CN211315298U - Water separator - Google Patents

Abstract

The utility model belongs to the technical field of flow adjusting devices, in particular to a water separator; the water separator comprises a water separator main body and a linear adjusting mechanism which is detachably arranged on the water separator main body; the linear adjusting mechanism comprises a flow control assembly and a stroke control assembly; the flow control assembly comprises a valve core, a valve sleeve and an elastic element, the valve sleeve is nested in the connecting pipe, the valve core is positioned in the valve sleeve, and a sealing structure is arranged between the valve core and the valve sleeve; the elastic element is used for providing upward elastic thrust for the valve core; the stroke control assembly comprises a shell which is detachably arranged on the connecting pipe orifice and a linear adjusting cam which is rotatably arranged in the shell, and the upper end of the valve core is abutted with the rim of the linear adjusting cam; the utility model discloses can solve current water knockout drum and adjust the precision low when carrying out flow control, adjust the big problem of the operation degree of difficulty.

Description

Water separator

Technical Field

The utility model belongs to the technical field of flow control device, especially, relate to a water knockout drum.

Background

The water dividing and collecting device is a device for connecting a main heating water supply pipe and a water return pipe in a ground heating system and is divided into a water divider and a water collecting device. The water distributor is a water distribution device which is used for connecting water supply pipes of all heating pipes in the water system, and the water collector is a water collection device which is used for connecting water return pipes of all heating pipes in the water system.

The existing standard water distributor-collector is provided with a stop valve as a flow regulating valve in each branch so as to realize the flow regulating function, but the existing stop valve has great disadvantages when the flow is regulated, and the existing standard water distributor-collector mainly has the following points: (1) because the user can only rotate and adjust the existing stop valve according to the size direction on the knob in the adjusting process, the user is difficult to know the existing flow state, and the user often needs to adjust the flow through the stop valve for many times in order to adjust the indoor temperature, which is troublesome; (2) the existing stop valve mostly presents quick-opening type adjustment and is difficult to pass the flow adjustment performance test specified by the national standard. As shown in fig. 1, a typical cut-off valve regulated water distributor-collector flow is plotted against valve opening, and when the valve is opened to 50%, the flow has increased to about 90% of the maximum flow when the valve is fully opened. The customer often slightly rotates the adjusting knob at the initial stage of the actual adjusting process, which causes great change of the flow, while at the later stage of the actual adjusting process, although the adjusting knob is rotated more, the flow change is very small, which causes the adjusting precision of the whole adjusting process to be reduced and the adjusting operation difficulty to be great; (3) the existing flow regulating valve does not have a flow coefficient display function, a customer can only start to regulate from a fully closed or fully opened state, the regulation is inaccurate and can be very blind, and the confusion of the customer is caused.

Disclosure of Invention

In view of this, the utility model aims at providing a water knockout drum to it is low to solve current water knockout drum and adjust the precision when carrying out flow control, adjusts the big problem of the operation degree of difficulty.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a water separator comprises a water separator main body, wherein the water separator main body comprises a water separator main pipeline and a plurality of water separator branch pipelines, the water separator main pipeline is communicated with the water separator branch pipelines, and the water separator also comprises a linear adjusting mechanism which is detachably arranged on the water separator main body; a plurality of connecting pipe orifices aligned with the branch pipes of the water separator one by one are arranged on the main pipe of the water separator, and a linear adjusting mechanism is arranged at each connecting pipe orifice; the linear adjusting mechanism comprises a flow control assembly and a stroke control assembly; the flow control assembly comprises a valve core, a valve sleeve and an elastic element, the valve sleeve is nested in the connecting pipe, the valve core is positioned in the valve sleeve, and a sealing structure is arranged between the valve core and the valve sleeve; the elastic element is used for providing upward elastic thrust for the valve core; the stroke control assembly comprises a shell which is detachably arranged on the connecting pipe orifice and a linear adjusting cam which is rotatably arranged in the shell, wherein the upper end of the valve core is abutted with the rim of the linear adjusting cam.

Furthermore, the valve core is of a split structure and comprises a push rod and a valve rod, and the push rod and the valve rod are positioned in the valve sleeve; the push rod is provided with a butt joint end, a sealing section and a pushing end from top to bottom in sequence, wherein a sealing structure between the valve core and the valve sleeve is arranged on the sealing section; the upper end of the rod body of the valve rod is a connecting end, the lower end of the rod body is a valve clack, a sealing ring is sleeved outside the valve clack, and the abutting end abuts against the rim of the linear adjusting cam and the pushing end abuts against the connecting end.

Furthermore, the elastic element is a spring, the spring is sleeved on the rod body, and the spring is squeezed between the connecting end and the lower end face of the valve sleeve.

Furthermore, the shell is of a split structure, the shell comprises a front cover and a rear cover which are detachably assembled together, the lower end of the rear cover extends to form a lower connecting sleeve, and the lower end of the lower connecting sleeve is detachably connected to the opening of the connecting pipe.

Furthermore, the linear adjusting cam drives the linear adjusting cam to rotate through a worm gear assembly arranged in the shell, a worm in the worm gear assembly penetrates through the shell, a connecting shaft is fixedly connected to the center point of a wheel face on one side of the worm gear, the connecting shaft penetrates through the shell, and the other side of the worm gear and the linear adjusting cam are detachably connected together.

Furthermore, a plurality of transmission protrusions are arranged on the wheel surface on one side of the worm wheel, a plurality of transmission grooves are arranged on the wheel surface on one side of the linear adjusting cam, the transmission protrusions correspond to the transmission grooves one to one, and the transmission protrusions are nested in the corresponding transmission grooves.

Furthermore, the shape and the size of each transmission protrusion are different, and the shape and the size of each transmission groove are different.

Further, in the worm gear assembly, the lead angle of the worm is smaller than the equivalent friction angle between the teeth of the worm gear and the meshing wheel.

Furthermore, a pointer is installed at the outer end of the connecting shaft, a dial plate is arranged on the outer surface of the shell, and the connecting shaft penetrates through the center of the dial plate.

Compared with the prior art, the utility model discloses following advantage has:

the water knockout drum, can realize dividing the linear regulation of the flow of water knockout drum, it is low to have solved current water knockout drum and adjust the precision when carrying out flow control, adjusts the big problem of the operation degree of difficulty.

The water knockout drum, have flow synchronization display function, can realize dividing the visual regulation of trace of water knockout drum flow, can grasp the flow variation fast accurately when adjusting, it is more convenient, directly perceived to operate.

Water knockout drum, adopted the worm gear mechanism that has self-locking function at its operation end, adjust required flow stop operation back when the user, stroke control subassembly can automatic locking, can not cause the flow control unstability because of external interference and influence, has very high regulation stability.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a graph of the correlation between the flow rate and the valve opening degree in the water collecting and distributing device in the background art;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is a cross-sectional view at section A of FIG. 3;

FIG. 5 is a schematic view of the mounting arrangement of the flow control assembly on the diverter body;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a cross-sectional view at section B of FIG. 6;

FIG. 8 is an external schematic of a stroke control module;

FIG. 9 is a schematic view of the internal structure of the stroke control assembly;

FIG. 10 is a schematic view of the connection between the worm and gear assembly, the linear adjustment cam and the push rod;

FIG. 11 is a schematic view showing a connection structure of a worm wheel and a linear adjustment cam;

FIG. 12 is a schematic view of a linear adjustment cam;

FIG. 13 is a schematic view of a worm gear;

FIG. 14 is a schematic design diagram of a linear adjustment cam;

fig. 15 is a design outline diagram of the linear adjustment cam of the present invention.

Description of reference numerals:

1-a water separator body; 11-main pipeline of water separator; 111-connecting the pipe orifice; 12-branch pipes of the water separator; 2-a flow control assembly; 21-a valve core; 211-a push rod; 2111-an abutting end; 2112-seal section; 2113-push end; 212-a valve stem; 2121-connecting end; 2122-rod body; 2123-valve flap; 22-a valve housing; 23-a spring; 24-a sealing ring; 3-a stroke control component; 31-a housing; 311-front cover; 3111-dial plate; 312-a rear cover; 313-lower connecting sleeve; 314-a limiting groove; 32-a worm gear assembly; 321-a worm; 3211-knob; 3212-limit convex ring; 322-a worm gear; 3221-connecting shaft; 3222-a drive lobe; 33-a linear adjustment cam; 331-a guide groove; 332-a drive groove; 34-pointer.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 15, a water knockout drum comprises a water knockout drum main body 1, wherein the water knockout drum main body 1 comprises a water knockout drum main pipe 11 and a plurality of water knockout drum branch pipes 12, the water knockout drum main pipe 11 is communicated with the water knockout drum branch pipes 12, and the water knockout drum also comprises a linear adjusting mechanism which is detachably mounted on the water knockout drum main body 1; the linear adjusting mechanism is used for adjusting the flow of each water knockout vessel branch pipe 12 and achieving the purpose of linear flow adjustment.

Wherein, a plurality of connecting pipe orifices 111 aligned with the branch pipes 12 of the water knockout vessel are provided on the main pipe 11 of the water knockout vessel, and a linear adjusting mechanism (as shown in fig. 2 and fig. 3) is installed at each connecting pipe orifice 111, so as to control the flow of the branch pipes 12 of the water knockout vessel at the position individually. The linear adjustment mechanism includes a flow control assembly 2 and a stroke control assembly 3, each of which is described below.

As shown in fig. 6 and 7, the flow control assembly 2 includes a valve core 21, a valve sleeve 22 and an elastic element, the valve sleeve 22 is a sleeve-shaped structure, the valve sleeve 22 is nested in the connecting pipe orifice 111, the two are in interference fit, preferably, a sealing ring 24 is further provided between the two, the valve core 21 is located in the valve sleeve 22, and a sealing structure is provided between the valve core 21 and the valve sleeve 22.

The valve core 21 is of a split structure, the valve core 21 comprises a push rod 211 and a valve rod 212, and the push rod 211 and the valve rod 212 are positioned in the valve sleeve 22; the valve core 21 is of a split structure, and the main reason is to reduce the friction force between the valve core 21 and the inner wall of the valve sleeve 22, so as to avoid the problem of increased friction force caused by the difference of the upper and lower processing precision.

The push rod 211 is sequentially provided with a butting end 2111, a sealing section 2112 and a pushing end 2113 from top to bottom, wherein a sealing structure between the valve core 21 and the valve sleeve 22 is arranged on the sealing section 2112; in this embodiment, the sealing structure is a sealing ring 24 made of rubber material, which has a good sealing effect.

The upper end of the rod body 2122 of the valve rod 212 is a connecting end 2121, the lower end of the rod body 2122 is a valve flap 2123, the sealing ring 24 is sleeved outside the valve flap 2123, the abutting end 2111 abuts against the rim of the linear adjusting cam 33, and the pushing end 2113 abuts against the connecting end 2121. Preferably, in order to make the pushing end 2113 and the connecting end 2121 in good contact, the lower end surface of the pushing end 2113 is provided with a tapered protrusion protruding downward, and the upper end surface of the connecting end 2121 of the valve stem 212 is provided with a tapered recess matching with the tapered protrusion.

The elastic element is used for providing upward elastic thrust for the valve core 21, and any elastic component capable of achieving the function can be adopted, and the elastic element in the embodiment adopts the spring 23, and the specific installation mode is as follows: the lower port of the valve housing 22 is provided as a semi-closed opening, the lower end of the valve stem 212 penetrates through the lower port of the valve housing 22, the spring 23 is fitted over the rod body 2122, and the spring 23 is compressed between the connection end 2121 and the lower end surface of the valve housing 22.

The stroke control assembly 3 includes a housing 31 detachably mounted on the connection nozzle 111 and a linear adjustment cam 33 rotatably mounted in the housing 31, and an upper end of the spool 21 abuts against a rim of the linear adjustment cam 33 by an elastic member. Because the valve core 21 is acted by the upward elastic force of the spring 23, the abutting end 2111 and the rim of the linear adjusting cam 33 can be always in good contact, and under the combined action of the linear adjusting cam 33 and the spring 23, the valve core 21 can move up and down along the axial direction in the valve sleeve 22, so that the purpose of adjusting the opening degree of the valve to adjust the flow is achieved.

As shown in fig. 4, 9 and 10, specifically, the linear adjustment cam 33 is driven to rotate by a worm wheel 322 and worm 321 assembly 32 installed in the housing 31, a worm 321 in the worm wheel 322 and worm 321 assembly 32 penetrates through the housing 31, and the upper end of the worm is provided with a knob 3211, an anti-slip convex strip is arranged on the outer surface of the knob 3211 to facilitate rotation of the knob 3211, a connecting shaft 3221 is fixedly connected to a central point of a wheel surface on one side of the worm wheel 322, the connecting shaft 3221 penetrates through the housing 31, the other side of the worm wheel 322 is detachably connected with the linear adjustment cam 33, and the linear adjustment cam 33 can rotate around a rotating shaft fixed on the housing 31 under the driving of the worm.

As shown in fig. 11 to 13, in the present embodiment, the connection structure between the worm wheel 322 and the linear adjustment cam 33 is: a plurality of transmission protrusions 3222 are arranged on the wheel surface on one side of the worm wheel 322, a plurality of transmission grooves 332 are arranged on the wheel surface on one side of the linear adjusting cam 33, the transmission protrusions 3222 correspond to the transmission grooves 332 one to one, and the transmission protrusions 3222 are nested in the corresponding transmission grooves 332. By arranging the transmission protrusion 3222 and the transmission groove 332, when the worm wheel 322 rotates, the torque is accurately transmitted to the linear adjustment cam 33 through the matching of the transmission groove 332 and the transmission protrusion 3222, so that the linear adjustment cam 33 and the worm wheel 322 rotate synchronously.

Preferably, each of the driving protrusions 3222 has a different shape and size, and each of the driving grooves 332 has a different shape and size. In this embodiment, two transmission protrusions 3222 and two transmission grooves 332 are respectively provided, the two transmission protrusions 3222 are respectively a large protrusion and a small protrusion, the two transmission grooves 332 are respectively a large groove and a small groove, during installation, the large groove corresponds to the large protrusion, and the small groove corresponds to the small protrusion.

Preferably, a limit convex ring 3212 is arranged on the worm 321, and the limit convex ring 3212 is matched with a limit groove 314 arranged in the housing 31 to axially limit the worm 321; the guide groove 331 is formed in the rim of the linear adjusting cam 33, the upper end of the valve core 21 is located in the guide groove 331, and the guide limiting effect is achieved, so that the upper end of the valve core 21 is well abutted to the rim of the linear adjusting cam 33, and the end of the abutting end 2111 of the push rod 211 is hemispherical, so that the linear adjusting cam can be conveniently matched with the guide groove 331 and the friction between the linear adjusting cam and the guide groove 331 is reduced.

Preferably, in the worm wheel 322 and worm 321 assembly 32, the lead angle of the worm 321 is smaller than the equivalent friction angle between the meshing wheel teeth of the worm wheel 322 and the worm 321, so that the worm wheel 322 and the worm 321 assembly 32 have self-locking performance, and can realize reverse self-locking, that is, only the worm 321 can drive the worm wheel 322, but not the worm wheel 322 can drive the worm 321, so that after the user adjusts to the required flow rate and stops the operation, the stroke control assembly 3 can be automatically locked, unstable flow rate control due to external interference and influence is avoided, and high adjustment stability is achieved.

For convenience of installation and maintenance, it is preferable that the housing 31 is provided in a split structure, the housing 31 includes a front cover 311 and a rear cover 312 detachably assembled together by screws, a lower end of the rear cover 312 extends to form a lower connection sleeve 313, and the lower connection sleeve 313 is screwed on the connection pipe opening 111 by a screw connection.

Further, an outer end of the connecting shaft 3221 is provided with a pointer 34, an outer surface of the front cover 311 is provided with a dial 3111, and the connecting shaft 3221 penetrates through a center of the dial 3111 (as shown in fig. 8). The pointer 34 is driven by the worm wheel 322 to rotate, so as to rotate synchronously with the linear adjusting cam 33, and when the linear adjusting cam 33 rotates to different positions (corresponding to different valve opening degrees), the linear adjusting cam just corresponds to corresponding flow scales on the dial 3111, so as to achieve the purpose of indicating the flow. It is thus clear, because of the utility model discloses have the flow synchronization display function, can realize dividing the visual regulation of trace of hydrophone flow, can master the flow variation fast accurately when adjusting, it is more convenient, directly perceived to operate.

Use during the water knockout drum, water gets into with certain pressure by water knockout drum trunk line 11, shunt in water knockout drum main part 1, separately flow to each pipeline by water knockout drum lateral conduit 12, when needing to adjust each water knockout drum lateral conduit 12 flow, twist knob 3211, worm 321 drives worm wheel 322 and rotates, further drive linear adjustment cam 33 synchronous rotation, pivoted linear adjustment cam 33 rim promotes push rod 211 downstream, push rod 211 further promotes valve rod 212, valve clack 2123 of valve rod 212 lower extreme removes thereupon, under the combined action of linear adjustment cam 33 and spring 23, case 21 reciprocates along the axial in valve barrel 22, along with valve clack 2123 changes at water knockout drum lateral conduit 12 mouth of pipe department position (valve aperture changes promptly), the flow of water knockout drum lateral conduit 12 is along with changing, reach the mesh of regulation flow.

A method of designing a linear adjustment cam 33 for use with the diverter, comprising the steps of:

the utility model discloses the linear adjustment mechanism who adopts is the improvement of making on current stop valve basis, consequently, in the design process, has adopted some parameters of current stop valve to calculate and design as known parameter.

Step A, obtaining a correlation curve (existing valve performance curve) of flow and valve opening by adopting an existing stop valve through experiments, wherein as shown in figure 1, the flow value and the valve opening are in one-to-one correspondence relationship;

step B, drawing a linear correlation curve of the flow and the valve opening, namely a target valve performance curve, in the same coordinate system of the correlation curve graph of the flow value and the valve opening, as shown in FIG. 14, wherein the existing valve performance curve and the target valve performance curve are respectively represented by a dotted line and a solid line;

step C, carrying out design calculation to obtain a design profile of the linear adjusting cam 33;

setting the moving stroke of the valve core 21 from full opening to full closing as L, which is a known parameter, setting the offset distance of the linear adjusting cam 33 as 0, obtaining the pushing stroke required by the linear adjusting cam 33 as L, setting the pushing stroke motion angle of the linear adjusting cam 33 as phi, and setting the base circle radius of the linear adjusting cam 33 as R, wherein R is not less than 0.6L, which is a known parameter; the radius of the linear adjustment cam 33 is set to r;

the profile of the linear adjustment cam 33 is divided into four consecutive segments, OB, BD, DE, EO; the valve core 21 is fully opened to fully closed, the linear adjusting cam 33 moves in one motion cycle, and the upper end of the valve core 21 moves along the rim of the linear adjusting cam 33 along the track of O → B → D → E; the upper end of the valve core 21 is not contacted with the EO section, the radius r of the EO section is not specifically required, and the radius r of the OB section, the BD section and the DE section are smoothly connected, wherein the calculation methods of the radius r of the OB section, the radius r of the BD section and the radius r of the DE section are respectively as follows:

OB section: the opening of the target valve performance curve is B%, the flow rate is Q1 (point B), and when the flow rate of the existing valve performance curve is Q1, the opening is a% (point a), and at this time, the motion stroke of the valve element 21 should be L × a%, so that the OB section profile should meet the requirement, and when the angle variation of the linear adjustment cam 33 is Φ × B%, the stroke variation of the valve element 21 is L × a%; the change rate of the radius r of the OB section is obtained as follows: per 1 degree of rotation, the radius r changes (L a%)/(Φ b%) mm;

and a BD segment: the opening of the target valve performance curve is D%, the flow rate is Q2 (point D), at this time, relative to the ratio B, the flow rate changes from Q2 to Q1, corresponding to the existing valve performance curve, the opening changes from point a by (B-a)% (point C), that is, the valve core 21 push change amount is L (B-a)%, the angle change amount of the linear adjustment cam 33 is Φ (D-B)%, and the change rate of the BD segment radius r is obtained as follows: the radius r changes [ L (b-a)% ]/Φ [ (d-b)% ]per1 degree of rotation;

section DE: the opening of the performance curve of the target valve is 100%, the flow rate is Q3 (point E), the flow rate reaches the maximum, the pushing change quantity of the valve core 21 is L-L a% -L (b-a)%, the angle change quantity of the linear adjusting cam 33 is phi-phi b% -phi (d-b)%, and the change rate of the radius r of the DE section is obtained as follows: the radius r changes [ L-L a% -L (b-a)% ]/[ Φ - Φ b% - Φ (d-b)% ] per 1 degree of rotation;

since the radius R at the starting point O of the profile of the linear adjustment cam 33 is equal to the base radius R, the profile of the linear adjustment cam 33 can be fitted according to the change rate of each segment of the radius R under the condition that R is known (as shown in fig. 15).

At the initial stage of the rotation process of the linear adjustment cam 33, according to the design of the shape of the linear adjustment cam 33, when the linear adjustment cam 33 rotates by a relatively small angle, the linear adjustment cam 33 can push the lower push rod 211 to move downwards by a relatively large distance, at the middle stage of the movement, the linear adjustment cam 33 rotates by a certain angle, so that the push rod 211 moves downwards by a relatively small distance, and at the end of the stroke, the linear adjustment cam 33 rotates by a small angle, so that the stroke of the downward movement of the push rod 211 is relatively large. The effect of linear flow regulation can be obtained through verification by the changed movement mode. It can be seen that the water knockout drum, can realize dividing the linear regulation of water knockout drum's flow, it is low to have solved current water knockout drum and adjust the precision when carrying out flow control, adjusts the big problem of the operation degree of difficulty.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a water knockout drum, includes water knockout drum main part (1), wherein, water knockout drum main part (1) includes water knockout drum trunk line (11) and a plurality of water knockout drum lateral conduit (12), and water knockout drum trunk line (11) and water knockout drum lateral conduit (12) intercommunication, its characterized in that: the linear adjusting mechanism is detachably arranged on the water distributor main body (1); a plurality of connecting pipe orifices (111) which are aligned with the branch pipes (12) of the water separator one by one are arranged on the main pipe (11) of the water separator, and a linear adjusting mechanism is arranged at each connecting pipe orifice (111);

the linear adjusting mechanism comprises a flow control assembly (2) and a stroke control assembly (3);

the flow control assembly (2) comprises a valve core (21), a valve sleeve (22) and an elastic element for providing upward elastic thrust for the valve core (21), the valve sleeve (22) is nested in the connecting pipe orifice (111), the valve core (21) is positioned in the valve sleeve (22), and a sealing structure is arranged between the valve core (21) and the valve sleeve (22);

the stroke control assembly (3) comprises a shell (31) which is detachably arranged on the connecting pipe orifice (111) and a linear adjusting cam (33) which is rotatably arranged in the shell (31), wherein the upper end of the valve core (21) is abutted with the rim of the linear adjusting cam (33).

2. The water separator of claim 1, wherein: the valve core (21) is of a split structure, the valve core (21) comprises a push rod (211) and a valve rod (212), and the push rod (211) and the valve rod (212) are positioned in the valve sleeve (22);

the push rod (211) sequentially comprises a butting end (2111), a sealing section (2112) and a pushing end (2113) from top to bottom, wherein a sealing structure between the valve core (21) and the valve sleeve (22) is arranged on the sealing section (2112); the upper end of a rod body (2122) of the valve rod (212) is a connecting end (2121), the lower end of the rod body (2122) is a valve clack (2123), a sealing ring (24) is sleeved outside the valve clack (2123), the abutting end (2111) is abutted against the rim of the linear adjusting cam (33), and the pushing end (2113) is abutted against the connecting end (2121).

3. The water separator of claim 2, wherein: the elastic element adopts a spring (23), the spring (23) is sleeved on the rod body (2122), and the spring (23) is squeezed between the connecting end (2121) and the lower end face of the valve sleeve (22).

4. The water separator of claim 1, wherein: the shell (31) is of a split structure, the shell (31) comprises a front cover (311) and a rear cover (312) which are detachably assembled together, the lower end of the rear cover (312) extends to form a lower connecting sleeve (313), and the lower end of the lower connecting sleeve (313) is detachably connected to the connecting pipe opening (111).

5. The water separator of any one of claims 1-4, wherein: the linear adjusting cam (33) is driven to rotate by a worm wheel (322) and worm (321) assembly (32) arranged in the shell (31), the worm (321) in the worm wheel (322) and worm (321) assembly (32) penetrates through the shell (31), a connecting shaft (3221) is fixedly connected to the central point of a wheel face on one side of the worm wheel (322), the connecting shaft (3221) penetrates through the shell of the shell (31), and the other side of the worm wheel (322) is detachably connected with the linear adjusting cam (33).

6. The water separator of claim 5, wherein: a plurality of transmission protrusions (3222) are arranged on the wheel surface on one side of the worm wheel (322), a plurality of transmission grooves (332) are arranged on the wheel surface on one side of the linear adjusting cam (33), the transmission protrusions (3222) are in one-to-one correspondence with the transmission grooves (332), and the transmission protrusions (3222) are nested in the corresponding transmission grooves (332).

7. The water separator of claim 6, wherein: the shape and the size of each transmission protrusion (3222) are different, and the shape and the size of each transmission groove (332) are different.

8. The water separator of claim 5, wherein: in the worm wheel (322) and worm (321) assembly (32), the lead angle of the worm (321) is smaller than the equivalent friction angle between the meshing wheel teeth of the worm wheel (322) and the worm (321).

9. The water separator of claim 5, wherein: the outer end of the connecting shaft (3221) is provided with a pointer (34), the outer surface of the shell (31) is provided with a dial (3111), and the connecting shaft (3221) penetrates through the center of the dial (3111).

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