Control valve body with filtering function

Abstract

The utility model relates to a control valve body with a filtering function. Comprising a valve body, a liquid inlet fixedly formed in the valve body, a liquid outlet fixedly formed in the valve body, a first pipeline fixedly arranged on the valve body and connected with the liquid inlet and the liquid outlet, a second pipeline fixedly arranged on the valve body and connected with the liquid inlet and the liquid outlet, and a control mechanism fixedly arranged on the valve body, the first pipeline and the second pipeline. The filter mechanism is fixedly arranged on the valve body, the first pipeline and the second pipeline, the first control assembly is fixedly arranged on the first pipeline and the valve body, the second control assembly is fixedly arranged on the first pipeline and the valve body, the third control assembly is fixedly arranged on the first pipeline and the valve body, and the fourth control assembly is fixedly arranged on the first pipeline and the valve body. By switching the first pipeline and the second pipeline, the valve body can work continuously, cleaning after stopping liquid conveying of the whole pipeline is not needed, and the production efficiency of a production line is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to control valve technical field, specifically to a control valve body with filtering function. BACKGROUND

[0002] The control valve is composed of two main components: valve body assembly and actuator assembly (or actuator system), and is divided into four series: single seat series control valve, double seat series control valve, sleeve series control valve and self-contained series control valve.

[0003] Chinese patent CN220622886U discloses a control valve with filtering function, which comprises a valve body, two machine shells are fixed on the left and right sides of the valve body, filter screens are arranged on the left and right sides of the inner cavity of the valve body, sealing assemblies are arranged at the top of the inner cavities of the two machine shells, connecting pipes are fixedly inserted on the sides of the two machine shells away from each other, fixed boxes are arranged at the bottom of the two machine shells, a plurality of multi-section telescopic rods are arranged in the inner cavities of the fixed boxes, push plates are arranged at the top of the multi-section telescopic rods, and lifting assemblies are arranged in the inner cavities of the fixed boxes.

[0004] The above-mentioned patent filters the impurities in the liquid by setting the filter screen, and can clean the filter screen at the same time, but before cleaning the impurities on the filter screen, the liquid delivery of the whole pipeline needs to be stopped, and in actual production, stopping the liquid delivery means stopping the whole production line, and restarting the whole production line after the filter screen is cleaned also needs a long time, which greatly reduces the production efficiency, so a control valve with filtering function is needed without stopping the liquid delivery pipeline. SUMMARY

[0005] The summary part of the present application is used to introduce the concept in a simple form, which will be described in detail in the specific embodiment part. The summary part of the present application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.

[0006] To solve the technical problems mentioned in the above background section, some embodiments of the present application provide a control valve body with filtering function, comprising a valve body, a liquid inlet fixedly arranged on the valve body, a liquid outlet fixedly arranged on the valve body, a first pipeline fixedly arranged on the valve body and connected with the liquid inlet and the liquid outlet, a second pipeline fixedly arranged on the valve body and connected with the liquid inlet and the liquid outlet, a control mechanism fixedly arranged on the valve body and the first pipeline and the second pipeline, a filtering mechanism fixedly arranged on the valve body and the first pipeline and the second pipeline, a first control assembly fixedly arranged on the first pipeline and the valve body, a second control assembly fixedly arranged on the first pipeline and the valve body, a third control assembly fixedly arranged on the first pipeline and the valve body, and a fourth control assembly fixedly arranged on the first pipeline and the valve body; the fourth control assembly has the same structure as the second control assembly; the filtering mechanism comprises a first filtering assembly fixedly arranged on the first pipeline and the valve body, and a second filtering assembly fixedly arranged on the second pipeline and the valve body.

[0007] Specifically, the first control assembly comprises a first guide ring fixedly arranged on the first pipeline, a first hollow support fixedly arranged on the first pipeline, a first spring having one end fixedly arranged on the first hollow support, a first sealing plate fixedly arranged on the other end of the first spring, and a first sealing ring fixedly arranged on the first sealing plate and the first guide ring.

[0008] Specifically, the second control assembly comprises a second guide ring fixedly arranged on the first pipeline, a second hollow support fixedly arranged on the first pipeline, a second spring having one end fixedly arranged on the second hollow support, a second sealing plate fixedly arranged on the other end of the second spring, and a second sealing ring fixedly arranged on the second sealing plate and the second guide ring.

[0009] Specifically, the third control assembly comprises a third guide ring fixedly arranged on the second pipeline, a third hollow support fixedly arranged on the second pipeline, a third spring having one end fixedly arranged on the third hollow support, a third sealing plate fixedly arranged on the other end of the third spring, a third sealing ring fixedly arranged on the third sealing plate and the third guide ring, and a reset assembly fixedly arranged on the third sealing plate.

[0010] Specifically, the reset assembly comprises a first sliding groove fixedly arranged on the third sealing plate, a locking groove fixedly arranged on the third guide ring, a locking block slidingly arranged on the locking groove and the first sliding groove, a fifth spring having one end fixedly arranged on the locking block and the other end fixedly arranged on the third sealing plate, a reset rod fixedly arranged on the third sealing plate and penetrating through the valve body, and a fifth sealing ring fixedly arranged on the reset rod and the valve body.

[0011] Specific, the first filter assembly includes slidingly disposed on the valve body and the first pipeline first filter ring, one end fixedly disposed on the first filter ring and the other end fixedly disposed on the valve body sixth spring, rotatingly disposed on the valve body and the first pipeline first sealing plunger, rotatingly disposed on the valve body and the first pipeline second sealing plunger, fixedly disposed on the valve body third pipeline, slidingly disposed on the third pipeline unlocking rod, one end fixedly disposed on the unlocking rod and the other end fixedly disposed on the valve body seventh spring, fixedly disposed on the valve body and communicated with the third pipeline fourth pipeline.

[0012] Specific, the second filter assembly includes fixedly disposed on the valve body and the second pipeline second filter ring, rotatingly disposed on the valve body and the second pipeline third sealing plunger, rotatingly disposed on the valve body and the second pipeline fourth sealing plunger.

[0013] The utility model discloses the beneficial effect is:

[0014] (1) under normal conditions, liquid flows into from the liquid inlet, and the first sealing plate is pushed away by overcoming the elastic force of the first spring, and flows through the first hollow support, passes through the first filter assembly, and then the second sealing plate is pushed away by overcoming the elastic force of the second spring, and flows through the second hollow support, and flows out from the liquid outlet, when the first filter ring is blocked, the liquid increases the thrust of the first filter ring, and the first filter ring moves, and the sixth spring is compressed, after the first filter ring moves, part of the liquid will enter the third pipeline, and the unlocking rod is pushed, and the unlocking block enters the first sliding slot by sliding, and the third sealing plate loses the limit, and the third spring resets and drives the third sealing plate to move, and then drives the reset rod to extend the valve body, and the fifth sealing ring is sealed by being attached, at this time, because the third sealing plate is opened, and the first sealing plate is pushed by the first spring, therefore, when the liquid flows, it will enter the second pipeline from the third sealing plate with smaller resistance, the first sealing plate is attached to the first guide ring by the first spring, and the sealing of the first pipeline is realized, because the unlocking rod slides, the third pipeline and the fourth pipeline are communicated, and the liquid in the third pipeline can flow into the second pipeline from the fourth pipeline, and the switching of the first pipeline and the second pipeline is completed, at this time, the first filter ring can be cleaned by opening the first sealing plunger and the second sealing plunger, after cleaning, the reset rod needs to be manually pushed, the third sealing plate is pushed to contact the third guide ring, the locking block reenters the locking groove, at this time, the liquid will enter the first pipeline from the first sealing plate with smaller resistance, the switching of the first pipeline and the second pipeline is realized again, the third sealing plunger and the fourth sealing plunger are opened, and the second filter ring is cleaned, and the failure of the second filter assembly is avoided, by switching the first pipeline and the second pipeline, the valve body can work continuously, liquid transportation of the whole pipeline does not need to be stopped first, and then cleaning is carried out, and the production efficiency of the production line is improved.

[0015] (2) When switching between the first and second pipes, the reset lever will be pushed out, which can serve as a prompt to remind the user that the first filter component is blocked. Manually resetting after cleaning can serve as a confirmation to confirm that the first filter component has been cleaned, and to prevent the user from forgetting to clean and directly turning off the third control component. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application.

[0017] Furthermore, throughout the accompanying drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and the elements are not necessarily drawn to scale.

[0018] In the attached diagram:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a front view of the present invention;

[0021] Figure 3 for Figure 2 A line section of AA;

[0022] Figure 4 for Figure 3 A magnified view of a section at point B in the middle;

[0023] Figure 5 for Figure 3 A magnified view of a section at point C;

[0024] Figure 6 for Figure 3 A magnified view of a section at point D;

[0025] Figure 7 for Figure 3 A magnified view of a section at point E in the middle;

[0026] Figure 8 for Figure 3 A magnified view of a section at point F in the middle;

[0027] Figure 9 for Figure 3 A magnified view of a section at point G. Detailed Implementation

[0028] Embodiments of the present disclosure will be described below in greater detail with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein. Rather, these embodiments are provided so as to more completely and thoroughly understand the present disclosure. It is understood that the drawings and embodiments of the present disclosure are for exemplary purposes only and are not intended to limit the scope of protection of the present disclosure.

[0029] In addition, it should be further noted that only parts related to the utility model are shown in the drawings for ease of description. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0030] It should be noted that the concepts of "first", "second", etc. mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0031] It should be noted that the modification of "one" or "multiple" mentioned in the present disclosure is illustrative and not restrictive, and those skilled in the art should understand that unless otherwise explicitly stated in the context, it should be understood as "one or more".

[0032] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0033] Referring to Figures 1-9 The utility model discloses a control valve body with filtering function, including valve body 1, fixedly installed on the liquid inlet 2 of valve body, fixedly installed on the liquid outlet 3 of valve body, fixedly installed on the first pipe 4 of valve body and with the liquid inlet and the liquid outlet, fixedly installed on the second pipe 5 of valve body and with the liquid inlet and the liquid outlet, fixedly installed on the control mechanism 6 of valve body and first pipe and second pipe, fixedly installed on the filtering mechanism 7 of valve body and first pipe and second pipe, fixedly installed on the first control assembly 61 of first pipe and valve body, fixedly installed on the second control assembly 62 of first pipe and valve body, fixedly installed on the third control assembly 63 of first pipe and valve body, fixedly installed on the fourth control assembly 64 of first pipe and valve body, the fourth control assembly is same in structure with second control assembly, the filtering mechanism includes fixedly installed on the first filter assembly 71 of first pipe and valve body, fixedly installed on the second filter assembly 72 of second pipe and valve body, the first pipe is main pipe, and liquid flows through the first pipe under normal condition, the second pipe is standby pipe, and under normal condition, is in the closed state, when the first pipe is blocked, third control assembly and fourth control assembly can be opened, make liquid flow through the second pipe, and first control assembly and second control assembly are in the closed state, can clean first pipe.

[0034] Specifically, the first control assembly includes a first guide ring 611 fixed on the first pipeline, a first hollow support 612 fixed on the first pipeline, a first spring 613 fixed on one end of the first hollow support, a first sealing plate 614 fixed on the other end of the first spring, a first sealing ring 615 fixed on the first sealing plate and the first guide ring; the first spring is a compression spring; the first sealing ring can enhance sealing when the first sealing plate contacts the first guide ring; under normal conditions, liquid flows into the first pipeline from the liquid inlet, pushes away the first sealing plate against the elastic force of the first spring, flows through the first hollow support, passes through the first filter assembly, flows through the second control assembly after being filtered by the first filter assembly, and flows out from the liquid outlet.

[0035] Specifically, the second control assembly includes a second guide ring 621 fixed on the first pipeline, a second hollow support 622 fixed on the first pipeline, a second spring 623 fixed on one end of the second hollow support, a second sealing plate 624 fixed on the other end of the second spring, and a second sealing ring 625 fixed on the second sealing plate and the second guide ring; the second spring is a compression spring; the second sealing ring can enhance sealing when the second sealing plate contacts the second guide ring; under normal conditions, liquid flows through the first pipeline, pushes away the second sealing plate against the elastic force of the second spring, flows through the second hollow support, and flows out from the liquid outlet; if liquid flows out from the fourth control assembly, a force is applied to the second sealing plate to make it fit the second guide ring more closely, further sealing the first pipeline in cooperation with the second sealing ring; the pressure of liquid pumped into the valve body needs to be greater than the elastic force of the first spring and the elastic force of the second spring to flow into the first pipeline and flow out from the first pipeline; if the pumping pressure is small, liquid cannot flow into and out of the valve body, playing a control role.

[0036] Specifically, the third control assembly includes a third guide ring 631 fixed on the second pipeline, a third hollow support 632 fixed on the second pipeline, a third spring 633 fixed on one end of the third hollow support, a third sealing plate 634 fixed on the other end of the third spring, a third sealing ring 635 fixed on the third sealing plate and the third guide ring, and a reset assembly 636 fixed on the third sealing plate; the third spring is a tension spring and is in a stretched state under normal conditions; the third sealing plate is locked by the reset assembly; under normal conditions, when liquid flows into from the liquid inlet, the third sealing plate is locked by the reset assembly, and the first sealing plate is in a movable state, so the liquid pushes away the first sealing plate and enters the first pipeline.

[0037] Specifically, the reset assembly comprises a first sliding groove 6361 fixed on the third sealing plate, a locking groove 6362 fixed on the third guide ring, a locking block 6363 sliding on the locking groove and the first sliding groove, a fifth spring 6364 with one end fixed on the locking block and the other end fixed on the third sealing plate, a reset rod 6365 fixed on the third sealing plate and penetrating the valve body, and a fifth sealing ring 6366 fixed on the reset rod and the valve body; the fifth spring is a compression spring; in the initial state, the locking block is located in the locking groove, one side of the locking block is a plane, and the other side is an inclined surface, so that in the normal state, when the liquid pushes the fourth sealing plate, the fourth sealing plate is limited by the locking block, the plane of the locking block is attached to the locking groove, so that the locking block cannot be pushed into the locking groove, that is, the fourth sealing plate cannot be opened, and the liquid can only flow through the first pipeline.

[0038] Specifically, the first filter assembly comprises a first filter ring 711 sliding on the valve body and the first pipeline, a sixth spring 712 with one end fixed on the first filter ring and the other end fixed on the valve body, a first sealing plunger 713 rotating on the valve body and the first pipeline, a second sealing plunger 714 rotating on the valve body and the first pipeline, a third pipeline 715 fixed on the valve body, an unlocking rod 716 sliding on the third pipeline, a seventh spring 717 with one end fixed on the unlocking rod and the other end fixed on the valve body, and a fourth pipeline 718 fixed on the valve body and communicating with the third pipeline; the first filter ring is provided with a filter screen, and impurities are attached to one side of the filter screen facing the first control assembly after being filtered; the first sealing plunger and the second sealing plunger are threadedly rotatable on the valve body, and can be sealed in the normal state; when the first filter ring is blocked, the liquid flows through the second pipeline, and the first pipeline is sealed, at which time the first sealing plunger and the second sealing plunger can be opened to clean the first filter ring; the sixth spring is a compression spring; one end of the third pipeline is shielded by the first filter ring in the normal state, and the liquid cannot enter the third pipeline; one end of the fourth pipeline is blocked by the unlocking rod in the normal state, and the liquid cannot enter the fourth pipeline; the seventh spring is a compression spring.

[0039] Specifically, the second filter assembly comprises a second filter ring 721 fixed on the valve body and the second pipeline, a third sealing plunger 722 rotating on the valve body and the second pipeline, and a fourth sealing plunger 723 rotating on the valve body and the second pipeline; the first sealing plunger and the second sealing plunger are threadedly rotatable on the valve body, and can be sealed in the normal state, and can be opened to clean the second filter ring.

[0040] Under normal conditions, liquid flows from the liquid inlet, pushes the first sealing plate away against the elastic force of the first spring, flows through the first hollow support, passes through the first filter assembly, and then pushes the second sealing plate away against the elastic force of the second spring, flows through the second hollow support, and flows out from the liquid outlet; when the first filter ring is blocked, the pushing force of the liquid on the first filter ring increases, the first filter ring moves, the sixth spring is compressed, after the first filter ring moves, part of the liquid enters the third pipeline, pushes the unlocking rod, the sliding of the unlocking rod pushes the unlocking block into the first sliding groove, the third sealing plate loses the limit, the third spring resets to drive the third sealing plate to move, and then drives the reset rod to extend out of the valve body, the fifth sealing ring is in close contact to seal, at this time, because the third sealing plate is open, and the first sealing plate is pushed by the first spring, therefore, the liquid flows through the third sealing plate with smaller resistance and enters the second pipeline, the first spring pushes the first sealing plate to be in close contact with the first guide ring to seal the first pipeline, and because the unlocking rod slides, the third pipeline and the fourth pipeline are connected, the liquid in the third pipeline can flow into the second pipeline from the fourth pipeline, and the switching of the first pipeline and the second pipeline is completed, at this time, the first sealing plunger and the second sealing plunger can be opened to clean the first filter ring; after cleaning is completed, the reset rod needs to be manually pushed to push the third sealing plate into contact with the third guide ring, the locking block reenters the locking groove, at this time, the liquid enters the first pipeline from the first sealing plate with smaller resistance, the switching of the first pipeline and the second pipeline is realized again, the third sealing plunger and the fourth sealing plunger are opened again to clean the second filter ring to avoid failure of the second filter assembly, when the first pipeline and the second pipeline are switched, the reset rod is pushed out to serve as a prompt to remind the user that the first filter assembly is blocked, manual reset after cleaning serves as a confirmation that the first filter assembly has been cleaned, and the user is reminded to clean without directly closing the third control assembly.

[0041] The above description is merely some of the preferred embodiments of the present disclosure and a description of the principles of the technology used. Those skilled in the art should understand that the utility model range involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or equivalent features without departing from the above utility model concept. For example, the above features are replaced with the technical features disclosed in the embodiments of the present disclosure (but not limited to) with similar functions to form technical solutions.

Claims

1. A control valve body with filtration function, characterized in that: The utility model provides a valve body (1), fixedly arranged liquid inlet (2) on the valve body, fixedly arranged liquid outlet (3) on the valve body, fixedly arranged first pipeline (4) on the valve body and with liquid inlet and liquid outlet, fixedly arranged second pipeline (5) on the valve body and with liquid inlet and liquid outlet, fixedly arranged control mechanism (6) on the valve body and first pipeline and second pipeline, fixedly arranged filtering mechanism (7) on the valve body and first pipeline and second pipeline, fixedly arranged first control assembly (61) on the first pipeline and valve body, fixedly arranged second control assembly (62) on the first pipeline and valve body, fixedly arranged third control assembly (63) on the first pipeline and valve body, fixedly arranged fourth control assembly (64) on the first pipeline and valve body, fourth control assembly is same in structure with second control assembly, filtering mechanism includes fixedly arranged first filtering assembly (71) on the first pipeline and valve body, fixedly arranged second filtering assembly (72) on the second pipeline and valve body.

2. The control valve body with filtering function according to claim 1, characterized in that: The first control assembly includes a first guide ring (611) fixedly arranged on the first pipeline, a first hollow support (612) fixedly arranged on the first pipeline, a first spring (613) having one end fixedly arranged on the first hollow support, a first sealing plate (614) fixedly arranged on the other end of the first spring, and a first sealing ring (615) fixedly arranged on the first sealing plate and the first guide ring.

3. The control valve body with filtering function according to claim 1, characterized in that: The second control assembly includes a second guide ring (621) fixedly arranged on the first pipeline, a second hollow support (622) fixedly arranged on the first pipeline, a second spring (623) having one end fixedly arranged on the second hollow support, a second sealing plate (624) fixedly arranged on the other end of the second spring, and a second sealing ring (625) fixedly arranged on the second sealing plate and the second guide ring.

4. The control valve body with filtering function according to claim 1, characterized in that: The third control assembly includes a third guide ring (631) fixedly arranged on the second pipeline, a third hollow support (632) fixedly arranged on the second pipeline, a third spring (633) having one end fixedly arranged on the third hollow support, a third sealing plate (634) fixedly arranged on the other end of the third spring, a third sealing ring (635) fixedly arranged on the third sealing plate and the third guide ring, and a reset assembly (636) fixedly arranged on the third sealing plate.

5. The control valve body with filtering function according to claim 4, characterized in that: The reset assembly includes a first sliding groove (6361) fixedly arranged on the third sealing plate, a locking groove (6362) fixedly arranged on the third guide ring, a locking block (6363) slidingly arranged in the locking groove and the first sliding groove, a fifth spring (6364) having one end fixedly arranged on the locking block and the other end fixedly arranged on the third sealing plate, a reset rod (6365) fixedly arranged on the third sealing plate and penetrating through the valve body, and a fifth sealing ring (6366) fixedly arranged on the reset rod and the valve body.

6. The control valve body with filtering function according to claim 1, characterized in that: The first filter assembly comprises a first filter ring (711) slidingly arranged on the valve body and the first pipeline, a sixth spring (712) fixedly arranged on the first filter ring at one end and on the valve body at the other end, a first sealing plunger (713) rotatably arranged on the valve body and the first pipeline, a second sealing plunger (714) rotatably arranged on the valve body and the first pipeline, a third pipeline (715) fixedly arranged on the valve body, an unlocking rod (716) slidingly arranged on the third pipeline, a seventh spring (717) fixedly arranged on the unlocking rod at one end and on the valve body at the other end, and a fourth pipeline (718) fixedly arranged on the valve body and communicating with the third pipeline.

7. The control valve body with filter function according to claim 1, characterized in that: The second filter assembly comprises a second filter ring (721) fixedly arranged on the valve body and the second pipeline, a third sealing plunger (722) rotatably arranged on the valve body and the second pipeline, and a fourth sealing plunger (723) rotatably arranged on the valve body and the second pipeline.

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