CN108168078B - Electric water heater convenient to use - Google Patents
Electric water heater convenient to use Download PDFInfo
- Publication number
- CN108168078B CN108168078B CN201711441262.1A CN201711441262A CN108168078B CN 108168078 B CN108168078 B CN 108168078B CN 201711441262 A CN201711441262 A CN 201711441262A CN 108168078 B CN108168078 B CN 108168078B
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- valve body
- adapter
- hole
- water heater
- sealing gasket
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 238000007789 sealing Methods 0.000 claims description 85
- 239000010865 sewage Substances 0.000 claims description 72
- 238000004891 communication Methods 0.000 claims description 35
- 239000002699 waste material Substances 0.000 claims description 17
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 abstract description 18
- 239000011148 porous material Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 12
- 238000007599 discharging Methods 0.000 description 8
- 229910052749 magnesium Inorganic materials 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005580 one pot reaction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/16—Arrangements for water drainage
Abstract
The invention provides an electric water heater convenient to use, which comprises an inner container, wherein a drain outlet is formed in the inner container, a drain valve assembly is arranged at the drain outlet and comprises an adapter and a valve body, the adapter is fixedly connected with the drain outlet, the valve body is connected with the adapter and can move relative to the adapter, the rotating angle range of the valve body relative to the adapter is 0-180 degrees, a water drain hole is formed in the adapter, a drain hole is formed in the valve body, and the water drain hole and the drain hole can be communicated or closed in a staggered mode. The electric water heater can make the blow-off hole on the valve body communicate or the dislocation is closed with the hole that drains on the adapter through the valve body motion, can easily realize opening or closing of blowdown valve subassembly, makes inner bag blowdown maintenance convenient and fast and easy operation, avoids blowdown end cap dismouting difficulty and the problem of leaking.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an electric water heater.
Background
The existing electric water heater comprises an inner container, wherein a drain outlet is formed in the inner container, a drain plug is arranged at the drain outlet, when the inner container is maintained, the drain plug is usually disassembled, dirt and impurities in the inner container are discharged by using water flow in the water heater, and the inner container is flushed by water entering through a water inlet pipe, so that the inner container is maintained. However, the sewage discharge plug is difficult to assemble and disassemble, which is inconvenient for users to carry out sewage discharge maintenance, and if dirt and impurities are not discharged in time, scale deposits on the surface of the heating pipe are easy to cause dry burning damage; in addition, the pollution discharge plug and the sewage discharge outlet are in a close fit structure, and the assembly tightness of the pollution discharge plug and the sewage discharge outlet is easily reduced after the pollution discharge plug is disassembled and assembled for many times, so that water leakage is caused.
Disclosure of Invention
The invention aims to provide an electric water heater convenient to use.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a convenient to use's electric water heater, includes the inner bag, be equipped with the drain on the inner bag, drain department is equipped with blowdown valve module, blowdown valve module includes adapter and valve body, the adapter with drain fixed connection, the valve body with the adapter is connected and can for the adapter motion, the valve body is relative adapter pivoted angle scope is 0-180, be equipped with the hole of draining on the adapter, be equipped with the blowhole on the valve body, the hole of draining with the blowhole can communicate or the dislocation is closed.
Preferably, the lower terminal surface of adapter is equipped with the hole of draining, be equipped with the blowoff hole on the up end of valve body, the valve body with the adapter is rotated and is connected.
Preferably, the blowoff valve subassembly still includes the activity and connects, activity connect one pot head outside the valve body and with the valve body rotates to be connected, the other end with the adapter is fixed.
Preferably, the valve body is connected with the movable joint through a hoop, a boss is arranged on the inner side wall of the movable joint, a clamping groove is arranged on the valve body, the inner side of the hoop is accommodated in the clamping groove, and the outer side of the hoop is supported on the boss; or, a boss is arranged on the inner side wall of the movable joint, a flange is arranged on the outer side wall of the valve body, and the flange is supported on the boss.
Preferably, a sealing gasket is arranged between the valve body and the adapter and fixed with the adapter, a communication hole and a sealing surface are arranged on the sealing gasket, the communication hole can communicate the water drainage hole with the sewage drainage hole, and the sealing surface can seal the sewage drainage hole; or, the valve body with be equipped with sealed the pad between the adapter, sealed pad with the valve body is fixed mutually, sealed the pad and be equipped with intercommunicating pore and sealed face, the intercommunicating pore can with the hole that drains with the blowoff hole intercommunication, sealed face can with the hole that drains is sealed.
Preferably, when the sealing gasket is fixed with the adapter, one of the adapter and the sealing gasket is provided with a positioning column, and the other one of the adapter and the sealing gasket is provided with a positioning hole, wherein the positioning column is matched with the positioning hole; or when the sealing gasket is fixed with the valve body, one of the valve body and the sealing gasket is provided with a positioning column, and the other is provided with a positioning hole, and the positioning column is matched with the positioning hole.
Preferably, when the sealing gasket is fixed with the adapter, two positioning columns are arranged on the adapter and inserted into the communicating hole and abutted against the communicating hole; or when the sealing gasket is fixed with the valve body, two positioning columns are arranged on the valve body and inserted into the communicating hole and abutted against the communicating hole.
Preferably, the adapter with be equipped with on one of the valve body and rotate spacing portion, be equipped with on another and rotate spacing cooperation portion, it has first spacing fitting surface and the spacing fitting surface of second to rotate spacing cooperation portion, the hole that drains with when blowoff hole intercommunication or dislocation closure, rotate spacing portion can with first spacing fitting surface or the spacing fitting surface looks butt of second.
Preferably, the valve body is provided with a driving part, and the driving part is polygonal or circular.
Preferably, a magnesium rod is arranged in the inner container, the magnesium rod is fixedly connected with the adapter, and the adapter is detachably connected with the sewage draining outlet.
Compared with the prior art, the invention has the beneficial effects that:
1. the electric water heater of the invention, there is a blowdown valve assembly in the blowdown port of the inner container, the blowdown valve assembly includes adapter and valve body, wherein the adapter is fixed in the blowdown port, and the adapter is connected with valve body movably, when the water drain hole that the adapter moves to it is communicated with blowdown hole on the valve body, the blowdown valve assembly is in the open state, can wash dirt, impurity in the inner container and discharge through the blowdown hole through the water-flowing, realize the blowdown of the inner container and maintain the function; when the water drain hole on which the adapter moves and the sewage discharge hole on the valve body are closed in a staggered mode, the sewage discharge valve assembly is in a closed state, water cannot flow out of the sewage discharge hole, the inner container is guaranteed to be well sealed, and the electric water heater can be used normally for heating. Moreover, by arranging the blowdown valve assembly, the inner container can be cleaned by opening the blowdown hole without disassembling the blowdown valve assembly, and the problems of inconvenience in blowdown maintenance, poor sealing after repeated disassembly and assembly of the blowdown plug and easiness in water leakage of the existing electric water heater are solved. The angle range of the valve body rotating relative to the adapter is 0-180 degrees, so that a user can rotate the valve body relative to the adapter by one time of bare-handed rotation, and further the communication or the closing of the water drain hole and the sewage drain hole is realized, the operation is simple, and the use is convenient; when the turned angle is larger than 180 degrees, the turned angle is larger than the single turning range of the hand, the communication or the closed state transition of the water drainage hole and the sewage drainage hole needs to be completed through multiple turning operations, the operation is complex, and the user experience is poor.
2. The valve body rotates with the adapter to be connected, makes the blow-off hole on the valve body and the hole intercommunication or the dislocation closure of draining on the adapter through rotating the valve body, can easily switch the open or closed state of blowdown valve subassembly, uses the blowdown maintenance and the normal heating function of inner bag. When a user needs to perform sewage discharging maintenance on the inner container, the valve body is rotated to open the sewage discharging valve assembly, the sewage discharging hole in the valve body is communicated with the water discharging hole in the adapter at the moment, and the dirt and impurities in the inner container can be discharged from the sewage discharging hole after water is introduced; after the blowdown maintenance is finished, the valve body is rotated reversely to enable the blowdown hole in the valve body and the water drain hole in the adapter to be closed in a staggered mode, the blowdown valve assembly can be closed, at the moment, the blowdown hole is sealed, the inner container is kept in a sealed state, and the electric water heater can be used normally for heating.
3. The utility model discloses a valve assembly, including the valve body, the valve body is connected with the adapter, the movable joint's one pot head makes the valve body rotate for the movable joint outside the valve body, and the other end and the adapter fixed connection of movable joint to realize rotating between valve body and the adapter and be connected, through setting up the movable joint, can easily realize opening or closing of blowdown valve module spare, and then switch the blowdown maintenance or the normal heating function of.
4. The valve body is connected with the movable joint through the hoop, a clamping groove is formed in the outer peripheral surface of the valve body, the height of the clamping groove is basically the same as the thickness of the hoop, the width of the clamping groove is smaller than that of the hoop, when the hoop is sleeved in the clamping groove, the inner side of the hoop is accommodated in the clamping groove, and the outer side of the hoop protrudes out of the clamping groove; be equipped with the boss on the inside wall of movable joint, the outside of clamp can support on the boss, makes movable joint and valve body fixed on axial direction, but movable joint can rotate in the circumferencial direction for the valve body to realize that the rotation between valve body and the movable joint is connected. Or, the valve body can be directly connected with the movable joint, the inner side wall of the movable joint is provided with a boss, the outer side wall of the valve body is provided with a flange, the movable joint is sleeved outside the valve body, the flange of the valve body is supported on the boss of the movable joint, the movable joint and the valve body are fixed in the axial direction, and the movable joint can rotate in the circumferential direction relative to the valve body.
5. Be equipped with sealed the pad between valve body and the adapter, sealed pad can play the effect that improves the connection leakproofness between valve body and the adapter, prevents to take place to leak at the position of being connected of valve body and adapter. In addition, the sealing gasket is provided with a communication hole and a sealing surface, when the valve body rotates to the state that the sewage discharge hole on the valve body corresponds to the water discharge hole on the adapter, the sewage discharge hole and the water discharge hole can be communicated through the communication hole, and at the moment, the sewage discharge valve assembly is opened; when the valve body rotates to the position that the sewage hole in the valve body and the water drain hole in the adapter are staggered, the sealing surface can seal and close the sewage hole or the water drain hole, so that the sewage hole is not communicated with the water drain hole, and the sewage valve assembly is closed at the moment.
6. The sealing gasket is fixedly connected with the valve body or the sealing gasket is fixedly connected with the adapter by arranging the positioning columns and the positioning holes, so that the sealing gasket cannot follow up or follows up in time in the rotating process of the valve body, and the communication or sealing function of the communication hole in the sealing gasket and the sealing surface is ensured; through inserting the reference column on valve body or the adapter sealed communicating hole of filling up, prevent that sealed the pad when valve body rotates and take place distortion, influence the intercommunication or the sealed function of the intercommunicating pore and sealed face on sealed the pad.
7. When the sealing gasket is fixed with the adapter, the two positioning columns on the adapter are inserted into the communicating holes on the sealing gasket and abut against the edges of the communicating holes, so that the adapter and the sealing gasket are relatively fixed, and the two positioning columns can support the communicating holes on the sealing gasket, so that the communicating holes are prevented from being deformed due to friction force when the valve body rotates relative to the sealing gasket, and the conduction performance of the communicating holes is prevented from being influenced; in a similar way, when sealed the pad and valve body when fixed mutually, two reference columns on the valve body insert sealed the communicating pore on the pad and with the looks butt in the intercommunicating pore edge, realized valve body and sealed relatively fixed who fills up on the one hand, two reference columns of on the other hand can support sealed the intercommunicating pore on filling up, prevent that valve body and sealed pad when rotating for the adapter frictional force cause the intercommunicating pore to warp together, influence the switch-on performance of intercommunicating pore.
8. The rotary limiting part is arranged on one of the adapter and the valve body, and the rotary limiting matching part is arranged on the other of the adapter and the valve body, so that the operability and the accuracy of controlling the communication or staggered closing of the sewage draining hole and the water draining hole by rotating the valve body are improved; and, the rotation limit matching part is provided with a first limit matching surface and a second limit matching surface, when the valve body rotates to the rotation limit part and is abutted against the first limit matching surface or the second limit matching surface, the valve body cannot continue to rotate, so that the water drain hole and the sewage drain hole are communicated or misplaced and closed, the rotation control of the valve body is convenient and reliable, and the communication or misplaced closing operation is more accurate.
9. Set up drive division on one's body through the valve, and drive division sets up to polygon or circular, and the free-hand or use tool of convenience of customers rotate or dismouting operation to the valve body.
10. Fix the magnesium stick in the inner bag through fixing magnesium stick and adapter fixed connection, adapter detachably fixes in drain department to when the magnesium stick goes wrong, the accessible is dismantled the adapter and will be pulled down rather than fixed connection's magnesium stick, in time carries out the change of magnesium stick and overhauls.
Drawings
Fig. 1 is a schematic structural diagram of an electric water heater according to a first embodiment of the present invention;
FIG. 2 is a perspective view of the waste valve assembly of FIG. 1;
FIG. 3 is a cross-sectional structural schematic view of the waste valve assembly of FIG. 2, with the waste valve assembly in a closed state;
FIG. 4 is an enlarged view of part A of the waste valve assembly of FIG. 3;
FIG. 5 is a cross-sectional structural schematic view of the waste valve assembly of FIG. 2, with the waste valve assembly in an open state;
FIG. 6 is a schematic perspective view of the valve body of FIG. 2;
FIG. 7 is a schematic cross-sectional view of the valve body of FIG. 6;
FIG. 8 is a schematic top view of the valve body of FIG. 6;
FIG. 9 is an enlarged view of the portion B of the valve body of FIG. 8;
FIG. 10 is a schematic perspective view of the transfer joint of FIG. 2;
FIG. 11 is a schematic cross-sectional view of the rotary joint of FIG. 10;
FIG. 12 is a bottom view of the swivel joint of FIG. 10;
FIG. 13 is an enlarged view of the structure of section C of the rotary joint of FIG. 12;
FIG. 14 is a schematic perspective view of the gasket of FIG. 2;
FIG. 15 is a schematic cross-sectional view of the gasket of FIG. 14;
fig. 16 is a schematic sectional view of a blowdown valve assembly of an electric water heater according to a second embodiment of the present invention;
FIG. 17 is an enlarged schematic view of the D-section of the waste valve assembly of FIG. 16;
FIG. 18 is a schematic top view of a valve body according to a third embodiment of the present invention;
fig. 19 is a schematic bottom view of the adapter according to the third embodiment of the invention;
fig. 20 is a schematic perspective view of a gasket according to a third embodiment of the present invention.
Wherein, the relationship between the reference numbers and the names of the components in fig. 1-20 is:
1 inner bag, 2 manger plate caps, 3 subassembly that intakes, 4 play water subassemblies, 5 drain, 6 blowdown valve subassemblies, 61 ' valve body, 611 blowoff hole, 612 draw-in groove, 613 ' drive division, 614 rotates spacing portion, 615 ' flange, 62 sealed pad, 621 intercommunicating pore, the sealed face of 622, 623 sealed muscle, 624 hole of stepping down, 63 adapter, 631 hole of draining, 632 boss, 633 reference column, 634 rotates spacing cooperation portion, the first spacing fitting surface of 6341, the spacing fitting surface of 6342 second, 64 clamps, 65 swing joint, 651 boss, 66 sealed pad, 7 magnesium stick.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples.
The first embodiment is as follows:
the embodiment of the invention provides an electric water heater convenient to use, which can easily realize the opening or closing of a blowdown valve assembly 6, so that the blowdown of an inner container 1 is convenient and quick to maintain, and the operation is simple. As shown in figure 1, the electric water heater comprises an inner container 1, a water retaining cap 2, a water inlet component 3 and a water outlet component 4, wherein a sewage outlet 5 is arranged on the inner container 1, and a sewage valve component 6 is arranged at the sewage outlet 5. As shown in fig. 2, fig. 3 and fig. 5, the waste discharge valve assembly 6 includes an adapter 63 and a valve body 61, one end of the adapter 63 is connected with the waste discharge port 5 and fixed on the inner container 1, the other end of the adapter is connected with the valve body 61, and the valve body 61 can move relative to the adapter 63, so that the water discharge hole 631 formed in the adapter 63 is communicated with the waste discharge hole 611 formed in the valve body 61, at this time, the waste discharge valve assembly 6 is in an open state, waste discharge maintenance can be performed on the inner container 1, the water discharge hole 631 formed in the adapter 63 can be further misplaced and closed with the waste discharge hole 611 formed in the valve body 61, at this time, the waste discharge valve assembly 6 is closed, it is ensured that.
Optionally, adapter 63 detachably connects on drain 5, makes adapter 63 dismantle conveniently, and convenience of customers carries out the dismouting change of blowdown valve subassembly 6. Specifically, in this embodiment, an internal thread is provided on the inner wall surface of the adapter 63, an external thread is provided on the outer wall surface of the drain 5, and the adapter 63 is screwed to the drain 5. Further, be provided with sealed pad 66 between drain 5 and the adapter 63, be equipped with boss 632 on the inner wall face of adapter 63 in order to support sealed pad 66, sealed pad 66 plays sealed effect, prevents to leak from the lateral part clearance between drain 5 and the adapter 63.
Optionally, the valve body 61 is rotatably connected to the adapter 63. Specifically, as shown in fig. 10-13, a set of symmetrically distributed water discharge holes 631 are provided on the lower end surface of the adapter 63; as shown in fig. 6-9, a set of symmetrically distributed drainage holes 611 is formed on the upper end surface of the valve body 61. As shown in fig. 5, when the valve body 61 is rotated to communicate the drain hole 631 of the adapter 63 with the drain hole 611 of the valve body 61, the drain valve assembly 6 is opened, and the inner container 1 can be maintained for draining the sewage. When the inner container 1 is not needed to be used for pollution discharge maintenance, as shown in fig. 3, the valve body 61 is rotated to close the pollution discharge hole 611 on the valve body 61 and the water discharge hole 631 on the adapter 63 in a staggered manner, so that the pollution discharge valve assembly 6 is closed, the inner container 1 can be ensured to be well sealed, and the electric water heater can be normally used for heating.
The technical scheme of this embodiment, valve body 61 rotates with adapter 63 to be connected, makes the drainage hole 611 on the valve body 61 and the hole 631 intercommunication that drains on adapter 63 or the dislocation is closed through rotating valve body 61, can easily switch the open or closed state of blowdown valve subassembly 6, uses the blowdown maintenance and the normal heating function of inner bag 1. When a user needs to perform pollution discharge maintenance on the inner container 1, the valve body 61 is rotated to open the pollution discharge valve assembly 6, at the moment, the pollution discharge hole 611 on the valve body 61 is communicated with the water discharge hole 631 on the adapter 63, and dirt and impurities in the inner container 1 can be discharged from the pollution discharge hole 611 after water is introduced; after the blowdown maintenance is finished, the blowdown hole 611 on the valve body 61 and the water discharge hole 631 on the adapter 63 are closed in a staggered mode by reversely rotating the valve body 61, the blowdown valve assembly 6 can be closed, at the moment, the blowdown hole 611 is sealed, the inner container 1 is kept in a sealed state, and the electric water heater can be normally used for heating. This technical scheme makes 1 blowdown maintenance convenient and fast and easy operation of inner bag, and the user of being convenient for carries out the switching of the blowdown maintenance function and the sealed heating function of electric water heater, has not only solved the blowdown end cap dismouting difficulty among the current electric water heater, and the blowdown maintenance of inner bag 1 of being not convenient for causes the problem that heating pipe surface deposit incrustation scale causes the dry combustion method to damage, has also avoided dismouting blowdown end cap many times to cause 1 inner bag to seal badly easily simultaneously, causes the problem that electric water heater leaks.
It should be understood that other moving connection manners of the valve body 61 and the adapter 63 can be envisaged, for example, a water discharge hole 631 and a sewage discharge hole 611 are respectively provided on the side walls of the valve body 61 and the adapter 63, and the adapter 63 is sleeved outside the valve body 61, when the water discharge hole 631 and the sewage discharge hole 611 correspond to each other in the axial direction, the water discharge hole 631 and the sewage discharge hole 611 can be communicated or closed in a staggered manner by the relative rotation of the adapter 63 and the valve body 61, or when the water discharge hole 631 and the sewage discharge hole 611 correspond to each other in the circumferential direction, the water discharge hole 631 and the sewage discharge hole 611 can be communicated or closed in a staggered manner by the relative axial movement of the adapter 63 and the valve body 61.
As shown in fig. 2 and 3, the waste valve assembly 6 further includes a movable joint 65, one end of the movable joint 65 is sleeved outside the valve body 61 and connected with the valve body 61, and the valve body 61 can rotate within a limited range relative to the movable joint 65 under the condition that the movable joint 65 is not moved; the other end of the movable joint 65 is fixedly connected with the adapter 63, so that the valve body 61 is rotatably connected with the adapter 63. Alternatively, in the present embodiment, an external thread is provided on an outer wall surface of the adapter 66, an internal thread is provided on an inner wall surface of the movable joint 65, and the movable joint 65 is screwed with the adapter 63.
As shown in fig. 4, the valve body 61 is connected to a movable joint 65 by a clip 64. Specifically, a boss 651 protruding inwards is arranged at the bottom end of the inner side wall of the movable joint 65, an inwards concave clamping groove 612 is arranged on the outer wall surface of the valve body 61, the height of the clamping groove 612 is basically the same as the thickness of the clamp 64, and the width of the clamping groove 612 is smaller than the width of the clamp 64. When the clamp 64 is sleeved in the clamping groove 612, the inner side of the clamp 64 is accommodated in the clamping groove 612, the outer side of the clamp 64 protrudes out of the clamping groove 612 and can be supported on the boss 651, so that the movable joint 65 and the valve body 61 are fixed in the axial direction, but the movable joint 65 can rotate in the circumferential direction relative to the valve body 61, and therefore the valve body 61 and the movable joint 65 are rotatably connected, the movable joint 65 and the adapter 63 are fixedly connected, and further the rotatable connection between the valve body 61 and the adapter 63 is realized.
Wherein, the clamp 64 is in a ring shape with an opening, the ring-shaped clamp 64 has a certain elasticity, and is further made of stainless steel material. During assembly, the annular elastic clamp 64 with an opening at one end is opened to a small extent and placed in the clamping groove 612, the shape of the annular clamp 64 naturally rebounds, so that the inner side of the annular clamp 64 is accommodated in the clamping groove 612, and the outer side of the annular clamp 64 protrudes out of the clamping groove 612 and can be supported on the boss 651.
Further, as shown in fig. 3, a sealing gasket 62 is arranged between the valve body 61 and the adapter 63, as shown in fig. 14 and 15, a ring-shaped sealing rib 623 is arranged on the sealing gasket 62, the sealing rib 623 is located at the edge of the sealing gasket 62, and the sealing rib 623 seals a gap between the edge of the valve body 61 and the edge of the adapter 63, so that water leakage at the edge when the waste valve assembly 6 is opened or closed is prevented.
Further, the sealing gasket 62 is further provided with a communication hole 621 and a sealing surface 622, the communication hole 621 on the sealing gasket 62 is used for communicating the sewage discharge hole 611 with the water discharge hole 631, the sealing surface 622 on the sealing gasket 62 is used for sealing the sewage discharge hole 611 or the water discharge hole 631, the sewage discharge hole 611 and the water discharge hole 631 cannot be communicated, and the opening and closing functions of the sewage discharge valve assembly 6 are realized.
Alternatively, the gasket 62 disposed between the valve body 61 and the adapter 63 may be fixed to the valve body 61, or may be fixed to the adapter 63.
Example one:
optionally, when the sealing gasket 62 is fixed to the adapter 63, the communication hole 621 of the sealing gasket 62 is always communicated with the water discharge hole 631 of the adapter 63 and keeps a relative position fixed, and when the valve body 61 is rotated to enable the sewage discharge hole 611 to correspond to the communication hole 621 and the water discharge hole 631, the sewage discharge hole 611 is communicated with the communication hole 621 and the water discharge hole 631, that is, the sewage discharge valve assembly 6 is in an open state, so that the sewage discharge maintenance function of the liner 1 can be used; the valve body 61 is rotated reversely to make the sewage discharge hole 611 on the valve body 61 dislocated with the communication hole 621 and the water discharge hole 631, and when the valve body is superposed with the sealing surface 622, the sealing surface 622 seals the sewage discharge hole 611, that is, the sewage discharge valve assembly 6 is in a closed state, so that the liner 1 is ensured to be well sealed, and the heating function can be normally used.
Further, when sealed 62 and adapter 63 are fixed mutually, can be equipped with reference column 633 on one in adapter 63 and the sealed 62 of filling up, can be equipped with the locating hole on the other, cooperation through reference column 633 and locating hole makes sealed 62 and adapter 63 realize that the circumference location is fixed, and then make the communicating hole 621 on the sealed 62 of filling up with the hole 631 counterpoint accuracy that drains on the adapter 63 and keep relative position fixed, and be in the state of switching on always, prevent that sealed 62 of valve body 61 rotation in-process from taking place to follow the commentaries on classics for adapter 63, the communicating hole 621 and the sealed face 622 on the sealed 62 of influence fill up switch on and sealing performance.
Specifically, in this embodiment, the positioning post 633 is provided on the adapter 63, and the communication hole 621 on the gasket 62 is used as a positioning hole. As shown in fig. 10 and 12, two positioning posts 633 may be symmetrically disposed near the edge of the water discharge hole 631 of the adapter 63, and the two positioning posts 633 may be inserted into the communication hole 621 of the gasket 62 and abut against the edge of the communication hole 621. Can effectively guarantee through the cooperation of reference column 633 with intercommunicating pore 621 that sealed 62 accurately fixes on the lower terminal surface of adapter 63, in addition, two reference columns 633 can support sealed intercommunicating pore 621 on 62, prevent that sealed 62 from rotating the in-process distortion at valve body 61 relative adapter 63, and then cause intercommunicating pore 621 or sealed face 622 to warp, influence intercommunicating pore 621 switch on performance and the sealing performance of sealed face 622.
In addition, through the cooperation of reference column 633 and intercommunicating pore 621, can avoid setting up the locating hole in addition on sealed 62, reduce the quantity of trompil on sealed 62 for sealed 62's simple structure, processing is convenient, and has avoided the trompil to cause adverse effect to sealed 62 sealing performance.
Example two:
optionally, when the sealing gasket 62 is fixed with the valve body 61, the communication hole 621 on the sealing gasket 62 is always communicated with the sewage discharge hole 611 on the valve body 61 and keeps a relative position fixed, and when the valve body 61 is rotated to enable the water discharge hole 631 to correspond to the positions of the sewage discharge hole 611 and the communication hole 621, the sewage discharge hole 611 and the communication hole 621 are communicated with the water discharge hole 631, that is, the sewage discharge valve assembly 6 is in an open state, so that the sewage discharge maintenance function of the liner 1 can be used; the valve body 61 is rotated reversely to make the water discharge hole 631 dislocated with the sewage discharge hole 611 and the communication hole 621, and when the water discharge hole coincides with the sealing surface 622, the sealing surface 622 seals the water discharge hole 631, that is, the sewage discharge valve assembly 6 is in a closed state, so that the liner 1 is ensured to be well sealed, and the heating function can be normally used.
Further, when the sealing gasket 62 is fixed to the valve body 61, one of the valve body 61 and the sealing gasket 62 may be provided with a positioning post 633, and the other may be provided with a positioning hole, and the sealing gasket 62 and the valve body 61 are circumferentially positioned and fixed by the cooperation of the positioning post 633 and the positioning hole, so that the communication hole 621 on the sealing gasket 62 is aligned with the sewage discharge hole 611 on the valve body 61 accurately and keeps a relative position fixed, and is always in a conduction state, and the sealing gasket 62 is prevented from timely following up rotation relative to the valve body 61 (i.e., the sealing gasket 62 rotates relative to the valve body 61) in the rotation process of the valve body 61, thereby affecting the conduction and sealing performance of the communication hole 621 and the sealing surface 622 on the sealing gasket.
Furthermore, two positioning posts may be symmetrically disposed on the valve body 61 near the edge of the sewage draining hole 611, and the two positioning posts are inserted into the communication hole 621 of the sealing gasket 62 and abut against the edge of the communication hole 621, so as to fix the sealing gasket 62 to the valve body 61.
In order to improve the convenience of the opening and closing operations of the sewage hole 611 and the water discharge hole 631, one of the adapter 63 and the valve body 61 may be provided with a rotation limiting portion 614, and the other may be provided with a rotation limiting engagement portion 634. Specifically, in this embodiment, as shown in fig. 6 to 9, a rotation limiting portion 614 is provided on the valve body 61, as shown in fig. 10 to 13, a rotation limiting matching portion 634 is provided on the adapter 63, the rotation limiting matching portion 634 has a first limiting matching surface 6341 and a second limiting matching surface 6342, when the valve body 61 rotates until the rotation limiting portion 614 abuts against the first limiting matching surface 6341, the valve body 61 cannot rotate continuously, at this time, the drain hole 631 and the drain hole 611 are closed in a staggered manner, and the drain valve assembly 6 is in a closed state; when the valve body 61 rotates to the position where the rotation limiting part 614 abuts against the second limiting matching surface 6342, the valve body 61 cannot rotate continuously, at this time, the water discharge hole 631 communicates with the sewage discharge hole 611, and the sewage discharge valve assembly 6 is in an open state.
As shown in fig. 14, the center of the sealing gasket 62 is further provided with a circular abdicating hole 624, when the sealing gasket 62 is additionally installed between the adapter 63 and the valve body 61, the rotation limiting part 614 and the rotation limiting matching part 634 on the adapter 63 and the valve body 61 can both extend into the abdicating hole 624 of the sealing gasket 62 for matching, the abdicating hole 624 abdicating for the mutual movement of the rotation limiting part 614 and the rotation limiting matching part 634, and it is ensured that the rotation limiting part 614 and the rotation limiting matching part 634 and the abdicating hole 624 are well sealed.
As shown in fig. 8 and 9, the rotation limiting portion 614 is semicircular, and the straight edge of the semicircular rotation limiting portion 614 is parallel to and collinear with the straight edge of the sewage hole 611 (as shown by the dotted line in fig. 9); as shown in fig. 12 and 13, the rotation limiting matching portion 634 is in a fan-ring shape, a central angle of the fan ring is 90 degrees, the first limiting matching surface 6341 and the second limiting matching surface 6342 are respectively located at two ends of the fan-ring-shaped rotation limiting matching portion 634, an included angle between extension lines of two straight sides of the first limiting matching surface 6341 and the second limiting matching surface 6342 is 90 degrees, based on the angle design, the rotation limiting matching portion 634 limits the rotation limiting portion 614 to rotate only within a range of 90 degrees, so that when the valve body 61 rotates to two limit positions (i.e., the rotation limiting portion 614 abuts against the first limiting matching surface 6341 or the second limiting matching surface 6342), a complete conduction state of the sewage draining hole 611 or a complete sealing state of the sewage draining hole 611 is respectively achieved, and an open or close state of the sewage draining valve assembly 6 is ensured.
As shown in fig. 6, a driving portion 613 is disposed on an outer peripheral surface of a lower end of the valve body 61, and the driving portion 613 may be formed in a polygonal shape (e.g., a regular hexagon), so that a user can conveniently rotate or disassemble the valve body 61 by hand or using a tool.
As shown in fig. 1, a magnesium rod 7 is provided in the inner container 1, and the magnesium rod 7 is fixed in the inner container 1 by being fixedly connected to the adapter 63. Because the adapter 63 is screwed on the sewage draining exit 5, and the disassembly and assembly are convenient, the magnesium rod 7 can be conveniently replaced and maintained, and the service life of the electric water heater is prolonged.
Example two:
the difference between the present embodiment and the first embodiment is: the valve body and the movable joint are connected in a rotating mode in different ways.
As shown in fig. 16 and 17, in the present embodiment, an annular flange 615 ' is provided on the valve body 61 ', and when the movable joint 65 is fitted outside the valve body 61 ', the movable joint 65 is fixed to the valve body 61 ' in the axial direction by the flange 615 ' on the valve body 61 ' being supported on a boss 651 on the movable joint 65, but the movable joint 65 can rotate in the circumferential direction relative to the valve body 61 '.
In this embodiment, as shown in fig. 16, the exposed portion of the lower end of the valve body 61 ' is cylindrical, the movable joint 65 can be directly sleeved on the outer wall surface of the valve body 61 ' from the lower end of the valve body 61 ', the valve body 61 ' is mounted inside the movable joint 65 by the flange 615 ' of the valve body 61 ' abutting against the boss 651 of the movable joint 65, and the valve body 61 ' can rotate relative to the movable joint 65.
Compared with the first embodiment, in the first embodiment, no hoop needs to be additionally arranged between the valve body 61 ' and the movable joint 65, and the valve body 61 ' is directly connected with the boss 651 on the movable joint 65 through the flange 615 ' on the valve body 61 ', so that the connecting assembly and the assembling process are simplified, the processing of the structures of the valve body 61 ' and the movable joint 65 is facilitated, and the production efficiency is improved.
The cylindrical exposed portion of the lower end of the valve body 61 'is a driving portion 613', and the valve body 61 'can be rotated by operating the driving portion 613' manually or by using a tool.
With reference to fig. 1-17, the electric water heater provided by the present invention has the following working principle:
when the blowdown maintenance function is needed, the valve body 61 (or 61 ') is rotated by 90 ° by the rotation driving part 613 (or 613') until the straight edge of the rotation limit matching part 634 abuts against the second limit matching surface 6342, at this time, the blowdown hole 611 is communicated with the communication hole 621 and the water discharge hole 631, that is, the blowdown valve assembly 6 is in an open state, the inner tank 1 is cleaned by water, and the cleaned sewage is discharged from the blowdown port 5 through the water discharge hole 631, the communication hole 621 and the blowdown hole 611.
Conversely, the reverse rotation driving portion 613 (or 613 ') rotates the valve body 61 (or 61') 90 ° until the rotation limit matching portion 634 rotates in reverse until its straight edge abuts against the first limit matching surface 6341, at this time, the drainage hole 611, the communication hole 621 and the corresponding drainage hole 631 are closed in a staggered manner, and the drainage hole 611 coincides with the sealing surface 622, that is, the drainage valve assembly 6 is in a closed state, so as to ensure that the inner container 1 is sealed well, and the electric water heater can heat normally.
Example three:
the present embodiment is different from the first embodiment or the second embodiment in that: the communication of the water discharging hole and the sewage discharging hole is different from the staggered closing structure.
As shown in fig. 18-20, in the present embodiment, the sewage draining hole 611 and the water draining hole 631 are in a fan-shaped ring shape, and a central angle corresponding to the fan-shaped ring is 180 °, wherein the rotation limiting portion 614 is in a fan-shaped ring shape, and a central angle corresponding to the fan-shaped ring is 90 °, and one straight edge of the fan-shaped rotation limiting portion 614 is parallel to the straight edge of the sewage draining hole 611); the rotation limiting matching part 634 is in a fan ring shape, the central angle corresponding to the fan ring is 90 °, the first limiting matching surface 6341 and the second limiting matching surface 6342 are respectively located at two ends of the fan ring-shaped rotation limiting matching part 634, the included angle between the extension lines of two straight edges of the first limiting matching surface 6341 and the second limiting matching surface 6342 is 90 °, based on the design, the rotation limiting matching part 634 limits the rotation limiting part 614 to rotate only within the range of 0-180 °, so that when the valve body 61 rotates to two limit positions (i.e., the rotation limiting part 614 abuts against the first limiting matching surface 6341 or the second limiting matching surface 6342), the complete conduction state of the sewage discharge hole 611 or the complete sealing state of the sewage discharge hole 611 is respectively realized, and further, the opening or closing state of the sewage discharge valve assembly 6 is realized.
In this embodiment, two positioning columns are symmetrically disposed on the valve body 61 near the edge of the sewage draining hole 611, and the two positioning columns are inserted into the communication hole 621 of the sealing gasket 62 and abut against the edge of the communication hole 621, so as to fix the sealing gasket 62 and the valve body 61.
Optionally, two positioning columns are symmetrically arranged at a position, close to the edge of the water discharging hole 631, on the adapter 63, and the two positioning columns are inserted into the communicating hole 621 of the sealing gasket 62 and abut against the edge of the communicating hole, so that the sealing gasket 62 and the adapter 63 are fixed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent variations and modifications made by the present invention are covered by the scope of the claims of the present invention, which is not limited by the examples herein.
Claims (10)
1. An electric water heater convenient to use comprises an inner container, wherein a drain outlet is formed in the inner container, and the electric water heater is characterized in that a drain valve assembly is arranged at the drain outlet and comprises an adapter and a valve body, the adapter is fixedly connected with the drain outlet, the valve body is connected with the adapter and can move relative to the adapter, the rotating angle range of the valve body relative to the adapter is 0-180 degrees, a drain hole is formed in the adapter, a drain hole is formed in the valve body, the drain hole and the drain hole can be communicated or closed in a staggered mode, a sealing gasket is arranged between the valve body and the adapter, a communicating hole and a sealing surface are formed in the sealing gasket, the drain hole and the drain hole can be communicated through the communicating hole, and the sealing surface can seal the drain hole or the drain hole; the adapter with be equipped with on one in the valve body and rotate spacing portion, be equipped with on another and rotate spacing cooperation portion, sealed center of filling up still is equipped with circular hole of stepping down, rotates spacing portion and rotates spacing cooperation portion and stretch into sealed downthehole in order to cooperate of stepping down of filling up.
2. The electric water heater according to claim 1, wherein a water discharge hole is formed in a lower end surface of the adapter, a sewage discharge hole is formed in an upper end surface of the valve body, and the valve body is rotatably connected with the adapter.
3. The electric water heater of claim 2, wherein the waste valve assembly further includes a movable joint, one end of the movable joint is sleeved outside the valve body and rotatably connected with the valve body, and the other end of the movable joint is fixed with the adapter.
4. The electric water heater according to claim 3, wherein the valve body is connected to the movable joint through a clamp, a boss is provided on an inner side wall of the movable joint, a clamping groove is provided on the valve body, an inner side of the clamp is received in the clamping groove, and an outer side of the clamp is supported on the boss;
or, a boss is arranged on the inner side wall of the movable joint, a flange is arranged on the outer side wall of the valve body, and the flange is supported on the boss.
5. The electric water heater according to any one of claims 2-4, wherein the sealing gasket is fixed to the adapter, and the sealing surface seals the drain hole;
or the sealing gasket is fixed with the valve body, and the sealing surface can seal the water drainage hole.
6. The electric water heater according to claim 5, wherein when the sealing gasket is fixed to the adapter, one of the adapter and the sealing gasket is provided with a positioning column, and the other one of the adapter and the sealing gasket is provided with a positioning hole, and the positioning column is matched with the positioning hole;
or when the sealing gasket is fixed with the valve body, one of the valve body and the sealing gasket is provided with a positioning column, and the other is provided with a positioning hole, and the positioning column is matched with the positioning hole.
7. The electric water heater according to claim 5, wherein when the sealing gasket is fixed to the adapter, the adapter is provided with two positioning columns, and the two positioning columns are inserted into the communication hole and abut against the communication hole;
or when the sealing gasket is fixed with the valve body, two positioning columns are arranged on the valve body and inserted into the communicating hole and abutted against the communicating hole.
8. The electric water heater according to any one of claims 2-4, wherein the rotation limiting fitting part has a first limiting fitting surface and a second limiting fitting surface, and when the drain hole is communicated with the drain hole or is closed in a staggered manner, the rotation limiting part can abut against the first limiting fitting surface or the second limiting fitting surface.
9. The electric water heater according to any one of claims 1-4, wherein the valve body is provided with a driving part, and the driving part is polygonal or circular.
10. The electric water heater according to any one of claims 1-4, wherein a magnesium rod is arranged in the inner container, the magnesium rod is fixedly connected with the adapter, and the adapter is detachably connected with the sewage draining outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441262.1A CN108168078B (en) | 2017-12-27 | 2017-12-27 | Electric water heater convenient to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441262.1A CN108168078B (en) | 2017-12-27 | 2017-12-27 | Electric water heater convenient to use |
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| Publication Number | Publication Date |
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| CN108168078A CN108168078A (en) | 2018-06-15 |
| CN108168078B true CN108168078B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711441262.1A Active CN108168078B (en) | 2017-12-27 | 2017-12-27 | Electric water heater convenient to use |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969040A (en) * | 1973-08-23 | 1976-07-13 | G. Bauknecht Gesellschaft Mit Beschrankter Haftung Electrotechnische Fabriken | Pump, especially circulating pump |
| CN2615451Y (en) * | 2003-04-11 | 2004-05-12 | 罗邦远 | Adjustable ceramic fast-boiling water tap valve spool |
| CN203847744U (en) * | 2014-03-07 | 2014-09-24 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and blow-down valve thereof |
| CN104110824A (en) * | 2013-12-06 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN206556259U (en) * | 2017-02-09 | 2017-10-13 | 青岛经济技术开发区海尔热水器有限公司 | A kind of water heater blowdown apparatus and water heater |
-
2017
- 2017-12-27 CN CN201711441262.1A patent/CN108168078B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969040A (en) * | 1973-08-23 | 1976-07-13 | G. Bauknecht Gesellschaft Mit Beschrankter Haftung Electrotechnische Fabriken | Pump, especially circulating pump |
| CN2615451Y (en) * | 2003-04-11 | 2004-05-12 | 罗邦远 | Adjustable ceramic fast-boiling water tap valve spool |
| CN104110824A (en) * | 2013-12-06 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN203847744U (en) * | 2014-03-07 | 2014-09-24 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and blow-down valve thereof |
| CN206556259U (en) * | 2017-02-09 | 2017-10-13 | 青岛经济技术开发区海尔热水器有限公司 | A kind of water heater blowdown apparatus and water heater |
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| Publication number | Publication date |
|---|---|
| CN108168078A (en) | 2018-06-15 |
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