CN216786578U - Intelligent control drainage tractor of washing machine - Google Patents
Intelligent control drainage tractor of washing machine Download PDFInfo
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- CN216786578U CN216786578U CN202123212667.2U CN202123212667U CN216786578U CN 216786578 U CN216786578 U CN 216786578U CN 202123212667 U CN202123212667 U CN 202123212667U CN 216786578 U CN216786578 U CN 216786578U
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- reed
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Abstract
The utility model discloses an intelligent control drainage tractor of a washing machine, which comprises a shell, wherein the shell is internally provided with: the reed switch assembly comprises a reed mounting plate, a front reed assembly and a rear reed assembly, wherein the front reed assembly and the rear reed assembly are used for controlling the driving motor; the first cam and the second cam are respectively matched with the movable contact pieces of the front spring component and the rear spring component to ensure that the movable contact pieces are in contact connection with the static contact pieces; the eccentric wheel is provided with a convex shaft; the sliding rod supporting assembly comprises a sliding rod and a support, a convex shaft groove is formed in the sliding rod, and the convex shaft is arranged in the convex shaft groove and drives the sliding rod to slide up and down along with the rotation of the eccentric wheel; the bracket is arranged in the bracket groove of the sliding rod and used for supporting the clutch deflector rod. According to the utility model, the eccentric wheel is driven by the motor to control the sliding of the sliding rod supporting component to realize the opening and closing of the clutch, the on-off of the driving motor is controlled by the matching of the first cam, the second cam and the reed switch component, the opening and closing of the clutch of the washing machine are controlled by a plurality of strokes, and the service life of the washing machine is prolonged.
Description
Technical Field
The utility model relates to the technical field of washing machines, in particular to an intelligent control drainage tractor for a washing machine.
Background
The washing machine is a cleaning appliance for washing clothes by using mechanical action generated by electric energy, and as the technology of the washing machine is continuously mature, the full-automatic washing machine automatically controlling a washing program by a microcomputer is increasingly popular in the market. The drainage tractor is one of the very important structures in the full-automatic washing machine, and is mainly used for driving the clutch to enable the inner cylinder and the outer cylinder to be combined for dehydration and pulling the drainage valve for drainage.
The stopping mechanism of the traditional washing machine tractor is generally divided into two types, one type is that the guiding magnetic steel and the guiding ring are used as the stopping mechanism, the stopping mechanism is driven by the same motor, and only single-stroke traction can be realized. The second one is a double-stroke tractor which takes a relay as a stop mechanism and is controlled by a stroke cam and a reed, but the stability and the service life of the tractor are influenced due to the problems of the misoperation of the relay and the service life of the relay.
To this end, chinese utility model patent CN202298224U provides a two-way tractor for a washing machine, which comprises a synchronous driving motor, an output shaft of the synchronous driving motor is connected with an input end of a planetary gear mechanism, an output end of the planetary gear mechanism is connected with a first output gear, the first output gear is engaged with a second output gear, the second output gear is engaged with a power output tooth, the power output tooth is linked with a rack or a wire rope, a power output part comprises an induction synchronous motor, an induction ring is installed outside a rotor of the induction synchronous motor and used for generating a constant torque according to a rotating magnetic field generated by the uniform rotation of the rotor, the induction ring is rotatably installed at the bottom of the rotor of the induction synchronous motor, a second transmission gear on the induction ring is engaged with a stop gear, a first reverse stop for preventing the motor from reversing is installed on the stop gear, the stop gear is engaged with one end of a stop lever, and the other end of the stop lever is matched with a stop wheel assembly to realize a stop function, the stopping spring is installed at the fulcrum of the stopping lever to realize the drainage of the washing machine.
However, when the tractor is powered off, the stop lever returns to the original position under the action of the pulling force of the stop spring, so that the rack or the steel wire rope is pulled outwards to process the rotation of the gear direction, when the rack or the steel wire rope is completely pulled out, the stroke cam returns to the initial state, the first reed and the second reed are disconnected, and the reset is realized.
In view of the above, there is a need for an improvement of the tractor of the washing machine in the prior art, so as to reduce the reset speed of the tractor after power failure, reduce the wear of the clutch of the washing machine, and prolong the service life of the tractor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the existing drainage tractor of the washing machine has high resetting speed, the clutch of the washing machine is seriously abraded and the service life of the washing machine is influenced.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a washing machine intelligent control drainage tractor, includes the casing, still includes:
the motor assembly is arranged in the shell and comprises a driving motor and a transmission gear, a motor shaft of the driving motor penetrates through the shell, and the transmission gear is arranged on the motor shaft of the driving motor;
the reed switch assembly comprises a reed mounting plate, a front reed assembly and a rear reed assembly, wherein the front reed assembly and the rear reed assembly are used for controlling the driving motor;
the first cam and the second cam are rotationally arranged on the reed mounting plate and are respectively matched with the movable contact pieces of the front reed component and the rear reed component to ensure that the movable contact pieces are in contact connection with the static contact pieces;
the eccentric wheel, the first cam and the second cam are sleeved on a motor shaft of the driving motor and are arranged on the rear end surface of the shell, and a convex shaft is arranged on the rear end surface of the eccentric wheel;
the sliding rod supporting assembly is arranged on the rear end face of the shell and comprises a sliding rod and a support, a protruding shaft groove is formed in the front end face of the sliding rod, and the protruding shaft is arranged in the protruding shaft groove and drives the sliding rod to slide up and down along with the rotation of the eccentric wheel; the bracket is arranged in the bracket groove of the sliding rod and used for supporting the clutch deflector rod.
In the above aspect, preferably, the housing includes:
the front end surface of the motor box is provided with an opening; the motor assembly, the reed switch assembly, the first cam and the second cam are arranged in the motor box;
the sliding rod box is arranged on the rear end face of the motor box, and an opening is formed in the rear end face of the sliding rod box; motor shaft holes which are arranged in a penetrating way are formed in the motor box and the slide bar box, and a motor shaft of the driving motor is arranged in the motor shaft holes;
the outer cover is arranged on the opening of the motor box;
the upper cover is arranged on the opening of the slide bar box, the top surface of the upper cover is provided with a washing machine deflector rod groove, and the side surface of the upper cover is provided with a clutch deflector rod groove.
In the above scheme, preferably, be equipped with first fixed buckle on the top surface and the bottom surface of motor box, be equipped with on the top surface and the bottom surface of enclosing cover with the first fixed slot of first fixed buckle looks adaptation.
In the above scheme, it is preferred, be equipped with spacing bead on the lateral surface of motor box, spacing bead is in vertical setting on the lateral surface of motor box, be equipped with on the lateral surface of enclosing cover with the spacing groove of spacing bead looks adaptation.
In the above scheme, preferably, the outer side surface of the slide bar box is provided with a second fixing buckle and a screw fixing part, and the outer side surface of the upper cover is provided with a second fixing clamping groove and a fixing lug which are matched with the second fixing buckle and the screw fixing part.
In the above aspect, preferably, the front spring assembly is provided on the front end surface of the spring mounting plate, and includes:
the first movable contact piece is U-shaped, two side arms of the first movable contact piece are provided with first deformation convex parts, and the end parts of the two side arms are provided with first movable contacts;
the first static contact piece and the second static contact piece are arranged on two sides of the first movable contact piece, and a first static contact point and a second static contact point are arranged on the end parts of the first static contact piece and are used for being in contact electrical connection with the first movable contact point.
In the above aspect, preferably, the rear spring assembly is provided on the rear end surface of the spring mounting plate, and includes:
the second movable contact spring is electrically connected with the first movable contact spring; the end part of the first movable contact is provided with a first deformation convex part and a first movable contact;
and the third static contact piece is arranged on one side of the second movable contact piece, and the end part of the third static contact piece is provided with a third static contact.
In the above aspect, preferably, a cam groove is formed on the outer circumferential surface of the first cam, and the shape and size of the cam groove are adapted to the shape and size of the first deformation protrusion.
In the foregoing solution, preferably, a cam protruding portion is disposed on an outer circumferential surface of the second cam, and is configured to push the second deformation protruding portion to electrically connect the second movable contact piece and the third stationary contact piece.
In the above scheme, preferably, a spring is further disposed between the bracket and the sliding rod.
Compared with the prior art, the intelligent control drainage tractor for the washing machine, provided by the utility model, has the advantages that the eccentric wheel is driven by the motor to control the sliding of the sliding rod supporting assembly to realize the opening and closing of the clutch, the on-off of the driving motor is controlled by the matching of the first cam and the second cam with the reed switch assembly, the on-off of the washing machine clutch is controlled by a plurality of strokes, the abrasion caused by the rapid resetting of the clutch after the tractor is powered off is effectively avoided, and the service life of the washing machine is prolonged.
Drawings
FIG. 1 is a perspective view of an intelligent controlled drain retractor of a washing machine according to the present invention;
FIG. 2 is a schematic view of the washing machine with the intelligently controlled drain retractor according to the present invention;
FIG. 3 is a schematic cross-sectional view of an intelligent controlled drain retractor of a washing machine according to the present invention;
FIG. 4 is a schematic diagram of the reed switch assembly of the present invention;
FIG. 5 is a schematic view of another angle configuration of the reed switch assembly of the present invention;
FIG. 6 is a schematic structural view of the slide bar support assembly of the present invention.
The correspondence between the names and reference numbers of the components in fig. 1 to 6 is as follows:
a shell 1, a reed switch component 3, a first cam 4, a second cam 5, an eccentric wheel 6, a slide rod 7, a bracket 8 and a spring 9,
a motor box 11, an outer cover 12, an upper cover 13, a slide bar box 14,
the motor shaft hole 101 is formed,
the first fixing buckle 111, the limit protruding rib 112,
a first fixing clip groove 121, a limiting groove 122,
a second fixing jaw 131, a fixing lug 132, a washing machine lever recess 133, a clutch lever recess 134,
a second fixing clip 141, a screw fixing portion 142,
the motor 21 is driven and the motor is driven,
a reed mounting plate 31, a first stationary contact piece 32, a second stationary contact piece 33, a first movable contact piece 34, a second movable contact piece 35, a third stationary contact piece 36,
the first stationary contact point 321 is provided with a first stationary contact point,
the second stationary contact 331 is provided at the second stationary contact,
the first deformation protrusion 341, the first movable contact 342, the second movable contact 343,
the third movable contact 351, the second deforming protrusion 352,
the third stationary contact 361 is provided with a third stationary contact,
the cam grooves 41 are formed in the outer circumference of the body,
the cam projections 51 are provided on the outer periphery of the cam,
the protruding shaft (61) is provided with a protruding shaft,
a slide bar projection 71, a protruding shaft groove 72, a bracket slide groove 73, a lower spring mounting portion 74, a slide limit groove 75,
an upper spring mounting portion 81 and a slide stopper portion 82.
Detailed Description
The utility model provides an intelligent control drainage tractor of a washing machine, which controls a sliding rod supporting component to slide by driving an eccentric wheel through a motor, controls the on-off of a driving motor by matching a first cam, a second cam and a reed switch component, realizes the control of the opening and closing of a clutch of the washing machine through a plurality of strokes, and prolongs the service life of the washing machine. The utility model is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1, 2 and 3, the intelligent drainage retractor of a washing machine provided by the utility model comprises a housing 1, and a motor assembly, a reed switch assembly 3, a first cam 4, a second cam 5, an eccentric wheel 6 and a sliding rod support assembly which are arranged in the housing 1.
A sliding rod box 14 is further arranged on the rear end face of the motor box 11, a motor shaft hole 101 which penetrates through the motor box 11 and the sliding rod box 14 is formed in the motor box, and a motor shaft of the motor assembly is arranged in the motor shaft hole 101 and drives the first protruding edge 4 and the second cam 5 to rotate.
An opening is arranged on the rear end face of the slide bar box 14, and the upper cover 13 is arranged on the opening of the slide bar box 14. The outer side surface of the slide bar box 14 is provided with a second fixing buckle 141 and a screw fixing portion 142, the upper cover 13 is provided with a second fixing clamping groove 131 matched with the second fixing buckle 141 and a fixing lug 132 matched with the screw fixing portion 142, and the upper cover 13 is limited by the second fixing buckle 141 and the second fixing clamping groove 131 and fixed on the slide bar box 14 through screws, the screw fixing portion 142 and the fixing lug 132. The top surface of the upper cover 13 is provided with a washing machine deflector rod groove 133, and the side surface of the upper cover 13 is also provided with a clutch deflector rod groove 134.
The motor assembly is arranged in the motor box 11 and comprises a driving motor 21 and a transmission gear, and the transmission gear is sleeved on a motor shaft of the driving motor 41. And a partition plate is arranged between the transmission gear and the reed switch component 5, and the transmission gear is arranged on the partition plate and used for preventing the transmission gear and the reed switch component 3 from indirectly triggering to generate short circuit, so that the running stability of the intelligent drainage tractor of the washing machine is influenced.
As shown in fig. 4 and 5, the reed switch assembly 3 includes a reed mounting plate 31, and a first fixed contact 32, a second fixed contact 33, a first movable contact 34, a second movable contact 35, and a third fixed contact 36 mounted on the reed mounting plate 31.
The first fixed contact piece 32, the second fixed contact piece 33 and the first movable contact piece 34 are arranged on the front end face of the reed mounting plate 31, the first movable contact piece 34 is in an inverted U shape, the first fixed contact piece 32 and the second fixed contact piece 33 are respectively arranged on two sides of the first movable contact piece 34, and the first fixed contact point 321 and the second fixed contact point 331 are arranged at the lower ends of the first fixed contact piece 32 and the second fixed contact piece 33. The lower portion of the first movable contact piece 34 is provided with two first deformation protrusions 341, the first deformation protrusions 341 are inwardly protruded along two side arms of the first movable contact piece 34, and a first movable contact 342 and a second movable contact 343 are disposed below the two first deformation protrusions 341.
The first cam 4 is rotatably disposed in a U-shaped groove of the first movable contact 34, and its outer circumferential surface abuts against a side arm of the first movable contact piece 34. The first cam 4 is provided with a cam groove 41 on the outer circumferential surface thereof, and the shape and size of the cam groove 41 are adapted to the shape and size of the first deformation protrusion 341.
The second movable contact piece 35 and the third fixed contact piece 36 are arranged on the rear end face of the reed mounting plate 31, the lower ends of the second movable contact piece 35 and the third fixed contact piece 36 are provided with a third movable contact 351 and a third fixed contact 361, the second movable contact piece 35 is further provided with a second deformation convex portion 352, and the second deformation convex portion 352 is arranged above the third movable contact 351. The second movable contact piece 35 is electrically connected to the first movable contact piece 34.
The second cam 5 is rotatably disposed at one side of the second movable contact piece 35, a cam protrusion 51 is disposed on an outer circumferential surface of the second cam 5, and the cam protrusion 51 is used for pushing the second deformation protrusion 352 to electrically connect the second movable contact piece 35 and the third fixed contact piece 36.
As shown in fig. 6, the eccentric wheel 6 is rotatably disposed in the slide bar box 14, and a protruding shaft 61 is provided on the rear end surface of the eccentric wheel 6. The slide bar support assembly comprises a slide bar 7, a bracket 8 and a spring 9. The top surface of the sliding rod 7 is provided with a sliding rod lug 71, and the sliding rod lug 71 is arranged in a shifting lever groove 132 of the washing machine on the upper cover 13 in a vertical sliding way. The front end surface of the slide rod 7 is provided with a convex shaft groove 72, and the convex shaft 61 is arranged in the convex shaft groove 72. A bracket sliding groove 73 is formed on the rear end surface of the slide rod 7, a lower spring mounting portion 74 is formed on the bottom surface of the bracket sliding groove 73, and a slide limiting groove 75 is formed on the side surface of the bracket sliding groove 73. An upper spring mounting portion 81 is arranged on the bottom surface of the support 8, a sliding limiting portion 82 is arranged on the side surface of the support 8, two ends of the spring 9 are arranged on the upper spring mounting portion 81 and the lower spring mounting portion 74, and the sliding limiting portion 82 of the support 8 is matched with the sliding limiting groove 75, so that the support 8 is arranged in the support sliding groove 73 in a vertically sliding manner. The deflector rod of the washing machine clutch is arranged above the bracket 8, and the deflector rod of the washing machine clutch is driven to move through the movement of the bracket 8, so that the opening or closing of the washing machine clutch is controlled.
The first cam 4, the second cam 5 and the eccentric 6 are concentrically disposed on the motor shaft of the driving motor 21, and the cam groove 41 of the first cam 4, the cam projection 51 of the second cam 5 and the cam shaft 61 of the eccentric 6 are disposed in the same direction.
The working process of the utility model is as follows:
in the initial state, the slide rod 7 is located at the lowest position, the protruding shaft 61 of the eccentric wheel 6 is arranged in the protruding shaft groove 72 of the slide rod 7, the protruding shaft 61 is located at the lowest point of the eccentric wheel 6, the cam protrusion 51 of the second cam 5 abuts against the second movable contact piece 35, and the third movable contact 351 of the second movable contact piece 35 is in contact with the third fixed contact 361 on the third fixed contact piece 36, so that the electrical connection is realized. The driving motor 21 is electrified, and the driving motor 21 drives the first cam 4, the second cam 5 and the eccentric wheel 6 to rotate through the motor shaft. Along with the rotation of the eccentric wheel 6, the slide rod 7 slides upwards, and the bracket 8 on the slide rod 7 pushes the clutch shift lever to move slowly, so that the clutch of the washing machine is opened.
As the driving motor 21 rotates the first cam 4, the first deformation protrusion 341 on the first movable contact piece 34 enters the cam groove 41 on the first cam 4, causing the first movable contact 342 and the second movable contact 343 to be electrically disconnected from the first stationary contact 321 and the second stationary contact 322, thereby realizing a plurality of operation strokes during the closing process of the clutch of the washing machine, and reducing the wear caused by the rapid opening and closing of the clutch.
Compared with the prior art, the intelligent control drainage tractor for the washing machine, provided by the utility model, has the advantages that the eccentric wheel is driven by the motor to control the sliding of the sliding rod supporting assembly to realize the opening and closing of the clutch, the on-off of the driving motor is controlled by the matching of the first cam and the second cam with the reed switch assembly, the on-off of the washing machine clutch is controlled by a plurality of strokes, the abrasion caused by the rapid resetting of the clutch after the tractor is powered off is effectively avoided, and the service life of the washing machine is prolonged.
According to the tractor, the shell comprises the motor box and the slide bar box arranged on the rear end face of the motor box, the outer cover and the upper cover are respectively arranged on the openings of the motor box and the slide bar box, and the outer cover and the upper cover are arranged on the motor box and the slide bar box through the fixing buckles, the fixing clamping grooves and the screws.
The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
Claims (10)
1. The utility model provides a washing machine intelligent control drainage tractor, includes the casing, its characterized in that still includes in the casing:
the motor assembly comprises a driving motor and a transmission gear, a motor shaft of the driving motor penetrates through the shell, and the transmission gear is arranged on the motor shaft of the driving motor;
the reed switch assembly comprises a reed mounting plate, a front reed assembly and a rear reed assembly, wherein the front reed assembly and the rear reed assembly are used for controlling the driving motor;
the first cam and the second cam are rotationally arranged on the reed mounting plate and are respectively matched with the movable contact pieces of the front reed component and the rear reed component to ensure that the movable contact pieces are in contact connection with the static contact pieces;
the eccentric wheel, the first cam and the second cam are sleeved on a motor shaft of the driving motor and are arranged on the rear end surface of the shell, and a convex shaft is arranged on the rear end surface of the eccentric wheel;
the sliding rod supporting assembly is arranged on the rear end face of the shell and comprises a sliding rod and a support, a protruding shaft groove is formed in the front end face of the sliding rod, and the protruding shaft is arranged in the protruding shaft groove and drives the sliding rod to slide up and down along with the rotation of the eccentric wheel; the bracket is arranged in the bracket groove of the sliding rod and used for supporting the clutch deflector rod.
2. The intelligent control drain retractor of a washing machine of claim 1 wherein the housing comprises:
the front end surface of the motor box is provided with an opening; the motor assembly, the reed switch assembly, the first cam and the second cam are arranged in the motor box;
the sliding rod box is arranged on the rear end face of the motor box, and an opening is formed in the rear end face of the sliding rod box; motor shaft holes which are arranged in a penetrating way are formed in the motor box and the slide bar box, and a motor shaft of the driving motor is arranged in the motor shaft holes;
the outer cover is arranged on the opening of the motor box;
the upper cover is arranged on the opening of the slide bar box, the top surface of the upper cover is provided with a washing machine deflector rod groove, and the side surface of the upper cover is provided with a clutch deflector rod groove.
3. The intelligent control drainage retractor of a washing machine as claimed in claim 2, wherein the top and bottom surfaces of the motor box are provided with first fixing buckles, and the top and bottom surfaces of the outer cover are provided with first fixing clamping grooves adapted to the first fixing buckles.
4. The intelligent control drainage retractor of a washing machine according to claim 2, wherein a limiting rib is arranged on the outer side surface of the motor box, the limiting rib is vertically arranged on the outer side surface of the motor box, and a limiting groove matched with the limiting rib is arranged on the outer side surface of the outer cover.
5. The intelligent control drainage retractor of a washing machine as claimed in claim 2, wherein a second fixing buckle and a screw fixing part are arranged on the outer side surface of the slide bar box, and a second fixing clamping groove and a fixing lug which are matched with the second fixing buckle and the screw fixing part are arranged on the outer side surface of the upper cover.
6. The intelligent control drain retractor of a washing machine according to claim 2, wherein the front reed assembly is provided on the front end surface of the reed mounting plate, comprising:
the first movable contact piece is U-shaped, two side arms of the first movable contact piece are provided with first deformation convex parts, and the end parts of the two side arms are provided with first movable contacts;
the first static contact piece and the second static contact piece are arranged on two sides of the first movable contact piece, and a first static contact point and a second static contact point are arranged on the end parts of the first static contact piece and are used for being in contact electrical connection with the first movable contact point.
7. The intelligent control drainage retractor of a washing machine as claimed in claim 6, wherein the rear reed assembly is provided on the rear end surface of the reed mounting plate, comprising:
the second movable contact spring is electrically connected with the first movable contact spring; the end part of the first movable contact is provided with a first deformation convex part and a first movable contact;
and the third static contact piece is arranged on one side of the second movable contact piece, and the end part of the third static contact piece is provided with a third static contact.
8. The intelligent control drainage retractor of a washing machine as claimed in claim 6, wherein the first cam is provided with a cam groove on the outer circumferential surface, and the shape and size of the cam groove are matched with those of the first deformation protrusion.
9. The intelligent control drainage retractor of washing machine of claim 7 wherein a cam protrusion is provided on the outer circumferential surface of the second cam for pushing the second deformation protrusion to electrically connect the second movable contact with the third stationary contact.
10. The intelligent control drainage retractor of washing machine according to claim 1 wherein a spring is further provided between said bracket and said sliding bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123212667.2U CN216786578U (en) | 2021-12-17 | 2021-12-17 | Intelligent control drainage tractor of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123212667.2U CN216786578U (en) | 2021-12-17 | 2021-12-17 | Intelligent control drainage tractor of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216786578U true CN216786578U (en) | 2022-06-21 |
Family
ID=82008883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123212667.2U Active CN216786578U (en) | 2021-12-17 | 2021-12-17 | Intelligent control drainage tractor of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216786578U (en) |
-
2021
- 2021-12-17 CN CN202123212667.2U patent/CN216786578U/en active Active
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