CN220816706U - Electric valve - Google Patents

Abstract

The utility model provides an electric valve, including valve part, valve body and case, the valve body has the valve chamber, and the case is located the valve chamber, and the case is globular or spheroid, and the case has the passageway, and valve part and case transmission are connected, and valve part includes the connecting seat, and the connecting seat includes first main part and first flange portion, and first flange portion radially protrudes to the outside along first main part relatively, and the valve body includes first step face, first flange portion and first step face butt, and the valve body passes through buckle connection or passes through bolted connection or passes through jump ring connection with first flange portion. According to the electric valve, the valve body is connected with the connecting seat through the buckle or the bolt or the clamp spring, so that the height of the valve body can be reduced to a large extent, the height of the electric valve is reduced, the material consumption of the valve body is reduced, and the product cost is reduced.

Description

Electric valve

Technical Field

The application relates to the technical field of valves, in particular to an electric valve applied to an air conditioning system.

Background

The electric valve generally comprises a driving part, a valve component, a valve body component, a valve core and other components, wherein the valve core is positioned in a valve body cavity formed by the valve body component, and the valve component drives the valve core to rotate under the driving of the driving part, so that the functions of switching on and off fluid or regulating flow are achieved. The size requirements of products are increasing, and how to miniaturize the products is a technical problem.

Disclosure of utility model

The application aims to provide an electric valve, which reduces the axial height of the electric valve so as to be beneficial to miniaturization of products.

In order to achieve the above purpose, the application adopts the following technical scheme:

The utility model provides an electric valve, includes valve part, valve body and case, the valve body has the valve body chamber, the case is located the valve body chamber, the case is globular or spheroid, the case has the passageway, the valve part with the case transmission is connected, the valve part includes the connecting seat, the connecting seat includes first main part portion and first flange portion, first flange portion outwards extends the salient outside from relative the periphery of first main part lateral wall along radial direction, the valve body includes first step face, first step face is followed the radial setting of electric valve, first flange portion with first step face butt, the valve body with first flange portion connecting seat is through buckle connection or through bolted connection or through jump ring connection.

Compared with the electric valve provided by the embodiment of the application, the valve body and the connecting seat are connected through the buckle or the bolt or the snap spring, and compared with the valve part and the valve body which are fixed with the valve body through the compression nut, the electric valve can reduce the height of the valve body, thereby reducing the height of the electric valve, being beneficial to miniaturization of products, and in addition, the material consumption of the valve body can be reduced and the product cost can be reduced due to the reduction of the height of the valve body.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment of an electrically operated valve;

FIG. 2 is a schematic cross-sectional view of the electrically operated valve of FIG. 1;

FIG. 3 is a schematic perspective view of the valve assembly of FIG. 2;

FIG. 4 is a schematic perspective view of the connecting base shown in FIG. 2;

FIG. 5 is a schematic perspective view of the valve member of FIG. 2 connected to a valve body assembly;

FIG. 6 is a top view of the structure shown in FIG. 5;

fig. 7 is a schematic view of the valve body structure before the fastening part is not bent;

FIG. 8 is a schematic cross-sectional view of the valve body of FIG. 7;

FIG. 9 is a schematic cross-sectional view of a second embodiment of an electrically operated valve;

FIG. 10 is a schematic cross-sectional view of a third embodiment of an electrically operated valve;

fig. 11 is a schematic perspective view of the valve body of fig. 10.

Detailed Description

The present utility model will be further described with reference to the drawings and the specific embodiments, and in the description herein, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or relationships illustrated in the drawings, are merely for convenience in describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The electric valve is used to control the on-off of a flow path and/or adjust the flow rate in an air conditioning system, and is a first embodiment of the electric valve 100, see fig. 1-8. The electric valve 100 comprises a driving part 1, a valve component 2, a valve body component 3 and a valve core 4, wherein the valve body component 3 comprises a valve body 31, the valve body 31 is provided with a valve cavity 310, the valve component 2 comprises an output shaft 21, the valve core 4 is positioned in the valve cavity 310, the valve component 2 is in transmission connection with the valve core 4 through the output shaft 21, the valve component 2 is fixedly connected with the valve body component 3, the driving part 1 is positioned on the periphery of part of the valve component 2, the driving part 1 is fixedly connected with the valve body component 3, and the electric valve 100 is electrically connected and/or in signal connection with the outside through the driving part 2. The valve core 4 is spherical or spheroid, and in this embodiment, the valve core 4 is cylindrical.

The driving part 1 includes an outer housing 11, a stator assembly 12, a circuit board 13, an interface part 14, a first pin 15 and a second pin 16, and the outer housing 11 and the housing of the interface part 14 may be integrally injection molded or fixed by assembly connection, in this embodiment, the outer housing 11 and the housing of the interface part 14 are integrally injection molded. The outer housing 11 is formed with a housing cavity 110, the stator assembly 12 and the circuit board 13 are located in the housing cavity 110, the stator assembly 12 is located at the outer periphery of the partial valve member 2, one end of the first pin 15 is electrically and/or signal connected with the stator assembly 12, and the other end of the first pin 15 is electrically and/or signal connected with the circuit board 13. The second pin 16 is fixedly connected to the interface 14, specifically, in this embodiment, a middle portion of the second pin 16 is injection-molded with a housing of the interface 14, one end of the second pin 16 is located in the housing cavity 110 and is electrically connected and/or signal-connected to the circuit board 13, and the other end of the second pin 16 is located in a socket cavity 140 formed by the interface 14 and is used for electrically and/or signal connection with the outside. In the present embodiment, the outer casing 11 of the driving part 1 and the valve body 31 are connected and fixed by the screw 5, and of course, as another embodiment, the outer casing 11 and the valve body 31 may be connected and fixed by welding, adhesive, or a fastener in a conventional manner which will be easily understood by those skilled in the art. Further, a sealing structure is further provided between the driving part 1 and the valve body 31, which is beneficial to preventing moisture or other impurities in the external air from entering the housing cavity 110 to contact with the stator assembly 12 or the circuit board 13, so as to avoid corrosion or failure of the stator assembly 12 or the circuit board 13.

The valve member 2 further comprises a rotor assembly 22, a transmission 23, a connection seat 24 and a sleeve 25, at least part of the sleeve 25 being located between the rotor assembly 22 and the stator assembly 12, functioning to isolate the rotor assembly 22 from the stator assembly 12. The sleeve 25 is fixedly connected with the connecting seat 24, in this embodiment, the sleeve 25 is fixedly welded with the connecting seat 24, the sleeve 25 and the connecting seat 24 are assembled to form a containing cavity, the rotor assembly 22 and at least part of the transmission mechanism 23 are located in the containing cavity, the rotor assembly 22 is located at the periphery of part of the transmission mechanism 23, and part of the transmission mechanism 23 is located in the rotor cavity 220 formed by the rotor assembly 22, so that the axial height of the electric valve 100 is reduced. The transmission mechanism 23 is in transmission connection with the output shaft 21, and the output shaft 21 is in transmission connection with the valve core 4. The valve cartridge 4 has a passage 41 through the valve cartridge 4, and the valve body 4 includes at least two flow-through passages 312,313. With the rotation of the valve core 4, the channel 41 of the valve core 4 may be completely or partially communicated with the circulation channels 312 and 313 of the valve body 4, or may not be communicated with the circulation channels 312 and 313, so as to realize on-off control of the electric valve 100 on the fluid and/or adjust the flow. In the present embodiment, the electric valve 100 is a two-way valve, and the number of the flow channels is two, but as other embodiments, the electric valve 100 may be a three-way valve, a four-way valve, or other multi-way valves, that is, the number of the flow channels of the valve body 4 is three, four, or the like, and two or more of the flow channels can be communicated by rotating the valve body 4, thereby realizing the flow channel switching control of the electric valve 100 for the fluid.

Referring to fig. 5 and 6, to reduce the axial height of the valve body assembly 3, the valve member 2 is snap-coupled to the valve body assembly 3. Referring to fig. 4, the connection seat 24 includes a first main body portion 241 and a first flange portion 242, and the first flange portion 242 protrudes radially outward relative to the first main body portion 241. Referring to fig. 2, 7 and 8, the valve body 31 includes an opening 311, the opening 311 forms an opening cavity 3110, the opening 311 is located at an end of the valve body 31 near the driving section 1, and the opening cavity 3110 communicates with the valve body cavity 310 in terms of individual components of the valve body 4. The opening 311 includes a first step surface 3111 and a first side wall 3112, the first side wall 3112 is provided along the axial direction of the motor-operated valve 100, the first step surface 3111 is provided along the radial direction of the motor-operated valve 100, the first side wall 3112 is connected to the first step surface 3111, the first step surface 3111 is provided at an angle of substantially 90 degrees to the first side wall 3112, and the first side wall 3112 is provided closer to the opening of the opening chamber 3110 than the first step surface 3111 is. One end surface of the first flange 242 of the connection seat 24 abuts against the first step surface 3111, specifically in this embodiment, a lower end surface of the first flange 242 abuts against the first step surface 3111, the first side wall 3112 is in clearance fit with the side wall surface of the first flange 242, and at least a portion of the first side wall 3112 is greater than the first flange 242 in the axial direction of the electric valve 100. The valve body 31 includes at least three or more fastening portions 3112b, and a part of the fastening portions 3112b is connected to the valve body 31 and another part of the fastening portions 3112b is pressed against an end surface of the first flange 242 away from the first step surface 3111. Specifically, the first side wall 3112 includes a second body portion 3112a and a fastening portion 3112b, where a portion of the fastening portion 3112b is connected to the second body portion 3112a, specifically, a lower end portion in this embodiment, and another portion of the fastening portion 3112b is bent and pressed against an upper end surface of the first flange portion 242. The number of the fastening portions 3112b of the present embodiment is 4, and the fastening portions 3112b are located at the upper end of the second body portion 3112a and are circumferentially distributed along the second body portion 3112 a.

Referring to fig. 4, the connecting seat 24 further includes positioning portions 243, the positioning portions 243 protrude outwardly from the outer peripheral wall of the first flange portion 242, the number of the positioning portions 243 is 2 or more, and the positioning portions 243 are used for positioning in cooperation with the valve body 31. Referring to fig. 7, the first side wall 3112 has engaging portions 3112c, the number of engaging portions 3112c is equal to that of the positioning portions 243, the engaging portions 3112c are distributed along the first side wall 3112, the engaging portions 3112c are engaged with the positioning portions 243, and the engaging portions 3112c are recessed from the inner wall of the first side wall 3112 toward the outer wall side of the first side wall 3112. It is understood that the positioning portion 243 may be recessed inward from the outer peripheral wall of the first flange portion 242, and the corresponding engaging portion 3112c may protrude from the inner wall of the first side wall 3112 toward the outer wall side away from the first side wall 3112.

As shown in fig. 7, the non-bending fastening portion 3112b may be formed by machining a wall portion protruding in the axial direction and having a uniform height in the valve body 31, cutting the wall portion to obtain the non-bending fastening portion 3112b, machining the wall portion to form the fitting portion 3112c, and then fixing the remaining portion of the wall portion, that is, the second body portion 3112a, to the rotor assembly 22, the transmission mechanism 23, the connection seat 24, and the sleeve 25 to form the valve member 2 shown in fig. 3, the valve member 2 is assembled to the valve body 3, the positioning portion 243 is fitted to the fitting portion 3112c, the fastening portion 3112b is bent and fixed toward the first flange portion 242 of the connection seat 24, and the fixed connection between the valve member 2 and the valve body assembly 3 is achieved by the fastening portions 3112b, and the driving portion 1 is pressed from the upper end of the valve member 2 and is connected to the valve body assembly 4 by the screw 5. Compared with the mode of tapping on the first side wall, which is known by the inventor, the valve component and the valve body component are fixed with the first side wall through the pressing nut in a threaded manner, and the embodiment is fixed through the fastening connection, so that the height of the first side wall 3112 can be reduced to a greater extent, the height of the valve body component 3 is reduced, materials are reduced, and the product cost is reduced. In this embodiment, the positioning portions 243 on two sides of the connecting seat 24 replace the positioning pins, so that the positioning structure is simplified, and the assembly is more convenient.

Referring to fig. 9, a second embodiment of an electrically operated valve 100 is shown. Unlike the previous embodiment shown in fig. 1 to 8, the valve member 2 and the valve body 31 are fixed by the bolts 6 in this embodiment. The bolts 6 are hexagon socket head cap bolts, the number of the bolts 6 is 2 or more, the bolts 6 are arranged along the axial direction of the electric valve 100, a part of the bolts 6 is positioned in the valve body 31, the rest of the bolts 6 are positioned in the first flange portion 242 of the connecting seat, the bolts 6 comprise heads 61, and the heads 61 do not protrude from the surface of the first flange portion 242 relatively far from the first step surface 3111, namely, the upper end surface of the first flange portion 242. The connection by the bolts 6 requires at least two bolts to be added compared to the snap connection of the previous embodiment, which is more costly than the previous embodiment. Compared with the mode of tapping the first side wall by the inventor, the valve component and the valve body component are fixed with the first side wall by the screw thread of the compression nut, so that the height of the valve body component can be reduced to a certain extent, the valve body material consumption is reduced, and the product cost is reduced.

Referring to fig. 10-11, a third embodiment of an electrically operated valve 100 is shown. Unlike the first embodiment shown in fig. 1 to 8, the valve member 2 and the valve body 31 are fixed by the snap spring 7 in this embodiment. The valve body 31 has a mounting groove 3112d, the mounting groove 3112d is disposed along the motor valve radial direction, the mounting groove 3112d is recessed with respect to the first side wall 3112, the mounting groove 3112d has an opening at the first side wall 3112, and the clip 7 is at least partially located in the mounting groove 3112 d. The clip 7 abuts against a surface of the first flange 242 of the connecting seat 24 away from the first stepped surface 3111, and the valve member 2 and the valve body 3 are fixed by the clip 7. Compared with the snap connection of the first embodiment, the assembly process of fixing through the snap springs 7 is simple, but the cost is higher than that of the first embodiment due to the need of arranging the mounting grooves and adding the snap springs. Compared with the mode of tapping the first side wall by the inventor, the valve component and the valve body component are fixed with the first side wall by the screw thread of the compression nut, so that the height of the valve body component can be reduced to a certain extent, the valve body material consumption is reduced, and the product cost is reduced.

It should be noted that: although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the present utility model may be modified or equivalent thereto without departing from the spirit and scope of the utility model, and all such modifications and improvements thereof are intended to be included within the scope of the appended claims.

Claims (12)

1. The utility model provides an electric valve, includes valve part, valve body and case, the valve body has the valve body chamber, the case is located the valve body chamber, the case is globular or spheroid, the case has the passageway, the valve part with case transmission connection, its characterized in that: the valve component comprises a connecting seat, the connecting seat comprises a first main body part and a first flange part, the first flange part is opposite to the first main body part and protrudes outwards in the radial direction, the valve body comprises a first step surface, the first flange part is abutted to the first step surface, and the valve body is connected with the first flange part through a buckle or a bolt or a clamp spring.

2. The electrically operated valve of claim 1, wherein: the valve body comprises at least three clamping parts, the clamping parts are connected with the valve body, and at least part of the clamping parts are pressed on the surface, relatively far away from the first step surface, of the first flange part.

3. The electrically operated valve of claim 2, wherein: the valve body comprises an opening part, the opening part comprises a first side wall and a first step surface, the first side wall is arranged along the axial direction of the electric valve, and the first side wall is closer to the opening of the opening part than the first step surface; the first side wall comprises a second main body part, the buckling parts are located at the upper end of the second main body part and distributed along the circumference of the second main body part, one part of the buckling parts is connected with the second main body part, and the other part of the buckling parts is pressed on the surface, relatively far away from the first step surface, of the first flange part.

4. The electrically operated valve of claim 1, wherein: the electric valve comprises bolts, the number of the bolts is 2 or more, the bolts are arranged along the axial direction of the electric valve, a part of the bolts are positioned in the valve body, the rest of the bolts are positioned in the first flange part, and the bolts do not protrude out of the surface of the first flange part, which is relatively far away from the first step surface.

5. The electrically operated valve of claim 1, wherein: the valve body comprises an opening part, the opening part comprises a first side wall and a first step surface, the first side wall is arranged along the axial direction of the electric valve, and the first side wall is closer to the opening of the opening part than the first step surface; the valve body is provided with a mounting groove, the mounting groove is sunken relative to the first side wall, the mounting groove is provided with an opening at the first side wall, the clamp spring is at least partially positioned in the mounting groove, and the clamp spring is in butt joint with the surface of the first flange part, which is relatively far away from the first step surface.

6. The electrically operated valve of claim 3 or 5, wherein: the connecting seat comprises positioning parts, the positioning parts protrude outwards from the peripheral wall of the first flange part, the number of the positioning parts is 2 or more, the first side walls comprise matching parts, the matching parts are recessed from the inner walls of the first side walls to the outer wall sides of the first side walls, and the matching parts are matched and positioned with the positioning parts.

7. The electrically operated valve of claim 3 or 5, wherein: the connecting seat comprises positioning parts, the positioning parts are recessed inwards from the outer peripheral wall of the first flange part, the number of the positioning parts is 2 or more, the first side walls comprise matching parts, the matching parts protrude from the inner walls of the first side walls to the outer wall sides far away from the first side walls, and the matching parts are matched and positioned with the positioning parts.

8. The electric valve according to any one of claims 1 to 5, characterized in that: the valve component further comprises a rotor component, a stator component, a transmission mechanism and a sleeve, at least part of the sleeve is located between the rotor component and the stator component, the sleeve is fixedly connected with the connecting seat, the sleeve is assembled with the connecting seat to form a containing cavity, the rotor component and at least part of the transmission mechanism are located in the containing cavity, the rotor component is located at part of the periphery of the transmission mechanism, and part of the transmission mechanism is located in the rotor cavity formed by the rotor component.

9. The electrically operated valve of claim 8, wherein: the electric valve comprises a driving part, wherein the driving part comprises an outer shell, a stator assembly, a circuit board, an interface part, a first contact pin and a second contact pin, the outer shell and the shell of the interface part can be fixed through integral injection molding or through assembly connection, a shell cavity is formed in the outer shell, the stator assembly and the circuit board are located in the shell cavity, the stator assembly is located in part of the periphery of the valve part, one end of the first contact pin is electrically connected and/or in signal connection with the stator assembly, the other end of the first contact pin is electrically connected and/or in signal connection with the circuit board, and the second contact pin is fixedly connected with the interface part.

10. The electrically operated valve of claim 6, wherein: the valve component further comprises a rotor component, a stator component, a transmission mechanism and a sleeve, at least part of the sleeve is located between the rotor component and the stator component, the sleeve is fixedly connected with the connecting seat, the sleeve is assembled with the connecting seat to form a containing cavity, the rotor component and at least part of the transmission mechanism are located in the containing cavity, the rotor component is located at part of the periphery of the transmission mechanism, and part of the transmission mechanism is located in the rotor cavity formed by the rotor component.

11. The electrically operated valve of claim 7, wherein: the valve component further comprises a rotor component, a stator component, a transmission mechanism and a sleeve, at least part of the sleeve is located between the rotor component and the stator component, the sleeve is fixedly connected with the connecting seat, the sleeve is assembled with the connecting seat to form a containing cavity, the rotor component and at least part of the transmission mechanism are located in the containing cavity, the rotor component is located at part of the periphery of the transmission mechanism, and part of the transmission mechanism is located in the rotor cavity formed by the rotor component.

12. The electrically operated valve as claimed in claim 10 or 10, wherein: the electric valve comprises a driving part, wherein the driving part comprises an outer shell, a stator assembly, a circuit board, an interface part, a first contact pin and a second contact pin, the outer shell and the shell of the interface part can be fixed through integral injection molding or through assembly connection, a shell cavity is formed in the outer shell, the stator assembly and the circuit board are located in the shell cavity, the stator assembly is located in part of the periphery of the valve part, one end of the first contact pin is electrically connected and/or in signal connection with the stator assembly, the other end of the first contact pin is electrically connected and/or in signal connection with the circuit board, and the second contact pin is fixedly connected with the interface part.