CN219919194U - Heater - Google Patents

Abstract

The utility model provides a heater, which comprises a shell, a heating assembly and an elastic piece; the housing comprises a first wall provided with an aperture; the heating component is provided with a through hole, and the through hole is communicated with the inner cavity of the heating component and the orifice; the elastic piece is positioned between the end face of the heating component in the length direction and the first wall, and two sides of the elastic piece are respectively and elastically propped against the end part of the heating component and the first wall. The heater adopts an end face sealing structure, so that the compactness of the whole structure of the heater is improved, and the tightness is ensured.

Description

Heater

Technical Field

The utility model relates to the field of heat exchange, in particular to a heater.

Background

In new energy automobile technical field, the heater is mainly used for heating or heat preservation to working medium, realizes functions such as defrosting, low temperature start and heating. In the related art, the sealing structure of the heater is unreasonable, so that the overall structure of the heater is not compact enough, and the overall size of the heater is larger.

Disclosure of Invention

The utility model provides a heater, which adopts an end face sealing structure, improves the compactness of the whole structure of the heater and ensures the tightness.

The present utility model provides a heater comprising:

a housing comprising a first wall provided with an aperture;

the heating assembly is provided with a through hole, and the through hole is communicated with the inner cavity of the heating assembly and the orifice;

the elastic piece is positioned between the end face of the heating assembly in the length direction and the first wall, and two sides of the elastic piece are respectively elastically propped against the end part of the heating assembly and the first wall.

The technical scheme is as follows: the elastic piece is positioned between the end face of the heating component in the length direction and the first wall, and two sides of the elastic piece are respectively and elastically propped against the end part of the heating component and the first wall, namely, when the heating component and the first wall are assembled, the elastic piece can be extruded to elastically deform, so that end face sealing is formed between the heating component and the first wall, the compactness of the overall structure of the heater is improved, and the sealing effect is reliable.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

FIG. 1 is a schematic diagram of a heater according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a housing according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a heater according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a schematic view of a heater according to an embodiment of the present utility model without a housing;

fig. 6 is a schematic diagram of the explosive structure of fig. 5.

Reference numerals:

1-a housing;

11-a first wall;

111-second protrusions;

1111-first stage;

1112-a second section;

12-orifice;

13-a first limit part;

14-linker;

2-a heating assembly;

21-heating the pipe;

22-end caps;

221-a through hole;

222-a first groove portion;

223-a first bump;

224-a second slot portion;

4-elastic members;

5-a turbulence bar;

51-end;

6-collector;

61-a second limiting part;

62-mounting holes;

6 a-a first part;

6 b-a second component.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly specified or limited otherwise; the term "plurality" means two or more, unless specified or indicated otherwise; the terms "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, it should be understood that the terms "upper", "lower", and the like used in the embodiments of the present utility model are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present utility model. In the context of this document, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on the other element or be indirectly on the other element through intervening elements.

As shown in fig. 1 to 4, an embodiment of the present utility model provides a heater including a housing 1, a heating assembly 2, and an elastic member 4. The housing 1 comprises a first wall 11, the first wall 11 being provided with an aperture 12; the heating component 2 is provided with a through hole 221, and the through hole 221 is communicated with the inner cavity of the heating component 2 and the orifice 12; the elastic piece 4 is located between the end face of the heating component 2 in the length direction and the first wall 11, two sides of the elastic piece 4 are respectively and elastically propped against the end part of the heating component 2 and the first wall 11, that is, the elastic piece 4 is elastically deformed by the extrusion of the heating component 2 and the first wall 11, so that end face seal is formed between the heating component 2 and the first wall 11, the sealing effect is reliable, and the compactness of the overall structure of the heater is improved.

Wherein the housing 1 has an inner cavity, the heating element 2 is mounted in the inner cavity of the housing 1, and the orifice 12 provided in the first wall 11 is a medium inlet or a medium outlet, that is, the working medium enters the inner cavity of the heating element 2 through the orifice 12 for heating, or the working medium in the inner cavity of the heating element 2 flows out of the heating element 2 through the orifice 12.

Specifically, the first wall 11 may be a wall surface in the inner cavity of the housing 1, or may be one of wall surfaces surrounding the inner cavity of the housing 1. The number of the heating assemblies 2 is a plurality (comprising two or more), and the heating assemblies 2 are arranged in parallel; when the number of heating elements 2 is more than two, the first wall 11 is a wall surface located in the inner cavity of the housing 1; when the number of heating elements 2 is two, the first wall 11 is one of the walls surrounding the inner cavity of the housing 1. The present embodiment will be described in detail taking the first wall 11 as one of the wall surfaces surrounding the inner cavity of the housing 1 as an example.

The side of the first wall 11 facing away from the heating assembly 2 may be provided with a fitting 14, the lumen of the fitting 14 communicating with the orifice 12 to facilitate connection of the heater to an external conduit. The first wall 11 is provided with two openings 12, which openings 12 serve as medium inlet and medium outlet, respectively, each opening 12 corresponding to one heating element 2, the inner cavities of the two heating elements 2 being in communication with each other at the end remote from the first wall 11. The external working medium enters the inner cavity of one heating component 2 through one orifice 12 to heat, then flows into the inner cavity of the other heating component 2 to heat again, and then flows out of the inner cavity of the heating component 2 from the other orifice 12 to prolong the heating time and improve the heating effect.

Alternatively, the heater comprises a current collector 6, the current collector 6 being disposed at an end of the heating element 2 remote from the first wall 11, the internal cavity of each heating element 2 being in communication with the internal cavity of the current collector 6, such that each heating element 2 is in communication with each other at an end remote from the first wall 11.

Wherein the current collector 6 may comprise a first part 6a and a second part 6b which are matched with each other, for example, the first part 6a may be provided as a shell-like structure with an opening at one side, the second part 6b may be provided as a plate-like structure, the second part 6b closes the opening of the first part 6a, and the first part 6a is in sealing connection with the second part 6b, so that an inner cavity of the current collector is formed between the first part 6a and the second part 6b.

Further, the heating assembly 2 is connected with the current collector 6 in a sealing manner, for example, the heating assembly 2 and the current collector 6 can be sealed by welding or the like, so as to avoid leakage of the working medium between the heating assembly 2 and the current collector 6. Specifically, the side of the current collector 6 facing the heating assembly 2 may be provided with a mounting hole 62, the mounting hole 62 communicates with the inner cavity of the current collector 6, and a portion of the heating assembly 2 extends into the mounting hole 62 and forms a sealing fit with a side wall located at the peripheral side of the mounting hole 62, so that the inner cavity of the heating assembly 2 and the inner cavity of the current collector 6 communicate with each other.

The current collector 6 is located the inner chamber of casing 1, and current collector 6 fixed connection is in the inner wall of casing 1, realizes the relative fixation between heating element 2 and the casing 1 to make heating element 2 and first wall 11 can fully extrude elastic component 4, form comparatively reliable end face seal.

Specifically, a first limiting part 13 may be disposed in the inner cavity of the casing 1, where the first limiting part 13 is convexly disposed on the inner wall of the casing 1, and one end of the first limiting part 13 away from the inner wall of the casing 1 abuts against the outer surface of the current collector 6, so as to form a circumferential limit on the current collector 6. In one embodiment, the number of the first limiting parts 13 is one, the first limiting parts 13 may be configured as a continuous protrusion structure extending along the circumferential direction of the current collector 6, and the first limiting parts 13 prop against the outer surface of the current collector 6, so that uniform and continuous limiting is formed on the current collector 6, and positioning accuracy of the current collector 6 is improved. In another embodiment, the number of the first limiting portions 13 is multiple (including two or more), each first limiting portion 13 surrounds the current collecting member 6, and each first limiting portion 13 abuts against the outer surface of the current collecting member 6, so as to reduce the space occupied by the first limiting portion 13 and improve the effective utilization rate of the inner cavity of the housing 1.

Further, the current collector 6 may be provided with a second limiting portion 61, where the second limiting portion 61 extends outwards from the edge of the current collector 6, and the second limiting portion 61 may be located on one side of the first limiting portion 13 close to the first wall 11, or may be located on one side of the first limiting portion 13 far from the first wall 11, where the second limiting portion 61 abuts against the first limiting portion 13, so as to axially locate the current collector 6; the second limiting portion 61 and the first limiting portion 13 may be connected by means of a threaded fastener or the like, so as to fix the current collector 6 in the inner cavity of the housing 1, and enable the current collector 6 to achieve a relative seal. Optionally, the second limiting portion 61 is located on the first part 6a and/or the second part 6b.

Further, the heating assembly 2 includes a heating tube 21 and an end cover 22, the end cover 22 is located at one end of the heating tube 21 near the first wall 11, the end cover 22 is in sealing connection with the heating tube 21, the through hole 221 is formed in the end cover 22 and penetrates through the end cover 22 along the thickness direction of the end cover 22, that is, the heating assembly 2 is set into a split structure, the heating tube 21 and the end cover 22 are separately processed and manufactured, and then are in sealing connection, so that the heating assembly 2 is formed, the processing quality of each part is guaranteed, and the overall quality of the heating assembly 2 is improved. It will be appreciated that the heating assembly 2 may also be provided as a unitary structure.

Further, the end cover 22 includes a first groove 222, the first groove 222 is located on a side of the end cover 22 facing the first wall 11, a notch of the first groove 222 faces the first wall 11, the elastic member 4 is at least partially located in a groove cavity of the first groove 222, the elastic member 4 is accommodated and positioned through the first groove 222, the elastic member 4 is prevented from moving along a radial direction of the end cover 22, and reliability of sealing connection is improved.

Further, the end cover 22 abuts against the end face of the heating tube 21, so that the heating tube 21 forms axial limit to the end cover 22, relative movement of the end cover 22 and the heating tube 21 along the axial direction is prevented, the compression effect of the end cover 22 on the elastic piece 4 is affected, and the reliability of sealing fit is affected.

Further, the edges of the end cap 22 are aligned with the outer edges of the heating tube 21, that is, the radial dimension of the end cap 22 is the same as the outer diameter dimension of the heating tube 21, thereby providing a continuously flat outer profile to the heating assembly 2. It will be appreciated that in other embodiments, the edge of the end cap 22 may extend beyond the outer edge of the heating tube 21, that is, the radial dimension of the end cap 22 is greater than the outer diameter dimension of the heating tube 21; in other embodiments, the edge of the end cap 22 may be located inside the outer edge of the heating tube 21, that is, the radial dimension of the end cap 22 is smaller than the outer diameter dimension of the heating tube 21.

Further, the end cap 22 includes a first protrusion 223 protruding outwards, the first protrusion 223 is located on a side of the end cap 22 away from the first wall 11 (i.e. a side facing the heating tube 21), the first protrusion 223 is partially located in an inner cavity of the heating tube 21, and an outer surface of the first protrusion 223 is attached to an inner surface of the heating tube 21, so that a limit is formed between the end cap 22 and the heating tube 21 to prevent the end cap 22 from moving relatively to the heating tube 21 in a radial direction.

Further, the first protrusion 223 has a continuous annular structure, which increases the structural strength of the first protrusion 223, and also enables the outer surface of the first protrusion 223 to form a continuous mating area with the inner surface of the heating tube 21, thereby further increasing the reliability of connection. It is understood that the through hole 221 is a hollow region of an annular structure, that is, the inner surface of the first protrusion 223 forms a sidewall surrounding the through hole 221, and the radial dimension of the first protrusion 223 is increased as much as possible, thereby increasing the strength of the first protrusion 223.

As shown in fig. 2 to 4, the first wall 11 includes a second protrusion 111 protruding outwards, the second protrusion 111 is located at one side of the first wall 11 facing the heating pipe 21, the second protrusion 111 is in a ring structure, the second protrusion 111 surrounds the end of the heating component 2, and the inner side of the ring structure of the second protrusion 111 is attached to the outer surface of the heating component 2, and radial support and limitation are formed on the heating component 2 through the second protrusion 111, so that the heating component 2 is prevented from moving or shaking radially along the second protrusion, and the compression effect of the heating component 2 on the elastic piece 4 is affected.

In some embodiments, the end cover 22 is at least partially located inside the annular structure of the second protrusion 111, and the inner surface of the second protrusion 111 is attached to the outer surface of the end cover 22, so that radial support and limitation are directly formed on the end cover 22 through the second protrusion 111, and the end cover 22 is prevented from moving or shaking radially along the second protrusion, so that the compression effect of the end cover 22 on the elastic member 4 is affected.

In other embodiments, the heating tube 21 is partially located inside the annular structure of the second protrusion 111, the inner surface of the second protrusion 111 is attached to the outer surface of the heating tube 21, and radial support and limitation are formed on the heating tube 21 through the second protrusion 111, so that the heating tube 21 is prevented from moving or shaking radially under the action of the working medium, and the reliability of the connection between the end cover 22 and the heating tube 21 is affected.

In still other embodiments, the second protrusion 111 includes a first section 1111 and a second section 1112, the first section 1111 and the second section 1112 being aligned along an axial direction of the heating tube 21. The inner diameter of the first section 1111 and the inner diameter of the second section 1112 may be the same or different depending on the radial dimension of the end cap 22 and the outer diameter dimension of the heating tube 21. The first section 1111 is connected to the first wall 11, and the inner surface of the first section 1111 engages the outer surface of the end cap 22, such that the first section 1111 provides radial support and restraint to the end cap 22; the second section 1112 is connected to an end of the first section 1111 remote from the first wall 11, and an inner surface of the second section 1112 is fitted to an outer surface of the heating tube 21, such that the second section 1112 provides radial support and limitation to the heating tube 21; by the interaction of the first section 1111 and the second section 1112, the sealing stability and the connection reliability of the heating assembly 2 are ensured.

With continued reference to fig. 2 to 4, in the present embodiment, the side of the end cover 22 facing the first wall 11 abuts against the first wall 11, so that a rigid fit is formed between the end cover 22 and the first wall 11, so as to avoid the heating component 2 from moving axially, the elastic member 4 is completely accommodated in the first groove 222, and the elastic member 4 maintains stable compression deformation, thereby ensuring the reliability of the sealing fit.

In some other embodiments, a gap is left between the side of the end cover 22 facing the first wall 11 and the first wall 11, so that the elastic member 4 can be fully extruded and deformed, and the sealing failure caused by insufficient extrusion of the elastic member 4 is avoided.

Further, the elastic member 4 is an O-ring, and the elastic member 4 is disposed around the orifice 12, thereby forming a sealing area around the orifice 12, preventing the working medium from leaking around the orifice 12.

Referring to fig. 3 to 6, the heater provided by the embodiment of the utility model further includes a turbulence member 5, wherein the turbulence member 5 is at least partially located in the inner cavity of the heating assembly 2 and is connected to the heating assembly 2, and the turbulence member 5 is used for turbulence the working medium, so that the working medium is heated more uniformly.

Further, the heating assembly 2 comprises a second groove 224, the second groove 224 is located on one side of the heating assembly 2 facing the first wall 11, the notch of the second groove 224 faces the first wall 11, the through hole 221 penetrates through part of the groove bottom of the second groove 224, the spoiler 5 is in snap fit with the groove wall of the second groove 224, and the heating assembly is simple in structure, and convenient and labor-saving to install and detach.

Further, along the length direction of the heating assembly 2, the spoiler 5 has a portion located between the bottoms of the first wall 11 and the second groove 224, and two sides of the portion respectively prop against the bottoms of the first wall 11 and the second groove 224, so that the first wall 11 and the second groove respectively block against two sides of the spoiler 5, thereby forming an axial limit on the spoiler 5, preventing the spoiler 5 and the heating assembly 2 from relatively moving, generating larger noise, or generating mechanical damages such as abrasion, collision, and the like.

Specifically, the spoiler 5 includes an end portion 51, and the end portion 51 is engaged with the second groove portion 224. The radial dimension of the end 51 is greater than the inner diameter of the through hole 221, so that the end 51 can stop at the bottom of the second groove 224, and the axial limit is formed on the end 51 through the bottom of the second groove 224, thereby preventing the spoiler 5 from moving relative to the heating assembly 2, generating large noise or generating mechanical damage such as abrasion, collision and the like.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A heater, the heater comprising:

-a housing (1), the housing (1) comprising a first wall (11), the first wall (11) being provided with an aperture (12);

-a heating assembly (2), the heating assembly (2) having a through hole (221), the through hole (221) communicating an inner cavity of the heating assembly with the aperture (12);

the elastic piece (4) is positioned between the end face of the heating assembly (2) in the length direction and the first wall (11), and two sides of the elastic piece (4) are respectively elastically propped against the end part of the heating assembly (2) and the first wall (11).

2. The heater according to claim 1, characterized in that the heating assembly comprises a heating tube (21) and an end cap (22), the end cap (22) being located at an end of the heating tube (21) near the first wall (11), the end cap (22) being in sealing connection with the heating tube (21);

the end cover (22) comprises a first groove part (222), the first groove part (222) is positioned on one side of the end cover (22) facing the first wall (11), and the elastic piece (4) is positioned at least partially in a groove cavity of the first groove part (222).

3. The heater according to claim 2, wherein the end cap (22) comprises a first protrusion (223) protruding outwards, the first protrusion (223) being located on a side of the end cap (22) facing away from the first wall (11), the first protrusion (223) being located partly in the inner cavity of the heating tube (21), an outer surface of the first protrusion (223) being in abutment with an inner surface of the heating tube (21).

4. A heater according to claim 3, wherein the first protrusion (223) is a continuous annular structure and the through hole (221) is a hollow region of the annular structure.

5. The heater according to claim 2, characterized in that the first wall (11) comprises a second protrusion (111) protruding outwards, the second protrusion (111) being located on the side of the first wall (11) facing the heating tube (21), the second protrusion (111) being of annular configuration;

the end cover (22) is at least partially positioned on the inner side of the annular structure of the second bulge (111), and the inner surface of the second bulge (111) is attached to the outer surface of the end cover (22); or alternatively, the first and second heat exchangers may be,

the heating pipe (21) is partially positioned on the inner side of the annular structure of the second bulge (111), and the inner surface of the second bulge (111) is attached to the outer surface of the heating pipe (21).

6. The heater of claim 5, wherein the second protrusion (111) comprises a first section (1111) and a second section (1112);

the first section (1111) is connected with the first wall (11), and the inner surface of the first section (1111) is attached to the outer surface of the end cover (22);

the second section (1112) is connected to one end of the first section (1111) far away from the first wall (11), and the inner surface of the second section (1112) is attached to the outer surface of the heating pipe (21).

7. A heater according to claim 2, characterized in that the end cap (22) abuts the first wall (11) on the side facing the first wall (11).

8. A heater according to claim 1, wherein the resilient member (4) is an O-ring, the resilient member (4) being arranged around the aperture (12).

9. The heater according to any one of claims 1-8, characterized in that the heater comprises a spoiler (5), the spoiler (5) being at least partially located in an inner cavity of the heating assembly (2);

the heating assembly (2) comprises a second groove part (224), the second groove part (224) is positioned on one side, facing the first wall (11), of the heating assembly (2), the notch of the second groove part (224) faces the first wall (11), the through hole (221) penetrates through part of the groove bottom of the second groove part (224), and the spoiler (5) is in snap fit with the groove wall of the second groove part (224).

10. The heater according to claim 9, wherein the spoiler (5) is located partly between the first wall (11) and the bottom of the second groove (224) along the length of the heating assembly (2).