CN208456253U - A kind of summer outdoor travel tent cooling device based on throttling expansion effect - Google Patents

Abstract

The utility model relates to travel goods technical field more particularly to a kind of summer outdoor travel tent cooling devices based on throttling expansion effect.The problem of the technical problems to be solved in the utility model is in summer, and outdoor air is more hot, and the temperature in tent is also higher, influences people's comfort.In order to solve the above-mentioned technical problem, the utility model provides such a summer outdoor travel tent cooling device based on throttling expansion effect, including fixed block, there are four skeletons for the equidistant flexible connection in the outside of the fixed block, the outside of four skeletons passes through band and is fixedly connected with tent cloth, top cover is fixedly connected at the top of the fixed block, the top of the top cover and the middle part of tent cloth inner roof wall overlap.The utility model is based on throttling expansion effect, can make the air natural cooling of tent inside, can keep the temperature of tent inside in a certain range, to improve the comfort used, be convenient for people to use.

Description

A kind of summer outdoor travel tent cooling device based on throttling expansion effect

Technical field

The utility model relates to travel goods technical field more particularly to a kind of summer based on throttling expansion effect are outdoor Travelling tent cooling device.

Background technique

With the continuous development of social life, the horizontal continuous raising of people's lives, more and more people pursue experience Beauty of nature, has been weary of the life in city, and especially in summer, outdoor with fresh air, scenic, more and more people are added Into outdoor troop, in order to cover wind and rain and daylight, tent is a kind of one of essential equipment when encamping outdoors, existing Some tents are usually to be sewed with retractable bracket plus canvas or waterproof cloth, carry, transport and install and all compare Convenience, but in summer, outdoor air is more hot, and the temperature in tent is also higher, and present tent do not have from The function of dynamic cooling, influences the comfort of people, brings certain inconvenience, and it is swollen based on throttling that we have proposed one kind thus The summer outdoor travel tent cooling device of swollen effect.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of summer outdoor travel based on throttling expansion effect Tent cooling device, has the advantages of automatic cooling, solves in summer, and outdoor air is more hot, the temperature in tent Also higher, and present tent does not have the function of cooling down automatically, influences the comfort of people, brings certain inconvenience for people Problem.

(2) technical solution

To realize above-mentioned technical problem, it is outdoor to provide such a summer based on throttling expansion effect for the utility model Travelling tent cooling device, including fixed block, there are four skeletons for the equidistant flexible connection in the outside of the fixed block, described in four The outside of skeleton passes through band and is fixedly connected with tent cloth, and top cover, the top cover are fixedly connected at the top of the fixed block Top and tent cloth inner roof wall middle part overlap, the bottom of four skeletons is fixedly connected with bottom plate, the base plate interior Bottom be inlaid with bearing, the inside interference of the bearing is connected with threaded sleeve, the internal whorl grafting of the threaded sleeve There is flexible strengthening mechanism, the two sides of the tent cloth are inlaid with throttling expansion mechanism, and the front of the tent cloth is living by zipper It is dynamic to be connected with tent door.

Preferably, the flexible strengthening mechanism includes threaded rod, and the screw top of the screw thread rod outer surface is plugged on The inside of threaded sleeve, the outer surface of the threaded rod are fixedly connected with hexagonal block, the outer surface pivot bush unit of the threaded rod There is the substrate positioned at hexagonal block bottom, the outer surface movable sleeve of the threaded rod is connected to the fixed ring positioned at base plate bottom, described The lower circumference of fixed ring is equidistant to be fixedly connected with eight flex plates, and the bottom fixing sleeve of the screw thread rod outer surface is connected to resistance Block, the two sides of the stopper bottom are fixedly connected to spine, and the bottom of the threaded rod is fixedly connected with plug pin.

Preferably, the throttling expansion mechanism includes fixed frame, and the fixed frame is embedded in the middle part of tent cloth side, The side of the fixed frame is equidistant to offer nine the first circular holes, and the other side of the fixed frame is equidistant to offer nine Two circular holes, the center of circle of first circular hole and the center of circle of the second circular hole are located at same horizontal line, first circular hole and the second circle The inside in hole is plugged with throttling expansion pipe.

Preferably, the throttling expansion pipe includes positioning ring, and the side of the positioning ring is fixedly connected with the first socket joint Pipe, the diameter of first bell-and-spigot pipe is equal with the diameter of the first circular hole, and the first bell-and-spigot pipe is located at the inside of the first circular hole, institute The side for stating the remotely located ring of the first bell-and-spigot pipe is fixedly connected with collapsible tube, and the diameter of the collapsible tube is from gradually becoming smaller greatly, institute It states collapsible tube and is fixedly connected with the second bell-and-spigot pipe, the diameter of second bell-and-spigot pipe and the second circle far from the side of the first bell-and-spigot pipe The diameter in hole is equal, and the second bell-and-spigot pipe is located at the inside of the second circular hole, and the internal activity of the collapsible tube is connected with mosquito resistance Retaining device.

Preferably, the mosquito blocking mechanism includes mounting ring, and the outside of the mounting ring is equidistant to be fixedly connected with Eight elastomer blocks, the one end of eight elastomer blocks far from mounting ring are contacted with the inner wall of collapsible tube, the inside of the mounting ring Equidistant to be fixedly connected there are four connecting rod, four connecting rods are fixedly connected with fixed disk far from one end of mounting ring, Gap between the connecting rod, mounting ring and mounting ring is fixedly connected with filter screen.

Preferably, the front of the connecting rod is fixedly connected with annulus, and the back side of annulus and four connecting rods are positive Middle part is fixedly connected.

(3) beneficial effect

The utility model provides a kind of summer outdoor travel tent cooling device based on throttling expansion effect, have with It is lower the utility model has the advantages that

1, it is somebody's turn to do the summer outdoor travel tent cooling device based on throttling expansion effect, passes through setting for throttling expansion mechanism It sets, the throttling expansion effect based on joule and Thomson, when outdoor hot-air enters the inside of tent from throttling expansion pipe, Gas pressure changes, so that the air natural cooling of tent inside, can be maintained at one for the temperature of tent inside Determine in range, improve the comfort used, be convenient for people to use, while also maintaining the circulation of tent inside air, The self-loopa for realizing tent inside air ensure that the quality of tent inside air.

2, should summer outdoor travel tent cooling device based on throttling expansion effect, by the improvement of throttling expansion pipe, When hot-air from the first bell-and-spigot pipe enter to collapsible tube will be slow to inflated with low pressure, remain permanent by pressure difference when the second bell-and-spigot pipe Fixed, after expansion reaches stable state, the air for entering to tent inside can turn cold, thus achieved the effect that automatic cooling, while low-carbon, Energy-saving and environmental protection have coordinated the relationship of the mankind and environment, natural resources are reasonably utilized.

3, it is somebody's turn to do the summer outdoor travel tent cooling device based on throttling expansion effect, passes through the first circular hole and the second circular hole Improvement, can make throttle expansion tube installation and removal become enhanced convenience, while make throttle expansion tube fixation it is more firm, Stability after guaranteeing installation.

4, the summer outdoor travel tent cooling device based on throttling expansion effect is being incited somebody to action by the setting of positioning ring When throttling expansion pipe is inserted into the inside of the first circular hole and the second circular hole, the effect of limit is played, so that throttling expansion pipe Enhanced convenience is installed, while avoiding throttling expansion pipe to the internal blas of the second circular hole, improves stability and reliability.

5, it is somebody's turn to do the summer outdoor travel tent cooling device based on throttling expansion effect, passes through setting for mosquito blocking mechanism It sets, in summer, the mosquito of open air is more, and mosquito can be blocked in the outside of tent by mosquito blocking mechanism, prevents from entering to tent Inside, avoid people from being bitten by mosquito, protect the health of people.

6, it is somebody's turn to do the summer outdoor travel tent cooling device based on throttling expansion effect, passes through the improvement of elastomer block, elasticity Block is rubber block, can generate certain deformation under external force, so that the inner wall of the mosquito blocking mechanism and collapsible tube It is fixed more firm, while the elasticity that rubber block is rich, it can also be very easily by mosquito blocking mechanism from collapsible tube Inside is taken out, and is convenient for people to use.

7, it is somebody's turn to do the summer outdoor travel tent cooling device based on throttling expansion effect, passes through the setting of annulus, on the one hand People are facilitated by the crawl to annulus and are installed or replaced to mosquito blocking mechanism, on the other hand ensure that mosquito stops machine The fixed fastness of structure internal part, while the effect of mosquito can also be obstructed.

8, it is somebody's turn to do the summer outdoor travel tent cooling device based on throttling expansion effect, passes through changing for flexible strengthening mechanism Into after the completion of tent is set up, flexible strengthening mechanism to be inserted in the subsurface of skeleton bottom, threaded sleeve is rotated, by threaded rod Top be plugged on the inside of threaded sleeve, to realize the fixation to tent, improve safety.

9, should summer outdoor travel tent cooling device based on throttling expansion effect, pass through matching for flex plate and stopper It closes and uses, the movement that rotation hexagonal block can make stopper upward squeezes flex plate, so that flex plate generation is not advised Deformation then increases the grasp on flexible strengthening mechanism and ground, and avoiding tent by big wind effect leads to unstability The problem of, wind loading rating is strong, safe and reliable.

Detailed description of the invention

Fig. 1 is the utility model structure front view；

Fig. 2 is the utility model structure sectional view；

Fig. 3 is partial enlarged view at the A of the utility model Fig. 1；

Fig. 4 is the utility model throttling expansion mechanism structure schematic diagram；

Fig. 5 is the utility model throttling expansion pipe structural schematic diagram；

Fig. 6 is the utility model mosquito blocking mechanism structural schematic diagram.

In figure: 1 fixed block, 2 skeletons, 3 tent cloths, 4 top covers, 5 bottom plates, 6 bearings, 7 threaded sleeves, 8 flexible strengthening mechanisms, 801 threaded rods, 802 hexagonal blocks, 803 substrates, 804 fixed rings, 805 flex plates, 806 stoppers, 807 spines, 808 plug pins, 9 sections Flow expansion mechanism, 901 fixed frames, 902 first circular holes, 903 second circular holes, 904 throttling expansion pipes, 9041 positioning rings, 9,042 the One bell-and-spigot pipe, 9043 collapsible tubes, 9,044 second bell-and-spigot pipes, 9045 mosquito blocking mechanisms, 90451 mounting rings, 90452 elastomer blocks, 90453 connecting rods, 90454 fixed disks, 90455 annulus, 90456 filter screens, 10 tent doors.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-6, a kind of summer outdoor travel tent cooling device based on throttling expansion effect, including fixed block 1, there are four skeletons 2 for the equidistant flexible connection in the outside of fixed block 1, and skeleton 2 is expansion bracket or folding stand, to facilitate transport And storage, the outside of four skeletons 2 pass through band and are fixedly connected with tent cloth 3, tent cloth 3 adds bilayer by advanced synthetic fibers Sunshade tarpaulin made of PVC material has the advantages that high intensity, wind resistance, rain-proof and sun-proof fire-retardant, and the top of fixed block 1 is fixed It is connected with top cover 4, the top of top cover 4 and the middle part of 3 inner roof wall of tent cloth overlap, and the bottom of four skeletons 2 is fixedly connected with bottom Plate 5, the bottom inside bottom plate 5 are inlaid with bearing 6, and the setting of bearing 6 facilitates the rotation of threaded sleeve 7, the inside of bearing 6 Interference is connected with threaded sleeve 7, and the internal whorl of threaded sleeve 7 is plugged with flexible strengthening mechanism 8, and flexible strengthening mechanism 8 includes There is threaded rod 801, the screw top of 801 outer surface of threaded rod is plugged on the inside of threaded sleeve 7, the outer surface of threaded rod 801 It is fixedly connected with hexagonal block 802, the outer surface movable sleeve of threaded rod 801 is connected to the substrate 803 positioned at 802 bottom of hexagonal block, spiral shell The outer surface movable sleeve of rasp bar 801 is connected to the fixed ring 804 positioned at 803 bottom of substrate, and the lower circumference of fixed ring 804 is equidistant Eight flex plates 805 are fixedly connected with, the bottom fixing sleeve of 801 outer surface of threaded rod is connected to stopper 806, passes through flex plate 805 and stopper 806 be used cooperatively, the movement that rotation hexagonal block 802 can make stopper 806 upward, to flex plate 805 It is squeezed, so that irregular deformation occurs for flex plate 805, increases the grasp of flexible strengthening mechanism 8 and ground, avoid The problem of tent is led to unstability by big wind effect, wind loading rating is strong, safe and reliable, 806 bottom of stopper Two sides are fixedly connected to spine 807, and the bottom of threaded rod 801 is fixedly connected with plug pin 808, pass through flexible strengthening mechanism 8 It improves, after the completion of tent is set up, flexible strengthening mechanism 8 is inserted in the subsurface of 2 bottom of skeleton, threaded sleeve 7 is rotated, by spiral shell The top of rasp bar 801 is plugged on the inside of threaded sleeve 7, to realize the fixation to tent, improves safety.

The two sides of tent cloth 3 are inlaid with throttling expansion mechanism 9, and throttling expansion mechanism 9 includes fixed frame 901, fixed frame 901 are embedded in the middle part of 3 side of tent cloth, and the side of fixed frame 901 is equidistant to offer nine the first circular holes 902, fixed frame 901 other side is equidistant to offer nine the second circular holes 903, the center of circle position in the center of circle of the first circular hole 902 and the second circular hole 903 The installation and removal of throttling expansion tube 904 can be made by the improvement of the first circular hole 902 and the second circular hole 903 in same horizontal line Become enhanced convenience, while keeping the fixation of throttling expansion tube 904 more firm, the stability after guaranteeing installation, the first circular hole 902 It is plugged with throttling expansion pipe 904 with the inside of the second circular hole 903, by the setting of throttling expansion mechanism 9, is based on joule and Tom Inferior throttling expansion effect, when outdoor hot-air enters the inside of tent from throttling expansion pipe 904, gas pressure becomes Change, so that the air natural cooling of tent inside, can keep the temperature of tent inside in a certain range, to improve The comfort used, is convenient for people to use, while also maintaining the circulation of tent inside air, realizes tent inside sky The self-loopa of gas ensure that the quality of tent inside air.

Throttling expansion pipe 904 includes positioning ring 9041, by the setting of positioning ring 9041, by throttling expansion pipe 904 When being inserted into the inside of the first circular hole 902 and the second circular hole 903, the effect of limit is played, so that the peace of throttling expansion pipe 904 Enhanced convenience is filled, while avoiding internal blas of the throttling expansion pipe 904 to the second circular hole 903, improves stability and can By property, the side of positioning ring 9041 is fixedly connected with the first bell-and-spigot pipe 9042, and when wind and rain weather, sealing-plug can be used by One bell-and-spigot pipe 9042 is blocked, and is avoided rainwater from entering to the inside of tent, is convenient for people to use, the first bell-and-spigot pipe 9042 Diameter it is equal with the diameter of the first circular hole 902, and the first bell-and-spigot pipe 9042 is located at the inside of the first circular hole 902, the first socket joint The side of the remotely located ring 9041 of pipe 9042 is fixedly connected with collapsible tube 9043, the diameter of collapsible tube 9043 from gradually becoming smaller greatly, Collapsible tube 9043 is fixedly connected with the second bell-and-spigot pipe 9044 far from the side of the first bell-and-spigot pipe 9042, the second bell-and-spigot pipe 9044 it is straight Diameter is equal with the diameter of the second circular hole 903, and the second bell-and-spigot pipe 9044 is located at the inside of the second circular hole 903, collapsible tube 9043 Internal activity is connected with mosquito blocking mechanism 9045, by the improvement of throttling expansion pipe 904, when hot-air is from the first bell-and-spigot pipe 9042 enter to collapsible tube 9043 will be slow to inflated with low pressure, remain constant by pressure difference when the second bell-and-spigot pipe 9044, expansion Up to after stable state, the air for entering to tent inside can turn cold, to achieve the effect that automatic cooling, while low-carbon, energy conservation, ring It protects, has coordinated the relationship of the mankind and environment, natural resources is reasonably utilized.

Mosquito blocking mechanism 9045 includes mounting ring 90451, and the outside of mounting ring 90451 is equidistant to be fixedly connected with eight A elastomer block 90452, the one end of eight elastomer blocks 90452 far from mounting ring 90451 contact with the inner wall of collapsible tube 9043, pass through The improvement of elastomer block 90452, elastomer block 90452 are rubber block, can generate certain deformation under external force, so that should The inner wall of mosquito blocking mechanism 9045 and collapsible tube 9043 is fixed more to be consolidated, while the elasticity that rubber block is rich, may be used also Easily to take out mosquito blocking mechanism 9045 from the inside of collapsible tube 9043 very much, it is convenient for people to use, mounting ring 90451 inside is equidistant to be fixedly connected with that there are four connecting rods 90453, and four connecting rods 90453 are far from mounting ring 90451 One end is fixedly connected with fixed disk 90454, and the gap between connecting rod 90453, mounting ring 90451 and mounting ring 90451 is solid Surely it is connected with filter screen 90456, by the setting of mosquito blocking mechanism 9045, the mosquito of open air is more in summer, and mosquito stops Mosquito can be blocked in the outside of tent by mechanism 9045, prevent the inside for entering to tent, people is avoided to be stung by mosquito It stings, protects the health of people, the front of connecting rod 90453 is fixedly connected with annulus 90455, and the back of annulus 90455 Face is fixedly connected with four positive middle parts of connecting rod 90453, and by the setting of annulus 90455, one side people pass through to circle The crawl of ring 90455 facilitates and installs or replace to mosquito blocking mechanism 9045, on the other hand ensure that mosquito blocking mechanism The fixed fastness of 9045 internal parts, while the effect of mosquito can also be obstructed, the front of tent cloth 3 is connected by zipper activity It is connected to tent door 10.

Working principle: when in use, tent cloth 3 is pricked on skeleton 2 with band, skeleton 2 is strutted upwards, flexibility is added Gu mechanism 8 is inserted in the subsurface of 2 bottom of skeleton, the movement that rotation hexagonal block 802 can make stopper 806 upward, to flexibility Plate 805 is squeezed so that irregular deformation occurs for flex plate 805, increase flexible strengthening mechanism 8 and ground promptly Power rotates threaded sleeve 7, the top of threaded rod 801 is plugged on to the inside of threaded sleeve 7, is consolidated to realize to tent It is fixed.

When hot-air from the first bell-and-spigot pipe 9042 enter to collapsible tube 9043 will be slow to inflated with low pressure, process second is held Pressure difference maintains constant when being intubated 9044, is changed based on gas pressure, so that the air natural cooling of tent inside, reaches The effect of automatic cooling is arrived.

In conclusion being somebody's turn to do the summer outdoor travel tent cooling device based on throttling expansion effect, pass through throttling expansion machine The setting of structure 9, the throttling expansion effect based on joule and Thomson, when outdoor hot-air enters account from throttling expansion pipe 904 When the inside of paulin, gas pressure changes, so that the air natural cooling of tent inside, it can be by the temperature of tent inside Degree keeps in a certain range, improving the comfort used, being convenient for people to use, while also maintaining tent inside sky The circulation of gas realizes the self-loopa of tent inside air, ensure that the quality of tent inside air.

By the improvement of throttling expansion pipe 904, can delay when hot-air enters to collapsible tube 9043 from the first bell-and-spigot pipe 9042 Slowly to inflated with low pressure, remains constant by pressure difference when the second bell-and-spigot pipe 9044, after expansion reaches stable state, enter to tent inside Air can turn cold, to achieve the effect that automatic cooling, while low-carbon, energy-saving and environmental protection, coordinate the pass of the mankind and environment System, is reasonably utilized natural resources.

By the setting of mosquito blocking mechanism 9045, in summer, the mosquito of open air is more, and mosquito blocking mechanism 9045 can be with Mosquito is blocked in the outside of tent, the inside for entering to tent is prevented, people is avoided to be bitten by mosquito, protect people Health.

By the improvement of flexible strengthening mechanism 8, after the completion of tent is set up, flexible strengthening mechanism 8 is inserted in 2 bottom of skeleton Subsurface, rotate threaded sleeve 7, the top of threaded rod 801 is plugged on to the inside of threaded sleeve 7, to realize accounting checking The fixation of paulin, improves safety, and by being used cooperatively for flex plate 805 and stopper 806, rotation hexagonal block 802 can make The upward movement of stopper 806 is obtained, flex plate 805 is squeezed, so that irregular deformation occurs for flex plate 805, is increased The grasp of flexible strengthening mechanism 8 and ground, avoids the problem of tent is led to unstability by big wind effect, wind resistance energy Power is strong, safe and reliable.

The utility model simple structure and reasonable design and easy to operate, solves in summer, outdoor air is more scorching Heat, the temperature in tent is also higher, and present tent does not have the function of cooling down automatically, influences the comfort of people, is people Bring the problem of certain inconvenience.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of summer outdoor travel tent cooling device based on throttling expansion effect, including fixed block (1), the fixed block (1) there are four skeleton (2) for the equidistant flexible connection in outside, and the outside of four skeletons (2) is fixedly connected by band Have tent cloth (3), is fixedly connected with top cover (4) at the top of the fixed block (1), the top and tent cloth (3) of the top cover (4) The middle part of inner roof wall overlaps, it is characterised in that: the bottom of four skeletons (2) is fixedly connected with bottom plate (5), the bottom plate (5) internal bottom is inlaid with bearing (6), and the inside interference of the bearing (6) is connected with threaded sleeve (7), the thread bush The internal whorl of pipe (7) is plugged with flexible strengthening mechanism (8), and the two sides of the tent cloth (3) are inlaid with throttling expansion mechanism (9), the front of the tent cloth (3) is connected with tent door (10) by zipper.

2. a kind of summer outdoor travel tent cooling device based on throttling expansion effect according to claim 1, special Sign is: the flexibility strengthening mechanism (8) includes threaded rod (801), and the screw top of threaded rod (801) outer surface is inserted The inside in threaded sleeve (7) is connect, the outer surface of the threaded rod (801) is fixedly connected with hexagonal block (802), the threaded rod (801) outer surface movable sleeve is connected to the substrate (803) positioned at hexagonal block (802) bottom, the outer surface of the threaded rod (801) Movable sleeve is connected to the fixed ring (804) positioned at substrate (803) bottom, the equidistant fixation of lower circumference of the fixed ring (804) Eight flex plates (805) are connected with, the bottom fixing sleeve of threaded rod (801) outer surface is connected to stopper (806), the resistance The two sides of block (806) bottom are fixedly connected to spine (807), and the bottom of the threaded rod (801) is fixedly connected with plug pin (808)。

3. a kind of summer outdoor travel tent cooling device based on throttling expansion effect according to claim 2, special Sign is: the throttling expansion mechanism (9) includes fixed frame (901), and the fixed frame (901) is embedded in tent cloth (3) side The middle part in face, the side of the fixed frame (901) is equidistant to offer nine the first circular holes (902), the fixed frame (901) The other side is equidistant to offer nine the second circular holes (903), the center of circle and the second circular hole (903) of first circular hole (902) The center of circle is located at same horizontal line, and first circular hole (902) and the inside of the second circular hole (903) are plugged with throttling expansion pipe (904)。

4. a kind of summer outdoor travel tent cooling device based on throttling expansion effect according to claim 3, special Sign is: the throttling expansion pipe (904) includes positioning ring (9041), and the side of the positioning ring (9041) is fixedly connected with The diameter of first bell-and-spigot pipe (9042), first bell-and-spigot pipe (9042) is equal with the diameter of the first circular hole (902), and first holds Intubation (9042) is located at the inside of the first circular hole (902), the side of the remotely located ring of first bell-and-spigot pipe (9042) (9041) It is fixedly connected with collapsible tube (9043), for the diameter of the collapsible tube (9043) from gradually becoming smaller greatly, the collapsible tube (9043) is remote Side from the first bell-and-spigot pipe (9042) is fixedly connected with the second bell-and-spigot pipe (9044), the diameter of second bell-and-spigot pipe (9044) It is equal with the diameter of the second circular hole (903), and the second bell-and-spigot pipe (9044) is located at the inside of the second circular hole (903), the contraction The internal activity of pipe (9043) is connected with mosquito blocking mechanism (9045).

5. a kind of summer outdoor travel tent cooling device based on throttling expansion effect according to claim 4, special Sign is: the mosquito blocking mechanism (9045) includes mounting ring (90451), and the outside of the mounting ring (90451) is equidistant From being fixedly connected with eight elastomer blocks (90452), the one end of eight elastomer blocks (90452) far from mounting ring (90451) with The inner wall of collapsible tube (9043) contacts, and the inside of the mounting ring (90451) is equidistant to be fixedly connected with that there are four connecting rods (90453), four connecting rods (90453) are fixedly connected with fixed disk (90454) far from the one end of mounting ring (90451), Gap between the connecting rod (90453), mounting ring (90451) and mounting ring (90451) is fixedly connected with filter screen (90456)。

6. a kind of summer outdoor travel tent cooling device based on throttling expansion effect according to claim 5, special Sign is: the front of the connecting rod (90453) is fixedly connected with annulus (90455), and the back side of annulus (90455) and four Connecting rod (90453) positive middle part is fixedly connected.