TWM649367U - Fluid valve and flow rate change kit - Google Patents

Abstract

A fluid valve for a diaphragm pump. The fluid valve includes a valve core, which is slidably installed in a housing. The valve core can control the direction of the fluid between the first inlet, the second inlet and the outlet. The housing A first sleeve part and a second sleeve part are detachably provided at the first position and the second position of the valve core respectively; a first flow control hole is provided in the first sleeve part and located at the first inlet and the outlet; and a second flow control hole, which is provided in the second sleeve part and located between the second inlet and the outlet. This creation changes the fluid volume inside the fluid valve by adding detachable parts, and provides a flow changing kit for existing fluid valves.

Description

Fluid Valve and Flow Change Kit

This invention relates to a fluid valve and a flow rate changing kit, in particular to a fluid valve with detachable internal parts to change the fluid volume and a kit used to change the fluid volume of an existing fluid valve.

Fluid-driven diaphragm pumps are often used in factories to transport a variety of liquids. However, when adjusting such diaphragm pumps, because the volume of fluid input to the fluid valve is usually fixed, the fluid can usually only be changed from the outside. Adjust the input pressure of the valve; if you need to adjust the input fluid volume of the fluid valve, you usually need to disassemble it and modify the flow channel. In fact, it is impossible to perform this time-consuming and expensive operation.

In view of this, the author has accumulated many years of research and practical experience in related fields, and specially created a fluid valve and flow changing kit to improve the deficiencies of the above-mentioned conventional technologies.

The main purpose of this invention is to provide a fluid valve that can adjust the fluid volume of the fluid valve and thereby fine-tune the efficiency of the fluid valve without completely disassembling the diaphragm pump or replacing the fluid valve; this invention also provides a flow change kit for both Some diaphragm pumps are used.

In order to achieve the above purpose, the fluid valve of the present invention is used in a diaphragm pump. The fluid valve includes a valve core, which is slidably installed in a housing. The valve core is between a first position and a second position. The casing includes a first inlet, a second inlet and an outlet. The casing is detachably provided with a first sleeve part and a second sleeve part at the first position and the second position respectively. The valve core is surrounded by A first communication groove and a second communication groove. When the valve core is in the first position, the first communication groove communicates with the first inlet and outlet. When the valve core is in the second position, the second communication groove communicates with the second communication groove. Inlet and outlet; a first flow control hole, which is provided in the first sleeve part and is located between the first inlet and the outlet; and a second flow control hole, which is provided in the second sleeve part and is located in the second inlet and exit.

In one embodiment, the first sleeve part is provided at a position corresponding to the first communication groove, and the second sleeve part is provided at a position corresponding to the second communication groove. The first sleeve part and the second sleeve part can be detachably installed on the housing respectively.

In one embodiment, the first sleeve part and the second sleeve part are provided separately and are respectively detachably provided on the housing. The first sleeve part and the second sleeve part may be disposed at both ends of the cavity in which the housing accommodates the valve core.

The first sleeve part and the second sleeve part can be detachably installed on the casing by pins or screw fixings.

In one embodiment, one end of the valve core is inserted into the first sleeve part when it is in the first position, and the other end of the valve core is inserted into the second sleeve part when it is in the second position.

In one embodiment, the invention includes a pilot valve. The pilot valve includes a pilot valve inlet and a pilot valve assembly. The pilot valve assembly is disposed between the pilot valve inlet and the first inlet and the second inlet. The pilot valve assembly is in the pilot valve. There is a first annular insert between the valve inlet and the first inlet, and the pilot valve assembly has a second annular insert between the pilot valve inlet and the second inlet.

The invention also includes a flow changing kit for a fluid valve of a diaphragm pump. The fluid valve includes a shell and a valve core. The valve core is connected to a first communication groove or a first communication groove in a first position or a second position respectively. A second communication groove connects a first inlet or a second inlet to an outlet. The flow changing kit includes at least one sleeve. The sleeve has a first flow control hole between the first inlet and the outlet. The sleeve is in the second There is a second flow control hole between the inlet and the outlet, and the sleeve is detachably mounted on the casing. The sleeve may have a first sleeve part and a second sleeve part, the first flow control hole may be provided in the first sleeve part, and the second flow control hole may be provided in the second sleeve part. The first sleeve part and the second sleeve part can be provided separately and are respectively detachably provided on the housing.

Another embodiment of the flow changing kit of the present invention includes a pilot valve, which is connected to the first inlet and the second inlet through a first channel and a second channel respectively. The pilot valve is detachably provided with a first channel in the first channel. Annular insert, the pilot valve is detachably provided with a second annular insert in the second channel.

In order to clearly and fully disclose this invention, illustrations of better implementations are enumerated, and the implementation methods are described in detail as follows.

Please refer to the first to third figures, which reveal the diagrams of the embodiments of the present invention. The above figures illustrate the embodiment (1) of the fluid valve 10 of the present invention, which includes a valve core 15 that can slide It is located in a shell 11. In the embodiment (1), the shell 11 includes a manifold 12 and two end plates (13, 14) and a cavity to accommodate the valve core 15. The valve core 15 is in a first position (the first position). Slides between the left side in the first figure) and a second position (the right side in the first figure). The housing 11 includes a first inlet 171, a second inlet 221 and an outlet 18. The housing 11 is in the first position and the second position. A first sleeve part 37a and a second sleeve part 38a are detachably provided respectively, and the valve core 15 is surrounded by a first communication groove 16 and a second communication groove 21. When the valve core 15 is in the first position , the first communication groove 16 communicates with the first inlet 171 and the outlet 18. When the valve core 15 is in the second position, the second communication groove 21 communicates with the second inlet 221 and the outlet 18; a first flow control hole 24a is provided. in the first sleeve part 37a and between the first inlet 171 and the outlet 18; and a second flow control hole 25a, which is provided in the second sleeve part 38a and between the second inlet 221 and the outlet 18.

Since the first sleeve part 37a is provided at a position corresponding to the first communication groove 16 and the second sleeve part 38a is provided at a position corresponding to the second communication groove 21, when the valve core 15 is located in the first position, the first flow control The hole 24a can control the fluid volume passing through the first communication groove 16; when the valve core 15 is in the second position, the second flow control hole 25a can control the fluid volume passing through the second communication groove 21. When the valve core 15 is in the first position, one end (left end) is inserted into the first sleeve part 37a, and when the valve core 15 is in the second position, the other end (right end) is inserted into the second sleeve part 38a.

In the first figure, the communication line 19 indicates that the first inlet 171 is connected to the outlet 18 , and the communication line 19 a indicates that when the valve core 15 is in the first position, the second communication groove 21 communicates with the second inlet 221 and the return channel 23 .

Embodiment (1) of the flow changing kit of the present invention is used for a fluid valve 10 of a diaphragm pump. The fluid valve 10 includes a housing 11 and a valve core 15. The valve core 15 is in a first position or a first position. The two positions are respectively connected to a first inlet 171 or a second inlet 221 to an outlet 18 by a first communication slot 16 or a second communication slot 21. Embodiment (1) of the flow changing kit includes: at least one set The sleeve 26a has a first flow control hole 24a between the first inlet 171 and the outlet 18. The sleeve 26a has a second flow control hole 25a between the second inlet 221 and the outlet 18. The sleeve 26a is detachable. The ground is located on the outer shell 11.

In the second and third figures, you can see the sleeve 26a provided on the periphery of the valve core 15 in Embodiment (1), and the valve core 15 reciprocates in the sleeve 26a. One end of the sleeve 26a is detachably coupled to the first sleeve part 37a, and the other end of the sleeve 26a is detachably coupled to the second sleeve part 38a. The sleeve 26a, the first sleeve part 37a and the second sleeve part 38a are all provided with a plurality of sleeve grooves 41 for installing sealing elements 42 (such as O-rings or star rings). In the third figure, it can be seen that the sleeve 26a is respectively provided with a bottom through hole 43 below the first flow control hole 24a and the second flow control hole 25a for fluid to pass, because the fluid volume depends on the first flow control hole 24a. Controlled by the second flow control hole 25a, each bottom through hole 43 may be of standard size.

Therefore, in Embodiment (1), the first sleeve part 37a and the second sleeve part 38a are respectively detachably installed on the housing 11. The first sleeve part 37a and the second sleeve part 38a can be detachably provided on the housing 11 by pins (not shown) or screw fixings (not shown).

The first sleeve part 37a and the second sleeve part 38a can also be connected together and detachably installed on the housing 11, that is, the first sleeve part 37a and the second sleeve part 38a can be integrated with the sleeve 26a. If it is made by forming, there is no need to provide the bottom through hole 43 .

In the fourth and fifth figures, you can see embodiments of sleeves (26b, 26c) with different hole sizes of the present invention. In the fourth figure, the first sleeve part 37b and the second sleeve part 38b respectively have The first flow control hole 24b and the second flow control hole 25b are different in size from those in the second figure; the first sleeve portion 37c and the second sleeve portion 38c in the fifth figure also have third flow control holes in different sizes than those in the second figure. A flow control hole 24c and a second flow control hole 25c. Therefore, in this invention, as long as the sleeve part with different control hole diameters is replaced, the input fluid volume and efficiency of the fluid valve can be adjusted without processing the flow channel. The middle portions of the sleeves (26a, 26b, 26c) are the same and can be used.

This invention can adjust the fluid volume of the fluid valve 10 and thereby fine-tune the efficiency of the fluid valve 10 without completely disassembling the diaphragm pump or replacing the fluid valve 10 .

In Figures 6 to 8, embodiment (2) of the fluid valve 10 of the present invention is used in a diaphragm pump and includes: a valve core 15 slidably disposed in a housing 11. The core 15 slides between a first position (left side in the sixth figure) and a second position (right side in the sixth figure). The shell 11 includes a first inlet 171, a second inlet 221 and an outlet 18. The valve The core 15 is surrounded by a first communication groove 16 and a second communication groove 21. When the valve core 15 is in the first position, the first communication groove 16 communicates with the first inlet 171 and the outlet 18. When the valve core 15 is in the first position, In the second position, the second communication groove 21 communicates with the second inlet 221 and the outlet 18; a pilot valve 30 includes a pilot valve inlet 35 and a pilot valve assembly 31. The pilot valve assembly 31 is located between the pilot valve inlet 35 and the first Between the inlet 171 and the second inlet 221, there is a first channel 17 between the pilot valve inlet 35 and the first inlet 171, and there is a second channel 22 between the pilot valve inlet 35 and the second inlet 221; a first annular insert 33, which is detachably provided in the first channel 17; and a second annular insert 34, which is detachably provided in the second channel 22.

In Embodiment (2), the pilot valve 30 is installed below the fluid valve 10, and there is a pilot valve cavity 32 in the pilot valve assembly 31 to accommodate the pilot valve core 36; as can be seen in the eighth figure, the third valve in Embodiment (2) An annular insert 33 and a second annular insert 34 are detachably provided on the pilot valve assembly 31 respectively to adjust the fluid volumes of the first channel 17 and the second channel 22 .

In Embodiment (2), the valve core 15 is slidably installed in a sleeve 26d, and the sleeve 26d is detachably installed in the housing 11. The sleeve 26d is integrally formed, which is different from that in Embodiment (1).

Since the pilot valve 30 is added in front of the fluid valve 10, the fluid volume passing through the first channel 17 and the second channel 22 can be controlled by changing the diameter of the first annular insert 33 and the second annular insert 34, and the fluid valve 10 can be adjusted. The fluid volume thereby fine-tunes the efficiency of the fluid valve 10.

Embodiment (2) of the flow changing kit of the present invention is used in a fluid valve 10 of a diaphragm pump. The fluid valve 10 includes a housing 11 and a valve core 15. The valve core 15 is in a first position or a second position. The position is respectively connected to a first inlet 171 or a second inlet 221 to an outlet 18 by a first communication groove 16 or a second communication groove 21. Embodiment (2) of the flow change kit includes: a pilot valve 30, It is connected to the first inlet 171 and the second inlet 221 by a first channel 17 and a second channel 22 respectively. The pilot valve 30 is detachably provided with a first annular insert 33 in the first channel 17. The pilot valve 30 is in the first channel 17. The second channel 22 is detachably provided with a second annular insert 34.

The sleeve 26a and the pilot valve 30 described in this invention can be installed on a fluid valve 10 at the same time. That is, the fluid valve 10 in the first figure can also be equipped with a pilot valve 30. Embodiment of the flow change kit (1) It can be used simultaneously with Embodiment (2).

However, the above are only preferred embodiments of this invention and cannot be used to limit the scope of implementation of this invention. All changes and modifications that can be obviously made by those skilled in the art should be regarded as not departing from this invention. The substantial content of this creation.

10:Fluid valve 11: Shell 12:Manifold 13:End plate 14:End plate 15: valve core 16: First communication slot 17:First channel 171:First entrance 18:Export 19: Connect the signal line 19a: Connect the schematic line 21: Second connecting slot 22:Second channel 221:Second entrance 23:Return channel 24a: First flow control hole 24b: First flow control hole 24c: First flow control hole 25a: Second flow control hole 25b: Second flow control hole 25c: Second flow control hole 26a:Sleeve 26b:Sleeve 26c: sleeve 26d: sleeve 30: Pilot valve 31: Pilot valve assembly 32: Pilot valve cavity 33: First Ring Plug-in 34:Second ring insert 35: Pilot valve inlet 36: Pilot valve core 37a: First sleeve part 37b: First sleeve part 37c: First sleeve part 38a: Second sleeve part 38b: Second sleeve part 38c: Second sleeve part 41:Sleeve groove 42:Sealing element 43:Bottom through hole

The first figure is a schematic cross-sectional view of Embodiment (1) of the present invention. The second picture is a three-dimensional view of Embodiment (1) of the sleeve of the present invention. The third figure is an exploded schematic diagram of Embodiment (1) of the sleeve of the present invention. The fourth picture is a three-dimensional view of Embodiment (2) of the sleeve of this invention. The fifth figure is a three-dimensional view of Embodiment (3) of the sleeve of this invention. The sixth figure is a schematic three-dimensional cross-sectional view of Embodiment (2) of the present invention. The seventh figure is a perspective view of Embodiment (2) of the present invention. The eighth picture is a schematic three-dimensional cross-sectional view of the pilot valve assembly before this creation.

10:Fluid valve

11: Shell

12:Manifold

13:End plate

14:End plate

15: valve core

16: First communication slot

171:First entrance

18:Export

19: Connect the signal line

19a: Connect the schematic line

21: Second connecting slot

221:Second entrance

23:Return channel

24a: First flow control hole

25a: Second flow control hole

26a:Sleeve

37a: First sleeve part

38a: Second sleeve part

Claims (9)

A fluid valve for a diaphragm pump, the fluid valve includes: A valve core is slidably provided in a housing. The valve core slides between a first position and a second position. The housing includes a first inlet, a second inlet and an outlet. The housing A first sleeve part and a second sleeve part are detachably provided in the first position and the second position respectively, and the valve core is surrounded by a first communication groove and a second communication groove. When the valve When the core is in the first position, the first communication groove connects the first inlet and the outlet, and when the valve core is in the second position, the second communication groove connects the second inlet and the outlet; a first flow control hole provided in the first sleeve part and between the first inlet and the outlet; and A second flow control hole is provided in the second sleeve part and located between the second inlet and the outlet. The fluid valve according to claim 1, wherein the first sleeve part is provided at a position corresponding to the first communication groove, and the second sleeve part is provided at a position corresponding to the second communication groove. The fluid valve according to claim 2, wherein the first sleeve part and the second sleeve part are respectively detachably installed on the housing. The fluid valve of claim 1, wherein the first sleeve part and the second sleeve part are connected together and detachably installed on the housing. A fluid valve for a diaphragm pump, the fluid valve includes: A valve core is slidably disposed in a housing. The valve core slides between a first position and a second position. The housing includes a first inlet, a second inlet and an outlet. The valve The core ring is provided with a first communication groove and a second communication groove. When the valve core is in the first position, the first communication groove communicates with the first inlet and the outlet. When the valve core is in the second position, the core ring is provided with a first communication groove and a second communication groove. position, the second communication slot connects the second inlet and the outlet; A pilot valve, which includes a pilot valve inlet and a pilot valve assembly. The pilot valve assembly is located between the pilot valve inlet and the first inlet and the second inlet. There is a gap between the pilot valve inlet and the first inlet. a first channel, a second channel between the pilot valve inlet and the second inlet; a first annular insert removably provided in the first channel; and A second annular insert is detachably provided in the second channel. A flow changing kit for a fluid valve of a diaphragm pump. The fluid valve includes a housing and a valve core. The valve core is connected to a first communication groove or a second position respectively in a first position or a second position. The second communication slot connects a first inlet or a second inlet to an outlet, and the flow changing kit includes: At least one sleeve, the sleeve has a first flow control hole between the first inlet and the outlet, the sleeve has a second flow control hole between the second inlet and the outlet, the sleeve is detachable The ground is located on the shell. The flow rate changing kit according to claim 6, wherein the sleeve has a first sleeve part and a second sleeve part, the first flow control hole is provided in the first sleeve part, and the second flow control hole Located on the second sleeve part. The flow rate changing kit according to claim 7, wherein the first sleeve part and the second sleeve part are separately provided and are respectively detachably provided on the housing. A flow changing kit for a fluid valve of a diaphragm pump. The fluid valve includes a housing and a valve core. The valve core is connected to a first communication groove or a second position respectively in a first position or a second position. The second communication slot connects a first inlet or a second inlet to an outlet, and the flow changing kit includes: A pilot valve, which connects the first inlet and the second inlet with a first channel and a second channel respectively. The pilot valve is detachably provided with a first annular insert in the first channel. The pilot valve is in The second channel is detachably provided with a second annular insert.