An integrated negative pressure component

Abstract

The utility model discloses an integrated negative pressure component, including a negative pressure tube body, on which a vacuum joint connected to an external vacuum device and a plurality of connectors connected to an inner cavity of a battery are respectively connected. The utility model integrates a plurality of connectors that can be connected to the inner cavity of a battery into the same negative pressure tube body. After the negative pressure tube body is connected to the negative pressure device, a plurality of batteries can be evacuated at the same time, which occupies less space and has high work efficiency. The negative pressure tube body, the vacuum joint and the connector are an integrated structure, which has better sealing performance and negative pressure effect.

Description

Technical Field

[0001] The utility model relates to a negative pressure structure, in particular to an integrated negative pressure component. Background Art

[0002] The existing negative pressure extraction mechanism used in the battery field is usually a single-tube single-head structure. For example, the patent with publication number "CN205248347U" discloses a negative pressure extraction device for batteries, including a vacuum device. According to the attached figure of the specification, it can be seen that the vacuum device is only matched with a single negative pressure vacuum head. This structure can only vacuum one battery at a time. If multiple vacuum devices are set up, it will result in a larger space being occupied. If only a single vacuum device is used, it will result in a longer working time and lower working efficiency. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an integrated negative pressure component capable of simultaneously evacuating a plurality of workpieces.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] An integrated negative pressure component includes a negative pressure tube body, on which are respectively connected a vacuum joint connected to an external vacuum device and a plurality of connectors connected to an inner cavity of a battery. The negative pressure tube body, the vacuum joint and the connector are an integrally formed structure.

[0006] A first limiting boss is circumferentially disposed on the outer side of the vacuum joint, a first connecting port is disposed on the negative pressure tube body, and a first limiting groove matching the first limiting boss is disposed in the first connecting port.

[0007] A second limiting boss is provided on the outer circumference of the connector, a plurality of second connecting ports are provided on the negative pressure tube body, and a second limiting groove matching the second limiting boss is provided in the second connecting port.

[0008] A sealing ring is provided between the connecting head and the second connecting port.

[0009] A negative pressure cavity is provided in the negative pressure tube body, and mounting parts are provided at both ends of the negative pressure tube body, and side cover assemblies are installed on the mounting parts.

[0010] The side cover assembly comprises a cover outer frame and a cover body. The upper and lower ends of the mounting portion are both provided with first plug-in slots. The cover outer frame is provided with a first plug-in component that matches and is plugged into the first plug-in slot.

[0011] The cover outer frame is provided with a first connecting groove at both upper and lower ends close to the mounting portion, the mounting portion is provided with a second connecting groove corresponding to the first connecting groove at both upper and lower ends, a second plug-in groove is formed between the first connecting groove and the second connecting groove, and the cover body is provided with a second plug-in component matching and plugged into the second plug-in groove at both upper and lower ends.

[0012] One end of the vacuum joint away from the negative pressure tube body and one end of the connector away from the negative pressure tube body are respectively connected with fastening nuts.

[0013] A positioning platform is arranged outside the negative pressure tube body, and a positioning hole is arranged in the middle of the positioning platform.

[0014] The negative pressure tube body and the side cover assembly are respectively workpieces made of plastic materials, the vacuum joint and the connecting head are respectively workpieces made of hardware materials, and the negative pressure tube body and the vacuum joint and the connecting head are an integral injection molding structure.

[0015] The beneficial effects of the utility model are:

[0016] 1. The utility model provides an integrated negative pressure component, including a negative pressure tube body, on which a vacuum joint and a plurality of connectors are respectively connected. The utility model integrates a plurality of connectors that can be connected to the inner cavity of a battery into the same negative pressure tube body. After the negative pressure tube body is connected to a negative pressure device, multiple batteries can be evacuated at the same time, which occupies less space and has high work efficiency. The negative pressure tube body, the vacuum joint and the connector are an integrated injection molding structure, which has better sealing performance and negative pressure effect.

[0017] 2. The utility model has a first limiting boss on the outer circumference of the vacuum joint and a second limiting boss on the outer circumference of the connecting head, so that the vacuum joint, the connecting head and the negative pressure tube body are in closer contact, reducing the probability of the vacuum joint 2 shaking under long-term use, thereby ensuring the sealing performance of the negative pressure component. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is one of the structural schematic diagrams of the utility model;

[0020] Figure 2 This is the second structural diagram of the utility model;

[0021] Figure 3 It is a cross-sectional view of the utility model;

[0022] Figure 4 It is an enlarged view of point A of the present utility model. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0024] Reference Figures 1 to 4 An integrated negative pressure component includes a negative pressure tube body 1, on which a vacuum joint 2 connected to an external vacuum device and a plurality of connectors 3 connected to an inner cavity of a battery are respectively connected, and the negative pressure tube body 1 and the vacuum joint 2 and the connector 3 are an integrally formed structure.

[0025] The present embodiment provides an integrated negative pressure assembly, including a negative pressure tube body 1, on which a vacuum joint 2 and a plurality of connectors 3 are respectively connected. In the present embodiment, a plurality of connectors 3 that can be connected to the inner cavity of a battery are integrated into the same negative pressure tube body 1. The negative pressure equipment can evacuate a plurality of batteries at the same time, taking up less space and having high working efficiency. The negative pressure tube body 1 and the vacuum joint 2 and the connector 3 are an integrated injection molding structure, which has better sealing performance and negative pressure effect.

[0026] A first limiting boss 21 is provided on the outer circumference of the vacuum joint 2, and a first connecting port 11 is provided on the negative pressure tube body 1. A first limiting groove 12 matching the first limiting boss 21 is provided in the first connecting port 11. A plurality of first limiting bosses 21 and first limiting grooves 12 are provided, so that the vacuum joint 2 and the first connecting port 11 are in closer contact, reducing the probability of shaking of the vacuum joint 2 under long-term use, thereby ensuring the sealing performance of the negative pressure component.

[0027] A second limiting boss 31 is provided on the outer circumference of the connecting head 3, and a plurality of second connecting ports 13 are provided on the negative pressure tube body 1. A second limiting groove 14 matching the second limiting boss 31 is provided in the second connecting port 13. A plurality of second limiting bosses 31 and second limiting grooves 14 are provided, so that the connecting head 3 and the second connecting port 13 are in closer contact, reducing the probability of shaking of the connecting head 3 under long-term use, thereby ensuring the sealing performance of the negative pressure component.

[0028] A sealing ring 32 is provided between the connector 3 and the second connector 13. The sealing ring 32 is first installed on the connector 3 and then placed in the mold injection cavity for injection molding of the negative pressure tube body 1, thereby further improving the sealing effect of the negative pressure assembly of this embodiment.

[0029] A negative pressure chamber 15 is provided in the negative pressure tube body 1. Both ends of the negative pressure tube body 1 are provided with a mounting portion 4. A side cover assembly 5 is installed on the mounting portion 4. The side cover assembly 5 includes a cover outer frame 6 and a cover body 7. The upper and lower ends of the mounting portion 4 are provided with a first plug-in slot 41. The cover outer frame 6 is provided with a first plug-in connector 61 that matches and plugs in the first plug-in slot 41. The cover outer frame 6 is provided with a first connecting groove 62 near the upper and lower ends of the mounting portion 4. The upper and lower ends of the mounting portion 4 are provided with a second connecting groove 42 that matches the first connecting groove 62. A second plug-in slot 43 is formed between the first connecting groove 62 and the second connecting groove 42. The upper and lower ends of the cover body 7 are provided with a second plug-in connector 71 that matches and plugs in the second plug-in slot 43. In this embodiment, a cover outer frame 6 is further provided outside the cover body 7 to reinforce and seal the cover body 7 and cover the connecting gap between the cover body 7 and the mounting portion 4 to avoid air leakage.

[0030] One end of the vacuum joint 2 away from the negative pressure tube body 1 and one end of the connector 3 away from the negative pressure tube body 1 are respectively connected with a fastening nut 8 .

[0031] A positioning platform 9 is disposed outside the negative pressure tube body 1 , and a positioning hole 91 is disposed in the middle of the positioning platform 9 for mounting the negative pressure assembly on a workbench.

[0032] The negative pressure tube body 1 and the side cover assembly 5 are respectively workpieces made of plastic materials, and the vacuum joint 2 and the connecting head 3 are respectively workpieces made of hardware materials. The negative pressure tube body 1 and the vacuum joint 2 and the connecting head 3 are an integral injection molding structure. This embodiment adopts a set of molds during production, and the negative pressure tube body 1 and the side cover assembly 5 are respectively injection molded on the same set of molds. The vacuum joint 2 and the connecting head 3 are first placed at preset positions in the injection cavity of the mold, and then the negative pressure tube body is injection molded, so that an integral injection molding structure is formed between the negative pressure tube body 1 and the vacuum joint 2 and the connecting head 3, thereby ensuring the sealing performance between the structures and the vacuum effect.

[0033] The above implementation modes cannot limit the protection scope of the present invention. The equivalent modifications and changes made by those skilled in the art without departing from the overall concept of the present invention are still within the scope of the present invention.

Claims

1. An integrated negative pressure assembly, characterized in that The invention comprises a negative pressure tube body (1), wherein the negative pressure tube body (1) is respectively connected to a vacuum joint (2) connected to an external vacuum device and a plurality of connectors (3) connected to the inner cavity of a battery, and the negative pressure tube body (1) and the vacuum joint (2) and the connector (3) are an integrally formed structure.

2. The integrated negative pressure assembly according to claim 1, characterized in that A first limiting boss (21) is provided on the outer circumference of the vacuum joint (2), a first connecting port (11) is provided on the negative pressure tube body (1), and a first limiting groove (12) matching the first limiting boss (21) is provided in the first connecting port (11).

3. The integrated negative pressure assembly according to claim 1, characterized in that A second limiting boss (31) is provided on the outer circumference of the connector (3), a plurality of second connecting ports (13) are provided on the negative pressure tube body (1), and a second limiting groove (14) matching the second limiting boss (31) is provided in the second connecting port (13).

4. The integrated negative pressure assembly according to claim 3, characterized in that A sealing ring (32) is provided between the connecting head (3) and the second connecting port (13).

5. The integrated negative pressure assembly according to claim 1, characterized in that A negative pressure chamber (15) is provided in the negative pressure tube body (1), and mounting portions (4) are provided at both ends of the negative pressure tube body (1), and a side cover assembly (5) is installed on the mounting portion (4).

6. The integrated negative pressure assembly according to claim 5, characterized in that The side cover assembly (5) comprises a cover outer frame (6) and a cover body (7); the upper and lower ends of the mounting portion (4) are both provided with first plug-in slots (41); and the cover outer frame (6) is provided with a first plug-in component (61) that matches and plugs into the first plug-in slot (41).

7. The integrated negative pressure assembly according to claim 6, characterized in that The cover outer frame (6) is provided with a first connecting groove (62) at both upper and lower ends close to the mounting portion (4); the mounting portion (4) is provided with a second connecting groove (42) at both upper and lower ends, which is matched with the first connecting groove (62); a second plug-in groove (43) is formed between the first connecting groove (62) and the second connecting groove (42); and the cover body (7) is provided with a second plug-in component (71) at both upper and lower ends, which is matched with the second plug-in groove (43) and plug-in installed.

8. The integrated negative pressure assembly according to claim 1, characterized in that One end of the vacuum joint (2) away from the negative pressure tube body (1) and one end of the connector (3) away from the negative pressure tube body (1) are respectively connected with a fastening nut (8).

9. The integrated negative pressure assembly according to claim 1, characterized in that A positioning platform (9) is provided on the outside of the negative pressure tube body (1), and a positioning hole (91) is provided in the middle of the positioning platform (9).

10. The integrated negative pressure assembly according to claim 1, characterized in that The negative pressure tube body (1) and the side cover assembly (5) are respectively workpieces made of plastic materials, the vacuum joint (2) and the connecting head (3) are respectively workpieces made of hardware materials, and the negative pressure tube body (1) and the vacuum joint (2) and the connecting head (3) are an integral injection molding structure.

Images