtered water enters the valve body through the connecting hopper, and then is discharged through the other end of the valve body, when the filtering screen needs to be cleaned after long-time use, the valve body is closed, the fixing bolt is unscrewed from the fixing hole, then the mounting plate can be pulled out of the mounting groove, the mounting plate drives the filtering screen to move out of the filtering box through the socket, the filtering assembly is arranged to filter the water entering the valve body, the filtering screen is convenient to disassemble and clean, and the filtering screen is prevented from being blocked after long-time use.

[0015] 2. The utility model discloses a protection assembly is set up, when not needing rotating the rotary disc and valve rod, the box door is closed through the handle, and the magnetic stripe one of one end of box door and the magnetic stripe two of the front end of protection box are adsorbed, reach the effect that the box door is positioned and fixed, and the box door and protection box can be sealed and protected between valve rod and stand pipe, avoid that valve rod and stand pipe are exposed to the outside and are easy to be eroded by rainwater and rust, influence subsequent valve rod rotation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the perspective drawing of the utility model;

[0017] Figure 2 It is the bottom perspective drawing of the utility model;

[0018] Figure 3 It is the filter box cutaway perspective drawing of the utility model;

[0019] Figure 4 It is the filter box cutaway perspective drawing of the utility model when installing filter screen;

[0020] In the drawing: 1, valve body;2, filter assembly;21, filter box;22, water inlet pipe;23, connecting hopper;24, filter screen;25, mounting plate;26, mounting groove;27, fixed hole;28, fixed bolt;29, spigot;210, support strip;211, fixed hopper;212, chip removal pipe;3, protection assembly;31, protection box;32, box door;33, handle;34, magnetic stripe one;35, magnetic stripe two;4, stand pipe;5, valve rod;6, rotary disc. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Embodiment 1

[0023] Please refer to Figures 1-4 The utility model provides the following technical scheme: a heat exchanger unit protection type valve, including valve body 1, the vertical pipe 4 is fixed on valve body 1 upper end, the valve rod 5 is rotationally connected in the vertical pipe 4, the rotary disc 6 is fixed on the valve rod 5 upper end, the protection assembly 3 is set up on the vertical pipe 4, and one end of valve body 1 is provided with filter assembly 2;

[0024] The filter assembly 2 comprises a filter box 21, a water inlet pipe 22, a connecting hopper 23, a filter screen 24, a mounting plate 25, a mounting groove 26, a fixing hole 27, a fixing bolt 28 and a socket 29, wherein the valve body 1 is provided with the filter box 21 at one end, the filter box 21 is connected with the valve body 1 through the connecting hopper 23, the filter box 21 is fixed with the water inlet pipe 22 at the lower side of the end away from the connecting hopper 23, the filter box 21 is provided with the filter screen 24 inside, the filter screen 24 is fixed with the mounting plate 25 at one end, the filter box 21 is provided with the mounting groove 26 corresponding to the mounting plate 25 at one end, the mounting groove 26 is provided with the socket 29 corresponding to the filter screen 24 at one end, and the mounting plate 25 is connected with the filter box 21 through the fixing bolt 28. The fixing hole 27 corresponding to the fixing bolt 28 is formed in the mounting groove 26.

[0025] Specifically, the filter assembly 2 further comprises a support strip 210, a fixing hopper 211 and a chip removal pipe 212, wherein the support strip 210 is fixed at the positions corresponding to the filter screen 24 at both ends inside the filter box 21, the fixing hopper 211 is fixed at the lower end inside the filter box 21, and the chip removal pipe 212 is fixed at the position corresponding to the fixing hopper 211 at the lower end of the filter box 21, and the pipe cover is threadedly connected to the lower end of the chip removal pipe 212.

[0026] By adopting the above technical scheme, the support strip 210 is arranged at both ends inside the filter box 21, after the filter screen 24 is installed into the filter box 21, the support strip 210 can limit the filter screen 24, so that the filter screen 24 is more stable in use, larger impurities can fall into the fixing hopper 211 when the filter screen 24 is used, the pipe cover at the lower end of the chip removal pipe 212 can be unscrewed when the valve body 1 is closed, and the impurities in the fixing hopper 211 can be discharged out of the filter box 21 through the chip removal pipe 212.

[0027] Specifically, the inner walls of the mounting groove 26 and the socket 29 are both bonded with rubber pads through glue, and the mounting plate 25 is fixed with a pull ring at the end away from the filter screen 24.

[0028] By adopting the above technical scheme, the mounting plate 25 is better sealed after being installed into the mounting groove 26, so that water leakage is avoided, and the pull ring fixed at the end of the mounting plate 25 away from the filter screen 24 facilitates pulling the mounting plate 25.

[0029] Specifically, the side edge of the filter screen 24 is in close contact with the side edge of the support strip 210 after the filter screen 24 is installed into the filter box 21, and the mounting plate 25 is provided with a perforation corresponding to the fixing bolt 28.

[0030] By adopting the above technical scheme, the support strip 210 has better limiting and supporting effect on the filter screen 24, and the fixing bolt 28 can pass through the mounting plate 25 and be screwed into the fixing hole 27.

[0031] When the heat exchanger unit is used, the device is installed in the appropriate position, and the valve stem 5 is rotated by rotating the rotating disc 6, and the valve ball in the valve body 1 is rotated to control the opening and closing of the valve body 1. The filter assembly 2 is provided, the water pipe is connected with the water inlet pipe 22, the water enters the filter box 21 through the water inlet pipe 22, and the filter screen 24 in the filter box 21 filters the water and then enters the valve body 1 through the connecting hopper 23. After that, it is discharged through the other end of the valve body 1. When the filter screen 24 needs to be cleaned after a long time of use, the valve body 1 is closed, the fixing bolt 28 is unscrewed from the fixing hole 27, and then the mounting plate 25 can be pulled out of the mounting slot 26. The mounting plate 25 drives the filter screen 24 to be removed from the filter box 21 through the socket 29. The filter assembly 2 is provided to filter the water entering the valve body 1, and the filter screen 24 is convenient to disassemble and clean, avoiding blockage of the filter screen 24 after a long time of use. The support strips 210 are arranged at both ends inside the filter box 21. After the filter screen 24 is installed into the filter box 21, the support strips 210 can limit the filter screen 24, making the filter screen 24 more stable in use. When the filter screen 24 is used, larger impurities can fall into the fixed hopper 211. When the valve body 1 is closed, the pipe cover at the lower end of the chip removal pipe 212 can be unscrewed, and the impurities in the fixed hopper 211 can be discharged from the filter box 21 through the chip removal pipe 212.

[0032] Embodiment 2

[0033] The difference between this embodiment and embodiment 1 is that the protection assembly 3 includes a protection box 31, a box door 32, a handle 33, a magnetic strip one 34 and a magnetic strip two 35. The protection box 31 is fixed on the vertical pipe 4, the box door 32 is rotatably connected to one side of the front end of the protection box 31, the handle 33 is fixed to one end of the box door 32, the magnetic strip two 35 is arranged on one side of the front end of the protection box 31, and the magnetic strip one 34 is arranged on the position corresponding to the magnetic strip two 35 at one end of the box door 32.

[0034] By adopting the above technical scheme, when the rotating disc 6 and the valve stem 5 do not need to be rotated, the box door 32 is closed by pushing the handle 33, and the magnetic strip one 34 at one end of the box door 32 is adsorbed with the magnetic strip two 35 at the front end of the protection box 31, so as to achieve the effect of limiting and fixing the box door 32. The box door 32 and the protection box 31 can seal and protect the valve stem 5 and the vertical pipe 4, avoiding that the valve stem 5 and the vertical pipe 4 are exposed to the outside and easily corroded by rainwater, which affects the subsequent rotation of the valve stem 5.

[0035] Specifically, the side edges of the magnetic strip one 34 and the box door 32 are flush, and the side edges of the magnetic strip two 35 and the protection box 31 are flush. The box door 32 and the protection box 31 are connected by a hinge.

[0036] By adopting the above technical scheme, the magnetic stripe one 34 side edge and the box door 32 side edge are flush, and the magnetic stripe two 35 side edge and the protective box 31 side edge are flush, avoiding poor sealing of the box door 32, and the hinge connection enables the box door 32 to be rotatable.

[0037] In use of the embodiment, by setting the protection assembly 3, when the rotary disc 6 and the valve rod 5 do not need to be rotated, the box door 32 is closed by pushing the handle 33, the magnetic stripe one 34 at one end of the box door 32 is adsorbed with the magnetic stripe two 35 at the front end of the protective box 31, achieving the effect of limiting and fixing the box door 32, and the box door 32 and the protective box 31 can seal and protect the valve rod 5 and the vertical pipe 4, avoiding that the valve rod 5 and the vertical pipe 4 are exposed outside and are easily corroded by rainwater, and affecting subsequent rotation of the valve rod 5.

[0038] The structure and working principle of the valve body 1, the vertical pipe 4, the valve rod 5 and the rotary disc 6 in the utility model have been disclosed in a valve with a filtering device for a heat exchange unit in Chinese Patent Application No. 2020216121223, and the working principle is that rotating the rotary disc 6 can drive the valve rod 5 to rotate, and the valve rod 5 drives the valve ball in the valve body 1 to rotate, thereby controlling opening and closing of the valve body 1.

[0039] The utility model discloses a working principle and use flow: heat exchanger unit uses protective valve when using, install the device in suitable position, rotate the rotating disc 6 and can drive valve stem 5 rotation, valve stem 5 rotation drives valve ball in valve body 1 rotation and thereby controls valve body 1 switch, through setting filter assembly 2, water pipe and inlet pipe 22 are connected, and water enters filter box 21 through inlet pipe 22, and filter screen 24 in filter box 21 is filtered to water and enters valve body 1 through connecting hopper 23, then is discharged through the other end of valve body 1, and filter screen 24 needs cleaning when long -time use is closed valve body 1, and fixed bolt 28 is screwed out from fixed hole 27, then can pull mounting plate 25 and remove from installation groove 26, and mounting plate 25 drives filter screen 24 and removes from filter box 21 through spigot 29, and filter screen 24 is convenient to dismount and clean through setting filter assembly 2, and the water in valve body 1 is filtered, and filter screen 24 is convenient to dismount and clean, avoids filter screen 24 and blocks up when long -time use, and support strip 210 is set up in the inside both ends of filter box 21, after filter screen 24 is installed into filter box 21, support strip 210 can play the limiting action to filter screen 24, make filter screen 24 use more stable, and the larger impurity can fall into fixed hopper 211 when filter screen 24 uses, and the pipe cover of the lower end of the chip removal pipe 212 can be screwed down when valve body 1 is closed, and the impurity in fixed hopper 211 can be discharged filter box 21 through the chip removal pipe 212, through setting protection component 3, when not needing rotating disc 6 and valve stem 5 are rotated, the box door 32 is closed through handle 33, and the magnetic strip one 34 of one end of box door 32 and the magnetic strip two 35 of the front end of protection box 31 are adsorbed, reach the effect that the box door 32 is positioned and fixed, and the box door 32 and protection box 31 can be sealed and protected between valve stem 5 and standpipe 4, avoid valve stem 5 and standpipe 4 and expose to the outside and rust easily, influence subsequent valve stem 5 rotation.

[0040] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protective valve for a heat exchanger unit, comprising a valve body (1), wherein a vertical pipe (4) is fixed to the upper end of the valve body (1), a valve stem (5) is rotatably connected in the vertical pipe (4), and a turntable (6) is fixed to the upper end of the valve stem (5), characterized in that: A protective component (3) is installed on the vertical pipe (4), and a filter component (2) is installed at one end of the valve body (1); The filter assembly (2) includes a filter box (21), an inlet pipe (22), a connecting hopper (23), a filter screen (24), a mounting plate (25), a mounting groove (26), a fixing hole (27), fixing bolts (28), and a socket (29). The filter box (21) is located at one end of the valve body (1), and the filter box (21) is connected to the valve body (1) via the connecting hopper (23). An inlet pipe (22) is fixed to the lower side of the end of the filter box (21) furthest from the connecting hopper (23). The filter box (21) is equipped with a filter screen (24). One end of the filter screen (24) is fixed with a mounting plate (25). One end of the filter box (21) is provided with a mounting groove (26) corresponding to the mounting plate (25). One end of the mounting groove (26) is provided with an insertion port (29) corresponding to the filter screen (24). The mounting plate (25) and the filter box (21) are connected by fixing bolts (28). The mounting groove (26) is provided with fixing holes (27) corresponding to the fixing bolts (28).

2. The protective valve for a heat exchanger unit according to claim 1, characterized in that: The filter assembly (2) further includes a support bar (210), a fixed bucket (211), and a chip removal pipe (212). The support bar (210) is fixed at both ends of the filter box (21) at positions corresponding to the filter screen (24). The fixed bucket (211) is fixed at the lower end of the filter box (21). The chip removal pipe (212) is fixed at the lower end of the filter box (21) at a position corresponding to the fixed bucket (211). The lower end of the chip removal pipe (212) is threaded with a pipe cap.

3. A protective valve for a heat exchanger unit according to claim 1, characterized in that: The inner walls of the mounting groove (26) and the socket (29) are glued with rubber pads, and a pull ring is fixed to the end of the mounting plate (25) away from the filter screen (24).

4. A protective valve for a heat exchanger unit according to claim 2, characterized in that: After the filter screen (24) is installed into the filter box (21), the side of the filter screen (24) is in close contact with the side of the support bar (210), and the mounting plate (25) has through holes corresponding to the fixing bolts (28).

5. A protective valve for a heat exchanger unit according to claim 1, characterized in that: The protective component (3) includes a protective box (31), a box door (32), a handle (33), a magnetic strip one (34), and a magnetic strip two (35). The protective box (31) is fixed on the vertical pipe (4). The box door (32) is rotatably connected to one side of the front end of the protective box (31). A handle (33) is fixed to one end of the box door (32). A magnetic strip two (35) is provided on one side of the front end of the protective box (31). A magnetic strip one (34) is provided at the position corresponding to the magnetic strip two (35) at one end of the box door (32).

6. A protective valve for a heat exchanger unit according to claim 5, characterized in that: The sides of the magnetic stripe one (34) and the box door (32) are flush, as are the sides of the magnetic stripe two (35) and the protective box (31). The box door (32) and the protective box (31) are connected by hinges.

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