CN215533107U

CN215533107U - Bed guardrail

Info

Publication number: CN215533107U
Application number: CN202121701082.4U
Authority: CN
Inventors: 黄乃书
Original assignee: Zhongshan Yingshang Daily Products Co ltd
Current assignee: Zhongshan Yingshang Daily Products Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-18
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a bed guardrail, which comprises a base frame, a first support and a second support, wherein the base frame can be inserted between a bed frame and a mattress and is pressed and fixed by the mattress, one end of the base frame is rotatably connected with a support assembly which can rotate, fold or rotate and unfold relative to the base frame, the support assembly comprises a first support, the lower end of the first support is rotatably connected with the base frame, the upper end of the first support is slidably connected with the second support, and an adjusting and locking structure capable of adjusting the height of the second support is arranged between the second support and the first support; when using, the relative bracket component of operation chassis rotates the expansion, then inserts the chassis between bedstead and the mattress and makes the relative bedstead of bracket component fixed, adjusts the height that the second support was adjusted to the locking structure through the operation after that, can adjust the height of second support according to user's user demand promptly, and the practicality is high, and the suitability is strong, and the simple operation still has occupation space simultaneously and is little, is convenient for deposit and the characteristics of transportation.

Description

Bed guardrail

[ technical field ] A method for producing a semiconductor device

The utility model relates to a bed guardrail.

[ background of the utility model ]

Many people roll over involuntarily when sleeping, for example, when the people roll over too much, the people roll over to the bed carelessly, and the old people with a big age or the infants with a big activity usually cause no harm once the people roll over to the bed carelessly. Therefore, the bed guardrail applied to the bed is produced according to market demands, and the bed guardrail structure in the current market generally comprises an underframe and a support assembly fixedly connected with the underframe, so that the bed guardrail structure has the problems of inconvenient transportation and storage and large occupied space; in addition, the support assembly of present bed guardrail can not the height-adjusting, and this leads to the practicality low, and can not satisfy the defect of user's needs or scene demand.

Therefore, the present invention has been made in view of the above problems.

[ Utility model ] content

The utility model aims to overcome the defects in the prior art, provides a bed guardrail, can solve the problems in the prior art, and has the characteristics of convenience in operation, storage and transportation and convenience in use.

The utility model is realized by the following technical scheme:

the utility model provides a bed guardrail, is including can pegging graft and being pushed down fixed chassis 1 between bedstead and the mattress, 1 one end of chassis is connected with the relative chassis 1 with rotating and folds up or rotate the bracket component that expandes, the bracket component includes that lower extreme and chassis 1 rotate the first support 2 of being connected, 2 upper ends slidable of first support are connected with second support 3, be equipped with between second support 3 and the first support 2 and adjust the regulation locking structure of 3 heights of second support.

The bed guardrail is characterized in that the adjusting and locking structure comprises a fixed locking hole 20 formed in the first support 2, a plurality of movable locking holes 30 which can be aligned with the fixed locking hole 20 when the second support 3 slides relative to the first support 2 are formed in the second support 3, and the adjusting and locking structure further comprises a locking mechanism 4 which can be simultaneously arranged in the movable locking holes 30 and the fixed locking holes 20 in a penetrating mode when the movable locking holes 30 are aligned with the fixed locking holes 20.

The bed guardrail is characterized in that the first support 2 comprises two support rods 21 which are arranged at intervals and in parallel, the lower ends of the two support rods 21 are rotatably connected with the underframe 1, the upper ends of the two support rods 21 are connected with the second support 3 which is arranged in a U shape, and a reinforcing rod 22 is arranged between the two support rods 21; the locking mechanism 4 comprises a locking block 41 which is slidably arranged on the reinforcing rod 22 and can simultaneously penetrate through the movable locking hole 30 and the fixed locking hole 20, an unlocking part 43 which is connected with the locking block 41 and can be operated by a user is slidably arranged on the outer side of the reinforcing rod 22, and a spring 44 which can enable the locking block 41 to reset is arranged between the locking block 41 and the reinforcing rod 22.

The bed guardrail is characterized in that the two ends of the reinforcing rod 22 are respectively provided with the connecting sleeve 221 which can be sleeved on the supporting rod 21, and the connecting sleeve 221 is provided with the blocking ring 222 which can abut against the upper end surface of the supporting rod 21 when the connecting sleeve 221 is sleeved on the supporting rod 21 so as to prevent the connecting sleeve 221 from sliding downwards relative to the supporting rod 21.

The bed guardrail is characterized in that the connecting sleeve 221 is connected with the reinforcing rod 22 through a connecting rod 223; the locking block 41 comprises a locking body 411 which is slidably arranged on the reinforcing rod 22, one end of the locking body 411 is connected with a locking head 412 which can simultaneously penetrate through the movable locking hole 30 and the fixed locking hole 20, the locking body 411 is provided with a strip-shaped groove 413 through which the connecting rod 223 penetrates, the spring 44 is positioned in the strip-shaped groove 413, one end of the spring 44 abuts against the side wall of the strip-shaped groove 413, and the other end of the spring 44 abuts against the connecting rod 223; the unlocking part 43 is an unlocking sleeve sleeved on the reinforcing rod 22, the unlocking sleeve is connected with the reinforcing rod 22 through a connecting column 431, a strip-shaped hole 220 for the connecting column 431 to penetrate through the activity is arranged at the position, corresponding to the sliding position of the unlocking sleeve, on the reinforcing rod 22, the other end of the locking body 411 is connected with the connecting column 431.

The bed guardrail is characterized in that the adjusting and locking structure comprises a plurality of locking holes 20 formed in the first support 2, the second support 3 is provided with a movable locking hole 30 which can be aligned with the locking hole 20 when the second support 3 slides relative to the first support 2, and the adjusting and locking structure further comprises a locking mechanism 4 which can be simultaneously penetrated in the movable locking hole 30 and the locking hole 20 when the movable locking hole 30 is aligned with the locking hole 20.

The bed guardrail is characterized in that the first support 2 comprises two support rods 21 which are arranged at intervals and in parallel, the lower ends of the two support rods 21 are rotatably connected with the underframe 1, and the upper ends of the two support rods 21 are connected with the second support 3 which is arranged in a U shape; locking mechanical system 4 is including establishing in second support 3 and with moving the communicating horizontal spout 40 in locking hole 30, be connected with in the horizontal spout 40 with can wear to establish simultaneously and move the locking piece 41 in locking hole 30 and the locking hole 20, be equipped with the unblock portion 43 that supplies the user operation on the second support 3 outside movablely, unblock portion 43 passes through the stay cord 42 with locking piece 41 and is connected, be equipped with between locking piece 41 and the horizontal spout 40 lateral wall and supply stay cord 42 to pass and enable the spring 44 that locking piece 41 resets.

The bed guardrail is characterized in that the reinforcing rods 22 are arranged between the supporting rods 21, the two ends of each reinforcing rod 22 are respectively provided with the connecting sleeve 221 capable of being sleeved on the supporting rod 21, and the connecting sleeve 221 is provided with the blocking ring 222 capable of abutting against the upper end face of the supporting rod 21 to prevent the connecting sleeve 221 from sliding downwards relative to the supporting rod 21 when the connecting sleeve 221 is sleeved on the supporting rod 21.

The bed guardrail is characterized in that the second bracket 3 is provided with a holding part 31 for a user to hold, and the holding part 31 is provided with a plurality of annular strips 311 at intervals.

The bed guardrail is characterized in that a bottom rod 5 is arranged between the two support rods 21, and when the first support 2 is unfolded relative to the base frame 1, the bottom rod 5 and the base frame 1 are positioned on the same plane.

The bed guardrail is characterized in that the underframe 1 is U-shaped, and two ends of the underframe 1 are rotatably connected with the first support 2.

Compared with the prior art, the utility model has the following advantages:

1. when the adjustable bed mattress is used, the operation underframe rotates and unfolds relative to the support component, then the underframe is inserted between the bed frame and the bed mattress to fix the support component relative to the bed frame, and then the height of the second support is adjusted by operating the adjusting and locking structure, namely the height of the second support can be adjusted according to the use requirements of users, so that the adjustable bed mattress can be matched with bed mattresses with different heights for use, and the adjustable bed mattress has the advantages of high practicability, strong applicability and convenient operation; when the bed guardrail is stopped to be used, the underframe is only required to be taken out from the position between the bed frame and the bed mattress, then the underframe is operated to rotate and fold relative to the support assembly, and then the locking structure is operated to unlock, so that the second support can partially or completely retract relative to the first support, and the whole shape of the bed guardrail is reduced, the occupied space is small, and the bed guardrail is convenient to store and transport.

2. Two be equipped with the stiffener between the bracing piece, can improve the structural strength between two bracing pieces, ensure that the structure is firm.

3. The utility model discloses a bracing piece, including bracing piece, connecting sleeve, supporting rod, bracing piece, the bracing piece both ends all are equipped with the adapter sleeve that can overlap on the bracing piece, be equipped with on the adapter sleeve and lean on with the bracing piece up end when the adapter sleeve overlaps on the bracing piece and lean on in order to prevent the relative bracing piece gliding stop ring of adapter sleeve, when the equipment, only need the corresponding cover of adapter sleeve of operation bracing piece to establish on supporting rod for the stop ring supports and leans on the bracing piece up end and can make the relative fixed connection of bracing piece and bracing piece, and it is convenient to assemble.

4. The locking body is provided with a strip-shaped groove for the connecting rod to penetrate through, so that the locking block can be prevented from being separated from the reinforcing rod, and the locking block can be ensured to slide stably and smoothly.

5. The handle portion is provided with a plurality of annular strips at intervals, so that friction between the handle portion and the hand of a user can be increased, the phenomenon of slipping is prevented, and the user can conveniently and stably take the food.

6. And a bottom rod is arranged between the two support rods, and when the first support is unfolded relative to the bottom frame, the bottom rod and the bottom frame are positioned on the same plane, so that the structural strength and the stability of the utility model can be improved.

[ description of the drawings ]

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:

fig. 1 is a schematic view of the expanded state of embodiment 1 of the present invention.

Fig. 2 is a schematic view of a folded state in embodiment 1 of the present invention.

Fig. 3 is one of partial sectional views of embodiment 1 of the present invention.

Fig. 4 is a partial sectional view of the second embodiment 1 of the present invention.

Fig. 5 is a schematic view of the expanded state of embodiment 2 of the present invention.

Fig. 6 is a sectional view of embodiment 2 of the present invention.

Fig. 7 is a partial sectional view of embodiment 2 of the present invention.

[ detailed description ] embodiments

Embodiments of the present invention will be described in detail below with reference to fig. 1 to 7.

Example 1:

as shown in fig. 1-4, the bed guardrail of the present invention comprises a base frame 1 which can be inserted between a bed frame and a mattress and is pressed and fixed by the mattress, wherein one end of the base frame 1 is rotatably connected with a bracket assembly which can be rotatably folded or rotatably unfolded relative to the base frame 1, the bracket assembly comprises a first bracket 2 whose lower end is rotatably connected with the base frame 1, the upper end of the first bracket 2 is slidably connected with a second bracket 3, and an adjusting and locking structure which can adjust the height of the second bracket 3 is arranged between the second bracket 3 and the first bracket 2. When the adjustable bed mattress is used, the operation underframe rotates and unfolds relative to the support component, then the underframe is inserted between the bed frame and the bed mattress to fix the support component relative to the bed frame, and then the height of the second support is adjusted by operating the adjusting and locking structure, namely the height of the second support can be adjusted according to the use requirements of users, so that the adjustable bed mattress can be matched with bed mattresses with different heights for use, and the adjustable bed mattress has the advantages of high practicability, strong applicability and convenient operation; when the bed guardrail is stopped to be used, the underframe is only required to be taken out from the position between the bed frame and the bed mattress, then the underframe is operated to rotate and fold relative to the support assembly, and then the locking structure is operated to unlock, so that the second support can partially or completely retract relative to the first support, and the whole shape of the bed guardrail is reduced, the occupied space is small, and the bed guardrail is convenient to store and transport.

As shown in fig. 1 to 4, the adjusting and locking structure includes a fixed locking hole 20 provided on the first bracket 2, a plurality of movable locking holes 30 capable of aligning with the fixed locking hole 20 when the second bracket 3 slides relative to the first bracket 2 are provided on the second bracket 3, and the adjusting and locking structure further includes a locking mechanism 4 capable of simultaneously penetrating into the movable locking holes 30 and the fixed locking holes 20 when the movable locking holes 30 are aligned with the fixed locking holes 20.

As shown in fig. 1-4, the first support 2 includes two support rods 21 arranged in parallel at intervals, the lower ends of the two support rods 21 are rotatably connected with the underframe 1, the upper ends of the two support rods 21 are connected with a second support 3 arranged in a U-shape, and a reinforcing rod 22 is arranged between the two support rods 21; the locking mechanism 4 comprises a locking block 41 which is slidably arranged on the reinforcing rod 22 and can simultaneously penetrate through the movable locking hole 30 and the fixed locking hole 20, an unlocking part 43 which is connected with the locking block 41 and can be operated by a user is slidably arranged on the outer side of the reinforcing rod 22, and a spring 44 which can enable the locking block 41 to reset is arranged between the locking block 41 and the reinforcing rod 22. When folding is needed, the user operates the unlocking part 43 to drive the locking block 41 to slide towards the side away from the support rod 21, i.e. the locking block 41 is separated from the movable locking hole 30 and the fixed locking hole 20, meanwhile, the spring 44 is compressed by the locking block 41 and the reinforcing rod 22 and has an elastic restoring force, at the moment, the second support can be operated to slide downwards relative to the support rod and retract into the support rod, so that the second support is folded, and then the bed guardrail can be integrally folded by rotating and folding the operation chassis relative to the support rod, as shown in fig. 2, the operation is convenient and fast, and the use is convenient.

According to the utility model, the reinforcing rod 22 is arranged between the two support rods 21, so that the structural strength between the two support rods can be improved, and the stability of the structure is ensured.

As shown in fig. 1-4, the two ends of the reinforcing rod 22 are both provided with a connecting sleeve 221 capable of being sleeved on the supporting rod 21, and the connecting sleeve 221 is provided with a blocking ring 222 capable of abutting against the upper end surface of the supporting rod 21 when the connecting sleeve 221 is sleeved on the supporting rod 21 to prevent the connecting sleeve 221 from sliding downwards relative to the supporting rod 21. During assembly, the reinforcing rod and the supporting rod can be relatively and fixedly connected only by operating the corresponding sleeve of the connecting sleeve of the reinforcing rod to be sleeved on the supporting rod, so that the blocking ring 222 is abutted against the upper end face of the supporting rod 21, and the assembly is convenient.

As shown in fig. 1-4, the connecting sleeve 221 is connected with the reinforcing rod 22 through a connecting rod 223; the locking block 41 comprises a locking body 411 which is slidably arranged on the reinforcing rod 22, one end of the locking body 411 is connected with a locking head 412 which can simultaneously penetrate through the movable locking hole 30 and the fixed locking hole 20, the locking body 411 is provided with a strip-shaped groove 413 through which the connecting rod 223 penetrates, the spring 44 is positioned in the strip-shaped groove 413, one end of the spring 44 abuts against the side wall of the strip-shaped groove 413, and the other end of the spring 44 abuts against the connecting rod 223; unlocking portion 43 establishes the unlocking sleeve on stiffener 22 for the cover, be equipped with the operation panel that supplies user operation on the unlocking sleeve, the unlocking sleeve is connected through spliced pole 431 with stiffener 22, be equipped with the strip hole 220 that supplies spliced pole 431 to run through the activity on the stiffener 22 corresponding to unlocking sleeve sliding position, the locking body 411 other end is connected with spliced pole 431. According to the utility model, the strip-shaped groove 413 is matched with the connecting rod 223, so that the locking block can be prevented from being separated relative to the reinforcing rod, and the locking block can be ensured to slide stably and smoothly.

As shown in fig. 1 to 3, when unlocking the locking blocks 32 at the left and right ends of the reinforcing rod 22, a user only needs to operate the two unlocking portions 43 on the reinforcing rod 22 with one hand to make the two unlocking portions 43 move relatively, so that the two unlocking blocks can be separated from the corresponding movable locking holes 30 and the corresponding fixed locking holes 20, and the unlocking is completed.

As shown in fig. 1 and 2, the second frame 3 is provided with a holding portion 31 for the user to hold, the holding portion 31 is provided with a plurality of annular strips 311 at intervals, so that the friction between the holding portion and the hand of the user can be increased, the slipping phenomenon is prevented, and the user can conveniently and stably take the product. The grip portion 31 is made of silicone rubber, plastic or the like.

As shown in fig. 1 and 2, a bottom bar 5 is further disposed between the two support bars 21, and when the first bracket 2 is unfolded relative to the base frame 1, the bottom bar 5 and the base frame 1 are in the same plane, so that the structural strength and stability of the present invention can be improved.

As shown in fig. 1 and 2, in order to facilitate the insertion of the base frame between the bed frame and the mattress, the base frame 1 is U-shaped, and two ends of the base frame 1 are rotatably connected with the first support 2.

Example 2:

embodiment 2 differs from embodiment 1 in that, as shown in fig. 5 to 7, the adjusting and locking structure includes a plurality of locking holes 20 provided in the first bracket 2, the second bracket 3 is provided with a movable locking hole 30 capable of aligning with the locking holes 20 when the second bracket 3 slides relative to the first bracket 2, and the adjusting and locking structure further includes a locking mechanism 4 capable of simultaneously penetrating into the movable locking hole 30 and the locking holes 20 when the movable locking hole 30 is aligned with the locking holes 20.

As shown in fig. 5-7, the first support 2 includes two support rods 21 arranged in parallel at intervals, the lower ends of the two support rods 21 are rotatably connected with the underframe 1, and the upper ends of the two support rods 21 are connected with a second support 3 arranged in a U shape; locking mechanical system 4 is including establishing in second support 3 and with moving the communicating horizontal spout 40 in locking hole 30, be connected with in the horizontal spout 40 with can wear to establish simultaneously and move the locking piece 41 in locking hole 30 and the locking hole 20, be equipped with the unblock portion 43 that supplies the user operation on the second support 3 outside movablely, unblock portion 43 passes through the stay cord 42 with locking piece 41 and is connected, be equipped with between locking piece 41 and the horizontal spout 40 lateral wall and supply stay cord 42 to pass and enable the spring 44 that locking piece 41 resets. When needing to fold up, user operation unlocking part 43 drives the locking piece through the stay cord and slides toward keeping away from and moving locking hole 30 one side, can make locking piece 41 break away from and move locking hole 30 and locking hole 20, spring 44 has an elastic restoring force by locking piece 41 and the compression of 40 lateral walls of horizontal spout, but this moment the relative bracing piece of second support of operatable slides downwards and in the bracing piece of withdrawal, thereby accomplish the receipts of second support, later rotate the relative bracing piece of operation chassis and fold up and accomplish the whole of folding up to the bed guardrail, and the operation is convenient, high durability and convenient use.

As shown in fig. 5-7, a reinforcing rod 22 is disposed between the two support rods 21, so as to improve the structural strength between the two support rods and ensure the stable structure.

As shown in fig. 5-7, the two ends of the reinforcing rod 22 are provided with connecting sleeves 221 capable of being sleeved on the supporting rod 21, and the connecting sleeves 221 are provided with blocking rings 222 capable of abutting against the upper end surface of the supporting rod 21 to prevent the connecting sleeves 221 from sliding downwards relative to the supporting rod 21 when the connecting sleeves 221 are sleeved on the supporting rod 21. During assembly, the reinforcing rod and the supporting rod can be relatively and fixedly connected only by operating the corresponding sleeve of the connecting sleeve of the reinforcing rod to be sleeved on the supporting rod, so that the blocking ring 222 is abutted against the upper end face of the supporting rod 21, and the assembly is convenient.

Claims

1. The utility model provides a bed guardrail, its characterized in that is including can pegging graft and is pushed down fixed chassis (1) between bedstead and the mattress, chassis (1) one end is connected with the relative chassis (1) with rotating and folds up or rotate the bracket component of expansion, the bracket component includes that lower extreme and chassis (1) rotate first support (2) of being connected, first support (2) upper end slidable is connected with second support (3), be equipped with between second support (3) and first support (2) and adjust the regulation locking structure of second support (3) height.

2. A bed guardrail according to claim 1, characterized in that the adjusting and locking structure comprises a fixed locking hole (20) provided on the first bracket (2), the second bracket (3) is provided with a plurality of movable locking holes (30) which can be aligned with the fixed locking hole (20) when the second bracket (3) slides relative to the first bracket (2), and the adjusting and locking structure further comprises a locking mechanism (4) which can be simultaneously inserted into the movable locking holes (30) and the fixed locking hole (20) when the movable locking holes (30) are aligned with the fixed locking hole (20).

3. The bed guardrail according to claim 2, characterized in that the first support (2) comprises two spaced and parallel support bars (21), the lower ends of the two support bars (21) are rotatably connected with the underframe (1), the upper ends of the two support bars (21) are connected with a second support (3) arranged in a U shape, and a reinforcing bar (22) is arranged between the two support bars (21); the locking mechanism (4) comprises a locking block (41) which is slidably arranged on the reinforcing rod (22) and can be simultaneously arranged in the movable locking hole (30) and the fixed locking hole (20) in a penetrating mode, an unlocking portion (43) which is connected with the locking block (41) and can be operated by a user is slidably arranged on the outer side of the reinforcing rod (22), and a spring (44) which can enable the locking block (41) to reset is arranged between the locking block (41) and the reinforcing rod (22).

4. A bed guardrail according to claim 3, characterized in that the two ends of the reinforcing rod (22) are provided with connecting sleeves (221) which can be sleeved on the supporting rods (21), and the connecting sleeves (221) are provided with blocking rings (222) which can abut against the upper end surfaces of the supporting rods (21) when the connecting sleeves (221) are sleeved on the supporting rods (21) to prevent the connecting sleeves (221) from sliding downwards relative to the supporting rods (21).

5. A bed guardrail according to claim 4, characterized in that the connecting sleeves (221) are connected with the reinforcement rods (22) by connecting rods (223); the locking block (41) comprises a locking body (411) which is slidably arranged on the reinforcing rod (22), one end of the locking body (411) is connected with a locking head (412) which can simultaneously penetrate through a movable locking hole (30) and a fixed locking hole (20), a strip-shaped groove (413) through which the connecting rod (223) penetrates is formed in the locking body (411), the spring (44) is located in the strip-shaped groove (413), one end of the spring (44) abuts against the side wall of the strip-shaped groove (413), and the other end of the spring (44) abuts against the connecting rod (223); the utility model discloses a reinforcing bar locking device, including reinforcing bar (22), unlocking portion (43), unlocking sleeve on reinforcing bar (22) is established for the cover to unlocking sleeve on unlocking portion (43), unlocking sleeve is connected through spliced pole (431) with reinforcing bar (22), be equipped with corresponding to unlocking sleeve sliding position on reinforcing bar (22) and supply spliced pole (431) to run through bar hole (220) of activity, locking body (411) other end is connected with spliced pole (431).

6. A bed guardrail according to claim 1, characterized in that the adjusting and locking structure comprises a plurality of locking holes (20) provided on the first support (2), the second support (3) is provided with a movable locking hole (30) which can be aligned with the locking holes (20) when the second support (3) slides relative to the first support (2), and the adjusting and locking structure further comprises a locking mechanism (4) which can be inserted into the movable locking hole (30) and the locking holes (20) simultaneously when the movable locking hole (30) is aligned with the locking holes (20).

7. A bed guardrail according to claim 6, characterized in that the first bracket (2) comprises two spaced and parallel support rods (21), the lower ends of the two support rods (21) are rotatably connected with the underframe (1), and the upper ends of the two support rods (21) are connected with a second bracket (3) arranged in a U shape; locking mechanical system (4) including establish in second support (3) and with the communicating horizontal spout (40) of movable locking hole (30), horizontal spout (40) are connected with sliding and can wear to establish simultaneously and move locking hole (30) and fixed locking hole (20) in locking piece (41), be equipped with the unblock portion (43) that supplies user operation on the second support (3) outside with moving, unblock portion (43) are connected through stay cord (42) with locking piece (41), be equipped with between locking piece (41) and horizontal spout (40) lateral wall and supply stay cord (42) to pass and can make locking piece (41) spring (44) that reset.

8. A bed guardrail according to claim 7, characterized in that a reinforcing rod (22) is arranged between the two supporting rods (21), connecting sleeves (221) capable of being sleeved on the supporting rods (21) are respectively arranged at both ends of the reinforcing rod (22), and a blocking ring (222) capable of abutting against the upper end surface of the supporting rod (21) to prevent the connecting sleeve (221) from sliding downwards relative to the supporting rod (21) when the connecting sleeves (221) are sleeved on the supporting rods (21) is arranged on the connecting sleeves (221).

9. A bed guardrail according to any one of the claims 1-8, characterized in that the second support (3) is provided with a grip part (31) for the user to hold, and the grip part (31) is provided with a plurality of annular bars (311) at intervals.

10. A bed guardrail according to claim 3 or 7, characterized in that a bottom bar (5) is arranged between the two support bars (21), the bottom bar (5) and the base frame (1) being in the same plane when the first support (2) is unfolded relative to the base frame (1).