CN209856481U - Switch module and water heater - Google Patents
Switch module and water heater Download PDFInfo
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- CN209856481U CN209856481U CN201920668987.2U CN201920668987U CN209856481U CN 209856481 U CN209856481 U CN 209856481U CN 201920668987 U CN201920668987 U CN 201920668987U CN 209856481 U CN209856481 U CN 209856481U
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Abstract
The utility model provides a switch module and water heater, wherein, switch module includes: the deflector rod assembly comprises a cam and a deflector rod which rotates around the rotating shaft together with the cam and one end of which extends outwards; the water valve comprises an ejector rod for controlling the opening and closing of the water valve, a water inlet for flowing into the water valve and a water outlet for flowing out of the water valve; and the switch piece comprises a contact for controlling the on-off circuit of the switch piece, when the deflector rod assembly rotates to the first position, the ejector rod of the water valve is driven by the cam to open the water valve to connect the water passage, and the contact of the switch piece is communicated to connect the circuit. Through the technical scheme of the utility model, make the switch-on in water route and the switch-on of circuit go on in step effectively, reduced the waste of resource, saved electric power, and adopt mechanical type structure, easy operation, job stabilization is reliable.
Description
Technical Field
The utility model relates to an automatically controlled technical field particularly, relates to a switch module and a water heater.
Background
At present, in an instant water heater, a water flow state is detected through a water flow sensor or a floater reed pipe sensor, so that the water flow state is electrified and heated or powered off, however, an impeller of the water flow sensor is easily blocked by foreign matters, and the work is disabled; the floater of the floater type reed switch sensor is easily blocked by foreign matters, so that the work is invalid; in addition, the sensor only determines the power on and off control of a heating device of the water heater, the power on and off of the whole water heater is controlled by an air switch at a wiring position, if the position of the air switch is far away from the water heater, a user cannot frequently turn on and off the air switch, the whole water heater is always in a power-on state, the waste of electric energy is caused, and the aging of the water heater is easily caused.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
In view of the above, an object of the present invention is to provide a switch assembly.
Another object of the utility model is to provide a water heater.
In order to achieve the above object, the present invention provides a switch assembly, including: the deflector rod assembly comprises a cam and a deflector rod which rotates around the rotating shaft together with the cam and one end of which extends outwards; the water valve comprises an ejector rod for controlling the opening and closing of the water valve, a water inlet for flowing into the water valve and a water outlet for flowing out of the water valve; and the switch piece comprises a contact for controlling the on-off circuit of the switch piece, when the deflector rod assembly rotates to the first position, the ejector rod of the water valve is driven by the cam to open the water valve to connect the water passage, and the contact of the switch piece is communicated to connect the circuit.
In the technical scheme, when the ejector rod is used for connecting the water channel, the contact is communicated to connect the circuit, namely the communication of the circuit is synchronous with the communication of the water channel, so that the circuit is only connected when water is used, the circuit is prevented from being always in a power-on state, the waste of electric energy is reduced, and the service life of the switch assembly is prolonged.
Specifically, the cam and the deflector rod rotate around the rotating shaft together, when the deflector rod assembly rotates to a first position, the cam rotates by a first angle from the first position, so that a mandril for controlling the water valve switch is pushed by the cam to switch on the water channel, and simultaneously, after the cam rotates by the first angle, the contact of the on-off circuit of the switch piece is also communicated by the driving of the cam; the structure is a simple mechanical structure, so that faults such as clamping and the like are not easy to occur, the maintenance is convenient, and the reliability and the stability of the use of the switch assembly are improved; the operating mode is simple, and the driving lever stretches out outwards, makes the user only need use one to two fingers or use other article to stir the driving lever gently and can open or close water route, circuit, when switch module's position is higher, to short user of stature or disabled personage, also can operate, has greatly promoted the convenience that switch module used.
The switch part can also be a normally open switch, and when the contacts are communicated, the switch part is closed to communicate the circuit.
In the above technical solution, the switch assembly further includes: the mounting base, driving lever subassembly, water valve and switch member all locate on the mounting base, and the mounting base includes mutually perpendicular's bottom plate and curb plate, and wherein, seted up the driving lever through-hole on the curb plate, the driving lever is stretched out the mounting base by the driving lever through-hole.
In the technical scheme, the deflector rod assembly, the water valve and the switch piece are all arranged on the mounting base, so that the integrity and the compactness of a product are improved; the deflector rod extends out of the deflector rod through hole to extend out of the mounting base, so that operation of a user is facilitated, the user is separated from a water valve and a switch piece in the mounting base through a bottom plate and a side plate of the mounting base, the water valve and the switch piece are prevented from being damaged due to collision, parts such as the water valve and the switch piece are protected, the service life of the switch assembly is prolonged, the user is protected, and safety accidents such as electric shock are avoided.
In the technical scheme, the rotating shaft is fixedly arranged on the bottom plate, the cam is fixedly connected with the shifting rod, and the cam and the shifting rod are arranged on one side, away from the bottom plate, of the rotating shaft.
In the technical scheme, the cam and the deflector rod can be ensured to synchronously rotate through the fixed connection of the cam and the deflector rod, so that when the deflector rod rotates, the cam can simultaneously drive the ejector rod to open the water valve to connect a water path and connect a circuit through the contact of the switch piece; the rotating shaft is arranged on the bottom plate, so that the rotating shaft is conveniently supported by the bottom plate, the rotating stability of the rotating shaft is ensured, and the degree of freedom of the rotating shaft in the axial direction is limited; the cam and the shifting lever are arranged on one side, far away from the bottom plate, of the rotating shaft, so that gaps among the bottom plate, the cam and the shifting lever are increased conveniently, the shifting lever or the cam is prevented from being clamped at the gap, and the working stability and reliability of the shifting lever assembly are improved.
In above-mentioned technical scheme, the bottom of driving lever is equipped with the recess, and switch module still includes: spacing portion, locate the bottom plate on, spacing portion specifically includes: the limiting column is arranged on the bottom plate and is hollow; the elastic locating part is arranged in the limiting column and comprises an elastic part connected with the bottom plate and a protruding part arranged at one end of the elastic part, and when the shifting lever assembly rotates to a preset position, the protruding part is clamped in the groove to limit the degree of freedom of the shifting lever.
In the technical scheme, the protruding part is clamped in the groove, so that the deflector rod assembly stops rotating when rotating to the preset position, the cam stops rotating along with the deflector rod assembly, and when the preset position is the first position for connecting the water channel and the circuit, the cam can accurately drive the ejector rod to open the water valve to connect the water channel; and because the elastic limiting part is used for limiting, when the waterway is not required to be switched on, the deflector rod assembly can be reversely rotated to switch off the waterway, so that the operation is simple, in addition, the elastic part is used for limiting, and the switch assembly is easy to sense by a user when reaching a preset position in the rotating process, so that the use convenience of the switch assembly is improved.
The elastic limiting part is arranged in the limiting column and can be fixed and limited, the groove is arranged at the bottom of the shifting rod, namely the limiting column is perpendicular to the shifting rod, and therefore the two ends of the elastic limiting part are respectively abutted against the bottom plate and the groove, and the limiting effect of the elastic limiting part is favorably improved.
In the above technical solution, the switch assembly further includes: and one end of the reset elastic piece is fixedly arranged on the bottom plate, and the other end of the reset elastic piece is fixedly connected with the shifting lever assembly.
In this technical scheme, the both ends of the elastic component that resets link to each other with bottom plate and driving lever subassembly respectively, are convenient for provide the helping hand for the rotation of driving lever subassembly through the elastic potential energy of the elastic component that resets, promote the convenience that the driving lever used.
In the technical scheme, the driving lever assembly rotates to the second position under the action of external force, the reset elastic piece stores elastic potential energy, and the driving lever assembly rotates to the first position under the action of the reset elastic piece when the driving lever assembly is not subjected to the external force.
In the technical scheme, the deflector rod assembly rotates to the second position, and the elastic potential energy is stored in the reset elastic piece, so that the assistance force is provided for resetting the deflector rod assembly, the resetting convenience of the deflector rod assembly is improved, and the possibility of blocking of the deflector rod assembly is reduced.
Specifically, after the protrusion of the elastic limiting member is disengaged from the groove, the shift lever assembly can rotate to a first position under the action of the elastic potential energy of the elastic restoring member, wherein the first position may be an original position or a position between the original position and a second position, and the elastic potential energy in the elastic restoring member completely disappears only when the shift lever assembly returns to the original position.
It is understood that the return elastic member may be any one of a spring, a torsion spring, and a leaf spring.
In any one of the above technical solutions, the push rod and the contact are disposed on two sides of the lever assembly, the cam is provided with two protrusions, when the lever assembly rotates to the first position, one of the two protrusions drives the push rod to move to connect the water path, and the other one of the two protrusions is matched with the contact to connect the circuit.
In the technical scheme, the two protruding parts are arranged on the cam, so that the two protruding parts can synchronously move together with the cam, one protruding part drives the ejector rod to be communicated with the water channel, and the other protruding part can be matched with the contact of the switch piece to be communicated with the circuit, so that the water channel is communicated with the circuit synchronously.
In any one of the above technical solutions, the plunger and the contact are disposed on two sides of the lever assembly, the number of the cams is two, when the lever assembly rotates to the first position, the protrusion of one of the two cams drives the plunger to move to connect the water path, and the protrusion of the other cam abuts against the contact to connect the circuit.
In the technical scheme, the two cams are arranged, so that the protruding parts arranged on each cam can synchronously move along with the rotation of the shifting lever, one protruding part drives the ejector rod to connect the water channel, and the other protruding part can abut against the switch part to connect the circuit, thereby ensuring the synchronization of water channel connection and circuit connection.
In any one of the above technical solutions, the switch member is a microswitch, and the switch assembly further includes: the switch bracket is fixedly arranged on the mounting base, and the microswitch is arranged on the switch bracket.
In this technical scheme, locate the micro-gap switch on the switch support, be favorable to providing stable support for micro-gap switch, make micro-gap switch can not take place to shift when being supported by the bellying to can guarantee that the circuit switches on smoothly and remain stable, promote the stability and the reliability of switch module work, and micro-gap switch's sensitivity is high, and occupation space is little.
In any one of the above technical solutions, one end of the shift lever is fixedly connected to the circumferential direction of the rotating shaft, and the other end of the shift lever extends outward along the radial direction of the rotating shaft.
In this technical scheme, through the circumference fixed connection of the one end of driving lever and rotation axis, the radial outside extension of rotation axis is followed to the other end, when the driving lever rotates like this, can drive the rotation axis rotatory, and then realizes the rotation of cam, and the driving lever of outside extension is favorable to the user to grip, promotes the convenience that the product used.
The utility model discloses technical scheme of second aspect provides a water heater, including the switch module of any one of above-mentioned first aspect.
In this technical scheme, through adopting the switch module of any one of above-mentioned technical scheme to have above-mentioned technical scheme's whole beneficial effect, no longer describe here.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic perspective exploded view of a switch assembly according to an embodiment of the present invention;
fig. 2 is a schematic perspective exploded view of a switch assembly according to another embodiment of the present invention;
fig. 3 is a schematic perspective view of a shift lever of a switch assembly according to an embodiment of the present invention in a first position;
fig. 4 is a schematic top view of a switch assembly according to an embodiment of the present invention, with the lever in a first position;
fig. 5 is a schematic perspective view of a switch assembly according to an embodiment of the present invention, wherein the shift lever is located at a second position;
fig. 6 is a schematic top view of a switch assembly according to an embodiment of the present invention, wherein the lever is located at a second position.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:
10 mounting base, 100 bottom plate, 102 side plate, 104 through hole of deflector rod, 120 deflector rod, 122 cam, 1220 bulge, 124 rotating shaft, 126 gland, 14 water valve, 140 mandril, 16 switch piece, 160 switch bracket, 162 contact, 180 spacing column, 182 elastic piece, 184 bulge and 20 reset elastic piece.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings, which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Some embodiments according to the invention are described below with reference to fig. 1 to 6.
As shown in fig. 1 and 2, a switch assembly according to an embodiment of the present invention includes: a mounting base 10; the deflector rod assembly is arranged on the mounting base 10 and comprises a deflector rod 120 with one end extending out of the mounting base 10 and a cam 122 which rotates around a rotating shaft 124 together with the deflector rod 120; the water valve 14 is arranged on the mounting base 10, and the water valve 14 comprises a mandril 140 for controlling the on-off of the water valve 14; and a switch 16 disposed on the mounting base 10, wherein the switch 16 includes a contact 162 for controlling the switch of the switch 16, and when the lever assembly is rotated to the first position, the stem 140 of the water valve 14 is driven by the cam 122 to open the water valve 14 to close the water circuit, and the contact 162 of the switch 16 is connected to close the circuit.
In the embodiment, the contact 162 is communicated to connect the circuit when the ejector rod 140 is communicated with the water channel, namely, the communication of the circuit and the communication of the water channel are synchronous, so that the circuit is only communicated when water is used, the circuit is prevented from being always in an open power-on state, the waste of electric energy is reduced, and the service life of the switch assembly is prolonged.
Specifically, the cam 122 and the lever 120 rotate together around the rotation shaft 124, as shown in fig. 3 and 4, when the lever assembly rotates to the first position, the cam 122 rotates by a first angle from the first position, so that the top rod 140 controlling the on-off of the water valve 14 is released by the cam 122 to connect the water path, and after rotating by the first angle, the contact 162 of the on-off circuit of the switch 16 is also released to connect by the driving of the cam 122; the structure is a simple mechanical structure, so that faults such as clamping and the like are not easy to occur, the maintenance is convenient, and the reliability and the stability of the use of the switch assembly are improved; the operation mode is simple, the user can open or close the water route and the circuit only by using one to two fingers or using other objects to slightly poke the poking rod 120, and when the position of the switch assembly is higher, the switch assembly can be operated for short users or disabled people, so that the use convenience of the switch assembly is greatly improved.
The switch 16 may be a normally open switch, and when the contact 162 is released to connect, the switch 16 is closed to connect the circuit.
In the above embodiment, the mounting base 10 includes the bottom plate 100 and the side plate 102 perpendicular to each other, wherein the side plate 102 has a rod through hole 104, and the rod 120 extends out of the mounting base 10 through the rod through hole 104.
In this embodiment, the shifter lever 120 extends out of the mounting base 10 from the shifter lever through hole 104, so as to facilitate user operation, and the bottom plate 100 and the side plate 102 of the mounting base 10 separate a user from the water valve 14 and the switch piece 16 in the mounting base 10, thereby preventing the water valve 14 and the switch piece 16 from being damaged by collision, facilitating protection of the water valve 14, the switch piece 16 and other components, prolonging the service life of the switch assembly, protecting the user, and avoiding safety accidents such as electric shock.
In the above embodiment, the rotating shaft 124 is fixedly disposed on the bottom plate 100, the cam 122 is fixedly connected to the lever 120, and the cam 122 and the lever 120 are disposed on a side of the rotating shaft 124 away from the bottom plate 100.
In this embodiment, the fixed connection between the cam 122 and the lever 120 can ensure that the cam 122 and the lever 120 rotate synchronously, so that when the lever 120 rotates, the cam 122 can simultaneously drive the push rod 140 to open the water valve 14 to connect the water path, and connect the contact 162 of the switch 16 to connect the circuit; the rotating shaft 124 is arranged on the bottom plate 100, so that the rotating shaft 124 is supported by the bottom plate 100, the rotating stability of the rotating shaft 124 is ensured, and the degree of freedom of the rotating shaft 124 in the axial direction is limited; the cam 122 and the deflector rod 120 are arranged on one side of the rotating shaft 124, which is far away from the bottom plate 100, so that the gap between the bottom plate 100 and the cam 122 and the deflector rod 120 is increased, foreign matters are prevented from entering the gap and blocking the deflector rod 120 or the cam 122, and the working stability and reliability of the deflector rod assembly are improved.
As shown in fig. 1 and 2, in the above embodiment, the bottom of the shift lever 120 is provided with a groove (not shown), and the switch assembly further includes: spacing portion, locate on bottom plate 100, spacing portion specifically includes:
the limiting column 180 is arranged on the bottom plate 100, and the limiting column 180 is hollow; the elastic limiting member is disposed in the limiting post 180, and the elastic limiting member includes an elastic member 182 connected to the bottom plate 100 and a protrusion 184 disposed at one end of the elastic member 182, wherein when the shift lever assembly rotates to a predetermined position, the protrusion 184 is engaged with the groove to limit the degree of freedom of the shift lever 120.
In this embodiment, the protrusion 184 is engaged with the groove, so that the lever assembly stops rotating when rotating to the preset position, and the cam 122 stops rotating along with the rotation, when the preset position is the first position for connecting the water path and the circuit, the cam 122 can accurately drive the push rod 140 to open the water valve 14 to connect the water path, such a mechanical structure is simple to operate, stable in operation and less in failure; in addition, the elastic limiting piece 182 is used for limiting, so that the shifting lever assembly can be rotated reversely to disconnect the water path when the water path is not required to be connected, the operation is simple, the elastic limiting piece is limited, the shifting lever assembly can be easily sensed by a user when reaching a preset position in the rotating process, and the use convenience of the switch assembly is improved.
It is understood that the preset position may be a first position or a second position; the hollow limiting column 180 is arranged on the bottom plate 100, so that the elastic limiting part is conveniently arranged in the limiting column 180 to be fixed and limited, the groove is arranged at the bottom of the shifting rod 120, namely the limiting column 180 is perpendicular to the shifting rod 120, so that two ends of the elastic limiting part are respectively abutted against the bottom plate 100 and the groove, and the limiting effect of the elastic limiting part is favorably improved.
In the above embodiment, the switch assembly further includes: and one end of the elastic resetting element 20 is fixedly arranged on the bottom plate 100, and the other end of the elastic resetting element 20 is fixedly connected with the deflector rod assembly.
In this embodiment, two ends of the elastic return element 20 are respectively connected to the base plate 100 and the shift lever assembly, so that the elastic potential energy of the elastic return element 20 provides an assisting force for the rotation of the shift lever assembly, thereby improving the convenience of the use of the shift lever 120.
In the above embodiment, as shown in fig. 5 and 6, the lever assembly rotates to the second position under the action of the external force, the elastic restoring member 20 stores elastic potential energy, and when the lever assembly is not subjected to the external force, as shown in fig. 3 and 4, the lever assembly rotates to the first position under the action of the elastic restoring member 20.
In this embodiment, the lever assembly rotates to the second position, and the elastic restoring member 20 stores elastic potential energy, thereby facilitating restoring the lever assembly, improving the convenience of restoring the lever assembly, and reducing the possibility of the lever assembly being stuck.
Specifically, after the protrusion 184 of the elastic limiting member is disengaged from the groove, the lever assembly can rotate to the first position under the action of the elastic potential energy of the elastic restoring member 20, wherein the first position may be the original position or a position between the original position and the first position, and the elastic potential energy in the elastic restoring member 20 is completely disappeared only when the lever assembly returns to the original position.
It is understood that the return elastic member 20 may be any one of a spring, a torsion spring, and a leaf spring.
In either embodiment, as shown in fig. 3 and 4, the plunger 140 and the contact 162 are disposed on both sides of the lever assembly, and the cam 122 has two protrusions 1220, such that when the lever assembly is rotated to the first position, one of the two protrusions 1220 drives the plunger 140 to move to close the waterway, and the other protrusion cooperates with the contact 162 to close the waterway.
In this embodiment, two protrusions 1220 are provided on the cam 122, so that the two protrusions 1220 can move synchronously with the cam 122, so that while one protrusion 1220 drives the push rod 140 to close the waterway, the other protrusion 1220 can cooperate with the contact 162 of the switch member 16 to close the circuit, thereby ensuring the synchronization of the waterway closing and the circuit closing.
It will be appreciated that in the first position, as shown in figures 3 and 4, one of the projections 1220 completes the waterway by releasing the plunger 140 to move the plunger 140 outwardly, and the other projection 1220 completes the circuit by releasing the contact 162.
As shown in fig. 3 and 4, in any of the above embodiments, the plunger 140 and the contact 162 are disposed on two sides of the lever assembly, the number of the cams 122 is two, when the lever assembly rotates to the first position, the protrusion 1220 of one of the two cams 122 drives the plunger 140 to move to connect the water path, and the protrusion 1220 of the other cam cooperates with the contact 162 to connect the circuit.
In this embodiment, the two cams 122 are arranged so that the protrusions 1220 arranged on each cam 122 can move synchronously with the rotation of the lever 120, so that while one protrusion 1220 drives the push rod 140 to open the waterway, the other protrusion 1220 can cooperate with the switch 16 to close the circuit, thereby ensuring the synchronization of the waterway closing and the circuit closing.
In any of the above embodiments, the switch member 16 is a microswitch, and the switch assembly further comprises: the switch bracket 160 is fixedly arranged on the mounting base 10, and the micro switch is arranged on the switch bracket 160.
In this embodiment, locate micro-gap switch on switch bracket 160, be favorable to providing stable support for micro-gap switch, make micro-gap switch can not take place to shift when being supported by bellying 184 to can guarantee that the circuit switches on smoothly and remain stable, promote the stability and the reliability of switch module work, and micro-gap switch's sensitivity is high, and occupation space is little.
In any of the above embodiments, one end of the shift lever 120 is fixedly connected to the circumferential direction of the rotating shaft 124, and the other end of the shift lever 120 extends outward in the radial direction of the rotating shaft 124.
In this embodiment, one end of the driving lever 120 is fixedly connected to the circumferential direction of the rotating shaft, and the other end of the driving lever extends outward along the radial direction of the rotating shaft 124, so that when the driving lever 120 rotates, the rotating shaft 124 can be driven to rotate, and further the rotation of the cam 122 is realized, and the driving lever 120 extending outward is beneficial for a user to hold, and the convenience of using the product is improved.
An embodiment of the second aspect of the present invention provides a water heater, comprising a switch assembly according to any one of the embodiments of the first aspect.
In this embodiment, by using the switch assembly of any one of the above embodiments, all the advantages of the above embodiments are achieved, and details are not described herein.
As shown in fig. 1 and 2, according to the utility model discloses a switch module of a specific embodiment, this switch module combines with the water heater, has a switch driving lever 120 in water heater shell bottom below, and the user only need promote driving lever 120, can make the state that the water heater disconnection inlet wire power supply and disconnection intake, and all functions all adopt mechanical type physical structure control, have high reliability, and this switch module can provide very convenient control mode and reliable safety protection measure for the user.
Specifically, the switch assembly of the present embodiment is a linkage control system formed by a double-cam structure of the shift lever 120, the fixed structure carrier of the switch assembly is the mounting base 10, the mounting base 10 can be used as an internal equivalent structure of a water heater base, the shift lever 120 is mounted on the rotating shaft 124 on the bottom plate 100 of the mounting base 10 and fixed by screws, the mounting base 10 is provided with two left and right limiting posts 180 which can limit the rotating angle of the shift lever 120 in the left and right direction, and the shift lever 120 is limited (i.e. at the second position) on the right side, i.e. at the water cut-off and; a ball spring (i.e., an elastic member 182), a ball (i.e., a protrusion 184) and a ball gland 126 are installed below the lever 120 to form an elastic limiting member for limiting and increasing the hand feeling to inform the user that the lever 120 reaches the water-off and power-off control position; when lever 120 is pushed to rotate to the left, a return spring (i.e., return elastic member 20) is installed between lever 120 and mounting base 10, so that lever 120 can be ensured to accurately reach the left limit (i.e., the first position) of mounting base 10, rather than stopping lever 120 at any position between the left limit and the right limit.
The end part of the deflector rod 120 is provided with a double-cam structure, the push rod 140 of the water valve 14 and the contact 162 of the microswitch can be respectively pressed through the double cams, the microswitch is installed on the switch bracket 160 through screw locking, and then the switch bracket 160 is installed on the installation base 10 through screw locking, so that the microswitch is finally fixed, the water valve 14 is directly installed on the installation base 10 through screw locking, and thus, a deflector rod 120 type water cut-off and power cut-off device is formed, the switch component can be integrated into the structural design of the whole water heater, and the water heater can have the deflector rod 120 type water cut-off and power cut-off function.
As shown in fig. 3 and 4, the shift lever 120 is limited on the left side, and the switch assembly is in a synchronous water-supplying and power-on state; as shown in fig. 5 and 6, the shift lever 120 is limited on the right side, and the switch assembly is in a synchronous water-cut and power-off state; the shifting lever 120 reaches the right limit position, is limited by the elastic ball (the convex part 184), releases the right limit state, and needs to be shifted by hands to separate the shifting lever 120 from the elastic ball limit, so that the shifting lever 120 is restored to the left limit, and the reset spring (the reset elastic part 20) ensures that the left limit is reliably reached.
More specifically, the switch assembly is a linkage mechanism consisting of a shift lever assembly, a water valve 14 and a contact 162 switch (microswitch):
1. the water valve 14 is locked and fixed on the mounting base 10 by screws; the water valve 14 is a normally open valve, as shown in fig. 5 and 6, that is, the water-cut state is when the push rod 140 of the water valve 14 is pressed by one of the protrusions 1220 of the cam, and as shown in fig. 3 and 4, the water-cut state is when the push rod 140 of the water valve 14 is released by the protrusion 1220;
2. the microswitch is locked and fixed on the switch bracket 160 by screws, and then the switch bracket 160 is fixed on the mounting base 10 by screw locking; the microswitch is a normally closed contact 162, as shown in fig. 5 and 6, i.e., the contact 162 is in a power-off state when pressed by the other projection 1220 of the cam, and as shown in fig. 3 and 4, the contact 162 is released to a power-on state by the other projection 1220;
3. the shift lever 120 is locked and fixed on the mounting base 10 through a screw, a rotating shaft 124 structure of the shift lever 120 is arranged on the mounting base 10, a return spring is connected between the shift lever 120 and the mounting base 10, and when the shift lever 120 reaches the right limit, a ball elastic limit mechanism (namely an elastic limit piece) is arranged below the shift lever 120;
4. a ball elastic limiting structure, in which a ball spring is placed in the hollow limiting column 180 on the mounting base 10, a ball (a convex part 184) is placed on the spring, and the ball gland 126 is locked and fixed on the mounting base 10 by a screw, so that a ball elastic limiting mechanism (an elastic limiting part) is formed;
5. when the shift lever 120 is shifted to the right side for limiting, the ball elastic limiting mechanism is limited, the end of the shift lever 120 has a double-cam structure, the highest point of the cam 122 is respectively pressed on the elastic push rod 140 of the water valve 14 and the contact 162 of the micro switch (switch piece 16), the working state at this time is water cut and power cut, the shift lever 120 is pushed leftwards to release the elastic ball limiting state, the shift lever 120 can be pulled leftwards to limit by the reset spring (reset elastic piece 20), the elastic push rod 140 of the water valve 14 and the contact 162 of the micro switch are both released, and the working state at this time is water cut and power on.
Through the design of the utility model, the driving lever 120 is pushed to rotate by a left angle and a right angle, and the driving lever 120 is triggered by the double-cam structure to trigger the contact 162 switch and the water valve 14 to perform linkage control, and meanwhile, the driving lever 120 has elastic limit when reaching the right limit and has better hand feeling to prompt a user; the shifting lever 120 is separated from the right side elastic limit, and can automatically reach the left side limit through a reset spring (reset elastic part 20), so that the shifting lever 120 only has two states of the left side limit (a first position) and the right side limit (a second position) and cannot stay at any position in a shifting angle range to mislead a user, and the shifting lever 120 is controlled back and forth left and right to synchronously realize two working states of water supply and power supply or water supply and power supply interruption; because of adopting the mechanical structure, the control process is physical control, and compared with an electronic control scheme adopting a sensor, the method has higher reliability and is convenient to maintain; simultaneously, the function realized by the switch component ensures that the instantaneous water heater has more reliable safety, and the control characteristic is the 120-type operation of the manual driving lever, so that a user has more convenient control and safer experience, and the safety and the convenience of the use of the switch component are improved.
Above combine the figure to describe in detail the technical scheme of the utility model, through the utility model discloses a technical scheme makes the switch-on in water route and the switch-on of circuit go on in step effectively, has reduced the waste of resource, has saved electric power, and adopts mechanical type structure, easy operation, job stabilization is reliable.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A switch assembly, comprising:
the driving lever assembly comprises a cam and a driving lever, the driving lever and the cam rotate around a rotating shaft together, and one end of the driving lever extends outwards;
the water valve comprises a mandril for controlling the opening and closing of the water valve, a water inlet for flowing into the water valve and a water outlet for flowing out of the water valve;
a switch part, which comprises a contact for controlling the on-off circuit of the switch part,
when the shifting lever assembly rotates to the first position, the push rod of the water valve is driven by the cam to open the water valve to connect the water path, and the contact of the switch piece is communicated to connect the circuit.
2. The switch assembly of claim 1, further comprising:
the water valve comprises a mounting base, wherein the deflector rod assembly, the water valve and the switch piece are all arranged on the mounting base, the mounting base comprises a bottom plate and a side plate which are perpendicular to each other, a deflector rod through hole is formed in the side plate, and the deflector rod extends out of the mounting base through the deflector rod through hole.
3. The switch assembly of claim 2, wherein the rotating shaft is fixedly disposed on the base plate, the cam is fixedly connected to the lever, and the cam and the lever are disposed on a side of the rotating shaft away from the base plate.
4. The switch assembly of claim 3, wherein a bottom of the lever defines a recess, the switch assembly further comprising:
spacing portion locates on the bottom plate, spacing portion specifically includes:
the limiting column is arranged on the bottom plate and is hollow;
the elastic limiting piece is arranged in the limiting column and comprises an elastic piece connected with the bottom plate and a convex part arranged at one end of the elastic piece,
when the shifting lever assembly rotates to a preset position, the protruding portion is clamped in the groove to limit the degree of freedom of the shifting lever.
5. The switch assembly of claim 2, further comprising:
and one end of the reset elastic piece is fixedly arranged on the bottom plate, and the other end of the reset elastic piece is fixedly connected with the shifting lever assembly.
6. The switch assembly of claim 5, wherein the lever assembly rotates to the second position under the action of an external force, the return elastic member stores elastic potential energy, and the lever assembly rotates to the first position under the action of the return elastic member when the lever assembly is not subjected to the external force.
7. The switch assembly of any one of claims 1 to 6, wherein the plunger and the contact are disposed on opposite sides of the lever assembly, and wherein the cam has two protrusions, one of the two protrusions driving the plunger to move to close the waterway and the other of the two protrusions cooperating with the contact to close the circuit when the lever assembly is rotated to the first position.
8. The switch assembly according to any one of claims 1 to 6, wherein the plunger and the contact are disposed on two sides of the lever assembly, the number of the cams is two, when the lever assembly rotates to the first position, the protrusion of one of the two cams drives the plunger to move to close the waterway, and the protrusion of the other cam cooperates with the contact to close the circuit.
9. The switch assembly of any one of claims 2 to 6, wherein the switch member is a micro switch, the switch assembly further comprising:
the switch bracket is fixedly arranged on the mounting base, and the microswitch is arranged on the switch bracket.
10. The switch assembly of any one of claims 1 to 6,
one end of the shifting lever is fixedly connected with the circumferential direction of the rotating shaft, and the other end of the shifting lever extends outwards along the radial direction of the rotating shaft.
11. A water heater, comprising: the switch assembly of any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668987.2U CN209856481U (en) | 2019-05-10 | 2019-05-10 | Switch module and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668987.2U CN209856481U (en) | 2019-05-10 | 2019-05-10 | Switch module and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209856481U true CN209856481U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920668987.2U Active CN209856481U (en) | 2019-05-10 | 2019-05-10 | Switch module and water heater |
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| Country | Link |
|---|---|
| CN (1) | CN209856481U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912111A (en) * | 2019-05-10 | 2020-11-10 | 芜湖美的厨卫电器制造有限公司 | Switch module and water heater |
| CN112096957A (en) * | 2020-08-20 | 2020-12-18 | 王炳华 | Constructed wetland water injection mechanism that possesses automatically regulated function |
-
2019
- 2019-05-10 CN CN201920668987.2U patent/CN209856481U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912111A (en) * | 2019-05-10 | 2020-11-10 | 芜湖美的厨卫电器制造有限公司 | Switch module and water heater |
| CN111912111B (en) * | 2019-05-10 | 2021-12-21 | 芜湖美的厨卫电器制造有限公司 | Switch module and water heater |
| CN112096957A (en) * | 2020-08-20 | 2020-12-18 | 王炳华 | Constructed wetland water injection mechanism that possesses automatically regulated function |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230404 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East District, Wuhu economic and Technological Development Zone, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |