CN215673832U - Actuator and electric valve with same - Google Patents
Actuator and electric valve with same Download PDFInfo
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- CN215673832U CN215673832U CN202121132197.6U CN202121132197U CN215673832U CN 215673832 U CN215673832 U CN 215673832U CN 202121132197 U CN202121132197 U CN 202121132197U CN 215673832 U CN215673832 U CN 215673832U
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- lead
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Abstract
The utility model provides an actuator and an electric valve with the actuator.A second shell comprises a notch and a first groove, at least part of a sealing block is positioned in the notch, part of a lead-out wire harness of a motor is embedded in or penetrates through the sealing block, the sealing block comprises a second groove, one part of a shell sealing ring is positioned in the first groove, the other part of the shell sealing ring is positioned in the second groove, and the first shell is pressed against the shell sealing ring. The technical scheme can improve the sealing performance of the actuator and the electric valve with the actuator.
Description
Technical Field
The utility model relates to the technical field of fluid control, in particular to an actuator and an electric valve with the actuator.
Background
The electric valve has a wide application field and is mainly used for controlling the on-off of fluid or adjusting the flow of the fluid in a fluid control system. Fig. 1 is an overall schematic diagram of a background art electric valve. As shown in fig. 1, the electric valve includes a valve body 01 and an actuator, wherein a motor is disposed in the actuator, the actuator includes a first housing 02 and a second housing 03, and the first housing 02 and the second housing 03 are fixedly connected by a bolt 04. In the motor-operated valve having such a structure, moisture is likely to permeate into the actuator once dew is condensed on the surface, and thus a short circuit of the motor is likely to occur.
In view of the above, how to improve the sealing performance of the actuator has been an improved issue for those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an actuator, which comprises a shell component and a motor, wherein the motor comprises a motor body and a lead-out wire harness, the motor body is connected with the lead-out wire harness, the motor body is positioned in an inner cavity of the shell component, the lead-out wire harness is partially positioned outside the shell component, the shell component comprises a first shell and a second shell, the first shell and the second shell are fixedly connected, the actuator also comprises a sealing block and a shell sealing ring, the sealing block is made of a soft material, the second shell comprises a notch and a first groove, the lead-out wire harness is partially embedded in or penetrated in the sealing block, at least part of the sealing block is positioned in the notch, the sealing block comprises a second groove, one part of the shell sealing ring is positioned in the first groove, and the other part of the shell sealing ring is positioned in the second groove, the first shell abuts against the shell sealing ring.
The utility model also provides an electric valve which comprises a valve body and the actuator in the scheme, wherein the valve body is fixedly connected with the actuator.
The utility model provides an actuator and an electric valve with the actuator.A second shell comprises a notch and a first groove, at least part of a sealing block is positioned in the notch, part of a lead-out wire harness of a motor is embedded in or penetrates through the sealing block, the sealing block comprises a second groove, one part of a shell sealing ring is positioned in the first groove, the other part of the shell sealing ring is positioned in the second groove, and the first shell is pressed against the shell sealing ring. The technical scheme can improve the sealing performance of the actuator and the electric valve with the actuator.
Drawings
FIG. 1: background art an overall schematic diagram of an electrically operated valve is given;
FIG. 2: the utility model provides a section schematic diagram of an electric valve;
FIG. 3: an enlarged schematic view at I in fig. 2;
FIG. 4: FIG. 2 is a perspective view of the first housing;
FIG. 5: FIG. 2 is a perspective view of a second housing;
FIG. 6: FIG. 2 is a perspective view of the seal block;
FIG. 7: the assembly schematic diagram of the second shell, the sealing block and the shell sealing ring;
FIG. 8: fig. 2 is a perspective view of the motor.
In fig. 2 to 8:
1-a housing component;
11-first shell, 111-body, 1110-inner cavity of body;
1111-boss, 1112-outer peripheral wall of the first housing;
112-receiving portion, 1120-receiving cavity, 1121-main wall;
1122-first side wall, 1123-second side wall;
113-snap, 1130-hole;
12-second shell, 120-notch;
122-first groove, 123-protrusion, 124-upper end face;
125-outer peripheral wall of the second housing, 126-mounting hole, 127-hole wall of the mounting hole;
2-a valve body;
21-extension, 211-annular groove;
3-motor, 31-motor body, 311-leading-out part;
32-lead wire harness, 321-lead wire, 33-output shaft and 331-sun gear;
4-gear reduction mechanism, 41-input gear, 42-output gear carrier;
5-valve rod, 6-valve core;
7-seal block, 71-seal slot, 710-second groove, 72-lead slot;
721-lead groove, 7210-notch, 722-lead groove;
73-first step, 731-step face of first step;
74-second step, 741-step face of second step;
742 — a step wall of the second step;
8-shell sealing ring, 9-valve body sealing ring and 10-potting body.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
It should be noted that the terms "upper" and "lower" as used herein are defined with reference to the components in fig. 2 and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the directional terms used herein are not intended to limit the scope of the claims.
FIG. 2 is a schematic cross-sectional view of an electrically operated valve provided in the present invention; FIG. 3 is an enlarged schematic view at I of FIG. 2; FIG. 4 is a perspective view of the first housing of FIG. 2; FIG. 5 is a perspective view of the second housing of FIG. 2; FIG. 6 is a perspective view of the seal block of FIG. 2; FIG. 7 is an assembled view of the second housing, the seal block and the housing seal ring; fig. 8 is a perspective view of the motor of fig. 2.
As shown in fig. 2, the electric valve includes an actuator 100, a valve body 2, a valve rod 5, a valve core 6 and a valve body seal ring 9, and the actuator 100 includes a housing member 1, a motor 3, a gear reduction mechanism 4, a seal block 7 and a housing seal ring 8.
As shown in fig. 8, the motor 3 includes a motor body 31, a lead portion 311 fixedly connected to the motor body 31, and a lead wire harness 32 led out from the lead portion 311, and the motor body 31 is connected to the lead wire harness 32. The motor body 31 is positioned in the inner cavity of the shell component 1, and the lead-out wire harness 32 is partially positioned outside the shell component 1. When the outgoing wire harness 32 is energized with an external power source, the output shaft 33 of the motor 3 rotates. The output shaft 33 is fixed with a sun gear 331.
As shown in fig. 2, the gear reduction mechanism 4 is provided in the case member 1, and the gear reduction mechanism 4 is located below the motor body 31. The gear reduction mechanism 4 includes an input gear 41 and an output gear carrier 42, the sun gear 331 rotates to drive the input gear 41 to rotate, the input gear 41 drives the output gear carrier 42 to rotate, the output gear carrier 42 drives the valve rod 5 to rotate, and the valve rod 5 drives the valve core 6 to rotate, so as to realize the opening and closing of the electric valve and the flow rate adjusting function.
As shown in fig. 2, 4, 5, 6, and 7, the housing member 1 includes a first housing 11 and a second housing 12, and the first housing 11 and the second housing 12 are each injection-molded from a plastic material. The first housing 11 is fixedly connected to the second housing 12. The second housing 12 includes a notch 120 and a first recess 122, the notch 120 being connected to the first recess 122. The sealing block 7 is made of a soft material, and in the present embodiment, a rubber material is used. The part of the lead-out wire harness 32 of the motor 3 is embedded in or penetrates through the sealing block 7, at least part of the sealing block 7 is located in the notch 120, the sealing block 7 comprises a second groove 710, the first groove 122 and the second groove 710 form a complete annular groove, the shell sealing ring 8 is located in the annular groove, namely, the part of the shell sealing ring 8 is located in the first groove 122, and the other part of the shell sealing ring 8 is located in the second groove 710. The first housing 11 includes a projection 1111 protruding downward in the longitudinal direction of the housing member 1, and the projection 1111 presses the housing seal ring 8 to seal between the first housing 11 and the second housing 12.
In this embodiment, the second housing 12 includes the notch 120 and the first groove 122, the outgoing line bundle 32 is embedded in or passes through the sealing block 7, the sealing block 7 is at least partially located in the notch 120, the sealing block 7 includes the second groove 710, a portion of the housing sealing ring 8 is located in the first groove 122, another portion of the housing sealing ring 8 is located in the second groove 710, the first housing 11 includes the protrusion 1111, and the protrusion 1111 abuts against the housing sealing ring 8. The technical scheme can improve the sealing performance of the electric valve.
Further, as shown in fig. 2, 3, 4, 6, and 8, the first housing 11 includes a main body portion 111 and an accommodating portion 112, and the accommodating portion 112 protrudes outward from an outer peripheral wall 1112 of the main body portion 111 in the lateral direction of the housing member 1. The motor body 31 is at least partially located within the interior cavity 1110 of the main body portion. The protrusion 1111 has an arc shape and is provided at the lower end of the body 111. The sealing block 7 is made of a rubber material, the sealing block 7 comprises a sealing groove portion 71 and a lead groove portion 72, the lead groove portion 72 is located outside the sealing groove portion 71 in the transverse direction of the housing component 1, the sealing groove portion 71 is located at the notch 120, and the sealing groove portion 71 comprises the second groove 710. The lead groove portion 72 is located in the accommodating cavity 1120 of the accommodating portion 112, and the lead harness 32 is inserted into the lead groove portion 72, that is, the lead harness 32 is extended out of the case member 1 through the lead groove portion 72.
Specifically, the lead groove portion 72 is zigzag, and the lead groove portion 72 includes a plurality of lead grooves 721 arranged side by side. The lead wire harness 32 includes a plurality of lead wires 321, the number of the lead wire slots 721 corresponds to the number of the lead wires 321, and each lead wire 321 is inserted into the corresponding lead wire slot 721.
As shown in fig. 3, 4, and 6, the accommodating portion 112 of the first housing 11 includes a main wall 1121, a first side wall 1122, and a second side wall 1123, and the first side wall 1122 and the second side wall 1123 connect the main wall 1121 and the inner peripheral wall of the main body portion 111, respectively. The notch 7210 of the lead slot 721 faces the main wall 1121. The plane of the first side wall 1122 and the plane of the second side wall 1123 are substantially parallel, and the wire chase portion 72 is pressed between the first side wall 1122 and the second side wall 1123. Since the sealing block 7 in this embodiment is made of a soft material such as rubber, the term "springing" used herein means that after the lead groove portion 72 is pressed into the accommodating portion 112, the lead groove portion 72 elastically abuts between the first side wall 1122 and the second side wall 1123, and the length of the lead groove portion 72 before being compressed is longer than the distance between the first side wall 1122 and the second side wall 1123.
As shown in fig. 4 and 5, the first housing 11 further includes at least two latching portions 113, the latching portions 113 extend downward from the outer peripheral wall 1112 of the main body portion 111 of the first housing 11 along the longitudinal direction of the housing component 1, the latching portions 113 include hole portions 1130, the outer peripheral wall 125 of the second housing 12 is provided with at least two protruding portions 123, and the hole portions 1130 and the protruding portions 123 are in concave-convex fit to fixedly connect the first housing 11 and the second housing 12. It is conceivable that the catching portion 113 may be provided with a groove that is engaged with the convex portion 123 in a concavo-convex manner. Or, the buckling part is arranged on the second shell 12, the convex part is arranged on the first shell 11, and the buckling and the fixing of the two can also be realized through concave-convex matching.
As shown in fig. 3, 4 and 6, the actuator 100 of the present embodiment further includes a potting body 10. In a specific production process, the accommodating cavity 1120 of the accommodating portion 112 of the first housing 11 is encapsulated by using silica gel, polyurethane, or the like as an encapsulating material, and during encapsulation, the encapsulating material penetrates into a gap between the lead 321 and the lead groove 721 and also into a gap between the lead groove portion 72 and the accommodating portion 112. The potting material is cured to form the potting body 10 such that the potting body 10 covers the lower end faces 722 of the lead groove portions 72. Therefore, the sealing performance of the electric valve is further improved through potting.
As shown in fig. 3 and 8, the motor body 31 includes a lead portion 311, and the lead wire harness extends from the lead portion 311. The sealing block 7 includes a first stepped portion 73 with an upward facing step and a second stepped portion 74 with a downward facing step. The lead portion 311 is disposed on the first step portion 73, the lead portion 311 abuts against the step surface 731 of the first step portion 73, and the second recess 710 is formed recessed from the step surface 731 of the first step portion 73. The step surface 741 of the second step portion 74 abuts against the upper end surface 124 of the second housing 12 located at the notch 120, and the step wall 742 of the second step portion 74 engages with the outer peripheral wall 125 of the second housing 12.
Further, in this embodiment, as shown in fig. 2, the valve body 2 includes a protruding portion 21, the valve rod 5 penetrates through the protruding portion 21, an outer edge of an upper section of the protruding portion 21 includes an annular groove 211, the valve body sealing ring 9 is located in the annular groove 211, a lower section of the second housing 12 includes a mounting hole 126, the protruding portion 21 of the valve body 2 is at least partially located in the mounting hole 126, and the valve body sealing ring 9 is attached to a hole wall 127 forming the mounting hole 126. Thus, the sealing performance of the matching part of the second shell 12 and the valve body 2 can be improved by arranging the valve body sealing ring 9.
The above embodiments are merely preferred embodiments of the present invention, and are not limited thereto, and on the basis of the above embodiments, various embodiments can be obtained by performing targeted adjustment according to actual needs. For example: the structures of the first shell 11 and the second shell 12 can be interchanged, for example, the second shell can be disposed on the protrusion and the accommodating portion, correspondingly, the first shell can be disposed on the first groove and the notch, and the sealing block is matched with the first shell, so as to achieve the technical effects of the above embodiments, which is not repeated herein.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. An actuator comprises a shell component and a motor, wherein the motor comprises a motor body and a leading-out wire harness, the motor body is connected with the leading-out wire harness, the motor body is positioned in an inner cavity of the shell component, the leading-out wire harness is partially positioned outside the shell component, the shell component comprises a first shell and a second shell, and the first shell and the second shell are fixedly connected, the first shell abuts against the shell sealing ring.
2. The actuator according to claim 1, wherein the first housing includes a main body portion and a receiving portion protruding outward from the main body portion in a transverse direction of the housing member, at least a portion of the motor body is located in an inner cavity of the main body portion, the main body portion includes a protrusion portion, the protrusion portion presses against the housing seal ring, the seal block includes a seal groove portion and a lead groove portion, the seal groove portion is located in the notch, the seal groove portion includes the second groove, the lead groove portion is located in the receiving cavity of the receiving portion, the lead wire harness is inserted into the lead groove portion, and the seal block further includes a potting body, the potting body fills the receiving cavity of the receiving portion, and the potting body covers a lower end face of the lead groove portion.
3. The actuator of claim 2, wherein the receptacle includes a main wall, a first side wall and a second side wall connecting the main wall and an inner peripheral wall of the main body, the notch of the lead groove faces the main wall, and the lead groove is resiliently compressed between the first side wall and the second side wall.
4. The actuator according to claim 2, wherein the first housing further comprises at least two latching portions extending downward from the outer peripheral wall of the first housing in the longitudinal direction of the housing member, the latching portions comprise hole portions, the outer peripheral wall of the second housing is provided with at least two protruding portions, and the hole portions and the protruding portions are in concave-convex fit to fix the first housing and the second housing.
5. The actuator of claim 2, wherein the lead slot portion is serrated, having a number of lead slots arranged side by side, the lead harness including a number of leads, the number of lead slots corresponding to the number of leads.
6. The actuator according to any one of claims 1 to 5, wherein the motor further includes a lead-out portion fixedly connected to the motor body, the lead-out wire harness extends from the lead-out portion, the seal block includes a first step portion having an upward step surface and a second step portion having a downward step surface, the lead-out portion is disposed on the first step portion, the lead-out portion abuts against the step surface of the first step portion, the second groove is formed recessed from the step surface of the first step portion, the step surface of the second step portion abuts against an upper end surface of the second housing at the notch, and a step wall of the second step portion is fitted to the outer peripheral wall of the second housing.
7. An electrically operated valve comprising a valve body and an actuator according to any of claims 1 to 6, the valve body and the actuator being fixedly connected.
8. The electrically operated valve of claim 7, further comprising a valve body seal ring, wherein the valve body comprises an extension, wherein an upper outer edge of the extension comprises an annular groove, wherein the valve body seal ring is positioned in the annular groove, wherein a lower section of the second housing of the actuator comprises a mounting hole, wherein the extension is at least partially positioned in the mounting hole, and wherein the valve body seal ring is attached to a wall of the hole forming the mounting hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120365269 | 2021-02-10 | ||
| CN2021203652695 | 2021-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673832U true CN215673832U (en) | 2022-01-28 |
Family
ID=79972803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121132197.6U Active CN215673832U (en) | 2021-02-10 | 2021-05-25 | Actuator and electric valve with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673832U (en) |
-
2021
- 2021-05-25 CN CN202121132197.6U patent/CN215673832U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220818 Address after: 312500 Daming new area, Zhejiang Xinchang Economic Development Zone, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Sanhua Commercial Refrigeration Co.,Ltd. Address before: 312500 R & D building of Zhejiang Sanhua refrigeration group, xialiquan village, Qixing street, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |