CN220848999U - Expansion shelter - Google Patents

Abstract

The utility model belongs to the field of shelter equipment, and particularly relates to an extended shelter, which comprises a shelter main body and a tent; the side wall of the shelter main body is provided with a side plate which can be unfolded outwards, and a bottom plate of the tent is formed after the side plate is unfolded; the tent is of a telescopic shed frame structure and comprises a plurality of door-shaped brackets and tent cloth; the door-shaped bracket comprises vertical rods at two sides; the door-shaped brackets are sequentially connected through X-shaped rods; the X-shaped rod comprises two connecting rods with the middle parts hinged with each other; the upper end of each connecting rod is fixedly connected with a vertical rod of the door-type bracket, and the lower end of each connecting rod is in sliding connection with the adjacent vertical rod; the tent cloth is paved on the tent main body after the tent stretches; the tent comprises a tent body, a shelter cloth, a first hasp and a second hasp, wherein the first hasp is arranged on one side of the tent cloth, which is close to the shelter body, the second hasp is arranged on the inner side of the side wall of the shelter body, which is close to the tent, and the first hasp and the second hasp are matched to form a sealing belt after the tent stretches. The utility model aims to solve the problems that the plate-type expansion shelter is heavy in weight and limited in expansion space, and tent-type expansion shelter accessories are easy to lose, the folding and expansion processes are complicated, and the tightness is poor.

Description

Expansion shelter

Technical Field

The utility model belongs to the field of shelter equipment, and particularly relates to an expansion shelter.

Background

The traditional expansion shelter comprises two forms, wherein one form is a plate-type expansion shelter, the expansion shelter comprises a turnover plate type expansion shelter and a drawing type expansion shelter, and the expansion parts are formed by splicing plate-type components which are folded and accommodated in a shelter main body; the other is a tent type expansion shelter, the expansion part is composed of a tent, and the tent is fixed with a shelter main body through a connecting piece.

The plate-type expansion shelter has the advantages that the plate-type components of the plate-type expansion shelter are heavy in mass, inconvenience is brought to transportation, storage and transportation, the external dimension of the plate-type expansion shelter cannot be formed into a larger dimension due to the limitation of the volume of the shelter main body, and the space of an expansion part is small; tent body formula extension shelter, tent and shelter main part are independent relatively, and the accessory of tent is accomodate in the shelter main part after breaking up when drawing in, with the accessory equipment one by one form tent when expanding again with the shelter main part connection, this kind of form not only causes the loss of tent accessory easily, and the process of drawing in and expanding is comparatively loaded down with trivial details and consumes time and manpower moreover, and tent and shelter main part junction is sealed not tightly and is caused air leakage, rain leakage easily.

Therefore, a novel expansion shelter is needed, and the problems that the plate expansion shelter is heavy in weight, limited in expansion space, easy to lose tent expansion shelter accessories, complex in folding and expansion process and poor in sealing performance can be solved.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides an expansion shelter, which adopts a mode of organically combining a tent with a shelter main body, wherein the tent main body can be folded and stored in the shelter main body when the shelter main body is folded, and can be stretched to the outer side of the shelter when the shelter main body is unfolded, so that the disassembly and assembly process of the tent main body is avoided; and the joint of the square cabin main body and the square cabin main body adopts a better sealing structure. The problems that the plate-type expansion shelter is heavy in weight and limited in expansion space, and tent-type expansion shelter accessories are easy to lose, the folding and expansion processes are complex, and the tightness is poor are solved. The utility model is specifically as follows.

An extended shelter includes a shelter body and a tent.

The shelter main body is hollow, and a side plate which can be unfolded outwards is arranged on the side wall of the shelter main body. The side plates are unfolded to form a bottom plate of the tent which is parallel to the bottom wall of the shelter main body and has the same height.

The tent is a telescopic shed frame structure and comprises a tent cloth and a plurality of door-shaped supports. The tent forms a tent main body on the bottom plate after stretching, and is accommodated in the shelter main body after contracting. The door-shaped support comprises vertical rods at two sides and a cross rod at the middle part, and the door-shaped support is arranged in parallel with the front and rear directions of the shelter main body. The door-shaped brackets are sequentially connected through X-shaped rods. The X-shaped rod comprises two connecting rods with the middle parts hinged with each other. The upper end of each connecting rod is fixedly connected with the vertical rod of the door-type bracket, and the lower end of each connecting rod is in sliding connection with the vertical rod on the same side of the adjacent door-type bracket.

The tent cloth is contained in the shelter main body, and the tent cloth is paved and fixed on the tent main body after the tent stretches. The side of the tent cloth close to the shelter main body is provided with a first hasp, and the side wall of the shelter main body close to the tent is provided with a second hasp. The first hasp is matched with the second hasp to form a sealing belt after the tent stretches.

As one embodiment, the side plate has a structure that can be expanded in two stages to the outside, and includes a primary plate and a secondary plate. The side edge of the lower end of the primary plate is hinged with the lower end of the side wall of the shelter main body. The side edges of the upper ends of the primary plate and the secondary plate are mutually hinged, and the primary plate and the secondary plate are mutually overlapped to form a side plate. The primary unfolding state is that the primary plate and the secondary plate are overturned for 90 degrees towards the lower side of the outer side of the shelter main body. The secondary unfolding state is that in the primary unfolding state, the secondary plate is outwards turned 180 degrees again by taking the hinge as the center, and the primary plate and the secondary plate are horizontally arranged to form a bottom plate.

As one implementation mode, a turnover power assisting mechanism is arranged between the primary plate and the shelter main body. The overturning assisting mechanism is of a columnar elastic structure, one end of the overturning assisting mechanism is hinged with the side edge of the primary plate, the other end of the overturning assisting mechanism is hinged with the side wall of the shelter main body, and the overturning assisting mechanism is used for assisting operators in the unfolding and folding processes of the side plates.

As an embodiment, the first rail is disposed at the bottom wall of the shelter body. The upper end face of the bottom plate is provided with a second track. The first track and the second track can be connected end to form a complete track. The lower extreme of montant has set up the slider, and the tent shrink back, slider and first track cooperate to fix slider and first track through installing the locking mechanism between slider and first track. The complete track and the sliding block play a guiding role for the door-shaped support when the tent stretches.

As an embodiment, the primary plate and the secondary plate are hingedly connected by a torsion spring hinge. The torsion spring hinge is used for providing overturning assistance for operators when the secondary unfolding is performed, and the secondary plate provides buffering when the secondary unfolding is performed to the inner side of the shelter body by 180 degrees.

In one embodiment, in the primary expansion state and the secondary expansion state, jacks are respectively arranged at the lower ends of the side edges of the primary plate far away from the shelter main body and the lower ends of the side edges of the secondary plate far away from the shelter main body. The jack is used for supporting and leveling the tent.

As one implementation mode, the lower end of the X-shaped rod is in sliding connection with the vertical rod through a sliding sleeve with a first locking pin. The middle part of the vertical rod is provided with a first lock hole. After the tent is contracted, the door-shaped brackets are close to each other, the upper end and the lower end of the X-shaped rod are all in clamping shapes, the sliding sleeve is positioned below the first lock hole, and the locking pin is in an unlocking state. After the tent stretches, a plurality of door-shaped brackets are mutually far away, the upper end and the lower end of the X-shaped rod are all in a separated shape, and the sliding sleeve moves upwards to the first lock hole position under the drive of the X-shaped rod. The locking pin is in a locking state and is matched with the first locking hole to fix the lower end of the X-shaped rod with the vertical rod.

As one embodiment, the vertical rod comprises a support rod at the lower end and a telescopic rod at the upper end. The telescopic rod is sleeved outside the supporting rod, and a second locking pin is arranged at the lower end of the telescopic rod. The upper end of the supporting rod is higher than the second locking pin, and a second locking hole is arranged at the position of the upper end of the supporting rod. The telescopic rod can move upwards along the supporting rod, and the telescopic rod and the supporting rod are fixed by matching the second locking pin with the second locking hole.

As one embodiment, the tarpaulin includes an inner tarpaulin and an outer tarpaulin. The inner tarpaulin is laid on the inner side of the door-shaped support, and the outer tarpaulin is laid on the outer side of the door-shaped support. The first hasp is arranged on the side edge, close to the shelter main body, of the inner tarpaulin. The side edge of the outer awning cloth close to the shelter main body and the outer part of the side wall of the shelter main body close to the tent are provided with hooks and sticking buckles which are matched with each other. The hook and the sticking buckle are used for connecting and fixing the tent and the shelter main body.

As one embodiment, the number of tents is set to two. The side plates and the first rails are arranged in two sets and are arranged on the left side and the right side of the shelter main body. The two tents are arranged at the left side and the right side of the inside of the shelter main body after being contracted. The two tents are arranged on the left side and the right side outside the shelter main body after being stretched.

The shelter has the beneficial effects that the shelter main body is provided with the side plates, and the bottom plate of the tent can be formed, so that the tent and the shelter main body can be organically combined, the tent is not relatively independent equipment, but is integrated with the shelter main body, and accessories of the tent are reduced for multiple purposes. The telescopic tent is arranged, so that the tent structure is simpler, the work of disassembling and assembling the tent is omitted, and accessories cannot be lost. The sealing belt between the awning cloth and the shelter main body can effectively solve the problem of sealing the whole shelter, and has the advantages of simple structure, convenient operation and various resource saving.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other embodiments may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a front view and a left view of an overall structural schematic of an expansion shelter;

FIG. 2 is a schematic view of the internal structure of the expansion shelter;

FIG. 3 is a schematic view of a primary deployment configuration of an expansion shelter side panel;

FIG. 4 is a schematic view of a secondary deployment configuration of an expansion shelter side panel;

FIG. 5 is a schematic view of the structure of the extended shelter tent after being extended;

FIG. 6 is a schematic view of an expansion shelter locking pin structure;

FIG. 7 is a schematic structural view of an expansion shelter overturning assisting mechanism;

FIG. 8 is a schematic view of an extended shelter seal structure;

FIG. 9 is a schematic view of an expansion shelter torsion spring hinge construction.

In the figure: 1. a shelter body; 2. a side plate; 201. a primary plate; 202. a secondary plate; 203. a torsion spring hinge; 2031. a shaft sleeve; 2032. a torsion spring; 2033. a hinge; 2034. a retainer; 2035. clamping springs; 2036. a hinge shaft; 204. a turnover power assisting mechanism; 2041. a pull ring; 2042. a booster spring; 2043. an inner cylinder; 2044. an outer cylinder; 205. a first track; 206. locking; 207. a jack; 208. a second track; 3. tent; 301. a door-shaped bracket; an x-shaped rod; 303. a sliding sleeve; 3031. a handle; 3032. a main body; 3033. a return spring; 3034. a lock nut; 3035. a lock pin shaft; 304. a second locking pin; 305. a cross bar; 306. a telescopic rod; 307. a support rod; 308. an outer awning cloth; 309. a slide block; 310. inner tarpaulin; 311. a sealing tape; 312. a hook; 313. and sticking buckles.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It will be understood that when an element is referred to as being "mounted," "positioned," "provided," "disposed," "connected" or "connected" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 9, the expansion shelter provided by the utility model comprises a shelter main body 1 and a tent 3.

As shown in fig. 1 and 2, the cabin body 1 is hollow, and side plates 2 that can be unfolded outward are provided on the side walls thereof. The side plates 2 are unfolded to form a bottom plate of the tent 3 which is parallel to the bottom wall of the shelter main body 1 and has the same height.

As shown in fig. 2, the tent 3 is a telescopic shed structure including a tent cloth and a plurality of door-shaped supports 301. The tent 3 is stretched to form a tent body on the base plate, and is contracted to be stored in the shelter body 1. The door-shaped bracket 301 includes vertical bars at both sides and a cross bar 305 at the middle, and the door-shaped bracket 301 is arranged in parallel with the front-rear direction of the shelter body 1. The upper end of the vertical rod and the lower end of the cross rod 305 are riveted and fixed by rivets.

As shown in fig. 5, a plurality of door-shaped brackets 301 are sequentially connected with each other by an X-shaped rod 302. The X-bar 302 includes two links hinged to each other at the middle. The upper end of each connecting rod is fixedly connected with the vertical rod of the door-shaped bracket 301, preferably fixed by a screw or a rivet, and the lower end is in sliding connection with the vertical rod on the same side of the adjacent door-shaped bracket 301, preferably connected by a sliding sleeve. It should be noted that, the two links of the X-shaped bar 302 may swing up and down with the contraction and expansion of the tent 3 about the hinge point.

The tent cloth is contained in the shelter main body 1, and after the tent 3 stretches, the tent cloth is paved and fixed on the tent 3 main body, and is preferably fixed by adopting a structure of holes and hooks. The side of the shelter body 1 close to the tent is provided with a first hasp, and is preferably fixed on the shelter body in a sewing mode, and the side wall of the shelter body 1 close to the tent 3 is provided with a second hasp, and is preferably fixed in a riveting mode. The first fastener and the second fastener cooperate to form a sealing band 311 after the tent 3 is stretched. Preferably, the first hasp and the second hasp adopt hook surfaces and suede surfaces of the magic tape.

In specific implementation, the shelter main body 1 is provided with the side plates 2, and a bottom plate of the tent 3 can be formed, so that the tent 3 and the shelter main body 1 can be organically combined, the tent 3 is not relatively independent equipment any more, and is integrated with the shelter main body 1, and accessories of the tent 3 are reduced for one object in multiple purposes. The telescopic tent 3 is arranged, so that the tent 3 is simpler in structure, the work of disassembling and assembling the tent 3 is omitted, and accessories cannot be lost. The sealing belt 311 between the awning cloth and the shelter main body 1 can effectively solve the problem of sealing the whole shelter, has a simple structure, is convenient to operate, and saves various resources.

According to an embodiment of the present utility model, as shown in fig. 3 and 4, the side plate 2 has a structure that can be unfolded at two stages to the outside, and has a first unfolded state and a second unfolded state, and includes a first plate 201 and a second plate 202. The side edge of the lower end of the primary plate 201 is hinged with the lower end of the side wall of the shelter main body 1. The side edges of the upper ends of the primary plate 201 and the secondary plate 202 are hinged to each other, and the primary plate 201 and the secondary plate 202 overlap each other to form the side plate 2. The primary unfolding state is that the primary plate 201 and the secondary plate 202 are turned over by 90 degrees towards the lower side of the outer side of the shelter body 1. The secondary unfolding state is that in the primary unfolding state, the secondary plate 202 is outwards turned 180 degrees again by taking the hinge as the center, and the primary plate 201 and the secondary plate 202 are horizontally arranged to form a bottom plate. The primary plate 201 and the secondary plate 202 are overlapped to form the side plate 2, and the primary plate 201 and the secondary plate 202 are fixed by the lock catch 206.

In specific implementation, through the two-stage expansion of the primary plate 201 and the secondary plate 202, a larger expansion bottom plate can be obtained, so that the volume of the shelter after expansion is larger, and the storage space inside the shelter is smaller after the side plate 2 is formed, so that the storage space inside the shelter is not occupied.

In one embodiment of the present utility model, as shown in fig. 7, a turning assist mechanism 204 is provided between the primary plate 201 and the shelter body 1. The overturning assisting mechanism 204 is of a columnar elastic structure, one end of the overturning assisting mechanism is hinged with the side edge of the primary plate 201, the other end of the overturning assisting mechanism is hinged with the side wall of the shelter main body 1, and the overturning assisting mechanism is used for assisting an operator in the unfolding and folding processes of the side plate 2, namely assisting the operator in the primary unfolding process and in the process of overturning the side plate 2 for 90 degrees from the primary unfolding state to the inner side of the shelter main body 1.

It should be noted that, the overturning assisting mechanism 204 includes an outer cylinder 2044, an inner cylinder 2043, a pull ring 2041 and an assisting spring 2042, and is used for counteracting self gravity impact generated during primary expansion, so as to avoid that the primary plate 201 and the secondary plate 202 directly fall onto the ground during primary expansion, and mechanical damage is generated; when the power-assisted spring 2042 is folded, the physical strength consumption of a person can be reduced under the action of the tensile force of the power-assisted spring 2042.

In particular implementations, the turn-over assist mechanism 204 can assist the operator by the tension of the assist spring 2042 when expanding and collapsing, and can reduce impact damage to the components.

According to an embodiment of the utility model, as shown in fig. 5, the bottom wall of the shelter body 1 is provided with a first rail 205. The upper end surface of the bottom plate is provided with a second rail 208. The first rail 205 and the second rail 208 are fixed to the bottom wall and the bottom plate by rivets or screws, and can be connected end to form a complete rail. The lower end of the vertical rod is provided with a sliding block 309, preferably fixed to the lower end of the vertical rod by rivets or screws, and after the tent 3 is contracted, the sliding block 309 is matched with the first rail 205, and the sliding block 309 is fixed to the first rail 205 by a locking mechanism installed between the sliding block 309 and the first rail 205, and the locking mechanism can be preferably a locking structure such as locking pin and hole matching in the prior art. The complete track and slide 309 guides the gantry 301 as the tent 3 stretches. When the tent 3 is extended, the sliding blocks 309 of the plurality of door-shaped brackets 301 are matched with the complete track, and slide out along the track from the inside to the outside of the shelter body 1 in sequence under the action of manpower.

As another example, the slider 309 may be replaced with a roller configuration and cooperate with a track such that sliding friction is converted to rolling friction with a lower coefficient of friction.

In particular embodiments, the structure of the sliding block 309 and the track makes the tent 3 more convenient and labor-saving in the stretching process, and the track plays a guiding role for stretching and shrinking the tent 3, so as to prevent the tent 3 from deforming.

In one embodiment of the present utility model, as shown in fig. 3 and 4, the primary plate 201 and the secondary plate 202 are hinged by a torsion spring hinge 203. The torsion spring hinge 203 is used for providing turning assistance for an operator when in secondary unfolding, and the secondary plate 202 provides buffering when turning 180 degrees towards the inner side of the shelter body 1 in the secondary unfolding state. As shown in fig. 9, torsion spring hinge 203 includes hinge 2033, hinge shaft 2036, retainer 2034, bushing 2031, torsion spring 2032, and clamp spring 2035. The hinge 2033 is fixedly connected with the primary plate 201 and the secondary plate 202, and two ends of the torsion spring 2032 are fixed with the hinge 2033 through a retainer 2034, can be welded or riveted, and plays a role in elastic force. A hinge shaft 2036 is arranged in the center of the torsion spring 2032, and the hinge shaft 2036 is fixed with the shaft sleeve 2031 through a clamp spring 2035.

In specific implementation, the physical strength of a person in the secondary unfolding process can be effectively reduced through the torsion spring hinge 203, and a certain buffering effect can be achieved when the secondary plate 202 is folded.

According to the embodiment of the present utility model, as shown in fig. 5, in the primary deployment and secondary deployment states, the jacks 207 are disposed at the lower ends of the sides of the primary plate 201 away from the shelter body 1 and the lower ends of the sides of the secondary plate 202 away from the shelter body 1. The jack 207 is used to support and level the tent 3. Preferably, the jack adopts the form of nut lead screw, convenient to use simple structure.

In one embodiment of the present utility model, as shown in fig. 5, the lower end of the X-shaped bar 302 is slidably connected to the vertical bar by a sliding sleeve 303 with a first locking pin. The middle part of the vertical rod is provided with a first lock hole. After the tent 3 is contracted, the door-shaped brackets 301 are close to each other, the upper end and the lower end of the X-shaped rod 302 are all in a clamping shape, the sliding sleeve 303 is positioned below the first lock hole, and the locking pin is in an unlocking state. After the tent 3 stretches, the plurality of door-shaped supports 301 are far away from each other, the upper end and the lower end of the X-shaped rod 302 are separated, and the sliding sleeve 303 is driven by the X-shaped rod 302 to move upwards to the first lock hole position. The locking pin is set in a locking state and is matched with the first locking hole to fix the lower end of the X-shaped rod 302 with the vertical rod. The sliding sleeve 303 is fixed to the vertical rod by the first locking pin, that is, the lower end of the X-shaped rod 302 is fixed to the vertical rod. Since the upper ends of the X-shaped poles 302 are already fixed to the vertical poles, the door-shaped holders 301 cannot move relative to each other, i.e. the tent 3 is fixed to the main structure. When the tent 3 needs to be contracted, the locking pin is set to be in an unlocking state again, namely, the fixed connection between the lower end of the X-shaped rod 302 and the vertical rod is released, and at the moment, the door-shaped brackets 301 can be mutually close to each other, so that the tent 3 is contracted.

In specific implementation, the locking of the tent 3 after stretching is realized through the structures of the sliding sleeve 303 and the locking pin.

According to an embodiment of the present utility model, as shown in fig. 5, the vertical bar includes a support bar 307 at a lower end and a telescopic bar 306 at an upper end. The telescopic rod 306 is sleeved outside the supporting rod 307, and the lower end of the telescopic rod is provided with a second locking pin 304. The upper end of the support bar 307 is provided with a second lock hole at a position higher than the second lock pin 304. The telescopic rod 306 can move upwards along the support rod 307, and the telescopic rod 306 and the support rod 307 are fixed by the cooperation of the second locking pin 304 and the second locking hole.

As shown in fig. 6, the first lock pin has the same structure as the second lock pin 304, and includes a handle 3031, a main body 3032, a lock nut 3034, a lock pin shaft 3035, and a return spring 3033. The locking pin is coupled to a nut welded to the sliding sleeve 303 by threads on the main body 3032 and is tightened by the locking nut 3034. The latch shaft 3035 is assembled with the handle 3031 as a whole, and realizes the insertion and extraction function of the latch pin through the return spring 3033 and the main body 3032. When the handle 3031 is rotated to the lower notch of the main body 3032, the locking pin shaft is inserted into the first locking hole of the telescopic rod 306, and the telescopic rod 306 and the sliding sleeve 303 are in a locking state; when the handle 3031 is rotated to the notch on the main body 3032, the lock pin shaft 3035 is pulled out from the first lock hole, the sliding sleeve 303 can slide up and down along the telescopic rod 306, and the tent 3 support is in an unlocked state, so that the tent 3 support can be unfolded and folded.

In specific implementation, the height-adjustable function of the tent 3 is realized through the structures of the telescopic rod 306, the support rod 307 and the second locking pin 304, so that the space after being unfolded is larger.

In one embodiment of the present utility model, as shown in fig. 8, the tarpaulin includes an inner tarpaulin 310 and an outer tarpaulin 308. The inner tarpaulin 310 is laid on the inner side of the door type bracket 301, and the outer tarpaulin 308 is laid on the outer side of the door type bracket 301. The first buckle is arranged on the side of the inner tarpaulin 310 close to the shelter body 1. The side edge of the outer awning cloth 308, which is close to the shelter main body 1, and the outer part of the side wall of the shelter main body 1, which is close to the tent 3, are provided with a hook 312 and a thread gluing 313 which are matched with each other, preferably the hook adopts a structure of rivets and hanging ropes, the rivets are fixed on the shelter main body 1 and are exposed at a certain distance, the hanging ropes are fixed on the outer awning cloth, and the hanging ropes can be hung on the heads of the rivets to form a fixed structure; the sticking buckle adopts a magic tape structure, the peak value of the hook surface is on the outer tarpaulin, and the suede is riveted or adhered on the shelter main body. The hook 312 and the sticking buckle 313 are used for connecting and fixing the tent 3 and the shelter main body 1. It should be noted that, because there is a gap between the tent 3 and the shelter body 1, the inner tent 310 and the outer tent 308 are in transitional connection, the connection between the inner tent 310 and the shelter body 1 mainly plays a role in sealing, and the connection between the outer tent 308 and the shelter body 1 mainly plays a role in fixing. Furthermore, a water blocking bending piece (not shown in the figure) is arranged at the top of the shelter main body 1, so that rainwater can be prevented from penetrating.

According to the embodiment of the present utility model, as shown in fig. 2, the number of tents 3 is set to two. The side plates 2 and the first rails 205 are arranged in two sets, and are arranged on the left side and the right side of the shelter main body 1. Two tents 3 are arranged on the left and right sides of the inside of the shelter body 1 after being contracted. Two tents 3 are arranged on the left and right sides of the outside of the shelter body 1 after being stretched.

In the concrete implementation, two sets of tents 3 are arranged, so that the expansion space can be effectively increased, and more functional areas are provided for the shelter.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (10)

1. An expansion shelter is characterized by comprising a shelter main body and a tent;

The shelter main body is hollow, and a side plate which can be unfolded outwards is arranged on the side wall of the shelter main body; the side plates are unfolded to form a bottom plate of the tent which is parallel to the bottom wall of the shelter main body and has the same height;

The tent is of a telescopic shed frame structure and comprises a piece of tent cloth and a plurality of door-shaped brackets; the tent forms a tent main body on the bottom plate after stretching, and is accommodated in the shelter main body after contracting; the door-shaped bracket comprises vertical rods at two sides and a cross rod at the middle part, and is arranged in parallel with the front-back direction of the shelter main body; the door-shaped brackets are sequentially connected through X-shaped rods; the X-shaped rod comprises two connecting rods with the middle parts hinged with each other; the upper end of each connecting rod is fixedly connected with the vertical rod of the door-shaped bracket, and the lower end of each connecting rod is in sliding connection with the vertical rod on the same side of the adjacent door-shaped bracket;

The tent cloth is contained in the shelter main body, and the tent cloth is paved and fixed on the tent main body after the tent is stretched; a first hasp is arranged on one side, close to the shelter main body, of the awning cloth, and a second hasp is arranged on the inner side, close to the side wall of the tent, of the shelter main body; the first hasp and the second hasp are matched to form a sealing belt after the tent stretches.

2. The expansion shelter of claim 1, wherein the side panels are of a two-stage outboard deployable construction comprising a primary panel and a secondary panel; the side edge of the lower end of the primary plate is hinged with the lower end of the side wall of the shelter main body; the side edges of the upper ends of the primary plate and the secondary plate are hinged with each other, and the primary plate and the secondary plate are overlapped with each other to form the side plate; the primary unfolding state is that the primary plate and the secondary plate are overturned for 90 degrees towards the lower part of the outer side of the shelter main body; the secondary unfolding state is that under the primary unfolding state, the secondary plate overturns outwards for 180 degrees again by taking the hinge as the center, and the primary plate and the secondary plate are horizontally arranged to form the bottom plate.

3. The expansion shelter of claim 2, wherein a roll-over assist mechanism is provided between the primary panel and the shelter body; the overturning assisting mechanism is of a columnar elastic structure, one end of the overturning assisting mechanism is hinged with the side edge of the primary plate, the other end of the overturning assisting mechanism is hinged with the side wall of the shelter main body, and the side plate is used for assisting an operator in the unfolding and folding processes of the side plate.

4. The expansion shelter of claim 2, wherein the shelter body bottom wall is provided with a first rail; the upper end face of the bottom plate is provided with a second track; the first track and the second track can be connected end to form a complete track; the lower end of the vertical rod is provided with a sliding block, after the tent is contracted, the sliding block is matched with the first track, and the sliding block is fixed with the first track through a locking mechanism arranged between the sliding block and the first track; the complete track and the sliding block play a guiding role for the door-shaped support when the tent stretches.

5. The expansion shelter of claim 2, wherein the primary and secondary panels are hingedly connected by a torsion spring hinge; the torsion spring hinge is used for providing overturning assistance for operators when the secondary expansion is carried out, and the secondary plate provides buffering when the secondary expansion is carried out and the secondary expansion is turned 180 degrees towards the inner side of the shelter main body.

6. The expansion shelter of claim 2, wherein in the primary and secondary deployed states, the primary panels are each provided with jacks at a lower end of a side thereof remote from the shelter body and at a lower end of a side thereof remote from the shelter body; the jack is used for supporting and leveling the tent.

7. The expansion shelter of claim 1, wherein the lower end of the X-shaped bar is slidably connected to the vertical bar by a sliding sleeve with a first locking pin; a first lock hole is arranged in the middle of the vertical rod; the tent comprises a tent, a plurality of door-shaped brackets, a sliding sleeve, a locking pin and a locking pin, wherein the door-shaped brackets are mutually close after the tent is contracted, the upper end and the lower end of the X-shaped rod are both in clamping shapes, the sliding sleeve is positioned below the first locking hole, and the locking pin is in an unlocking state; after the tent stretches, the plurality of door-shaped brackets are far away from each other, the upper end and the lower end of the X-shaped rod are separated, and the sliding sleeve is driven by the X-shaped rod to move upwards to the first lock hole position; the locking pin is in a locking state and is matched with the first locking hole to fix the lower end of the X-shaped rod with the vertical rod.

8. The expansion shelter of claim 7, wherein the vertical rod comprises a lower support rod and an upper telescoping rod; the telescopic rod is sleeved outside the supporting rod, and a second locking pin is arranged at the lower end of the telescopic rod; a second lock hole is arranged at the upper end of the support rod at a position higher than the second locking pin; the telescopic rod can move upwards along the supporting rod, and the telescopic rod is fixed with the supporting rod through the cooperation of the second locking pin and the second locking hole.

9. The expansion shelter of claim 1, wherein the canopy comprises an inner canopy and an outer canopy; the inner tarpaulin is laid on the inner side of the door-shaped bracket, and the outer tarpaulin is laid on the outer side of the door-shaped bracket; the first hasp is arranged on the side edge, close to the shelter main body, of the inner tarpaulin; a hook and a thread gluing which are matched with each other are arranged between the side edge of the outer awning cloth, which is close to the shelter main body, and the outside of the side wall of the shelter main body, which is close to the tent; the hook and the sticking buckle are used for connecting and fixing the tent and the shelter main body.

10. The expansion shelter of claim 1, wherein the number of tents is two; the side plates and the first rails are arranged in two sets and are respectively arranged on the left side and the right side of the shelter main body; the two tents are arranged at the left side and the right side of the inside of the shelter main body after being contracted; the two tents are arranged on the left side and the right side outside the shelter main body after being stretched.