CN217842854U - A lead-separated copper valve for pre-filter - Google Patents

Abstract

The utility model relates to a lead-isolated copper valve for a pre-filter, relates to the technical field of a pre-filter, comprising a valve housing and a lead-isolated core, wherein the valve housing includes a valve body and a valve interface, and a lead-isolated core Including the main pipe and the reversing connection nozzle. The utility model sets the first fixing part and the second fixing part inside the two ends of the valve casing to respectively fix the first snap ring and the second snap ring at the two ends of the lead core, and at the same time inside the valve interface of the valve casing Set the nozzle ring groove, use the nozzle ring groove to engage and fix the direction-changing connection nozzle, improve the stability of the lead core separation, set the direction-changing partition inside the pipe separating the lead core, and use the direction-changing partition The direction-changing connection nozzle is divided into an inner nozzle and an outer nozzle, the relative distance between the water outlet and the water inlet is reduced, the structure of the internal water flow channel is simplified, and the water pressure is effectively improved under the premise of ensuring that the internal water flow redirection does not affect the water pressure. The flow rate inside the lead-isolated copper valve.

Description

A lead-separated copper valve for pre-filter

technical field

The utility model relates to the technical field of pre-filters, in particular to a lead-separated copper valve used for pre-filters.

Background technique

The lead-isolated copper valve of the pre-filter is usually a T-shaped structure. The left and right ends of the upper main pipe are the water inlet and the water outlet respectively, and the lower connection port is connected with the filter body and the internal cylindrical filter. Tap water with large particles will cause corrosion damage to the inside of the valve body of the pre-filter. Therefore, the current pre-filter mostly uses a copper body valve with lead-separating technology, and a plastic lead-separating core is set in the copper valve body to improve the front-end filter. life of the filter as a whole.

The existing pre-filter lead-separating copper valve usually adopts dual channels inside, through which one channel changes the direction of the tap water to be filtered inside, so that the tap water flows into the filter body connected to the lower connection port for filtration, and then Through another pass, the filtered tap water flows out to the water outlet, resulting in the need for a large amount of channel space inside, reducing the flow rate in the lead-isolated copper valve.

Utility model content

For this reason, the utility model provides a lead-separated copper valve for a pre-filter to overcome the problem of low internal circulation of the lead-separated copper valve of the pre-filter in the prior art.

In order to achieve the above purpose, the utility model provides a lead-separated copper valve for a pre-filter, comprising:

The valve casing includes a valve body and a valve interface. The valve body is a cylindrical body. One end of the valve body is provided with a first fixing part, and the other end is provided with a second fixing part. The first fixing part The outside is provided with a connecting thread, the inside of the first fixing part is provided with a snap ring groove, and one side of the snap ring groove is provided with a reducing slope; the inner side wall of the valve body is provided with an interface opening, and the The interface opening is connected to the valve interface, and the valve interface is provided with a nozzle ring groove inside, and one side of the nozzle ring groove is provided with a connecting thread for connecting the external pre-filter;

Lead-isolated core, which is set inside the valve housing, the lead-isolated core includes a main pipe and a direction-changing connection nozzle, the main pipe is a cylindrical pipe body, one end of the main pipe is the water inlet end, and the other end is the water outlet end, the water inlet end is provided with a first snap ring, the first snap ring can be engaged with the snap ring groove in the first fixing part, and the water outlet end is provided with a second snap ring , the inside of the main pipe is provided with a direction-changing partition to change the flow direction in the main pipe, and a water inlet is provided on the side wall of the main pipe, and the water inlet is arranged between the direction-changing partition and the water inlet end , the side wall of the main pipeline is also provided with a water outlet, and the water outlet is arranged between the direction-changing partition and the water outlet; the side wall of the main pipeline is provided with a direction-changing connection nozzle, and the direction-changing connection nozzle It includes an inner nozzle and an outer nozzle, the inner nozzle is connected to the water outlet, the outer nozzle is connected to the water inlet, the inner nozzle is arranged inside the outer nozzle, and the inner nozzle is provided with a connecting thread, Used to connect to an external filter device, the direction-changing connection nozzle can be engaged with the nozzle ring groove.

Further, the end of the first fixing part is provided with an inner ring mouth, and the inner diameter of the inner ring mouth is larger than the inner diameter of the snap ring groove; the outer end of the water inlet end is provided with an outer ring mouth, The outer diameter of the outer ring opening is smaller than the outer diameter of the first snap ring; the inner ring opening and the outer ring opening form a sealing ring groove.

Further, a reinforcement slope is provided on one side of the first snap ring, and the slope angle of the reinforcement slope is equal to that of the diameter-reducing slope.

Further, a butt ring mouth is provided inside the first snap ring, and the inner diameter of the butt ring mouth is larger than the inner diameter of the main pipe.

Further, the second fixing part and the first fixing part have the same structure, and the second snap ring and the first snap ring have the same structure.

Further, the direction-changing separator is a circular sheet structure, and the edge thickness of the direction-changing separator is higher than the center thickness.

Further, the cross section of the water inlet is fan-shaped, the cross section of the water outlet is circular, and the geometric center point of the cross section of the water inlet and the geometric center point of the cross section of the water outlet are in the same axial direction of the main pipe.

Further, a connection surface is provided inside the direction-changing connection nozzle, one end of the connection surface is connected to the outer side wall of the inner connection nozzle, and the other end of the connection surface is connected to the inner side wall of the outer connection nozzle.

Further, the valve interface includes a connection part, the connection part is a circular columnar structure, the top surface of the connection part is an inclined surface and connected to the outside of the valve tube body, the top surface of the connection part is on the first fixed One side of the portion is higher than the side of the second fixing portion.

Further, the connection between the top surface of the connecting part and the outside of the valve body is rounded, and the connection between the connecting part body and the top surface is also rounded.

Compared with the prior art, the utility model has the beneficial effect that, by setting the first fixing part and the second fixing part inside the two ends of the valve housing, the first snap ring and the second snap ring at the two ends of the lead core are separated respectively. At the same time, a nozzle ring groove is set inside the valve interface of the valve casing, and the nozzle ring groove is used to engage and fix the direction-changing connection nozzle, and the lead separator is fixed in the valve casing through the axial and radial directions. The stability of the lead core is improved, and at the same time, a direction-changing partition is installed inside the pipe separating the lead core to change the direction of the water flow, and the direction-changing connection nozzle is divided into an inner nozzle and an outer nozzle by using the direction-changing partition. Corresponding to the water outlet and the water inlet, the relative distance between the water outlet and the water inlet is reduced, the structure of the internal water flow channel is simplified, and the flow rate inside the lead-isolated copper valve is effectively improved under the premise of ensuring that the internal water flow redirection does not affect the water pressure. .

In particular, by setting the inner ring port at the end of the first fixed part and the outer ring port at the end of the water inlet end, the inner ring port and the outer ring port form a sealing ring groove, which can be used to connect the lead-isolated copper valve and the external When the pipeline is connected, a sealing rubber ring is installed inside the sealing ring groove, which not only improves the sealing performance between the lead-isolated copper valve and the external pipeline, but also prevents the water in the external pipeline from flowing into the gap between the lead-isolated core and the valve casing, causing The valve casing is oxidized and rusted, which reduces the service life of the lead-isolated copper valve.

In particular, by setting a reinforcing slope on one side of the first snap ring, the wall thickness of the lead-separated core at the first snap ring is increased. When the lead-separated copper valve is connected to the external pipeline for water flow, the fixed lead-separated copper Stress will be generated between the valve and the pipeline that vibrates under the action of water pressure inside. The first snap ring with a large wall thickness is installed to avoid the first snap ring from breaking due to the stress. The diameter-reducing inclined surface with a relatively opposite inclination angle of the reinforcing inclined surface ensures that the thickened part of the first snap ring does not affect the overall internal flow of the main pipe.

Further, a docking ring with an inner diameter larger than that of the main pipe is provided inside the first snap ring, so that when connecting with the built-in externally fixed pipe, the external pipe is inserted into the docking ring, and the connecting thread through the first fixing part Fixed, improving the applicability of lead-isolated copper valves.

In particular, by setting a circular direction-changing partition whose edge thickness is higher than that of the center, the impact of fluid is reduced and the flow rate in the lead partition is improved.

Further, the section of the water outlet is set to be circular, and the section of the water inlet is set to be fan-shaped, so that the distance between the water inlet and the water outlet is greatly reduced, and at the same time, a fan-shaped water inlet with a larger radius will be used. The flow rate of the fluid in the lead core is guaranteed, the inner connection nozzle is directly connected with the direction-changing partition, and the outer wall of the inner connection nozzle and the direction-changing partition are used to form the pipe wall of the water inlet, which further improves the water inlet efficiency. Guaranteed the circulation in the lead core.

Further, by setting the connection surface connecting the inner nozzle and the outer nozzle in the direction-changing connection nozzle, the stability of the inner nozzle is improved on the basis of ensuring that the area between the inner nozzle and the outer nozzle is closed , It also makes the external filter device connected to the inner nozzle more stable.

In particular, by setting a circular columnar connecting part with one side higher than the top surface of the other side, the volume space of the reversing connection nozzle is increased, and the contact area between the main pipe and the reversing connection nozzle is also increased, so that the main pipe can There is enough radial space at the water inlet to increase the flow rate of the water inlet. At the same time, many places on the connection part are provided with rounded corner structures, which are easy to grasp and easy to install the lead-isolated copper valve.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the lead copper valve that is used for pre-filter described in the utility model;

Fig. 2 is the side view of the lead-separating copper valve for pre-filter described in the utility model;

Fig. 3 is a perspective view of the lead-separated copper valve used in the pre-filter of the present invention.

Detailed ways

In order to make the purpose and advantages of the utility model clearer, the utility model will be further described below in conjunction with the embodiments; it should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principle of the utility model, and are not intended to limit the protection scope of the utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "inner", "outer" and other indicated directions or positional relationships are based on the accompanying drawings The directions or positional relationships shown are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In addition, it should be noted that, in the description of the present utility model, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, or It can be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

Please refer to Fig. 1, which is a schematic cross-sectional structure diagram of a lead-separated copper valve for a pre-filter described in the present invention; the present embodiment discloses a lead-separated copper valve for a pre-filter, comprising, Valve casing 1, lead separator 2, valve body 3, first fixing part 301, second fixing part 302, snap ring groove 303, variable diameter slope 304, interface opening 305, inner ring port 307, valve interface 4, Nozzle ring groove 402, main pipe 5, water inlet 501, water outlet 502, first snap ring 503, second snap ring 504, direction changing partition 505, water inlet 506, water outlet 507, outer ring port 508, sealing ring groove 509, reinforcement slope 510, docking ring mouth 511, change direction connection nozzle 6, inner connection nozzle 601, outer connection nozzle 602, connection surface 603, wherein,

The valve casing 1 includes a valve body 3 and a valve interface 4, the valve body 3 is a cylindrical body, one end of the valve body 3 is provided with a first fixing part 301, and the other end is provided with a second fixing part 302, The outside of the first fixing part 301 is provided with a connecting thread, and the inside of the first fixing part 301 is provided with a snap ring groove 303, and one side of the snap ring groove 303 is provided with a reducing slope 304; the valve tube An interface opening 305 is provided on the inner side wall of the body 3, and the interface opening 305 is connected to the valve interface 4. The valve interface 4 is provided with a nozzle ring groove 402, and one side of the nozzle ring groove 402 is provided with a connecting thread , used to connect the external pre-filter;

The lead core 2 is arranged inside the valve housing 1, the lead core 2 includes a main pipe 5 and a direction-changing connection nozzle 6, the main pipe 5 is a cylindrical pipe body, and one end of the main pipe 5 is an inlet The water end 501, the other end is the water outlet 502, the water inlet 501 is provided with a first snap ring 503, the first snap ring 503 can be connected with the snap ring groove 303 in the first fixing part 301 The outlet end 502 is provided with a second snap ring 504, and the inside of the main pipe 5 is provided with a direction-changing partition 505 to change the flow direction in the main pipe 5, and the side wall of the main pipe 5 is provided with a water inlet 506, the water inlet 506 is arranged between the direction-changing partition 505 and the water inlet 501, and the side wall of the main pipe 5 is also provided with a water outlet 507, and the water outlet 507 is arranged on the direction-changing partition 505 and the water outlet 502; the side wall of the main pipe 5 is provided with a direction-changing connection nozzle 6, and the direction-changing connection nozzle 6 includes an inner connection nozzle 601 and an outer connection nozzle 602, and the inner connection nozzle 601 It is connected with the water outlet 507, the external pipe port 602 is connected with the water inlet 506, the internal pipe port 601 is set inside the external pipe port 602, and the internal pipe port 601 is provided with a connecting thread for connecting an external filter device , the direction-changing connection nozzle 6 can engage with the nozzle ring groove 402 .

By setting the first fixing part 301 and the second fixing part 302 inside the two ends of the valve casing 1, the first snap ring 503 and the second snap ring 504 at the two ends of the lead core 2 are respectively fixed, and at the same time, the valve casing 1 A nozzle ring groove 402 is provided inside the valve interface 4, and the direction-changing connection nozzle 6 is engaged and fixed by using the nozzle ring groove 402, and the lead separator 2 is fixed inside the valve housing 1 through the axial and radial directions, thereby improving the In order to ensure the stability of the lead core 2, a direction-changing partition 505 is set inside the pipeline of the lead core 2 to change the direction of water flow, and the direction-changing connection nozzle 6 is divided into an inner connection nozzle 601 and an outer nozzle 601 by using the direction-changing partition 505. The connection port 602 corresponds to the water outlet 507 and the water inlet 506 respectively, the relative distance between the water outlet 507 and the water inlet 506 is reduced, the structure of the internal water flow channel is simplified, and the water pressure is effectively improved under the premise of ensuring that the internal water flow redirects without affecting the water pressure. The flow rate inside the lead-copper valve is ensured.

Specifically, the end of the first fixing part 301 is provided with an inner ring mouth 307, and the inner diameter of the inner ring mouth 307 is larger than the inner diameter of the snap ring groove 303; An outer ring opening 508 is provided on the outside, and the outer diameter of the outer ring opening 508 is smaller than the outer diameter of the first snap ring 503 ; the inner ring opening 307 and the outer ring opening 508 form a sealing ring groove 509 .

By setting the inner ring mouth 307 at the end of the first fixing part 301, and setting the outer ring mouth 508 outside the end of the water inlet 501, the inner ring mouth 307 and the outer ring mouth 508 form a sealing ring groove 509, which can be separated When the lead-copper valve is connected to the external pipeline, a sealing rubber ring is provided inside the sealing ring groove 509, which not only improves the sealing performance between the lead-isolated copper valve and the external pipeline, but also prevents the water in the external pipeline from flowing into the lead-isolated core 2 In the gap with the valve housing 1, the valve housing 1 is oxidized and rusted, reducing the service life of the lead-isolated copper valve.

Specifically, a reinforcement slope 510 is provided on one side of the first snap ring 503 , and the slope angle of the reinforcement slope 510 is equal to that of the diameter reducing slope 304 .

By setting the reinforced slope 510 on the side of the first snap ring 503, the wall thickness of the lead-separating core 2 at the first snap ring 503 is improved, and when the lead-separated copper valve is connected to the external pipeline for water flow, the fixed partition Stress will be generated between the lead-copper valve and the pipeline that vibrates under the action of water pressure inside, and the first snap ring 503 with a relatively large wall thickness is provided to prevent the first snap ring 503 from being broken due to the stress. The diameter reducing slope 304 is provided in the shell 1 at an angle opposite to the reinforcement slope 510 to ensure that the thickened part of the first snap ring 503 does not affect the overall internal flow of the main pipe 5 .

Specifically, the first snap ring 503 is provided with a butt ring mouth 511 inside, and the inner diameter of the butt ring mouth 511 is larger than the inner diameter of the main pipe 5 .

The inner diameter of the first snap ring 503 is provided with a docking ring mouth 511 with an inner diameter larger than that of the main pipe 5, so that when connecting with a built-in and externally fixed pipe, the external pipe is inserted into the docking ring mouth 511, and passes through the first fixing part 301 The connecting thread is fixed, which improves the applicability of the lead-isolated copper valve.

Specifically, the second fixing part 302 and the first fixing part 301 have the same structure, and the second snap ring 504 and the first snap ring 503 have the same structure.

Specifically, the direction-changing partition 505 is a circular sheet structure, and the thickness of the edge of the direction-changing partition 505 is higher than that of the center.

By arranging a circular direction-changing partition 505 whose edge thickness is higher than that of the center, the impact of fluid is reduced and the flow rate in the lead separator 2 is increased.

Specifically, the section of the water inlet 506 is fan-shaped, the section of the water outlet 507 is circular, and the geometric center point of the section of the water inlet 506 and the geometric center point of the section of the water outlet 507 are at the in the same axial direction.

The section of the water outlet 507 is set to be circular, and the section of the water inlet 506 is set to be fan-shaped, so that the distance between the water inlet 506 and the water outlet 507 is greatly reduced, and a fan-shaped water inlet with a larger radius will be used 506, to ensure the fluid flow rate in the lead core 2, the inner nozzle 601 is directly connected to the direction-changing partition 505, and the outer wall of the inner nozzle 601 and the direction-changing partition 505 are used to form the pipe wall of the water inlet 506 , which further improves the water inlet efficiency and ensures the circulation in the lead core 2 .

Specifically, a connection surface 603 is provided inside the direction-changing connection nozzle 6, one end of the connection surface 603 is connected to the outer side wall of the inner connection nozzle 601, and the other end of the connection surface 603 is connected to the outer connection nozzle 602. connected to the inner side walls.

By setting the connecting surface 603 that connects the inner nozzle 601 and the outer nozzle 602 in the direction-changing connection nozzle 6, on the basis of ensuring that the area between the inner nozzle 601 and the outer nozzle 602 is closed, the inner nozzle is improved. The stability of the port 601 also makes the external filtering device connected to the internal nozzle 601 more stable.

Please continue to refer to Figure 2 and Figure 3, wherein Figure 2 is a side view of the lead-separated copper valve for the pre-filter described in the utility model, and Figure 3 is the utility model for the pre-filter The three-dimensional view of the lead-isolated copper valve;

Specifically, the valve interface 4 includes a connecting portion 401, which is a circular columnar structure, and the top surface of the connecting portion 401 is a slope and connected to the outside of the valve body 3. The top of the connecting portion 401 The surface is higher on the side of the first fixing part 301 than on the side of the second fixing part 302 .

Specifically, the connection between the top surface of the connecting portion 401 and the exterior of the valve body 3 is rounded, and the connection between the body of the connecting portion 401 and the top surface is also rounded.

By arranging a circular columnar connecting portion 401 with one side higher than the top surface of the other side, the volume space of the reversing connection nozzle 6 is increased, and the contact area between the main pipe 5 and the reversing connection nozzle 6 is also increased, so that the main The pipe 5 has enough radial space at the water inlet 506 to increase the flow rate of the water inlet 506. At the same time, many places of the connection part 401 are provided with rounded corner structures, which is convenient for grasping and easy for the installation of the lead-isolated copper valve.

So far, the technical solution of the utility model has been described in conjunction with the preferred implementations shown in the accompanying drawings, however, those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific implementations. On the premise of not departing from the principle of the utility model, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the utility model.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model; for those skilled in the art, the utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A lead-separating copper valve for a pre-filter is characterized by comprising,

the valve comprises a valve body and a valve port, wherein the valve body is a cylindrical body, one end of the valve body is provided with a first fixing part, the other end of the valve body is provided with a second fixing part, the outside of the first fixing part is provided with connecting threads, the inside of the first fixing part is provided with a clamping ring groove, and one side of the clamping ring groove is provided with a variable-diameter inclined surface; the side wall of the interior of the valve pipe body is provided with a port opening, the port opening is connected with the valve port, a pipe orifice ring groove is arranged in the interior of the valve port, and one side of the pipe orifice ring groove is provided with a connecting thread for connecting an external pre-filter;

the lead isolating core is arranged inside the valve shell and comprises a main pipeline and a turning connecting pipe orifice, the main pipeline is a cylindrical pipe body, one end of the main pipeline is a water inlet end, the other end of the main pipeline is a water outlet end, the water inlet end is provided with a first clamping ring, the first clamping ring can be clamped with a clamping ring groove in the first fixing part, the water outlet end is provided with a second clamping ring, a turning partition plate is arranged inside the main pipeline and used for changing the flowing direction in the main pipeline, a water inlet is formed in the side wall of the main pipeline, the water inlet is arranged between the turning partition plate and the water inlet end, a water outlet is further formed in the side wall of the main pipeline, and the water outlet is arranged between the turning partition plate and the water outlet end; be provided with the diversion mouth of pipe on the trunk line lateral wall, the diversion mouth of pipe includes the internal connection mouth of pipe and external mouth of pipe, the internal connection mouth of pipe with the delivery port links to each other, external mouth of pipe with the water inlet links to each other, and the internal connection mouth of pipe sets up inside external mouth of pipe, is provided with connecting thread in the internal connection mouth of pipe for connect outside filter equipment, the diversion mouth of pipe can with mouth of pipe annular block.

2. The lead-separating copper valve for the pre-filter as recited in claim 1, wherein the end of the first fixing portion is provided with an inner ring opening, and the inner diameter of the inner ring opening is larger than that of the snap ring groove; an outer ring opening is formed in the outer side of the end part of the water inlet end, and the outer diameter of the outer ring opening is smaller than that of the first clamping ring; the inner ring opening and the outer ring opening form a sealing ring groove.

3. The lead-separating copper valve for the pre-filter as recited in claim 2, wherein a reinforcing inclined surface is arranged on one side of the first clamping ring, and the angle of the reinforcing inclined surface is equal to that of the reducing inclined surface.

4. The lead-separating copper valve for the pre-filter as recited in claim 3, wherein a docking collar opening is arranged inside the first snap ring, and the internal diameter of the docking collar opening is larger than that of the main pipeline.

5. The lead-insulated copper valve for pre-filter as set forth in claim 4, wherein said second fixing portion is provided in the same structure as said first fixing portion, and said second snap ring is provided in the same structure as said first snap ring.

6. The lead-separating copper valve for the pre-filter as recited in claim 1, wherein the direction-changing partition plate is of a circular sheet structure, and the edge thickness of the direction-changing partition plate is higher than the center thickness.

7. The lead-separating copper valve for the pre-filter as recited in claim 1, wherein the cross section of the water inlet is in a sector ring shape, the cross section of the water outlet is in a circular shape, and the geometric center point of the cross section of the water inlet and the geometric center point of the cross section of the water outlet are in the same axial direction of the main pipeline.

8. The lead-separating copper valve for the pre-filter as recited in claim 1, wherein a connecting surface is arranged in the direction-changing connecting pipe orifice, one end of the connecting surface is connected with the outer side wall of the internal connecting pipe orifice, and the other end of the connecting surface is connected with the inner side wall of the external connecting pipe orifice.

9. The lead-insulated copper valve for a pre-filter according to claim 1, wherein the valve interface comprises a connecting portion therein, the connecting portion has a circular cylindrical structure, a top surface of the connecting portion is an inclined surface and is connected to the outside of the valve body, and the top surface of the connecting portion is higher at one side of the first fixing portion than at one side of the second fixing portion.

10. The lead-insulated copper valve for a pre-filter of claim 9, wherein the junction of the top surface of the connector and the exterior of the valve body is rounded, and the junction of the connector body and the top surface is rounded.

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