Connector sealing structure and electrical equipment

Abstract

The connector sealing structure comprises a sleeve and a shell covering and wrapping the sleeve, the sleeve surrounds the connector, the inner end of the sleeve is connected with the end face of an electrical equipment box body, the outer end of the sleeve is open and provided with an opening, the shell comprises a cover plate and a side plate surrounding the cover plate, and the cover plate covers the opening of the outer end of the sleeve. The side plate surrounds and wraps the periphery of the sleeve, an inner notch is formed in the edge of the outer end of the sleeve, an outer notch is formed in the corresponding position of the side plate, and the inner notch and the outer notch form a wire passing hole for a wire harness to penetrate through. The box body structure is formed by the sleeve and the shell which are buckled, the connector is sealed and wrapped in the box body structure, and an additional sealing structure is arranged, so that the sealing effect is improved, and the material cost and the product after-sale maintenance cost are greatly reduced while the sealing requirement is met for a battery pack with the protection grade of IP65 or above. The utility model also discloses electrical equipment comprising the connector sealing structure.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a connector sealing structure. In addition, the utility model also relates to an electrical device including the above connector sealing structure. Background Art

[0002] In a variety of electrical devices, connectors are required to transmit signals or electric energy. In communication and energy storage batteries, the required protection level needs to be met. For battery packs with an IP2X protection level requirement, through-wall fence type connectors are used. For battery packs with an IP65 protection level or above, plug-and-play connectors are used.

[0003] If products with an IP2X protection level requirement are adopted, the through-wall fence type connector includes an injection molded body and a copper bar installed on the injection molded body, and there is a gap between the two. Therefore, the through-wall fence type connector itself cannot meet the sealing requirements. Or for battery packs with an IP65 protection level or above, plug-and-play connectors are used, resulting in a relatively high material cost and difficulty in standardizing market procurement models.

[0004] Therefore, how to provide a connector sealing structure with a sealing effect is a technical problem that those skilled in the art need to solve currently. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a connector sealing structure. A box body structure is formed by a buckled sleeve and a housing, and the connector is hermetically wrapped in the box body structure. Another sealing structure is provided to improve the sealing effect. Another purpose of the utility model is to provide an electrical device including the above connector sealing structure.

[0006] To solve the above technical problems, the utility model provides a connector sealing structure, which includes a sleeve and a housing covering and wrapping the sleeve. The sleeve surrounds the connector, and the inner end of the sleeve is connected to the end face of the electrical device box body. The outer end of the sleeve is open with an opening. The housing includes a cover plate and side plates surrounding the cover plate. The cover plate covers the outer end opening of the sleeve, and the side plates surround and wrap the outer periphery of the sleeve. An inner notch is provided at the outer end edge of the sleeve, and an outer notch is provided at the corresponding position of the side plate. The inner notch and the outer notch form a wire passing hole for a wire harness to pass through.

[0007] Preferably, a sealing gasket is provided at the edge of the outer end opening of the sleeve, and a sealing ring is provided on the inner side surface of the cover plate. The sealing ring presses the sealing gasket.

[0008] Preferably, an inner semi-circular groove is provided in the gasket corresponding to the position of the inner notch, an outer semi-circular groove is provided in the sealing ring corresponding to the position of the outer notch, and the inner semi-circular groove and the outer semi-circular groove form a circular hole for wrapping the wire harness.

[0009] Preferably, it further includes a sealing plug detachably installed in the wire passing hole.

[0010] Preferably, a baffle is detachably installed at the outer notch.

[0011] Preferably, a rib position card slot is provided on the inner side surface of the cover plate, the sealing ring is installed in the rib position card slot, and the lowest point of the rib position card slot is higher than the lowest point of the outer notch.

[0012] Preferably, the sealing ring is fixed by back glue, installed with interference limit or integrally installed by die injection molding in the rib position card slot, and the gasket is pasted on the outer edge of the opening of the sleeve.

[0013] Preferably, it includes two sleeves and two outer casings arranged side by side. The cross-sections of the sleeves and the outer casings are rounded rectangles. Two inner notches are arranged side by side on one side edge of each sleeve, and two outer notches are arranged side by side at the corresponding positions of the outer casings.

[0014] Preferably, ear plates for bolt connection are provided at the inner ends of the side plates.

[0015] The present utility model provides an electrical device, including the connector sealing structure as described in any one of the above.

[0016] The present utility model provides a connector sealing structure, including a sleeve and an outer casing covering and wrapping the sleeve. The sleeve surrounds the connector, and the inner end of the sleeve is connected to the end face of the electrical equipment box body. The outer end of the sleeve is open with an opening. The outer casing includes a cover plate and side plates surrounding the cover plate. The cover plate covers the outer end opening of the sleeve, and the side plates surround and wrap the outer periphery of the sleeve. An inner notch is provided at the outer end edge of the sleeve, and an outer notch is provided at the corresponding position of the side plate. The inner notch and the outer notch form a wire passing hole for the wire harness to pass through.

[0017] By forming a box body structure with the buckled sleeve and outer casing, the connector is hermetically wrapped in the box body structure, and another sealing structure is set. For products with IP2X protection level requirements, the protection level requirements of IPXXB are met, which conforms to the safety regulations standard, thereby improving the sealing effect. For battery packs with protection levels above IP65, while meeting the sealing requirements, the material cost and the after-sales maintenance cost of the product are greatly reduced.

[0018] The present utility model further provides an electrical device including the above connector sealing structure. Since the above connector sealing structure has the above technical effects, the above electrical device should also have the same technical effects, and will not be described in detail herein. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is an exploded schematic view of a specific embodiment of the connector sealing structure provided by the present utility model;

[0020] Figure 2 is a schematic view of the installation of the sealing plug of a specific embodiment of the connector sealing structure provided by the present utility model;

[0021] Figure 3 is a schematic view of the installation of the wire harness of a specific embodiment of the connector sealing structure provided by the present utility model;

[0022] Figure 4 is a schematic view of the operation of a specific embodiment of the connector sealing structure provided by the present utility model;

[0023] Figure 5 is a schematic view of the structure of the outer shell in a specific embodiment of the connector sealing structure provided by the present utility model.

[0024] Wherein, the sleeve 1, the outer shell 2, the cover plate 21, the side plate 22, the baffle 23, the rib position card slot 24, the ear plate 25, the sealing ring 3, the gasket 4, the sealing plug 5, the box body 6, the connector 7, the wire harness 8. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The core of the present utility model is to provide a connector sealing structure, which forms a box structure through the buckled sleeve and outer shell, seals and wraps the connector in the box structure, and sets an additional sealing structure, thereby improving the sealing effect. Another core of the present utility model is to provide an electrical device including the above connector sealing structure.

[0026] In order to enable those skilled in the art to better understand the solution of the present utility model, the present utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0027] Please refer to Figures 1 to 5 , Figure 1 is an exploded schematic view of a specific embodiment of the connector sealing structure provided by the present utility model; Figure 2 is a schematic view of the installation of the sealing plug of a specific embodiment of the connector sealing structure provided by the present utility model; Figure 3 is a schematic view of the installation of the wire harness of a specific embodiment of the connector sealing structure provided by the present utility model; Figure 4Schematic diagram of the working of a specific embodiment of the connector sealing structure provided by the present utility model; Figure 5 Schematic diagram of the structure of the housing in a specific embodiment of the connector sealing structure provided by the present utility model.

[0028] The specific embodiment of the present utility model provides a connector sealing structure, which includes a sleeve 1 and a housing 2. One end of each component close to the box body 6 is the inner end, and the end far from the box body 6 is the outer end. Among them, the inner end of the sleeve 1 is fixedly connected to the panel end face of the box body 6, which is equivalent to setting a fence structure protruding from the panel end face at the connector 7 on the end face of the box body 6. And the sleeve 1 is hermetically connected to the panel of the box body 6, and a protruding sleeve structure is provided on the panel, so that the sleeve 1 surrounds the connector 7, and the outer end of the sleeve 1 is open with an opening, enabling the wire harness 8 to be connected to the connector 7. Among them, the sleeve 1 is a box body with an open outer end. Correspondingly, the housing 2 covers the outer periphery of the sleeve 1. The housing 2 includes a cover plate 21 and a side plate 22 surrounding the cover plate 21, that is, the housing 2 forms a housing with a closed outer end and an open inner end through the cover plate 21 and the side plate 22. The sleeve 1 and the housing 2 are shape-matched, and after being buckled together, they form a sealed box body structure. The cover plate 21 covers the open outer end of the sleeve 1, and the side plate 22 surrounds and wraps the outer periphery of the sleeve 1. The connector 7 is located inside a box body structure.

[0029] Furthermore, an inner notch is provided at the outer end edge of the sleeve 1, and an outer notch is provided at the corresponding position of the side plate 22. After the housing 2 is buckled on the sleeve 1, the corresponding inner notch and outer notch are combined to form a wire passing hole for the wire harness 8 to pass through.

[0030] By forming a box body structure with the buckled sleeve 1 and housing 2, the connector 7 is hermetically wrapped inside the box body structure, and another sealing structure is set. For products with an IP2X protection level requirement, the protection level requirement of IPXXB is met, which complies with the safety regulations standard, thereby improving the sealing effect. For battery packs with an IP65 protection level or above, while meeting the sealing requirements, the material cost and the product after-sales maintenance cost are greatly reduced.

[0031] In order to improve the sealing effect, a sealing gasket 4 is provided at the edge of the open outer end of the sleeve 1, and a sealing ring 3 is provided on the inner side surface of the cover plate 21. The sealing ring 3 and the sealing gasket 4 are shape-corresponding. After the housing 2 is buckled on the sleeve 1, the sealing ring 3 presses the sealing gasket 4 to ensure the sealing level.

[0032] Specifically, the inner notch is a semi-circular groove, the outer end of the outer notch is a closed semi-circle, and the inner end of the outer notch is an open rectangle. Therefore, the outer notch is an arch structure. Further, the shapes of the sealing ring 3 and the gasket 4 respectively match the outer notch and the inner notch. The gasket 4 is provided with an inner semi-circular groove corresponding to the position of the inner notch, and the sealing ring 3 is provided with an outer semi-circular groove corresponding to the position of the outer notch. After the inner semi-circular groove and the outer semi-circular groove are combined, a round hole is formed. The wire harness 8 passing through the wire passing hole means passing through the round hole. At the same time, the size of the round hole is adjusted so that the round hole wraps the wire harness 8 to ensure the sealing effect. The shapes of the respective structures can also be adjusted according to the situation, all within the protection scope of the present utility model.

[0033] A sealing plug 5 corresponding to the wire passing hole can also be provided. When the wire harness 8 does not pass through the wire passing hole, the sealing plug 5 is installed in the corresponding wire passing hole to prevent the wire passing hole from damaging the sealing effect. Further, a baffle 23 can be detachably installed at the outer notch. When the wire harness 8 does not pass through the wire passing hole and the sealing plug 5 is installed in the wire passing hole, the baffle 23 is installed at the corresponding position of the outer notch to block the wire passing hole. When the wire harness 8 needs to be installed, the baffle 23 is removed, the sealing plug 5 is taken away, and the wire harness 8 is passed through the round hole formed by the sealing ring 3 and the gasket 4, that is, the corresponding wire passing hole, to meet the sealing requirements. Specifically, a groove can be provided at the edge of the outer notch, and the edge of the baffle 23 is embedded in the groove during installation, or other connection methods can also be used.

[0034] In order to install the sealing ring 3, a rib position card slot 24 is provided on the inner side surface of the cover plate 21. The sealing ring 3 is installed in the rib position card slot 24, and the position of the lowest point of the rib position card slot 24 is higher than the position of the lowest point of the outer notch, so that the sealing ring 3 can contact the wire harness 8 prior to the edge of the outer notch after installation.

[0035] The sealing ring 3 is installed in the rib position card slot 24 by back glue fixation, interference limit or integral injection molding of a mold. The gasket 4 is pasted on the outer edge of the opening of the sleeve 1. The connection method can be selected according to the situation, all within the protection scope of the present utility model.

[0036] In the connector sealing structure provided by the specific embodiment of the present utility model, the number of the sleeves 1 can be adjusted according to the number of the connectors 7. If two groups of connectors 7 are provided, two sleeves 1 and two outer shells 2 are arranged in parallel on the panel of the box body 6, and the two sleeves 1 are close to each other. And two inner notches are arranged in parallel on one side of each sleeve 1, and two outer notches are arranged in parallel at the corresponding positions of the outer shell 2.

[0037] Further, the cross-sections of the sleeve 1 and the outer shell 2 are rounded rectangles. Of course, the shapes, numbers and layout modes of the respective components can also be adjusted according to the situation.

[0038] Based on the connector sealing structure provided in the above specific embodiments, an ear plate 25 for bolt connection is provided at the inner end of the side plate 22. Specifically, four ear plates 25 are provided at the four corners of the outer shell 2, and four threaded holes are provided at the corresponding positions on the panel to achieve threaded connection.

[0039] In the first embodiment, an inner notch is provided only on one side of the sleeve 1, and an outer notch is provided only on the same side of the outer shell 2. During installation, the inner notch and the outer notch need to correspond.

[0040] In the second embodiment, an inner notch is provided only on one side of the sleeve 1, and outer notches are provided on both opposite sides of the outer shell 2. During installation, there is no need to specifically align for installation, which improves the installation convenience. The wire harness 8 passes through the wire passing hole on only one side, and the idle outer notch on the other side is blocked by installing a baffle 23.

[0041] In the third embodiment, inner notches are provided on both opposite sides of the sleeve 1, and outer notches are also provided on both opposite sides of the outer shell 2. During installation, the wire harness 8 passes through the wire passing hole on only one side, the idle wire passing hole on the other side is blocked by a sealing plug 5, and the idle outer notch on the other side is blocked by installing a baffle 23. The above installation method is more applicable, enabling the wire harness 8 to extend in two opposite directions.

[0042] In addition to the above connector sealing structure, the specific embodiments of the present invention also provide an electrical device including the above connector sealing structure. For the structures of other parts of the electrical device, reference can be made to the prior art and will not be elaborated herein.

[0043] Specifically, the electrical device can be a battery pack.

[0044] The above has introduced in detail the connector sealing structure and the electrical device provided by the present invention. Specific examples are used herein to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A connector sealing structure, characterized in that: The invention comprises a sleeve (1) and a shell (2) covering and wrapping the sleeve (1), wherein the sleeve (1) surrounds a connector (7), and the inner end of the sleeve (1) is connected to the end surface of an electrical equipment box (6), and the outer end of the sleeve (1) is open and provided with an opening, and the shell (2) comprises a cover plate (21) and a side plate (22) surrounding the cover plate (21), wherein the cover plate (21) covers the outer end opening of the sleeve (1), and the side plate (22) surrounds and wraps the outer circumference of the sleeve (1), an inner notch is provided at the outer end edge of the sleeve (1), and an outer notch is provided at a corresponding position of the side plate (22), and the inner notch and the outer notch form a wire hole for allowing a wire harness (8) to pass through.

2. The connector sealing structure according to claim 1, characterized in that: A sealing gasket (4) is provided at the edge of the outer opening of the sleeve (1), and a sealing ring (3) is provided on the inner side of the cover plate (21), wherein the sealing ring (3) presses the sealing gasket (4).

3. The connector sealing structure according to claim 2, characterized in that: The sealing pad (4) is provided with an inner semicircular groove at a position corresponding to the inner notch, and the sealing ring (3) is provided with an outer semicircular groove at a position corresponding to the outer notch, and the inner semicircular groove and the outer semicircular groove form a circular hole that wraps the wiring harness (8).

4. The connector sealing structure according to claim 1, characterized in that: It also includes a sealing plug (5) which is detachably mounted in the wire passing hole.

5. The connector sealing structure according to claim 4, characterized in that: The outer notch is detachably provided with a baffle (23).

6. The connector sealing structure according to claim 2, characterized in that: The inner side surface of the cover plate (21) is provided with a rib position slot (24), the sealing ring (3) is installed in the rib position slot (24), and the lowest point of the rib position slot (24) is higher than the lowest point of the outer notch.

7. The connector sealing structure according to claim 6, characterized in that: The sealing ring (3) is integrally installed in the rib slot (24) by means of adhesive fixation, interference fit or mold injection, and the sealing pad (4) is adhered to the outer opening edge of the sleeve (1).

8. The connector sealing structure according to claim 1, characterized in that: It comprises two sleeves (1) and two shells (2) arranged in parallel, wherein the cross-sections of the sleeves (1) and the shells (2) are rounded rectangular, and one side of each sleeve (1) is provided with two parallel inner notches, and the corresponding positions of the shells (2) are provided with two parallel outer notches.

9. The connector sealing structure according to any one of claims 1 to 8, characterized in that: The inner end of the side plate (22) is provided with a lug plate (25) for bolt connection.

10. An electrical device, characterized in that: Comprising the connector sealing structure as described in any one of claims 1 to 9.

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