CN108843118B

CN108843118B - Airtight tent

Info

Publication number: CN108843118B
Application number: CN201810758662.3A
Authority: CN
Inventors: 陈长青; 刘永红; 包睿; 杜向辉; 王斐佩; 张星
Original assignee: Cama (luoyang) Aviation Protective Equipment Co ltd
Current assignee: Cama (luoyang) Aviation Protective Equipment Co ltd
Priority date: 2018-07-11
Filing date: 2018-07-11
Publication date: 2020-10-27
Anticipated expiration: 2038-07-11
Also published as: CN108843118A

Abstract

The invention relates to an airtight tent. The airtight tent comprises a tent cloth assembly and a tent framework, wherein the tent cloth assembly forms a closed inner cavity, the tent framework supports the tent cloth assembly, an air inlet and an air outlet which are communicated with the closed inner cavity are formed in the tent cloth assembly, the tent cloth assembly comprises outer-layer tent cloth arranged on the outer side of the framework and inner-layer tent cloth arranged on the inner side of the framework, and the inner-layer tent cloth and/or the outer-layer tent cloth are fixedly connected with the tent framework. The tent cloth component in the airtight tent comprises an inner layer of tent cloth and an outer layer of tent cloth which are respectively positioned inside and outside a tent framework, the inner layer of tent cloth and/or the outer layer of tent cloth are fixedly connected with the tent framework, when the inner layer of tent cloth positioned inside the tent framework is acted by gas pressure in the tent, the tent framework can generate supporting force on the inner layer of tent cloth, and the outer layer of tent cloth also generates force on the inner layer of tent cloth, so that the connection strength of the tent cloth and the tent framework is enhanced, and the separation of the tent cloth and the tent framework is prevented.

Description

Airtight tent

Technical Field

The invention relates to an airtight tent.

Background

The cultural relics are crystals of labor, intelligence and revolution spirit of ancestors, have important historical and artistic values, and are in the environment without light, oxygen deficiency, humidity and temperature basically unchanged when the cultural relics are deeply buried underground. After the cultural relics are unearthed, the cultural relics are in the air with large changes of illumination, oxygen, microorganisms and temperature and humidity, and various toxic gases which pollute the environment and are corrosive exist in the air. Under the normal condition, many cultural relics (such as colored pottery, cultural relics containing organic matters, bronze wares and the like) are very sensitive to oxygen, deterioration reaction is easy to occur when the cultural relics are exposed to the oxygen, the cultural relics such as terracotta soldiers and the tricolor of Tang dynasty are colored when originally buried underground, the colors are faded away for a short time after the emergence of the soil, and a large number of cultural relics are irreversibly damaged.

Therefore, an airtight tent appears in the prior art, such as a hypoxia tent disclosed in application publication No. CN101514595A, which is essentially equivalent to an airtight tent and mainly comprises an air inlet pump, a tent, an air suction pump and a console, wherein the tent comprises a tent framework and a tent cloth fixed outside the tent framework, the air inlet pump and the air outlet pump are respectively connected with the tent through an air inlet valve and an air suction valve, an oxygen concentration detector is arranged in the tent, and when the oxygen concentration in the tent is higher, the high-pressure hypoxia environment of the tent is maintained through the cooperation of the air inlet pump and the air suction pump. However, the tent cloth of the hypoxic tent is fixed on the outer side of the tent frame, the high-pressure gas in the tent generates a force to the tent cloth to the outer side of the tent, and when the tent is in a high-pressure state for a long time, the high-pressure gas in the tent may separate the tent cloth from the tent frame, which may cause the gas tightness of the hypoxic tent to be deteriorated or even be unusable.

Disclosure of Invention

The invention aims to provide an airtight tent, and aims to solve the problem that in the prior art, tent cloth in the airtight tent is easy to separate from a tent framework, so that the airtightness of the airtight tent is poor.

In order to achieve the purpose, the technical scheme of the airtight tent is as follows:

the utility model provides an airtight tent is including the tent skeleton that forms the tarpaulin subassembly of closed inner chamber and support tarpaulin subassembly, be equipped with on the tarpaulin subassembly with the air inlet and the gas outlet of closed inner chamber intercommunication, the tarpaulin subassembly is including setting up the outer tarpaulin in the skeleton outside and setting up the inlayer tarpaulin at the skeleton inboard, inlayer tarpaulin and/or outer tarpaulin and tent skeleton fixed connection.

The beneficial effects are as follows: the tent cloth component in the airtight tent comprises an inner layer of tent cloth and an outer layer of tent cloth which are respectively positioned inside and outside a tent framework, the inner layer of tent cloth and/or the outer layer of tent cloth are fixedly connected with the tent framework, when the inner layer of tent cloth positioned inside the tent framework is acted by gas pressure in the tent, the tent framework can generate supporting force on the inner layer of tent cloth, and the outer layer of tent cloth also generates force on the inner layer of tent cloth, so that the connection strength of the tent cloth and the tent framework is enhanced, and the separation of the tent cloth and the tent framework is prevented.

Specifically, the inner-layer tarpaulin is fixedly connected with the tent framework and/or the inner-layer tarpaulin is fixedly connected with the outer-layer tarpaulin in a buckling mode.

The beneficial effects are as follows: mode fixedly connected with through the lock joint between inlayer tarpaulin and tent skeleton and/or inlayer tarpaulin and the outer tarpaulin helps realizing the fast assembly tent to installation time can be saved greatly.

Furthermore, the inner-layer tarpaulin and the tent framework are fixedly connected with the inner-layer tarpaulin and the outer-layer tarpaulin in a thread gluing mode.

The beneficial effects are as follows: mode fixedly connected with through the lock joint between inlayer tarpaulin and tent skeleton and inlayer tarpaulin and the outer tarpaulin helps realizing the fast assembly tent to installation time can be saved greatly.

Furthermore, the inner layer tarpaulin is wrapped on the tent framework and fixedly connected with the tent framework through the thread gluing.

The beneficial effects are as follows: the inner-layer tarpaulin and the tent framework can be fixed quickly.

Furthermore, the inner-layer tarpaulin comprises a base layer, and a tensile layer and an airtight layer are sequentially arranged on the base layer from outside to inside.

The beneficial effects are as follows: the base layer, the tensile layer and the airtight layer are sequentially arranged from outside to inside on the inner-layer tarpaulin, so that the air tightness of the inner-layer tarpaulin is enhanced, and meanwhile, the tensile strength of the inner-layer tarpaulin is enhanced.

Furthermore, the outer layer tarpaulin comprises a reflecting layer, a heat insulation layer and a heat insulation layer which are sequentially arranged from outside to inside.

The beneficial effects are as follows: outer tarpaulin includes reflection stratum, heat preservation and insulating layer, has strengthened outer tarpaulin to outside sunshine and thermal isolated ability.

Furthermore, the air inlet and the air outlet are respectively connected with an air inlet electromagnetic valve and an air outlet electromagnetic valve, and the two electromagnetic valves are connected with a controller for controlling the opening and closing of the two electromagnetic valves.

The beneficial effects are as follows: the controller helps to automatically control the tent air in and out.

Further, the solenoid valve admits air and the solenoid valve of giving vent to anger passes through seal structure and is connected with inlayer tarpaulin, seal structure includes that one end penetrates the connecting pipe in the tarpaulin, the one end that the connecting pipe is located the tarpaulin is equipped with the external screw thread section, the part that the connecting pipe is located the tarpaulin outside is equipped with the fender edge with the tarpaulin stopper, the cover is equipped with the sealing washer on the connecting pipe between fender edge and the tarpaulin, seal structure still includes compresses tightly the tarpaulin at the gland nut who keeps off on the edge with the cooperation of external screw thread section.

The beneficial effects are as follows: the solenoid valve passes through mounting structure and installs on the tarpaulin, helps avoiding leading to the problem of tent gas tightness variation because of connecting the solenoid valve.

Furthermore, the tent framework is formed by splicing a plurality of connecting rods through connectors, corresponding through holes are formed in the connectors and the connecting rods inserted with the connectors, and locking pins for fixing the connectors and the connecting rods are inserted in the through holes.

The beneficial effects are as follows: the tent framework is assembled in a splicing mode, and the tent framework is convenient to assemble quickly.

Furthermore, the lock pin is a spring lock pin, the spring lock pin comprises a pin shaft and an elastic buffer part sleeved on the pin shaft, a stopping structure used for stopping and limiting the elastic buffer part is arranged at one end of the pin shaft departing from the plugging direction, and a lock tongue used for preventing the pin from moving axially away from the plugging direction is hinged to the other end of the pin shaft in the plugging direction.

The beneficial effects are as follows: the locking pin is a spring locking pin and is helpful for enhancing the connection strength of the connector and the connecting rod.

Drawings

Fig. 1 is a schematic structural view of an airtight tent according to the present invention;

fig. 2 is a schematic structural view of a tent framework;

FIG. 3 is a schematic structural view of a first straight rod;

FIG. 4 is a schematic view of an arcuate rod;

FIG. 5 is a schematic structural view of a first joint;

FIG. 6 is a schematic structural view of a second joint;

FIG. 7 is a schematic structural view of a third joint;

FIG. 8 is a schematic structural view of a fourth joint;

FIG. 9 is a schematic view of a spring lock pin;

FIG. 10 is a schematic structural view of a grounding pin;

FIG. 11 is a schematic view of the straight rods after connection;

fig. 12 is a schematic view of the first straight rod connected to the ground pin;

fig. 13 is a schematic view showing a state where the tent frame is connected to the tent cloth;

FIG. 14 is a schematic view showing a state where an inner tarpaulin is connected to a straight bar;

FIG. 15 is a schematic view showing a state in which an outer tarpaulin and an inner tarpaulin are connected;

FIG. 16 is a schematic diagram of the air intake circuit and control system;

FIG. 17 is a schematic structural view of a seal structure;

FIG. 18 is an exploded view of the seal structure;

in the drawings: 1. a first straight rod; 2. a second straight rod; 3. a third straight rod; 4. a fourth straight rod; 5. an arcuate bar; 51. a through hole; 6. a first joint; 61. a through hole; 7. a second joint; 71. a through hole; 8. a third joint; 81. a through hole; 9. a fourth joint; 91. a through hole; 10. a spring lock pin; 101. a pin shaft; 102. a spring; 103. a latch bolt; 104. a pull ring; 11. a ground pin; 111. a through hole; 12. a tarpaulin assembly; 121. a door; 122. an airtight zipper; 13. an air intake line; 131. a manual air intake valve; 132. an electromagnetic flow valve; 133. a pressure gauge; 134. a safety valve; 135. a pressure gauge; 14. a control system; 141. a pressure sensor; 142. an oxygen purity analyzer; 15. an outer layer tarpaulin; 16. an inner layer tarpaulin; 17. an electromagnetic gas outlet valve; 18. a safety valve; 19. a sealing structure; 191. a compression nut; 192. a seal ring; 193. and (4) connecting the pipes.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

First embodiment of the airtight tent of the present invention, as shown in fig. 1 to 18, includes a tent frame which forms a closed inner cavity and supports a tent cloth assembly 12. The tent cloth assembly includes an inner tent cloth 16 and an outer tent cloth 15, which are respectively disposed at the inner side and the outer side of the tent frame. The airtight tent also comprises an air inlet pipeline communicated with the closed inner cavity of the airtight tent, and the air inlet pipeline is connected with a control system for controlling the air inlet pipeline.

The tent framework is a structure with a rectangular lower side and an arc upper side, and is formed by splicing a plurality of components in an inserting mode. The components forming the tent framework comprise a first straight rod 1, a second straight rod 2, a third straight rod 3, a fourth straight rod 4, an arc-shaped rod 5 and joints connected among the rods, wherein the joints comprise a first joint 6, a second joint 7, a third joint 8 and a fourth joint 9. The first straight rod 1, the second straight rod 2, the third straight rod 3 and the fourth straight rod 4 can be made of light high-rigidity materials such as steel, aluminum alloy, glass fiber reinforced plastic and the like; the arc-shaped rod 5 can be made of light high-rigidity materials such as steel, aluminum alloy, glass fiber reinforced plastics and the like; the first joint 6, the second joint 7, the third joint 8 and the fourth joint 9 are made of steel materials. The two ends of the first straight rod 1, the second straight rod 2, the third straight rod 3 and the fourth straight rod 4 are provided with through holes 111 penetrating through the rod body, and the two ends of the arc-shaped rod 5 are also provided with through holes 111 penetrating through the rod body. The first joint 6 is in a cross-shaped structure, four end parts of the cross-shaped first joint 6 are all in a tubular structure, the end part of the straight rod can be inserted into a pipe at one end of the joint, and the tubular end part of the joint is provided with a through hole 61 penetrating through the through hole 111 in the straight rod. The second joint 7 is of a T-shaped structure, three end parts of the T-shaped joint are all of tubular structures, and through holes 71 are formed in the tubular structures. The third joint 8 is provided with two vertically arranged tubular structures, the central lines of the two vertically arranged tubular structures are positioned on the same straight line, two tubular structures extending in the horizontal direction are arranged in the middle of the two vertical tubular structures, and the two tubular structures form an included angle of 90 degrees. The fourth joint 9 has two tubular structures, and a certain included angle is formed between the two tubular structures, and the included angle is an obtuse angle. Referring to fig. 2, each straight rod, each arc-shaped rod 5 and each connector are inserted to form the tent framework in the embodiment. In order to enhance the stability of the inserting position, in this embodiment, after the connector is inserted into the straight rod or the connector is inserted into the arc-shaped rod 5 and the through hole corresponds to the through hole, the spring lock pin 10 is inserted into the through hole, the spring lock pin 10 includes a pin 101 and an elastic buffer member sleeved on the pin 101, the elastic buffer member in this embodiment is a spring 102, a stopping structure for stopping and limiting the elastic buffer member is arranged at one end of the pin 101 away from the inserting direction, a lock tongue 103 for preventing the pin 101 from moving away from the inserting direction is hinged at one end of the pin 101 in the inserting direction, and a pull ring 104 is arranged at one end of the pin away from the lock tongue. Meanwhile, in order to enhance the fixing strength of the airtight tent on the ground, the lower side of the tent framework is connected with a grounding pin 11 in an inserting mode, the lower end of the grounding pin 11 is a pin body, and the upper end of the grounding pin is provided with a through hole 111 for the spring lock pin 10 to pass through. It should be noted that, in this embodiment, the surfaces of the tent framework are transited through smooth arc surfaces, so that the tent framework has no pointed structure, which avoids the occurrence of damage to the tent cloth covered on the tent framework due to the presence of the pointed structure.

The outer layer tarpaulin 15 is composed of three layers, the outmost layer is aluminum foil glass fiber composite woven cloth for reflecting sunlight, the middle layer is rock wool for preserving heat, and the inner layer is polyester woven canvas for insulating heat. The outer layer tarpaulin is limited by the width of the processing equipment, has the width limitation, and is formed by splicing the tarpaulin blocks. The outer-layer tarpaulin 15 is provided with an arc-shaped door on the end face, the door is made of the same material as the outer-layer tarpaulin 15, and the door is connected with the outer-layer tarpaulin 15 through a zipper. The outermost aluminum foil glass fiber composite woven cloth of the outer-layer tarpaulin 15 achieves the purpose of light reflection on the tarpaulin, so that the absorption capacity of the tarpaulin to light is reduced, and the coefficient of heat conduction of the middle rock wool layer is low, so that the tarpaulin has a good heat preservation effect.

The inner tarpaulin 16 comprises a base layer, and a tensile layer and an airtight layer are sequentially arranged on the base layer from outside to inside. Specifically, the inner tarpaulin 16 has a base layer made of PE material, a tensile layer made of nylon, and an airtight layer made of PVDC. The inner tarpaulin 16 is made by co-extruding three layers of PVDC, PE and nylon. The inner layer tarpaulin 16 has width limitation due to width limitation of processing equipment, the inner layer tarpaulin 16 is formed by splicing a plurality of tarpaulins in a lap joint mode, and the processing technology is heat seal to ensure the airtightness and the connection strength of the tarpaulin. The inner layer tarpaulin 16 is provided with an arc-shaped door on the end surface, the door material is the same as that of the inner layer tarpaulin 16, and the door and the tarpaulin are connected by an airtight zipper.

The end of the air inlet pipeline is provided with an air inlet connected with an air source, and the air inlet pipeline between the air inlet and the tent is sequentially connected with a manual air inlet valve 131, a pressure gauge 135, an electromagnetic flow valve 132, a pressure gauge 133 and a safety valve 134 in series. The manual air inlet valve 131 can control air in the air source to enter the air inlet pipeline, and meanwhile, the air source can be replaced more conveniently by closing the manual air inlet valve 131. Pressure gauge 135 may monitor the pressure of the air supply at the time of air admission, solenoid flow valve 132 may control the amount of air admitted to the tent, pressure gauge 133 may monitor the pressure within the tent, and when the pressure within the tent is too high, pressure may be relieved through relief valve 134. An electromagnetic air outlet valve 17 and a safety valve 18 which are communicated with the inner closed space of the tent are respectively connected to the tent. The air inlet pipeline is also provided with a control system 14 for controlling the air inlet pipeline, the control system 14 is in signal connection with the electromagnetic flow valve 132 and the electromagnetic air outlet valve 17, the control system also comprises a PLC (logic controller), the logic controller is also connected with an oxygen purity analyzer 142 positioned in the tent, and the logic controller is also connected with a pressure sensor 141. In the embodiment, the electromagnetic air outlet valve 17 and the air inlet pipeline are connected with the inner-layer tarpaulin 16 through the sealing structure 19, the sealing structure 19 comprises a connecting pipe 193 penetrating through the inner-layer tarpaulin 16, one end, penetrating through the inner-layer tarpaulin 16, of the connecting pipe 193 is provided with an external thread section, a blocking edge for blocking the inner-layer tarpaulin is arranged on the part, located on the outer side of the inner-layer tarpaulin 16, of the connecting pipe 193, a sealing ring 192 is sleeved on the external thread section between the blocking edge and the inner-layer tarpaulin 16, a compression nut 191 is installed on the external thread of the connecting pipe 193, and the inner-layer tarpaulin 16 is compressed on the connecting pipe.

When the airtight tent is used, firstly, a tent framework is assembled, an inner layer tarpaulin 16 and an outer layer tarpaulin 15 are installed, then, an air inlet pipeline communicated with a closed space in the tent is connected to the inner layer tarpaulin 16, a manual air inlet valve 131 on the air inlet pipeline is adjusted to control the pressure to be 0.2-0.3 MPa, and the pressure is filled into the closed space in the tent to 1 KPa. Control system makes the inside and outside pressure differential of enclosure space in the tent remain stable, and oxygen concentration is less than the specified value all the time in the control tent, because ambient temperature changes, when the inside and outside pressure differential of tent changes, when pressure differential is greater than 8KPa, outside exhaust is opened to electromagnetism air outlet valve 17, when pressure differential is less than 1KPa, electromagnetism flow valve 132 opens, the air inlet pipe way is with the air supply pressure of 0.2~0.3MPa, it is 99.9% nitrogen gas to inject into the tent into purity. When the oxygen purity analyzer 142 detects that the oxygen concentration in the tent is higher than a specified value, the electromagnetic flow valve 132 and the electromagnetic gas outlet valve 17 are opened, the nitrogen bottle injects nitrogen with the purity of 99.9% into the tent under the gas source pressure of 0.2-0.3 MPa, and the replacement of the oxygen in the tent is started; when the oxygen concentration is lower than the specified value, the electromagnetic air outlet valve 17 is closed, and when the pressure in the tent is higher than 1KPa and the oxygen concentration is lower than the specified value, the electromagnetic flow valve 132 is closed. When the nitrogen cylinder connected with the air inlet of the air inlet pipeline needs to be replaced, the manual air inlet valve is closed, and then the nitrogen cylinder is replaced.

The second embodiment of the airtight tent of the present invention is different from the first embodiment of the airtight tent in that the inner layer tarpaulin and the outer layer tarpaulin in the present embodiment are both fixedly connected to the tent frame, in other embodiments, the outer layer tarpaulin is fixedly connected to the tent frame, and the others are the same as the first embodiment and will not be described again.

The third specific embodiment of the airtight tent of the present invention is different from the first specific embodiment of the airtight tent in that the inner layer tarpaulin in the present embodiment may be fixedly connected to the tent frame in a hidden button manner, and the inner layer tarpaulin may also be fixedly connected to the outer layer tarpaulin in a hidden button manner. The rest is the same as the first embodiment, and is not described again.

Claims

1. An airtight tent characterized in that: the tent comprises a tarpaulin component forming a closed inner cavity and a tent framework supporting the tarpaulin component, wherein the tarpaulin component is provided with an air inlet and an air outlet which are communicated with the closed inner cavity, the tarpaulin component comprises an outer layer tarpaulin arranged on the outer side of the framework and an inner layer tarpaulin arranged on the inner side of the framework, and the inner layer tarpaulin and/or the outer layer tarpaulin are fixedly connected with the tent framework; the inner-layer tarpaulin comprises a base layer, wherein a tensile layer and an airtight layer are arranged on the base layer, and the base layer, the tensile layer and the airtight layer are sequentially arranged from outside to inside; inner layer tarpaulin is receiving gas pressure effect time spent in the tent, and the tent skeleton can produce the holding power to inner layer tarpaulin, and outer tarpaulin also produces the effect of power to inner layer tarpaulin.

2. The airtight tent of claim 1, wherein: the inner-layer tarpaulin is fixedly connected with the tent framework and/or the inner-layer tarpaulin is fixedly connected with the outer-layer tarpaulin in a fastening mode.

3. The airtight tent of claim 2, wherein: the inner layer tarpaulin is wrapped on the tent framework and fixedly connected with the tent framework through the thread gluing.

4. The airtight tent as claimed in any one of claims 1 to 3, wherein: the outer-layer tarpaulin comprises a reflecting layer, a heat-insulating layer and a heat-insulating layer which are sequentially arranged from outside to inside.

5. The airtight tent as claimed in any one of claims 1 to 3, wherein: the air inlet and the air outlet are respectively connected with an air inlet electromagnetic valve and an air outlet electromagnetic valve, and the two electromagnetic valves are connected with a controller for controlling the opening and closing of the two electromagnetic valves.

6. The airtight tent of claim 5, wherein: the utility model discloses a tarpaulin, including tarpaulin, inlet solenoid valve, seal structure, connecting pipe, sealing structure, the solenoid valve of admitting air and the solenoid valve of giving vent to anger pass through seal structure and inner tarpaulin and are connected, seal structure includes that one end penetrates the connecting pipe in the tarpaulin, the one end that the connecting pipe is located the tarpaulin is equipped with the external screw thread section, the part that the connecting pipe is located the tarpaulin outside is equipped with the fender edge with the tarpaulin stopper, the fender edge is equipped with the sealing washer on the connecting pipe between and the tarpaulin, seal structure still.

7. The airtight tent as claimed in any one of claims 1 to 3, wherein: the tent framework is formed by splicing a plurality of connecting rods through connectors, corresponding through holes are formed in the connectors and the connecting rods inserted with the connectors, and lock pins for fixing the connectors and the connecting rods are inserted in the through holes.

8. The airtight tent of claim 7, wherein: the locking pin is a spring locking pin, the spring locking pin comprises a pin shaft and an elastic buffer part sleeved on the pin shaft, a stopping structure used for stopping and limiting the elastic buffer part is arranged at one end of the pin shaft deviating from the plugging direction, and a lock tongue used for preventing the pin shaft from moving in the plugging direction in the axial direction is hinged to the other end of the pin shaft in the plugging direction.