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Automatic opening type air pressure balance hole structure for packaging box

A technology of air pressure balance and automatic opening, applied in the directions of packaging, transportation and packaging, closing, etc., can solve the problem of difficult to achieve automatic balance adjustment of packaging box pressure, and achieve the effect of reducing the risk of accidental explosion and improving safety.

Active Publication Date: 2020-07-03
BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is: in order to solve the problem that the traditional adjustment process of the internal air pressure of the packaging box requires manual adjustment, and it is difficult to realize the automatic balance adjustment process of the internal pressure of the packaging box, a kind of automatic opening type air pressure for the packaging box is proposed. balanced pore structure

Method used

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  • Automatic opening type air pressure balance hole structure for packaging box
  • Automatic opening type air pressure balance hole structure for packaging box
  • Automatic opening type air pressure balance hole structure for packaging box

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] see Figure 1-8 , the present invention provides a technical solution: an automatic opening type air pressure balance hole structure for packaging boxes, including an air pressure balance hole baffle plate 1, a clamping mechanism 2, a special-shaped cam 3, a bracket 4, a pressure safety valve 5, and a ratchet limiter Mechanism 6 and packing case air pressure balance port 13, the top of packing case air pressure balance port 13 is provided with support 4, and the top of the outer end surface of support 4 is fixedly connected with multiple groups of L-shaped frames distributed in a circular array, and multiple groups of L-shaped frames A clamping mechanism 2 is installed on the inner side of the vertical end. The side of the clamping mechanism 2 close to the bracket 4 is fixedly connected with a horizontally distributed thimble 9 . A pressure safety valve 5 is installed in the middle of the outer end surface of the bracket 4 . A special-shaped cam 3 is installed under the...

Embodiment 2

[0038] Specifically, such as figure 1 , Image 6 and Figure 7 As shown, the air pressure balance hole baffle plate 1 has a disc-shaped structure, and the air pressure balance hole baffle plate 1 and the bracket 4 form a clearance fit. The selection of the clearance fit method facilitates the gas inside the packing box to pass through the air pressure balance hole baffle plate 1 and the bracket 4. The air pressure balance hole baffle plate 1 is embedded with a sealing ring 12 on the outer periphery of the bottom. The setting of the sealing ring 12 improves the sealing performance of the connection between the air pressure balance hole baffle plate 1 and the bracket 4.

Embodiment 3

[0040] Specifically, such as figure 1 , figure 2 , Figure 4 and Figure 5 As shown, the outside of the clamping mechanism 2 is fixedly connected with a fixed limit rod 8 that runs through the L-shaped frame, wherein the inside of the L-shaped frame is located outside the fixed limit rod 8 and has an opening 10 on the bracket, and the fixed limit rod 8 And the setting of the opening 10 on the bracket facilitates the installation process between the clamping mechanism 2 and the L-shaped frame on the bracket 4, and facilitates the vertical rotation adjustment and limit processing of the clamping mechanism 2 at the same time. The top of the bracket 4 is located at the special-shaped The bottom of the cam 3 is equipped with multiple groups of support guide rails 11 distributed in a circular array, and the upper end faces of the multiple groups of support guide rails 11 are fitted with the lower end faces of the special-shaped cam 3. The setting of the support guide rails 11 red...

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Abstract

The invention discloses an automatic opening type air pressure balance hole structure for a packaging box. The automatic opening type air pressure balance hole structure comprises an air pressure balance hole baffle, a clamping mechanism, a special-shaped cam, a support, a pressure safety valve, a ratchet limiting mechanism and an air pressure balance port of the packaging box, wherein the supportis arranged at the top of the air pressure balance port of the packaging box. According to the automatic opening type air pressure balance hole structure for the packaging box, the ratchet limiting mechanism is rotated to the right under the left limiting condition of the ratchet limiting mechanism, and the air pressure balance hole baffle compresses the air pressure balance port of the packagingbox. When the pressure in the packaging box exceeds preset pressure, a pressure relief ejector rod on the pressure safety valve pushes a pawl away from a ratchet wheel, so that the left limiting of the ratchet limiting mechanism is changed to non-left limiting, the internal pressure of the packaging box can drive the air pressure balance hole baffle to be lifted, and air inside the packaging boxcan be exhausted from gaps of the air pressure balance port of the packaging box and the air pressure balance hole baffle, so that the electric-control-free automatic opening function of the air pressure balance port of the packaging box is achieved, the risk of accidental explosion of the packaging box is reduced, and the safety of packaging box transportation is improved.

Description

technical field [0001] The invention relates to the technical field of sealing and transportation of large-scale equipment positive pressure packaging boxes, in particular to an automatically opening air pressure balance hole structure for packaging boxes. Background technique [0002] Many large-scale products or experimental equipment need to be placed in packaging boxes during sealed storage or transportation. By controlling environmental cleanliness, temperature, and humidity parameters, the products can be placed in the required environmental requirements to achieve product protection. Some products have strict requirements on the cleanliness of the environment. In order to ensure that the environment in the packaging box is independent and free from external environment interference, the packaging box of products with strict environmental requirements is usually fully sealed during storage or transportation, and the inside of the packaging box is filled with an appropri...

Claims

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Application Information

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IPC IPC(8): B65D43/26
CPCB65D43/26
Inventor 崔寓淏窦仁超刘兴悦孙立臣洪晓鹏
Owner BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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