CN212249549U - Electrically-driven unlocking mechanism and bed guardrail - Google Patents

Abstract

The utility model provides an electrically driven release mechanism, includes bed guardrail frame, bed guardrail frame is including setting up the stand in bed body one side, the last horizontal pole that links to each other through the locking structure with the stand, the locking structure includes lockpin and lockhole, the mobilizable entering or withdraw from of lockpin the lockhole still includes electrically driven release mechanism, electrically driven release mechanism includes the motor, the output shaft axis of motor with the direction of activity of lockpin is perpendicular, the utility model discloses an electrically driven control bed guardrail's unblock with lock, can increase the convenience of unblock, let people lie in can the intelligent control unblock when the bed is internal, also no longer need both hands control during the unblock to incline, unblock one by one, still can effectively prevent the rail mistake unblock that children's maloperation leads to.

Description

Electrically-driven unlocking mechanism and bed guardrail

Technical Field

The utility model relates to an electrically driven release mechanism and bed guardrail to, the bed guardrail of electrically driven unblock is not limited to the bed guardrail that is used for the bed along protection usage, still includes children's recreation rail, pet and puts in a suitable place to breed rail etc..

Background

Along with the popularization and the promotion of the smart home, the comfort level and the safety degree of people in home life are continuously improved. Nearly all beds in wide use in the market do not contain a bed edge, but children sleep very difficultly and like to climb to the east and west and easily fall off by crossing the edge with the bed edge or without other abutting and protecting devices. In recent years, bed guardrails have been greatly developed. The four-side bed guardrail erected by the original steel pipes and the single-side overturning and folding bed guardrail are developed to the multi-side bed guardrail with a locking structure and protection by a cloth cover at present, and the bed guardrail is also subject to one-time innovation. However, the locking structure that adopts on traditional bed guardrail is mechanical locking structure usually, in order to prevent the locking back, child's maloperation unblock often adopts the mode that sets up multistage unblock or set up certain pressure unblock. However, unlocking in a multi-stage or pre-pressure setting mode brings great inconvenience to adults in the using process.

Adopt the unblock and the locking of electric drive control bed guardrail, can increase the convenience of unblock, let people lie in can the intelligent control unblock when the bed internal, also no longer need both hands control during the unblock to pursue the side, unblock one by one, still can effectively prevent the fence mistake unblock that children's maloperation leads to.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned problem among the prior art, the utility model provides an electrically driven unblock bed guardrail, its reason is as follows:

firstly, the bed guard rail can well protect the child from falling off from the bed edge when the child sleeps;

secondly, the adoption of electric drive unlocking is different from the traditional mechanical unlocking structure, multi-stage unlocking or pre-pressing unlocking needs to be set, the unlocking difficulty is increased, the misoperation of children is prevented, and the adoption of electric drive unlocking can ensure that the bed guardrail unlocking structure is simple in arrangement, convenient to operate and safe;

third, traditional bed guardrail unblock needs the people to press guardrail tip or middle part, when the people has laid inside the bed, must operate the unblock through the action of getting up, and need the bed guardrail unblock respectively at each side, some bed guardrails still require the operator to press the both ends unblock of bed side simultaneously, when the angle not to the time, still very easy card is pause, can't accomplish the unblock action, it can be more convenient to adopt the electric drive unblock, the completion of safe assistance operator in any position or angle control unblock process, also reduced children maloperation's possibility when greatly increasing the convenience.

According to the development idea, we can embody a novel and practical bed guardrail.

The utility model provides an electric drive release mechanism, include: a bed guardrail frame which comprises an upright post arranged at one side of the bed body and an upper cross bar connected with the upright post through a locking structure, the locking structure comprises a lock pin and a lock hole, the lock pin can movably extend into or withdraw from the lock hole, the locking structure also comprises an electrically driven unlocking mechanism, the electrically driven unlocking mechanism comprises a motor, the motor is provided with an output shaft, the axis of the output shaft is vertical to the moving direction of the lock pin, because the bed guardrail frame usually adopts a hollow round pipe or a flat cylindrical pipe, the internal width is limited, when installing electric drive release mechanism additional on traditional bed guardrail frame construction, the space that can be used to install this structure is limited, sets up direction of motion vertically transmission piece and lockpin fixed block, with the motion of the vertical direction of motor screw, converts the motion of lockpin horizontal direction into, can effectively save transverse distance, the limited inner space of make full use of stand.

Preferably, the electrically driven unlocking mechanism further comprises a transmission block and a lock pin fixing block, the output end of the output shaft is connected with a screw, the screw is in transmission connection with the transmission block to drive the transmission block to move along the axial direction of the screw, and the transmission block is perpendicular to the moving direction of the lock pin fixing block.

Preferably, the transmission block comprises an upper part and a lower part, the upper part is movably connected with the locking pin fixing block, and the lower part is in transmission connection with the screw rod.

Preferably, upper portion and lower part are cavity, upper portion is equipped with the wedge groove, the lockpin fixed block be equipped with the wedge face of wedge groove looks adaptation, the lower part is equipped with the thread groove, the thread groove with screw-thread fit on the screw rod or the lower part is equipped with the nut fixing base, the nut fixing base be fixed with screw thread matched with nut on the screw rod, the lockpin fixed block is equipped with the necking down, the lockpin is equipped with spacing portion, spacing portion with the activity of necking down is supported and is leaned on.

The utility model also provides an electrically driven release mechanism, include: bed guardrail frame, bed guardrail frame is including setting up the stand in bed body one side, the last horizontal pole that links to each other through locking structure with the stand, locking structure includes lockpin and lockhole, the lockpin is mobilizable to stretch into or withdraw from the lockhole still includes electric drive release mechanism, electric drive release mechanism includes the motor, the motor is equipped with the output shaft, the output shaft axis with the direction of activity of lockpin is parallel, because bed guardrail frame adopts cavity pipe or flat cylinder pipe fitting usually, and inside width is limited, when installing electric drive release mechanism additional on traditional bed guardrail frame structure, and the space that can be used to install this structure is limited, sets up the output shaft axis of motor and is parallel with lockpin direction of activity, can effectively save transverse distance, the limited inner space of make full use of stand.

Preferably, the output end of the motor is connected with a screw, the electrically-driven unlocking mechanism further comprises a lock pin fixing block, the lock pin fixing block comprises a first end and a second end, the first end is connected with the screw in a transmission mode, the second end is connected with the lock pin, the first end and the second end are in staggered distribution in the vertical direction in space, and the problem that the transverse moving stroke of the lock pin is insufficient due to insufficient installation space in the upright post can be solved through staggered distribution in the vertical direction in space of the first end and the second end.

Preferably, the lock further comprises a spring which is movably abutted against the lock pin and has an elastic force for keeping the lock pin extending into the lock hole.

Preferably, the locking pin comprises at least two operating positions: the locking pin is inserted into the initial position of the lock hole and retreats from the limit position of the lock hole, the motor is driven once, the locking pin is enabled to move from the initial position to the limit position and continuously moves to return to the initial position, two steps from unlocking to locking again are achieved through one action, and more humanized operation is achieved.

Preferably, the upright post is provided with an accommodating cavity, the end part of the accommodating cavity is provided with a movable groove, the motor is fixedly arranged in the accommodating cavity, and the transmission block is movably arranged in the movable groove.

Preferably, the transmission block is provided with a positioning groove, and the positioning groove extends along the moving direction of the transmission block; and/or, hold and be equipped with the direction muscle in the chamber, the direction muscle is followed the activity direction of driving block extends, and the setting of constant head tank/direction muscle can standardize the activity direction of driving block more on the one hand, prevents to remove the dislocation phenomenon on the way, and on the other hand can reduce and hold the friction in chamber, less sliding contact area for it is more smooth and easy to slide.

In some embodiments, in order to prevent the condition that the bed guardrail cannot be unlocked in the case of failure or power failure of the electrically-driven unlocking mechanism, a manual unlocking structure can be further arranged, and the manual unlocking structure comprises a switch, a linkage block connected with the switch and a switch groove capable of accommodating the movement of the switch.

Preferably, the linkage block and the lock pin are in the same moving direction, so that the linkage block and the lock pin are installed in a space-saving mode.

Preferably, the switch comprises a second switch, and the second switch is in the same direction as the movement direction of the lock pin.

Preferably, the switch comprises a first switch and a second switch, the moving direction of the first switch is perpendicular to the moving plane of the lock pin, the moving direction of the second switch is the same as that of the lock pin, the first switch is movably connected with the second switch, and through the arrangement of the double switches, a safety function is added, and the unlocking by misoperation of children is prevented.

Preferably, the manual unlocking mechanism is arranged above the electric driving unlocking mechanism to save space.

Preferably, the linkage block is fixed with a shifting piece, the lock pin is further provided with a clamping portion clamped with the shifting piece, and one end of the shifting piece is connected with the locking pin clamping portion.

The utility model also provides a bed guardrail, including at least one bed guardrail frame, bed guardrail frame includes two stands that are parallel to each other, and locates last horizontal pole between two stands, arbitrary one the stand with it all is equipped with electric drive release mechanism to go up between the horizontal, bed guardrail still includes remote control unit, remote control unit can adopt mode control such as infrared, bluetooth, WIFI electric drive release mechanism is with first mode, second mode or third mode work.

The utility model discloses a set up opening and closing of electric drive release mechanism control bed guardrail, more guarantee the unblock safety when making things convenient for the unblock, reduce child mistake unblock risk.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the complete single-sided guardrail frame structure of the present invention;

fig. 2 is a schematic view of a bed guardrail unlocking structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a locking pin fixing block of a bed guardrail unlocking structure according to the present invention;

fig. 4 is a schematic view of the working mode of the bed guardrail unlocking structure of the present invention;

fig. 5 is a schematic view of the locking state of the bed guardrail unlocking structure of the present invention;

fig. 6 is a schematic view of an electrically driven unlocking state of the bed guardrail unlocking structure of the present invention;

fig. 7 is a schematic view of the bed guardrail unlocking structure in a manual unlocking state;

fig. 8 is a schematic view of another bed guardrail unlocking structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "mounted," "disposed," "provided," "connected," and "sleeved" should be understood in a broad sense. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

When an installation is described as being "connected" or "connected," it can be directly connected or indirectly connected through intervening components. The terms "vertical," "horizontal," "parallel," and the like as used herein refer to a substantially vertical or substantially horizontal condition within reasonable tolerances, and are not necessarily exact; the terms "horizontal" and "vertical" are used merely to describe the relative positions of the components.

The utility model discloses if there is not the opposite suggestion, a part "is equipped with", "is located", "is established", "is connected" another subassembly to do not exclude this two subassemblies structure as an organic whole.

The utility model provides a bed guardrail is roughly including some commonality characteristics. The bed guardrail can be a bed guardrail formed by a single-side bed guardrail frame, a bed guardrail formed by vertically installing a double-side bed guardrail frame, a bed guardrail formed by vertically installing a three-side bed guardrail frame in pairs, or a bed guardrail formed by enclosing and installing four-side bed guardrail frames. The bed guard rail is arranged on one side or a plurality of sides of the bed edge and is vertical to the bed surface. The bed guardrail frame generally comprises two mutually parallel upright posts and an upper cross rod arranged between the two upright posts, wherein a lower cross rod is arranged between the two upright posts in some bed guardrail frames, the upper cross rod and the lower cross rod are respectively positioned at the high position and the low position of the upright posts, and the upright posts, the upper cross rod or the upper cross rod and the lower cross rod enclose a combined frame to be detachably provided with cloth sleeves for preventing children from falling from the bed side. In some embodiments, the bed guardrail frame is also provided with a guide column parallel to the upright post, and the cloth cover is arranged through the frame enclosed by the guide column and the upper cross rod or the upper cross rod and the lower cross rod.

Referring to fig. 1, locking structures 4 are respectively installed between an upper cross bar 2 and a left upright post 1 of a bed guardrail frame, and between the upper cross bar 2 and a right upright post (not shown), and the upper cross bar 2 is kept at a high position through the locking structures 4 to tighten a cloth cover for protection. When unlocking, the locking structure 4 between the upper cross rod 2 and the upright post is disengaged, so that the upper cross rod 2 can fall from a high position under the action of gravity. The locking structure 4 comprises a lock pin 41 and a lock hole 42, and the lock pin 41 can movably extend into or withdraw from the lock hole 42 to lock or unlock.

The utility model provides an electrically driven unlocking bed guardrail is suitable for and installs near above-mentioned locking structure position to this locking structure of unblock.

Example 1

Referring to fig. 2-3, the electrically driven unlocking mechanism 5 includes a motor 51 and a transmission block 52. Because bed guardrail frame adopts cavity pipe or flat cylinder pipe fitting usually, and inside width is limited, when installing electric drive release mechanism 5 additional on traditional bed guardrail frame structure, the space that can be used to install this structure is limited, consequently, sets up direction of motion vertically transmission piece 52 and lockpin fixed block 53, with the motion of motor 51 screw rod vertical direction, converts the motion of lockpin 41 horizontal direction into, can save in the assembly in space and the traditional stand pipe fitting. The motor 51 is provided with an output shaft, the output end of the output shaft is connected with a screw rod or a screw rod, the screw rod is in transmission connection with the transmission block 52 to drive the transmission block 52 to move axially along the screw rod, the transmission block 52 is perpendicular to the moving direction of the lock pin fixing block 53, and the moving direction of the lock pin fixing block 53 is the same as that of the lock pin 41. In this embodiment, a reduction gear assembly (not shown in the figure) may be additionally installed between the output shaft of the motor and the screw, and the rotation speed of the output shaft of the motor 51 and the movable displacement of the screw transmission block are adjusted by the acceleration effect of the reduction gear box, so as to adapt to the effective locking depth of the lock pin 41 and the lock hole 42.

In order to save the installation space, referring to fig. 3, the driving block 52 includes an upper portion and a lower portion, the upper portion is provided with a wedge-shaped groove, the locking pin fixing block 53 is provided with a wedge-shaped surface matched with the wedge-shaped groove, the upper portion is movably connected with the locking pin fixing block 53, and the lower portion is connected with the screw drive. The upper portion and the lower portion are both hollow, the lock pin fixing block 53 is provided with a necking 531, the lock pin 41 is provided with a limiting portion 411, the limiting portion 411 is annular, the diameter of the cross section where the limiting portion 411 is located is larger than the diameter of the cross sections of other portions of the lock pin 41, and therefore the limiting portion 411 can be movably abutted against the necking 531. The inner wall of the lower part is provided with a thread groove which is matched with the thread on the screw rod to realize positive and negative movement along the movement direction of the lock pin. In other embodiments, the lower part of the screw rod can also be provided with a nut fixing seat, and a nut matched with the thread on the screw rod is fixed on the nut fixing seat.

Inside the lockpin fixed block 53, still mobilizable holding has the spring, and lockpin 41 is equipped with the installation department that extends from the spacing portion with lockpin fixed block 53 complex one end for install the spring, and the one end and the installation department of spring cup joint, and the other end supports with lockpin fixed block is inside, and the spring has the elastic force that keeps lockpin 41 to stretch into the lockhole. In other embodiments, the spring and the lock pin can be mounted in a plurality of ways, such as forming a small hole in the lock pin, and mounting the head of the spring in a penetrating manner. The movable propping modes of the lock pin 41 and the lock pin fixing block 53 are also various, and the shape of the limiting part can also select a bulge or a groove and the like at a specific position in an adaptive manner.

In the present embodiment, the lock pin 41 is mounted on the pillar, and the lock hole 42 is provided at a corresponding position of the upper rail. Be equipped with on the stand and hold chamber 11, hold chamber 11 tip and be equipped with the movable groove, motor 51 fixed mounting holds in chamber 11, and driving block 52 movable mounting is in the movable groove. In other embodiments, the positions of the lock pin 41 and the lock hole 42 may be interchanged. In other embodiments, the movable slot may be an empty slot with an open end or other movable space for accommodating the movement of the transmission block 52.

In this embodiment, the driving block 52 is provided with a positioning slot, and the positioning slot extends along the moving direction of the driving block. The accommodating cavity is internally provided with a guide rib which extends along the moving direction of the transmission block. The setting of constant head tank/direction muscle can standardize the activity direction of driving block more on the one hand, prevents to remove the dislocation phenomenon on the way, and on the other hand can reduce and hold the friction in chamber, less sliding contact area for it is more smooth and easy to slide. In other embodiments, only the positioning groove or only the guiding rib may be provided, and other ways such as adding lubricating liquid to reduce sliding friction or increasing the sliding direction of the limiting part may also be adopted.

When the electrically driven unlocking mechanism works, the lock pin at least comprises two working positions: an initial position of insertion into the lock hole, and an extreme position of withdrawal from the lock hole. Referring to fig. 5-7, the electrically driven unlocking mechanism operates on the principle of: when the motor 51 is powered on to drive the output screw of the motor 51 to rotate, the nut on the screw moves upwards together with the transmission block 52 to push the lock pin fixing seat 53 to move under the push of the inclined plane, and when the lock pin fixing seat moves to a certain distance, the lock pin 41 completely breaks away from the lock hole and moves to the limit position of exiting the lock hole to complete the unlocking action. Then the motor 51 rotates reversely to drive the locking pin fixing seat 53 to return to the initial position extending into the locking hole.

In some embodiments, the drive motor may be configured to move in respective forward and reverse directions to lock and unlock the lock, respectively, and may be configured to move in a single motion to positively effect a single back and forth movement of the lock pin from the initial position to the final position.

Example 2

The present embodiment differs from the above embodiments in that: the output shaft axis of the motor 51 is parallel to the moving direction of the lock pin 41.

In order to ensure the installation in a limited space and the moving stroke of the motor, the width of the upright post can be larger than that of a traditional pipe fitting, and the motor is of the type with the shortest stroke length so as to ensure the moving stroke of locking and unlocking of the lock pin.

Referring to fig. 8, an output shaft of the motor 51 is in transmission connection with the locking pin fixing block 53 in the same direction, and an output end of the motor 51 is connected with a screw. The electrically driven unlocking mechanism further comprises a locking pin fixing block 53, the locking pin fixing block 53 is shaped like a whole scale and comprises a first end 533 and a second end 534, the first end 533 is coaxially connected with the screw in a transmission mode, the second end 534 is movably connected with the locking pin 41, and the first end 533 and the second end 534 are distributed up and down in space. The second end 534 is located at an upper portion of the first end 533, and the latch 41 is movably supported against the cavity.

Because the installation space in the upright is limited and the lock pin 41 needs to be provided with a certain movable displacement, in order to save the installation space, the quick-acting fixing block 53 is integrally arranged in a step shape, the upper layer is a first end 534, the lower layer is a second end 533, and the two are arranged in a staggered way, so that the transverse distance is saved.

Preferably, the assembly manner of the second end 534 and the lock pin 41 can be adopted, a necking 531 is arranged in a hollow of the second end 534, the lock pin 41 is provided with a limiting portion 411, the limiting portion 411 is annular, and the diameter of the cross section of the limiting portion 411 is larger than that of the cross section of other portions of the lock pin 41, so that the limiting portion 411 can movably abut against the necking 531. In other embodiments, the form of the movable butting can be adapted to other kinds of shapes.

The transmission mode of the first end 533 and the screw rod can be adopted, and a thread groove is formed in the inner wall of the first end 533, and is matched with the thread on the screw rod to realize coaxial transmission. In other embodiments, a nut fixing seat may be provided, and a nut adapted to the thread of the screw rod is fixed on the nut fixing seat.

In the inside of the lock pin fixing block 53, for example, inside the cavity of the second end 534, a spring is movably accommodated, an installation portion extending from the limiting portion is arranged at one end of the lock pin 41, which is matched with the lock pin fixing block 53, for installing the spring, one end of the spring is sleeved with the installation portion, the other end of the spring abuts against the inside of the lock pin fixing block 53, and the spring has an elastic force for keeping the lock pin 41 extending into the lock hole. In other embodiments, the spring and the lock pin can be mounted in a plurality of ways, such as forming a small hole in the lock pin, and mounting the head of the spring in a penetrating manner. The movable propping modes of the lock pin 41 and the lock pin fixing block 53 are also various, and the shape of the limiting part can also select a bulge or a groove and the like at a specific position in an adaptive manner.

The working principle of the electrically driven unlocking mechanism is as follows: when the motor 51 is electrified to drive the output screw of the motor 51 to rotate, the screw drives the lock pin fixing block 53 to move forwards or backwards, and when the lock pin fixing block moves to a certain distance, the lock pin 41 is completely separated from the lock hole and moves to the limit position of exiting the lock hole, so that the unlocking action is completed. Then the motor 51 rotates reversely to drive the locking pin fixing seat 53 to return to the initial position extending into the locking hole.

In some embodiments, the drive motor may be configured to move in respective forward and reverse directions to lock and unlock the lock, respectively, and may be configured to move in a single motion to positively effect a single back and forth movement of the lock pin from the initial position to the final position.

Example 3

The present embodiment differs from the above embodiments in that: and a manual unlocking structure is added.

In some embodiments, a manual unlocking mechanism 6 may be provided to prevent failure of the electrically driven unlocking mechanism or failure to unlock the bed guard.

The manual unlocking structure 6 comprises a switch 61, a linkage block 62 connected with the switch, and a switch groove 63 capable of accommodating the switch activity, wherein the linkage block 62 is fixed with a shifting piece 63, the lock pin 41 is also provided with a clamping part clamped with the shifting piece 63, and one end of the shifting piece 63 is connected with the clamping part of the lock pin 41. Preferably, the shifting piece 63 is 7-shaped, a U-shaped notch is formed in the joint of the shifting piece 63 and the lock pin 41, the lock pin 41 is provided with an annular lock pin clamping portion, the shifting piece 63 is fixedly connected to the linkage block 62, the shifting piece 63 is driven to move in the same direction when the linkage block 62 moves, and the shifting piece 63 is clamped to the annular lock pin clamping portion to drive the lock pin 41 to open. Preferably, the manual unlocking mechanism 6 is arranged above the electric-driven unlocking mechanism 5, and the linkage block 62 is in the same moving direction as the lock pin 41.

In this embodiment, the switch 61 includes a first switch 611 and a second switch 612, the moving direction of the first switch 611 is perpendicular to the moving plane of the lock pin 41, the second switch 612 is the same as the moving direction of the lock pin 41, and the first switch 611 and the second switch 612 are movably connected, so that through the arrangement of the double switches, a safety function is added, and the unlocking by a child through misoperation is prevented. In other embodiments, only the second switch 612 may be provided.

The working principle of manual unlocking is as follows:

when the first switch 611 is pressed, the second switch 612 slides backwards to drive the shifting piece 63 to move backwards together, the U-shaped shifting piece 63 simultaneously drives the lock pin 41 to move backwards, and when the lock pin 41 moves to a certain distance, the lock pin is separated from the lock hole, and unlocking is completed. The unlocking button is then returned to the initial position under the action of the return spring.

Example 4

The present embodiment differs from the above embodiments in that: the electrically driven unlocking mechanism is also provided with a remote control.

Referring to fig. 4, in this embodiment, the electrically driven unlocking mechanism is connected to the remote control device through the infrared remote control module, the remote control device is a remote controller, and the remote controller is provided with three selectable operating modes, including a first operating mode, a second operating mode, and a third operating mode. Under the first mode state, two electrically driven unlocking mechanisms of the guardrail frame of the single-sided bed work simultaneously, namely the motor rotates forwards for a certain time simultaneously, the output shaft rotates to drive the screw rod to rotate to further drive the transmission block to interact for a certain displacement so as to enable the lock pin to move from the initial position to the extreme position to complete unlocking, and then the motor rotates backwards for the same time, and the output shaft rotates backwards to drive the screw rod to rotate backwards so as to enable the lock pin to move from the extreme position to the initial position to achieve resetting. The second operating mode differs from the first operating mode in that only one of the two electrically driven unlocking mechanisms of the single-sided bed guardrail frame is operated, and the other one is kept in a standby state. The third working mode is different from the first working mode in that two electrically driven unlocking mechanisms of the single-face bed guardrail frame work in sequence, and after the first electrically driven unlocking mechanism finishes acting, the second electrically driven unlocking mechanism starts to work again.

In other embodiments, the remote control device may be controlled by bluetooth communication, WIFI networking, or other radio frequency or wire connection, so as to drive the electrically driven unlocking mechanism to operate according to the above working mode. In other embodiments, according to the difference of the installation number of the bed guardrail frames, other working modes can be further set, such as a working mode for independently controlling the unlocking of the electrically-driven unlocking mechanism of one bed guardrail frame, a working mode for simultaneously controlling the unlocking of the electrically-driven unlocking mechanism of the double-sided or multi-sided bed guardrail frame, a working mode for sequentially controlling the unlocking of the electrically-driven unlocking mechanism of the double-sided or multi-sided bed guardrail frame, and the like.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (11)

1. The utility model provides an electrically-driven release mechanism, includes bed guardrail frame, bed guardrail frame is including setting up the stand in bed body one side, and the last horizontal pole that links to each other through locking structure with the stand, locking structure includes lockpin and lockhole, the lockpin is mobilizable stretch into or withdraw from the lockhole, its characterized in that: the electric drive unlocking structure comprises a motor, and the axis of the output shaft of the motor is perpendicular to the moving direction of the lock pin.

2. An electrically driven unlocking mechanism according to claim 1, characterized in that: the output end of the motor is connected with a screw rod, the electrically-driven unlocking structure further comprises a transmission block and a lock pin fixing block, the screw rod is in transmission connection with the transmission block to drive the transmission block to move axially along the screw rod, and the transmission block is perpendicular to the moving direction of the lock pin fixing block.

3. An electrically driven unlocking mechanism according to claim 2, characterized in that: the transmission block comprises an upper part and a lower part, the upper part is movably connected with the lock pin fixing block, and the lower part is connected with the screw in a transmission way.

4. An electrically driven unlocking mechanism according to claim 3, characterized in that: the upper part is provided with a wedge-shaped groove, and the lock pin fixing block is provided with a wedge-shaped surface matched with the wedge-shaped groove; the lower part is provided with a thread groove, the thread groove is matched with the thread on the screw rod or the lower part is provided with a nut fixing seat, the nut fixing seat is fixedly provided with a nut matched with the thread on the screw rod, the lockpin fixing block is provided with a necking down, the lockpin is provided with a limiting part, and the limiting part is movably abutted against the necking down.

5. The utility model provides an electrically-driven release mechanism, includes bed guardrail frame, bed guardrail frame is including setting up the stand in bed body one side, and the last horizontal pole that links to each other through locking structure with the stand, locking structure includes lockpin and lockhole, the lockpin is mobilizable stretch into or withdraw from the lockhole, its characterized in that: the electric drive unlocking structure comprises a motor, the axis of the output shaft of the motor is parallel to the moving direction of the lock pin,

the output end of the motor is connected with a screw rod, the electrically-driven unlocking structure further comprises a lock pin fixing block, the lock pin fixing block comprises a first end and a second end, the first end is connected with the screw rod in a coaxial transmission mode, the second end is connected with the lock pin, and the first end and the second end are in up-down staggered distribution in space.

6. An electrically driven unlock mechanism according to any one of claims 1 to 5, wherein: the spring is movably abutted against the lock pin and has elastic force for keeping the lock pin extending into the lock hole.

7. An electrically driven unlock mechanism according to claim 6 wherein: the locking pin comprises at least two working positions: the locking pin is driven once to move from the initial position to the limit position and continue to move to return to the initial position.

8. An electrically driven unlock mechanism according to claim 6 wherein: the upright post is provided with a containing cavity, the end part of the containing cavity is provided with a movable groove, the motor is fixedly arranged in the containing cavity, and the transmission block is movably arranged in the movable groove.

9. An electrically driven unlock mechanism according to claim 8 wherein: the transmission block is provided with a positioning groove, and the positioning groove extends along the moving direction of the transmission block; and/or a guide rib is arranged in the accommodating cavity and extends along the moving direction of the transmission block.

10. An electrically driven unlock mechanism according to claim 9 wherein: still include manual unlocking structure, manual unlocking structure includes the switch, the linkage piece that links to each other with the switch, can hold the switch groove of switch activity, manual unlocking structure includes at least one of following characteristic:

the linkage block and the lock pin have the same moving direction;

the switch comprises a first switch and a second switch, the moving direction of the first switch is vertical to the moving plane of the lock pin, the moving direction of the second switch is the same as that of the lock pin, and the first switch is movably connected with the second switch;

the manual unlocking structure is arranged above the electric driving unlocking structure;

the linkage block is fixed with a shifting piece, the lock pin is further provided with a clamping part clamped with the shifting piece, and one end of the shifting piece is connected with the locking pin clamping part.

11. The utility model provides a bed guardrail, includes at least one bed guardrail frame, bed guardrail frame includes two stands that are parallel to each other, and locates last horizontal pole between two stands, its characterized in that: an electrically driven unlocking structure as claimed in any one of claims 1 to 5 and 7 to 10 is provided between any one of the upright posts and the upper cross bar, and the bed guardrail further comprises a remote control device which can control the electrically driven unlocking structure to work in a first working mode, a second working mode or a third working mode.

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