CN219304042U

CN219304042U - Sealing structure and charging gun with same

Info

Publication number: CN219304042U
Application number: CN202320604135.3U
Authority: CN
Inventors: 王伟; 何英勇; 李常珞; 姜代平
Original assignee: Zhejiang Geely Holding Group Co Ltd; Weirui Electric Automobile Technology Ningbo Co Ltd; Zhejiang Zeekr Intelligent Technology Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Weirui Electric Automobile Technology Ningbo Co Ltd; Zhejiang Zeekr Intelligent Technology Co Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-04
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a sealing structure and a charging gun with the same. The sealing structure comprises: the sealing piece is provided with a plurality of sealing through holes; the first support frame is arranged on one axial side of the sealing piece, and a plurality of first support through holes which are in one-to-one correspondence with the plurality of sealing through holes are formed in the first support frame; the second support frame, the second support frame sets up the axial opposite side of sealing member, a plurality of second support through-holes of a plurality of sealed through-holes one-to-one have been seted up on the second support frame, first support frame with the second support frame is connected. According to the sealing structure, the sealing piece provided with the sealing through holes, the first supporting frame and the second supporting frame are arranged, so that the sealing piece has good sealing performance when sealing a plurality of cables, the sealing piece, the first supporting frame and the second supporting frame are detachable, and the whole structure of the sealing structure is compact.

Description

Sealing structure and charging gun with same

Technical Field

The utility model relates to the technical field of charging guns, in particular to a sealing structure and a charging gun with the sealing structure.

Background

The high-power charging generally adopts a branching type cable, namely a single large square power cable is disassembled into a plurality of small square power cables, the sealing at the cable is converted into a porous sealing by the traditional single-hole sealing, and the cable has a certain degree of freedom in assembly, so that a leakage gap can be generated. To achieve the sealing performance of the product, sealing is usually performed by using an O-ring, a gasket, an oil seal, a mechanical seal and the like. In a porous sealing scene, a plurality of sealing rings are usually required for sealing, and the sealing size occupies large space.

Disclosure of Invention

The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the utility model provides a sealing structure which has good sealing performance, is detachable and has a compact structure.

The utility model further provides a charging gun with the sealing structure.

The sealing structure according to the embodiment of the utility model comprises: the sealing piece is provided with a plurality of sealing through holes; the first support frame is arranged on one axial side of the sealing piece, and a plurality of first support through holes which are in one-to-one correspondence with the plurality of sealing through holes are formed in the first support frame; the second support frame, the second support frame sets up the axial opposite side of sealing member, a plurality of second support through-holes of a plurality of sealed through-holes one-to-one have been seted up on the second support frame, first support frame with the second support frame is connected.

According to the sealing structure provided by the embodiment of the utility model, the sealing element, the first supporting frame and the second supporting frame are arranged, so that the sealing element has good sealing performance when sealing a plurality of cables, and the sealing element, the first supporting frame and the second supporting frame are detachable, so that the whole structure of the sealing structure is compact.

According to some embodiments of the utility model, the first support shelf and the second support shelf have a hardness greater than a hardness of the seal.

According to some embodiments of the utility model, the outer peripheral wall of the sealing element is provided with a plurality of grooves, each groove surrounds along the circumferential direction of the sealing element, and the grooves are distributed along the axial direction of the sealing element.

According to some embodiments of the utility model, the sealing through-holes are located within the projection of the corresponding first support through-holes on the seal, and the sealing through-holes are also located within the projection of the corresponding second support through-holes on the seal.

According to some embodiments of the utility model, the first support comprises a first body arranged on one axial side of the seal, and a first connecting column fixed to the first body, and the second support comprises a second body arranged on the other axial side of the seal, and a second connecting column fixed to the second body, the first connecting column being adapted to be connected to the second body, and the second connecting column being adapted to be connected to the first body.

According to some embodiments of the utility model, the sealing member is provided with a first connecting through hole and a second connecting through hole, the first connecting column passes through the first connecting through hole in a sealing way and is connected with the second body, and the second connecting column passes through the second connecting through hole in a sealing way and is connected with the first body.

According to some embodiments of the utility model, the second body is provided with a second buckle, the first connecting column is provided with a first clamping groove, the second buckle is suitable for being clamped into the first clamping groove when the first connecting column is close to the second body, the first body is provided with a first buckle, the second connecting column is provided with a second clamping groove, and the first buckle is suitable for being clamped into the second clamping groove when the second connecting column is close to the first body.

According to some embodiments of the utility model, the sealing member is provided with a first positioning through hole, the first supporting frame further comprises a first positioning column, the first positioning column is fixed on the first body, and the first positioning column passes through the first positioning through hole in a sealing way and is positioned in a second positioning hole on the second body; and/or the number of the groups of groups,

the second locating through hole has been seted up on the sealing member, the second support frame still includes the second reference column, the second reference column is fixed in the second body, the second reference column is sealed to pass the second locating through hole and is located first locating hole on the first body.

According to some embodiments of the utility model, the first support frame and the second support frame are structurally identical support frames.

According to another aspect of the present utility model, a charging gun includes a housing having a mounting cavity; in the sealing structure, the peripheral wall of the sealing element is attached to the cavity wall of the mounting cavity; the number of the cables is the same as that of the sealing through holes, and each cable passes through the corresponding aligned first supporting through holes, the corresponding aligned sealing through holes and the corresponding second supporting through holes.

The charging gun has good sealing performance, compact structure and detachability.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic diagram of an assembly of a sealing structure and a cable according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a seal according to an embodiment of the utility model;

FIG. 3 is a schematic view of a second support bracket according to an embodiment of the present utility model;

FIG. 4 is a schematic illustration of the connection of a first support bracket and a second support bracket according to an embodiment of the present utility model;

fig. 5 is an exploded view of a sealing structure and a cable according to an embodiment of the present utility model.

Reference numerals:

the sealing structure 100, the sealing member 10, the sealing through hole 11, the groove 12, the protrusion 13, the first connecting through hole 14, the second connecting through hole 15, the first positioning through hole 16, the second positioning through hole 17, the first supporting frame 20, the first body 21, the first connecting column 22, the first clamping groove 23, the first clamping buckle 24, the first supporting through hole 25, the first positioning column 26, the second supporting frame 30, the second body 31, the second connecting column 32, the second clamping groove 33, the second clamping buckle 34, the second supporting through hole 35, the second positioning column 36, the second positioning hole 37 and the cable 40.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. 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.

A sealing structure 100 according to an embodiment of the present utility model is described in detail below with reference to fig. 1-5.

Referring to fig. 1 to 5, a sealing structure 100 according to an embodiment of the present utility model may include a sealing member 10, a first support frame 20, and a second support frame 30.

The sealing member 10 is provided with a plurality of sealing through holes 11, and the sealing through holes 11 can be used for the cable 40 to pass through. The first supporting frame 20 is disposed at one axial side of the sealing member 10, and a plurality of first supporting through holes 25 corresponding to the plurality of sealing through holes 11 are formed in the first supporting frame 20. The second supporting frame 30 is disposed on the other axial side of the sealing member 10, a plurality of second supporting through holes 35 corresponding to the plurality of sealing through holes 11 one by one are formed in the second supporting frame 30, and the first supporting frame 20 is connected with the second supporting frame 30.

Optionally, one cable 40 may pass through each sealing through hole 11, specifically, each cable 40 may pass through the corresponding aligned first supporting through hole 25, sealing through hole 11 and second supporting through hole 35 in sequence, where the first supporting frame 20 and the second supporting frame 30 are used to fix the sealing member 10 and are used to support the cable 40, so that the radial positions of the cable 40 before and after passing through the sealing member 10 are in a fixed state, and no gap is generated between the cable 40 and the sealing member 10 due to no support, which results in sealing failure.

According to the sealing structure 100 of the embodiment of the utility model, by arranging the sealing element 10, the first supporting frame 20 and the second supporting frame 30, the sealing performance of the sealing element 10 is good when a plurality of cables are sealed, the sealing element 10, the first supporting frame 20 and the second supporting frame 30 can be detached, and the whole structure of the sealing structure 100 is compact.

In some embodiments of the present utility model, the hardness of the first supporting frame 20 and the second supporting frame 30 is greater than that of the sealing member 10, so that the first supporting frame 20 and the second supporting frame 30 can hard support the sealing member 10 and also can hard support the cable 40, thereby ensuring a good sealing effect of the sealing member 10 and avoiding the risk of sealing failure of the cable 40 caused by extrusion of the sealing member 10 by external force.

In some embodiments of the present utility model, referring to fig. 1, a plurality of grooves 12 are provided on the outer circumferential wall of the seal member 10, each groove 12 being circumferentially surrounded by the seal member 10, the plurality of grooves 12 being distributed along the axial direction of the seal member 10. Optionally, as shown in fig. 1, 4 annular grooves 12 are provided between the outer peripheral walls of the seal member 10, the 4 annular grooves 12 are arranged along the axial direction of the seal member 10 in a dispersed manner, the grooves 12 are defined by annular protrusions 13 on both sides in the axial direction, in other words, grooves 12 are formed between adjacent annular protrusions 13, and 5 annular protrusions 13 are provided on the seal member 10. The annular protrusion 13 of the sealing member 10 cooperates with the sealing counterpart for sealing the cable 40, the first support frame 20, the second support frame 30 and the entire sealing structure 100, respectively. When the sealing structure 100 is assembled with the sealing counterpart, the groove 12 provides a deformation space for the deformation of the annular protrusion 13, so that the outer peripheral surface of the annular protrusion 13 can be tightly attached to the cavity wall of the sealing counterpart, thereby improving the sealing effect of the sealing member 10 and the sealing counterpart cavity wall.

Alternatively, the groove 12 may be entirely circumferential around the seal 10, i.e., the groove 12 is entirely circumferential, and the groove 12 may be sectionally circumferential around the seal 10, i.e., the groove 12 is an arcuate groove.

In some embodiments of the present utility model, the sealing through holes 11 are located in the projection of the corresponding first supporting through holes 25 on the sealing member 10, and the sealing through holes 11 are also located in the projection of the corresponding second supporting through holes 35 on the sealing member 10, so that the sealing through holes 11 are opposite to the first supporting through holes 25 and the second supporting through holes 35, and when the cable 40 sequentially passes through the first supporting through holes 25, the sealing through holes 11 and the second supporting through holes 35, the outer peripheral surface of the cable 40 can be completely attached to the hole wall of the sealing through holes 11 without interfering with the first supporting through holes 25 and the second supporting through holes 35, which is beneficial to improving the tightness of the matching position of the sealing structure 100 and the cable 40.

In some embodiments of the present utility model, referring to fig. 1 to 5, the first support frame 20 includes a first body 21 and a first connection post 22, the first body 21 is disposed at one axial side of the sealing member 10, and the first connection post 22 is fixed to the first body 21, alternatively, the first connection post 22 may be integrally formed with the first body 21 or the first connection post 22 may be fixed to the first body 21 by screwing, clamping or bonding, etc. The second supporting frame 30 includes a second body 31 and a second connecting post 32, the second body 31 is disposed on the other axial side of the sealing member 10, and the second connecting post 32 is fixed on the second body 31, alternatively, the second connecting post 32 may be integrally formed with the second body 31 or the second connecting post 32 and the second body 31 may be fixed by threaded connection, clamping or bonding. The first connecting post 22 is adapted to be connected to the second body 31, and the second connecting post 32 is adapted to be connected to the first body 21. The first connecting post 22 and the second connecting post 32 are used for fixing the relative positions of the first support frame 20 and the second support frame 30, and further support and fix the sealing element 10 and the cable 40.

In some embodiments of the present utility model, referring to fig. 2 and 5, the sealing member 10 is provided with a first connection through hole 14 and a second connection through hole 15, the first connection post 22 is sealed through the first connection through hole 14 and connected with the second body 31, and the second connection post 32 is sealed through the second connection through hole 15 and connected with the first body 21. Alternatively, there is no gap between the first connection post 22 and the first connection through hole 14, and between the second connection post 32 and the second connection through hole 15, preventing the liquid from penetrating into the sealing member 10, and affecting the sealing effect of the sealing member 10. Optionally, the first connecting post 22 and the second body 31 are fixed by a threaded connection, a clamping connection, or an interference fit, and the second connecting post 32 and the first body 21 are fixed by a threaded connection, a clamping connection, or an interference fit.

In some embodiments of the present utility model, referring to fig. 3-5, a second buckle 34 is provided on the second body 31, a first clamping groove 23 is provided on the first connecting post 22, the second buckle 34 is adapted to be clamped into the first clamping groove 23 when the first connecting post 22 approaches the second body 31, a first buckle 24 is provided on the first body 21, a second clamping groove 33 is provided on the second connecting post 32, and the first buckle 24 is adapted to be clamped into the second clamping groove 33 when the second connecting post 32 approaches the first body 21. When the first clamping groove 23 is clamped and fixed with the second clamping buckle 34, the second clamping groove 33 is clamped and fixed with the first clamping buckle 24, and the relative positions of the first support frame 20, the sealing piece 10 and the second support frame 30 are fixed.

In some embodiments of the present utility model, referring to fig. 1-5, the sealing member 10 is provided with a first positioning through hole 16, the first supporting frame 20 further includes a first positioning column 26, the first positioning column 26 is fixed on the first body 21, the first positioning column 26 seals a second positioning hole 37 passing through the first positioning through hole 16 and positioned on the second body 31, and the first positioning column 26 is used for defining the relative positions among the first supporting frame 20, the sealing member 10 and the second supporting frame 30, so that the overall stress of the sealing member 10 is more uniform. As shown in fig. 3 to 5, the second positioning hole 37 is a blind hole, so as to ensure the tightness of the sealing structure 100, and the first positioning column 26 and the second positioning hole 37 are connected by means of clamping, interference fit, and the like.

In some embodiments, the sealing member 10 is provided with a second positioning through hole 17, the second supporting frame 30 further includes a second positioning post 36, the second positioning post 36 is fixed on the second body 31, and the second positioning post 36 seals a first positioning hole passing through the second positioning through hole 17 and positioned on the first body 21. The second positioning post 36 is used to define the relative positions among the first support frame 20, the sealing member 10 and the second support frame 30, so that the overall stress of the sealing member 10 is more uniform. The first positioning hole is a blind hole, so that the tightness of the sealing structure 100 is ensured, and the second positioning column 36 is connected with the first positioning hole in a clamping, interference fit mode and the like.

In some embodiments, as shown in fig. 3-5, the sealing member 10 is provided with a first positioning through hole 16 and a second positioning through hole 17 at the same time, and optionally, the first positioning through hole 16 and the second positioning through hole 17 are respectively positioned at two ends of the diameter of the sealing member 10, so as to help balance the stress of the sealing member 10. The first positioning column 26 is fixed on the first body 21, the first positioning column 26 passes through the first positioning through hole 16 in a sealing manner and is positioned on the second positioning hole 37 on the second body 31, the second positioning column 36 is fixed on the second body 31, and the second positioning column 36 passes through the second positioning through hole 17 in a sealing manner and is positioned on the first positioning hole on the first body 21.

In some embodiments of the present utility model, referring to fig. 4 and 5, the first support frame 20 and the second support frame 30 are support frames having the same structure. The first support frame 20 and the second support frame 30 can be produced by only one set of die, so that the materials are few and the cost is low.

A charging gun according to another embodiment of the present utility model includes a housing, the sealing structure 100 described above, and a plurality of cables 40. Wherein the housing, i.e. the sealing counterpart mentioned above, has a mounting cavity in which the sealing structure 100 is located; the outer peripheral wall of the sealing member 10 is fitted to the cavity wall of the installation cavity, the number of the cables 40 is the same as the number of the sealing through holes 11, and each cable 40 passes through the corresponding aligned first support through holes 25, sealing through holes 11 and second support through holes 35. The charging gun has good sealing performance, compact structure and detachability. The sealing structure 100 separates the installation cavity from a sealing cavity, and cooling liquid, cooling gas and other cooling media can be arranged in the sealing cavity, and the cooling media wrap the cable 40 to cool the cable 40.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A sealing structure, characterized by comprising:

the sealing piece (10), a plurality of sealing through holes (11) are formed in the sealing piece (10);

the first support frame (20), the first support frame (20) is arranged on one axial side of the sealing piece (10), and a plurality of first support through holes (25) which are in one-to-one correspondence with the plurality of sealing through holes (11) are formed in the first support frame (20);

the second support frame (30), second support frame (30) set up the axial opposite side of sealing member (10), set up a plurality of second support through-holes (35) with sealed through-hole (11) one-to-one on second support frame (30), first support frame (20) with second support frame (30) are connected.

2. The sealing structure according to claim 1, characterized in that the hardness of the first support frame (20) and the second support frame (30) is greater than the hardness of the seal (10).

3. The sealing structure according to claim 1, wherein a plurality of grooves (12) are provided in an outer peripheral wall of the sealing member (10), each groove (12) is circumferentially surrounded by the sealing member (10), and the plurality of grooves (12) are distributed along an axial direction of the sealing member (10).

4. The sealing structure according to claim 1, characterized in that the sealing through hole (11) is located in the projection of the corresponding first supporting through hole (25) on the sealing member (10), the sealing through hole (11) being also located in the projection of the corresponding second supporting through hole (35) on the sealing member (10).

5. The sealing structure according to any one of claims 1-4, wherein the first support frame (20) comprises a first body (21) and a first connecting column (22), the first body (21) is arranged at one axial side of the sealing member (10), the first connecting column (22) is fixed at the first body (21), the second support frame (30) comprises a second body (31) and a second connecting column (32), the second body (31) is arranged at the other axial side of the sealing member (10), the second connecting column (32) is fixed at the second body (31), the first connecting column (22) is suitable for being connected with the second body (31), and the second connecting column (32) is suitable for being connected with the first body (21).

6. The sealing structure according to claim 5, wherein the sealing member (10) is provided with a first connecting hole (14) and a second connecting hole (15), the first connecting column (22) passes through the first connecting hole (14) in a sealing manner and is connected with the second body (31), and the second connecting column (32) passes through the second connecting hole (15) in a sealing manner and is connected with the first body (21).

7. The sealing structure according to claim 5, wherein a second buckle (34) is provided on the second body (31), a first clamping groove (23) is provided on the first connecting column (22), the second buckle (34) is suitable for being clamped into the first clamping groove (23) when the first connecting column (22) is close to the second body (31), a first buckle (24) is provided on the first body (21), a second clamping groove (33) is provided on the second connecting column (32), and the first buckle (24) is suitable for being clamped into the second clamping groove (33) when the second connecting column (32) is close to the first body (21).

8. The sealing structure according to claim 5, wherein the sealing member (10) is provided with a first positioning through hole (16), the first supporting frame (20) further comprises a first positioning column (26), the first positioning column (26) is fixed on the first body (21), and the first positioning column (26) passes through the first positioning through hole (16) in a sealing manner and is positioned on a second positioning hole (37) on the second body (31); and/or the number of the groups of groups,

the sealing piece (10) is provided with a second positioning through hole (17), the second supporting frame (30) further comprises a second positioning column (36), the second positioning column (36) is fixed on the second body (31), and the second positioning column (36) passes through the second positioning through hole (17) in a sealing mode and is positioned on the first positioning hole (27) on the first body (21).

9. The sealing structure according to claim 1, wherein the first support frame (20) and the second support frame (30) are structurally identical support frames.

10. A charging gun, comprising:

a housing having a mounting cavity;

the sealing structure of any one of claims 1-9, the peripheral wall of the seal (10) being in abutment with the cavity wall of the mounting cavity;

-a plurality of cables (40), the number of cables (40) being the same as the number of sealing through holes (11), each cable (40) passing through a corresponding pair of aligned first support through holes (25), sealing through holes (11) and second support through holes (35).