CN110630085A

CN110630085A - Folding tent with center self-locking structure

Info

Publication number: CN110630085A
Application number: CN201910993942.7A
Authority: CN
Inventors: 徐伟军; 孙渊儒; 何健
Original assignee: ZHEJIANG JASAN LEISURE PRODUCT Co Ltd
Current assignee: ZHEJIANG JASAN LEISURE PRODUCT Co Ltd; Zhejiang Jiansheng Leisure Products Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2019-12-31

Abstract

The invention discloses a folding tent with a central self-locking structure, which comprises a plurality of tent leg tubes, a plurality of side cross units, a plurality of middle cross units and at least one central self-locking mechanism, wherein the central self-locking mechanism is used for being installed in a matching way with one end of each middle cross unit, the central self-locking mechanism comprises a locking rod assembly, a self-locking unit, an upper disc part and a lower disc assembly, and the locking rod assembly is of a telescopic rod structure; when the folding tent is in an unfolded state, the self-locking unit and the locking rod assembly are locked, and the distance between the upper disc piece and the lower disc assembly is the minimum; when the folding tent is in a contraction state, the self-locking unit and the locking rod assembly are unlocked, the locking rod assembly is telescopic, and the distance between the upper disc piece and the lower disc assembly is gradually increased along with contraction. The invention is convenient for product installation, reduces production cost and is convenient for product processing by optimizing the self-locking unit structure.

Description

Folding tent with center self-locking structure

Technical Field

The invention relates to the technical field of folding tents, in particular to a folding tent with a central self-locking structure.

Background

The tent has various structural forms, and the tent for outdoor sunshade can be generally divided into a fixed tent and a folding tent. The fixed tent is enlarged in size, is usually suitable for long-term fixed placement and is not suitable for being carried outdoors. The folding tent is also named as an advertisement tent and a sunshade, and can be used for holding outdoor exhibition and product promotion and publicity, celebration evening, exhibition and sales, travel and leisure, field operation, large gear and the like. However, the conventional folding tent is usually provided with the lock catches on the leg rods, and needs to be operated by a plurality of people to complete folding, storage or unfolding, so that the operation is cumbersome.

Therefore, many folding tents with central unlocking structures are developed nowadays, for example, the publication number is CN204024196U, and a tent with a single-point lock is disclosed, which comprises leg tubes, cross tubes, a central tube and a slide block, wherein the cross tubes are composed of outer cross tubes and inner cross tubes, the leg tubes are located at the outer side of the central tube, two adjacent leg tubes are hinged to each other through X-shaped outer cross tubes, and the leg tubes and the central tube are hinged to each other through X-shaped inner cross tubes; the central tube is internally provided with a single-point locking structure. The single-point locking structure comprises a first sliding block, a movable pin connecting block, a first movable pin, a connecting rod, a button block, a first central bottom cap and a first central top cap, and a locking hole is formed in the central pipe; a button block is arranged in the lower end pipe of the central pipe, the upper end of the button block is connected with one end provided with a connecting rod, the other end of the connecting rod is connected with a movable pin connecting block, a chute is arranged on the movable pin connecting block, and the other end of the connecting rod is embedded in the chute of the movable pin connecting block through a movable bolt and is connected with the movable pin connecting block; the upper end of the movable pin connecting block is connected with a movable pin I; the outer side of the central tube is sleeved with a first sliding block, a round hole is formed in the first sliding block, and a first movable pin is embedded in the round hole of the first sliding block through a lock catch hole of the central tube. However, such a single-point lock structure is relatively complex, and it needs to be integrated and set up in the center tube, resulting in higher product processing cost, and in the long-term use process, the loss easily appears in individual spare part, resulting in the unable normal use of product, influences performance.

Disclosure of Invention

Aiming at the problems, the invention aims to provide a folding tent with a central self-locking structure, which has the characteristics of simple structure, convenience in processing, lower cost and good stability.

The technical problem solved by the invention can be realized by adopting the following technical scheme:

a folding tent with a central self-locking structure comprises a plurality of tent leg tubes, a plurality of side cross units, a plurality of middle cross units and at least one central self-locking mechanism, wherein the central self-locking mechanism is used for being installed in a matched mode with one end of each middle cross unit, the central self-locking mechanism comprises a locking rod assembly, a self-locking unit, an upper disc piece and a lower disc assembly, and the locking rod assembly is of a telescopic rod structure; when the folding tent is in an unfolded state, the self-locking unit and the locking rod assembly are locked, and the distance between the upper disc piece and the lower disc assembly is the minimum; when the folding tent is in a contraction state, the self-locking unit and the locking rod assembly are unlocked, the locking rod assembly is telescopic, and the distance between the upper disc piece and the lower disc assembly is gradually increased along with contraction.

The locking rod assembly comprises an outer locking rod, a first inner rod and a second inner rod, a locking groove is formed in the lower portion of the outer locking rod, and the first inner rod and the second inner rod can stretch and move relative to the outer locking rod.

The upper part of the outer lock rod is fixedly arranged with the upper disc piece.

The self-locking unit is used for being installed in a matched mode with the lower disc assembly and comprises a locking plate, a reset spring, a transmission pin and a trigger, the trigger is matched with the lower disc assembly in a hinged mode, one end of the trigger can movably abut against the transmission pin, the upper end of the transmission pin is matched with the locking plate, and the reset spring is used for acting on the locking plate; the transmission pin is hinged and matched with the lower disc assembly.

The auto-lock unit is used for installing with the lower wall subassembly cooperation, the auto-lock unit includes locking plate, reset spring and presses the board, press the board with the articulated cooperation of lower wall subassembly, press the board through upwards press the mobile conflict of back one end in the locking plate, reset spring is used for acting on the locking plate.

The auto-lock unit is used for installing with the lower wall subassembly cooperation, the auto-lock unit includes locking plate, reset spring and pulls the board, pull the board with the articulated cooperation of lower wall subassembly, pull the board through pull down the mobile conflict of back one end in the locking plate, reset spring is used for acting on the locking plate.

The self-locking unit is used for being installed in a matched mode with the lower disc assembly and comprises a lock pin, a reset spring and a clamping seat, one end of the reset spring is abutted to the lock pin, the other end of the reset spring is abutted to the clamping seat, the reset spring deforms along with the movement of the lock pin, the clamping seat is fixedly installed with the lower disc assembly, and one end of the lock pin penetrates through the clamping seat and extends to the outside of the lower disc assembly.

The self-locking unit is used for being installed in a matched mode with the lock rod assembly, the self-locking unit is a bean popping part, the bean popping part is installed in a matched mode with the first inner pipe, the lower end of the first inner pipe is installed in a matched mode with the lower disc assembly, and the bean popping part is used for being matched with the lock groove in a locked mode.

The lower disc component is hinged with a button piece, the button piece can movably abut against the bean popping piece, and the bean popping piece and the lock groove can be unlocked.

The outer lock rod is further provided with a pre-pressing groove, the pre-pressing groove is used for being installed in a matched mode with the bean popping part, and the pre-pressing groove is located on an axial movable stroke line of the bean popping part.

According to the invention, through the optimized design, a plurality of self-locking unit structures are arranged, and particularly, the self-locking unit and the lower disc assembly are integrated and combined, so that the locking or unlocking with the locking rod assembly can be completed, the self-locking unit structures are simplified, and meanwhile, the assembly and installation of the self-locking unit are facilitated; in addition, the structural design of the bean popping part is preferably adopted, the locking performance and the resetting performance of the bean popping part are utilized, the mounting structure of the self-locking unit and the locking rod assembly is simplified, and the locking or unlocking of the locking rod assembly can be realized. In conclusion, the self-locking mechanism is convenient to install, reduces the production cost and is convenient to process by optimizing the self-locking unit structure.

The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.

Drawings

FIG. 1 is a structural diagram illustrating the overall unfolded state of the present invention;

FIG. 2 is a schematic structural view of the present invention in an overall contracted state;

fig. 3 is a structural schematic view of a locking state of the central self-locking mechanism in embodiment 2 of the present invention;

fig. 4 is a structural schematic view of an unlocked state of the central self-locking mechanism in embodiment 2 of the present invention;

FIG. 5 is an exploded view of the center lock mechanism according to embodiment 2 of the present invention;

FIG. 6 is a schematic cross-sectional view of a central self-locking mechanism in embodiment 2 of the present invention;

fig. 7 is a schematic structural view of a locking plate in embodiment 2 or embodiment 3 of the present invention;

fig. 8 is a structural schematic view of a locking state of the central self-locking mechanism according to embodiment 3 of the present invention;

fig. 9 is a structural schematic view of a center self-locking mechanism in a pressed and unlocked state according to embodiment 3 of the present invention;

FIG. 10 is an exploded view of the center lock mechanism according to embodiment 3 of the present invention;

FIG. 11 is a schematic cross-sectional view of a center self-locking mechanism in accordance with embodiment 3 of the present invention;

fig. 12 is a structural schematic view of a locking state of the central self-locking mechanism according to embodiment 4 of the present invention;

fig. 13 is a structural schematic view of an unlocked state of the central self-locking mechanism according to embodiment 4 of the present invention;

FIG. 14 is an exploded view of the center lock mechanism according to embodiment 4 of the present invention;

FIG. 15 is a schematic cross-sectional view of the center lock mechanism according to embodiment 4 of the present invention;

fig. 16 is a schematic structural view of a locking plate in embodiment 4 of the present invention;

fig. 17 is a structural schematic view of a locking state of the central self-locking mechanism in embodiment 5 of the present invention;

fig. 18 is a structural schematic view of an unlocked state of the central self-locking mechanism in embodiment 5 of the present invention;

FIG. 19 is an exploded view of the center lock mechanism according to embodiment 5 of the present invention;

FIG. 20 is a schematic cross-sectional view of the center lock mechanism in accordance with embodiment 5 of the present invention;

FIG. 21 is a schematic view of a lock pin structure in embodiment 5 of the present invention;

fig. 22 is a structural schematic view of a locking state of the central self-locking mechanism according to embodiment 6 of the present invention;

fig. 23 is a structural schematic view of an unlocked state of the central self-locking mechanism according to embodiment 6 of the present invention;

FIG. 24 is a schematic cross-sectional view of the center lock mechanism according to embodiment 6 of the present invention;

fig. 25 is a structural schematic view of a locking state of the central self-locking mechanism according to embodiment 7 of the present invention;

fig. 26 is a structural view illustrating an unlocked state of the central self-locking mechanism according to embodiment 7 of the present invention;

FIG. 27 is an exploded view of the center lock mechanism according to embodiment 7 of the present invention;

FIG. 28 is a schematic cross-sectional view of a center lock mechanism according to embodiment 7 of the present invention;

wherein 1, a central self-locking mechanism; 11. a locking bar assembly; 111. an outer lock lever; 112. a first inner bar; 113. a second inner bar; 114. locking the groove; 115. pre-pressing a groove; 12. an upper disc; 13. a lower disc assembly; 131. a first lower disc; 132. a second lower disc; 133. a button member; 134. a lock seat; 135. unlocking the opening; 14. a self-locking unit; 141. a locking plate; 1411. the locking plate body; 1412. a spring bolt; 1413. a latch bolt; 1414. a travel hole; 142. a return spring; 143. a trigger; 1431. a top block; 144. a drive pin; 145. pressing a plate; 1451. pushing the plate; 146. pulling a plate; 1461. a push block; 147. a lock pin; 1471. a latch bolt; 1472. a spring clamping table; 1473. a lock pin body; 148. a card holder; 149. bean popping parts; 1491. a bean popping part; 1492. an elastic portion; 2. tent leg tubes; 3. a side cross unit; 4. and a middle cross unit.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Example 1

As shown in the figures, the invention provides a folding tent with a central self-locking structure, which comprises a plurality of tent leg pipes 2, a plurality of side cross units 3, a plurality of middle cross units 4 and at least one central self-locking mechanism 1, wherein the central self-locking mechanism 1 is used for being installed in a matching way with one end of each middle cross unit 4, the central self-locking mechanism 1 comprises a locking rod assembly 11, a self-locking unit 14, an upper disc assembly 12 and a lower disc assembly 13, and the locking rod assembly 11 is of a telescopic rod structure; when the folding tent is in an unfolded state, the self-locking unit 14 and the locking rod assembly 11 are locked, and the distance between the upper disc member 12 and the lower disc assembly 13 is minimum; when the folding tent is in a contracted state, the self-locking unit 14 and the locking rod assembly 11 are unlocked, the locking rod assembly 11 can be extended and retracted, and the distance between the upper disc assembly 12 and the lower disc assembly 13 is gradually increased along with the contraction.

Preferably, the number of the tent leg pipes 2 is 4, but the number of the tent leg pipes 2 is not limited to 4, such as publication No. CN204475966U, which discloses a polygonal full-crossing tent; the number of the side cross units 3 is generally the same as the number of the tent leg pipes 4, and preferably 4; the number of the middle cross units 4 is generally the same as the number of the side cross units 3, preferably 4; the two ends of the side cross unit 3 are respectively hinged with the tent leg pipes 2; one end of the middle cross unit 4 is used for being hinged and matched with the tent leg pipe 2 or being hinged and matched with the middle part of the side cross unit 3, and the other end is used for being hinged and matched with the central self-locking mechanism 1.

Preferably, the locking rod assembly 11 includes an outer locking rod 111, a first inner rod 112 and a second inner rod 113, a locking groove 114 is formed in the lower portion of the outer locking rod 111, the first inner rod 112 and the second inner rod 113 can move in a telescopic manner relative to the outer locking rod 111, the outer locking rod 111 is sleeved on the outer side of the first inner rod 112 or the second inner rod 113, the first inner rod 112 is sleeved on the outer side of the second inner rod 113 or the second inner rod 113 is sleeved on the outer side of the first inner rod 112, wherein the outer locking rod 111, the first inner rod 112 and the second inner rod 113 can be made of square tubes, regular polygonal tubes or circular tubes, and the inner portions are all hollow structures.

Preferably, the upper part of the external locking rod 111 is fixedly installed with the upper tray 12, the upper tray 12 is usually made of plastic and is provided with a plurality of hinged seats for being hinged and matched with the pipe fittings in the middle cross unit 4, and the assembling structure is a common assembling structure in the existing folding tent; wherein, the upper disc component 12 is sleeved on the external lock rod 111, and the preferred position is the top end of the external lock rod 111.

Example 2

As shown in the figures, based on embodiment 1, the self-locking unit 14 in this embodiment is used to be installed in cooperation with the lower disc assembly 13, and the self-locking unit 14 and the lower disc assembly 13 are integrally assembled, so that the installation of the self-locking unit 14 is facilitated, the structure of the self-locking unit 14 and the structure of the lock rod assembly 11 can be simplified, and the lock or unlock of the lock rod assembly 11 is facilitated.

Wherein, preferred auto-lock unit 14 includes locking plate 141, reset spring 142, driving pin 144 and trigger 143, and trigger 143 is articulated to cooperate with lower wall subassembly 13, and trigger 143 one end movable conflict in driving pin 144, and driving pin 144 upper end cooperates with locking plate 141, and reset spring 142 is used for acting on locking plate 141, and driving pin 144 articulates cooperation with lower wall subassembly 13.

The lower disc assembly 13 comprises a first lower disc 131 and a second lower disc 132, the first lower disc 131 and the second lower disc 132 are assembled in a vertical combination manner, a cavity structure for installing a locking plate 141, a return spring 142, a transmission pin 144 and a trigger 143 is formed inside the cavity structure, the trigger 143 is hinged and matched with the second lower disc 132 through a pin shaft, in addition, the trigger 143 can be hinged and matched with the second lower disc 132 through hinge convex shafts arranged on two sides, the trigger 143 is positioned at the bottom of the second lower disc 132 and is relatively embedded into the second lower disc 132, one end of the trigger 143 can be conveniently pulled downwards by a user, and the other end of the trigger 143 is provided with a top block 1431 for abutting and matching with the transmission pin 144; the driving pin 144 is preferably of a columnar structure, the driving pin 144 is preferably hinged and matched with the second lower disc 132 and also can be hinged and matched with the first lower disc 131, hinged protruding shafts are radially extended from two side ends of the driving pin 144, the driving pin is conveniently hinged and matched with the second lower disc 132, a penetrating pin shaft can be adopted for hinged and matching, and the upper end of the driving pin 144 is matched with the locking plate 141; the locking plate 141 includes a locking plate body 1411, a locking plate 1413, a spring bolt 1412 and a stroke hole 1414, wherein the locking plate 1413 is used for cooperating with the locking groove 114 on the outer locking rod 111, one end of the return spring 142 cooperates with the spring bolt 1412, the other end abuts against the cavity wall in the first lower disc 131 or/and the second lower disc 132, and the upper end of the driving pin 144 is inserted into the stroke hole 1414, so as to realize the position movement of the locking plate 141.

In the lock rod assembly 11, the lower end of the second inner rod 113 is fixedly installed with the lower disc assembly 13, when the folding tent is in complete contraction, the upper end of the second inner rod 113 and the first inner rod 112 are in a separation state or the upper end of the second inner rod 113 is in butt joint with the lower end of the first inner rod 112, and in the unfolding process of the folding tent, the butt joint performance of the telescopic rods of the first inner rod 112 and the second inner rod 113 is utilized, so that the locking positioning of the self-locking unit 14 is facilitated, and the locking stability and the accuracy are improved.

The locking or unlocking principle of the embodiment is as follows: when the unlocking is needed, the user pulls the trigger 143 downwards, the trigger 143 utilizes a hinged structure, the other end of the trigger 143 pulls to enable the top block 1431 in the trigger 143 to abut against the lower end of the driving pin 144, so that the lower portion of the driving pin 144 is offset towards the inner center, the hinged position of the driving pin 144 is preferably the middle portion, because the lower portion of the driving pin 144 is offset inwards, the upper end of the driving pin 144 is offset outwards, the upper end of the driving pin 144 abuts against the hole wall of the stroke hole 1414, so that the locking plate body 1411 is pushed to move outwards, the locking plate 1413 is separated from the locking groove 114, and the return spring 142 is compressed and deformed due to stress, after the locking plate 1413 is completely separated from the locking groove 114, the user pulls the lower disc assembly 13 downwards to enable the lower disc assembly 13 to be separated from the outer locking rod 111, and when the lower disc assembly 13 is continuously far; when the locking is required to be completed, the folding tent is unfolded by turning from the folding state, the lower disc assembly 13 continuously moves upwards, when the outer lock rod 111 is inserted into the lock cavity at the inner center of the first lower disc 131, the lock tongue 1413 is stressed to abut against the outer side wall of the outer lock rod 111, the acting force is provided by the return spring 142, when the lock groove 114 in the outer lock rod 111 and the lock tongue 1413 are in the same horizontal plane, the lock tongue 1413 is under the acting force of the return spring 142, so that the lock tongue 1413 is inserted into the lock groove 114 to realize the locking state, and at the moment, the folding tent is in the fully unfolded state.

Example 3

The preferred self-locking unit 14 includes a locking plate 141, a return spring 142 and a pressing plate 145, the pressing plate 145 is hinged to the bottom wall assembly 13, one end of the pressing plate 145 movably abuts against the locking plate 141, and the return spring 142 acts on the locking plate 141.

The lower disc assembly 13 comprises a first lower disc 131 and a second lower disc 132, the first lower disc 131 and the second lower disc 132 are assembled up and down, a cavity structure for installing a locking plate 141, a return spring 142 and a pressing plate 145 is formed inside the cavity structure, the pressing plate 145 is hinged and matched with the second lower disc 132 through a pin shaft, in addition, the pressing plate 145 can be hinged and matched with the second lower disc 132 through hinge convex shafts arranged on two sides, the pressing plate 145 is positioned at the bottom of the second lower disc 132 and is relatively embedded into the second lower disc 132, the pressing plate 145 is convenient for a user to press and operate, and a push 1451 plate is arranged at the other end of a pressing part of the pressing plate 145; the locking plate 141 includes a locking plate body 1411, a locking plate 1413, a spring bolt 1412 and a stroke hole 1414, wherein the locking plate 1413 is used for matching with the locking groove 114 on the outer locking rod 111, one end of the return spring 142 is matched with the spring bolt 1412, the other end of the return spring is abutted against the cavity wall in the first bottom wall 131 or/and the second bottom wall 132, and the upper end of the push plate 1451 is inserted into the stroke hole 1414, so as to realize the position movement of the locking plate 141.

Compared with embodiment 2, the present embodiment changes the pulling structure of the trigger 143 into the pressing structure of the pressing plate 145, and simultaneously uses the pushing plate 1451 to replace the driving pin 144, so as to move the position of the locking plate 141.

In the lock rod assembly 11, the lower end of the second inner rod 113 is fixedly installed with the lower disc assembly 132, when the folding tent is in complete contraction, the upper end of the second inner rod 113 and the first inner rod 112 are in a separation state or the upper end of the second inner rod 113 is in butt joint with the lower end of the first inner rod 112, and in the unfolding process of the folding tent, the butt joint performance of the telescopic rods of the first inner rod 112 and the second inner rod 113 is utilized, so that the locking positioning of the self-locking unit 14 is facilitated, and the locking stability and the accuracy are improved.

The locking or unlocking principle of the embodiment is as follows: when the unlocking is required to be completed, a user presses the pressing plate 145 upwards, the pressing plate 145 utilizes a hinged structure, the other end of the pressing plate 145 is pried to enable the push plate 1451 in the pressing plate 145 to abut against the hole wall of the stroke hole 1414, and one end of the pressing plate 145 moves upwards, so that the push plate 1451 at the other end moves outwards relatively, the locking plate body 1411 is pushed to move outwards, the locking bolt 1413 is separated from the locking groove 114, the return spring 142 is compressed and deformed due to stress, after the locking bolt 1413 is completely separated from the locking groove 114, the user pulls the lower disc assembly 13 downwards, the lower disc assembly 13 is separated from the outer locking rod 111, and when the lower disc assembly 13 is continuously far away from the upper disc 12, the folding tent gradually completes the integral folding; when the locking is required to be completed, the folding tent is unfolded by turning from the folding state, the lower disc assembly 13 continuously moves upwards, when the outer lock rod 111 is inserted into the lock cavity at the inner center of the first lower disc 132, the lock tongue 1413 is stressed to abut against the outer side wall of the outer lock rod 111, the acting force is provided by the return spring 142, when the lock groove 114 in the outer lock rod 111 and the lock tongue 1413 are in the same horizontal plane, the lock tongue 1413 is under the acting force of the return spring 142, so that the lock tongue 1413 is inserted into the lock groove 114 to realize the locking state, and at the moment, the folding tent is in the fully unfolded state.

Example 4

The preferred self-locking unit 14 includes a locking plate 141, a return spring 142 and a trigger plate 146, the trigger plate 146 is hinged to the lower plate assembly 13, one end of the trigger plate 146 is movably abutted against the locking plate 141, and the return spring 142 acts on the locking plate 141.

The lower disc assembly 13 comprises a first lower disc 131 and a second lower disc 132, the first lower disc 131 and the second lower disc 132 are assembled in a vertical combination manner, a cavity structure for installing a locking plate 141, a return spring 142 and a pulling plate 146 is formed inside the cavity structure, the pulling plate 146 is hinged and matched with the second lower disc 132 through a pin shaft, in addition, the pulling plate 146 can be hinged and matched with the second lower disc 132 through hinge convex shafts arranged on two sides, the pulling plate 146 is positioned at the bottom of the second lower disc 132 and is relatively embedded into the second lower disc 132, the pulling plate 146 is convenient for a user to pull, and a push block 1461 is arranged at the other end of a pulling part of the pulling plate 146; the locking plate 141 comprises a locking plate body 1411, a locking tongue 1413, a spring bolt 1412 and a stroke hole 1414, wherein the locking tongue 1413 is used for being matched with a locking groove 114 on the outer locking rod 111, one end of the reset spring 142 is matched with the spring bolt 1412, the other end is abutted on a cavity wall in the first lower disc 131 or/and the second lower disc 132, the upper end of the push block 1461 can be abutted on the outer side wall of one end of the locking plate body 1411, the movement of the locking plate body 1411 is realized, the locking tongue 1413 is positioned on the inner wall of the stroke hole 1414, and the outer locking rod 111 can penetrate up and down along the stroke hole 1414.

Compared with embodiment 3, the present embodiment has the advantages that the function of the pulling plate 146 is changed from the original pressing 145 function to the pulling function, the pulling plate is designed to be a downward pulling structure, the operation mode is similar to the structure of the trigger 143 in embodiment 1, and the pushing block 1461 is also adopted to directly act on the locking plate 141 to realize the position movement of the locking plate 141; the structure of the embodiment is characterized in that the lock tongue 1413 is embedded in the stroke hole 1414, and the lock tongue 1413 and the lock groove 114 are unlocked by the action of the push block 1461 on the outer side wall of the lock plate 141.

The locking or unlocking principle of the embodiment is as follows: when the unlocking is required to be completed, a user pulls the trigger plate 146 downwards, the trigger plate 146 utilizes a hinged structure, the other end of the trigger plate is pried to enable the push block 1461 in the trigger plate 146 to abut against the outer side wall of one end of the lock plate body 1411, and one end of the trigger plate 146 moves downwards, so that the push plate 1461 at the other end moves inwards relatively, the lock plate body 1411 is pushed to move inwards, the lock tongue 1413 is separated from the lock groove 114, the reset spring 142 is compressed and deformed due to stress, and after the lock tongue 1413 is completely separated from the lock groove 114, the user pulls the lower disc assembly 13 downwards, so that the lower disc assembly 13 is separated from the outer lock rod 111, and when the lower disc assembly 13 is continuously far away from the upper disc assembly 12, the folding tent gradually completes the integral folding; when the locking is required to be completed, the folding tent is unfolded by turning from the folding state, the lower disc assembly 13 continuously moves upwards, when the outer lock rod 111 is inserted into the lock cavity at the inner center of the first lower disc 132, the lock tongue 1413 is stressed to abut against the outer side wall of the outer lock rod 111, the acting force is provided by the return spring 142, the outer lock rod 111 is located in the stroke hole 1414, when the lock groove 114 in the outer lock rod 111 and the lock tongue 1413 are located at the same horizontal plane, the lock tongue 1413 is under the acting force of the return spring 142, so that the lock tongue 1413 is inserted into the lock groove 114 to realize the locking, and at the moment, the folding tent is in the fully unfolded state.

Example 5

Preferably, in the embodiment, the self-locking unit 14 includes a lock pin 147, a return spring 142 and a clamp seat 148, one end of the return spring 142 abuts against the lock pin 147, the other end of the return spring abuts against the clamp seat 148, the return spring 142 deforms along with the movement of the lock pin 147, the clamp seat 148 is fixedly installed with the lower disc assembly 13, and one end of the lock pin 147 penetrates through the clamp seat 148 and extends to the outside of the lower disc assembly 13.

The lower disc assembly 13 can be made into an integral structure or a split structure, and the split structure refers to the structure of the corresponding lower disc assembly 13 in embodiment 2, embodiment 3 and embodiment 4.

The lower disc assembly 13 is provided with a cavity for accommodating the lock pin 147, the return spring 142 and the cassette 148 therein, wherein the lock pin 147 includes a lock tongue 1471, a spring cassette 1472 and a lock pin body 1473, the lock pin body 1473 penetrates the return spring 142, one end of the return spring 142 abuts against the spring cassette 1472, the other end abuts against the cassette 148, the lock tongue 1471 is located inside the lower disc assembly 13, a part of the lock pin body 1473, which is far away from the other end of the lock tongue 1471, penetrates through the cassette 148 and extends to the outside of the lower disc assembly 13, and the lock pin body 1473 can be movably inserted into and pulled out of the cassette 148.

Preferably, a pull ring is arranged on the lock pin body 1473 positioned at the outer part in a matching way, so that a user can pull the lock pin conveniently; or a pull tab may be provided on the outer end of the lock pin body 1473.

In the lock rod assembly 11, the lower end of the second inner rod 113 is fixedly installed with the lower disc assembly 13, when the folding tent is in complete contraction, the upper end of the second inner rod 113 and the first inner rod 112 are in a separation state or the upper end of the second inner rod 113 is in butt joint with the lower end of the first inner rod 112, and in the unfolding process of the folding tent, the butt joint performance of the telescopic rods of the first inner rod 113 and the second inner rod 112 is utilized, so that the locking positioning of the self-locking unit 14 is facilitated, and the locking stability and the accuracy are improved.

The locking or unlocking principle of the embodiment is as follows: when the unlocking is needed, the user pulls the lock pin 147 outwards to move the lock tongue 1471 outwards, so that the lock tongue 1471 is separated from the lock groove 114, meanwhile, the return spring 142 is compressed and deformed due to the limitation of the spring clamping table 1472 and the clamping seat 148, and after the lock tongue 1471 is completely separated from the lock groove 114, the user pulls the lower disc assembly 13 downwards to separate the lower disc assembly 13 from the outer lock rod 111, and when the lower disc assembly 13 is continuously far away from the upper disc assembly 12, the folding tent gradually completes the integral folding; when the locking is needed, the folding tent is unfolded by turning from the folding state, the lower disc assembly 13 continuously moves upwards, when the outer lock rod 111 is inserted into the lock cavity at the center of the inner part of the lower disc assembly 13, the lock tongue 1471 is stressed to abut against the outer side wall of the outer lock rod 111, the acting force is provided by the return spring 142, when the lock groove 114 in the outer lock rod 111 and the lock tongue 1471 are in the same horizontal plane, the lock tongue 1471 is under the acting force of the return spring 142, so that the lock tongue 1471 is inserted into the lock groove 114 to realize the locking, and at the moment, the folding tent is in the fully unfolded state.

Example 6

As shown, based on embodiment 1, in this embodiment, the self-locking unit 14 is configured to be installed in cooperation with the lock rod assembly 11, the self-locking unit 14 is a bean-popping member 149, the bean-popping member 149 is installed in cooperation with the first inner tube 112, the lower end of the first inner tube 112 is configured to be installed in cooperation with the bottom wall assembly 13, and the bean-popping member 149 is configured to be in locking engagement with the lock slot 114.

The lock rod assembly 11 includes an outer lock rod 111, a first inner rod 112 and a second inner rod 113, a lock groove 114 is formed in the lower portion of the outer lock rod 111, the first inner rod 112 and the second inner rod 113 can stretch and move relative to the outer lock rod 111, the outer lock rod 111 is sleeved on the outer side of the first inner rod 112, and the first inner rod 112 is sleeved on the outer side of the second inner rod 113.

In the lock rod assembly 11, the lower end of the first inner rod 112 and the lower disc assembly 13 are fixedly installed, when the folding tent is in complete contraction, the upper end of the first inner rod 112 and the second inner rod 113 are in a separation state or the upper end of the first inner rod 112 is in butt joint with the lower end of the second inner rod 113, and in the unfolding process of the folding tent, the butt joint performance of the telescopic rods of the first inner rod 112 and the second inner rod 113 is utilized, so that the locking positioning of the self-locking unit 14 is facilitated, and the locking stability and the accuracy are improved.

The spring bean member 149 includes a spring bean portion 1491 and an elastic portion 1492, and the spring bean portion 1491 protrudes from the first inner bar 112 and is used for being locked and matched with the lock slot 114.

The locking or unlocking principle of the embodiment is as follows: when the unlocking is required to be completed, a user presses the marble part 1491 to move inwards to complete the separation from the lock groove 114, the elastic part 1492 deforms, and after the marble part 1491 is completely separated from the lock groove 114, the user pulls the lower disc assembly 13 downwards to enable the lower disc assembly 13 to be separated from the outer lock rod 111, and when the lower disc assembly 13 is continuously far away from the upper disc assembly 12, the folding tent gradually completes the integral folding; when the locking is needed to be completed, the folding tent is unfolded through folding steering, the folding tent continuously moves upwards along with the lower disc assembly 13, after the first inner bar 112 and the second inner bar 113 are contracted or complete contraction butt joint, the first inner bar 112 continuously contracts towards the inner cavity of the outer lock bar 111, when the lock groove 114 in the outer lock bar 111 and the bean popping part 1491 are in the same horizontal plane, the bean popping part 1491 is under the action force of the elastic part 1492, so that the bean popping part 1491 is inserted into the lock groove 114, the locking is realized, and at the moment, the folding tent is in a completely unfolded state.

Preferably, in order to make the snap bean portion 1491 enter the inner cavity of the outer lock rod 111 more smoothly, the outer lock rod 111 is further provided with a pre-pressing groove 115, the pre-pressing groove 115 is used for being matched with the snap bean piece 149, and the pre-pressing groove 115 is located on the axial movable stroke line of the snap bean piece 149.

Example 7

As shown in the figure, in combination with the above embodiment 6, in this embodiment, the button member 133 is hinged on the lower disc assembly 13, and the button member 133 can movably abut against the ball member 149, so that the ball member 149 and the lock slot 114 can be unlocked.

Play beans piece 149 is used for installing on second interior pole 113, wherein in locking lever subassembly 11, second interior pole 113 lower extreme and footwall subassembly 13 fixed mounting, when folding tent is in the complete shrink, first interior pole 112 upper end and second interior pole 113 are for breaking away from the state or second interior pole 113 upper end butt joint in first interior pole 112 lower extreme department, in folding tent development process, utilize the butt joint nature of first interior pole 112 and second interior pole 113 telescopic link, be favorable to the locking location of auto-lock unit 14, improve locking stability and accuracy.

The spring bean member 149 includes a spring bean portion 1491 and an elastic portion 1492, and the spring bean portion 1491 protrudes from the second inner bar 113 and is used for being locked and matched with the lock slot 114.

Wherein, the lower disc assembly 13 is provided with a lock seat 134, the interior of the lock seat 134 is a cavity structure, which is convenient for the lower end part of the external lock rod 111 to extend in, the lock seat 134 is provided with an unlocking port 135, when the folding tent is in a completely controlled state, the unlocking port 135, the bouncing bean part 1491 and the lock groove 114 are in the same horizontal plane; the button member 133 is located outside the unlocking opening 135, and when a user presses the button member 133, the button member 133 may abut against the snap bean portion 1491, thereby achieving the separation of the snap bean portion 1491 from the lock groove 114.

Optimize and set up button 133, relative to embodiment 6, this structural design can avoid the user direct action to play beans part 1491 for the unblock is more convenient, effective relatively, and the operation is more convenient, comfortable.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change or modification made to the above embodiments according to the technical principle of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A folding tent with a center self-locking structure, which comprises a plurality of tent leg tubes (2), a plurality of side cross units (3), a plurality of middle cross units (4) and at least one center self-locking mechanism (1), and is characterized in that: the central self-locking mechanism (1) is used for being matched and mounted with one end of the middle cross unit (4), the central self-locking mechanism (1) comprises a locking rod assembly (11), a self-locking unit (14), an upper disc assembly (12) and a lower disc assembly (13), and the locking rod assembly (11) is of a telescopic rod structure; when the folding tent is in an unfolded state, the self-locking unit (4) and the locking rod assembly (11) are locked, and the distance between the upper disc piece (12) and the lower disc assembly (13) is the minimum; when the folding tent is in a contraction state, the self-locking unit (14) and the lock rod assembly (11) are unlocked, the lock rod assembly (11) can stretch and retract, and the distance between the upper disc piece (12) and the lower disc assembly (13) is gradually increased along with contraction.

2. The folding tent with the central self-locking structure as claimed in claim 1, wherein: the lock rod assembly (11) comprises an outer lock rod (111), a first inner rod (112) and a second inner rod (113), a lock groove (114) is formed in the lower portion of the outer lock rod (111), and the first inner rod (112) and the second inner rod (113) can stretch and move relative to the outer lock rod (111); the upper part of the outer lock rod (111) is fixedly arranged with the upper disc piece (12).

3. A collapsible shelter with central self-locking structure as claimed in claim 1 or 2, wherein: auto-lock unit (14) are used for installing with lower wall subassembly (13) cooperation, auto-lock unit (14) include locking plate (141), reset spring (142), driving pin (144) and trigger (143), trigger (143) with lower wall subassembly (13) are articulated to be cooperated, trigger (143) one end movable contradict in driving pin (144), driving pin (144) upper end with locking plate (141) cooperation, reset spring (142) are used for acting on locking plate (141).

4. A collapsible shelter with central self-locking structure as claimed in claim 3, wherein: the transmission pin (144) is in hinged fit with the lower disc assembly (13).

5. A collapsible shelter with central self-locking structure as claimed in claim 1 or 2, wherein: auto-lock unit (14) are used for installing with lower wall subassembly (13) cooperation, auto-lock unit (14) include locking plate (141), reset spring (142) and press board (145), press board (145) with lower wall subassembly (13) hinge cooperation, press board (145) through upwards press back one end mobile conflict in locking plate (141), reset spring (142) are used for acting on locking plate (141).

6. A collapsible shelter with central self-locking structure as claimed in claim 1 or 2, wherein: the self-locking unit (14) is used for being installed in a matched mode with the lower disc assembly (13), the self-locking unit (14) comprises a locking plate (141), a reset spring (142) and a pulling plate (146), the pulling plate (146) is matched with the lower disc assembly (13) in a hinged mode, one end of the pulling plate (146) can movably abut against the locking plate (141) after being pulled downwards, and the reset spring (142) is used for acting on the locking plate (141); .

7. A collapsible shelter with central self-locking structure as claimed in claim 1 or 2, wherein: the self-locking unit (14) is used for being installed in a matched mode with the lower disc assembly (13), the self-locking unit (14) comprises a lock pin (147), a return spring (142) and a clamping seat (148), one end of the return spring (142) is abutted to the lock pin (147), the other end of the return spring is abutted to the clamping seat (148), the return spring (142) deforms along with the movement of the lock pin (147), the clamping seat (148) is fixedly installed with the lower disc assembly (13), and one end of the lock pin (147) penetrates through the clamping seat (148) and extends to the outside of the lower disc assembly (13).

8. A collapsible shelter with central self-locking structure as claimed in claim 1 or 2, wherein: the self-locking unit (14) is used for being installed in a matched mode with the lock rod assembly (11), the self-locking unit (14) is a bean popping part (149), the bean popping part (149) is installed in a matched mode with the first inner pipe (112), the lower end of the first inner pipe (112) is used for being installed in a matched mode with the lower disc assembly (13), and the bean popping part (149) is used for being matched with the lock groove (114) in a locked mode.

9. The folding tent with the central self-locking structure as claimed in claim 8, wherein: the lower disc assembly (13) is hinged with a button piece (133), the button piece (133) can movably abut against the bean ejection piece (149), and the bean ejection piece (149) and the lock groove (114) can be unlocked.

10. The folding tent with the central self-locking structure as claimed in claim 9, wherein: the outer lock rod (111) is further provided with a pre-pressing groove (115), the pre-pressing groove (115) is used for being installed in a matched mode with the bean popping part (149), and the pre-pressing groove (115) is located on an axial movable stroke line of the bean popping part (149).