CN218094182U

CN218094182U - Seal ring and heater

Info

Publication number: CN218094182U
Application number: CN202222656256.0U
Authority: CN
Inventors: 殷伊凡; 谢伟藩; 史林
Original assignee: Hengjie Intelligent Sanitary Ware Shenzhen Co ltd
Current assignee: Hengjie Intelligent Sanitary Ware Shenzhen Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2022-12-20
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a sealing washer and heater, wherein, the sealing washer is used for sealing heater's heating chamber, the sealing washer includes supporting part and sealed face, sealed face towards the heating chamber, the supporting part is located sealed face periphery, the supporting part be used for with the inner wall joint in heating chamber, be formed with a plurality of first recesses on the sealed face, first recess encircles the center interval of sealed face sets up, adjacent two form the second recess between the first recess, the opening direction of second recess with the opening opposite direction of first recess, the sealing washer is deformable material. The utility model discloses technical scheme aims at when the frozen volume grow of water, utilizes the fast expansion stress who releases ice of sealing washer, prevents that the sealing washer from being risen and split or dropping.

Description

Seal ring and heater

Technical Field

The utility model relates to a sealed technical field that prevents frostbite, in particular to sealing washer and heater.

Background

The water is heated by the heater in the water path, but when the temperature is lower than zero and the heater does not work, the water in the inner cavity of the heater can be frozen into ice, the volume of the ice is larger than that of the water, and the sealing device for sealing the heating cavity can be cracked, so that the sealing effect of the sealing device is lost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sealing washer, when the frozen volume grow of water, utilize the quick expansion stress who releases ice of sealing washer, prevent that the sealing washer from being risen and split or dropping.

In order to achieve the above object, the utility model provides a sealing washer is used for sealing heater's heating chamber, the sealing washer includes supporting part and sealed face, sealed face towards the heating chamber, the supporting part is located sealed face periphery, the supporting part be used for with the inner wall joint in heating chamber, be formed with a plurality of first recesses on the sealed face, first recess encircles the center interval of sealed face sets up, adjacent two form the second recess between the first recess, the opening direction of second recess with the opening opposite direction of first recess, the sealing washer is deformable material.

In an embodiment of the present invention, a plurality of straight portions, a plurality of first curved portions, and a plurality of second curved portions are disposed on the sealing surface, an extending direction of the straight portions is perpendicular to a radial direction of the sealing surface, and bending directions of the first curved portions and the second curved portions are opposite;

first flexion with the second flexion is same respectively the both ends of straight portion link to each other, through two that first flexion links to each other are adjacent straight portion with first flexion forms first recess, through two that the second flexion links to each other are adjacent straight portion with the second flexion forms the second recess.

The utility model discloses an in the embodiment, adjacent two distance between the straight portion equals, or adjacent two distance inequality between the straight portion.

In an embodiment of the present invention, the sealing surface edge is provided with a connecting portion, the connecting portion is connected to the supporting portion, the supporting portion is connected to the connecting portion and the straight portion encloses and closes to form a third groove, an opening direction of the third groove is the same as the first groove, or is the same as the opening direction of the second groove.

The utility model also provides a heater, heater includes main part, lid and as above the sealing washer, the main part with the lid encloses to close and forms the heating chamber, the lid with the junction of main part forms the cell body, the sealing washer is located in the cell body, the supporting part of sealing washer with the cell wall joint of cell body.

In an embodiment of the present invention, the groove body is wound around the extending direction of the heating chamber, the supporting portion is located in the groove body, so that one side of the sealing ring faces the heating chamber and the other side faces the cover body.

In an embodiment of the present invention, the cover body faces one side of the sealing ring and is provided with a avoiding space.

The utility model discloses an in an embodiment, the heater is still including leading positive core and heating tube, lead positive core and be located in the cell body, just it is close to lead positive core the sealing washer towards the one side setting in heating chamber, the heating intracavity is located to the heating tube, the one end of heating tube with lead positive core and connect.

In an embodiment of the utility model, the heating tube is inside to be equipped with and to hold the chamber, lead positive core including a plurality of archs and backup pad, it is a plurality of the arch is located the backup pad towards one side of heating tube, it is a plurality of the arch stretches into hold the chamber, and with hold the laminating of the inner wall in chamber, adjacent two be formed with first clearance between the arch, the backup pad is located in the cell body, just the backup pad with the heating tube is close to be formed with the second clearance between the one end of backup pad, hold the chamber and pass through first clearance with the second clearance with heating chamber intercommunication.

In an embodiment of the present invention, a through hole is formed in the supporting plate, and the through hole communicates with the heating cavity and the supporting plate and the space between the sealing rings.

The utility model discloses technical scheme is through setting up a plurality of first recesses that encircle sealed face center on the sealed face of sealing washer, form the second recess between two adjacent first recesses, the opening direction of first recess is opposite with the opening direction of second recess, and the sealing washer is the deformable material, because the sealing washer can contact water in only the first recess, so when water volume grow when freezing, first recess is propped open by ice, the second recess receives crowded to the direction expansion of keeping away from the heating chamber, make the ascending volume grow of the first recess opening of sealing washer, the effectual inflation stress of ice that has released, the condition that the sealing washer is the expansion crack or drop has been prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

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

fig. 2 is a schematic cross-sectional view of an embodiment of the sealing ring of the present invention;

FIG. 3 is a schematic structural view of an embodiment of the heater of the present invention;

fig. 4 is a schematic cross-sectional view of an embodiment of the heater of the present invention;

fig. 5 is a schematic structural view of an embodiment of a center guide core of the heater of the present invention.

The reference numbers indicate:

reference numerals	Name(s)	Reference numerals	Name (R)
				1000	Heating device	210	Heating cavity
100	Sealing ring	300	Cover body
				110	Supporting part	310	Avoidance space
120	Sealing surface	400	Trough body
				121	Straight part	500	Guide core
122	First bending part	510	Projection
				123	Second bending part	520	Supporting plate
124	Connecting part	521	Through hole
				130	The first groove	530	First gap
140	Second groove	540	Second gap
				150	Third groove	600	Heating tube
200	Main body	610	Containing chamber

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a sealing ring 100 for seal heater 1000's heating chamber 210.

In the embodiment of the present invention, the sealing ring 100 includes a supporting portion 110 and a sealing surface 120, the sealing surface 120 faces the heating cavity 210, the supporting portion 110 is located on the periphery of the sealing surface 120, the supporting portion 110 is used for being clamped to the inner wall of the heating cavity 210, a plurality of first grooves 130 are formed on the sealing surface 120, the first grooves 130 surround the center of the sealing surface 120 at intervals, two adjacent first grooves 130 form a second groove 140 therebetween, the opening direction of the second groove 140 is opposite to the opening direction of the first groove 130, and the sealing ring 100 is made of a deformable material.

The utility model discloses technical scheme is through setting up a plurality of first recesses 130 that encircle sealed face 120 center on sealed face 120 at sealing washer 100, form second recess 140 between two adjacent first recesses 130, the opening direction of first recess 130 is opposite with the opening direction of second recess 140, and sealing washer 100 is the deformable material, because sealing washer 100 only can contact water in the first recess 130, so when water freezes the volume grow, first recess 130 is strutted by ice, second recess 140 receives the extrusion and expands to the direction of keeping away from heating chamber 210, make the ascending volume grow of the first recess 130 opening direction of sealing washer 100, whole sealed face 120 is to the one side protrusion of keeping away from heating chamber 210, sealed face 120 has increased the volume of heating chamber 210 through deformation, the effectual expansion stress who releases ice, the condition that sealing washer 100 was prevented the spalling or dropped.

In this embodiment, the supporting portion 110 is provided with protrusions 510 spaced apart from each other at an outer periphery thereof to better seal a gap between the sealing ring 100 and the inner wall of the heating chamber 210.

In an embodiment of the present invention, the sealing surface 120 is provided with a plurality of straight portions 121, a plurality of first bending portions 122 and a plurality of second bending portions 123, an extending direction of the straight portions 121 is perpendicular to a radial direction of the sealing surface 120, a bending direction of the first bending portions 122 is opposite to a bending direction of the second bending portions 123, the first bending portions 122 and the second bending portions 123 are respectively connected to the same two ends of the straight portions 121, two adjacent straight portions 121 connected to the first bending portions 122 form the first groove 130 with the first bending portions 122, and two adjacent straight portions 121 connected to the second bending portions 123 form the second groove 140 with the second bending portions 123.

In this embodiment, the first grooves 130 and the second grooves 140 in the sealing ring 100 are alternately arranged, and the straight portion 121, the first bending portion 122 and the second bending portion 123 are connected to form a multi-layer fold on the sealing ring 100, so that the sealing surface 120 can be easily opened.

In this embodiment, two adjacent straight portions 121 are connected through the first bending portion 122 to form the first groove 130, the opening direction of the first groove 130 faces the heating chamber 210, when water in the first groove 130 is frozen to ice, the ice props the straight portions 121 at two sides of the first groove 130, and the corresponding first bending portion 122 is deformed to enlarge the volume of the first groove 130, so that the volume of the heating chamber 210 is enlarged.

In this embodiment, two adjacent straight portions 121 are connected through the second bending portion 123 to form the second groove 140, the opening direction of the second groove 140 faces away from the heating cavity 210, when the volume of water frozen in the first groove 130 becomes larger, ice props up the straight portions 121 on both sides of the first groove 130, the straight portions 121 of two adjacent first grooves 130 are all propped up, so that the straight portions 121 on both sides of the second groove 140 between the two first grooves 130 become narrower, the second bending portion 123 moves to one side away from the heating cavity 210, and the volume of the heating cavity 210 is further enlarged.

In this embodiment, the volume expanded by the sealing surface 120 is related to the surface area of the sealing surface 120, and it can be understood that, since the sealing ring 100 is made of a deformable material, when the cavity 610 formed by the sealing surface 120 is the largest, all the straight portions 121, all the first bending portions 122, and all the second bending portions 123 are the cavity walls of the cavity 610, if the capability of the sealing ring 100 to relieve the expansion stress of ice is to be increased, the length of the straight portions 121 may be extended to increase the surface area of the sealing ring 100, or a plurality of first grooves 130 may be additionally provided, so that a plurality of first bending portions 122 and a plurality of second bending portions 123 are indirectly increased to increase the surface area of the sealing ring 100.

In an embodiment of the present invention, the distance between two adjacent straight portions 121 is equal, or the distance between two adjacent straight portions 121 is unequal.

In an embodiment of the present invention, the edge of the sealing surface 120 is provided with a connecting portion 124, the connecting portion 124 is connected to the supporting portion 110, the connecting portion 124 and the straight portion 121 enclose and form a third groove 150, and an opening direction of the third groove 150 is the same as the first groove 130, or the opening direction of the second groove 140 is the same.

The utility model discloses still provide a heater 1000, this heater 1000 include main part 200, lid 300 and as above sealing washer 100, above-mentioned embodiment is referred to this sealing washer 100's concrete structure, because this heater 1000 has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

The main body 200 and the cover body 300 enclose to form the heating cavity 210, a groove body 400 is formed at the joint of the cover body 300 and the main body 200, the sealing ring 100 is arranged in the groove body 400, and the supporting portion 110 of the sealing ring 100 is clamped with the groove wall of the groove body 400.

In an embodiment of the present invention, the groove 400 is disposed around the extending direction of the heating cavity 210, and the supporting portion 110 is located in the groove 400, so that one side of the sealing ring 100 faces the heating cavity 210 and the other side faces the cover 300.

In this embodiment, the supporting portion 110 is fixed by the slot body 400, and the sealing surface 120 connected to the supporting portion 110 is further fixed, and the outer periphery of the supporting portion 110 is provided with an interval protrusion 510 abutted to the slot body 400, for sealing a gap between the supporting portion 110 and the slot body 400.

In an embodiment of the present invention, an avoiding space 310 is provided at a side of the cover 300 facing the sealing ring 100.

In this embodiment, the escape space 310 is used to accommodate the sealing ring 100 when protruding.

In an embodiment of the present invention, the heater 1000 further includes a guiding core 500 and a heating tube 600, the guiding core 500 is located in the groove 400, the guiding core 500 is adjacent to the sealing ring 100 facing to a surface of the heating cavity 210, the heating tube 600 is located in the heating cavity 210, and one end of the heating tube 600 is connected to the guiding core 500.

In an embodiment of the present invention, the heating tube 600 is provided with a cavity 610 inside, the guiding core 500 includes a plurality of protrusions 510 and a supporting plate 520, the protrusions 510 are disposed on one side of the heating tube 600 facing the supporting plate 520, the protrusions 510 extend into the cavity 610, and the inner wall of the cavity 610 is attached to the inner wall of the cavity, two adjacent protrusions 510 are formed with a first gap 530 therebetween, the supporting plate 520 is disposed in the slot 400, the supporting plate 520 is disposed near the heating tube 600, a second gap 540 is formed between one end of the supporting plate 520, the cavity 610 passes through the first gap 530 and the second gap 540 and the heating cavity 210 is communicated with each other.

In this embodiment, the heater 1000 is provided with a water inlet and a water outlet, the water inlet is communicated with the accommodating cavity 610 of the heating tube 600, the water outlet is communicated with the heating cavity 210, and the water flows into the water inlet and sequentially passes through the accommodating cavity 610, the first gap 530 and the second gap 540 to flow into the heating cavity 210 and flow out from the water outlet.

In an embodiment of the present invention, the supporting plate 520 is provided with a through hole 521, and the through hole 521 communicates the heating cavity 210 with a space between the supporting plate 520 and the sealing ring 100.

In this embodiment, when the water in the cavity 610 flows into the first gap 530 and the second gap 540 from the cavity 610, the flow path of the water is narrowed, so that the pressure of the water is increased, the water impacts the guiding core 500, and the guiding core 500 is separated from the heating tube 600 in order to prevent the supporting plate 520 from being moved toward the cover 300 by the water washing of the supporting plate 520, so that the supporting plate 520 is provided with a plurality of through holes 521, the through holes 521 are used for communicating the heating cavity 210 with the tank 400, and the pressure of a part of the water flow is removed from the supporting plate 520.

Further, the flow of water passing through the support plate 520 through the through-holes 521 is blocked by the sealing surface 120 to change the flow direction, thereby providing a force to the support plate 520 in a direction toward the heat pipe 600 at the other side to prevent the aligning core 500 from being detached from the heat pipe 600.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A sealing ring for sealing a heating cavity of a heater, wherein the sealing ring comprises a supporting part and a sealing surface, the sealing surface faces the heating cavity, the supporting part is arranged on the periphery of the sealing surface, the supporting part is used for being clamped with the inner wall of the heating cavity, a plurality of first grooves are formed in the sealing surface, the first grooves are arranged at intervals around the center of the sealing surface, a second groove is formed between every two adjacent first grooves, and the opening direction of the second grooves is opposite to the opening direction of the first grooves;

the sealing ring is made of deformable materials.

2. The seal ring as claimed in claim 1, wherein a plurality of straight portions, a plurality of first curved portions and a plurality of second curved portions are provided on the sealing surface, the straight portions extending in a direction perpendicular to a radial direction of the sealing surface, the first curved portions and the second curved portions being curved in opposite directions;

the first bending part and the second bending part are respectively identical to the two ends of the straight part, the straight part is adjacent to the first bending part, the first groove is formed by the straight part, and the second groove is formed by the straight part and the second bending part.

3. The seal ring according to claim 2, wherein the distance between adjacent two of said flat portions is equal;

or the distance between two adjacent straight parts is unequal.

4. The seal ring according to claim 2, wherein the edge of the sealing surface is provided with a connecting portion, the connecting portion is connected to the supporting portion, the connecting portion and the straight portion enclose a third groove, and the opening direction of the third groove is the same as the opening direction of the first groove or the opening direction of the second groove.

5. A heater, characterized in that, the heater includes main part, lid and according to the sealing washer of any one of claims 1 to 4, main part and lid enclose and form the heating chamber, the junction of lid with the main part forms the cell body, the sealing washer is located in the cell body, the supporting part of sealing washer with the cell wall joint of cell body.

6. A heater as claimed in claim 5 wherein said channel is disposed about the direction of extension of said heating chamber and said support portion is located within said channel such that said sealing ring faces said heating chamber on one side and said lid on the other side.

7. The heater of claim 6, wherein a side of said cover facing said gasket is provided with an escape space.

8. The heater of claim 5, further comprising a centering core and a heating tube, wherein the centering core is disposed in the groove body and is disposed adjacent to a surface of the sealing ring facing the heating cavity, the heating tube is disposed in the heating cavity, and one end of the heating tube is connected to the centering core.

9. The heater according to claim 8, wherein a cavity is formed in the heating tube, the guide core comprises a plurality of protrusions and a support plate, the plurality of protrusions are arranged on one side of the support plate facing the heating tube, the plurality of protrusions extend into the cavity and are attached to the inner wall of the cavity, and a first gap is formed between every two adjacent protrusions;

the supporting plate is positioned in the groove body, and a second gap is formed between the supporting plate and one end, close to the supporting plate, of the heating tube;

the cavity is in communication with the heating cavity through the first gap and the second gap.

10. The heater of claim 9, wherein said support plate has a through hole therein, said through hole communicating with a space between said heating chamber and said support plate and said sealing ring.