CN221656024U - A pipe filter - Google Patents

Abstract

The utility model relates to the technical field of filters, in particular to a pipeline filter, which comprises a valve body, a filter screen arranged in the valve body, a sealing cover detachably connected on the valve body, and a gasket arranged between the sealing cover and the valve body, wherein the valve body is provided with a liquid inlet end and a liquid outlet end; the product improves the existing Y-shaped filter, changes the position of the filter screen and the structure of the end part, so that the length of the filter screen is increased under the condition that the length of the valve body is unchanged, and the filtering effect is improved; the novel valve body structure has the advantages that the novel design is carried out on the shape of the valve body, so that the production casting difficulty is reduced by optimizing the shape of the valve body, the width of the valve body is reduced, and the space occupation during use is reduced.

Description

A pipe filter

Technical Field

The utility model relates to the technical field of filters, in particular to a pipeline filter.

Background Art

Y-type filter is an indispensable filtering device for the pipeline system of conveying medium. Y-type filter is usually installed at the inlet end of pressure reducing valve, pressure relief valve, water level valve, heating riser or other equipment to remove impurities in the medium to protect the normal use of valves and equipment. Y-type filter generally includes Y-shaped valve body, cylindrical filter screen, gasket and sealing cover for sealing. It has the characteristics of small resistance and convenient sewage discharge.

However, since the valve body needs to adopt a Y-shaped structure design, in order to ensure the filtering performance, the Y-type filter can only be installed horizontally at the medium inlet and outlet. If it is installed vertically, impurities in the water may not be properly accumulated in the sewage collection tank, making it difficult to discharge the impurities, thus affecting its filtering effect.

The above information disclosed in this Background section is only for enhancement of understanding of the background of the present disclosure and therefore it may contain information that does not constitute the prior art that is already known to one of ordinary skill in the art.

Utility Model Content

The purpose of the utility model is to improve the design of the existing Y-shaped filter so that it can be installed at the inlet and outlet of the medium in any direction, and can gather impurities and quickly discharge sewage without removing the cover, so as to solve the above-mentioned deficiencies in the technology.

In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipeline filter, comprising a valve body, a filter screen installed in the valve body, a cover detachably connected to the valve body, and a gasket installed between the cover and the valve body, the valve body having a liquid inlet end and a liquid outlet end, the valve body being arranged in a straight columnar shape, the filter screen being arranged parallel to the flow direction of the liquid in the valve body, the filter screen being located at one end of the valve body and being tightly attached to a retaining ring fixedly connected to the inner wall of the valve body, the retaining ring being located between the liquid inlet end and the liquid outlet end, the end of the filter screen being fixedly connected to the side surface of the cover, the interior of the filter screen and the interior of the end of the valve body away from the cover forming a dirt holding chamber, and a valve being fixedly installed at the end of the valve body away from the cover.

Preferably, a drain pipe is fixedly mounted on one end of the valve body away from the sealing cover, and the valve is mounted on the drain pipe.

Preferably, the filter screen is configured as a hollow cylinder, and the inner circumference of the filter screen is consistent in size with the inner circumference of the retaining ring.

Preferably, the sealing cover is configured to be disc-shaped, and one end of the valve body adjacent to the sealing cover has a connecting disk matching the shape of the sealing cover, and a clamping device for clamping the sealing cover and the connecting disk together is provided outside the sealing cover and the connecting disk.

Preferably, the clamping device includes a left ring and a right ring rotatably connected to each other, positioning grooves opened at the ends of the left ring and the right ring, a screw rotatably connected in the positioning groove at the end of the left ring, a clamping ring spirally driven at the end of the screw, and a clamping groove opened on the inner circumference of the left ring and the right ring, and the shapes of the fitting cover and the connecting plate match the shape and size of the clamping groove.

Preferably, the diameter of the screw is smaller than the width of the positioning groove, and the diameter of the clamping ring is larger than the width of the clamping groove.

Preferably, the side of the sealing cover away from the valve body is chamfered.

Preferably, a positioning ring groove is formed on one side of the sealing cover and the connecting plate opposite to each other, the cross section of the gasket is set to be a cross shape, and the gasket is inserted into the positioning ring groove.

Preferably, a tapered transition pipe body is provided between the sewage pipe and the valve body, and an end of the transition pipe body with a smaller diameter is fixedly connected to the sewage pipe;

The water flow entering from the liquid inlet end can flush the fine impurities in the valve body through the transition pipe body, and then enter the sewage pipe. There will be no sudden change in size between the end of the valve body and the end of the sewage pipe, which will cause some impurities to be stuck on the inner circumference of the valve body near the sewage pipe and not be flushed away. Instead, there is a gradual transition so that fine impurities will not be stuck on the inner circumference of the valve body near the sewage pipe.

In the above technical solution, the technical effects and advantages provided by the utility model are:

1. This product improves the existing Y-shaped filter by changing the position of the filter screen and the structure of the end, so that the width of the valve body is reduced while the length of the filter screen is increased while the length of the valve body remains unchanged, thereby improving the filtering effect;

2. This product has been redesigned through the valve body, filter screen and other parts. After this product is installed at the inlet and outlet of the medium, the fine dirt filtered by the filter screen will gather in the dirt holding chamber formed by the valve body, transition pipe body, sewage pipe and filter screen. The impurities can be quickly discharged by opening the valve;

3. Compared with the existing products that use screws and nuts to disassemble and assemble the cover, this product can quickly disassemble and assemble the cover on the valve body using a clamping device, and can quickly clean the filter or remove larger dirt and blockages.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

Figure 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a cross-sectional view of the utility model;

FIG3 is a split cross-sectional view of the utility model;

FIG. 4 is a cross-sectional view of the clamping device of the present invention.

Description of reference numerals:

1. Valve body; 2. Filter screen; 3. Sealing cover; 4. Gasket; 5. Liquid inlet end; 6. Liquid outlet end; 7. Retaining ring; 8. Drain pipe; 9. Valve; 10. Connecting plate; 11. Clamping device; 1101. Left ring; 1102. Right ring; 1103. Positioning groove; 1104. Screw; 1105. Clamping ring; 1106. Clamping groove; 12. Chamfer; 13. Positioning ring groove; 14. Transition pipe body.

DETAILED DESCRIPTION

In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application are clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

Example:

As shown in Fig. 1-4, it comprises a straight cylindrical valve body 1, a hollow cylindrical filter screen 2 installed in the valve body 1, a disc-shaped cover 3 detachably connected to the valve body 1, one end of the valve body 1 close to the cover 3 protrudes outward to form a connecting plate 10, a gasket 4 with a cross-shaped cross section is clamped between the cover 3 and the valve body 1, and a positioning ring groove 13 cooperating with the gasket 4 is formed on the opposite side of the connecting plate 10 and the cover 3. The end of the filter screen 2 is welded to the side of the cover 3, and the valve body 1 is provided with a liquid inlet end 5 and a liquid outlet end 6. The filter screen 2 is arranged parallel to the flow direction of the liquid in the valve body 1, and one end of the filter screen 2 located in the valve body 1 is tightly attached to a retaining ring 7 fixedly connected to the inner wall of the valve body 1. The ring 7 is located between the liquid inlet end 5 and the liquid outlet end 6, a transition pipe body 14 is fixedly installed at the end of the valve body 1 away from the cover 3, a drain pipe 8 is fixedly installed at the end of the transition pipe body 14, a valve 9 is fixedly installed on the drain pipe 8, a left ring 1101 and a right ring 1102 that are rotatably connected to each other are arranged outside the connecting plate 10 and the cover 3, a positioning groove 1103 is opened at the end of the left ring 1101 and the right ring 1102, a screw 1104 that is rotatably connected in the positioning groove 1103 at the end of the left ring 1101, a clamping ring 1105 that is spirally driven at the end of the screw 1104, and a clamping groove 1106 is opened on the inner circumference of the left ring 1101 and the right ring 1102.

The user connects the water inlet pipe to the water inlet end and the water outlet end to the water outlet pipe, so that the valve body 1 is vertically installed on the heating riser or the medium inlet and outlet pipes, and the valve 9 faces downward. After the water with impurities enters from the water inlet end, it will enter the inside of the valve body 1, and then pass through the retaining ring 7 and the filter screen 2, and then enter the water outlet pipe from the water outlet end for discharge. The impurity particles will be filtered and blocked by the filter screen 2. Since the filter screen 2 is arranged parallel to the flow direction of the liquid in the valve body 1, and the valve body 1 is placed vertically, the impurities gradually pass through the filter screen 2 from the end close to the valve body 1 to the end of the cover 3, and the filter holes at various places on the filter screen 2 are fully utilized, and the impurities are retained in the valve body 1, the transition pipe body 14, the sewage pipe 8 and the filter screen 2 and gathered;

When there are too many fine impurities in the valve body 1 and they need to be cleaned, the valve 9 is directly opened, and the impurities remaining in the valve body 1, the transition pipe body 14, the drain pipe 8 and the filter screen 2 will be discharged along with the liquid entering the water inlet pipe. After the impurities are discharged, the valve 9 can be closed, which is convenient for quickly cleaning the impurities in the dirt holding chamber.

If the filtered flow rate is still small at this time and there is a large dirt blockage blocking the filter 2, the existing main valves installed at the water inlet and outlet ends can be closed first, and then the clamping ring 1105 can be rotated, and the clamping ring 1105 can be rotated on the screw 1104 away from the right ring 1102 and no longer fit the surface of the right ring 1102. At this time, the screw 1104 can be rotated on the left ring 1101 to move the screw 1104 out of the positioning groove 1103 on the right ring 1102, and then the left ring 1101 and the right ring 1102 can be removed from the cover 3, and then the cover 3 can be moved to pull the filter 2 out of the valve body 1, and the filter 2 can be cleaned. After cleaning, the filter 2 can be reinserted into the valve body 1. 1102, and then the cover 3 is pressed against the gasket 4 and the gasket 4 is pressed against the valve body 1. Then the left ring 1101 and the right ring 1102 are put on the cover 3. Then the ends of the left ring 1101 and the right ring 1102 with the positioning groove 1103 are brought close to each other. The screw 1104 is rotated to allow the screw 1104 to enter the positioning groove 1103 on the right ring 1102. Finally, the clamping ring 1105 is rotated. The clamping ring 1105 will gradually squeeze the end of the right ring 1102 and the end of the left ring 1101 close to each other, and along the chamfered 12 inclined surface on the side of the cover 3, the cover 3 is gradually pressed against the gasket 4 onto the valve body 1, thereby forming a seal.

The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein;

Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The utility model provides a pipeline filter, includes filter screen (2) of installation in valve body (1), can dismantle closing cap (3) of connection on valve body (1) to and gasket (4) of installation between closing cap (3) and valve body (1), have feed liquor end (5) and play liquid end (6), its characterized in that on valve body (1): the valve body (1) is arranged to be in a straight column shape, the filter screen (2) is arranged in parallel along the flow direction of liquid in the valve body (1), one end of the filter screen (2) is tightly attached with a baffle ring (7) fixedly connected with the inner wall of the valve body (1), the baffle ring (7) is arranged between the liquid inlet end (5) and the liquid outlet end (6), the end part of the filter screen (2) is fixedly connected with the side surface of the sealing cover (3), a dirt accommodating cavity is formed in the filter screen (2) and the inside of the valve body (1) away from one end of the sealing cover (3), and the end part of the valve body (1) away from the sealing cover (3) is fixedly provided with a valve (9).

2. A pipe filter according to claim 1, wherein: one end of the valve body (1) far away from the sealing cover (3) is fixedly provided with a drain pipe (8), and the valve (9) is arranged on the drain pipe (8).

3. A pipe filter according to claim 1, wherein: the filter screen (2) is arranged in a hollow cylinder shape, and the inner peripheral surface of the filter screen (2) is consistent with the inner peripheral surface of the baffle ring (7) in size.

4. A pipe filter according to claim 1, wherein: the sealing cover (3) is arranged in a disc shape, one end of the valve body (1) adjacent to the sealing cover (3) is provided with a connecting disc (10) matched with the sealing cover (3) in shape, and a clamping device (11) for clamping the sealing cover (3) and the connecting disc (10) together is arranged outside the sealing cover.

5. A pipe filter as defined in claim 4, wherein: the clamping device (11) comprises a left ring (1101) and a right ring (1102) which are connected in a rotating mode, a positioning groove (1103) formed in the end portions of the left ring (1101) and the right ring (1102), a screw (1104) rotationally connected with the positioning groove (1103) in the end portion of the left ring (1101), a clamping ring (1105) spirally driven by the end portion of the screw (1104), and a clamping groove (1106) formed in the inner peripheral surfaces of the left ring (1101) and the right ring (1102), wherein the shape of the attached sealing cover (3) and the shape of the connecting disc (10) are matched with the shape and the size of the clamping groove (1106).

6. A pipe filter as defined in claim 5, wherein: the diameter of the screw (1104) is smaller than the width of the positioning groove (1103), and the diameter of the clamping ring (1105) is larger than the width of the clamping groove (1106).

7. A pipe filter according to claim 1, wherein: the side surface of the sealing cover (3) far away from the valve body (1) is provided with a chamfer angle (12).

8. A pipe filter as defined in claim 4, wherein: the sealing cover (3) and one side opposite to the connecting disc (10) are provided with positioning ring grooves (13), the cross section of the gasket (4) is in a cross shape, and the gasket (4) is inserted into the positioning ring grooves (13).

9. A pipe filter according to claim 2, wherein: a conical transition pipe body (14) is arranged between the sewage drain pipe (8) and the valve body (1), and one end of the transition pipe body (14) with a small diameter is fixedly connected with the sewage drain pipe (8).