Plugging device and power battery

Abstract

The embodiment of the utility model provides a plugging device and a power battery, and relates to the field of power batteries. The plugging device comprises an installation part, a fixing part and a sealing part, the installation part is used for being arranged on the anti-explosion valve, the fixing part is connected with the installation part, the fixing part is used for covering the surface of the anti-explosion valve, the sealing part is arranged on one side of the fixing part, the sealing part is detachably connected with the fixing part, and the sealing part is arranged on the other side of the fixing part. And the sealing piece is used for blocking the anti-explosion valve. When the plugging device is used, the mounting piece is arranged at the position of the anti-explosion valve, the sealing piece is connected with the fixing piece, the fixing piece covers the surface of the anti-explosion valve through the mounting piece, meanwhile, the sealing piece can be tightly pressed on the anti-explosion valve, and therefore plugging and sealing of the anti-explosion valve are achieved. Therefore, the air tightness test is facilitated. The plugging device is simple in structure and convenient to use, and the working efficiency can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power batteries, and in particular to a blocking device and a power battery. Background Art

[0002] With the continuous development and progress of new energy, new energy vehicles are also widely used in daily life and more scenarios. The most important component of new energy vehicles is the power battery, which can provide power to the car. The air tightness of the power battery is very important for the power battery.

[0003] The battery air tightness detection device in the prior art has technical problems of complex structure and cumbersome use. Utility Model Content

[0004] The utility model provides a blocking device and a power battery, which can block an explosion-proof valve to perform an air tightness test, and the operation is simpler and the use is more convenient.

[0005] The embodiments of the present invention can be implemented as follows:

[0006] The embodiment of the utility model provides a blocking device, which comprises:

[0007] A mounting member, the mounting member being used to be arranged on the explosion-proof valve;

[0008] A fixing member, the fixing member is connected to the mounting member, and the fixing member is used to cover the surface of the explosion-proof valve;

[0009] A sealing member is arranged on one side of the fixing member, and the sealing member and the fixing member are detachably connected, and the sealing member is used to seal the explosion-proof valve.

[0010] Optionally, the mounting member includes a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are both detachably connected to the fixing member, and the first mounting plate and the second mounting plate are both used to be arranged on the outer wall of the explosion-proof valve.

[0011] Optionally, both the first mounting plate and the second mounting plate are arc-shaped plates, and the first mounting plate and the second mounting plate together form an annular structure for being sleeved on the outside of the explosion-proof valve.

[0012] Optionally, the blocking device further includes a connecting member, and the fixing member is detachably connected to the first mounting plate and the second mounting plate at the same time through the connecting member.

[0013] Optionally, the first mounting plate and the second mounting plate are both provided with connecting holes, the fixing member is provided with a mounting hole, and the connecting member simultaneously connects the connecting hole and the mounting hole, thereby detachably connecting the connecting member, the first mounting plate and the second mounting plate.

[0014] Optionally, the fixing member includes a cover plate, a first mounting portion and a second mounting portion, the first mounting portion and the second mounting portion are respectively arranged at two ends of the cover plate, the sealing member is arranged on the bottom surface of the cover plate, the mounting hole is arranged on the first mounting portion and the second mounting portion, the first mounting portion and the first mounting plate are detachably connected, and the second mounting portion and the second mounting plate are detachably connected.

[0015] Optionally, the first mounting portion, the second mounting portion and the cover plate are integrally formed.

[0016] Optionally, the connecting member is a bolt.

[0017] Optionally, the sealing member is a silicone pad.

[0018] An embodiment of the utility model further provides a power battery, comprising a battery body and a blocking device, wherein the blocking device is connected to an explosion-proof valve of the battery body.

[0019] The beneficial effects of the blocking device and the power battery of the embodiment of the utility model include, for example:

[0020] The plugging device includes a mounting part, a fixing part and a sealing part. The mounting part is used to be arranged on the explosion-proof valve, the fixing part is connected to the mounting part, the fixing part is used to cover the surface of the explosion-proof valve, the sealing part is arranged on one side of the fixing part, and the sealing part and the fixing part are detachably connected, and the sealing part is used to seal the explosion-proof valve. When the plugging device is in use, the mounting part is arranged at the position of the explosion-proof valve, the sealing part is connected to the fixing part, the fixing part covers the surface of the explosion-proof valve through the mounting part, and the sealing part can be tightly pressed on the explosion-proof valve, so as to achieve the blocking and sealing of the explosion-proof valve. Thereby, it is convenient to carry out air tightness testing. The plugging device has a simple structure, is easy to use, and can greatly improve work efficiency.

[0021] The power battery includes a battery body and a plugging device, and the plugging device is connected to the explosion-proof valve of the battery body. When the power battery is in use, the mounting piece is set at the position of the explosion-proof valve, the sealing piece is connected to the fixing piece, and the fixing piece is covered on the surface of the explosion-proof valve through the mounting piece, and the sealing piece can be tightly pressed on the explosion-proof valve, thereby achieving the plugging and sealing of the explosion-proof valve. This facilitates the airtightness test. The plugging device has a simple structure, is easy to use, and can greatly improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A schematic diagram of the structure of the mounting member provided in this embodiment;

[0024] Figure 2 This is a schematic diagram of the structure of the fixing member provided in this embodiment.

[0025] Icons: 10 - mounting piece; 11 - first mounting plate; 12 - second mounting plate; 13 - connecting hole; 20 - fixing piece; 21 - cover plate; 22 - first mounting part; 23 - second mounting part; 24 - mounting hole. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0029] In the description of the present utility model, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.

[0030] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0031] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0032] With the continuous development and progress of new energy, new energy vehicles are also widely used in daily life and more scenarios. The most important component of new energy vehicles is the power battery, which can provide power to the car. The air tightness of the power battery is very important for the power battery.

[0033] The battery air tightness detection device in the prior art has technical problems of complex structure and cumbersome use.

[0034] Please refer to Figure 1-Figure 2 This embodiment provides a power battery, which includes a battery body and a blocking device, which is arranged on the battery body and blocks the explosion-proof valve on the battery body. The power battery can effectively improve the above-mentioned technical problems, can block the explosion-proof valve to perform airtightness test, and is simpler to operate and more convenient to use.

[0035] Specifically, the power battery can be used in electric vehicles in daily life to provide power to the electric vehicles to achieve the purpose of driving. The power battery can also be used in unmanned vehicles to provide power to unmanned vehicles for transportation and other purposes. No specific limitation is made here.

[0036] Please refer to Figure 1-Figure 2 The sealing device includes a mounting member 10, a fixing member 20 and a sealing member. The mounting member 10 is used to be set on the explosion-proof valve. The fixing member 20 is connected to the mounting member 10. The fixing member 20 is used to cover the surface of the explosion-proof valve. The sealing member is set on one side of the fixing member 20, and the sealing member and the fixing member 20 are detachably connected. The sealing member is used to seal the explosion-proof valve.

[0037] Specifically, the mounting member 10 can be snapped onto the explosion-proof valve, and the fixing member 20 is covered on the surface of the explosion-proof valve through the mounting member 10, thereby pressing the sealing member tightly onto the surface of the explosion-proof valve to achieve blocking and sealing effects.

[0038] The fixing member 20 and the mounting member 10 in this embodiment are both made of stainless steel.

[0039] In this embodiment, the mounting member 10 includes a first mounting plate 11 and a second mounting plate 12, both of which are detachably connected to the fixing member 20, and both of which are used to be arranged on the outer wall of the explosion-proof valve.

[0040] It should be noted that the first mounting plate 11 and the second mounting plate 12 are both arc-shaped plates, and the first mounting plate 11 and the second mounting plate 12 together form an annular structure for being sleeved on the outside of the explosion-proof valve. Among them, the first mounting plate 11 and the second mounting plate 12 are both arc-shaped plate structures, and the first mounting plate 11 and the second mounting plate 12 have the same structure.

[0041] Specifically, the thickness of the first mounting plate 11 ranges from 1.5 mm to 1.8 mm. In this embodiment, the thickness of the first mounting plate 11 is 1.5 mm. In other embodiments, the thickness of the first mounting plate 11 may also be 1.6 mm, 1.65 mm or 1.8 mm. No specific limitation is made here.

[0042] It should also be noted that the blocking device further includes a connecting member, through which the fixing member 20 is detachably connected to the first mounting plate 11 and the second mounting plate 12. The first mounting plate 11 and the second mounting plate 12 are both provided with a connecting hole 13, and the fixing member 20 is provided with a mounting hole 24. The connecting member simultaneously connects the mounting hole 24 and the connecting hole 13, thereby detachably connecting the connecting member, the first mounting plate 11, and the second mounting plate 12.

[0043] Specifically, there are two connection holes 13, which are respectively arranged at the midpoints of the first mounting plate 11 and the second mounting plate 12. The connection holes 13 are circular hole structures. The number of mounting holes 24 corresponds to the number of connection holes 13, and the shape of the mounting holes 24 matches the shape of the connection holes 13.

[0044] In this embodiment, the diameter of the connecting hole 13 is 2.5 mm.

[0045] In this embodiment, the connecting member is a bolt. Specifically, the connecting member includes an M5×35mm hexagonal stainless steel screw, an M5×25mm hexagonal stainless steel screw, and an M5 butterfly stainless steel nut.

[0046] It should also be explained that the fixing member 20 includes a cover plate 21, a first mounting portion 22 and a second mounting portion 23, the first mounting portion 22 and the second mounting portion 23 are respectively arranged at both ends of the cover plate 21, a sealing member is arranged on the bottom surface of the cover plate 21, and mounting holes 24 are arranged on the first mounting portion 22 and the second mounting portion 23, the first mounting portion 22 and the first mounting plate 11 are detachably connected, and the second mounting portion 23 and the second mounting plate 12 are detachably connected.

[0047] The cover plate 21 is a circular cover plate 21, and the cover plate 21 is connected to the first mounting plate 11 and the second mounting plate 12 through the first mounting portion 22 and the second mounting portion 23, so that the cover plate 21 can cover the surface of the explosion-proof valve and press the sealing member tightly against the surface of the explosion-proof valve to block and seal. The first mounting portion 22 and the second mounting portion 23 have the same shape, both of which are square structures, and the first mounting portion 22 and the second mounting portion 23 are located on the same straight line. There are two mounting holes 24, which are respectively arranged at the midpoint of the first mounting portion 22 and the second mounting portion 23. The connecting member passes through the mounting hole 24 and the connecting hole 13 at the same time, so as to detachably connect the mounting member 10 and the fixing member 20.

[0048] In this embodiment, the thickness of the cover plate 21 ranges from 3 mm to 3.5 mm. Specifically, the thickness of the cover plate 21 is 3 mm. In other embodiments, the thickness of the cover plate 21 may also be 3.2 mm, 3.3 mm or 3.5 mm, which is not specifically limited here.

[0049] In this embodiment, the radius of the mounting hole 24 is in the range of 2.5 mm to 3 mm. Specifically, the radius of the mounting hole 24 is 2.7 mm. In other embodiments, the radius of the mounting hole 24 can also be 2.5 mm, 2.8 mm or 3 mm, which is not specifically limited here.

[0050] In this embodiment, the first mounting portion 22 , the second mounting portion 23 and the cover plate 21 are integrally formed.

[0051] In this embodiment, the sealing member is a silicone pad. The thickness of the sealing member ranges from 2 mm to 3 mm. Specifically, the thickness of the sealing member is 3 mm. In other embodiments, the thickness of the sealing member may also be 2 mm, 2.5 mm, or 2.8 mm. No specific limitation is made here.

[0052] In other embodiments, the sealing member may also be a rubber pad, etc., which is not specifically limited here.

[0053] When in use, first pass the connecting piece through the connecting hole 13 and the mounting hole 24 at the same time, so as to connect the cover plate 21 and the first mounting plate 11 and the second mounting plate 12, but do not rush to lock the connecting piece at this time, then clamp the first mounting plate 11 and the second mounting plate 12 in the limiting groove of the explosion-proof valve, and cover the explosion-proof valve with the sealing piece, and lock the connecting piece after placing the sealing piece, so that the cover plate 21 can be tightly fixed on the surface of the explosion-proof valve, thereby pressing the sealing piece tightly against the surface of the explosion-proof valve, thereby realizing the sealing and blocking of the explosion-proof valve, which is convenient for the subsequent air tightness test of the power battery.

[0054] In summary, the embodiment of the utility model provides a plugging device and a power battery, the plugging device includes a mounting member 10, a fixing member 20 and a sealing member, the mounting member 10 is used to be arranged on the explosion-proof valve, the fixing member 20 is connected to the mounting member 10, the fixing member 20 is used to cover the surface of the explosion-proof valve, the sealing member is arranged on one side of the fixing member 20, and the sealing member and the fixing member 20 are detachably connected, and the sealing member is used to plug the explosion-proof valve. When the plugging device is in use, the mounting member 10 is arranged at the position of the explosion-proof valve, the sealing member is connected to the fixing member 20, the fixing member 20 is covered on the surface of the explosion-proof valve through the mounting member 10, and the sealing member can be tightly pressed on the explosion-proof valve, thereby achieving the plugging and sealing of the explosion-proof valve. Thereby, it is convenient to carry out airtightness testing. The plugging device has a simple structure, is easy to use, and can greatly improve work efficiency.

[0055] The power battery includes a battery body and a plugging device, and the plugging device is connected to the explosion-proof valve of the battery body. When the power battery is in use, the mounting member 10 is set at the position of the explosion-proof valve, the sealing member is connected to the fixing member 20, and the fixing member 20 is covered on the surface of the explosion-proof valve through the mounting member 10, and the sealing member can be tightly pressed on the explosion-proof valve, thereby achieving the plugging and sealing of the explosion-proof valve. This facilitates the airtightness test. The plugging device has a simple structure, is easy to use, and can greatly improve work efficiency.

[0056] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A blocking device, characterized in that: include: A mounting member (10), wherein the mounting member (10) is used to be arranged on the explosion-proof valve; A fixing member (20), the fixing member (20) being connected to the mounting member (10), and the fixing member (20) being used to cover the surface of the explosion-proof valve; A sealing member, wherein the sealing member is arranged on one side of the fixing member (20), and the sealing member and the fixing member (20) are detachably connected, and the sealing member is used to seal the explosion-proof valve.

2. The blocking device according to claim 1, characterized in that: The mounting member (10) comprises a first mounting plate (11) and a second mounting plate (12); the first mounting plate (11) and the second mounting plate (12) are both detachably connected to the fixing member (20); and the first mounting plate (11) and the second mounting plate (12) are both used to be arranged on the outer wall of the explosion-proof valve.

3. The blocking device according to claim 2, characterized in that: The first mounting plate (11) and the second mounting plate (12) are both arc-shaped plates, and the first mounting plate (11) and the second mounting plate (12) together form an annular structure for being sleeved on the outside of the explosion-proof valve.

4. The blocking device according to claim 2, characterized in that: The blocking device also includes a connecting member, through which the fixing member (20) is detachably connected to both the first mounting plate (11) and the second mounting plate (12).

5. The blocking device according to claim 4, characterized in that: The first mounting plate (11) and the second mounting plate (12) are both provided with connecting holes (13), the fixing member (20) is provided with a mounting hole (24), and the connecting member simultaneously connects the connecting hole (13) and the mounting hole (24), thereby detachably connecting the connecting member, the first mounting plate (11) and the second mounting plate (12).

6. The blocking device according to claim 5, characterized in that: The fixing member (20) comprises a cover plate (21), a first mounting portion (22) and a second mounting portion (23); the first mounting portion (22) and the second mounting portion (23) are respectively arranged at two ends of the cover plate (21); the sealing member is arranged on the bottom surface of the cover plate (21); the mounting hole (24) is arranged on the first mounting portion (22) and the second mounting portion (23); the first mounting portion (22) and the first mounting plate (11) are detachably connected; and the second mounting portion (23) and the second mounting plate (12) are detachably connected.

7. The blocking device according to claim 6, characterized in that: The first mounting portion (22), the second mounting portion (23) and the cover plate (21) are integrally formed.

8. The blocking device according to any one of claims 4 to 7, characterized in that: The connecting piece is a bolt.

9. The blocking device according to claim 1, characterized in that: The sealing element is a silicone pad.

10. A power battery, characterized in that: It comprises a battery body and the blocking device according to any one of claims 1 to 9, wherein the blocking device is connected to the explosion-proof valve of the battery body.

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