Four-side folding fence

Abstract

The utility model discloses a four-side folding fence, which belongs to the technical field of folding fences and comprises fence mesh cloth and a plurality of vertical pipes vertically spaced on the inner side of the fence mesh cloth, two upper transverse pipes, two inclined pipes and two lower transverse pipes are arranged between two adjacent vertical pipes, the lower ends of the vertical pipes are fixedly connected with a base, and the base is rotatably connected with one ends of the two lower transverse pipes and one ends of the two inclined pipes. A first locking device capable of moving up and down is arranged at the upper end of the vertical pipe, the first locking device is rotationally connected with one ends of the two upper transverse pipes, the other ends of the two upper transverse pipes and the other ends of the two inclined pipes are rotationally connected to the first connector, and the other ends of the two lower transverse pipes are connected with a second locking device. After the first locking device and the second locking device are unlocked respectively, the fence can be folded, when the fence needs to be unfolded, the fence is unfolded to a certain angle, the first locking device and the second locking device can be automatically locked, and the four-side folding fence cannot be folded.

Description

Technical Field

[0001] The utility model belongs to the technical field of folding fences, and more specifically, relates to a four-side folding fence. Background Art

[0002] Today, children are increasingly valued. When choosing children's products, parents need to consider the safety of the products the most. As we all know, children of a few years old are delicate and fragile, ignorant and easily injured, and need thoughtful and comprehensive protection. Therefore, when parents are too busy to take care of them, the protective role of child fences has received more and more attention. Existing child fences are composed of many parts and have a complex structure, which makes it easy to make the fences inconvenient to store and difficult to transport as a whole. Due to the cumbersome installation, it is time-consuming and laborious to install them after separate transportation. In addition, children are naturally curious, and a little carelessness may cause unnecessary safety hazards. Utility Model Content

[0003] The main purpose of the utility model is to provide a four-side folding fence, which adopts a safety structure of a double locking device and has a simple structure and is easy to fold and store.

[0004] According to a first aspect of the utility model, a four-sided folding fence is provided, comprising a fence mesh surrounding an enclosed space and a plurality of vertical tubes supported at vertical intervals on the inner side of the fence mesh, two upper horizontal tubes, two oblique tubes and two lower horizontal tubes are arranged between two adjacent vertical tubes, the lower ends of the vertical tubes are fixedly connected to a base, the base is rotatably connected to two lower horizontal tubes and one end of the two oblique tubes, the upper ends of the vertical tubes are provided with a first locking device that can move up and down, the first locking device is rotatably connected to one end of the two upper horizontal tubes, the other ends of the two upper horizontal tubes and the two oblique tubes are respectively rotatably connected to a first joint, and the other ends of the two lower horizontal tubes are connected to a second locking device;

[0005] The first locking device includes a right-angle seat and a button, the lower end of the right-angle seat abuts against one end of the button, and the other end of the button is connected to an anti-mistaken touch switch that can move up and down;

[0006] The second locking device includes a female connector and a male connector, the female connector is rotatably connected to the male connector, a fixing ring is fixedly installed on one end of the female connector away from the male connector, a connector switch that can move back and forth and rotate is arranged on the outer side of the fixing ring, the connector switch can cover the male connector, a limit block is arranged on the outer side of the fixing ring, the inner wall of the connector switch is recessed inward to form an L-shaped sliding space, and the limit block is arranged in the L-shaped sliding space.

[0007] In a specific embodiment of the present invention, a locking portion is provided at one end of the anti-mistake-touch switch, and the locking portion abuts against one side of the right-angle seat.

[0008] In a specific embodiment of the utility model, a supporting platform is extended from one end of the button toward the anti-accidental touch switch, a first elastic member is arranged on the supporting platform, and the anti-accidental touch switch is abutted against the supporting platform via the first elastic member.

[0009] In a specific embodiment of the present invention, the button is in contact with the lower end of the right-angle seat via a third elastic member.

[0010] In a specific embodiment of the present invention, the fixing ring and the connector switch are in contact with each other via a second elastic member.

[0011] In a specific embodiment of the utility model, a spring sheet is provided inside the upper end of the vertical tube, and two sides of the spring sheet are in contact with the inner wall of the vertical tube. A cylinder protruding outward is provided on one side of the spring sheet, and the cylinder passes through a circular hole provided in the vertical tube, and the cylinder is snapped into a limiting hole provided in the first locking device.

[0012] In a specific embodiment of the present invention, the button is provided with a protrusion extending in the direction of the limiting hole and contacting the cylinder, and the diameter of the protrusion is smaller than the diameter of the limiting hole.

[0013] In a specific embodiment of the utility model, the right-angle seat is provided with a tube hole surrounding the outer wall of the vertical tube, and a vertical tube plug is installed on the upper part of the tube hole, and the vertical tube plug is flush with the upper end of the first locking device.

[0014] In a specific embodiment of the utility model, a first mounting groove and a second mounting groove arranged in parallel are provided on the base, the first mounting groove is rotatably connected to one end of the inclined tube, and the second mounting groove is rotatably connected to one end of the lower horizontal tube.

[0015] In a specific embodiment of the present invention, a non-slip pad is installed at the lower end of the base.

[0016] One of the above technical solutions of the utility model has at least one of the following advantages or beneficial effects:

[0017] This four-sided folding fence adopts a double locking device structure, and each fence tube is controlled to be retracted or expanded by the first locking device and the second locking device. When the fence needs to be expanded and fixed, the four right-angle seats are lifted up along the vertical tube to a specific position respectively, and the first locking device is automatically locked. At the same time, the two lower horizontal tubes are in a coaxial state. After the joint switch is rotated a certain angle, the joint switch is moved toward the direction of the male joint so that the joint switch covers the male joint, and the fence can be expanded and fixed, and the fence cannot be folded; when the fence needs to be folded and folded, the joint switch is moved toward the direction of the female joint and rotated a certain angle to disengage the male joint from the joint switch. At this time, the male joint and the female joint are in a movable joint state, and then the four first locking devices are unlocked respectively, and the four right-angle seats can slide down along the vertical tube. At this time, the four first joints are lifted upward to complete the folding of the fence. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 It is a schematic diagram of a four-side folding fence in an embodiment of the utility model in an unfolded state;

[0020] Figure 2 It is a schematic diagram of a four-side folding fence in a folded state in one embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the exploded structure of a four-side folding fence in one embodiment of the utility model;

[0022] Figure 4 is a cross-sectional view of a first locking device in one embodiment of the utility model;

[0023] Figure 5 It is a schematic diagram of the exploded structure of the second locking device in one embodiment of the utility model. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal connection between two elements, indirect connection, or an interactive relationship between two elements.

[0029] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0030] Reference Figures 1 to 5As shown, a four-sided folding fence is provided, including a fence mesh cloth surrounding an enclosed space and a plurality of vertical tubes 4 supported at vertical intervals on the inner side of the fence mesh cloth, two upper horizontal tubes 11, two oblique tubes 16 and two lower horizontal tubes 10 are arranged between two adjacent vertical tubes 4, the lower ends of the vertical tubes 4 are fixedly connected to a base 1, the base 1 is rotatably connected to one end of the two lower horizontal tubes 10 and the two oblique tubes 16, the upper ends of the vertical tubes 4 are provided with a first locking device 100 that can move up and down, the first locking device 100 is rotatably connected to one end of the two upper horizontal tubes 11, the other ends of the two upper horizontal tubes 11 and the two oblique tubes 16 are rotatably connected to the first joint 17, the other ends of the two lower horizontal tubes 10 are connected to the second locking device 200, the first locking device 100 includes a right-angle seat 101 and a button 1 02, the lower end of the right-angle seat 101 is in contact with one end of the button 102, and the other end of the button 102 is connected to an anti-mistouch switch 103 that can move up and down. The second locking device 200 includes a female connector 201 and a male connector 202. The female connector 201 is rotatably connected to the male connector 202. A fixing ring 203 is fixedly installed on one end of the female connector 201 away from the male connector 202. A connector switch 204 that can move back and forth and rotate is arranged on the outside of the fixing ring 203. The connector switch 204 can cover the male connector 202. A limit block 2031 is arranged on the outside of the fixing ring 203. The inner wall of the connector switch 204 is recessed inward with an L-shaped sliding space 2041, and the limit block 2031 is arranged in the L-shaped sliding space 2041.

[0031] Preferably, a green mark is provided on the fixing seat 203, which indicates that the joint position is in a locked state, and a red mark is provided on the female connector 201, which indicates that the connector switch 204 has slid into place and can be unlocked by rotating counterclockwise by a certain angle.

[0032] In this embodiment, the four-sided folding fence adopts a double locking device structure, including a first locking device 100 and a second locking device 200. The first locking device 100 and the second locking device 200 are used to control the folding or opening of each fence tube. When the fence needs to be opened and fixed, the four right-angle seats 101 are lifted up along the vertical tube 4 to a specific position, and the first locking device 100 is automatically locked. At the same time, the two lower horizontal tubes 10 are in a coaxial state. After the joint switch 204 is rotated to a certain angle, the joint switch 204 moves toward the direction of the male joint 202 to make the joint open. The head switch 204 is sleeved on the male connector 202. At this time, there is a green mark indicating that the joint position is in a locked state and the fence cannot be folded; when the fence needs to be folded, the joint switch 204 is moved in the direction of the green mark and then rotated a certain angle to make the male connector 202 disengage from the joint switch 204. At this time, the male connector 202 and the female connector 201 are in a movable joint state, and then the four first locking devices 100 are unlocked respectively, and the four right-angle seats 101 can slide downward along the vertical pipe 4. At this time, the four first connectors 17 are lifted up to complete the folding of the fence.

[0033] In one embodiment of the present invention, a locking portion 1031 is provided at the connection between one end of the anti-mistouch switch 103 and the right-angle seat 101. The locking portion 1031 prevents children from accidentally touching the switch, causing the fence to suddenly fold and close, causing unnecessary safety hazards.

[0034] Furthermore, in order to provide a better user experience, a supporting platform 1021 is extended from the button 102 to one end of the anti-accidental touch switch 103, and a first elastic member 104 is provided on the supporting platform 1021. The other end of the anti-accidental touch switch 103 is in contact with the supporting platform 1021 through the first elastic member 104, that is, it is necessary to slide the anti-accidental touch switch 103 downward to a certain position before pressing the button 102 to unlock it. When the anti-accidental touch switch 103 is released, the anti-accidental touch switch 103 is reset under the elastic action of the first elastic member 104 and returns to the anti-accidental touch state.

[0035] In one embodiment of the utility model, the button 102 is abutted against the lower end of the right-angle seat 101 through the third elastic member 105. A limiting portion is provided on the button 102. One end of the third elastic member 105 is installed on the limiting portion, and the other end is abutted against the inner wall of the right-angle seat 101. The limiting portion is to prevent the third elastic member 105 from shifting during the process of pressing the button 102, thereby leaving the original position, so that the right-angle seat 101 and the button 102 are no longer abutted.

[0036] Preferably, due to the elastic force of the third elastic member 105 , a hook portion is further provided on the button 102 , and the hook portion is connected to the right-angle seat 101 to prevent the button 102 from being ejected during resetting due to excessive elastic force of the third elastic member 105 .

[0037] In an embodiment of the present invention, the fixing ring 203 is in contact with the joint switch 204 via the second elastic member 205 , and when the joint switch 204 is rotated clockwise by a certain angle and then released, it is automatically locked under the elastic action of the second elastic member 205 inside.

[0038] In one embodiment of the present invention, a spring sheet 18 is provided inside the upper end of the vertical tube 4, and both sides of the spring sheet 18 are attached to the inner wall of the vertical tube 4. A cylinder 181 protruding outward is provided on one side of the spring sheet 18. The cylinder 181 passes through the circular hole 41 provided in the vertical tube 4, and the cylinder 181 is inserted into the limiting hole 106 provided in the first locking device 100. The button 102 extends toward the limiting hole 106 to form a protrusion 121 in contact with the cylinder 181. The diameter of the protrusion 121 is smaller than the diameter of the limiting hole 106, so that the protrusion 121 To better push the cylinder 181, when the anti-mistouch switch 103 slides down to a certain position, it is pressed in the direction of the button 102, and the protrusion 121 on the button 102 pushes the cylinder 181 on the spring sheet 18, so that the two sides of the spring sheet 18 are close to each other, so that the cylinder 181 is separated from the limiting hole 106. At this time, the first locking device 100 can slide down to unlock, and the cylinder 181 is in the vertical tube 4; when the first locking device 100 slides up to a certain position, the cylinder 181 is re-inserted into the limiting hole 106, and the re-locking can be completed.

[0039] In one embodiment of the utility model, the right-angle seat 101 is provided with a tube hole surrounding the outer wall of the vertical tube 4, and a vertical tube plug 5 is installed on the upper part of the tube hole. The vertical tube plug 5 is flush with the upper end of the first locking device 100. The vertical tube plug 5 plays a role in dust and insect prevention. At the same time, the vertical tube plug 5 is made of resin material, which can better protect children and prevent them from accidentally touching it and causing injuries.

[0040] In one embodiment of the utility model, the base 1 is provided with a first mounting groove 111 and a second mounting groove 112 arranged in parallel, the first mounting groove 111 is rotatably connected to one end of the inclined tube 16 , and the second mounting groove 112 is rotatably connected to one end of the lower horizontal tube 10 .

[0041] Furthermore, an anti-skid pad 2 is installed at the lower end of the base 1 to prevent the four-side folding fence from sliding.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A four-sided folding fence, characterized in that: It comprises a fence mesh cloth surrounding an enclosed space and a plurality of vertical tubes (4) supported at vertical intervals on the inner side of the fence mesh cloth, two upper transverse tubes (11), two oblique tubes (16) and two lower transverse tubes (10) are arranged between two adjacent vertical tubes (4), the lower ends of the vertical tubes (4) are fixedly connected to a base (1), the base (1) is rotatably connected to one end of the two lower transverse tubes (10) and the two oblique tubes (16), the upper ends of the vertical tubes (4) are provided with a first locking device (100) movable up and down, the first locking device (100) is rotatably connected to one end of the two upper transverse tubes (11), the other ends of the two upper transverse tubes (11) and the two oblique tubes (16) are rotatably connected to a first joint (17), and the other ends of the two lower transverse tubes (10) are connected to a second locking device (200); The first locking device (100) comprises a right-angle seat (101) and a button (102), the lower end of the right-angle seat (101) abuts against one end of the button (102), and the other end of the button (102) is connected to an anti-mistaken touch switch (103) that can move up and down; The second locking device (200) comprises a female connector (201) and a male connector (202), wherein the female connector (201) is rotatably connected to the male connector (202), a fixing ring (203) is fixedly installed on one end of the female connector (201) away from the male connector (202), a connector switch (204) which can move back and forth and can rotate is arranged on the outer side of the fixing ring (203), and the connector switch (204) can cover the male connector (202), a limiting block (2031) is arranged on the outer side of the fixing ring (203), and an L-shaped sliding space (2041) is recessed inwardly on the inner wall of the connector switch (204), and the limiting block (2031) is arranged in the L-shaped sliding space (2041).

2. The four-side folding fence according to claim 1, characterized in that: One end of the anti-mistouch switch (103) is provided with a locking portion (1031), and the locking portion (1031) abuts against one side of the right-angle seat (101).

3. The four-side folding fence according to claim 1, characterized in that: A supporting platform (1021) is extended from the button (102) toward one end of the anti-mistaken-touch switch (103), a first elastic member (104) is provided on the supporting platform (1021), and the anti-mistaken-touch switch (103) is in contact with the supporting platform (1021) via the first elastic member (104).

4. The four-side folding fence according to claim 1, characterized in that: The button (102) is in contact with the lower end of the right-angle seat (101) via a third elastic member (105).

5. The four-side folding fence according to claim 1, characterized in that: The fixing ring (203) and the joint switch (204) are in contact with each other via a second elastic member (205).

6. The four-side folding fence according to claim 1, characterized in that: A spring sheet (18) is provided inside the upper end of the vertical tube (4), and two sides of the spring sheet (18) are attached to the inner wall of the vertical tube (4). A cylinder (181) protruding outward is provided on one side of the spring sheet (18), and the cylinder (181) passes through a circular hole (41) provided in the vertical tube (4), and the cylinder (181) is snapped into a limiting hole (106) provided in the first locking device (100).

7. The four-side folding fence according to claim 1 or 6, characterized in that: The button (102) is provided with a protrusion (121) extending in the direction of the limiting hole (106) and in contact with the cylinder (181), and the diameter of the protrusion (121) is smaller than the diameter of the limiting hole (106).

8. The four-side folding fence according to claim 1, characterized in that: The right-angle seat (101) is provided with a tube hole surrounding the outer wall of the vertical tube (4), and a vertical tube plug (5) is installed on the upper part of the tube hole. The vertical tube plug (5) is flush with the upper end of the first locking device (100).

9. The four-side folding fence according to claim 1, characterized in that: The base (1) is provided with a first mounting groove (111) and a second mounting groove (112) which are arranged in parallel, wherein the first mounting groove (111) is rotatably connected to one end of the oblique tube (16), and the second mounting groove (112) is rotatably connected to one end of the lower transverse tube (10).

10. The four-side folding fence according to claim 9, characterized in that: An anti-slip pad (2) is installed at the lower end of the base (1).

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