WO2023185729A1

WO2023185729A1 - Tent having reinforcement mechanism

Info

Publication number: WO2023185729A1
Application number: PCT/CN2023/084056
Authority: WO
Inventors: 袁春亮; 杨胜勇
Original assignee: 蔚孜电子商务（上海）有限公司
Priority date: 2022-03-28
Filing date: 2023-03-27
Publication date: 2023-10-05
Also published as: CN217129136U

Abstract

Provided in the present disclosure is a tent. The tent comprises at least three leg poles; a plurality of outer telescopic units, connected between each two adjacent leg poles; a plurality of inner telescopic units, each inner telescopic unit being connected to each leg pole and provided with an inner end part, and the outer telescopic units and the inner telescopic units constituting a top frame of the tent; and a center lock, used for locking the tent in an unfolded state when implementing locking, and allowing the tent to be folded into a folded state when implementing unlocking, the inner end parts of the inner telescopic units being rotatably connected to the center lock. The tent further comprises: at least one reinforcement pole unit, having an outer end part and an inner end part, the outer end part of the reinforcement pole unit being rotatably connected to an outer telescopic unit, and the inner end part of the reinforcement pole unit being rotatably connected to the center lock. The tent shows relatively high strength, and avoids inward complete deformation of the outer telescopic units.

Description

Tent with reinforced structure

This application claims priority from the Chinese patent application with application number CN 2022207262950 submitted on March 28, 2022.

Technical field

The present disclosure belongs to the field of outdoor products and relates to a tent, specifically a tent with a reinforcing mechanism.

Background technique

Tents are widely used in outdoor activities, such as outdoor camping. They can prevent wind, rain, mosquitoes, and keep warm. In order to facilitate portability and storage, tents are usually designed to be foldable and have an unfolded state and a folded state. The top frame of one type of foldable tent is usually composed of multiple outer telescopic units and multiple inner telescopic units. Each outer telescopic unit is connected between adjacent leg poles, and the outer end of each inner telescopic unit is connected to The inner ends of each leg pole and each inner telescopic unit are connected by a central lock, which locks the tent in the unfolded state or allows the tent to be converted to the folded state after it is unlocked. Some tents, especially larger ones, have outer telescopic units that are not strong enough and tend to bend inward.

Utility model content

An invention of the present disclosure provides an improved tent with a reinforcing mechanism, which has better strength and avoids complete inward deformation of the outer telescopic unit.

A tent is provided, including:

At least three leg bars;

A plurality of external telescopic units connected between two adjacent leg poles;

A plurality of inner telescopic units, each inner telescopic unit is connected to each of the leg poles and has an inner end, and the outer telescopic unit and the inner telescopic unit constitute the top frame of the tent;

A central lock, which is used to lock the tent in an unfolded state when locked and allows the tent to be folded into a collapsed state after being unlocked, and the inner end of the inner telescopic unit is rotatably connected to the center Lock;

The tent also includes:

At least one reinforcing rod unit has an outer end and an inner end. The outer end of the reinforcing rod unit is rotatably connected to the outer telescopic unit. The inner end of the reinforcing rod unit is rotatably connected to the outer telescopic unit. The center lock.

In one embodiment, the inner end of each inner telescopic unit and/or the inner end of the reinforcing rod unit is rotatably connected to the central lock through a hooking mechanism, and the hooking mechanism includes a mutually matching The hanging pin and the connecting piece are formed with a hanging pin groove for accommodating the hanging pin, the hanging pin groove has a notch for the hanging pin to enter, and the notch is configured to allow the hanging pin to enter. The hanging pin enters the hanging pin groove in a direction intersecting with its center line. The outer telescopic unit and the central lock are connected by a connecting piece and a hanging pin, which avoids the use of screw hinges, makes assembly more convenient, improves assembly efficiency, and reduces costs.

In one embodiment, the central lock has a plurality of connecting parts arranged at intervals along its circumference, and the hanging pins are respectively formed on the opposite surfaces of two adjacent connecting parts, and the connecting parts are located on the opposite surfaces. Between two adjacent connecting parts, two hanging pins are disposed in each connecting piece.

In one embodiment, the connecting piece includes a plug body connected or integrally formed with the inner end of the inner telescopic unit or the reinforcing rod unit and a bent and extended hook part. One end of the hook part and the The plug body is fixedly connected or integrally formed, the hook pin groove is formed between the hook part and the plug body, and the notch is formed between the other end of the hook part and the plug body.

In one embodiment, a connecting rib is connected between the other end of the hook portion and the plug body, and one of the notches is formed on opposite sides of the connecting rib.

In one embodiment, the central lock includes a top cap and a bottom cap that can be interlocked or disengaged, the top cap and the bottom cap are respectively provided with the hanging pins, and the connecting piece includes a The upper connecting piece of the hanging pin on the top hat and the lower connecting piece of the hanging pin on the bottom hat.

In one embodiment, the hook portion of the upper connecting piece has a first inclined inner wall opposite to its plug body.

In one embodiment, the notch of the lower hanging buckle faces upward, and the hook portion of the lower connecting member has a second inclined inner wall opposite to its plug body and a limiting inner wall opposite to the hanging pin located therein, and the The inner limiting wall is located between the second inclined inner wall and the notch, and the side of the inner limiting wall close to the notch is lower than the side close to the second inclined inner wall.

In one embodiment, the reinforcing rod unit includes a first reinforcing rod and a second reinforcing rod that are rotationally connected. One end of the first reinforcing rod is provided with the upper connecting piece and can be connected through the upper connecting piece. Rotally connected to the top cap, one end of the second reinforcing rod is provided with the lower connecting piece and is rotatably connected to the bottom cap through the lower connecting piece; and/or, the inner telescopic The unit includes a first push rod and a second push rod that are rotationally connected. One end of the first push rod is provided with the upper connecting piece and is rotatably connected to the top cap through the upper connecting piece. One end of the second push rod is provided with the lower connecting piece and is rotatably connected to the bottom cap through the lower connecting piece.

In one embodiment, the reinforcing rod unit further includes a third reinforcing rod with one end rotatably connected to the other end of the first reinforcing rod, and the outer telescopic unit includes at least one end rotatably connected to the first reinforcing rod. The connecting rod assembly between the leg rods, the connecting rod assembly includes two first connecting rods and a second connecting rod that can relatively expand and come closer, the middle parts of the first connecting rod and the second connecting rod pass through The pivot shafts are rotatably connected, the other end of the third reinforcing rod is rotatably connected to a pivot seat, and the pivot seat is connected to the pivot shaft.

In one embodiment, one reinforcing rod unit is provided between each outer telescopic unit and the central lock.

In one embodiment, the tent further includes an overhang pole. After the tent is unfolded, the overhang pole has an open state and a folded state. In the open state, the inner end of the overhang pole is connected to the The outer end of the leg rod assembly is offset from the leg rod assembly by a certain distance, and in the folded state, the outer end of the eaves rod and the leg rod assembly are close to each other.

In one embodiment, the tent further includes a crossbar having a first end rotatably connected to the eaves pole and a second end used for detachable connection with the outer telescopic unit. When the eaves pole is in the open state, the second end of the cross bar is separated from the outer telescopic unit, and when the eaves bar is in the folded state, the second end of the cross bar is separated from the outer telescopic unit. The telescopic unit is connected; when the tent frame main body is switched from the unfolded state to the folded state, the second end of the cross bar is separated from the outer telescopic unit, and the eaves pole is changed from the folded state. Convert to open state.

In the tent of the present disclosure, a reinforcing rod unit is provided between the center lock and the outer telescopic unit, which can effectively improve the strength of the tent roof after the tent is deployed, avoid the problem of inward bending and deformation of the outer telescopic unit, and improve the strength of the tent.

Description of drawings

In order to explain the technical solutions of the present disclosure more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and are not useful in this field. Ordinary technicians can also obtain other drawings based on these drawings without exerting creative work.

Figure 1 is a schematic structural diagram of a tent according to an embodiment of the present disclosure, in which the eaves poles are not extended.

Figure 2a is a partial enlarged view of position A in Figure 1.

Figure 2b is a partial enlarged view of B in Figure 1.

Figure 3 is a schematic structural view of the tent shown in Figure 1 after the two eaves poles on the left side are extended.

Figure 4 is a schematic structural diagram of the tent shown in Figure 1 after all the overhang poles are extended.

Figure 5 is a front view of the tent shown in Figure 4.

Figure 6 is a schematic structural diagram of the folded tent of Figure 1 .

Figure 7 is a partial schematic view of the tent shown in Figure 1, in which the eaves poles are not extended.

Figure 8 is a schematic view of the location shown in Figure 7, in which the eaves pole extends.

FIG. 9 is another partial exploded view of the tent shown in FIG. 1 .

Figure 10a is another partial structural diagram of the tent shown in Figure 1.

Figure 10b is a schematic view of the location shown in Figure 10 when the crossbar is not shown.

Figure 11 is a schematic diagram of the connection process between the second end of the cross bar and the connecting rod.

Figure 12 is a schematic structural diagram of the second end of the crossbar.

Figure 13 is a schematic three-dimensional view of the central lock and a hooking mechanism.

Figure 14 is a cross-sectional view of the central lock and a hooking mechanism.

Figure 15 is a schematic diagram of the assembly of the central lock and an inner telescopic unit.

Figures 16a and 16b are respectively three-dimensional schematic views of the two connectors.

Figure 17 is a top view of another tent according to an embodiment of the present disclosure.

FIG. 18 is a partial perspective view of the tent shown in FIG. 17 .

Reference signs:
1-Leg rod; 10-Leg rod body; 101-Sliding sleeve; 102-Key hole; 11-Fixed joint; 12-Foot pad; 13-Roller;
2-top frame; 21-outer telescopic unit; 210-link assembly; 211-connecting rod; 211a-positioning protrusion; 212-third pivot; 22-inner telescopic unit;
221-The third ejector rod; 222-The first ejector rod; 223-The second ejector rod; 224-Incline rod; 23-Center lock; 231-Top cap; 232-Bottom cap; 233-Connecting part;
3-eaves pole; 30-fixed seat; 301-first pivot; 302-second pivot;
4-cross bar; 41-slot portion; 410-notch; 411-positioning slot;
5-support rod; 51-support seat; 52-unlock button;
6-Reinforcement rod unit; 621-third reinforcement rod; 621a-fourth pivot; 622-first reinforcement rod; 623-second reinforcement rod; 624-pivot seat;
7-hook mechanism; 70-hanging pin; 71-upper connector; 71a-first inclined inner wall; 72-lower connector; 72a-second inclined inner wall; 72b-limiting inner wall; 700-plug body; 701- Bending part; 702-notch; 703-connecting ribs.

Detailed ways

The preferred embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present disclosure can be more easily understood by those skilled in the art. It should be noted here that the description of these embodiments is used to help understand the present disclosure, but does not constitute a limitation of the present disclosure. In addition, the technical features involved in the various embodiments of the present disclosure described below may interact with each other as long as they do not conflict with each other. Combine.

Referring to Figures 1 to 12, the foldable tent of this embodiment has an unfolded state and a folded state, and includes a foldable tent frame main body 2; the tent frame main body 2 can be independently supported on the ground, and the tent frame The main body 2 is covered with a cloth cover (not shown in the figure) for sunshade, wind and rain protection, etc.; a part of the cloth cover (such as the edge part) can be hung on the side of the tent frame main body 2, and this part of the cloth cover is covered with a cloth cover (not shown in the figure). It's called a wrap. As shown in Figure 1 and Figures 3 to 5, the tent frame main body 2 includes a plurality of leg poles 1 extending in the up and down direction and a top frame connected to the upper part of the leg poles 1. It is supported on the ground by the leg poles 1 and has a cloth cover. Most of it is covered on the top shelf. The tent also includes a plurality of eaves poles 3 having inner ends and outer ends. The inner ends of the eaves poles 3 are rotatably connected to the leg poles 1, specifically via pivots. The number and position of the eaves poles 3 correspond to the leg poles 1 one-to-one, that is, the inner end of each eaves pole 3 is rotatably connected to the corresponding leg pole 1, and the above-mentioned surrounding cloth is connected to the outside of the eaves poles 3 The end can be stretched by the eaves pole 3 to serve as an eave to increase the sunshade area, and can also be hung on the side of the tent with the folding of the eaves pole 3 to be used as a side cloth. Each eaves pole 3 has a folded state and an open state respectively. The outer end of the eaves pole 3 is close to the leg pole 1 in the folded state and deviates from the leg pole 1 by a certain distance in the open state. That is to say, the eaves pole 3 has a folded state in which it is close to the leg pole 1 and an open state in which it is unfolded relative to the leg pole 1 . After the eaves pole 3 is unfolded, the surrounding cloth can be stretched outward, thereby increasing the sunshade area of the tent. Further, the eaves pole 3 on the left side extends to the left when it is in its open state, that is to say, the outer end of the eaves pole 3 is located on the left side of the leg pole 1; the eaves pole 3 on the right side extends to the left when it is in its open state. Extending to the right, that is to say, the outer end of the eaves pole 3 is located on the right side of the leg pole 1; thus, the cloth on the left and right sides can be stretched open, increasing the eaves area on the left and right sides of the tent, and increasing the area of the eaves on the left and right sides of the tent. Large shading areas on the left and right sides. When the eaves pole 3 is in the folded state, the cloth hangs down and is located on the side of the tent.

The top frame includes a plurality of foldable outer telescopic units 21 , and the outer telescopic units 21 are connected between adjacent leg poles 1 . The tent also includes a plurality of crossbars 4 , the number and position of the plurality of crossbars 4 correspond to the plurality of overhanging poles 3 one-to-one. As shown in FIGS. 7 to 12 , each cross bar 4 has a first end portion rotatably connected to the eaves bar 3 and a second end portion used for detachable connection with the outer telescopic unit 21 . When the eaves pole 3 is in the folded state, the second end of the cross bar 4 is separated from the outer telescopic unit 21, and when the eaves bar 3 is in the open state, the second end of the cross bar 4 is connected to the outer telescopic unit 21. When the tent frame body 2 switches from the unfolded state to the folded state, the second end of the crossbar 4 is separated from the outer telescopic unit 21, and the eaves pole 3 switches from the open state to the folded state. The second end of the crossbar 4 and the rod of the outer telescopic unit 21 are detachably connected, and are configured to be able to automatically detach from the outer telescopic unit 21 when the outer telescopic unit 21 is folded by the force from the eaves pole 3, as described below. One implementation will be described in detail.

It should also be noted that in this embodiment, the eaves pole 3 is directly and rotatably connected to the leg pole 1 through a pivot; in other embodiments, the eaves pole 3 can be indirectly rotatably connected to the leg pole 1 through other components. on the leg bar 1, for example, through a sliding sleeve, a connecting cap, etc. on the leg bar 1. In addition, the eaves pole 3 can also be detachably connected to the leg pole, for example, detachably plugged in.

The outer telescopic unit 21 includes a connecting rod 211 that can rotate downward when the tent frame body 2 is folded; a slot 41 that can be clamped on the connecting rod 211 is formed on the second end of the crossbar 4, and the slot 41 has a Notch 410 facing downwards, as shown in Figure 12. The slot formed by the slot portion 41 preferably extends upward from the lower surface of the slot portion 41 , and in the cross-section of the slot portion 41 perpendicular to the length direction of the connecting rod 211 , the outline of the slot is generally an inverted U shape. . When the tent frame main body 2 is folded, the connecting rod 211 will rotate downward and disengage from the slot of the slot portion 41, and the cross rod 4 and the outer telescopic unit 21 will be disconnected to avoid accidents caused by forgetting to fold the overhang rod 3. The tent frame main body 2 cannot be folded, or the overhang poles 3 and the poles of the tent frame main body 2 are damaged. In this embodiment, the overhang poles 3 are not opened along the diagonal direction of the tent; as shown in Figures 3 and 4, each overhang pole 3 opens along the first outer telescopic unit 21 (for example, the outer telescopic unit located on the front side) extends in the length direction, that is, when viewed from above, the eaves pole 3 and the first outer telescopic unit 21 extend in substantially the same direction. The crossbar 4 connected to the eaves pole 3 is detachably connected to the second external telescopic unit 21. The second external telescopic unit 21 intersects the first external telescopic unit 21, for example, the external telescopic unit located on the left side. unit.

As shown in FIGS. 10 b to 12 , a positioning protrusion 211 a is formed on the connecting rod 211 that cooperates with the cross bar 4 , and the slot portion 41 has a positioning groove 411 that matches the positioning protrusion 211 a to limit the slot portion 41 Slide along the length direction of connecting rod 211. The latching groove formed by the above-mentioned positioning groove 411 and the latching groove part 41 is connected with each other and extends upward from the lower surface of the latching groove part 41. When the latching groove part 41 is clamped on the connecting rod 211, the positioning protrusion 211a enters the positioning groove. 411; the positioning groove 411 has two opposite limiting walls, and the limiting wall as a whole is not parallel to the length direction of the connecting rod 211; the positioning protrusion 211a is located between the two limiting walls to prevent the slot portion 41 from being The connecting rod 211 moves forward and backward. Positioning protrusion 211a Specifically, it includes pins, rivets or rivets fixed on the connecting rod 211; further, the positioning protrusion 211a is located at the pivot joint between the connecting rod 211 and other rods (preferably other rods of the eaves frame), which can It is a part of the pivot shaft that pivotally connects the connecting rod 211 and other rod members or is arranged on the pivot shaft. In this embodiment, each crossbar 4 is composed of a single rod; in other embodiments, the crossbar 4 may be composed of multiple rods.

The tent also includes a plurality of support poles 5 having first and second ends. The number and position of the plurality of support poles 5 correspond to the eaves poles 3 one-to-one. As shown in Figure 2b and Figures 7 to 12, the first end of each support rod 5 is rotatably and slidably connected to the leg pole 1 in the up and down direction, and the second end is rotatably connected to the eaves pole. 3. Specifically, the first end of the support rod 5 is rotatably connected to the support base 51 , and the support base 51 is slidably connected to the leg rod 1 in the up and down direction. The support base 51 is preferably a sliding sleeve that can slide in the up and down direction on the leg rod 1 . The lower end of the support rod 5 is pivotally connected to the sliding sleeve, and the upper end of the support rod 5 is pivotally connected to the eaves rod 3 . An overhang locking mechanism is provided between the support base 51 and the leg pole 1. When the overhang pole 3 is in an open state, the overhang locking mechanism locks the support base 51 and the leg pole 1. The overhang locking mechanism can adopt a known structure, for example, the support base 51 is provided with a movable locking piece (not shown in the figure), the leg rod 1 is provided with a lock hole 102 that matches the locking piece, and the locking piece It is detachably inserted into the key hole 102 . When in the open state, the locking piece on the support base 51 is inserted into the lock hole 102 to lock the eaves rod 3 in the open state so that it can unfold stably; when it is necessary to switch to the folded state, press the unlock button 52 on the support base 51 , make the locking piece disengage from the key hole 102, the support seat 51 slides down to the lower part of the leg pole 1, driving the eaves pole 3 to fold until its outer end is close to the leg pole 1, and at the same time, the first end of the support pole 5 ( The lower end) is also close to the lower end of the leg rod 1.

Furthermore, a fixing seat 30 is provided between the inner end and the outer end of the eaves pole 3 , and the fixing seat 30 is located approximately in the middle of the eaves pole 3 . The first end of the crossbar 4 is rotatably connected to the fixed base 30 through the first pivot 301 , and the second end (upper end) of the support rod 5 is rotatably connected to the fixed base 30 through the second pivot 302 . When the eaves rod 3 is in the folded state, the angle formed between the axis of the first pivot 301 and/or the second pivot 302 and the horizontal plane is less than 10 degrees. Specifically, when the eaves rod 3 is in the folded state, the axis lines of the first pivot 301 and the second pivot 302 are preferably parallel to the horizontal plane or only inclined at a small angle, and the eaves rod 3 is in the folded state. 3. The axis line of the pivot connected to the leg bar 1 is also preferably parallel to the horizontal plane or only inclined at a small angle, so that the eaves bar 3 and the cross bar 4 can automatically fall under the action of their own gravity and hang on the legs. Side of pole 1. Furthermore, when the eaves pole 3 is in the folded state, the support rod 5 is close to the front or rear side of the eaves pole 3; and, when viewed from the front or rear side, the support rod 5 is completely blocked by the eaves pole 3.

As shown in FIG. 2 b and FIG. 7 to FIG. 9 , the leg pole 1 includes a leg pole main body 10 extending in the up and down direction, a fixing section 11 fixed on the upper end of the leg pole main body 10 , and a lower end fixed on the leg pole main body 10 . The inner end of the eaves pole 3 is pivotally connected to the fixed joint 11, the support seat 51 is slidably sleeved on the leg pole body 10, and the keyhole 102 is opened on the leg pole body 10. The foot pads 12 provide a larger contact area with the ground. The foot pads 12 of some leg poles 1 (for example, the two leg poles 1 on the right) are provided with rollers 13 to facilitate the transportation of the tent. Unless otherwise specified, the "upper end of the leg pole 1" and the "lower end of the leg pole 1" described below refer to the fixed joint 11 and the foot pad 12 respectively. Further, some or all of the foot pads 12 are provided with jacks; after the tent is folded, a protective bag with an open lower end can be placed on the tent, and the lower end of the protective bag is fixed on the jack through a connecting component, such as through Insert the pin on the connecting strap into the jack of foot pad 12 and fix the protective bag on the tent.

As shown in FIGS. 1 , 3 to 5 , the top frame of this embodiment includes a plurality of foldable outer telescopic units 21 and a plurality of foldable inner telescopic units 22 . The outer telescopic unit 21 is connected between adjacent leg poles 1; if the number of leg poles 1 is four, then one outer telescopic unit 21 is provided on the front, rear, left and right sides of the tent. Each outer telescopic unit 21 includes at least one link assembly 210 rotatably connected between adjacent leg bars 1. Each link assembly 210 includes two links 211 that can relatively expand and move closer. The middle parts of the rods 211 are rotationally connected through the third pivot 212 to form a crisscross structure similar to scissors. The upper end of the leg lever 1 (specifically, the fixed joint 11) is pivotally connected to one end of a link 211 in the connecting rod assembly 210; the leg lever 1 (specifically, the leg lever body 10) is also provided with The sliding sleeve 101 is slidably sleeved on the leg rod 1 in the up and down direction. The sliding sleeve 101 is pivotally connected to one end of the other link 211 in the link assembly 210 . When folding, the sliding sleeve 101 slides downward, and the two links 211 of the link assembly 210 move closer to each other laterally, so that the leg poles 1 move closer to each other, thereby reducing the size of the tent in the front, rear, left, and right directions, as shown in Figure 6 Show. Specifically in this embodiment, each outer telescopic unit 21 is composed of three link assemblies 210 that are rotationally connected in sequence. The above-mentioned latching groove portion 41 is preferably detachably connected to the upper end of the link 211 connected to the upper end of the leg bar 1, and the above-mentioned positioning protrusion 211a is also formed on the upper end of the link 211.

Each inner telescopic unit 22 includes a first ejector pin 222 and a third ejector pin 221 whose one end is rotatably connected to each other. The other end of the third ejector pin 221 is rotatably connected to the upper end of the leg pole 1. The other end of the first push rod 222 of 22 is rotatably connected to a central lock 23. The central lock 23 includes a top cap 231 and a bottom cap 232 that can be interlocked or disengaged. The other end of the first push rod 222 is rotatably connected to the top cap 231; each inner telescopic unit 22 also includes a second push rod 223. , one end of the second push rod 223 is rotatably connected to the first push rod 222 and the other end is rotatably connected to the bottom cap 232 . Each inner telescopic unit 22 also includes an inclined rod 224. The upper end of the inclined rod 224 is rotatably connected to the third push rod 221, and the lower end is rotatably connected to the sliding sleeve 101 on the leg rod 1. When the top cap 231 and the bottom cap 232 are locked, the tent frame body 2 is locked in the unfolded state through the center lock 23; when the top cap 231 and the bottom cap 232 are unlocked, the inclined rod 224 moves downward along with the sliding sleeve 101. When the inner telescopic unit 22 is pulled to fold, that is, the third push rod 221 and the first push rod 222 rotate downward, so that the inner end of the third push rod 221 and the outer end of the first push rod 222 move toward the lower end of the leg pole 1 The upper ends of the top cap 231 and the leg pole 1 are close to each other, and the lower end of the second push rod 223 and the outer end of the bottom cap 232 and the first push rod 222 are close to each other.

The tent frame body 2 also includes a reinforcing pole unit 6 connected between the outer telescopic unit 21 and the central lock 23 . Specifically, the reinforcing rod unit 6 includes a third reinforcing rod 621 and a first reinforcing rod 622 that are rotatably connected at one end. The other end of the third reinforcing rod 621 is rotatably connected to the outer telescopic unit. The third reinforcing rod 621 The other end is rotatably connected to the central lock 23, specifically the top cap 231. The reinforcing rod unit 6 also includes a second reinforcing rod 623. One end of the second reinforcing rod 623 is rotatably connected to the first reinforcing rod 622 and the other end is rotatably connected to the bottom cap 232. In this embodiment, the other end of the third reinforcing rod 621 is rotatably connected to the cross connection of the middle link assembly 210 . Specifically, the other end of the third reinforcing rod 621 is rotatably connected to a pivot seat 624 through the fourth pivot 621a. The pivot seat 624 is fixedly connected to the third pivot 212. The axis of the fourth pivot 621a The angle between the line and the axis line of the third pivot 212 is greater than zero and less than 180 degrees, and is preferably perpendicular to each other. The tent of this embodiment has two reinforcing rod units 6, which are respectively provided on the left and right sides of the top frame.

It should also be noted that in this embodiment, the inner end of each inner telescopic unit 22 and the inner end of the reinforcing rod unit 6 are rotatably connected to the central lock 23 through the hooking mechanism 7. The hooking mechanism 7 includes The hanging pin 70 and the connecting piece (specifically the upper connecting piece 71 and the lower connecting piece 72 mentioned below); a hanging pin groove for accommodating the hanging pin 70 is formed in the connecting piece, and the hanging pin groove has a hanging pin 71 for Entering notch 702 is configured to allow the hanging pin 70 to enter the hanging pin groove in a direction intersecting its center line. That is to say, unlike the traditional screw connection method (the screw is generally inserted into the screw hole of the rod along its center line), in this embodiment, the hanging pin 70 enters the hanging pin groove in the connecting piece from the circumferential outside of the connecting piece. . Specifically, the connecting piece is generally a hook-shaped component similar to a hook, and the hanging pin 70 hooks the connecting piece, as shown in Figures 13 to 16b. The top cap 231 and the bottom cap 232 of the center lock 23 each have a plurality of protruding connecting portions 233 spaced apart along its circumferential direction. The top cap 231 and the bottom cap 232 are generally petal-shaped. Hanging pins 70 are respectively formed on the opposite surfaces of two adjacent connecting parts 233 . The connecting parts are located between the two adjacent connecting parts 233 . Each connecting part and the two hanging pins 70 are connected and matched with each other. The connecting piece includes a plug body 700 connected or integrally formed with the inner end of the inner telescopic unit 22 or the reinforcing rod unit 6 and a bent and extended hook part 701; the plug body 700 is specifically inserted into the end of the rod (such as the first reinforcing rod 622 the inner end of the second reinforcing rod 623, the inner end of the first push rod 222 or the inner end of the second push rod 223) and are tightly connected by screws; one end of the hook portion 701 and the plug body 700 is fixedly connected or integrally formed. The space between the hook part 701 and the plug body 700 is the above-mentioned hanging pin groove. A groove for the hanging pin 70 to enter the hook part 701 is formed between the other end of the hook part 701 and the plug body 700. Mouth 702. A connecting rib 703 is connected between the other end of the hook portion 701 and the plug body 700 . A notch 702 is formed on opposite sides of the connecting rib 703 for the two hanging pins 70 to be inserted. The width of the connecting rib 703 is smaller than the distance between an adjacent pair of hanging pins 70 so that it can pass between the two hanging pins 70 .

The top cap 231 and the bottom cap 232 are respectively provided with hanging pins 70. The connecting parts include an upper connecting part 71 of the hanging pin 70 hooked on the top cap 231 and a lower connecting part 72 of the hanging pin 70 hooked on the bottom cap 232. Both the upper connecting piece 71 and the lower connecting piece 72 have the above-mentioned plug body 700, hook portion 701 and notch 702. The only difference is that the inner wall of the hook portion 701 is slightly different. As shown in Figure 14 and Figure 16a, the notch 702 of the upper connecting piece 71 faces upward, and the hook portion 701 of the upper connecting piece 71 has a first inclined inner wall 71a opposite to the plug body 700. The first inclined inner wall 71a is generally in contact with the plug body. The surfaces of 700 are opposite and parallel to each other. As shown in Figure 4 and Figure 16b, the notch 702 of the lower connecting piece 72 faces upward, and the hook portion 701 of the lower connecting piece 72 has a second inclined inner wall 72a opposite to its plug body 700 and a second inclined inner wall 72a opposite to the hanging pin 70 located therein. The limiting inner wall 72b is located between the second inclined inner wall 72a and the notch 702. The limiting wall is located above the hanging pin 70 and faces the hanging pin 70; Generally speaking, the side of the limiting wall close to the notch 702 is lower than the side close to the second inclined inner wall 72a, thereby preventing the hanging pin 70 from falling out of the notch of the lower connecting member 72 during the turning and closing process of the rod. 702 slides out. The hanging pin 70 is integrally formed on the top cap 231 and the bottom cap 232 .

Specifically, an upper connecting piece 71 is fixed on the inner end of the first push rod 222 of each inner telescopic unit 22, and the upper connecting piece 71 is hung on the hanging pin 70 of the top cap 231 to connect with the top cap 231. The cap 231 is rotationally connected; a lower connecting piece 72 is fixed on the inner end of the second push rod 223 of each inner telescopic unit 22, and the lower connecting piece 72 is hung on the hanging pin 70 of the bottom cap 232. The bottom cap 232 is rotationally connected. An upper connecting piece 71 is fixed on the inner end of the first reinforcing rod 622 of each reinforcing rod unit 6. The upper connecting piece 71 is hung on the hanging pin 70 of the top cap 231 to be rotationally connected to the top cap 231. ; The inner end of the second reinforcing rod 623 of each reinforcing rod unit 6 is fixedly provided with a lower connecting piece 72. The lower connecting piece 72 is hung on the hanging pin 70 of the bottom cap 232 and rotates with the bottom cap 232. connect. During assembly, the hanging pin 70 is slid into the connecting piece from the notch 702, and then the rod is pulled down so that the hanging pin 70 enters the inside of the connecting piece. Under the action of the rod's own weight and other rods, the connecting piece is kept in place. The state of hanging on the hanging pin 70 ensures that the inner telescopic unit 22 and the center lock 23 and the reinforcing rod unit 6 and the center lock 23 are effectively connected and will not be separated during normal use; compared with the traditional screw connection method, assembly is more convenient and cost-effective lower.

In the tent shown in FIG. 1 and FIGS. 2 to 4 , reinforcing pole units 6 are provided only between the outer telescopic units 21 on the left and right sides and the central lock 23 . In the tent shown in Figures 17 and 18, a reinforcing rod unit 6 is provided between each outer telescopic unit 21 and the central lock 23; the first reinforcing rod 622 of each reinforcing rod unit 6 passes through a hooking mechanism. Connected to the top cap 231 of the center lock 23, the second reinforcing rod 623 of each reinforcing rod unit 6 is connected to the bottom cap 232 of the center lock 23 through a hooking mechanism; the first top rod 222 of each inner telescopic unit 22 The top cap 231 of the center lock 23 is connected to each other through a hooking mechanism, and the second push rod 223 of each inner telescopic unit 22 is connected to the bottom cap 232 of the center lock 23 through a hooking mechanism.

The method of using the tent is as follows: unfold the tent frame main body 2, and after unfolding, lock the top cap 231 and the bottom cap 232 with each other to make the tent unfold stably. As shown in Figure 1, you can choose to move the overhang pole on one side according to your needs. 3, as shown in Figure 3; or choose to open the eaves poles 3 on both sides, as shown in Figures 4 and 5. The specific process of opening the eaves pole 3 is: lift the eaves pole 3, move the support base 51 upward, and clamp the second end of the cross bar 4 to the positioning protrusion 211a on the connecting rod 211. The locking mechanism locks the eaves rod 3 stably in its open state. The specific process of folding the eaves rod 3 is: unlock the eaves locking mechanism, make the second end of the cross bar 4 separate from the connecting rod 211, and under the action of its own gravity, the support base 51 slides down, and the eaves rod 3 and the cross bar 4 automatically hangs down to the side of the leg rod body 10. When you need to fold the tent, you can fold the overhang pole 3 in advance; if you forget to fold it, the cross pole 4 can automatically break away from the connecting rod 211 under the extrusion of external force during the folding process of the tent frame body 2. be released, specifically: unlock the top cap 231 and the bottom cap 232, move the sliding sleeve 101 on the leg rod body 10 downward, and rotate the connecting rods 211 of the outer telescopic unit 21 closer to each other, especially the connecting rod connected to the crossbar 4. The rod 211 rotates downward and detaches from the notch 410 on the slot portion 41, and the tent frame main body 2 is folded normally.

After the tent is unfolded, the overhang poles 3 can be flexibly opened or closed according to needs, and the opening and closing are quick and convenient; the crossbars 4 can be used to strengthen the overhang poles 3 after they are opened, and have good strength. ; Particularly, if you forget to fold the eaves pole 3 when folding the tent, as the outer telescopic unit 21 folds, the second end of the crossbar 4 can automatically connect with the outer telescopic unit 21 under the action of external force. When the pole 211 is detached, the overhang pole 3 will not be accidentally broken or the structure of the tent frame main body 2 will be damaged due to forgetting to close the overhang pole 3 . In addition, a foldable reinforcing rod unit 6 is provided between the outer telescopic unit 21 and the central lock 23, which can offset or reduce the thrust of the crossbar 4 on the outer telescopic unit 21 while unfolding and folding the tent frame body 2. This avoids the problem of concave deformation of the outer telescopic unit 21 caused by the thrust of the crossbar 4. The tent frame main body 2 is locked by a central lock 23 and can be opened and closed quickly.

As shown in this specification and claims, the terms "comprising" and "comprising" only imply the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list. Methods or devices may also include other steps or elements. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

The indefinite articles "a,""an," and "an" preceding an element or ingredient herein are intended to indicate a non-limiting indication of the number of instances (ie, occurrences) of the element or ingredient unless the context clearly dictates otherwise. Thus, "a,""an," and "an" should be understood to include one or at least one, and the singular form of the element or ingredient also includes the plural form.

It should be noted that, unless otherwise specified, when a feature is said to be "fixed" or "connected" to another feature, it can be directly fixed or connected to another feature, or it can be indirectly fixed or connected to another feature. on a characteristic. In addition, descriptions such as upper, lower, left, and right used in the present disclosure are only relative to the mutual positional relationship of the various components of the present disclosure in the drawings.

It is further understood that the terms "first", "second", etc. are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other and do not imply a specific order or importance. In fact, expressions such as "first" and "second" can be used interchangeably. For example, without departing from the scope of the present disclosure, the first information may also be called second information, and similarly, the second information may also be called first information.

The above embodiment is only for illustrating the technical concept and characteristics of the present disclosure. It is a preferred embodiment. Its purpose is to enable those familiar with this technology to understand the content of the present disclosure and implement it accordingly. It does not limit the scope of the present disclosure. protected range. All equivalent transformations or modifications made based on the principles of the present disclosure should be included in the protection scope of the present disclosure.

Claims

A tent consisting of:

At least three leg bars;

A plurality of external telescopic units, each of the external telescopic units is connected between adjacent two of the at least three leg bars;

A plurality of inner telescopic units, each inner telescopic unit is connected to each of the leg poles and has an inner end, and the outer telescopic unit and the inner telescopic unit constitute the top frame of the tent;

A central lock, which is used to lock the tent in an unfolded state when locked and allows the tent to be folded into a collapsed state after unlocking, and the inner end of each inner telescopic unit is rotatably connected to the center lock;

It is characterized in that the tent also includes:

At least one reinforcing rod unit has an outer end and an inner end. The outer end of the reinforcing rod unit is rotatably connected to one of the plurality of outer telescopic units. The inner end of the reinforcing rod unit Rotably connected to the central lock.
The tent according to claim 1, wherein the inner end of each inner telescopic unit and/or the inner end of the reinforcing rod unit is rotatably connected to the central lock through a hooking mechanism, so The hooking mechanism includes a hanging pin and a connecting piece that cooperate with each other. A hanging pin groove for accommodating the hanging pin is formed in the connecting piece. The hanging pin groove has a notch for the hanging pin to enter. The notch is configured so that the hanging pin enters the hanging pin groove in a direction intersecting its center line.
The tent according to claim 2, wherein the central lock has a plurality of connecting portions spaced apart along its circumference, and two adjacent connecting portions among the plurality of connecting portions are respectively formed with a plurality of connecting portions on their opposite surfaces. As for the hanging pin, the connecting piece is located between two adjacent connecting parts, and two hanging pins are housed in each connecting piece.
The tent according to claim 3, wherein the connecting member includes a plug body connected to or integrally formed with the inner end of the inner telescopic unit or the reinforcing rod unit and a bent and extended hook portion. One end of the hook part is fixedly connected or integrally formed with the plug body, the hook pin groove is formed between the hook part and the plug body, and the notch is formed between the other end of the hook part and the plug body. Said between the plug bodies.
The tent according to claim 4, wherein a connecting rib is connected between the other end of the hook part and the plug body, and one of the notches is formed on opposite sides of the connecting rib. .
The tent according to claim 4, wherein the central lock includes a top cap and a bottom cap that can be interlocked or disengaged, and the top cap and the bottom cap are respectively provided with the hanging pins, so The connecting piece includes an upper connecting piece connected to the hanging pin on the top cap and a lower connecting piece connected to the hanging pin on the bottom cap.
The tent according to claim 6, wherein the hook portion of the upper connecting member has a first inclined inner wall opposite to its plug body.
The tent according to claim 6 or 7, characterized in that the notch of the hook pin groove faces upward, and the hook part of the lower connecting piece has a second inclined inner wall opposite to its plug body and a hook located therein. The limiting inner wall is opposite to the pin. The limiting inner wall is located between the second inclined inner wall and the notch. The side of the limiting inner wall close to the notch is lower than the side of the limiting inner wall close to the second inclined inner wall. one side.
The tent according to claim 6, wherein the reinforcing rod unit includes a first reinforcing rod and a second reinforcing rod that are rotationally connected, and one end of the first reinforcing rod is provided with the upper connecting piece and The upper connecting piece is rotatably connected to the top cap. One end of the second reinforcing rod is provided with the lower connecting piece and is rotatably connected to the bottom cap through the lower connecting piece.
The tent according to claim 6 or 9, characterized in that the inner telescopic unit includes a first push rod and a second push rod that are rotationally connected, and one end of the first push rod is provided with the upper connection and is rotatably connected to the top cap through the upper connecting piece. One end of the second push rod is provided with the lower connecting piece and is rotatably connected to the bottom cap through the lower connecting piece. .
The tent according to claim 10, wherein the reinforcing rod unit further includes a third reinforcing rod with one end rotatably connected to the other end of the first reinforcing rod, and the outer telescopic unit includes at least A link assembly rotatably connected between the leg bars, the link assembly includes two first links and a second link that can relatively expand and come closer, the first link and the second connecting rod The middle portion is rotatably connected through a pivot, and the other end of the third reinforcing rod is rotatably connected to a pivot seat, and the pivot seat is connected to the pivot.
The tent according to any preceding claim, wherein one reinforcing rod unit is provided between each outer telescopic unit and the central lock.
The tent according to any one of the preceding claims, wherein the tent further includes an overhang pole. After the tent is unfolded, the overhang pole has an open state and a folded state. In the open state, the overhang pole The inner end of the eaves pole is connected to the leg pole assembly and the outer end is offset from the leg pole assembly by a certain distance. In the folded state, the outer end of the eaves pole and the leg pole assembly are close to each other.
The tent according to claim 13, characterized in that the tent further includes a cross bar, the cross bar has a first end rotatably connected to the eaves pole and is used to connect with the outer telescopic unit. The second end of the detachable connection, the second end of the cross bar is separated from the outer telescopic unit when the overhang bar is in the open state, and the third end of the cross bar when the overhang bar is in the folded state. The two ends are connected to the outer telescopic unit; when the tent frame body is switched from the expanded state to the folded state, the second end of the cross bar is separated from the outer telescopic unit, so The eaves pole is converted from a folded state to an open state.