CN214132590U

CN214132590U - Pressure relief device

Info

Publication number: CN214132590U
Application number: CN202022393053.8U
Authority: CN
Inventors: 钟建文; 黄振奎; 邹小珂; 黄宗荣
Original assignee: Guangdong Lyric Robot Automation Co Ltd
Current assignee: Guangdong Lyric Robot Automation Co Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-09-07
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to a pressure relief device, include the dustcoat and locate return air cavity in the dustcoat, the dustcoat is equipped with the air intake, the return air cavity includes the casting die and the casting die of letting out down, on let out the casting die and can dismantle the connection with the casting die of letting out down, let out the casting die down with form the air outlet between the dustcoat, it is equipped with the wind hole to let out the casting die down. The utility model discloses a return air cavity adopts split type structure, is formed by last pressure release spare and lower pressure release spare connection, therefore the return air cavity can be divided the piece manufacturing during manufacturing, and the consumptive material is little, and low in manufacturing cost has reduced the manufacturing process requirement of return air cavity, and can carry out the equipment of return air cavity again after the hole has been beaten to the pressure release spare down to guarantee the complete of return air cavity form.

Description

Pressure relief device

Technical Field

The utility model relates to a pressure relief structure technical field especially relates to a pressure relief device.

Background

In the production process of the battery, the battery base material needs to be coated, and in the coating process, the battery base material also needs to be dried by an oven. In the prior art, the air nozzle matched with the drying oven is usually provided with an air return cavity, and the air return cavity is used for allowing the air return generated when the air is blown out from the air nozzle and contacts with the base material to enter the air return cavity, so that the base material fluctuation caused by the mutual interference of the air at the air outlet of the air return and the air outlet of the air nozzle is avoided. The existing return air cavity generally adopts an integrated forming technology, the manufacturing cost is high, in addition, the return air cavity needs to be punched, the punching difficulty of the integrated return air cavity is high, the process is troublesome, and the shape of the return air cavity is easily influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a solve above-mentioned technical problem, provide a pressure relief device with split type return air cavity structure.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a pressure relief device, includes the dustcoat and locates return air cavity in the dustcoat, the dustcoat is equipped with the air intake, the return air cavity is including releasing the casting die and releasing the casting die down, it can dismantle the connection with releasing the casting die down to go up to release the casting die, release the casting die down with form the air outlet between the dustcoat, it is equipped with the wind hole to release the casting die down. The air return cavity is of a split structure and is formed by connecting an upper pressure relief piece and a lower pressure relief piece, so that the air return cavity can be manufactured in a split mode during manufacturing, the manufacturing process requirements of the air return cavity are lowered, and the air return cavity can be assembled after holes are punched in the lower pressure relief piece, so that the shape integrity of the air return cavity is guaranteed.

Furthermore, the return air cavity further comprises an upper connecting piece and a lower connecting piece, wherein the upper connecting piece and the upper pressure relief piece are integrally formed, the lower connecting piece and the lower pressure relief piece are integrally formed, and the upper connecting piece is fixedly connected with the lower connecting piece. The upper and lower connectors are arranged to facilitate assembly of the upper and lower pressure relief members.

Furthermore, the return air cavity is connected with the inner wall of the outer cover through a fixing block. The air return cavity is suspended and fixed in the outer cover in a mode of being connected through the fixing block, and the air return cavity has the advantages of being convenient to disassemble, being convenient to maintain in time and reducing the manufacturing difficulty of the whole pressure relief device.

Furthermore, the return air cavity is a cavity with four closed sides. The two opposite ends of the return air cavity are of open structures, and the return air enters the return air cavity and is blown out from the openings at the two ends, so that the interference of the return air on the air blown out from the air nozzle outlet can be effectively avoided.

Furthermore, the number of the upper connecting pieces is two, the two upper connecting pieces are respectively located on two sides of the upper pressure relief piece, and the number of the lower connecting pieces is two, and the two lower connecting pieces are respectively located on two sides of the lower pressure relief piece.

Further, the two upper connecting pieces are respectively positioned at the inner sides of the two lower connecting pieces.

Furthermore, the two upper connecting pieces are respectively positioned at the outer sides of the two lower connecting pieces.

Furthermore, the upper connecting piece or the lower connecting piece is of an integrated bending structure. The integrated bending structure can play a fool-proof function on one hand, and can also play a positioning function on the other hand, so that the upper pressure relief piece and the lower pressure relief piece can be conveniently assembled.

Furthermore, the number of the air outlets is at least one. The air outlet is used for guiding the flow direction of the air, so that the air can flow to the base material, and the drying effect of the base material is realized.

Furthermore, the wind hole is a plurality of, a plurality of wind hole interval sets up. The air holes can enable the return air to enter the return air cavity, and the efficiency of the return air entering the air holes can be effectively improved by arranging the air holes.

The utility model discloses compare in prior art's beneficial effect and be:

the utility model discloses a pressure relief device has two cavitys, cavity and the return air cavity that dustcoat self formed promptly, and wind blows off through the air outlet and contacts the substrate and realize the stoving effect in following the dustcoat, blocks the return air that forms through the substrate and enters into the return air cavity from the wind hole, realizes the pressure relief effect to can effectively avoid the fluctuation of substrate. The utility model discloses a return air cavity adopts split type structure, is formed by last pressure release spare and lower pressure release spare connection, and the processing degree of difficulty that leads to of cavity of integrated into one piece is big in comparison in prior art, the problem that secondary operation warp easily, the utility model discloses a return air cavity can be divided the piece and make during manufacturing, and the consumptive material is little, and low in manufacturing cost has reduced the manufacturing process requirement of return air cavity, and can carry out the equipment of return air cavity again after the hole has been beaten to the pressure release spare down to guarantee the completeness of return air cavity form.

Drawings

Fig. 1 is the overall structure schematic diagram of the pressure relief device of the embodiment of the present invention.

Fig. 2 is a schematic structural view of the pressure relief device in embodiment 1 of the present invention after a part of the outer cover is removed.

Fig. 3 is a schematic structural view of the pressure relief device in embodiment 2 of the present invention after a part of the outer cover is removed.

Fig. 4 is a schematic structural view of the pressure relief device according to embodiment 3 of the present invention after a part of the outer cover is removed.

Reference numerals: 1-a housing; 2-air return cavity; 21-upper bleeder; 22-lower bleeder; 23-upper connecting piece; 24-a lower connector; 3-air inlet; 4, air outlet; 5, fixing blocks; 6-wind hole.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.

Referring to fig. 1-4, embodiments of the present invention include.

Example 1

Referring to fig. 1 and 2, a pressure relief device includes an outer cover 1 and a return air cavity 2 disposed in the outer cover 1, the outer cover 1 has an air inlet 3, the return air cavity 2 includes an upper pressure relief member 21 and a lower pressure relief member 22, the upper pressure relief member 21 and the lower pressure relief member 22 are detachably connected, an air outlet 4 is formed between the lower pressure relief member 22 and the outer cover 1, and the lower pressure relief member 22 has an air hole 6. Pressure relief device tuyere has two cavitys, the cavity of airing exhaust and the return air cavity 2 that dustcoat 1 self formed promptly, wind blows off through air outlet 4 in the dustcoat 1 and touches the substrate and realize drying effect after, blocks the rebound air current that forms between substrate and air outlet 4 through the substrate and enters into return air cavity 2 from wind hole 6, flows in the opening that sets up around the return air cavity 2 again, realizes the pressure release effect, thereby can effectively avoid the rebound air current to lead to the fluctuation of substrate. The return air cavity 2 of this embodiment adopts split type structure, is formed by connecting last pressure release piece 21 and pressure release piece 22 down, therefore return air cavity 2 can be divided into parts manufacturing in the time of manufacturing, and the consumptive material is little, and low in manufacturing cost has reduced return air cavity 2's manufacturing process requirement, and can carry out the equipment of return air cavity 2 again after pressure release piece 22 has beaten the hole down to guarantee the completeness of return air cavity 2 form.

In this embodiment, the air return cavity 2 is connected with the inner wall of the outer cover 1 through a fixing block 5. The air return cavity 2 is suspended and fixed in the outer cover 1 in a mode of being connected through the fixing block 5, and the air return cavity has the advantages of being convenient to disassemble, being convenient to maintain in time and reducing the manufacturing difficulty of the whole pressure relief device. The fixing block 5 and the return air cavity 2 or the outer cover 1 can be connected through screws, bolts and the like, and can also be connected through buckles, adhesives, bonding and other modes.

In this embodiment, the air return cavity 2 is a cavity with four closed sides and a through front and back side. The two opposite ends of the air return cavity 2 are of open structures, and rebound airflow enters the air return cavity 2 and is blown out from the openings at the two ends, so that the interference of the rebound airflow on the air blown out from the air nozzle air outlet 3 can be effectively avoided. It should be noted that the airflow direction of the openings at the two ends of the return air cavity 2 is different from the airflow direction of the air inlet 3 or the air outlet 4, so that the rebound airflow does not interfere with the airflow of the air inlet 3 and the airflow of the air outlet 4.

In this embodiment, the air return cavity 2 further includes two upper connecting members 23 integrally formed with the upper pressure relief member 21, and two lower connecting members 24 integrally formed with the lower pressure relief member 22, where the two upper connecting members 23 are respectively located at two sides of the upper pressure relief member 21, the two lower connecting members 24 are respectively located at two sides of the lower pressure relief member 22, and the upper connecting members 23 are fixedly connected with the lower connecting members 24. The provision of the upper and

lower connectors

23, 24 facilitates the assembly of the upper and

lower reliefs

21, 22. The connection between the upper and

lower connection members

23 and 24 may be by means of screw fixation, welding, or adhesive bonding.

In the present embodiment, the two upper connectors 23 are respectively located at the inner sides of the two lower connectors 24, i.e., the outer sides of the upper connectors 23 are fixedly connected with the inner sides of the lower connectors 24. Wherein, the fixed block 5 can be connected with the upper connecting piece 23 and also can be connected with the lower connecting piece 24.

In this embodiment, there is at least one air outlet 4. The air outlet 4 is used for guiding the flow direction of the air, so that the air can flow to the base material, and the drying effect of the base material is realized. The two air outlets 4 of this embodiment are preferably oppositely disposed, and the air outlets 4 may be a circular air outlet 4, a square air outlet 4, or a strip air outlet 4.

In the present embodiment, the number of the wind holes 6 is plural, and the plural wind holes 6 are provided at intervals. Of course, the wind holes 6 may also be designed in multiple rows, with the wind holes 6 being disposed on the side of the lower deflector 22 facing the substrate. The air holes 6 can enable return air to enter the return air cavity 2, and the efficiency of the return air entering the air holes 6 can be effectively improved by arranging the air holes 6. The wind holes 6 can be round wind holes 6, square wind holes 6 or strip wind holes 6.

Example 2

Referring to fig. 3, the difference from embodiment 1 is that two upper connecting members 23 are respectively located at the outer sides of two lower connecting members 24, i.e. the inner sides of the upper connecting members 23 are fixedly connected with the outer sides of the lower connecting members 24.

Example 3

Referring to fig. 4, the difference between the

embodiments

1 and 2 is that the upper connecting member 23 or the lower connecting member 24 is an integral bending structure. Accordingly, the lower connecting member 24 or the upper connecting member 23 connected thereto may be a straight mechanism. The integral bending structure can play a fool-proof function on one hand and also can play a positioning function on the other hand so as to facilitate the assembly between the upper pressure relief piece 21 and the lower pressure relief piece 22.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The utility model provides a pressure relief device, its characterized in that includes dustcoat (1) and locates return air cavity (2) in dustcoat (1), dustcoat (1) is equipped with air intake (3), return air cavity (2) are including last pressure relief spare (21) and pressure relief spare (22) down, go up pressure relief spare (21) and pressure relief spare (22) detachable connection down, pressure relief spare (22) down with form air outlet (4) between dustcoat (1), pressure relief spare (22) are equipped with wind hole (6) down.

2. A pressure relief device according to claim 1, wherein said return air chamber (2) further comprises an upper connector (23) integrally formed with said upper pressure relief member (21) and a lower connector (24) integrally formed with said lower pressure relief member (22), said upper connector (23) being fixedly connected to said lower connector (24).

3. A pressure relief device according to claim 1, characterized in that said return air cavity (2) is connected to the inner wall of said housing (1) by means of a fixing block (5).

4. A pressure relief device according to claim 1, wherein said return air chamber (2) is a four-sided closed chamber.

5. A pressure relief device according to claim 2, characterized in that said upper connecting members (23) are two and located on either side of said upper pressure relief member (21), and said lower connecting members (24) are two and located on either side of said lower pressure relief member (22).

6. A pressure relief device according to claim 5, characterized in that two of said upper connecting pieces (23) are located inside two of said lower connecting pieces (24), respectively.

7. A pressure relief device according to claim 5, characterized in that two of said upper connecting pieces (23) are located outside two of said lower connecting pieces (24), respectively.

8. A pressure relief device according to claim 5, characterized in that the upper connecting piece (23) or the lower connecting piece (24) is of an integral bent structure.

9. A pressure relief device according to claim 1, characterized in that said outlet opening (4) is at least one.

10. A pressure relief device according to any of claims 1-9 wherein said vent (6) is plural and said vents (6) are spaced apart.