CN217659263U

CN217659263U - Coupler with water level control structure

Info

Publication number: CN217659263U
Application number: CN202221834046.XU
Authority: CN
Inventors: 黄普添; 陈昕; 廖裕成
Original assignee: Guangdong Huilaide Temperature Controller Co ltd
Current assignee: Guangdong Huilaide Temperature Controller Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-10-28
Anticipated expiration: 2032-07-15

Abstract

The utility model relates to a coupler with water level control structure, including fixing base and the lower coupling seat that is used for supporting the kettle body and rather than electrical connection, be provided with the elasticity reset structure between lower coupling seat and the fixing base, the lower coupling seat passes through the activity of elasticity reset structure assembly above the fixing base and can reciprocate relative to the fixing base, be provided with the micro-gap switch that is used for concatenating on the water feeding circuit on the fixing base, the micro-gap switch is last to be provided with the on & off switch, is provided with the touch subassembly of activity trigger switch key on the lower coupling seat, and when lower coupling seat bearing weight equals or exceeds the rated load that the preset water level corresponds, the lower coupling seat moves the trigger switch key downwards to break off the water feeding circuit; the structure controls the maximum water level in the kettle body in a weight triggering mode through the microswitch, so that the electric kettle meets the safety requirements.

Description

Coupler with water level control structure

Technical Field

The utility model relates to a coupler field specifically is a coupler with water level control structure.

Background

The existing electric heating kettle generally comprises a base and a kettle body, wherein the base is provided with a control circuit, the lower part of the kettle body is provided with a heating element, the kettle body is connected with the control circuit through a coupler, and the kettle body is also provided with a water level sensor. During the use, only need put the kettle body on the base, just can be connected the control circuit of base and the kettle body, thereby can make water level sensor and the water pump constitution linkage in the base control the internal maximum water level of kettle, but the electric kettle of this structure has following defect:

defect 1: the signal output end of a water level sensor in the kettle body is generally connected to the ground of the electric kettle, the arrangement mode causes that the water body in the kettle body has weak current inevitably, the electric kettle on the existing market has certain potential safety hazard in the use process, and the safety requirement of the electric kettle is not met.

Defect 2: even partial electric kettle has level sensor, but this level sensor only possesses the monitoring kettle and whether appear anhydrous or extremely low water level condition in vivo, after the user triggers the command of heating up water, when judging the kettle internal anhydrous or extremely low water level condition under, automatic start water pump adds water to the kettle internal, consequently will appear after the kettle internal has certain water yield, after the user manually triggers the command of adding water, electric kettle only can add water to the kettle body according to predetermined time of adding water, cause the internal original water yield of kettle to superpose the water yield that adds again at last, lead to the water to follow hu kou or hu zui department outside overflow easily, thereby influence user's use and experience.

Defect 3: because the water level sensor belongs to an external part and is mostly assembled on the heating plate at the bottom of the kettle body, at least one assembling step is inevitably added during assembly, the assembling efficiency of the electric kettle is reduced, and the water level sensor can increase the production cost of the electric kettle.

Therefore, the applicant provides a new technical solution to solve the above drawbacks, by improving and perfecting the coupler, and combining the above prior arts, for consumers to choose and use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned current problem, provide a simple structure, reasonable a coupler with water level control structure, its main effect is through the internal maximum water level of micro-gap switch with weight trigger mode control kettle.

A coupler with a water level control structure comprises a fixed seat and a lower coupling seat, wherein the lower coupling seat is used for supporting a kettle body and is electrically connected with the kettle body, an elastic reset structure is arranged between the lower coupling seat and the fixed seat, the lower coupling seat is movably assembled above the fixed seat through the elastic reset structure and can move up and down relative to the fixed seat, a microswitch connected in series with a water adding circuit is arranged on the fixed seat, a switch is arranged on the microswitch, a touch component for movably triggering the switch is arranged on the lower coupling seat, and when the bearing weight of the lower coupling seat is equal to or exceeds a rated load corresponding to a preset water level, the lower coupling seat moves downwards to trigger the switch to disconnect the water adding circuit.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, the triggering component comprises a triggering convex column integrally formed by extending the bottom of the lower coupling seat downwards, and the bottom of the triggering convex column presses against the on-off key, or the triggering component comprises a hollow column and a plug head, wherein the hollow column integrally extends and is formed from the bottom of the lower coupling seat towards the direction of the microswitch, and the plug head is assembled at the bottom of the hollow column and presses against the on-off key; the switch key is arranged on the top surface of the microswitch.

As a further scheme, the fixed seat comprises a bottom cover, and a linear guide assembly is arranged between the bottom cover and the lower coupling seat; the linear guide assembly comprises a guide sleeve and a guide convex column, wherein the guide sleeve is circumferentially and uniformly distributed on the inner side wall of the bottom cover, the guide convex column corresponds to the guide sleeve in quantity and is arranged at the bottom of the lower coupling seat, a guide hole suitable for the guide convex column to linearly penetrate is formed in the bottom of the guide sleeve, the periphery of the guide hole forms a limiting stop surface, and a step surface matched with the limiting stop surface is arranged on the guide convex column.

The elastic reset structure comprises a reset spring, the reset spring is sleeved outside the guide convex column, and two end parts of the reset spring are abutted between the limit stop surface and the step surface; the outer end of the guide convex column extends out of the outer side of the guide hole and is provided with an adjustable screw for adjusting the reset interval of the lower coupling seat, and the head of the adjustable screw is abutted and matched with the bottom surface of the guide sleeve.

As a further scheme, the linear guide assembly further comprises an outer spigot wall arranged on the bottom cover, an inner spigot portion matched with the outer spigot wall in a movable spigot manner is arranged at the bottom of the lower coupling seat, a switch mounting seat is arranged on the bottom cover, the microswitch is assembled on the switch mounting seat, and two terminals of the microswitch penetrate through the switch mounting seat and are led out to the outside.

As a further scheme, the fixing seat further comprises an assembly panel and a pressing plate, wherein an assembly through hole suitable for accommodating the bottom cover is formed in the assembly panel, a limiting part pressed against the surface of the assembly panel extends from the upper part of the bottom cover, and a fastening part is arranged on the bottom cover; the pressing plate is arranged below the assembly panel and is provided with a fastening matching part corresponding to the fastening part, and the assembly panel is fixedly clamped between the pressing plate and the limiting part through the assembly connection of the fastening matching part and the fastening part.

As a further scheme, a plurality of connecting lugs are uniformly distributed in equal intervals on the inner side wall of the pressing plate, and the fastening matching parts are arranged on the connecting lugs; the inner side wall of the bottom cover is provided with a plurality of positioning seats the number of which is the same as that of the connecting lugs, the positioning seats and the guide sleeves are arranged in a staggered manner, positioning cavities matched with the shapes of the connecting lugs are arranged in the positioning seats, and the fastening parts are arranged on the positioning seats;

the fastening part is an upper connecting hole, the fastening matching part is a lower connecting hole, and the bottom cover and the pressing plate are fixedly connected with the upper connecting hole and the lower connecting hole through the matching of the fastening piece.

As a further scheme, the lower coupling seat extends annularly along the surface of the assembly panel to form a cover, the cover movably abuts against the surface of the assembly panel to form a limiting fit, and the movable distance between the cover and the assembly panel is smaller than or equal to the distance between the hollow column and the microswitch.

As a further scheme, a spigot extension part extending between two adjacent guide sleeves is arranged on the inner spigot part, and a plurality of vertically arranged reinforcing convex ribs are arranged on the inner side wall of the spigot extension part.

As a further scheme, the kettle also comprises an upper coupling seat which is assembled and connected at the bottom of the kettle body, the upper coupling seat is a five-ring upper coupling seat, and the lower coupling seat is coupled with the five-ring upper coupling seat in a matching way and forms electrical connection; the lower coupling seat is internally provided with a central through hole, a water inlet pipeline is assembled in the central through hole, and the middle part of the upper coupling seat is provided with a water inlet head communicated with the water inlet pipeline and the inner cavity of the kettle body.

The beneficial effects of the utility model are as follows:

(1) The utility model discloses a coupler with water level control structure, this structure passes through micro-gap switch and judges the internal predetermined water level of kettle with the internal maximum water level of weight trigger mode control kettle, can replace traditional level sensor's current induction mode, avoids level sensor completely because the connection ground wire leads to the internal water body of kettle to have the weak current problem, can eliminate the power consumption hidden danger, makes coupler and its kettle body can accord with ann's rule requirement, and is safer during the use.

(2) The utility model discloses a coupler with water level control structure, total weight control when this structure reaches the predetermined water level through the kettle body adds the break-make of water circuit, under any circumstance, does not receive the influence of predetermined time of adding water and the internal original water yield of kettle, and the user need not observe the water level instantaneous position at any time when adding water, avoids appearing kettle body water level too high, and the water spills over the condition from hu kou or hu zui department and appears even, can promote user's use and experience the sense, reduces clean burden.

(3) The utility model discloses a coupler with water level control structure, level sensor can be saved to this structure, can reduce the manufacturing cost of the kettle body, can simplify the assembly process of the kettle body in addition, improves production efficiency.

Drawings

Fig. 1 is a schematic diagram of an exploded cross-sectional structure of the coupler according to the present invention.

Fig. 2 is an enlarged structural schematic view of a touch assembly at a in fig. 1.

Fig. 3 is an enlarged structural view of the linear guide assembly at B in fig. 1.

Fig. 4 is an exploded schematic view of the present invention.

Fig. 5 is a schematic view of the exploded structure of the lower coupling seat and the bottom cover of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 to 5, a coupler with a water level control structure comprises a fixing seat 1 and a lower coupling seat 3 for supporting a kettle body and electrically connecting with the kettle body, wherein an elastic reset structure is arranged between the lower coupling seat 3 and the fixing seat 1, the lower coupling seat 3 is movably assembled above the fixing seat 1 through the elastic reset structure and can move up and down relative to the fixing seat 1, a micro switch 5 connected in series with a water adding circuit 2 is arranged on the fixing seat 1, a switch key 51 is arranged on the micro switch 5, a touch component 6 for movably triggering the switch key 51 is arranged on the lower coupling seat 3, and when the bearing weight of the lower coupling seat 3 is equal to or exceeds a rated load corresponding to a preset water level, the lower coupling seat 3 moves downwards to trigger the switch key 51 so as to disconnect the water adding circuit 2.

This structure passes through micro-gap switch and judges the internal water level of predetermineeing of kettle with weight trigger mode, can replace traditional level sensor's current induction mode, avoids level sensor completely because the connecting ground wire leads to the internal water body of kettle to have the weak current problem, can eliminate the power consumption hidden danger, makes coupler and its kettle body can accord with ann rule requirement, and is safer during the use.

The specific principle is as follows: before the kettle body leaves a factory, the highest water level is preset in the kettle body, clear water is added into the kettle body until the preset highest water level position, then the total weight of the kettle body and a water body is used as the rated load of the lower coupling seat 3, after leaving the factory, water is automatically added into the kettle body during use, when the total weight of the kettle body is equal to or exceeds the rated load of the lower coupling seat 3, the lower coupling seat 3 is used for settling and driving the touch component 6 to press the switch key 51 of the microswitch 5 after the kettle body is filled with water, so that the water adding circuit 2 is disconnected, and water adding of the kettle body is stopped.

The touch component 6 comprises a trigger convex column integrally formed by extending the bottom of the lower coupling seat downwards, and the bottom of the trigger convex column is pressed against the switch key 51, or the touch component 6 comprises a hollow column 601 and a plug head 603, the hollow column 601 is integrally formed by extending the bottom of the lower coupling seat 3 towards the direction of the microswitch 5, and the plug head 603 is assembled at the bottom of the hollow column 601 and pressed against the switch key 51; the switch key 51 is arranged on the top surface of the microswitch 5; in this embodiment, the plug 603 may be made of a semi-hard material such as silicone or rubber, which can play a role of pressure buffering and is helpful for protecting the microswitch 5.

In addition, be provided with stopper spacing face 6031 on the stopper 603, stopper spacing face 6031 and the spacing cooperation of the bottom surface of cavity post 601, this structure plays limiting displacement when stopper 603 assembles.

The fixed seat 1 comprises a bottom cover 11, and a linear guide assembly 4 is arranged between the bottom cover 11 and the lower coupling seat 3; the linear guide assembly 4 comprises a plurality of guide sleeves 401 which are circumferentially and uniformly distributed on the inner side wall of the bottom cover 11, guide convex columns 402 which correspond to the guide sleeves 401 in number and are arranged at the bottom of the lower coupling seat 3, guide holes 4011 suitable for the guide convex columns 402 to linearly penetrate are formed in the bottom of the guide sleeves 401, limit stop surfaces 4012 are formed on the peripheries of the guide holes 4011, and step surfaces 4021 matched with the limit stop surfaces 4012 are arranged on the guide convex columns 402; this structure helps ensure that the lower coupling seat 3 can move up and down in the vertical direction.

The elastic reset structure is arranged on the linear guide assembly 4 and comprises a reset spring 7, the reset spring 7 is sleeved outside the guide convex column 402, and two end parts of the reset spring are abutted between the limiting stop surface 4012 and the step surface 4021; the outer end of the guide convex column 402 extends out of the outer side of the guide hole 4011 and is provided with an adjustable screw 8 for adjusting the reset interval of the lower coupling seat 3, and the head of the adjustable screw 8 is abutted and matched with the bottom surface of the guide sleeve 401; when the kettle body is water-free or low in water level or the water level is lower than the preset water level, the trigger component on the lower coupling seat 3 is separated from the pressing of the opening key 51 by the acting force of the reset spring 7, and the reset stroke of the reset spring 7 is changed by adjusting the position of the adjustable screw 8, so that the height of the preset water level in the kettle body is changed.

The linear guide assembly 4 further comprises an outer spigot wall 112 arranged on the bottom cover 11, an inner spigot portion 301 which forms a movable spigot fit with the outer spigot wall 112 is arranged at the bottom of the lower coupling seat 3, a switch mounting seat 113 is arranged on the bottom cover 11, the microswitch 5 is assembled on the switch mounting seat 113, and two terminals 52 of the microswitch 5 penetrate through the switch mounting seat 113 and are led out outwards; the outer spigot wall 112 and the inner spigot portion 301 are fitted to limit the lower coupling base 3 in the horizontal direction.

The fixing seat 1 further comprises an assembly panel 12 and a pressing plate 13, wherein an assembly through hole 121 suitable for accommodating the bottom cover 11 is formed in the assembly panel 12, a limiting part 114 pressed against the surface of the assembly panel 12 extends from the upper part of the bottom cover 11, and a fastening part 115 is arranged on the bottom cover 11; the pressing plate 13 is arranged below the assembling panel 12, a fastening matching part 131 is arranged corresponding to the fastening part 115, and the assembling panel 12 is fixedly clamped between the pressing plate 13 and the limiting part 114 through the assembly connection of the fastening matching part 131 and the fastening part 115; the assembly panel 12 is part of a base in the prior art, and the lower coupling seat 3 is fixed on the base by being connected with the assembly panel 12.

A plurality of connecting lugs 132 which are uniformly distributed at equal intervals are arranged on the inner side wall of the pressing plate 13, and the fastening matching parts 131 are arranged on the connecting lugs 132; a plurality of positioning seats 116 with the same number as the connecting lugs 132 are arranged on the inner side wall of the bottom cover 11, the positioning seats 116 and the guide sleeves 401 are arranged in a staggered manner, positioning cavities 1161 matched with the shapes of the connecting lugs 132 are arranged in the positioning seats 116, and the fastening parts 115 are arranged on the positioning seats 116; the foolproof matching of the connecting lugs 132 and the positioning cavities 1161 can improve the assembling effect of the pressing plate 13 and can uniformly disperse the pressure during assembling;

the fastening part 115 is an upper connecting hole, the fastening matching part 131 is a lower connecting hole, and the bottom cover 11 and the pressing plate 13 are fixedly connected with each other through the matching of the fastening part 81 and the upper connecting hole and the lower connecting hole; the assembly is realized through the fasteners 81 such as screws, the loose space after the assembly can be avoided, and the assembly stability among the bottom cover 11, the assembly panel 12 and the pressing plate 13 is improved.

The lower coupling seat 3 extends circumferentially along the surface of the assembly panel 12 to form a cover 302, the cover 302 movably abuts against the surface of the assembly panel 12 and forms a limit fit, and the movable distance between the cover 302 and the assembly panel 12 is smaller than or equal to the distance between the hollow column 601 and the microswitch 5; cover 302 and can protect assembly through hole 121, have waterproof dustproof effect to can disperse the weight that the lower coupling seat 3 bore the kettle body and carry out spacingly, prevent that the scope that lower coupling seat 3 moved down is too big.

A spigot extension part 303 extending between two adjacent guide sleeves 401 is arranged on the inner spigot part 301, and a plurality of vertically arranged reinforcing convex ribs 304 are arranged on the inner side wall of the spigot extension part 303; contributes to improving the structural strength of the spigot extension 303 and avoiding collision damage.

The kettle also comprises an upper coupling seat which is used for being assembled and connected at the bottom of the kettle body, the upper coupling seat is a five-ring upper coupling seat 9, and the lower coupling seat 3 is coupled with the five-ring upper coupling seat 9 in a matching way to form electrical connection; a central through hole 305 is arranged in the lower coupling seat 3, a water inlet pipeline 306 is assembled in the central through hole 305, and a water inlet head 10 communicated with the water inlet pipeline 306 and the inner cavity of the kettle body is arranged in the middle part of the upper coupling seat; this configuration provides the coupler with a bottom watering function.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. A coupler with a water level control structure comprises a fixed seat and a lower coupling seat used for supporting a kettle body and electrically connected with the kettle body, and is characterized in that an elastic reset structure is arranged between the lower coupling seat and the fixed seat, the lower coupling seat is movably assembled above the fixed seat through the elastic reset structure and can move up and down relative to the fixed seat, a microswitch connected in series with a water adding circuit is arranged on the fixed seat, a switch key is arranged on the microswitch, a touch component for movably triggering the switch key is arranged on the lower coupling seat, and when the bearing weight of the lower coupling seat is equal to or exceeds a rated load corresponding to a preset water level, the lower coupling seat moves downwards to trigger the switch key to disconnect the water adding circuit.

2. The coupler with the water level control structure as claimed in claim 1, wherein the trigger assembly comprises a trigger protrusion integrally formed by extending the bottom of the lower coupling base downward, the bottom of the trigger protrusion being pressed against the switch key, or the trigger assembly comprises a hollow column and a plug head, the hollow column integrally extends from the bottom of the lower coupling base toward the micro switch, the plug head is assembled at the bottom of the hollow column and pressed against the switch key; the switch key is arranged on the top surface of the microswitch.

3. The coupler with the water level control structure as claimed in claim 1, wherein the fixing base comprises a bottom cover, and a linear guide assembly is arranged between the bottom cover and the lower coupling base; the linear guide assembly comprises a guide sleeve and a guide convex column, wherein the guide sleeve is circumferentially and uniformly distributed on the inner side wall of the bottom cover, the guide convex column corresponds to the guide sleeve in quantity and is arranged at the bottom of the lower coupling seat, a guide hole suitable for the guide convex column to linearly penetrate is formed in the bottom of the guide sleeve, the periphery of the guide hole forms a limiting stop surface, and a step surface matched with the limiting stop surface is arranged on the guide convex column.

4. The coupler with the water level control structure is characterized in that the elastic reset structure is arranged on the linear guide assembly and comprises a reset spring, the reset spring is sleeved outside the guide convex column, and two end parts of the reset spring are abutted between the limit stop surface and the step surface; the outer end of the guide convex column extends out of the outer side of the guide hole and is provided with an adjustable screw for adjusting the reset interval of the lower coupling seat, and the head of the adjustable screw is abutted and matched with the bottom surface of the guide sleeve.

5. The coupler with the water level control structure as claimed in claim 3, wherein the linear guide assembly further comprises an outer spigot wall arranged on the bottom cover, the bottom of the lower coupling seat is provided with an inner spigot portion forming a movable spigot fit with the outer spigot wall, the bottom cover is provided with a switch mounting seat, the micro switch is assembled on the switch mounting seat, and two terminals of the micro switch are led out through the switch mounting seat to the outside.

6. The coupler with the water level control structure as claimed in claim 3, wherein the fixing base further comprises an assembling panel and a pressing plate, the assembling panel is provided with an assembling through hole suitable for accommodating the bottom cover, a limiting part pressed against the surface of the assembling panel extends from the upper part of the bottom cover, and the bottom cover is provided with a fastening part; the pressing plate is arranged below the assembly panel and is provided with a fastening matching portion corresponding to the fastening portion, and the assembly panel is fixedly clamped between the pressing plate and the limiting portion through the assembly connection of the fastening matching portion and the fastening portion.

7. The coupler with the water level control structure as claimed in claim 6, wherein the inner side wall of the pressing plate is provided with a plurality of connecting lugs which are uniformly distributed at equal intervals, and the fastening matching parts are arranged on the connecting lugs; the inner side wall of the bottom cover is provided with a plurality of positioning seats the number of which is the same as that of the connecting lugs, the positioning seats and the guide sleeves are arranged in a staggered manner, positioning cavities matched with the shapes of the connecting lugs are arranged in the positioning seats, and the fastening parts are arranged on the positioning seats;

8. The coupler with the water level control structure as recited in claim 6, wherein the lower coupling seat is provided with a cover extending along the circumferential direction of the surface of the assembling panel, the cover movably abuts against the surface of the assembling panel to form a limit fit, and the movable distance between the cover and the assembling panel is smaller than or equal to the distance between the hollow column and the micro switch.

9. The coupler with the water level control structure as claimed in claim 5, wherein the inner spigot portion is provided with a spigot extension portion extending between two adjacent guide sleeves, and the inner side wall of the spigot extension portion is provided with a plurality of vertically arranged reinforcing ribs.

10. The coupler with the water level control structure as claimed in claim 1, further comprising an upper coupling seat for assembling and connecting to the bottom of the kettle body, wherein the upper coupling seat is a five-ring upper coupling seat, and the lower coupling seat is coupled with the five-ring upper coupling seat in a matching manner and forms an electrical connection; the lower coupling seat is internally provided with a central through hole, a water inlet pipeline is assembled in the central through hole, and the middle part of the upper coupling seat is provided with a water inlet head communicated with the water inlet pipeline and the inner cavity of the kettle body.