CN212260958U - Bed guardrail locking mechanical system - Google Patents

Abstract

The utility model provides a guardrail locking mechanical system on bed, include: the locking piece main body is provided with a locking cavity, the sliding block is slidably arranged in the locking cavity and comprises a locking position enabling the sliding block to extend into the vertical rod and an unlocking position enabling the sliding block to exit from the vertical rod; the first lock piece can slide relative to the sliding block and can drive the sliding block to move to an unlocking position, and the first lock piece is provided with a first lock tongue; the second locking piece is rotatably connected with the locking cavity and is provided with a second lock tongue, the second lock tongue is provided with a stop position, and the second lock tongue can movably stop on a sliding path of the first lock tongue; the drive the second latch fitting rotates in order to break away from the backstop position, and the drive first latch fitting slides in order to drive the slider breaks away from behind the lock position, the unblock. The utility model discloses a set up the dual fail-safe of first latch fitting and second latch fitting, improve locking mechanical system's security.

Description

Bed guardrail locking mechanical system

Technical Field

The utility model relates to a bed protection apparatus field especially relates to a guardrail locking mechanical system on double insurance bed.

Background

The bed guardrail is mainly used for limiting the moving range of the baby on the bed, and is a device for preventing the baby from falling off when rolling over to the edge of the bed. After the bed guardrail is additionally arranged on the traditional bed side, the adult can free hands to handle other housework. Conventional bed fences typically include a frame and a fence cloth wrapped around the frame. The bed guardrail frame generally needs to comprise four rods which are enclosed, an upper connecting rod, a lower connecting rod, a left connecting rod and a right connecting rod. Wherein the upper connecting rod, the left connecting rod and the right connecting rod are respectively fixed on a high position through a locking mechanism.

Chinese patent CN201621482909.6 discloses a bed guardrail capable of adjusting vertical lifting, comprising: upper boom, lower beam, montant, the upper boom both ends that show are connected to the upper end of montant through the switch lock, and the switch lock cover is established in the montant outside, the lower beam both ends are connected to the lower extreme of montant through the bolt, and upper boom, lower beam, montant form rectangular frame structure, and the protection network cloth cover is installed to rectangular frame structure inboard, the montant lower extreme passes through the bolt to be installed on the base foot, the montant upper end is equipped with the montant lid, and one side is equipped with the montant location mouth on the montant, and the switch lock is fixed in the montant location mouth on the montant through the. But because the unlocking structure exposes, when using, can open by slightly stirring, and 2-3 years old young child's imitation ability is very strong, through observing many times, can unblock the guardrail through the action of unblanking of imitation adult, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, the utility model provides a solenoid electric control 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, a double-insurance unlocking mode is adopted, so that the unlocking difficulty is increased, the misoperation of children is prevented, and the locking safety is guaranteed;

and thirdly, the unlocking mode of single-side lifting can facilitate the entrance and exit of an adult, and the unlocking at two sides is not needed, so that the operation is troublesome.

The utility model provides a guardrail locking mechanical system on bed, include: a locking piece body formed with a locking cavity; the sliding block is slidably arranged in the locking cavity and comprises a locking position enabling the sliding block to extend into the vertical rod and an unlocking position enabling the sliding block to exit from the vertical rod; a reset member having a force that directly or indirectly maintains the slider in a locked position; the first lock piece can slide relative to the sliding block and can drive the sliding block to move to an unlocking position, and the first lock piece is provided with a first lock tongue; the second locking piece is rotatably connected with the locking cavity and is provided with a second lock tongue, the second lock tongue is provided with a stop position, and the second lock tongue can movably stop on a sliding path of the first lock tongue; the drive the second latch fitting rotates in order to break away from the backstop position, and the drive first latch fitting slides in order to drive the slider breaks away from behind the lock position, the unblock.

Preferably, the two ends of the main body of the locking member are directly or indirectly connected with the vertical bar and the upper bar respectively, and the vertical bar and the upper bar are only used for representing two adjacent sides forming the guardrail frame of the bed. The utility model discloses a set up the dual fail-safe of first latch fitting and second latch fitting, improve locking mechanical system's security.

Preferably, the first locking piece can slide in a first direction and is provided with an ejecting surface capable of pushing the sliding block to slide to an unlocking position.

Preferably, a lock tongue groove is formed in the sliding block, and the first locking piece slides in the lock tongue groove.

Preferably, the latch fitting main part still includes the apron, be equipped with the latch fitting hole on the apron, the second latch fitting can latch fitting downthehole rotation.

Preferably, be equipped with the buckling parts on the apron, be equipped with the card protruding on the second latch fitting, the card protruding with the rotatable joint of buckling parts links to each other.

Preferably, a locking piece groove matched with the first locking piece, a rotating groove matched with the second locking piece, a sliding block groove matched with the sliding block and a sliding block hole capable of accommodating the sliding block to extend into or withdraw from are formed in the locking cavity.

Preferably, a rotation stopping part for limiting the rotation range of the second bolt is arranged in the rotation groove.

Preferably, the lock body is rotatably connected to the upper crossbar.

Preferably, the locking piece main body is provided with a rotating groove, one end of the upper cross rod is connected with a rotating joint, and the rotating joint is in rotating fit with the rotating groove.

Preferably, the upper cross rod is connected with the rotary joint through a quick-release structure.

The utility model discloses a set up dual unblock mode, very big assurance locking mechanical system's security.

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 a bed fence according to the present invention;

FIG. 2 is a schematic view and a cross-sectional view of a bed fence locking mechanism of the present invention;

fig. 3 is an exploded view of a bed fence locking mechanism of the present invention;

FIG. 4 is a partial exploded view of another angle of a bed fence locking mechanism of the present invention;

fig. 5 is a schematic view of another bed fence with a support rod according to the present invention.

Description of the drawings: an upper cross bar 11, a lower cross bar 12, a left upright 13, a right upright 14, a support bar 15 and a bed guardrail frame 1; the locking piece comprises a locking piece body 2, a first locking piece 21, a first bolt 22, a second locking piece 23 and a second bolt 24; push button part 211, push surface 212, knob part 221, and clamping protrusion 222; a locking cavity 3, a locking piece groove 31, a rotating groove 32, a slider groove 33, a slider hole 34, a rotation stopping part 35, a reinforcing rib 36, a guide rail 37 and a rotating part 38; the sliding block 4, the lock tongue groove 41 and the positioning part 42; cover plate 5, locking piece hole 51, buckling part 52; a revolute joint 6.

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.

As a common protection device, the bed guardrail can be formed in the following way: comprises an upper cross bar 11 at a high position, a lower cross bar 12 at a low position, a left upright 13 which is vertical to the bedside and plays a supporting role, and a right upright 14 at the other side. The upper cross bar 11, the lower cross bar 12, the left upright stanchion 13 and the right upright stanchion 14 enclose a bed guardrail frame 1, and a bed guardrail cloth cover is arranged on the frame to prevent children from falling off the bed. One end of the upper transverse rod 11 and the upper end of the left vertical rod 13 of each guardrail section, and the other end of the upper transverse rod 11 and the upper end of the right vertical rod 14 are connected through a locking mechanism.

In some embodiments, the left and right uprights at the corners may be common, and only one upright may be provided as a common support bar for supporting the adjacent two-sided guard rails, respectively. In other embodiments, each side rail may have left and right uprights, with adjacent two side rails at corner positions, and the left and right uprights side-by-side or standing at right angles. In other embodiments, a support rod is respectively erected at the corners of the bed, and the left upright and the right upright of each guardrail are respectively fixed with the support rods. In some other embodiments, except for the frame of each bed fence, the frame is enclosed by an upper cross bar, a lower cross bar, a left guide bar and a right guide bar, wherein the left and right guide bars respectively play a role of guiding the lifting of the fence cloth, and the left and right guide bars are respectively provided with a left upright and a right upright parallel to the left and right guide bars for supporting.

Example 1

The following will describe the locking manner of the locking mechanism disclosed in the present invention, taking the structure of the bed fence as an example.

Referring to fig. 1 to 4, a three-sided guardrail structure is shown. Each guardrail comprises an upper cross rod 11, a lower cross rod 12, a left upright rod 13 and a right upright rod 14, the left upright rod 13 and the right upright rod 14 of the two guardrails at the corners are common, and only one upright rod support is arranged. One end of the upper cross bar 11 and the left upright 13, and the other end of the upper cross bar 11 and the right upright 14 are all locked and connected by a locking mechanism.

When the locking mechanism is locked, the upper cross rod 11 is kept in a high parallel state, and when the locking mechanism on any side is unlocked, the upper cross rod 11 is unlocked and falls from the corresponding left upright rod 13 or right upright rod 14, and the upper cross rod is lowered on one side, so that the adult can conveniently enter and exit.

The locking mechanism comprises a locking piece main body 2, and two ends of the locking piece main body 2 are respectively connected with the vertical rod and the upper transverse rod 11 directly or indirectly. Preferably, the lock body 2 comprises a first connecting portion adapted to be connected to the upright, a second connecting portion adapted to be connected to the upper cross bar 11, and a locking chamber hollow formed by the interior of the body. Preferably, the first connecting portion is sleeve-shaped and is sleeved and fixed on the outer wall of the vertical rod, and the second connecting portion is groove-shaped and is used for installing the rotating joint 6 connected with the upper cross rod. In other embodiments, the connection mode of the locking piece main body 2 is not limited thereto, and the form of the first connection part and the second connection part may be changed according to the connection mode. If the connection mode with the upright rod can be realized by adopting screw fixation or quick-release structure fixation, and the connection mode with the upper cross rod adopts a fixed non-rotating connection mode, the connection part is correspondingly changed into a threaded hole for fixing a screw or a through hole or a groove adaptive to the quick-release structure, and the connection part II is correspondingly changed into a slot or a plug.

Referring to fig. 2, a locking chamber 3 is formed in the locking body 2 in a hollow state, a cover plate 5 is provided at an open portion of the locking chamber, and the cover plate 5 is fastened to the locking chamber 3 through a screw to shield the locking chamber. In other embodiments, the locking cavity may be formed by the front and rear cover plates.

A second connecting part, which is a rotating part 38 and can indirectly connect the upper cross bar 11, is formed outside one side of the locking cavity 3. The rotating part 38 is in the form of an open channel and can accommodate the rotation of the revolute joint 6 in the rotating part 38 at an angle not exceeding 180 degrees, preferably not exceeding 90 degrees. The upper cross rod 11 is fixedly connected with the rotary joint 6 through a quick-release structure and then is rotatably connected with the locking cavity 3. In other embodiments, the upper cross bar 11 and the locking mechanism may be fixedly connected. Due to the arrangement of the rotating joint 6, the upper cross rod 11 can be lifted on one side when unlocked on one side.

The quick release structure can be implemented in various ways, such as a quick release structure including a locking pin, a spring movably abutting against the locking pin, and a hole for accommodating the locking pin to extend into or withdraw from. Or the quick-release structure comprises an elastic pin with a convex part at one end and a hole for accommodating the elastic pin to extend into or withdraw from. Or the quick-release structure comprises a convex part which can deform under the action of external force and a hole which can accommodate the convex part to extend into or withdraw from. Or the quick-release structure comprises a cantilever block with a convex part at one end and a hole capable of accommodating the convex part to extend into or withdraw from. In other embodiments, the quick release structure may also be realized by a magnetic attraction manner, including a magnetic attraction portion and a magnetic portion that can attract each other under the action of magnetic force, and a partition board that can separate the magnetic attraction portion and the magnetic portion.

The locking mechanism further comprises a first lock 21, a second lock 23 and a slider 4. The locking chamber 3 is provided therein with a locking piece groove 31 engaged with the first locking piece 21, a rotation groove 32 engaged with the second locking piece 23, a slider groove 33 engaged with the slider 4, and a slider hole 34 for receiving the slider 4 to be inserted or withdrawn.

The locking piece groove 31 is formed in the upper end surface of the locking piece body 2, is a blind hole groove with a shallow opening, and is suitable for guiding and positioning the sliding direction and range of the first locking piece 21. In other embodiments, the position and shape of the locking member groove 31 can be set according to the selection of the activity of the first locking member 21.

The rotation groove 32 is a hole groove with a certain depth, and a fan-shaped rotation stop portion 35 is further disposed at a non-rotation center position of the rotation groove, and is used for limiting a rotation range of the second lock tongue 22, and preferably, a fan-shaped angle of the rotation stop portion is 90 °, so that a maximum range of rotation of the second lock tongue 22 is 270 °. The rotation groove is provided below the lock groove 31.

The slider grooves 33 are bar-shaped rail grooves that accommodate the sliding movement of the slider 4 in the locking chamber 3. The end of the slider groove 33 is formed with a through hole which is a slider hole 34. The slider hole 34 accommodates the end of the slider 4 to extend into or out of the upright or other support or guide rod to lock the locking mechanism so that it is secured in the raised position.

The slide 4 comprises, during sliding, a locking position in which the slide 4 is extended into the upright and an unlocking position in which the slide 4 is retracted from the upright. In the locked position, the end of the slide 4 extends into the slide hole 34 and further into the upright or other support or guide rod for locking. In the unlocked position, the end of the slider 4 is disengaged from the upright or other support or guide rod to unlock. The tail end of the sliding block 4 is a slope surface so as to conveniently extend into or withdraw from the sliding block. The other end of the slider 4 is provided with a positioning portion 42 adapted to mount a reset member (not shown in the figures). The preferred piece that resets is the spring, and spring one end cover is located on location portion 42, and the other end activity is supported in the internal wall face of locking chamber 3.

On other internal face in locking chamber 3, be formed with a plurality of strengthening ribs 36 or guide rail 37, strengthening rib 36 can play support casing, make things convenient for effects such as shaping, and guide rail 37 can make things convenient for the rotation of revolute joint 6, perhaps makes the activity of first latch fitting 21, second latch fitting 23 more smooth, reduce friction.

First locking element 21 is a generally T-shaped structure including a push button 211 adapted to be pushed and a first locking tongue 22 adapted to interlock with another structure. The first locking piece 21 is slidably disposed in the locking piece groove 31 of the locking cavity 3, and the first locking tongue 22 extends vertically downward into the sliding block 4. The slider 4 is provided with a latch groove 41, and the first locking member 21 slides in the latch groove 41. The latch groove 41 is a through hole groove, and the first latch 22 extends from one end of the latch groove 41 to the other end and partially extends into the rotation groove 32 to be substantially flush with the rotation stop portion 35. The below that pushes away button portion 211 of first latch fitting 21 is equipped with buckle structure, and the corresponding position in locking chamber 3 is equipped with the draw-in groove structure, goes into the draw-in groove through the buckle card, prevents that first latch fitting 21 from deviating from.

The front end surface of first lock tongue 22 forms a pushing surface 212, and first lock tongue 22 extends into lock tongue groove 41. When the user applies a pushing force to the push button portion, the pushing surface 212 drives the slider 4 to disengage from the unlocking position. When the user removes the acting force, the sliding block 4 returns to the original position under the elastic force of the return spring.

The second locking member 23 is in the form of a knob and includes a knob portion 221 adapted to rotate and a second locking tongue 24 adapted to interlock with another structure. Second locking element 23 is rotatably arranged in a rotation groove 32 of locking chamber 3, and second locking tongue 24 extends vertically inward into rotation groove 32. Second locking bolt 24 is a generally semi-circular cylinder that is rotatable through an angular range of 270 such that second locking element 23 is rotatable through an angular range of 90. When the second latch tongue 24 rotates on the sliding path of the first latch tongue 22, the second latch tongue 24 is in the stop position. After the user rotates the second latch tongue 24 to disengage from the stop position, the first latch tongue 22 can slide under the dragging action of external force.

When unlocking, the second locking piece 23 is driven to rotate to separate from the stop position, then the first locking piece 21 is driven to slide to drive the sliding block to separate from the unlocking position, and the rear part can be unlocked, so that double insurance is realized. After the first locking piece 21 is released, the sliding block 4 is reset under the action of the reset piece, and then the reset of the first locking piece 21 is driven. A torsion spring or other resetting member may be provided between the second locking member 23 and the locking chamber 3, so that the second locking member 23 is reset, or the second locking member 23 is manually rotated to be reset.

A latch hole 51 is formed in the cover 5, and the second latch 23 is rotatable in the latch hole 51.

Be equipped with buckling parts 52 on the apron 5, buckling parts 52 are two buckles that the symmetry set up, are equipped with card protruding 222 on the second latch fitting 23, and card protruding 222 is protruding for following the inboard bellied round annular of latch fitting hole 51, and rotatable the linking to each other after card protruding 222 and the buckling parts 52 lock.

In other embodiments, the locking mechanism and the upper cross bar 11 may be connected by a conventional bilateral lifting method.

Example 2

The present embodiment differs from the above embodiments in that: a support rod is arranged between the two adjacent guardrail pieces.

Referring to fig. 5, each side fence includes an upper cross bar 11, a lower cross bar 12, a left vertical rod 13 and a right vertical rod 14, and the left vertical rod 13 and the right vertical rod 13 of the two side fences at the corners are further connected with support rods 15 arranged in parallel with the left vertical rod 13 and the right vertical rod 14, respectively. The locking member body 2 is provided with a hole groove adapted to be connected to the left upright 13, the right upright 14 and the support rod 15, respectively. The upper parts of the left upright 13 and the support rod 15 in one bed guardrail and the right upright 14 in the other bed guardrail adjacent to the left upright and the support rod are correspondingly inserted in the hole grooves of the locking piece main body 2.

In other embodiments, the number of the supporting rods 15 can also be set to 2, and parallel supporting rods 15 are respectively arranged beside the left upright 13 or the right upright 14 of each guardrail. Two support rods 15 are arranged side by side at the connecting corners of two adjacent guardrails. In some embodiments, a connecting buckle suitable for fixing the gap or position of the two support rods 15 can be added.

Example 3

The present embodiment differs from the above embodiments in that: is a double-sided or single-sided bed guardrail structure.

The present embodiment provides a single sided bed fence, each side fence comprising an upper rail 11, a lower rail 12, a left upright 13 and a right upright 14.

This embodiment provides a two-sided bed guardrail, and each side guardrail all includes horizontal pole 11, sheer pole 12, left pole setting 13 and right pole setting 14, and left pole setting 13 and right pole setting on corner, the adjacent two-sided guardrail still are connected with bracing piece 15 respectively. In other embodiments, the left and right uprights of adjacent two-sided guardrails serve as a common support pole.

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 (10)

1. A bed guardrail locking mechanism, comprising:

a locking piece main body formed with a locking cavity,

a sliding block which is arranged in the locking cavity in a sliding way and comprises a locking position for leading the sliding block to extend into the vertical rod and an unlocking position for leading the sliding block to exit from the vertical rod,

a reset member having a force to directly or indirectly maintain the slider in a locked position,

the first lock piece can slide relative to the sliding block and can drive the sliding block to move to an unlocking position, the first lock piece is provided with a first lock tongue,

the second locking piece is rotatably connected with the locking cavity and is provided with a second spring bolt, the second spring bolt is provided with a stop position, the second spring bolt can be movably stopped on the sliding path of the first spring bolt,

the drive the second latch fitting rotates in order to break away from the backstop position, and the drive first latch fitting slides in order to drive the slider breaks away from behind the lock position, the unblock.

2. A bed guardrail locking mechanism of claim 1 wherein: the first locking piece can slide in a first direction and is provided with an ejecting surface capable of pushing the sliding block to slide to an unlocking position.

3. A bed guardrail locking mechanism of claim 2 wherein: the slider is provided with a lock tongue groove, and the first locking piece slides in the lock tongue groove.

4. A bed guardrail locking mechanism of claim 1 wherein: the latch fitting main part still includes the apron, be equipped with the latch fitting hole on the apron, the second latch fitting can latch fitting downthehole rotation.

5. A bed guardrail locking mechanism of claim 4, wherein: the cover plate is provided with a buckling part, the second locking part is provided with a clamping protrusion, and the clamping protrusion is rotatably connected with the buckling part in a buckled mode.

6. A bed guardrail locking mechanism of claim 1 wherein: the locking cavity is internally provided with a locking piece groove matched with the first locking piece, a rotating groove matched with the second locking piece, a sliding block groove matched with the sliding block and a sliding block hole capable of accommodating the sliding block to stretch into or withdraw from.

7. A bed guardrail locking mechanism of claim 6, wherein: and a rotation stopping part for limiting the rotation range of the second lock bolt is arranged in the rotation groove.

8. A bed guardrail locking mechanism of claim 1 wherein: the locking piece main body is rotatably connected with the upper cross rod.

9. A bed guardrail locking mechanism of claim 8, wherein: the lock piece main part is provided with a rotating groove, one end of the upper cross rod is connected with a rotating joint, and the rotating joint is matched with the rotating groove in a rotating mode.

10. A bed guardrail locking mechanism of claim 9, wherein: the upper cross rod is connected with the rotating joint through a quick-release structure.

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