Bed guardrail capable of being lifted and folded

Abstract

The utility model belongs to the technical field of protective devices for beds, and particularly discloses a liftable and foldable bed guardrail, which comprises a U-shaped roll-over stand, a bed guardrail and a lifting device, the upper ends of the two vertical rods are rotationally connected with the two ends of the overturning frame through joint connecting assemblies correspondingly; the joint connecting assembly comprises a first joint piece fixedly connected to the lower end of the overturning frame, a second joint piece fixedly connected to the upper end of the vertical rod and rotationally connected with the first joint piece, and a joint locking assembly arranged in the joint connecting assembly, and the joint locking assembly is used for locking the first joint piece and the second joint piece to prevent the overturning frame from overturning outwards relative to the vertical rod; the cross rod is connected to the lower parts of the two vertical rods; the telescopic pipe is inserted into the lower part of the vertical rod; the lifting assembly is connected between the cross rod and the vertical rod and used for driving the cross rod to move up and down along the telescopic pipe and locking the position. According to the device, stable locking and flexible overturning of the overturning frame are achieved through the joint connecting assembly, the height is adjusted through the lifting assembly, and safety and practicability are both considered.

Description

TECHNICAL FIELD

[0001] The utility model relates to bed protection device technical field, concretely relates to a liftable and foldable bed guardrail. BACKGROUND

[0002] Bed guardrail (also known as bed fence) is a kind of protection device fixed on the bed edge, and it blocks the baby or child from falling from the bed side, so as to eliminate the security risk and reduce the burden of the guardian.

[0003] In prior art, the traditional bed guardrail is mostly welded fixed structure, and it cannot be disassembled and is bulky, so it occupies large space when being stored, and it is difficult to be quickly folded or adjusted in height during use.Although some foldable bed guardrails have appeared on the market, there are still the following defects:

[0004] 1. Height is not adjustable, and it cannot be adapted to different mattress thicknesses or use requirements;

[0005] 2. Folding operation is complex, and it still occupies large space after being stored;

[0006] 3. It cannot be turned outwards to the bed edge, so that the child is inconvenient to get on and off the bed.

[0007] Based on the above problems, a bed guardrail with lifting, turning outwards and folding functions is needed to improve the use convenience and safety. UTILITY MODEL CONTENTS

[0008] The utility model aims at solving the insufficient of prior art, provide a kind of liftable and foldable bed guardrail with simple structure, convenient operation.The device realizes the stable locking and flexible folding of the turnover frame by joint connecting assembly, and adjusts height by lifting assembly, and considers safety and practicality.

[0009] The utility model is realized by the following technical schemes:

[0010] A liftable and foldable bed guardrail, comprising:

[0011] Turnover frame, the turnover frame is U-shaped structure;

[0012] Stand, the upper end of two stand is respectively connected with the both ends of turnover frame by joint connecting assembly;

[0013] Joint connecting assembly, including the first joint piece of fixed connection in the lower end of turnover frame, the second joint piece of fixed connection in the upper end of stand and being connected with the first joint piece, and the joint locking assembly in the joint connecting assembly, the joint locking assembly is used to lock the first joint piece and second joint piece to prevent the turnover frame from turning outwards relative to stand;

[0014] Crossbar, connected to the lower part of two stand.

[0015] a telescopic tube inserted into the lower part of the vertical rod;

[0016] a lifting assembly connected between the horizontal rod and the vertical rod, for driving the horizontal rod to move up and down along the telescopic tube and locking position.

[0017] The liftable and foldable bed guardrail as described above, the first joint member is sleeved on the second joint member, and the joint connecting assembly is provided with a first guide cavity; the joint locking assembly comprises:

[0018] a first push button slidingly arranged outside the joint connecting assembly;

[0019] a positioning pin slidingly arranged in the first guide cavity and fixedly connected with the first push button;

[0020] a clamping spring arranged between the positioning pin and the joint connecting assembly, for pushing out the positioning pin;

[0021] the second joint member is provided with a first through hole in communication with the first guide cavity, and the first joint member is provided with a clamping hole matched with the first through hole; when the turnover frame is unfolded, the positioning pin passes through the first through hole and is clamped into the clamping hole under the action of the clamping spring to lock the joint connecting assembly.

[0022] The liftable and foldable bed guardrail as described above, the joint locking assembly further comprises a positioning pin locking structure, when the first push button is pushed to unlock the joint connecting assembly, the positioning pin locking structure is locked with the positioning pin to temporarily fix the unlocking state.

[0023] The liftable and foldable bed guardrail as described above, the joint connecting assembly is provided with a second guide cavity, and the positioning pin locking structure comprises:

[0024] a sliding component slidingly arranged in the second guide cavity in the joint connecting assembly;

[0025] a locking tongue arranged on one side of the sliding component;

[0026] a resilient component arranged between the other side of the sliding component and the joint connecting assembly;

[0027] the positioning pin is provided with a limiting groove matched with the locking tongue; when the first push button is pushed to unlock, the locking tongue is clamped into the limiting groove to limit the positioning pin to reset.

[0028] The first joint piece and the second joint piece are provided with a rotating shaft; the positioning pin is provided with a long hole for the rotating shaft to pass through; the limiting groove is a circumferential arc-shaped groove, and the opening end thereof faces the moving direction of the lock tongue; when the joint connecting assembly rotates, the lock tongue is released from the limiting groove to release the locking of the positioning pin.

[0029] The end of the lock tongue is provided with a downward inclined surface, and the positioning pin is correspondingly provided with a slope; when the positioning pin moves upward with the first push button, the slope and the inclined surface abut to force the lock tongue to exit the long hole.

[0030] The positioning pin is in a tapered wedge structure adjacent to one end of the first through hole.

[0031] The lifting assembly comprises:

[0032] A vertical sleeve is sleeved on the outer wall of the vertical rod;

[0033] A horizontal sleeve is connected with the horizontal rod at one end and connected with the side wall of the vertical sleeve at the other end;

[0034] A telescopic pipe limiting structure is arranged between the vertical sleeve and the horizontal sleeve and is used for locking the telescopic pipe.

[0035] The telescopic pipe limiting structure comprises a second push button exposed outside the horizontal sleeve, a lock block connected with the second push button, a third guide cavity provided between the vertical sleeve and the horizontal sleeve and used for horizontal sliding of the lock block, a second through hole provided in the third guide cavity and communicated with the vertical sleeve, a lock hole provided in the vertical rod and matched with the second through hole, an insertion block provided at one end of the lock block and penetrating through the second through hole and the lock hole, a locking elastic member provided between the other end of the lock block and the horizontal sleeve, and a plurality of positioning holes provided on the telescopic pipe and matched with the insertion block.

[0036] The bottom of the telescopic pipe is rotationally connected with a supporting leg.

[0037] Compared with the prior art, the bed guard rail has the following advantages:

[0038] 1. The bed guard rail has simple structure and convenient operation, is convenient for users to use and store, realizes stable locking and flexible folding of the turnover frame through the joint connecting assembly, realizes height adjustment through the lifting assembly, and has safety and convenience.

[0039] 2. The utility model discloses a positioning pin locking structure is equipped in the joint locking assembly, pushes the first push button and unlocked the joint connection assembly, and the lock tongue can be inserted into the limiting groove of positioning pin and temporarily fixes the unlocking state of positioning pin, so that the unlocking of positioning pin in the joint connection assembly of two ends of turnover frame can be controlled respectively and individually, prevent accidental contact first push button and cause turnover frame accidental outside, promote stability and double security.

[0040] 3. The utility model discloses the taper wedge structure of one end of positioning pin adjacent first through -hole, positioning pin is more accurate to be inserted in first through -hole and card hole, realizes the stable locking and quick unlocking of turnover frame.

[0041] 4. The utility model discloses the height of the stand rod is adjusted to the relative telescopic pipe, and the stand rod and telescopic pipe are locked after adjusting in place, and the operation method is simple, and the height can be adjusted according to the needs of the guardian, to adapt to different mattress thickness.

[0042] 5. The utility model discloses the bottom rotation connection support foot of telescopic pipe, and folding storage and transportation of convenient support foot. DRAWINGS

[0043] In order to more clearly set forth the structural features and functions of the utility model, the specific implementation mode of the utility model is further detailed below in combination with the drawings.

[0044] Figure 1 It is the structural schematic diagram of the bed guardrail of the utility model for unfolding use of liftable and foldable;

[0045] Figure 2 It is the structural schematic diagram of the bed guardrail of the utility model for folding;

[0046] Figure 3 It is the exploded view of the bed guardrail structure of the utility model for liftable and foldable;

[0047] Figure 4 It is the cross section schematic diagram of the joint locking assembly in the utility model;

[0048] Figure 5 It is another cross section schematic diagram of the joint locking assembly in the utility model;

[0049] Figure 6 It is the cross section schematic diagram of the bed guardrail of the utility model for liftable and foldable;

[0050] Figure 7 It is Figure 6 The local enlarged schematic diagram of A in the utility model; Specific implementation mode

[0051] In order to make the technical scheme of the utility model better understood by those skilled in the art, the utility model will be further described in detail below in combination with the drawings and specific embodiments. The embodiments are only used to explain the utility model and do not constitute a limitation on the protection scope of the utility model.

[0052] As shown in Figures 1-2 A liftable and foldable bed guardrail, comprising:

[0053] The turnover frame 1 is in U-shaped structure and is used for forming a protection main body;

[0054] The upper ends of the two vertical rods 2 are respectively rotationally connected with the two ends of the turnover frame 1 through the joint connecting assembly 3.

[0055] The joint connecting assembly 3 comprises a first joint piece 31 fixed to the lower end of the turnover frame 1, a second joint piece 32 fixed to the upper end of the vertical rod 2 and rotationally connected with the first joint piece 31, and a joint locking assembly 4 arranged in the joint connecting assembly 3, and the joint locking assembly 4 is used for locking the first joint piece 31 and the second joint piece 32 to prevent the turnover frame 1 from turning outwards relative to the vertical rod 2.

[0056] The horizontal rod 5 is connected to the lower parts of the two vertical rods 2 and enhances the structural stability.

[0057] The telescopic pipe 6 is inserted into the lower part of the vertical rod 2 and supports the overall height.

[0058] The lifting assembly 7 is connected between the horizontal rod 5 and the vertical rod 2 and is used for driving the horizontal rod 5 to move up and down along the telescopic pipe 6 and lock the position.

[0059] The liftable and foldable bed guardrail has simple structure and convenient operation, is convenient for users to use and store, realizes stable locking and flexible folding of the turnover frame 1 through the joint connecting assembly 3, realizes height adjustment through the lifting assembly 7, and has safety and convenience.

[0060] The turnover frame 1 and the vertical rod 2 are rotationally connected through the joint connecting assembly 3. The first push button 41 is pushed to unlock the positioning pin 42, so that the turnover frame 1 is folded around the rotating shaft 35. The lifting assembly 7 drives the locking block 732 to be inserted into the positioning hole 61 of the telescopic pipe 6 through the second push button 731, and the height adjustment is completed. The supporting leg 8 can be rotationally folded, and the occupied space is further reduced.

[0061] Specifically, as Figures 3-4As shown, in this utility model, the first joint member 31 is sleeved on the second joint member 32, and the joint connecting assembly 3 has a first guide cavity 33; the joint locking assembly 4 includes: a first push button 41 slidably disposed on the outside of the joint connecting assembly 3; a positioning pin 42 slidably disposed in the first guide cavity 33 and fixedly connected to the first push button 41; a retaining spring 43 disposed between the positioning pin 42 and the joint connecting assembly 3 for pushing out the positioning pin 42; the second joint member 32 has a first through hole 321 communicating with the first guide cavity 33, and the first joint member 31 has a retaining hole 311 adapted to the first through hole 321; when the flip frame 1 is unfolded, the positioning pin 42 passes through the first through hole 321 under the action of the retaining spring 43 and is locked into the retaining hole 311 to lock the joint connecting assembly 3. When the flip frame 1 is folded up, the first push button 41 is pushed until the positioning pin 42 disengages from the retaining hole 311, and the flip frame 1 can be rotated and folded relative to the upright 2.

[0062] As a more preferred embodiment of this utility model, such as Figures 4-5 As shown, the joint locking assembly 4 also includes a positioning pin locking structure 44. When the first push button 41 is pushed to unlock the joint connecting assembly 3, the positioning pin locking structure 44 locks with the positioning pin 42, temporarily fixing its unlocked state. In this way, the unlocking state of the positioning pin 42 in the joint connecting assemblies 3 at both ends of the flip frame 1 can be controlled separately, preventing the flip frame 2 from accidentally flipping outward due to accidental contact with the first push button 41 on one side.

[0063] Specifically, such as Figure 4 As shown, in this embodiment of the present invention, the joint connecting assembly 3 is provided with a second guide cavity 34, and the positioning pin locking structure 44 includes: a sliding component 441 slidably disposed in the second guide cavity 34 within the joint connecting assembly 3; a locking tongue 442 disposed on one side of the sliding component 441; an elastic component 443 disposed on the other side of the sliding component 441 between the sliding component 441 and the joint connecting assembly 3; the positioning pin 42 is provided with a limiting groove 421 that matches the locking tongue 442; when the first push button 41 is pushed to unlock, the locking tongue 442 is engaged in the limiting groove 421 to restrict the positioning pin 42 from resetting.

[0064] More specifically, such as Figures 3-5 As shown, in this utility model, a rotating shaft 35 is provided between the first joint member 31 and the second joint member 32; the positioning pin 42 is provided with an elongated hole 422 for the rotating shaft 35 to pass through; the limiting groove 421 is a circumferential arc-shaped groove, and its opening end faces the moving direction of the locking tongue 442; when the joint connecting assembly 3 rotates, the locking tongue 442 disengages from the limiting groove 421 and releases the locking of the positioning pin 42. The positioning pin 42 returns to its original state.

[0065] like Figure 4As shown, when the positioning pin 42 is locked in the joint assembly 3 in the embodiment, the lock tongue 441 is located in the long slot 422, the end of the lock tongue 442 is provided with a downward inclined surface 4421, and the positioning pin 42 is correspondingly provided with a slope 423; when the positioning pin 42 moves upward with the first push button 41, the slope 423 abuts against the inclined surface 4421, so that the lock tongue 442 is forced to exit the long slot 422; the slope 423 and the inclined surface 4421 are designed to more smoothly push the lock tongue 441 out of the long slot 422, and the lock tongue 442 can continue to move downward until it is locked in the unlocking state of the limiting groove 421.

[0066] As shown in the drawings, Figure 5 As shown in the drawings, in the embodiment of the utility model, the positioning pin 42 is adjacent to one end of the first through hole 321 and is tapered wedge-shaped structure, so that the positioning pin 42 is more accurately inserted into the first through hole 321 and the card hole 311, the locking precision is improved, and the stable locking and quick unlocking of the turnover frame 2 are realized.

[0067] As shown in the drawings, Figures 6-7 As shown in the drawings, the lifting assembly 7 in the utility model comprises: a vertical sleeve 71 sleeved on the outer wall of the vertical rod 2; a horizontal sleeve 72 connected with the horizontal rod 5 at one end and connected with the side wall of the vertical sleeve 71 at the other end; and a telescopic pipe limiting structure 73 arranged between the vertical sleeve 71 and the horizontal sleeve 72 and used for locking the telescopic pipe 6. The utility model adjusts the height of the vertical rod 2 relative to the telescopic pipe 6 through the lifting assembly 7, and locks the vertical rod 2 and the telescopic pipe 6 after adjustment, so that the operation method is simple, and the height can be adjusted according to the needs of the guardian to adapt to different mattress thicknesses or bed heights from the ground.

[0068] Specifically, the telescopic pipe limiting structure 73 in the utility model comprises a second push button 731 exposed outside the horizontal sleeve 72, a lock block 732 connected with the second push button 731, a third guide cavity 74 provided between the vertical sleeve 71 and the horizontal sleeve 72 and used for horizontal sliding of the lock block 732, a second through hole 741 provided in the third guide cavity 74 and leading to the vertical sleeve 71, a lock hole 21 provided on the vertical rod 2 and matched with the second through hole 741, an insertion block 7321 provided at one end of the lock block 732 and penetrating through the second through hole 741 and the lock hole 21, a locking elastic member 733 provided between the other end of the lock block 732 and the horizontal sleeve 72, and a plurality of positioning holes 61 provided on the telescopic pipe 6 and matched with the insertion block 7321. In use, the lifting assembly 7 is moved up and down, the position of the insertion block 7321 inserted into the positioning hole 61 is adjusted, and the height of the vertical rod 2 relative to the telescopic pipe 6 is adjusted.

[0069] As shown in the drawings, Figures 1-3As shown, the bottom of the telescopic pipe 6 is rotationally connected with the supporting leg 8. By inserting the supporting leg 8 into the bottom of the mattress or the bed leg, the bed guardrail can be conveniently fixed; the supporting leg 8 and the telescopic pipe 6 are rotationally connected, so that the folding storage and transportation of the supporting leg are more convenient.

Claims

1. A bed rail which is capable of being raised and folded, characterized in that The utility model relates to a kind of foldable stand, including: Turnover frame (1), the turnover frame (1) is U-shaped structure; Vertical pole (2), the upper end of two vertical pole (2) is respectively connected with the both ends of turnover frame (1) by joint connecting assembly (3) rotationally; Joint connecting assembly (3), including the first joint piece (31) fixed to the lower end of the turnover frame (1), the second joint piece (32) fixed to the upper end of the vertical pole (2) and rotationally connected with the first joint piece (31), and joint locking assembly (4) is arranged in the joint connecting assembly (3), the first joint piece (31) and second joint piece (32) are locked to prevent the turnover frame (1) from turning outwards relative to vertical pole (2) by the joint locking assembly (4); Crossbar (5), connected to the lower part of two vertical poles (2); Telescopic tube (6), inserted into the lower part of the vertical pole (2); Lifting assembly (7), connected between the crossbar (5) and vertical pole (2), for driving the crossbar (5) to move up and down along the telescopic tube (6) and lock position.

2. The lift and fold bedrail of claim 1 wherein The first joint piece (31) is sleeved on the second joint piece (32), and a first guide cavity (33) is arranged in the joint connecting assembly (3);The joint locking assembly (4) includes: First push button (41), slidingly arranged on the outside of the joint connecting assembly (3); Positioning pin (42), slidingly arranged in the first guide cavity (33) and fixed to the first push button (41); Spring (43), arranged between the positioning pin (42) and joint connecting assembly (3), for ejecting the positioning pin (42); A first through hole (321) is arranged on the second joint piece (32) and communicated with the first guide cavity (33), and a clamping hole (311) is arranged on the first joint piece (31) and matched with the first through hole (321);When the turnover frame (1) is unfolded, the positioning pin (42) passes through the first through hole (321) and is clamped into the clamping hole (311) under the action of the spring (43) to lock the joint connecting assembly (3).

3. The lift and fold bedrail of claim 2, wherein The joint locking assembly (4) further includes a positioning pin locking structure (44), which is locked with the positioning pin (42) when the first push button (41) is pushed to unlock the joint connecting assembly (3), temporarily fixing the unlocking state.

4. The lift and fold bedrail of claim 3 wherein A second guide cavity (34) is arranged in the joint connecting assembly (3), and the positioning pin locking structure (44) includes: Sliding component (441), slidingly arranged in the second guide cavity (34) in the joint connecting assembly (3); Latching tongue (442), arranged on one side of the sliding component (441); Elastic component (443), arranged between the other side of the sliding component (441) and the joint connecting assembly (3); A limiting groove (421) is arranged on the positioning pin (42) and matched with the latching tongue (442);When the first push button (41) is pushed to unlock, the latching tongue (442) is clamped into the limiting groove (421) to limit the reset of the positioning pin (42).

5. The lift and fold bedrail of claim 4 wherein The first joint part (31) and the second joint part (32) are provided with a rotating shaft (35); the positioning pin (42) is provided with a long hole (422) for the rotating shaft (35) to pass through; the limiting groove (421) is a circumferential arc-shaped groove, and the opening end thereof faces the moving direction of the lock tongue (442); when the joint connecting assembly (3) rotates, the lock tongue (442) is disengaged from the limiting groove (421) to release the locking of the positioning pin (42).

6. The lift and fold bedrail of claim 5 wherein The end of the lock tongue (442) is provided with a downward inclined surface (4421), and the positioning pin (42) is correspondingly provided with a slope (423); when the positioning pin (42) moves upward with the first push button (41), the slope (423) abuts against the inclined surface (4421), so that the lock tongue (442) is forced to exit the long hole (422).

7. The foldable and raisable bedrail according to claim 2, wherein The positioning pin (42) is in a tapered wedge structure at one end adjacent to the first through hole (321).

8. The foldable and raisable bedrail according to claim 1, wherein The lifting assembly (7) comprises: A vertical sleeve (71) is sleeved on the outer wall of the stand rod (2); A horizontal sleeve (72) is connected with the horizontal rod (5) at one end and connected with the side wall of the vertical sleeve (71) at the other end; A telescopic tube limiting structure (73) is arranged between the vertical sleeve (71) and the horizontal sleeve (72) and is used for locking the telescopic tube (6).

9. The lift and fold bedrail of claim 8, wherein The telescopic tube limiting structure (73) comprises a second push button (731) exposed outside the horizontal sleeve (72), a lock block (732) connected with the second push button (731), a third guide cavity (74) provided between the vertical sleeve (71) and the horizontal sleeve (72) and used for horizontal sliding of the lock block (732), a second through hole (741) provided in the third guide cavity (74) and extending to the vertical sleeve (71), a lock hole (21) provided on the stand rod (2) and matched with the second through hole (741), an insertion block (7321) provided at one end of the lock block (732) and penetrating through the second through hole (741) and the lock hole (21), and a locking elastic member (733) provided between the other end of the lock block (732) and the horizontal sleeve (72), and a plurality of positioning holes (61) provided on the telescopic tube (6) and matched with the insertion block (7321).

10. The foldable and upgradable bedrail according to claim 1, wherein The bottom of the telescopic tube (6) is rotationally connected with a supporting leg (8).

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