Electric regulating valve for solvent and regulating method thereof

Abstract

The invention belongs to the technical field of valves, and particularly relates to an electric regulating valve for a solvent and a regulating method thereof.The electric regulating valve for the solvent comprises a valve body, the valve body is provided with two pipe openings, each pipe opening is provided with a linkage mechanism, and each linkage mechanism comprises an adapter arranged in the corresponding pipe opening and suitable for being connected with a water pipe in an inserted mode; the elastic limiting assembly comprises a stress ring and a limiting piece, the stress ring is arranged on the periphery of the pipe opening in a sleeving mode, the outer end of the limiting piece abuts against the stress ring, and the inner end of the limiting piece is inserted into the pipe opening to clamp the adapter. The elastic limiting assembly of the linkage mechanism clamps the adapter when being not pressed, so that the adapter is prevented from being pulled out along with the water pipe when the water pipe is replaced, the elastic limiting assembly abuts against the water pipe inserted into the adapter when being pressed, and the elastic limiting assembly limits the adapter through rotating contact when being not pressed. Therefore, the adapter is convenient to replace.

Description

Technical Field

[0001] The present invention belongs to the technical field of valves, specifically relates to pipe joints, and particularly relates to an electric control valve for solvents and its adjustment method. Background Art

[0002] A control valve has at least two pipe orifices, one being the inlet and the other being the outlet; when in use, the water inlet pipe needs to be connected to the pipe orifice at the inlet of the control valve.

[0003] In different usage scenarios, the sizes of the water inlet pipes are different, resulting in the inability to connect the water inlet pipe to the pipe orifice of the control valve. At this time, an adapter needs to be provided at the pipe orifice of the control valve to connect the water inlet pipe.

[0004] In the related art, one type of adapter can only be adapted to one type of water inlet pipe. Therefore, when the size of the water inlet pipe changes, the adapter needs to be replaced simultaneously.

[0005] Therefore, based on the above scenarios, how to solve the technical problem of inconvenient replacement of the adapter is an urgent need for those skilled in the art.

[0006] It should be noted that the above information disclosed in this background art section is only used to understand the background art of the concept of this application. Therefore, the above description is not considered as information of the prior art. Summary of the Invention

[0007] The embodiments of the present disclosure at least provide an electric control valve for solvents and its adjustment method.

[0008] In a first aspect, the embodiments of the present disclosure provide a valve, including: a valve body, on which two pipe orifices are provided, and a linkage mechanism is provided at each pipe orifice. The linkage mechanism includes: an adapter, which is arranged inside the pipe orifice and is suitable for inserting a water pipe thereon; an elastic limiting component, which includes: a force-bearing ring and a limiting member. The force-bearing ring is sleeved around the periphery of the pipe orifice, the outer end of the limiting member abuts against the force-bearing ring, and the inner end inserts into the pipe orifice to clamp the adapter; wherein when disassembling the adapter, the limiting member is lifted by rotating the force-bearing ring to release the limitation on the adapter; and when tightening the end cover, the end cover is connected to the pipe orifice to push the force-bearing ring to move axially, and at the same time the force-bearing ring pushes the limiting member to move radially so that the inner end of the limiting member tightly abuts against the water pipe.

[0009] In an optional implementation manner, a guiding groove is opened on the inner wall of the force-bearing ring; wherein a first spring is sleeved around the periphery of the limiting member, and the first spring pushes the outer end of the limiting member to extend into the guiding groove and abut against the force-bearing ring.

[0010] In an alternative embodiment, the guiding groove includes: an axial section and a circumferential section; wherein the outer end of the limiting member is located within the axial section, and the inner end catches the adapter; when disassembling the adapter, the outer end is moved to the circumferential section by rotating the force-receiving ring, that is, the upper movement of the limiting member releases the limitation on the adapter.

[0011] In an alternative embodiment, a first inclined surface is provided on the outer side wall of the outer end, and a second inclined surface is provided on the inner side wall of the outer side of the axial section; wherein when tightening the end cap, the force-receiving ring pushes the first inclined surface of the limiting member through the second inclined surface, causing the limiting member to move towards the adapter to press against the water pipe.

[0012] In an alternative embodiment, the inner side wall of the outer end is a first straight surface, and the inner side wall of the axial section is a second straight surface; wherein a second spring is sleeved around the periphery of the pipe orifice, the second spring pushes the force-receiving ring to move away from the pipe orifice, and the outer end abuts against the second straight surface of the force-receiving ring through the first straight surface for limitation.

[0013] In an alternative embodiment, a clamping ring protruding from the side wall is provided at the clamping end of the adapter; wherein the inner end is located outside the clamping ring to catch the adapter.

[0014] In an alternative embodiment, an installation hole is radially opened on the side wall of the pipe orifice, and a through hole is opened at the bottom of the installation hole; the limiting member is arranged in the installation hole, and the inner end extends into the pipe orifice; an annular boss is provided on the side wall of the limiting member; wherein one end of the first spring abuts against the annular boss, and the other end abuts against the installation hole.

[0015] In a second aspect, an embodiment of the present disclosure further provides a method for adjusting a valve, including: arranging the adapter in the pipe orifice to plug the water pipe; catching the adapter by the limiting member of the elastic limiting assembly; releasing the limitation on the adapter by rotating the force-receiving ring of the elastic limiting assembly; and pressing the limiting member of the elastic limiting assembly against the water pipe by tightening the end cap.

[0016] In an alternative embodiment, the guiding groove includes: an axial section; wherein a first spring is sleeved around the periphery of the limiting member, the first spring pushes the outer end of the limiting member to extend into the axial section and abut against the force-receiving ring; a first inclined surface is provided on the outer side wall of the outer end, and a second inclined surface is provided on the inner side wall of the outer side of the axial section; when tightening the end cap, the force-receiving ring pushes the first inclined surface of the limiting member through the second inclined surface, causing the limiting member to move towards the adapter to press against the water pipe.

[0017] In an alternative embodiment, the guiding groove further includes: a circumferential section; wherein when disassembling the adapter, the outer end is moved to the circumferential section by rotating the force-receiving ring to release the limitation on the adapter.

[0018] The beneficial effects of the present invention are that the electric control valve for solvents and its adjustment method prevent the adapter from being pulled off with the water pipe during the replacement of the water pipe by setting a linkage mechanism, so that the elastic limit component of the linkage mechanism catches the adapter when not under pressure, and prevent the water pipe inserted into the adapter from detaching or leaking by making the elastic limit component press against the water pipe when under pressure, and facilitate the replacement of different types of adapters by the limit of the adapter through rotational contact when the elastic limit component is not under pressure.

[0019] Other features and advantages of the present invention will be described in the following specification, and, in part, will be obvious from the specification, or will be understood by implementing the present invention. The objectives and other advantages of the present invention are achieved and obtained by the structures specifically pointed out in the specification and the drawings.

[0020] To make the above objectives, features, and advantages of the present invention more obvious and understandable, specific preferred embodiments are hereby given, and in conjunction with the accompanying drawings, the detailed description is as follows. Description of the Drawings

[0021] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 Structural schematic diagram of an electric control valve for solvents provided by an embodiment of the present disclosure; Figure 2 Structural schematic diagram of a limit member in the first state provided by an embodiment of the present disclosure; Figure 3 Structural schematic diagram of a limit member in the third state provided by an embodiment of the present disclosure; Figure 4 Structural schematic diagram of an elastic limit component provided by an embodiment of the present disclosure; Figure 5 Structural schematic diagram of a guiding groove on a force-bearing ring provided by an embodiment of the present disclosure.

[0023] In the figure: Valve body 1, pipe orifice 11, annular insertion groove 111, water pipe 12, mounting hole 13; Linkage mechanism A; Adapter 2, clamping end 21, clamping ring 22; Elastic limit component 3, force-receiving ring 31, guide groove 311, axial section 311a, circumferential section 311b, second inclined surface 311c, second straight surface 311d, limiting member 32, outer end 321, first inclined surface 321a, first straight surface 321b, inner end 322, annular boss 323, first spring 33, second spring 34; End cover 4. Specific implementation manner

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Apparently, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, in the drawings, for the purpose of effectively describing the technical content, the thickness of components may be exaggerated or reduced.

[0026] The following will describe in detail some embodiments of the present invention with reference to the accompanying drawings. Without conflict, the following embodiments and the features in the embodiments may be combined with each other.

[0027] As Figure 1 shown, at least one embodiment provides an electric control valve for solvents, including: a valve body 1, two pipe orifices 11 are provided on the valve body 1, and a linkage mechanism A is provided at each pipe orifice 11. The linkage mechanism A includes: a adapter 2 and an elastic limit component 3.

[0028] As Figure 4 shown, in some embodiments, the inner end of the adapter 2 is a clamping end 21, the clamping end 21 is inserted into the pipe orifice 11, and the outer end of the adapter 2 is used for inserting a water pipe 12.

[0029] In this embodiment, an annular insertion groove 111 is provided inside the pipe orifice 11, and the clamping end 21 of the adapter 2 is inserted into the annular insertion groove 111.

[0030] As Figure 4 shown, in some embodiments, a clamping ring 22 protruding from the side wall is provided on the clamping end 21 of the adapter 2.

[0031] In this embodiment, the elastic limit component 3 prevents the adapter 2 from being pulled off together with the water pipe 12 when the water pipe 12 is replaced by clamping the clamping ring 22.

[0032] AsFigure 2 As shown, in some embodiments, the elastic limiting component 3 includes: a force-bearing ring 31 and a limiting member 32. The force-bearing ring 31 is sleeved around the outer periphery of the pipe orifice 11. The limiting member 32 is axially inserted through the pipe orifice 11, and the outer end portion 321 of the limiting member 32 abuts against the force-bearing ring 31, and the inner end portion 322 of the limiting member 32 extends into the pipe orifice 11 to clamp the adapter 2.

[0033] In this embodiment, the limiting member 32 has the following three states: As Figure 2 shown, in the first state, the inner end portion 322 of the limiting member 32 extends into the pipe orifice 11, and the inner end portion 322 is located outside the clamping ring 22, so as to prevent the clamping ring 22 from being pulled off.

[0034] In the second state, when disassembling the adapter 2, on the basis of the first state, by rotating the force-bearing ring 31, the limiting member 32 is lifted to release the limit on the adapter 2.

[0035] As Figure 3 shown, in the third state, when tightening the end cap 4, on the basis of the first state, the end cap 4 is connected to the pipe orifice 11 to push the force-bearing ring 31 to axially move, and at the same time the force-bearing ring 31 pushes the limiting member 32 to radially move so that the inner end portion 322 of the limiting member 32 abuts tightly against the water pipe 12.

[0036] In some embodiments, a guiding groove 311 is formed on the inner wall of the force-bearing ring 31; a first spring 33 is sleeved around the outer periphery of the limiting member 32.

[0037] In this embodiment, under the push of the first spring 33, the outer end portion 321 of the limiting member 32 extends into the guiding groove 311 to abut against the force-bearing ring 31.

[0038] In some embodiments, the guiding groove 311 includes: an axial section 311a and a circumferential section 311b.

[0039] In this embodiment, in the first state, the outer end portion 321 of the limiting member 32 is located in the axial section 311a, and the inner end portion 322 clamps the adapter 2; in the second state (when disassembling the adapter 2), by rotating the force-bearing ring 31, the outer end portion 321 is moved to the circumferential section 311b to release the limit on the adapter 2.

[0040] In some embodiments, a first inclined surface 321a is provided on the outer side wall of the outer end portion 321, and a second inclined surface 311c is provided on the outer inner wall of the axial section 311a.

[0041] In this embodiment, in the third state (tightening the end cover 4), the end cover 4 pushes the force-bearing ring 31, causing the force-bearing ring 31 to push the first inclined surface 321a of the limiting member 32 through the second inclined surface 311c, so that the limiting member 32 moves toward the adapter 2 to press against the water pipe 12.

[0042] In some embodiments, the inner side wall of the outer end portion 321 is a first straight surface 321b, and the inner side wall of the axial section 311a is a second straight surface 311d.

[0043] In this embodiment, in order to prevent the force-bearing ring 31 from disengaging in the first state, a second spring 34 is sleeved around the outer periphery of the pipe orifice 11. The second spring 34 pushes the force-bearing ring 31 to move away from the pipe orifice 11, and the outer end portion 321 abuts against the second straight surface 311d of the force-bearing ring 31 through the first straight surface 321b, thereby realizing the limitation of the force-bearing ring 31.

[0044] In some embodiments, an installation hole 13 is radially formed in the side wall of the pipe orifice 11, and a through hole is formed at the bottom of the installation hole 13; the limiting member 32 is disposed in the installation hole 13, and the inner end portion 322 extends into the pipe orifice 11; an annular boss 323 is disposed on the side wall of the limiting member 32; wherein, one end of the first spring 33 abuts against the annular boss 323, and the other end abuts against the installation hole 13.

[0045] As Figures 1 to 3 shown, at least one embodiment further provides a method for adjusting an electric control valve for solvents, including: disposing the adapter 2 in the pipe orifice 11 to insert the water pipe 12; clamping the adapter 2 by the limiting member 32 of the elastic limiting assembly 3; releasing the limitation of the adapter 2 by rotating the force-bearing ring 31 of the elastic limiting assembly 3; and pressing the limiting member 32 of the elastic limiting assembly 3 against the water pipe 12 by tightening the end cover 4.

[0046] For the specific structure and implementation process of the electric control valve for solvents, refer to the relevant descriptions in the above embodiments, and details are not described herein again.

[0047] As Figure 2 、 Figure 5 shown, in some embodiments, the guiding groove 311 includes: an axial section 311a; wherein a first spring 33 is sleeved around the outer periphery of the limiting member 32, and the first spring 33 pushes the outer end portion 321 of the limiting member 32 to extend into the axial section 311a and abut against the force-bearing ring 31; a first inclined surface 321a is disposed on the outer side wall of the outer end portion 321, and a second inclined surface 311c is disposed on the outer side inner wall of the axial section 311a; when tightening the end cover 4, the force-bearing ring 31 pushes the first inclined surface 321a of the limiting member 32 through the second inclined surface 311c, so that the limiting member 32 moves toward the adapter 2 to press against the water pipe 12.

[0048] In some embodiments, the guiding groove 311 further includes: a circumferential section 311b; wherein when the adapter 2 is disassembled, the outer end 321 is moved to the circumferential section 311b by rotating the force-bearing ring 31 to release the limitation on the adapter 2.

[0049] In summary, for the electric control valve for solvent and its control method of the present disclosure, by providing the linkage mechanism A, the elastic limiting component 3 of the linkage mechanism A clamps the adapter 2 when not under pressure, thereby preventing the adapter 2 from being pulled off along with the water pipe 12 when the water pipe 12 is replaced, and enabling the elastic limiting component 3 to press against the water pipe 12 inserted into the adapter 2 when under pressure, thereby preventing the water pipe 12 from detaching or leaking, and enabling the elastic limiting component 3 to release the limitation on the adapter 2 by rotating and contacting when not under pressure, thereby facilitating the replacement of adapters 2 of different models.

[0050] As used herein, when it is mentioned that a first component is located on a second component, this may mean that the first component may be directly formed on the second component, or a third component may be interposed between the first component and the second component.

[0051] As used herein, when an element or layer is referred to as being "located on", "joined to", "connected to", "attached to", or "coupled to" another element or layer, it may be directly located on, joined, connected, attached, or coupled to the other element or layer, or there may be intervening elements or layers. In contrast, when an element is referred to as being "directly on another element or layer", "directly joined to", "directly connected to", "directly attached to", or "directly coupled to" another element or layer, there may be no intervening elements or layers. Other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between" vs. "directly between", "adjacent" vs. "directly adjacent", etc.). As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0052] As used herein, example embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as "at least one of..." modify the entire list of elements when following a list of elements, rather than modifying individual elements in the list. For example, the expression "at least one of a, b, and c" should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0053] The terms used herein are for the purpose of describing particular exemplary configurations only and are not intended to be limiting. As used herein, the singular articles "a", "an" and "the" may also be intended to include the plural forms, unless the context clearly indicates otherwise. The terms "comprising", "including" and "having" are inclusive and thus specify the presence of stated features, steps, operations, elements and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components and / or combinations thereof. The method steps, processes and operations described herein should not be construed as necessarily requiring them to be performed in the particular order discussed or illustrated, unless specifically identified as an order of performance. Additional or alternative steps may be employed.

[0054] As used herein, phrases such as "in one embodiment", "according to one embodiment", "in some embodiments", etc. generally refer to the fact that the particular feature, structure or characteristic following such phrase may be included in at least one embodiment of the present disclosure. Thus, a particular feature, structure or characteristic may be included in more than one embodiment of the present disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms "example", "exemplary", etc. are used "as an example, instance or illustration. Any embodiment, aspect or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or superior to other embodiments, aspects or designs. Instead, the use of the terms "example", "exemplary", etc. is intended to present concepts in a concrete manner.

[0055] In the description of the embodiments of the present invention, unless otherwise clearly defined and limited, the terms "mounted", "connected" and "coupled" shall be construed broadly. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention may be understood according to specific circumstances.

[0056] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, terms such as "first", "second" and other numerical terms used herein do not imply an order or sequence, unless the context clearly indicates otherwise. Thus, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer or section discussed above may be referred to as the second element, component, region, layer or section.

[0057] Spatially relative terms, such as "inner", "outer", "beneath", "below", "lower", "above", "upper", etc., may be used herein for ease of description to describe the relationship of one element or feature to another element or feature as illustrated in the figures. In addition to the orientation depicted in the figures, spatially relative terms are intended to encompass different orientations of the device in use or operation. For example, if the device in the figures is turned over, an element described as "beneath" or "below" other elements or features will be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an above and a below orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein are to be interpreted accordingly.

[0058] In the foregoing discussion, unless otherwise specified, when used to describe a numerical value, terms such as "about", "approximately", "substantially", etc. mean a variation of + / − 10% of that value.

[0059] Inspired by the above-described ideal embodiments of the present invention, through the above description, relevant workers can, without departing from the technical idea of the present invention, make various changes and modifications. The technical scope of the present invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An electric control valve for solvents, comprising: Valve body (1), on which there are two pipe orifices (11), and a linkage mechanism (A) is provided at each of the pipe orifices (11), characterized in that, The linkage mechanism (A) includes: An adapter (2), arranged inside the pipe orifice (11), on which a water pipe (12) is adapted to be inserted; An elastic limiting component (3), which includes: a force-bearing ring (31) and a limiting member (32), the force-bearing ring (31) is sleeved around the periphery of the pipe orifice (11), the outer end (321) of the limiting member (32) abuts against the force-bearing ring (31), and the inner end (322) is inserted into the pipe orifice (11) to clamp the adapter (2); where When disassembling the adapter (2), by rotating the force-bearing ring (31), the limiting member (32) is moved upward to release the limitation on the adapter (2); and When tightening the end cap (4), the end cap (4) is connected to the pipe orifice (11) to push the force-bearing ring (31) to move axially, and at the same time the force-bearing ring (31) pushes the limiting member (32) to move radially so that the inner end (322) of the limiting member (32) abuts tightly against the water pipe (12).

2. The electric control valve for solvent according to claim 1, characterized in that, A guiding groove (311) is provided on the inner wall of the force-bearing ring (31); where A first spring (33) is sleeved around the periphery of the limiting member (32), and the first spring (33) pushes the outer end (321) of the limiting member (32) to extend into the guiding groove (311) and abut against the force-bearing ring (31).

3. The electric control valve for solvent according to claim 2, characterized in that, The guiding groove (311) includes: an axial section (311a) and a circumferential section (311b); where The outer end (321) of the limiting member (32) is located in the axial section (311a), and the inner end (322) clamps the adapter (2); When disassembling the adapter (2), by rotating the force-bearing ring (31), the outer end (321) is moved to the circumferential section (311b), that is, by moving the limiting member (32) upward to release the limitation on the adapter (2).

4. The electric control valve for solvent according to claim 2, characterized in that, A first inclined surface (321a) is provided on the outer side wall of the outer end (321), and a second inclined surface (311c) is provided on the inner side wall of the axial section (311a); where When tightening the end cap (4), the force-bearing ring (31) pushes the first inclined surface (321a) of the limiting member (32) through the second inclined surface (311c), so that the limiting member (32) moves towards the adapter (2) to abut tightly against the water pipe (12).

5. The electric control valve for solvent according to claim 4, characterized in that, The inner side wall of the outer end (321) is a first straight surface (321b), and the inner side wall of the axial section (311a) is a second straight surface (311d); where A second spring (34) is sleeved around the periphery of the pipe orifice (11), and the second spring (34) pushes the force-receiving ring (31) to move away from the pipe orifice (11), and the outer end portion (321) abuts against the second straight surface (311d) of the force-receiving ring (31) through the first straight surface (321b) for limiting.

6. The electric control valve for solvent according to claim 5, wherein A clamping ring (22) protruding from the side wall is provided at the clamping end (21) of the adapter (2); wherein The inner end portion (322) is located outside the clamping ring (22) to clamp the adapter (2).

7. The electric control valve for solvent according to claim 6, wherein An installation hole (13) is radially formed in the side wall of the pipe orifice (11); The limiting member (32) is arranged in the installation hole (13), and the inner end portion (322) extends into the pipe orifice (11); An annular boss (323) is provided on the side wall of the limiting member (32); Wherein, one end of the first spring (33) abuts against the annular boss (323), and the other end abuts against the installation hole (13).

8. A regulating method for an electric control valve for solvents as described in claim 1, characterized in that, Comprising: The adapter (2) is arranged in the pipe orifice (11) to plug the water pipe (12); The adapter (2) is clamped by the limiting member (32) of the elastic limiting assembly (3); The limit on the adapter (2) is released by rotating the force-receiving ring (31) of the elastic limiting assembly (3); The limiting member (32) of the elastic limiting assembly (3) is tightened against the water pipe (12) by tightening the end cap (4).

9. The adjustment method of the electric control valve for solvent according to claim 8, wherein The guiding groove (311) includes: an axial section (311a); wherein A first spring (33) is sleeved around the periphery of the limiting member (32), and the first spring (33) pushes the outer end portion (321) of the limiting member (32) to extend into the axial section (311a) and abut against the force-receiving ring (31); A first inclined surface (321a) is provided on the outer side wall of the outer end portion (321), and a second inclined surface (311c) is provided on the inner side wall of the outer side of the axial section (311a); When the end cap (4) is tightened, the force-receiving ring (31) pushes the first inclined surface (321a) of the limiting member (32) through the second inclined surface (311c), so that the limiting member (32) moves towards the adapter (2) to tightly press against the water pipe (12).

10. The adjustment method of the electric control valve for solvent according to claim 9, wherein The guiding groove (311) further includes: a circumferential section (311b); wherein When the adapter (2) is disassembled, the outer end portion (321) is moved to the circumferential section (311b) by rotating the force-receiving ring (31) to release the limit on the adapter (2).

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