CN112853690A

CN112853690A - Switching device

Info

Publication number: CN112853690A
Application number: CN202011622132.XA
Authority: CN
Inventors: 鲍鹏飞; 郑如意; 毛恒毅
Original assignee: Hangzhou Kambayashi Electronics Co Ltd
Current assignee: Hangzhou Kambayashi Electronics Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-28

Abstract

The invention provides a switcher, which comprises a camshaft, a valve core and a switching valve body, wherein the switching valve body is provided with a plurality of inlets and outlets, the plurality of inlets and outlets are provided with the valve core in a matching way, the switching valve body is internally provided with the camshaft, the camshaft is sequentially provided with a plurality of lugs which are in one-to-one correspondence with the inlets and the outlets respectively along the axial direction of the camshaft, two adjacent lugs are staggered by a certain angle, and when any lug abuts against the corresponding valve core, the valve core is controlled to move to separate from the plugging of the corresponding inlet or outlet. The switcher can realize multi-path switching control, is high in integration, reduces electrified devices, and can reduce cost.

Description

Switching device

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of washing devices, in particular to a switcher.

[ background of the invention ]

With the progress of the technology, the existing full-automatic washing machine has the function of automatically putting detergent in succession, namely, the detergent in a detergent storage container is put into a washing barrel to be washed by using a putting pump according to the calculated detergent putting amount through the control of a washing machine program.

However, the existing automatic washing machine usually puts in various detergents, such as laundry detergent, softener, disinfectant, etc. This just needs a plurality of pumps of puting in to throw in respectively, throws in the pump quantity more, and the structure is complicated, and the cost can be very high.

[ summary of the invention ]

The present invention is directed to solve the problems of the prior art, and provides a switch, which can implement multi-path switching control, has high integration, reduces the number of power-on devices, and can reduce the cost.

In order to achieve the purpose, the invention provides a switcher, which comprises a camshaft, a valve core and a switching valve body, wherein the switching valve body is provided with a plurality of inlets and outlets, the valve core is arranged on the plurality of inlets and outlets, the switching valve body is internally provided with the camshaft, the camshaft is sequentially provided with a plurality of lugs which are in one-to-one correspondence with the inlets and the outlets along the axial direction of the camshaft, two adjacent lugs are staggered by a certain angle, and when any one lug abuts against the corresponding valve core, the action of the valve core is controlled to be separated from the plugging of the corresponding inlet or outlet.

Preferably, the device further comprises a motor, a transmission switching mechanism, a driving shaft and a pump assembly, wherein the motor can be controlled to output forward and reverse rotation power, the transmission switching mechanism is used for controlling power transmission between the motor and a cam shaft or between the motor and the driving shaft, the output end of the driving shaft is connected with the pump assembly, when the motor rotates in the forward direction, the transmission switching mechanism controls the cam shaft and the motor to realize power transmission, the motor controls the valve core to move through the cam shaft, and the driving shaft does not rotate; when the motor rotates reversely, the transmission switching mechanism controls the driving shaft and the motor to realize power transmission, the motor controls the driving shaft to rotate, the pump assembly is driven to work, and the cam shaft does not rotate.

Preferably, the switching valve further comprises a transmission mechanism, an input end of the transmission mechanism is connected with the motor through a transmission switching mechanism, an output end of the transmission mechanism is connected with the cam shafts in the switching valve bodies, when the motor rotates in the forward direction, the transmission switching mechanism controls the transmission mechanism and the motor to achieve power transmission, and the motor controls the cam shafts to act through the transmission mechanism.

Preferably, the transmission switching mechanism comprises a first ratchet wheel and a second ratchet wheel, the first ratchet wheel and the second ratchet wheel are arranged on an output shaft of the motor in parallel, the tooth directions of the first ratchet wheel and the second ratchet wheel are opposite, the pawl directions of the two ratchet wheels are opposite, the motor drives the cam shaft and the driving shaft through the first ratchet wheel and the second ratchet wheel respectively, when the motor rotates in the forward direction, the first ratchet wheel operates and drives the cam shaft to move, and when the motor rotates in the reverse direction, the second ratchet wheel operates and controls the driving shaft to move.

Preferably, the switching valve further comprises a motor and a transmission mechanism, wherein the output end of the transmission mechanism is connected with the camshafts of the switching valve bodies, and the motor controls the camshafts to rotate through the transmission mechanism.

Preferably, the transmission mechanism comprises a driving wheel and a plurality of driven wheels meshed with the driving wheel, and the driving wheel controls the rotation of the camshaft through the driven wheels.

Preferably, the driving wheel is provided with a hole which is used as an encoding disc and can be used for reading the station state of the switcher.

Preferably, the pump assembly further comprises a connecting rod mechanism, a piston is arranged in the pump assembly, the driving shaft is connected with the piston through the connecting rod mechanism, the reciprocating motion of the piston in the cavity of the pump assembly is controlled through the connecting rod mechanism, a pump inlet of the pump assembly is connected with one outlet of the switching valve body, and a pump outlet of the pump assembly is connected with one inlet of the switching valve body.

Preferably, the valve core is arranged on a valve seat of the inlet or the outlet through a spring and used for plugging the inlet or the outlet, and the valve core acts when being acted by the camshaft to separate from the plugging of the inlet or the outlet and open the inlet or the outlet.

The invention has the beneficial effects that: the invention integrates multiple in, multiple out, switching and pump work together, and realizes all functions by one motor, thereby not only reducing the volume, but also reducing the cost of electrified devices. The motor can switch a plurality of inlets, a plurality of outlets and detergent. In addition, the pump module can be combined with a multi-channel module or a multi-channel and multi-module to realize one-output or one-output control.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of a switch embodiment 1 according to the present invention;

FIG. 2 is a schematic view in cross section along AA of FIG. 1;

FIG. 3 is a schematic view of the cross-section of FIG. 1 taken along direction BB;

FIG. 4 is a schematic view of the cross-section taken along line CC of FIG. 2;

FIG. 5 is a schematic view of the cross-section DD of FIG. 2;

FIG. 6 is a schematic view of the camshaft of a switch of the present invention;

FIG. 7 is a schematic view showing a switch of embodiment 1 of the present invention, in which no valve element is installed in ports A, a and f, and the switch is normally open;

fig. 8 is a schematic structural diagram of a switch embodiment 2 of the present invention;

fig. 9 is a schematic structural diagram of a switch embodiment 3 according to the present invention;

fig. 10 is a schematic structural diagram of a switch embodiment 4 of the present invention;

fig. 11 is a schematic structural diagram of a switch embodiment 5 of the present invention.

In the figure, a motor-1, a transmission switching mechanism-2, a first ratchet wheel-21, a second ratchet wheel-22, a first clutch device-23, a second clutch device-24, a driving shaft-20, a transmission mechanism-3, a driving wheel-31, a driven wheel-32, a cam shaft-4, a bump-41, a valve core-5, a spring-51, a switching valve body-6, a water inlet-7, a detergent inlet-8, a common outlet-9, a common inlet-10, an outlet-11, a link mechanism-12, a pump assembly-13, a piston-14, a pump inlet-15, a pump outlet-16 and a storage cavity-17.

[ detailed description ] embodiments

Example 1

Referring to fig. 1 to 6, the switcher of the present invention includes a camshaft 4, a valve core 5 and a switching valve body 6, the switching valve body 6 is provided with a plurality of inlets and outlets, wherein the plurality of inlets and outlets are provided with the valve core 5, the switching valve body 6 is provided with the camshaft 4 therein, the camshaft 4 is provided with a plurality of projections 41 corresponding to the respective inlets and outlets in sequence along the axial direction thereof, two adjacent projections 41 are staggered by a certain angle, and when any one projection 41 abuts against the corresponding valve core 5, the valve core 5 is controlled to move to separate from the plugging of the corresponding inlet or outlet. In the present exemplary embodiment, the switching device has two switching valve bodies 6 with camshaft, 6 cams are provided on each camshaft 4, two adjacent cams are staggered by 60 degrees, and 12 ports (inlet/outlet ports) are provided on the two switching valve bodies 6.

Further, the device comprises a motor 1, a transmission switching mechanism 2, a driving shaft 20 and a pump assembly 13, wherein the motor 1 can be controlled to output forward and reverse rotation power, the transmission switching mechanism 2 is used for controlling power transmission between the motor 1 and a cam shaft 4 or between the motor 1 and the driving shaft 20, the output end of the driving shaft 20 is connected with the pump assembly 13, when the motor 1 rotates in the forward direction, the transmission switching mechanism 2 controls the cam shaft 4 to realize power transmission with the motor 1, the motor 1 controls a valve core 5 to act through the cam shaft 4, and the driving shaft 20 does not rotate; when the motor 1 rotates reversely, the transmission switching mechanism 2 controls the driving shaft 20 to realize power transmission with the motor 1, the motor 1 controls the driving shaft 20 to rotate, the driving pump assembly 13 works, and the cam shaft 4 does not rotate.

Further, the motor driving device further comprises a transmission mechanism 3, the input end of the transmission mechanism 3 is connected with the motor 1 through the transmission switching mechanism 2, the output end of the transmission mechanism is connected with the cam shafts 4 in the switching valve bodies 6, when the motor 1 rotates in the forward direction, the transmission switching mechanism 2 controls the transmission mechanism 3 to realize power transmission with the motor 1, and the motor 1 controls the cam shafts 4 to act through the transmission mechanism 3.

Specifically, in this embodiment, the transmission switching mechanism 2 includes a first ratchet wheel 21 and a second ratchet wheel 22, the first ratchet wheel 21 and the second ratchet wheel 22 are arranged side by side on the output shaft of the motor 1, the tooth directions of the first ratchet wheel 21 and the second ratchet wheel 22 are opposite, and the pawl directions of the two ratchet wheels are opposite, the motor 1 drives the cam shaft 4 and the driving shaft 20 through the first ratchet wheel 21 and the second ratchet wheel 22, when the motor 1 rotates forward, the first ratchet wheel 21 operates and drives the cam shaft 4 to move, and when the motor 1 rotates backward, the second ratchet wheel 22 operates and controls the driving shaft 20 to move.

Specifically, in the present embodiment, the transmission mechanism 3 includes a driving wheel 31 and two driven wheels 32 engaged with the driving wheel 31, the motor 1 controls the driving wheel 31 to rotate through the first ratchet 21, and the driving wheel 31 controls the two camshafts 4 to rotate through the two driven wheels 32 respectively. Of course, the specific number of driven wheels 32 may be set as desired, and is not limited to two.

Furthermore, the driving wheel 31 is provided with an opening for use as a code disc for reading the station status of the switcher, thereby realizing control. Wherein, the trompil has a plurality ofly, and is the circumference and distributes.

Further, the valve core 5 is installed on a valve seat of the inlet or the outlet through a spring 51 and blocks the inlet or the outlet, and the valve core 5 moves when being acted by the camshaft 4 to separate from the blocking of the inlet or the outlet and open the inlet or the outlet.

Referring to fig. 7, the working principle of the present embodiment is as follows:

1. the motor 1 drives 2 ratchets in fig. 4 and 5 to rotate in opposite directions, and when the motor rotates clockwise, the first ratchet 21 drives the driving wheel 31 to rotate, and the driving shaft 20 does not rotate. Conversely, when the motor 1 rotates counterclockwise, the second ratchet 22 drives the driving shaft 20 to rotate, and drives the pump assembly 14 to work.

2. The motor 1 acts clockwise: the driving wheel 31 rotates, and the driven wheel 32 drives the camshaft 4 to rotate; when the salient point of the convex block 41 of the camshaft 4 rotates to be abutted against the valve core 5, the valve core 5 of the switcher is jacked open, and the ports A and a are opened; the other ports of the diverter spool 5 are urged against the outlet by the spring 51 and the other ports are blocked. When the motor 1 is in different positions, the 12 ports are opened in sequence.

3. The motor 1 acts counterclockwise: drive the pump assembly to work

4. Position control: the openings of the driving wheel 31 are used as coding discs, as shown in fig. 4. Therefore, the station state of the switcher can be read out, and control is achieved.

This embodiment combines the detergent to wash the flow, and is in the same place the multiple entry, the multiple exit, switches and pump work integration, realizes all functions with a motor, has both reduced the volume, has also reduced the circular telegram device and has reduced the cost.

Example 2

Referring to fig. 8, in the present embodiment, the difference from embodiment 1 is that the transmission switching mechanism 2 includes two clutch mechanisms: the first clutch device 23 and the second clutch device 24 (the clutch devices adopt the existing clutch mechanism, so the specific structure of the clutch devices is not shown in the figure), when the motor 1 outputs a positive rotation force or a reverse rotation force, one of the first clutch device 23 and the second clutch device 24 is in a power engagement state, and the other one is in a power disengagement state, and the motor 1 transmits the power to the corresponding camshaft 4 or the corresponding driving shaft 20 through the clutch mechanism in the power engagement state. Furthermore, the left-hand switching valve body 6 has a water inlet 7, four detergent inlets 8 and a common outlet 9 which is connected to a pump inlet 15 of the pump assembly 13, and the right-hand switching valve body 6 has five outlets 11 and a common inlet 10 which is connected to a pump outlet 16 of the pump assembly 13 via a storage chamber 17.

Further, the pump assembly further comprises a connecting rod mechanism 12, a piston 14 is arranged in the pump assembly 13, the driving shaft 20 is connected with the piston 14 through the connecting rod mechanism 12, the piston 14 is controlled to reciprocate in a cavity of the pump assembly 13 through the connecting rod mechanism 12, a pump inlet 15 of the pump assembly 13 is connected with an outlet of the switching valve body 6, and a pump outlet 16 of the pump assembly 13 is connected with an inlet of the switching valve body 6.

Referring to fig. 8, the working principle of the present embodiment is as follows:

1. a plurality of valve cores 5 are arranged in the valve body 6, correspond to outlets or inlets one by one, move along with the camshaft 4, one port is opened, other ports are closed, meanwhile, the valve cores 5 can be removed independently, and the normally open valve core of the port is realized.

2. The transmission mechanism 3 drives a plurality of camshafts 4 simultaneously, and synchronous control of a plurality of ports can be realized.

3. The motor 1 controls the transmission mechanism 3 in a forward rotation mode and controls the connecting rod mechanism 12 in a reverse direction mode through two clutch mechanisms.

4. The piston 14 is moved repeatedly by the link mechanism 12 to suck and discharge the detergent into and out of the storage chamber 16.

In this embodiment, the motor 1 can switch between a multi-inlet and a multi-outlet, and can also put in detergent.

Example 3

Referring to fig. 9, in the present embodiment, the difference from embodiment 2 is that there is only one switching valve body 6 with the camshaft 4 associated, which switching valve body 6 has five detergent inlets 8 and a common outlet 9 connected to the pump inlet 15 of the pump assembly 13.

Example 4

Referring to fig. 10, the present embodiment differs from embodiment 3 in that the switching valve body 6 has five outlets 11 and a common inlet 10 connected to a pump outlet 16 of a pump assembly 13.

In example 3 and example 4: the pump module can be combined with a multi-in module or a multi-in and multi-module to realize one-out or one-out control.

Example 5

Referring to fig. 11, in the present embodiment, a single power source is used to control the operation of two switches, and the two switches have two switching valve bodies 6 provided with camshafts 4. The switching valve body 6 is provided with a plurality of inlets and outlets, wherein the plurality of inlets and outlets are provided with the valve core 5, the switching valve body 6 is internally provided with the camshaft 4, the camshaft 4 is sequentially provided with a plurality of lugs 41 which are in one-to-one correspondence with the inlets and the outlets along the axial direction of the camshaft 4, two adjacent lugs 41 are staggered by a certain angle, and when any lug 41 abuts against the corresponding valve core 5, the valve core 5 is controlled to move to separate from plugging of the corresponding inlet or outlet. Specifically, still include motor 1 and drive mechanism 3, the output end of drive mechanism 3 links to each other with two camshafts 4 that switch over valve body 6, drive mechanism 3 includes action wheel 31 and two from driving wheel 32 with action wheel 31 engaged with, action wheel 31 passes through from driving wheel 32 control two camshaft 4 and rotate. Of course, the specific number of the switching valve body 6 and the driven wheel 32 may be set as required, and is not limited to two. Wherein, the left switching valve body 6 is provided with six detergent inlets 8, and the right switching valve body 6 is provided with six outlets 11.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. A switch, characterized by: the automatic valve comprises a camshaft (4), a valve core (5) and a switching valve body (6), wherein a plurality of inlets and outlets are formed in the switching valve body (6), the valve core (5) is arranged on the plurality of inlets and outlets in a matched mode, the camshaft (4) is arranged in the switching valve body (6), a plurality of convex blocks (41) which correspond to the inlets and the outlets one to one are sequentially arranged on the camshaft (4) along the axial direction of the camshaft, every two adjacent convex blocks (41) are staggered by a certain angle, and when any one convex block (41) abuts against the corresponding valve core (5), the valve core (5) is controlled to move to be separated from plugging of the corresponding inlet or outlet.

2. A switch as claimed in claim 1, wherein: the electric motor driving device is characterized by further comprising a motor (1), a transmission switching mechanism (2), a driving shaft (20) and a pump assembly (13), wherein the motor (1) can be controlled to output forward and reverse rotation power, the transmission switching mechanism (2) is used for controlling power transmission between the motor (1) and a cam shaft (4) or between the motor (20), the output end of the driving shaft (20) is connected with the pump assembly (13), when the motor (1) rotates in the forward direction, the transmission switching mechanism (2) controls the cam shaft (4) and the motor (1) to achieve power transmission, the motor (1) controls a valve core (5) to move through the cam shaft (4), and the driving shaft (20) does not rotate; when the motor (1) rotates reversely, the transmission switching mechanism (2) controls the driving shaft (20) to realize power transmission with the motor (1), the motor (1) controls the driving shaft (20) to rotate, the driving pump assembly (13) works, and the cam shaft (4) does not rotate.

3. A switch as claimed in claim 2, wherein: still include drive mechanism (3), the input of drive mechanism (3) links to each other with motor (1) through transmission switching mechanism (2), and the output links to each other with camshaft (4) in a plurality of switching valve body (6), and when motor (1) forward rotation, power transmission is realized with motor (1) to drive switching mechanism (2) control drive mechanism (3), and motor (1) is through a plurality of camshafts (4) actions of drive mechanism (3) control.

4. A switch as claimed in claim 3, wherein: the transmission switching mechanism (2) comprises a first ratchet wheel (21) and a second ratchet wheel (22), the first ratchet wheel (21) and the second ratchet wheel (22) are arranged on an output shaft of the motor (1) side by side, the tooth shapes of the first ratchet wheel (21) and the second ratchet wheel (22) are opposite in direction, pawls of the two ratchet wheels are opposite in direction, the motor (1) drives the cam shaft (4) and the driving shaft (20) through the first ratchet wheel (21) and the second ratchet wheel (22) respectively, when the motor (1) rotates in the forward direction, the first ratchet wheel (21) operates and drives the cam shaft (4) to act, and when the motor (1) rotates in the reverse direction, the second ratchet wheel (22) operates and controls the driving shaft (20) to act.

5. A switch as claimed in claim 1, wherein: the valve switching mechanism is characterized by further comprising a motor (1) and a transmission mechanism (3), wherein the output end of the transmission mechanism (3) is connected with the camshafts (4) of the switching valve bodies (6), and the motor (1) controls the camshafts (4) to rotate through the transmission mechanism (3).

6. A switch as claimed in claim 4 or 5, characterized in that: the transmission mechanism (3) comprises a driving wheel (31) and a plurality of driven wheels (32) meshed with the driving wheel (31), and the driving wheel (31) controls the camshaft (4) to rotate through the driven wheels (32).

7. A switch as claimed in claim 6, wherein: the driving wheel (31) is provided with an opening and is used as an encoding disc for reading the station state of the switcher.

8. A switch as claimed in claim 2, wherein: still include link mechanism (12), be equipped with piston (14) in pump assembly (13), drive shaft (20) link to each other with piston (14) through link mechanism (12), control piston (14) through link mechanism (12) and reciprocating motion in the cavity of pump assembly (13), pump inlet (15) of pump assembly (13) link to each other with an export of switching valve body (6), pump outlet (16) of pump assembly (13) link to each other with an import of switching valve body (6).

9. A switch as claimed in claim 1, wherein: the valve core (5) is arranged on a valve seat of the inlet or the outlet through a spring (51) and blocks the inlet or the outlet, and the valve core (5) acts when being acted by the camshaft (4) to break away from the blocking of the inlet or the outlet and open the inlet or the outlet.