CN111361852A - Automatic open-type air pressure balance hole structure for packing box - Google Patents
Automatic open-type air pressure balance hole structure for packing box Download PDFInfo
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- CN111361852A CN111361852A CN202010185869.3A CN202010185869A CN111361852A CN 111361852 A CN111361852 A CN 111361852A CN 202010185869 A CN202010185869 A CN 202010185869A CN 111361852 A CN111361852 A CN 111361852A
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- air pressure
- packing box
- ratchet
- pressure balance
- support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/26—Mechanisms for opening or closing, e.g. pedal-operated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses an automatic opening type air pressure balance hole structure for a packing box, which comprises an air pressure balance hole baffle, a clamping mechanism, a special-shaped cam, a support, a pressure safety valve, a ratchet wheel limiting mechanism and a packing box air pressure balance opening, wherein the support is arranged at the top of the packing box air pressure balance opening. According to the invention, the ratchet limiting mechanism is rotated rightwards under the condition of left limiting of the ratchet limiting mechanism, the air pressure balancing hole baffle can tightly press the air pressure balancing opening of the packing box, when the pressure in the packing box exceeds the preset pressure, the pressure relief ejector rod on the pressure safety valve can push the pawl away from the ratchet, so that the ratchet limiting mechanism is limited to the non-left limiting state from the left, the internal pressure of the packing box can promote the air pressure balancing hole baffle to be lifted upwards, and the air in the packing box can be discharged through the gap between the air pressure balancing opening of the packing box and the air pressure balancing hole baffle, so that the non-electric control automatic opening function of the air pressure balancing opening of the packing box is realized, the risk of accidental explosion of.
Description
Technical Field
The invention relates to the technical field of large-scale equipment positive pressure packaging box sealing and storage transportation, in particular to an automatic opening type air pressure balance hole structure for a packaging box.
Background
Many large-scale products or experimental facilities need to be placed in the packing box in the sealed preservation or transportation process, and through control environment cleanliness factor, temperature, humidity ability parameter, make the product be in required environmental requirement, reach and carry out the guard action to the product. In order to ensure that the environment in the packing box is independent and is not interfered by the external environment, the packing box of the product with the strict environment requirement is sealed or transported in a full-sealing mode, and a proper amount of protective gas is filled in the packing box to ensure that the packing box is in positive pressure, so that the independent internal environment is ensured and the excess materials can be prevented from entering the box.
However, the higher the pressure value in the packing box is, the better the pressure value is, the positive pressure bearing capacity of the packing box needs to be considered, if the pressure is too high, the box body can be cracked or even exploded, and each packing box has a rated use pressure range. Therefore, in the process of pressure overrun or air transportation of the packing box, the air pressure balance hole of the packing box needs to be opened, the air pressure in the box is released, the box body and products are protected, and danger is prevented. In the past, the air pressure balance hole is opened manually, the opening process is long in time consumption, and the operation is complicated. Similarly, the pressure changes due to the changes of parameters such as atmospheric pressure, temperature, altitude, etc., so that the manual opening mode needs to be pre-determined in advance, and if the manual opening mode is not started in time or no person is present, the risk of accidents still exists.
Disclosure of Invention
The invention aims to: in order to solve the problem that the traditional method needs manual work to participate in regulation when regulating the internal pressure of the packing box and is difficult to realize automatic balance regulation of the internal pressure of the packing box, the automatic open type air pressure balance hole structure for the packing box is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a packing box is with automatic open-type atmospheric pressure balance hole structure, includes atmospheric pressure balance hole baffle, clamping mechanism, abnormal shape cam, support, pressure relief valve, ratchet stop gear and packing box atmospheric pressure balance mouth, the top of packing box atmospheric pressure balance mouth is provided with the support, and the outer terminal surface top fixedly connected with multiunit of support is the L type frame that the annular array distributes to clamping mechanism is all installed to multiunit L type frame vertical end inboard, one side fixedly connected with that clamping mechanism is close to the support is horizontal distribution's thimble, the outer terminal surface mid-mounting of support has pressure relief valve, the top of support is located clamping mechanism's below and installs abnormal shape cam, abnormal shape cam up end mid-mounting has ratchet stop gear, the inboard slip of support has atmospheric pressure balance hole baffle.
As a further description of the above technical solution:
the air pressure balance hole baffle is of a disc-shaped structure, and the air pressure balance hole baffle is in clearance fit with the support.
As a further description of the above technical solution:
and a sealing ring is embedded in the periphery of the bottom of the air pressure balance hole baffle.
As a further description of the above technical solution:
the outside fixedly connected with of clamping mechanism runs through the fixed gag lever post of L type frame, and wherein the inside of L type frame is located the outside of fixed gag lever post and has seted up trompil on the support.
As a further description of the above technical solution:
the top of support is located the below of abnormal shape cam and installs the support guide rail that the multiunit is annular array and distributes, and the up end of multiunit support guide rail all laminates with the lower terminal surface of abnormal shape cam each other.
As a further description of the above technical solution:
the ratchet limiting mechanism is composed of a ratchet, a torsion spring rotating shaft and a pawl, the ratchet is arranged in the middle of the inner side of the ratchet limiting mechanism, and the pawl is rotatably connected to one side, close to the ratchet, of the ratchet limiting mechanism through the torsion spring rotating shaft.
As a further description of the above technical solution:
the outside fixedly connected with handle of ratchet stop gear, the tail end outside cover of handle is equipped with the rubber sleeve.
As a further description of the above technical solution:
and a pressure relief ejector rod is arranged at one side of the inner end of the pressure relief valve, which is close to the pawl.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, when the packing box needs to be sealed, the ratchet wheel limiting mechanism is rotated through the handle to drive the special-shaped cam to rotate rightwards, the pawl can be meshed with the ratchet wheel under the action of the torsional force of the torsional spring rotating shaft, the special-shaped cam can gradually extrude the ejector pins of the clamping mechanisms, the multiple groups of clamping mechanisms can simultaneously rotate towards the support to force the clamping mechanisms to downwards extrude the air pressure balancing hole baffle, the clamping mechanisms cannot rebound under the action of the left-rotation limiting of the ratchet wheel limiting mechanism, and when the sealing ring at the bottom of the air pressure balancing hole baffle is tightly attached to the air pressure balancing opening of the packing box, the manual sealing treatment of the air pressure balancing opening of the packing box is realized.
2. In the invention, an automatic opening type air pressure balance structure is adopted, when the pressure in the packing box exceeds the preset pressure, the pressure relief ejector rod on the pressure safety valve can push the pawl away from the ratchet wheel, so that the ratchet wheel limiting mechanism is limited to the non-left limiting position from the left side, when the ratchet wheel limiting mechanism has no left-hand limiting position, at the moment, the ratchet wheel limiting mechanism can not restrict the special-shaped cam to rotate leftwards, and further can not restrict the air pressure balance hole baffle, because the internal pressure of the packing box is high, the internal pressure of the packing box can promote the baffle plate of the air pressure balance hole to lift up, when the sealing ring on the air pressure balance hole baffle is separated from the air pressure balance opening of the packing box, the air in the packing box can be discharged through the air pressure balance opening of the packing box and the gap of the air pressure balance hole baffle, thereby realized that packing box atmospheric pressure balance mouth does not have the automatic function of opening of electronic control, reduced the unexpected risk of exploding of packing box to the security of packing box transportation has been promoted.
Drawings
FIG. 1 illustrates a perspective view provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates a top view of a clamping mechanism provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a perspective view of a profiled cam provided in accordance with an embodiment of the present invention;
FIG. 4 illustrates a perspective view of a clamping mechanism provided in accordance with an embodiment of the present invention;
FIG. 5 illustrates a perspective view of a stent provided in accordance with an embodiment of the present invention;
FIG. 6 illustrates a bottom view of a gas pressure balance hole baffle provided in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view showing a connection structure of a baffle plate with an air pressure balancing hole and an air pressure balancing opening of a packing box according to an embodiment of the invention;
FIG. 8 illustrates a cross-sectional view of a ratchet spacing mechanism provided in accordance with an embodiment of the present invention.
Illustration of the drawings:
1. a gas pressure balance hole baffle; 2. a clamping mechanism; 3. a special-shaped cam; 4. a support; 5. a pressure relief valve; 501. a pressure relief ejector rod; 6. a ratchet wheel limiting mechanism; 601. a ratchet wheel; 602. a torsion spring rotating shaft; 603. a pawl; 7. a handle; 8. fixing a limiting rod; 9. a thimble; 10. the bracket is provided with a hole; 11. a bracket guide rail; 12. a seal ring; 13. the packing box air pressure balance mouth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-8, the present invention provides a technical solution: an automatic opening type air pressure balance hole structure for a packing box comprises an air pressure balance hole baffle 1, a clamping mechanism 2, a special-shaped cam 3, a support 4, a pressure safety valve 5, a ratchet wheel limiting mechanism 6 and a packing box air pressure balance hole 13, wherein the support 4 is arranged at the top of the air pressure balance hole 13 of the packing box, a plurality of groups of L-shaped frames distributed in an annular array are fixedly connected to the top of the outer end face of the support 4, the clamping mechanism 2 is respectively arranged at the inner sides of the vertical ends of the L-shaped frames, one side, close to the support 4, of the clamping mechanism 2 is fixedly connected with ejector pins 9 distributed horizontally, the pressure safety valve 5 is arranged in the middle of the outer end face of the support 4, the special-shaped cam 3 is arranged at the top of the support 4 below the clamping mechanism 2, the ratchet wheel limiting mechanism 6 is arranged in the middle of the upper end face of the, can trigger clamping mechanism 2 and lift up or fall down, air pressure balance hole baffle 1 and the balanced mouthful 13 separation of packing box air pressure when clamping mechanism 2 lifts up, and air pressure balance hole baffle 1 and the balanced mouthful 13 contact of packing box air pressure when clamping mechanism 2 falls down to realize sealed.
Example 2
Specifically, as shown in fig. 1, fig. 6 and fig. 7, the air pressure balance hole baffle 1 is a disc-shaped structure, and the air pressure balance hole baffle 1 and the support 4 are in clearance fit, the selection of clearance fit mode, the inside gas of packing box of being convenient for is discharged through the space between the air pressure balance hole baffle 1 and the support 4, the bottom periphery of the air pressure balance hole baffle 1 is embedded with a sealing ring 12, the setting of the sealing ring 12 promotes the leakproofness of being connected between the air pressure balance hole baffle 1 and the support 4.
Example 3
Specifically, as shown in fig. 1, 2, 4 and 5, a fixed limit rod 8 penetrating through the L-shaped frame is fixedly connected to the outside of the clamping mechanism 2, wherein, the inner part of the L-shaped frame is positioned at the outer side of the fixed limiting rod 8 and is provided with a support upper opening 10, the fixed limiting rod 8 and the support upper opening 10 are arranged, which is convenient for the installation processing between the clamping mechanism 2 and the L-shaped frame on the support 4, meanwhile, the vertical rotation adjustment and the limiting treatment of the clamping mechanism 2 are convenient, a plurality of groups of bracket guide rails 11 distributed in an annular array are arranged at the top end of the bracket 4 below the special-shaped cam 3, the upper end surfaces of the plurality of groups of bracket guide rails 11 are mutually attached with the lower end surface of the special-shaped cam 3, the arrangement of the bracket guide rails 11 reduces the contact force between the special-shaped cam 3 and the bracket 4, thereby being convenient for the rotation of the special-shaped cam 3 on the bracket 4 and simultaneously improving the stability of the rotation adjustment of the special-shaped cam 3 on the bracket 4.
Example 4
Specifically, as shown in fig. 1, 3 and 8, the ratchet limiting mechanism 6 is composed of a ratchet 601, a torsion spring rotating shaft 602 and a pawl 603, the ratchet 601 is installed in the middle of the inner side of the ratchet limiting mechanism 6, one side of the ratchet limiting mechanism 6, which is close to the ratchet 601, is rotatably connected with the pawl 603 through the torsion spring rotating shaft 602, a handle 7 is fixedly connected to the outside of the ratchet limiting mechanism 6, a rubber sleeve is sleeved outside the tail end of the handle 7, a pressure relief ejector rod 501 is installed at one side, which is close to the pawl 603, of the inner end of the pressure relief valve 5, the handle 7 is convenient to rotate when the ratchet limiting mechanism 6 is manually operated, meanwhile, the contact friction force of the handle 7 is improved due to the arrangement of the rubber sleeve, so that an operator can conveniently hold and operate the handle 7, the arrangement of the pressure relief ejector rod 501 can trigger the pawl 603 to be.
The working principle is as follows: when in use, the support 4 is integrally arranged outside the air pressure balance opening 13 of the packing case, the pressure safety valve 5 is communicated with the packing case, the ratchet wheel limiting mechanism 6 is driven to rotate left by rotating the handle 7, the pawl 603 is mutually occluded with the ratchet wheel 601 under the action of the torsional force of the torsional spring rotating shaft 602, the special-shaped cam 3 rotates left, meanwhile, the outer wall of the special-shaped cam 3 gradually extrudes the thimble 9 of the clamping mechanism 2, the multiple groups of clamping mechanisms 2 rotate inwards along with the thimble, so as to drive the air pressure balance hole baffle plate 1 to descend, when the sealing ring 12 at the bottom of the air pressure balance hole baffle plate 1 contacts and extrudes the air pressure balance opening 13 of the packing case, the manual sealing treatment of the air pressure balance opening 13 of the packing case is completed, thereby realizing the internal and external sealing isolation of the packing case, and carrying out the transportation treatment of the packing case, when the pressure in the packing case, the pressure relief mandril 501 on the pressure relief valve 5 can push the pawl 603 away from the ratchet 601, the ratchet 601 can lose the limiting effect of the pawl 603, the ratchet limiting mechanism 6 can be switched from left limiting to non-left limiting, when the ratchet limiting mechanism 6 has no left-hand limiting, the ratchet limiting mechanism 6 can not restrict the special-shaped cam 3 to rotate left, and further can not restrict the air pressure balance hole baffle plate 1, because the internal pressure of the packing box is high, the internal pressure of the packing box can promote the air pressure balance hole baffle plate 1 to lift up, the extrusion force between the special-shaped cam 3 and the thimble 9 on the clamping mechanism 2 can be gradually reduced, when the sealing ring 12 on the air pressure balance hole baffle plate 1 is separated from the air pressure balance hole 13 of the packing box, the air in the packing box can be discharged through the air pressure balance hole 13, thereby realizing the non-electric control automatic opening processing of the air pressure balance hole 13 of the packing box, and reducing, thereby improving the safety of the transportation of the packing box.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. An automatic opening type air pressure balance hole structure for a packing box comprises an air pressure balance hole baffle (1), a clamping mechanism (2), a special-shaped cam (3), a support (4), a pressure safety valve (5), a ratchet wheel limiting mechanism (6) and a packing box air pressure balance opening (13), and is characterized in that the support (4) is arranged at the top of the air pressure balance opening (13) of the packing box, a plurality of groups of L-shaped frames distributed in an annular array are fixedly connected to the top of the outer end face of the support (4), the clamping mechanism (2) is arranged on the inner sides of the vertical ends of the L-shaped frames, ejector pins (9) distributed horizontally are fixedly connected to one side, close to the support (4), of the clamping mechanism (2), the pressure safety valve (5) is arranged in the middle of the outer end face of the support (4), the special-shaped cam (3) is arranged below the clamping mechanism (2) at, ratchet stop gear (6) are installed to abnormal shape cam (3) up end mid-mounting, the inboard slip of support (4) has atmospheric pressure balance hole baffle (1).
2. The automatic opening type air pressure balancing hole structure for the packing box according to claim 1, wherein the air pressure balancing hole baffle (1) is of a disc-shaped structure, and the air pressure balancing hole baffle (1) is in clearance fit with the bracket (4).
3. The automatic opening type air pressure balancing hole structure for the packing box according to claim 2, characterized in that a sealing ring (12) is embedded in the periphery of the bottom of the air pressure balancing hole baffle (1).
4. The automatic open type air pressure balance hole structure for the packing box according to claim 1, characterized in that the outer part of the clamping mechanism (2) is fixedly connected with a fixed limiting rod (8) penetrating through an L-shaped frame, wherein the inner part of the L-shaped frame is positioned at the outer side of the fixed limiting rod (8) and is provided with a support upper opening (10).
5. The automatic opening type air pressure balancing hole structure for the packing box according to claim 1, wherein a plurality of groups of support guide rails (11) distributed in an annular array are installed at the top end of the support (4) below the special-shaped cam (3), and the upper end surfaces of the plurality of groups of support guide rails (11) are mutually attached to the lower end surface of the special-shaped cam (3).
6. The automatic open type air pressure balance hole structure for the packing box according to claim 1, wherein the ratchet limiting mechanism (6) is composed of a ratchet (601), a torsion spring rotating shaft (602) and a pawl (603), the ratchet (601) is installed in the middle of the inner side of the ratchet limiting mechanism (6), and the pawl (603) is rotatably connected to one side, close to the ratchet (601), of the inner portion of the ratchet limiting mechanism (6) through the torsion spring rotating shaft (602).
7. The automatic opening type air pressure balance hole structure for the packing box according to claim 6, wherein a handle (7) is fixedly connected to the outside of the ratchet wheel limiting mechanism (6), and a rubber sleeve is sleeved on the outside of the tail end of the handle (7).
8. The structure of automatically opening air pressure balance hole for packing box according to claim 6 is characterized in that the inner end of said pressure safety valve (5) near the pawl (603) is installed with a pressure relief push rod (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010185869.3A CN111361852B (en) | 2020-03-17 | 2020-03-17 | Automatic open-type air pressure balance hole structure for packing box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010185869.3A CN111361852B (en) | 2020-03-17 | 2020-03-17 | Automatic open-type air pressure balance hole structure for packing box |
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| CN111361852A true CN111361852A (en) | 2020-07-03 |
| CN111361852B CN111361852B (en) | 2021-07-06 |
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| CN202010185869.3A Active CN111361852B (en) | 2020-03-17 | 2020-03-17 | Automatic open-type air pressure balance hole structure for packing box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348659A (en) * | 2021-12-15 | 2022-04-15 | 安徽精菱玻璃机械有限公司 | Guide assembly for conveying large parts and large part transfer device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6595716B1 (en) * | 2000-09-15 | 2003-07-22 | Delaware Capital Formation, Inc. | Cam lever assembly for manhole center |
| JP2004217245A (en) * | 2003-01-14 | 2004-08-05 | Mitani Valve Co Ltd | Mixed ejection mechanism for container content |
| CN101566278A (en) * | 2008-04-25 | 2009-10-28 | 斯必克工业技术研究开发(上海)有限公司 | Automatic exhaust device |
| CN202156631U (en) * | 2011-06-24 | 2012-03-07 | 山东常青树化工有限公司 | Sealing cap capable of regulating pressure |
| CN106586316A (en) * | 2017-02-08 | 2017-04-26 | 泰州市存中机械厂 | Integrated manhole assembly |
| CN107366826A (en) * | 2017-08-01 | 2017-11-21 | 阜阳安固锅炉压力容器制造有限公司 | A kind of pressure vessel and its method of work with pressure-regulating device |
| CN108190283A (en) * | 2018-01-13 | 2018-06-22 | 东北石油大学 | A kind of urgent balancing device of storage tank abnormal pressure |
| CN108895160A (en) * | 2018-07-20 | 2018-11-27 | 盐城市大明化工机械有限公司 | A kind of pressure vessel of pressure adjustable |
| CN208828519U (en) * | 2018-10-09 | 2019-05-07 | 上华电气有限公司 | A kind of hinge type pressure relief cover plate |
-
2020
- 2020-03-17 CN CN202010185869.3A patent/CN111361852B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6595716B1 (en) * | 2000-09-15 | 2003-07-22 | Delaware Capital Formation, Inc. | Cam lever assembly for manhole center |
| JP2004217245A (en) * | 2003-01-14 | 2004-08-05 | Mitani Valve Co Ltd | Mixed ejection mechanism for container content |
| CN101566278A (en) * | 2008-04-25 | 2009-10-28 | 斯必克工业技术研究开发(上海)有限公司 | Automatic exhaust device |
| CN202156631U (en) * | 2011-06-24 | 2012-03-07 | 山东常青树化工有限公司 | Sealing cap capable of regulating pressure |
| CN106586316A (en) * | 2017-02-08 | 2017-04-26 | 泰州市存中机械厂 | Integrated manhole assembly |
| CN107366826A (en) * | 2017-08-01 | 2017-11-21 | 阜阳安固锅炉压力容器制造有限公司 | A kind of pressure vessel and its method of work with pressure-regulating device |
| CN108190283A (en) * | 2018-01-13 | 2018-06-22 | 东北石油大学 | A kind of urgent balancing device of storage tank abnormal pressure |
| CN108895160A (en) * | 2018-07-20 | 2018-11-27 | 盐城市大明化工机械有限公司 | A kind of pressure vessel of pressure adjustable |
| CN208828519U (en) * | 2018-10-09 | 2019-05-07 | 上华电气有限公司 | A kind of hinge type pressure relief cover plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114348659A (en) * | 2021-12-15 | 2022-04-15 | 安徽精菱玻璃机械有限公司 | Guide assembly for conveying large parts and large part transfer device |
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| CN111361852B (en) | 2021-07-06 |
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