CN215110832U - Flow control valve speed reduction linear motor - Google Patents
Flow control valve speed reduction linear motor Download PDFInfo
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- CN215110832U CN215110832U CN202121397000.1U CN202121397000U CN215110832U CN 215110832 U CN215110832 U CN 215110832U CN 202121397000 U CN202121397000 U CN 202121397000U CN 215110832 U CN215110832 U CN 215110832U
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Abstract
The utility model discloses a flow control valve deceleration linear motor, which comprises a motor, a deceleration mechanism and a linear motion mechanism which are connected in sequence, wherein the output shaft of the motor is provided with a first gear, the deceleration mechanism comprises a rotating shaft, a second gear and a third gear which are sleeved on the rotating shaft, and the first gear is meshed with the second gear; the linear motion mechanism comprises a valve core and a nut in threaded connection with the valve core, a fourth gear meshed with the third gear is arranged on the nut, and the valve core is made to do linear motion along the axial direction of the valve core by rotating the nut; the utility model provides a flow control valve speed reduction linear electric motor has reduced the requirement to motor output torque, sets up reduction gears between motor and linear motion mechanism, and when the motor reversal, the clearance between each gear of accessible passes through, under the prerequisite that does not increase motor output torque, has increased the thrust that acts on the case for the case can carry out rectilinear movement smoothly, has reduced the degree of difficulty of motor lectotype.
Description
Technical Field
The utility model relates to a flow control valve technical field especially relates to a flow control valve linear electric motor that slows down.
Background
The current flow control valve makes case rectilinear movement under the drive of motor at the in-process that uses, and case and valve port conflict too tightly easily when the case moves certain stroke position, lead to the case to be difficult to break away from with the valve port, consequently, flow control valve among the prior art requires comparatively much to the output torque of motor, but this has increaseed the degree of difficulty of motor selection undoubtedly.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a flow control valve speed reduction linear electric motor to solve the big problem of the motor type selection degree of difficulty among the prior art.
In order to solve the technical problem, the utility model discloses a technical scheme be: a flow regulating valve deceleration linear motor comprises a motor, a deceleration mechanism and a linear motion mechanism which are sequentially connected, wherein a first gear is arranged on an output shaft of the motor, the deceleration mechanism comprises a rotating shaft, and a second gear and a third gear which are sleeved on the rotating shaft, and the first gear is meshed with the second gear; the linear motion mechanism comprises a valve core and a nut in threaded connection with the valve core, a fourth gear meshed with the third gear is arranged on the nut, and the valve core is made to do linear motion along the axial direction of the valve core by rotating the nut.
Furthermore, the device also comprises a shell, one end of the shell is connected with the motor, and the speed reducing mechanism and the linear motion mechanism are arranged on the shell.
Furthermore, the other end of the shell is provided with a limiting sliding sleeve for limiting the valve core to rotate, and the valve core is connected in the limiting sliding sleeve in a sliding manner.
Further, the valve core comprises a threaded portion, a sliding portion and a collision portion which are sequentially connected, the nut is in threaded connection with the threaded portion, the sliding portion is slidably mounted in the limiting sliding sleeve, and the collision portion is used for being connected with an external component.
Furthermore, the shape of the sliding part is matched with the shape of the inner side wall of the limiting sliding sleeve, and the cross section of the sliding part is non-circular.
Further, a bearing assembly for mounting the nut is arranged in the shell.
Further, the casing is also provided with an installation part for installing the speed reducing mechanism.
Furthermore, the shell is provided with a connecting part connected with the motor.
Furthermore, a flange assembly is arranged on the motor, and the motor is connected with the connecting part through the flange assembly.
The beneficial effects of the utility model reside in that: the utility model provides a flow control valve speed reduction linear electric motor has reduced the requirement to motor output torque, sets up reduction gears between motor and linear motion mechanism, and when the motor reversal, the clearance between each gear of accessible passes through, under the prerequisite that does not increase motor output torque, has increased the thrust that acts on the case for the case can carry out rectilinear movement smoothly, has reduced the degree of difficulty of motor lectotype.
Drawings
Fig. 1 is an exploded view of a flow control valve deceleration linear motor according to a first embodiment of the present invention;
fig. 2 is a schematic view of a partial structure of a flow control valve deceleration linear motor according to a first embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure view of a flow control valve deceleration linear motor according to an embodiment of the present invention.
Description of reference numerals:
1. a motor; 11. a housing; 12. a first gear; 13. a stator winding; 14. a rotor; 15. a flange plate; 16. a bolt; 2. a housing; 21. an installation part; 22. a connecting portion; 23. a limiting sliding sleeve; 24. a bearing assembly; 3. a rotating shaft; 31. a second gear; 32. a third gear; 4. a nut; 41. a fourth gear; 5. a valve core; 51. a contact part; 52. a sliding part; 53. a threaded portion.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a flow control valve deceleration linear motor includes a motor 1, a deceleration mechanism and a linear motion mechanism, which are connected in sequence, wherein an output shaft of the motor 1 is provided with a first gear 12, the deceleration mechanism includes a rotating shaft 3, and a second gear 31 and a third gear 32 sleeved on the rotating shaft 3, and the first gear 12 is engaged with the second gear 31; the linear motion mechanism comprises a valve core 5 and a nut 4 in threaded connection with the valve core 5, a fourth gear 41 meshed with the third gear 32 is arranged on the nut 4, and the valve core 5 is made to do linear motion along the axial direction by rotating the nut 4.
The utility model discloses a structural principle brief follows as follows: the output shaft of the motor 1 drives the first gear 12 to rotate, so that the second gear 31, the third gear 32 and the fourth gear 41 rotate, the nut 4 rotates, the thread stroke of the valve core 5 relative to the nut 4 is changed, and the valve core 5 makes linear motion along the axial direction of the valve core 5.
From the above description, the beneficial effects of the present invention are: set up reduction gears between motor 1 and linear motion mechanism, when motor 1 reversal, the clearance between each gear of accessible passes through, under the prerequisite that does not increase motor 1 output torque, has increased the thrust that acts on case 5 for case 5 can carry out rectilinear movement smoothly, has reduced the degree of difficulty of motor 1 lectotype.
Further, still include casing 2, casing 2's one end with motor 1 is connected, reduction gears with linear motion mechanism installs in casing 2.
As is apparent from the above description, the housing 2 facilitates installation of the linear motion mechanism and the reduction mechanism, ensuring structural stability.
Further, the other end of the housing 2 is provided with a limiting sliding sleeve 23 for limiting the rotation of the valve core 5, and the valve core 5 is slidably connected in the limiting sliding sleeve 23.
As can be seen from the above description, the limiting sliding sleeve 23 can limit the rotation of the valve core 5 relative to the housing 2, and ensure the stability of the operation of the valve core 5.
Further, the valve core 5 comprises a threaded portion 53, a sliding portion 52 and an abutting portion 51 which are connected in sequence, the nut 4 is connected to the threaded portion 53 in a threaded manner, the sliding portion 52 is slidably mounted in the limiting sliding sleeve 23, and the abutting portion 51 is used for connecting an external component.
As can be seen from the above description, the valve core 5 has a simple structure and is easy to manufacture and mold.
Further, the shape of the sliding part 52 is matched with the shape of the inner side wall of the limiting sliding sleeve 23, and the cross section of the sliding part 52 is non-circular.
As can be seen from the above description, the shape of the sliding portion 52 can be selected according to the actual application requirements.
Further, a bearing assembly 24 for mounting the nut 4 is also provided in the housing 2.
As will be appreciated from the above description, the bearing assembly 24 facilitates installation of the nut 4, ensuring that the nut 4 rotates stably within the housing 2.
Further, the housing 2 is also provided with a mounting portion 21 for mounting the speed reducing mechanism.
As is apparent from the above description, the mounting portion 21 facilitates mounting of the reduction mechanism.
Further, a connecting portion 22 connected to the motor 1 is provided on the housing 2.
As can be seen from the above description, the connecting portion 22 is used to connect the motor 1, facilitating assembly.
Further, a flange assembly is arranged on the motor 1, and the motor 1 is connected with the connecting portion 22 through the flange assembly.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: a flow regulating valve deceleration linear motor is applied to a flow regulating valve and comprises a motor 1, a deceleration mechanism and a linear motion mechanism which are sequentially connected, wherein a first gear 12 is arranged on an output shaft of the motor 1, the deceleration mechanism comprises a rotating shaft 3, and a second gear 31 and a third gear 32 which are sleeved on the rotating shaft 3, and the first gear 12 is meshed with the second gear 31; the linear motion mechanism comprises a valve core 5 and a nut 4 which is connected to the valve core 5 in a threaded manner, a fourth gear 41 which is meshed with the third gear 32 is arranged on the nut 4, and the valve core 5 is made to do linear motion along the axial direction of the valve core by rotating the nut 4; specifically, the motor 1 sequentially comprises a rotor 14, a stator winding 13 and a housing 11 from inside to outside, one end of the rotor 14 penetrates through and is exposed out of the housing 11, and the first gear 12 is sleeved at one end of the rotor 14, which is exposed out of the housing 11; when the motor 1 is powered on, the rotor 14 drives the first gear 12 to rotate, so that the whole mechanism operates.
Preferably, please refer to fig. 1 and fig. 3, the flow regulating valve deceleration linear motor further includes a housing 2, one end of the housing 2 is connected to the motor 1, the deceleration mechanism and the linear motion mechanism are mounted on the housing 2, specifically, the other end of the housing 2 is provided with a limiting sliding sleeve 23 for limiting the rotation of the valve core 5, and the valve core 5 is slidably connected in the limiting sliding sleeve 23; more specifically, the valve core 5 comprises a threaded portion 53, a sliding portion 52 and an interference portion 51 which are connected in sequence, the nut 4 is in threaded connection with the threaded portion 53, the sliding portion 52 is slidably mounted in the limiting sliding sleeve 23, and the interference portion 51 is used for connecting an external member; the external component is a device with a valve port matched with the interference part 51; the shape of the sliding part 52 is matched with the shape of the inner side wall of the limiting sliding sleeve 23, and the cross section of the sliding part 52 is non-circular; optionally, the cross-sectional shape of the sliding portion 52 may be a triangle, a quadrangle, a pentagon or other non-circular shape, and may be specifically set according to actual application requirements, which is not repeated herein.
Preferably, referring to fig. 3, a bearing assembly 24 for mounting the nut 4 is further disposed in the housing 2, and the bearing assembly 24 facilitates mounting of the nut 4, ensuring that the nut 4 rotates stably in the housing 2; specifically, the nut 4 is provided with an annular groove connected with the bearing assembly 24, and the bearing assembly 24 is sleeved in the annular groove, so that the nut 4 can rotate relative to the shell 2, and the axial movement of the nut 4 is limited.
Referring to fig. 3, in this embodiment, the housing 2 is further provided with a mounting portion 21 for mounting the speed reducing mechanism, and the rotating shaft 3 is rotatably connected to the mounting portion 21; the shell 2 is provided with a connecting part 22 connected with the motor 1, the motor 1 is provided with a flange component, and the motor 1 is connected with the connecting part 22 through the flange component; specifically, the flange subassembly includes ring flange 15 and bolt 16, ring flange 15 is located motor 1 keeps away from the one end of casing 2, rotor 14 rotate connect in on the ring flange 15, the one end of bolt 16 with connecting portion 22 is connected, the other end of bolt 16 with ring flange 15 is connected, through the flange subassembly will shell 11 centre gripping in on the casing 2, ensured the stability of structure.
To sum up, the flow control valve deceleration linear motor provided by the utility model reduces the requirement on the output torque of the motor, the deceleration mechanism is arranged between the motor and the linear motion mechanism, when the motor rotates reversely, the transition can be carried out through the clearance between the gears, and on the premise of not increasing the output torque of the motor, the thrust acting on the valve core is increased, so that the valve core can smoothly carry out linear movement, and the difficulty of motor model selection is reduced; the shell is clamped on the shell through the flange assembly, so that the structural stability is ensured; the shape of sliding part with the shape looks adaptation of spacing sliding sleeve inside wall to can select the shape of sliding part according to the application demand of reality, richened the variety of structure.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. A flow control valve deceleration linear motor is characterized by comprising a motor, a deceleration mechanism and a linear motion mechanism which are sequentially connected, wherein a first gear is arranged on an output shaft of the motor, the deceleration mechanism comprises a rotating shaft, and a second gear and a third gear which are sleeved on the rotating shaft, and the first gear is meshed with the second gear; the linear motion mechanism comprises a valve core and a nut in threaded connection with the valve core, a fourth gear meshed with the third gear is arranged on the nut, and the valve core is made to do linear motion along the axial direction of the valve core by rotating the nut.
2. The flow control valve deceleration linear motor of claim 1, further comprising a housing, one end of said housing being connected to said motor, said deceleration mechanism and said linear motion mechanism being mounted to said housing.
3. The flow control valve deceleration linear motor of claim 2, wherein the other end of the housing is provided with a limiting sliding sleeve for limiting the rotation of the valve core, and the valve core is slidably connected in the limiting sliding sleeve.
4. The flow control valve deceleration linear motor of claim 3, wherein the valve core comprises a threaded portion, a sliding portion and an interference portion which are connected in sequence, the nut is in threaded connection with the threaded portion, the sliding portion is slidably mounted in the limiting sliding sleeve, and the interference portion is used for connecting an external component.
5. The flow control valve deceleration linear motor according to claim 4, wherein the shape of the sliding part is adapted to the shape of the inner side wall of the limit sliding sleeve, and the cross-sectional shape of the sliding part is non-circular.
6. The flow control valve reduced linear motor of claim 2, further comprising a bearing assembly disposed within the housing for mounting the nut.
7. The flow control valve deceleration linear motor of claim 2, wherein said housing is further provided with a mounting portion for mounting said deceleration mechanism.
8. The flow control valve reduced linear motor according to claim 2, wherein the housing is provided with a connecting portion to which the motor is connected.
9. The flow control valve deceleration linear motor of claim 8, wherein a flange assembly is provided on said motor, said motor being connected to said connecting portion through said flange assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121397000.1U CN215110832U (en) | 2021-06-22 | 2021-06-22 | Flow control valve speed reduction linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121397000.1U CN215110832U (en) | 2021-06-22 | 2021-06-22 | Flow control valve speed reduction linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215110832U true CN215110832U (en) | 2021-12-10 |
Family
ID=79310229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121397000.1U Active CN215110832U (en) | 2021-06-22 | 2021-06-22 | Flow control valve speed reduction linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215110832U (en) |
-
2021
- 2021-06-22 CN CN202121397000.1U patent/CN215110832U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20220110 Address after: 518000 7th / 8th floor, building D, huilongda Industrial Park, Shiyan street, Bao'an District, Shenzhen, Guangdong Patentee after: SHENZHEN SMART MICROMOTOR Co.,Ltd. Patentee after: China Aerospace Science and Industry Group Co., Ltd Address before: 518000 7th / 8th floor, building D, huilongda Industrial Park, Shiyan street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN SMART MICROMOTOR Co.,Ltd. |