CN217295806U

CN217295806U - Sealing device for garbage can and garbage can reliable in packaging

Info

Publication number: CN217295806U
Application number: CN202220410970.9U
Authority: CN
Inventors: 喻金明; 张泽彬; 占成林
Original assignee: Leshow Electronic Technology Co Ltd
Current assignee: Leshow Electronic Technology Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-26
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to a domestic household appliances field, for the improvement to the reliability of disposal bag packing and shorten the length of drawing in back disposal bag oral area in, especially relate to a sealing device that garbage bin used and pack reliable garbage bin, sealing device includes the base, installs be used for on the base treating the disposal bag that seals carry out the heating unit that heats and the circuit of being connected with the heating unit electricity, wherein, be equipped with on the base and be located the guide structure of one side of heating unit, guide structure is close to the one end protrusion of heating unit in the heating unit. The design of the bulges and the sharp angles can be reduced to block the collection of the garbage bag, even the garbage bag is scraped and broken, and the like; the heat sealing device with the structure can reduce the furling length of the opening part of the garbage bag, and further can shorten the length of the heating unit and the heat sealing device, thereby being suitable for garbage cans of various specifications.

Description

Sealing device for garbage can and garbage can reliable in packaging

Technical Field

The utility model relates to a domestic appliance field especially relates to a sealing device that garbage bin used and reliable garbage bin of packing.

Background

The latest intelligent garbage can in the market has novel automatic packing and bagging functions. The automatic packing function is realized drawing in the opening of the garbage bag through the application of the drawing-in component and the heat sealing device, and finally the heat sealing of the opening of the garbage bag is realized through heating at the heat sealing device. This kind of intelligent garbage bin possesses the function of a key packing cover bag, has liberated people's both hands, makes the consumer reduce the chance with the hand direct contact disposal bag. Has wide application prospect in kitchens, bathrooms and toilets.

But the existing heat sealing device of the intelligent garbage can has no guide structure; or even if the guide structure is arranged, the sharp angle at the connecting position of the guide structure and the heating unit is arranged, so that various bulges or sharp parts are arranged on the folding path of the garbage bag, the garbage bag is scratched in the folding process or is not folded in place, and the sealing of the opening of the garbage bag is not perfect.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem in the background art, the utility model provides a sealing device and the reliable garbage bin of packing that garbage bin used prevents that the disposal bag from being scraped brokenly drawing in the in-process in, improves the reliability of drawing in, and then improves the sealed reliability of disposal bag oral area.

The heat sealing device for the garbage can comprises a base, a heating unit and a circuit, wherein the heating unit is installed on the base and used for heating a garbage bag to be sealed, the circuit is electrically connected with the heating unit, a guide structure is arranged on the base and located on one side of the heating unit, and one end, close to the heating unit, of the guide structure protrudes out of the heating unit.

Preferably, the guide structure extends outward in a direction toward the heating unit along an outer side of the base, and gradually moves away from the heating unit.

Preferably, the guide structure includes a guide slope, a terminating point of the guide slope is higher than the heating unit, and a starting point of the guide slope is lower than the heating unit.

Preferably, the base with guide structure integrated into one piece, guide structure still includes certainly the terminal point on direction inclined plane to the first face that heating unit extended, first face with the junction radius angle on direction inclined plane.

Preferably, the circuit and the heating unit are fixed on the base through a nut and a fixing hole which is formed in the base and matched with the nut, and the circuit and the heating unit are fixed at the same end of the nut through the same nut.

A garbage can with reliable packaging comprises the heat sealing device, a can body used for containing garbage bags, and a folding assembly for folding the opening parts of the garbage bags, wherein the garbage bags move to the heating unit along the guide structure under the action of the folding assembly;

or the folding assembly further comprises a third folding rod and a fourth folding rod which are positioned on two sides of the first folding rod, the third folding rod and the fourth folding rod move in opposite directions and move in a direction perpendicular to the first folding rod, the heat sealing device is arranged between the third folding rod and the fourth folding rod, and the two guide structures are symmetrically arranged on two sides of the heating unit respectively.

Preferably, be equipped with the recess on the first pole of drawing in, be equipped with the elastomer in the recess, the elastomer have with guide structure complex guide part and with heating element complex heat-seal portion, the guide part is from keeping away from heating element's direction is close to heating element's direction is the slope extension outward.

Preferably, the guide portion and the groove form an avoiding groove, and the avoiding groove is used for accommodating the guide structure.

Preferably, be equipped with location structure in the recess, location structure includes spacing muscle and lower spacing muscle, the elastomer is located go up spacing muscle with down between the spacing muscle, the guide part with heat-seal portion transitional coupling department parcel has fire-retardant thermal-insulated lubricated part.

Preferably, the second gathering bar comprises a first gathering part and a second gathering part, the first gathering part is close to the heat sealing device, the width of the first gathering part is greater than that of the second gathering part, the inner side surface of the second gathering part is perpendicular to the first gathering bar, the inner side surface of the first gathering part is in transitional connection with the inner side surface of the second gathering part, and the included angle is alpha, wherein alpha is greater than or equal to 150 degrees and is less than or equal to 175 degrees.

The utility model has the advantages that:

1. through the arrangement of the guide structure, the garbage can is guided when the garbage can folds the garbage bag; one end of the guide structure, which is close to the heating unit, protrudes out of the heating unit, namely the tail end of the guide structure is higher than the surface where the heating unit is located, so that the garbage bag is folded to the heating unit, and the blockage of folding the garbage bag, even the garbage bag is scraped and broken due to the protrusion and sharp corner design is reduced; the heat sealing device with the structure can reduce the furling length of the opening part of the garbage bag, and further can shorten the length of the heating unit and the heat sealing device, thereby being suitable for garbage cans of various specifications. The heat sealing device is particularly suitable for the garbage can with the heat sealing device and the folding rod which are arranged in an intersecting manner.

2. Through making guide structure along the outside of base is to heating unit's direction is outwards extended, and keeps away from gradually heating unit for it can guide the disposal bag gradually when being applied to the garbage bin, improves and draws in the guide effect in.

3. The end point of the guide inclined plane is higher than the heating unit, so that the garbage bag is prevented from being hooked by the heating unit, the starting point of the guide inclined plane is lower than the heating unit, the garbage bag can be folded conveniently, and the garbage bag positioned at the edge of the garbage can be folded.

4. The base and the guide structure are integrally formed, so that the production and manufacturing efficiency is improved, the component composition of the heat sealing device is reduced, the assembly efficiency of the heat sealing device is improved, and the influence of gaps, bulges and the like caused by component assembly on the folding effect of the garbage bag is reduced; the arrangement of the guide round angle is beneficial to the reduction and concentration of the folding opening of the garbage bag, thereby reducing the length of the heating unit and the length of the heat sealing device.

5. Through the nut assembly structure of circuit, heating unit and base and circuit and heating unit through same nut fixed and be fixed in the same one end of nut, reduce the space and occupy, reduce sealing device's volume to can be applicable to small-size garbage bin.

6. When the heat sealing device is assembled on the garbage can, the installation position of the heat sealing device is different according to different structures of the folding assembly. When the three folding rods are arranged, the heat sealing device is arranged in the middle of the garbage can, and the number of the guide structures is two, so that when the garbage bag is folded, the two sides of the garbage bag have a guide effect, the opening of the garbage bag is reduced, the length of the heating wire is reduced, the length of the heating device is reduced, the occupation of the installation space is reduced, and the sealing reliability is improved; the two guide structures are symmetrically arranged, so that the folding uniformity of two sides of the garbage bag can be improved; when two folding rods are arranged, the heat sealing device is assembled at the corner of the garbage can, so that the garbage bag can be guided by the guide structure in the folding process.

7. Through the design of the guide part on the elastic body, the structural interference with the heat sealing device is avoided, and particularly the structural interference with the guide structure is avoided; the situation that the garbage bag scrapes the two sides of the elastic body when being folded is avoided, so that the sealing is poor; through the setting of heat-seal portion, hug closely more during messenger's heat-seal, the zero clearance to improve sealing reliability.

8. Through the design of the avoiding groove, after the garbage bag is folded, the heat sealing part is more tightly attached to and has no clearance when being matched with the heating unit for heat sealing, so that the sealing reliability is improved.

9. Through the design of location structure, be convenient for when the production equipment, make things convenient for the operator to fix a position the installation fast and paste the elastomer, avoid the equipment unusual condition to take place. When the disposal bag draws in, the frictional force on elastomer surface is great, and the disposal bag can probably be hung when rubbing elastomer surface, has fire-retardant thermal-insulated lubricated part through guide part and heat-seal portion transitional coupling department parcel for avoid being hung when the disposal bag draws in, guarantee to seal the quality.

10. Through the structural design of the second furling rod, the inner side surfaces of the first furling part and the second furling part are in transitional connection, alpha is more than or equal to 150 degrees and less than or equal to 175 degrees, and when the garbage bag is furled, the garbage bag can be smoothly furled together to ensure the width of a seal; when the alpha is less than 150 degrees, the angle at the transition position is steeper, so that the opening of the garbage bag is not uniformly folded, and poor sealing is caused; when alpha is larger than 175 degrees, the transition position is relatively flat and slow, the gathering guide effect on the garbage bag can not be achieved almost, the length of the mouth of the garbage bag after gathering is too large, the heating unit needs to be lengthened to overcome the defect, or the mouth of the garbage bag can not be in contact with the heating unit, so that poor sealing is caused.

Drawings

Fig. 1 is a schematic structural view of a heat sealing apparatus according to embodiment 1 of the present invention.

Fig. 2 is an exploded view of the heat sealing apparatus according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of the guiding structure according to embodiment 1 of the present invention.

Fig. 4 is a schematic view of an installation structure of the heating unit and the circuit according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of a trash can according to embodiment 2 of the present invention.

Fig. 6 is a schematic view of a matching structure of the heat sealing device and the folding assembly in embodiment 2 of the present invention.

Fig. 7 is a schematic view of a matching structure of the first folding rod and the elastic body according to embodiment 2 of the present invention.

Fig. 8 is a schematic structural view of a first folding rod according to embodiment 2 of the present invention.

Fig. 9 is a schematic view of an assembly structure of the flame-retardant, heat-insulating and lubricating component and the elastomer according to embodiment 2 of the present invention.

The names of the components of the various reference numbers shown in the figures are as follows:

1. a heat sealing device; 101. a base; 102. a heating unit; 1021. a guide structure; 1022. A guide slope; 1023. a first side; 1024. heat-sealing the heating wire; 1025. fusing the heating wire; 1026. a line; 1027. a nut; 1028. a heat insulating flame retardant layer; 1029. a reinforcement; 1030. a high temperature anti-sticking layer; 2. a trash can; 201. a first draw bar; 202. a second draw bar; 203. a third draw bar; 204. a barrel body; 205. a groove; 206. an elastomer; 2061. a guide portion; 2062. a heat-seal part; 207. an avoidance groove; 208. an upper limit rib; 209. a lower limiting rib; 2010. a flame-retardant, heat-insulating, and lubricating component; 2011. a first closing part; 2012. a second gathering part.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments.

Example 1:

this embodiment describes a heat sealing device suitable for a trash can.

As shown in fig. 1 to 4, a heat sealing device 1 for a trash can 2 includes a base 101, a heating unit 102 mounted on the base 101 for heating a trash bag to be sealed, and a line 1026 electrically connected to the heating unit 102, wherein a guide structure 1021 located on one side of the heating unit 102 is provided on the base 101, and one end of the guide structure 1021 close to the heating unit 102 protrudes out of the heating unit 102. The base 101 may be a ceramic base 101, and the heating unit 102 is a heating wire fixed on the ceramic base 101, which is the simplest configuration of the heat sealing device 1. It is understood that the base 101 may be made of other high temperature resistant materials. When the heat sealing device 1 is mounted on the trash can 2, the line 1026 is used for electrical connection with a battery of the trash can 2, thereby supplying an operating current to the heating unit 102.

Further, as shown in fig. 1 and 3, the guiding structure 1021 extends outwards along the outer side of the base 101 towards the heating unit 102, and gradually gets away from the heating unit 102. The "outward" direction refers to a direction that is perpendicular or nearly perpendicular to the plane of the heating unit 102.

Further, as shown in fig. 1 to 3, the guiding structure 1021 includes a guiding inclined surface 1022, an end point a of the guiding inclined surface 1022 is higher than the heating unit 102, and a starting point C of the guiding inclined surface 1022 is lower than the heating unit 102 (as shown in C in fig. 2, C is a surface on which the heating unit 102 is located).

Further, as shown in fig. 1 and 2, the base 101 is integrally formed with the guiding structure 1021, the guiding structure 1021 further includes a first surface 1023 extending from the end point a of the guiding inclined surface 1022 to the heating unit 102, and a connection between the first surface 1023 and the guiding inclined surface 1022 is rounded. The first surface 1023 may be perpendicular to the heating unit 102 (fig. 1) or may be an inclined surface (fig. 3).

As shown in fig. 2 and 4, the line 1026 and the heating unit 102 are fixed to the base 101 through a nut 1027 and a fixing hole provided in the base 101 and engaged with the nut 1027, and the line 1026 and the heating unit 102 are fixed to the same end of the nut 1027 through the same nut 1027. The heating unit 102 includes a heating wire, and a heat-insulating flame-retardant layer 1028, and the heat-insulating flame-retardant layer 1028 is located between the heating wire and the base 101 to prevent the base 101 from being damaged by high temperature. All carry out fillet transition at every corner of base 101 for direction when the disposal bag draws in is favorable to reducing of disposal bag draw in mouthful concentrating, thereby reduces the length of heater strip, further reduces whole sealing device 1's length. The insulating flame retardant layer 1028 is preferably a mica sheet, which is fragile and fragile, and a stiffener 1029 is added between the mica sheet and the base 101.

In this example, the heating wires include a heat-sealing heating wire 1024 and a fusing heating wire 1025, and the heat-sealing heating wire 1024 is located above the fusing heating wire 1025. The heat-sealing heating wire 1024 and the fusing heating wire 1025 have different temperatures and widths, and the power of the heat-sealing heating wire 1024 is smaller than that of the fusing heating wire 1025; the width of the heat-sealing heating wire 1024 is larger than the width of the fusing heating wire 1025. The antiseized layer 1030 of outside cladding high temperature of heat-seal heater strip 1024 sets up the antiseized layer 1030 of high temperature between fusing heater strip 1025 and the mica sheet, prevents that the disposal bag from gluing on the heater strip.

In order to prevent the line 1026 from being affected by the heat of the heating wire, a thermal insulation structure is added between the line 1026 and the heating wire, and preferably a mica sheet is used for separation.

Example 2:

as shown in fig. 1-9, the present embodiment provides a trash can 2 that is reliable in packing, wherein, comprises the heat sealing device 1 in the embodiment 1, a barrel body 204 for accommodating the garbage bag, and a folding assembly for folding the mouth part of the garbage bag, the garbage bag is moved along the guide structure 1021 toward the heating unit 102 by the gathering assembly, the folding assembly comprises a first folding rod 201 arranged opposite to the heat sealing device 1, a second folding rod 202 and a third folding rod 203 which are positioned at two sides of the first folding rod 201, the second gathering rod 202 and the third gathering rod 203 move towards each other and move in a direction perpendicular to the first gathering rod 201, the heat sealing device 1 is arranged between the second folding rod 202 and the third folding rod 203, the guiding structures 1021 include two guiding structures, which are respectively disposed at two sides of the heating unit 102 and symmetrically disposed.

As shown in fig. 7 to 9, a groove 205 is formed on the first gathering rod 201, an elastic body 206 is disposed in the groove 205, the elastic body 206 has a guiding portion engaged with the guiding structure 1021, and a heat-seal portion 2062 engaged with the heating unit 102, and the guiding portion extends obliquely outward from a direction away from the heating unit 102 to a direction close to the heating unit 102. The elastomer 206 is preferably a foamed silicone rubber.

As shown in fig. 7 and 9, the guiding portion and the groove 205 form an avoiding groove 207, and the avoiding groove 207 is used for accommodating the guiding structure 1021. When the first folding rod 201 is folded in place, the guiding structure 1021 is located in the avoiding groove 207, and the heat-sealing portion 2062 is tightly matched with the heating unit 102 to press the garbage bag between the two, so as to achieve the purpose of sufficient heat sealing.

As shown in fig. 8, a positioning structure is arranged in the groove 205, the positioning structure includes an upper limiting rib 208 and a lower limiting rib 209, the elastic body 206 is located between the upper limiting rib 208 and the lower limiting rib 209, and the left and right side walls of the groove 205 limit the left and right directions of the elastic body 206, so that the elastic body 206 can be accurately mounted in place during mounting, and the mounting efficiency is improved. As shown in fig. 9, the transition joint of the guide portion and the heat-seal portion 2062 is wrapped by a flame-retardant heat-insulation lubricating component 2010, the heat-insulation lubricating component is preferably a teflon tape, the surface of the teflon tape is very smooth, friction is reduced when the garbage bag is folded, the garbage bag is prevented from being hung by the elastic body 206, and the sealing quality is improved.

As shown in fig. 2, second draw in bar 202, third draw in bar 203 all include first draw in portion 2011 and second draw in portion 2012, first draw in portion 2011 is close to sealing device 1, the width of first draw in portion 2011 is greater than second draw in portion 2012, the medial surface perpendicular to of second draw in portion 2012 first draw in bar 201, the medial surface of first draw in portion 2011 with the medial surface transitional coupling of second draw in portion 2012, and the institute angulation is alpha, 150 is not less than alpha and is not less than 175.

It can be understood that the folding assembly includes a first folding rod 201 disposed opposite to the heat sealing device 1, and the folding assembly further includes a second folding rod 202 disposed on one side of the first folding rod 201, the heat sealing device 1 is disposed at a corner of the barrel 204, and when the folding assembly folds the mouth of the garbage bag, the second folding rod 202 moves close to the guiding structure 1021. The can body 1 is provided with a garbage putting opening, when the garbage putting opening is square, rectangular or approximately square, the heat sealing device 1 is arranged at the corner position, namely the heat sealing device 1 is arranged at one side of the putting opening, and one end of the heat sealing device 1 without a guide structure is arranged close to the junction of two sides of the putting opening.

Further, the second gathering bar 202 includes a first gathering part 2011 and a second gathering part 2012, the first gathering part 2011 is close to the heat sealing device 1, the width of the first gathering part 2011 is greater than the second gathering part 2012, the inner side surface of the second gathering part 2012 is perpendicular to the first gathering bar 201, the inner side surface of the first gathering part 2011 is in transition connection with the inner side surface of the second gathering part 2012, and the included angle is α, and 150 ° is not less than α and not more than 175 °.

With the garbage can 2 of the heat sealing device 1 according to embodiment 1, the heat sealing device 1 can shorten the folding length of the garbage bags, so that the length of the heat sealing device 1 can be reduced, the space utilization rate of the garbage can 2 using the heat sealing device 1 can be improved, and a relatively large garbage storage space can be obtained.

The above-described embodiments are merely preferred embodiments of the present invention, not all embodiments of the present invention, and various modifications may be made by those skilled in the art according to the principle of the present invention without departing from the spirit of the present invention, which is defined by the scope of the appended claims.

Claims

1. The heat sealing device for the garbage can comprises a base, a heating unit and a circuit, wherein the heating unit is installed on the base and used for heating a garbage bag to be sealed, the circuit is electrically connected with the heating unit, the heat sealing device is characterized in that a guide structure is arranged on the base and located on one side of the heating unit, and one end, close to the heating unit, of the guide structure protrudes out of the heating unit.

2. The heat-sealing device as claimed in claim 1, wherein the guide structure extends outward in a direction toward the heating unit along an outer side of the base, and gradually away from the heating unit.

3. The heat-sealing apparatus as claimed in claim 2, wherein said guide structure includes a guide slope having a terminal point higher than said heating unit and a starting point lower than said heating unit.

4. The heat-sealing device as claimed in claim 3, wherein said base is formed integrally with said guide structure, said guide structure further comprising a first face extending from a terminal point of said guide slope toward said heating unit, a junction of said first face and said guide slope being rounded.

5. The heat-sealing apparatus as claimed in claim 1, wherein the wire and the heating unit are fixed to the base through a nut and a fixing hole provided in the base and engaged with the nut, and the wire and the heating unit are fixed to the same end of the nut through the same nut.

6. A garbage can with reliable packaging, comprising the heat-sealing device of any one of claims 1 to 5, a can body for accommodating garbage bags, and a folding assembly for folding the mouth portions of the garbage bags, wherein the garbage bags move towards the heating unit along the guide structure under the action of the folding assembly, the folding assembly comprises a first folding rod arranged opposite to the heat-sealing device, the folding assembly further comprises a second folding rod arranged at one side of the first folding rod, the heat-sealing device is arranged at the corner portions of the can body, and when the folding assembly folds the mouth portions of the garbage bags, the second folding rod moves close to the guide structure;

7. The trash can of claim 6, wherein the first gathering bar has a groove, an elastic body is disposed in the groove, the elastic body has a guiding portion engaged with the guiding structure and a heat sealing portion engaged with the heating unit, and the guiding portion extends obliquely outward from a direction away from the heat sealing portion to a direction close to the heat sealing portion.

8. A waste bin according to claim 7 wherein the guide forms an escape slot with the recess for receiving the guide formation.

9. The trash can of claim 7, wherein a positioning structure is arranged in the groove, the positioning structure comprises an upper limiting rib and a lower limiting rib, the elastic body is located between the upper limiting rib and the lower limiting rib, and a transition joint of the guide portion and the heat sealing portion is wrapped with a flame-retardant heat-insulation lubricating component.

10. The trash can of claim 6, wherein the second gathering bar comprises a first gathering portion and a second gathering portion, the first gathering portion is close to the heat sealing device, the width of the first gathering portion is larger than that of the second gathering portion, the inner side surface of the second gathering portion is perpendicular to the first gathering bar, the inner side surface of the first gathering portion is in transition connection with the inner side surface of the second gathering portion, and the included angle is α, and α is greater than or equal to 150 ° and less than or equal to 175 °.