Drain valve convenient to clean

Abstract

The utility model relates to the technical field of water valves, in particular to a drain valve convenient to clean, which comprises a valve body, a water inlet pipe and a water outlet pipe are respectively arranged at two opposite ends of the valve body, a filter component is arranged in the valve body, an openable bottom cover is arranged at the bottom of the valve body, and a cleaning component for cleaning the filter component is arranged in the valve body. A lifting assembly for driving the cleaning assembly is arranged at the top of the valve body, and a locking assembly capable of connecting the bottom cover with the bottom of the valve body is arranged on the bottom cover. The cleaning assembly is driven by the lifting assembly to move towards the bottom in the valve body, the cleaning assembly can clean the filtering assembly while descending, the valve can be closed when the cleaning assembly moves to the bottom in the valve body, condensate water is prevented from entering the valve body from the water inlet pipe, a bottom cover is opened, and the cleaning effect is good. And impurities accumulated at the bottom in the valve body can be conveniently cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to water valve technical field, concretely is a drain valve convenient to clean. BACKGROUND

[0002] The basic function of the drain valve is to discharge the condensate, air and carbon dioxide gas in the steam system as soon as possible, and to prevent steam leakage to the maximum extent. During use, rust residues in the valve body need to be removed regularly to prevent the valve body from being blocked.

[0003] In order to realize the reutilization of energy, the condensate passing through the drain valve is usually recycled. The existing patent application No. CN202121671655.3 discloses a filtering type drain valve, which is characterized in that it comprises a valve body, a valve cover, an inlet pipe, an outlet pipe, a filter screen, a drainage device and an exhaust device. The inlet pipe is connected to the inner cavity of the valve body, and the valve cover is arranged at the connection between the inlet pipe and the valve body. The inlet pipe comprises a pre-filtering section, a screen mounting section and a post-filtering section. The screen mounting section is arranged between the pre-filtering section and the post-filtering section. The filter screen is detachably fixed to the screen mounting section. One end of the post-filtering section is open and connected to the filter hole structure on the filter screen. The other end of the post-filtering section is connected to the inner cavity of the valve body. By arranging the filter screen at the front end inlet of the drain valve, solid impurities in the pipeline can be effectively intercepted, the drain valve is prevented from being blocked, the accumulation of liquid is avoided, the service life of the valve is prolonged, the filter screen can be detached for timely cleaning, the steam equipment system is purified, the drain capacity and control efficiency of the valve are ensured, and the sealing reliability of the valve is ensured.

[0004] However, although the above-mentioned patent filters most impurities in the condensate through the filter screen, some impurities with small diameters can still pass through the filter screen and enter the interior of the valve body. Long-term use can cause the interior of the valve body to be blocked, the entire valve body needs to be completely removed for cleaning, the labor intensity of the operator is increased, and the working efficiency of the drain valve is affected. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, and provide a drain valve convenient to clean. The cleaning assembly is driven by the lifting assembly to move to the bottom of the valve body. The cleaning assembly can clean the filtering assembly while descending. When the cleaning assembly moves to the bottom of the valve body, the valve can be closed to prevent the condensate from entering the interior of the valve body through the water inlet pipe. The bottom cover is opened to facilitate the cleaning of the impurities accumulated at the bottom of the valve body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0007] The utility model provides a drain valve convenient to clean, including the valve body, the opposite both ends of valve body are equipped with water inlet pipe and water outlet pipe respectively, the inside of valve body is equipped with filter assembly, the bottom of valve body is equipped with openable bottom cover, the inside of valve body is equipped with the cleaning assembly of filter assembly, the top of valve body is equipped with the lifting assembly of drive cleaning assembly, the bottom cover is equipped with the locking assembly of can be connected with the bottom of valve body.

[0008] Preferably, the filter assembly includes a first filter plate and a second filter plate, the first filter plate is arranged in the middle of the valve body, and the second filter plate is arranged at the position where the valve body is connected with the water outlet pipe.

[0009] Preferably, the cleaning assembly includes a first blocking block and a second blocking block, the first blocking block and the second blocking block are arranged on the two sides of the first filter plate respectively, the opposite ends of the first blocking block and the second blocking block are provided with brush hairs, the brush hairs on the two sides are respectively abutted with the two sides of the first filter plate, the opposite two ends of the first blocking block and the second blocking block are respectively abutted with the two sides of the valve body having the water inlet pipe and the water outlet pipe, and the other two sides of the first blocking block and the second blocking block are respectively abutted with the inner wall of the valve body.

[0010] Preferably, the side of the first blocking block and the second blocking block, which is abutted with the valve body having the water inlet pipe and the water outlet pipe, is provided with a sealing gasket.

[0011] Preferably, the water inlet pipe and the water outlet pipe are arranged in the lower half of the opposite two sides of the valve body, and the thickness of the first blocking block and the second blocking block is matched with the diameter of the water inlet pipe and the water outlet pipe.

[0012] Preferably, the lifting assembly includes a mounting seat, a threaded rod is installed on the mounting seat through a bearing, a connecting frame is installed on the threaded rod through a thread, a plurality of through holes are arranged on the top of the valve body, the bottom sides of the two ends of the connecting frame are connected with the first blocking block and the second blocking block respectively through connecting rods, and a handle is arranged at the top end of the threaded rod.

[0013] Preferably, the locking assembly includes a connecting plate, the bottom cover is connected with one side of the bottom of the valve body through a hinge, the end of the bottom cover, which is away from the hinge, is provided with a connecting plate, a fixing plate corresponding to the connecting plate is arranged below the side of the valve body, a rotating locking column is arranged on the connecting plate, a locking block is arranged at the top end of the locking column, a pin hole matched with the locking block is arranged on the fixing plate, and a sealing layer is arranged on the bottom cover.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses a simple structure, and the condensate water is discharged from the water outlet pipe after filtering through the filtering component, and the impurities in the condensate water are filtered by the filtering component, under the action of water flow, the impurities are on the filtering component, when the trap valve does not need to work, the cleaning component is moved to the bottom in the valve body through the lifting assembly, and the cleaning component can not only clean the filtering component when descending, but also can close the valve when the cleaning component moves to the bottom in the valve body, avoiding that the condensate water enters the valve body from the water inlet pipe, since the cleaning component moves to the bottom in the valve body, therefore, the cleaning component completely cleans the impurities on the filtering component to the bottom of the valve body, since the cleaning component is blocked in the water inlet pipe, when the locking of the locking assembly is released, the bottom cover is opened, the impurities accumulated in the bottom of the valve body are cleaned, the cleaning work is carried out once every time when the valve body is closed, the inside of the valve body is ensured to have no impurities, the inside of the valve body is prevented from being blocked, the service life of the device is ensured, and the working efficiency of the trap valve is ensured.

[0016] 2. The filter hole diameter on the first filter plate of the device is greater than the filter hole diameter on the second filter plate, so that the impurities in the condensate water can be directly and completely cleaned, and subsequent filtering work is not needed when the condensate water is reused, and the first filter plate and the second filter plate are combined to completely filter the impurities in the condensate water.

[0017] 3. The bristles on the first blocking block and the second blocking block can thoroughly clean the front surface and the reverse surface of the first filter plate, and the first blocking block and the second blocking block can completely block the water inlet pipe and the water outlet pipe respectively when the first blocking block and the second blocking block completely descend, so that the closing effect of the valve body is realized.

[0018] 4. The sealing gasket is arranged on the device, so that the sealing property is improved when the first blocking block and the second blocking block block the water inlet pipe and the water outlet pipe respectively when descending, the condensate water in the water inlet pipe is prevented from flowing into the valve body, and the condensate water is prevented from leaking from the bottom of the valve body when the bottom cover is opened to clean the impurities.

[0019] 5. When the first blocking block and the second blocking block abut against the top in the valve body, the water inlet pipe and the water outlet pipe are ensured to be unobstructed, and the condensate water is ensured to normally pass through the trap valve, and the first blocking block and the second blocking block are driven by the lifting assembly, so that the first blocking block and the second blocking block can completely block the water inlet pipe and the water outlet pipe respectively, since the thickness of the first blocking block and the second blocking block is matched with the diameter of the water inlet pipe and the water outlet pipe, since the opposite side surfaces of the first blocking block and the second blocking block are provided with bristles, the first filter plate can be cleaned, and when the first blocking block and the second blocking block descend, water flow enters the top of the first blocking block and the second blocking block through the bristles, so that the first blocking block and the second blocking block cannot effectively move downward to block the water inlet pipe and the water outlet pipe.

[0020] 6、The device ensures that the locking block at the top end of the locking column can pass through the pin hole through the screwing of the locking column, separates the bottom cover from the valve body under the cooperation of the hinge, facilitates the operator to completely clean the impurities at the bottom of the valve body, after the cleaning work is completed, the bottom cover is butted with the valve body bottom, then the locking block at the top end of the locking column is inserted into the pin hole, the bottom cover is locked at the valve body bottom by rotating the locking column by 90°, since the sealing layer is arranged between the bottom cover and the valve body bottom, the condensed water passing through the drain valve can be prevented from flowing out from the gap between the bottom cover and the valve body bottom, and the sealing property of the valve body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The overall structure of the utility model is shown Figure 1 ;

[0022] Figure 2 The overall structure of the utility model is shown Figure 2 ;

[0023] Figure 3 The internal structure of the utility model is shown

[0024] Figure 4 The partial structure of the utility model is shown Figure 1 enlarged view.

[0025] In the drawing: 1, valve body; 2, water inlet pipe; 3, water outlet pipe; 4, bottom cover; 5, first blocking block; 6, second blocking block; 7, first filter plate; 8, second filter plate; 9, hinge; 10, connecting plate; 11, locking column; 12, fixed plate; 13, pin hole; 14, locking block; 15, mounting seat; 16, connecting rod; 17, connecting frame; 18, handle; 19, threaded rod; 20, through hole; 21, sealing gasket; 22, brush. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection scope of the utility model.

[0027] Embodiment one

[0028] A drain valve convenient to clean, the structure is as Figures 1-4As shown, including the valve body 1, the opposite ends of the valve body 1 are respectively provided with water inlet pipe 2 and water outlet pipe 3, the valve body 1 is provided with filter assembly inside, the valve body 1 bottom is provided with openable bottom cover 4, the valve body 1 inside is provided with cleaning assembly for cleaning filter assembly, the valve body 1 top is provided with lifting assembly for driving cleaning assembly, the bottom cover 4 is provided with locking assembly capable of connecting with the bottom of valve body 1.

[0029] The hydrophobic valve works, because the cleaning assembly also has the function of plugging, the lifting assembly drives the cleaning assembly to move to the upper end inside the valve body 1, ensure that the condensed water can enter the valve body 1 inside through the water inlet pipe 2, filtered by filter assembly and discharged from the water outlet pipe 3, the impurities in the condensed water will be filtered by the filter assembly, under the action of water flow, the impurities are on the filter assembly, when the hydrophobic valve does not need to work, the cleaning assembly is driven by the lifting assembly to move to the bottom inside the valve body 1, the cleaning assembly can not only clean the filter assembly while descending, when the cleaning assembly moves to the bottom inside the valve body 1, it can also close the valve, to avoid the condensed water from the water inlet pipe 2 into the valve body 1, because the cleaning assembly moves to the bottom inside the valve body 1, the cleaning assembly completely cleans the impurities on the filter assembly to the bottom of the valve body 1, because the cleaning assembly descends into the water inlet pipe 2 to plug, at this time, by unlocking the locking assembly, the bottom cover 4 is opened, to facilitate the cleaning of the impurities accumulated in the bottom of the valve body 1, to facilitate cleaning work every time the valve body 1 is closed, to ensure that there is no impurity residue in the valve body 1 to cause blockage in the valve body 1, to ensure the service life of the device, and to ensure the working efficiency of the hydrophobic valve.

[0030] The filter assembly comprises a first filter plate 7 and a second filter plate 8, the first filter plate 7 is arranged in the middle of the valve body 1, and the second filter plate 8 is arranged at the position where the valve body 1 is connected with the water outlet pipe 3.

[0031] The first filter plate 7 and the second filter plate 8 are both provided with filter holes, the diameter of the filter holes on the first filter plate 7 is larger than that of the second filter plate 8, so that the impurities in the condensed water can be completely cleaned without subsequent filtering work when the condensed water is reused, and the combination of the first filter plate 7 and the second filter plate 8 facilitates complete filtration of the impurities in the condensed water.

[0032] The cleaning assembly comprises a first plugging block 5 and a second plugging block 6, the first plugging block 5 and the second plugging block 6 are respectively arranged on the two sides of the first filter plate 7, the opposite ends of the first plugging block 5 and the second plugging block 6 are both provided with bristles 22, the bristles 22 on the two sides respectively abut against the two sides of the first filter plate 7, the opposite ends of the first plugging block 5 and the second plugging block 6 respectively abut against the two side surfaces of the valve body 1 with the water inlet pipe 2 and the water outlet pipe 3, and the other two side surfaces of the first plugging block 5 and the second plugging block 6 respectively abut against the inner wall of the valve body 1.

[0033] When the first blocking block 5 and the second blocking block 6 are lowered synchronously under the driving of the lifting assembly, the bristles 22 on the first blocking block 5 and the second blocking block 6 can thoroughly clean the front surface and the reverse surface of the first filter plate 7, and when the first blocking block 5 and the second blocking block 6 are completely lowered, the first blocking block 5 and the second blocking block 6 can completely block the water inlet pipe 2 and the water outlet pipe 3 respectively, thereby achieving the closing effect of the valve body 1.

[0034] The first blocking block 5 and the second blocking block 6 are respectively provided with sealing pads 21 on the side surfaces abutting against the water inlet pipe 2 and the water outlet pipe 3 of the valve body 1.

[0035] The sealing pads 21 can improve the sealing performance when the first blocking block 5 and the second blocking block 6 are lowered to block the water inlet pipe 2 and the water outlet pipe 3 respectively, thereby preventing the condensed water in the water inlet pipe 2 from flowing into the valve body 1 and preventing the condensed water from leaking from the bottom of the valve body 1 when the bottom cover 4 is opened to clean the impurities.

[0036] The water inlet pipe 2 and the water outlet pipe 3 are respectively arranged in the lower half of the opposite sides of the valve body 1, and the thicknesses of the first blocking block 5 and the second blocking block 6 are adapted to the diameters of the water inlet pipe 2 and the water outlet pipe 3.

[0037] When the first blocking block 5 and the second blocking block 6 abut against the top of the valve body 1 under the driving of the lifting assembly, the water inlet pipe 2 and the water outlet pipe 3 are ensured to be unobstructed, and the condensed water is ensured to pass through the drain valve normally. Since the thicknesses of the first blocking block 5 and the second blocking block 6 are adapted to the diameters of the water inlet pipe 2 and the water outlet pipe 3, the first blocking block 5 and the second blocking block 6 can completely block the water inlet pipe 2 and the water outlet pipe 3 respectively. Since the opposite side surfaces of the first blocking block 5 and the second blocking block 6 are provided with the bristles 22, the first blocking block 5 and the second blocking block 6 can not only clean the first filter plate 7, but also ensure that the water flows into the top of the first blocking block 5 and the second blocking block 6 through the bristles 22 when the first blocking block 5 and the second blocking block 6 are lowered, thereby preventing the first blocking block 5 and the second blocking block 6 from being unable to effectively move downward to block the water inlet pipe 2 and the water outlet pipe 3.

[0038] The lifting assembly comprises a mounting seat 15, a threaded rod 19 is mounted on the mounting seat 15 through a bearing, a connecting frame 17 is mounted on the threaded rod 19 through threads, a plurality of through holes 20 are arranged on the top of the valve body 1, the bottom sides of the two ends of the connecting frame 17 are respectively connected to the first blocking block 5 and the second blocking block 6 through connecting rods 16, and a handle 18 is arranged on the top end of the threaded rod 19.

[0039] By rotating the handle 18 forward, the threaded rod 19 can be driven to rotate forward, and the connecting frame 17 installed with the threaded rod 19 will move downward, since the bottoms of the two ends of the connecting frame 17 are connected with the first blocking block 5 and the second blocking block 6 through the connecting rods 16, when the connecting frame 17 moves downward, the first blocking block 5 and the second blocking block 6 are driven to move to the bottom of the valve body 1, and the water inlet pipe 2 and the water outlet pipe 3 are blocked;

[0040] By rotating the handle 18 reversely, the threaded rod 19 can be driven to rotate reversely, and the connecting frame 17 installed with the threaded rod 19 will move upward, since the bottoms of the two ends of the connecting frame 17 are connected with the first blocking block 5 and the second blocking block 6 through the connecting rods 16, when the connecting frame 17 moves upward, the first blocking block 5 and the second blocking block 6 are driven to move to the top of the valve body 1, and the normal passage of the condensed water through the drain valve is ensured.

[0041] Embodiment two

[0042] On the basis of embodiment one, the locking assembly comprises a connecting plate 10, the bottom cover 4 is connected with one side of the bottom of the valve body 1 through a hinge 9, the end of the bottom cover 4 away from the hinge 9 is provided with the connecting plate 10, the lower side of the side surface of the valve body 1 is provided with a fixed plate 12 corresponding to the connecting plate 10, the connecting plate 10 is provided with a rotating locking column 11, the top end of the locking column 11 is provided with a locking block 14, the fixed plate 12 is provided with a pin hole 13 matched with the locking block 14, and the bottom cover 4 is provided with a sealing layer.

[0043] When the first blocking block 5 and the second blocking block 6 block the water inlet pipe 2 and the water outlet pipe 3 respectively, the bristles 22 also clean the impurities on the first filter plate 7 to the bottom of the valve body 1, the side surface of the second blocking block 6 abutting against the second filter plate 8 simultaneously scrapes the impurities on the second filter plate 8 to the bottom of the valve body 1, at this time, the operator rotates the locking column 11 to ensure that the locking block 14 at the top end of the locking column 11 can pass through the pin hole 13, and the bottom cover 4 is separated from the inside of the valve body 1 under the cooperation of the hinge 9, so that the operator can completely clean the impurities in the bottom of the valve body 1; after the cleaning work is completed, the bottom cover 4 is connected with the bottom of the valve body 1, then the locking block 14 at the top end of the locking column 11 is inserted into the inside of the pin hole 13, the locking column 11 is rotated by 90°, and the bottom cover 4 is locked at the bottom of the valve body 1, since the sealing layer is arranged between the bottom cover 4 and the bottom of the valve body 1, the condensed water passing through the drain valve can be prevented from flowing out from the gap between the bottom cover 4 and the bottom of the valve body 1, and the sealing property of the valve body 1 is ensured.

[0044] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or additions or substitutions within the technical scope disclosed by the present application, which should be encompassed within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A drain valve that is easy to clean, comprising a valve body (1), wherein an inlet pipe (2) and an outlet pipe (3) are respectively provided at opposite ends of the valve body (1), characterized in that, The valve body (1) is equipped with a filter assembly inside, and the bottom of the valve body (1) is equipped with an openable bottom cover (4). The valve body (1) is equipped with a cleaning assembly for cleaning the filter assembly inside, and the top of the valve body (1) is equipped with a lifting assembly for driving the cleaning assembly. The bottom cover (4) is equipped with a locking assembly that can connect it to the bottom of the valve body (1).

2. The easy-to-clean steam trap according to claim 1, characterized in that, The filter assembly includes a first filter plate (7) and a second filter plate (8). The first filter plate (7) is located in the middle of the valve body (1), and the second filter plate (8) is located at the position where the valve body (1) is connected to the water outlet pipe (3).

3. A drain valve that is easy to clean according to claim 2, characterized in that, The cleaning assembly includes a first sealing block (5), a second sealing block (6), the first sealing block (5) and the second sealing block (6) are respectively located on both sides of the first filter plate (7), and the opposite ends of the first sealing block (5) and the second sealing block (6) are provided with bristles (22). The bristles (22) on both sides abut against the two sides of the first filter plate (7). The opposite ends of the first sealing block (5) and the second sealing block (6) abut against the two sides of the valve body (1) which have an inlet pipe (2) and an outlet pipe (3). The other two sides of the first sealing block (5) and the second sealing block (6) abut against the inner wall of the valve body (1).

4. A drain valve that is easy to clean according to claim 3, characterized in that, The first sealing block (5) and the second sealing block (6) are respectively provided with sealing gaskets (21) on the sides of the valve body (1) that abut against the water inlet pipe (2) and the water outlet pipe (3).

5. A drain valve that is easy to clean according to claim 3, characterized in that, The inlet pipe (2) and outlet pipe (3) are respectively located on the lower half of opposite sides of the valve body (1), and the thickness of the first sealing block (5) and the second sealing block (6) is adapted to the diameter of the inlet pipe (2) and the outlet pipe (3).

6. A drain valve that is easy to clean according to claim 3, characterized in that, The lifting assembly includes a mounting base (15), on which a threaded rod (19) is mounted via a bearing, and a connecting frame (17) is mounted via a thread on the threaded rod (19). The valve body (1) has multiple through holes (20) at its top. The bottom sides of both ends of the connecting frame (17) are connected to the first sealing block (5) and the second sealing block (6) respectively via connecting rods (16). The top of the threaded rod (19) has a handle (18).

7. A drain valve that is easy to clean according to claim 1, characterized in that, The locking assembly includes a connecting plate (10), the bottom cover (4) is connected to one side of the bottom of the valve body (1) via a hinge (9), the bottom cover (4) is provided with a connecting plate (10) at the end away from the hinge (9), the valve body (1) is provided with a fixing plate (12) corresponding to the connecting plate (10) at the lower side, the connecting plate (10) is provided with a rotating locking pin (11), the top of the locking pin (11) is provided with a locking block (14), the fixing plate (12) is provided with a pin hole (13) adapted to the locking block (14), and the bottom cover (4) is provided with a sealing layer.

Images