CN214905394U - Novel bed guardrail opened by using knob - Google Patents

Abstract

The utility model belongs to the technical field of bed guardrail, in particular to a novel bed guardrail opened by a knob, which comprises a cross rod and a stand column for supporting the cross rod, wherein the cross rod is connected with the stand column in a sliding way, a clamping piece and a reset spring are arranged on the stand column in a sliding way, a control handle and an ejector pin are arranged on the cross rod, and a connecting piece and a knob are arranged in the control handle in a sliding way; be provided with a plurality of driving levers on the knob, be provided with on the connecting piece with driving lever complex connecting hole, the knob rotates the in-process, the driving lever in proper order with connecting hole cooperation and drive connecting piece and thimble slide in the horizontal pole to break away from through thimble drive joint spare motion and with the horizontal pole, make horizontal pole and stand relieve the locking, the horizontal pole can slide from top to bottom on the stand, be provided with on the knob and keep away the dead slot, when connecting piece and knob installation or dismantlement relatively, stir the arch and get into and keep away the dead slot and become the off-state with dialling the groove, the utility model aims at providing a convenient operation, high novel bed guardrail that uses the knob to open of security.

Description

Novel bed guardrail opened by using knob

Technical Field

The utility model belongs to the technical field of bed guardrail/bed rail, refer in particular to a novel bed guardrail that applied knob was opened.

Background

Along with the continuous growth of infant, the nature of infant's lively nature shows gradually, the less crib of area can not satisfy infant's activity and play gradually, but the commonly-used bed in the family does not have the guardrail mostly, when infant's activity or the bed is thoroughly rolled, fall from the bed because of accident easily, cause the injury, the emergence of bed guardrail then has avoided the emergence of this kind of accident for infant's head of a family, the bed guardrail among the prior art can control the perpendicular oscilaltion of horizontal pole mostly according to user's demand, the guardrail of bed on the market mostly sets up elastic clamping spare through the guardrail both ends simultaneously makes horizontal pole and stand joint fixed, and realize the joint and the separation of horizontal pole and stand through the latch device of operating guardrail both ends clamping spare respectively, complex operation is neither convenient.

Disclosure of Invention

The utility model aims at providing a bed guardrail that novel applied knob that convenient operation, security are high was opened.

The purpose of the utility model is realized like this:

the novel bed guardrail opened by using the knob comprises a cross rod and a stand column used for supporting the cross rod, wherein the cross rod is connected with the stand column in a sliding manner, a clamping piece and a reset spring used for driving the clamping piece to be clamped and locked with the cross rod are arranged on the stand column in a sliding manner, a control handle and a thimble used for driving the clamping piece to move are arranged on the cross rod, a connecting piece connected with the thimble and a knob used for controlling the connecting piece to move are arranged in the control handle in a sliding manner;

the periphery of the knob is provided with a plurality of shifting grooves, a plurality of shifting protrusions matched with the shifting grooves are arranged on the connecting piece at intervals, and in the rotating process of the knob, the shifting grooves on the knob are sequentially matched with the shifting protrusions and drive the connecting piece and the ejector pins to slide in the cross rod, so that the ejector pins drive the clamping piece to move and separate from the cross rod, the cross rod and the stand column are unlocked, and the cross rod can slide up and down on the stand column;

the knob is provided with a clearance groove, and when the connecting piece and the knob are relatively installed or disassembled, the poking protrusion enters the clearance groove and is separated from the poking groove.

Preferably, the poking groove is a strip-shaped groove with a circular arc-shaped cross section, and the poking protrusion is a strip-shaped protrusion with a circular arc-shaped cross section.

Preferably, the control handle is provided with a mounting hole for mounting the cross rod, the connecting piece is inserted in the mounting hole, the side wall of the mounting hole is provided with a fixing hole, the connecting piece is provided with a positioning button matched with the fixing hole, the positioning button is provided with a third elastic piece for driving the positioning button to be matched with the fixing hole, and the positioning button penetrates through the cross rod and is matched with the fixing hole to enable the cross rod to be relatively fixed with the control handle

Preferably, the connecting piece comprises a connecting piece body connected with the ejector pin and a connecting seat connected with the telescopic connecting rod, the connecting piece body is arranged in the cross rod in a sliding mode, the connecting seat is movably arranged in the control handle, the cross rod is provided with a first elastic piece, the first elastic piece drives the connecting piece body to abut against the connecting seat, when the cross rod and the control handle are disassembled relatively, the connecting seat is left in the control handle, and the connecting piece body is separated from the control handle along with the cross rod.

Preferably, the connecting seat is provided with a positioning hole, the connecting piece body is provided with a positioning bulge matched with the positioning hole, and the positioning bulge is arranged in the positioning hole in a penetrating mode when the connecting seat drives the connecting piece body to move.

Preferably, the connecting seat is provided with a limiting groove, the control handle is provided with a limiting rod matched with the limiting groove, and the limiting rod slides in the limiting groove in the process of driving the connecting seat to move by the knob.

Preferably, be provided with the mounting groove on the connecting piece, first elastic component sets up in the mounting groove, and is provided with the setting element on the horizontal pole, and first elastic component drive connecting piece supports tightly on the setting element to make the thimble keep away from joint spare.

Preferably, the two sides of the knob are provided with clamping pieces, the two sides of the control handle are respectively provided with ejector pins for driving the clamping pieces to move, the control handle is internally provided with connecting pieces respectively connected with the two groups of ejector pins, the two groups of connecting pieces extend towards the two sides of the knob, and when the knob rotates, the poking grooves in the knob are matched with the poking protrusions in the two groups of connecting pieces and drive the two groups of connecting pieces to move.

Preferably, the horizontal pole is provided with the connector, and the thimble slides and sets up in the connector, and is provided with on the connector with joint spare complex joint hole, during the use, the thimble is ejecting joint spare from the joint hole, makes horizontal pole and stand release the locking.

Preferably, the stand column is provided with a placement hole, the clamping piece is arranged in the placement hole in a sliding mode, the reset spring is arranged in the placement hole, the stand column is provided with a limiting hole, the clamping piece is provided with a limiting pin, and the reset spring drives the limiting pin to abut against the end portion of the limiting hole.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the stand column is provided with the clamping piece in a sliding manner and a reset spring for driving the clamping piece to be clamped and locked with the cross rod, the cross rod is provided with the control handle and the thimble for driving the clamping piece to move, the control handle is internally provided with the connecting piece connected with the thimble in a sliding manner and the knob for controlling the movement of the connecting piece, and the clamping piece cannot lift along with the cross rod in the structure, so that articles such as bed sheets are prevented from being hooked, the use is convenient, and the accidental bending and damage of the clamping piece are avoided; the periphery of the knob is provided with a plurality of shifting grooves, a plurality of shifting protrusions matched with the shifting grooves are arranged on the connecting piece at intervals, in the rotating process of the knob, the shifting grooves on the knob are sequentially matched with the shifting protrusions and drive the connecting piece and the ejector pins to slide in the cross rod, so that the clamping piece is driven by the ejector pins to move and be separated from the cross rod, the cross rod and the stand column are unlocked, the cross rod can slide up and down on the stand column, the shifting grooves and the shifting protrusions are of very simple structures, the production is convenient, and the production cost is reduced; the connecting piece is provided with a shifting groove, the shifting protrusion enters the shifting groove and is separated from the shifting groove when the connecting piece and the knob are installed or disassembled relatively, and the connecting piece and the knob are convenient to disassemble and assemble quickly due to the arrangement of the shifting groove, so that the bed guardrail is convenient to assemble, disassemble and transport.

2. Dial the groove and be convex bar connected in star for the cross-section, and stir the arch and be convex bar arch for the cross-section, lead this structure and be convenient for dial the groove and stir bellied cooperation of being connected, avoid production error and installation error to lead to dialling the groove and stir the protruding unable smooth cooperation of protruding, the person of facilitating the use uses.

3. The control handle is provided with a mounting hole for mounting the cross rod, the connecting piece is inserted in the mounting hole, the side wall of the mounting hole is provided with a fixed hole, the connecting piece is provided with a positioning button matched with the fixed hole, the positioning button is provided with a third elastic piece for driving the positioning button to be matched with the fixed hole, the positioning button passes through the cross rod and is matched with the fixed hole, so that the cross rod and the control handle are relatively fixed, and the cross rod and the control handle are relatively fixed through the positioning button and the third elastic piece; the connecting piece includes the connecting piece body of being connected with the thimble and the connecting seat of being connected with telescopic link, the slip sets up in the horizontal pole on the connecting piece body, the activity sets up in brake valve lever on the connecting seat, and be provided with first elastic component on the horizontal pole, first elastic component drive connecting piece body supports on the connecting seat, when horizontal pole and brake valve lever are dismantled relatively, the connecting seat is stayed in brake valve lever, the connecting piece body separates with brake valve lever along with the horizontal pole together, bed guardrail dismantlement in-process connecting seat is connected with telescopic link all the time, need not consider the cooperation of connecting seat and telescopic link when reassembling, be convenient for horizontal pole and brake valve lever recombination installation, be favorable to the quick installation dismantlement of bed guardrail.

4. The connecting seat of the utility model is provided with the limiting groove, the control handle is provided with the limiting rod matched with the limiting groove, the limiting rod slides in the limiting groove when the knob drives the connecting seat to move, the arrangement of the limiting rod and the limiting groove limits the moving range of the connecting seat, reduces the idle work done by a user in the use process and avoids the connecting seat from being separated from the control handle; be provided with the mounting groove on the connecting piece, first elastic component sets up in the mounting groove, and is provided with the setting element on the horizontal pole, and first elastic component drive connecting piece supports tightly on the setting element to make the thimble keep away from joint spare, mounting groove and setting element be provided with and do benefit to and avoid the unexpected drive joint spare of thimble to separate with the horizontal pole, improve the security of bed guardrail.

5. The connecting seat of the utility model is provided with the positioning hole, the connecting piece body is provided with the positioning bulge matched with the positioning hole, when the connecting seat drives the connecting piece body to move, the positioning bulge is arranged in the positioning hole, the positioning installation of the connecting seat and the connecting piece body is convenient due to the arrangement of the positioning bulge and the positioning hole, and the relative deflection of the connecting seat and the connecting piece body is avoided, thereby influencing the driving of the connecting seat to the connecting piece body; the knob both sides all are provided with joint spare, the brake valve lever both sides are provided with the thimble of drive joint spare motion respectively, and be provided with the connecting piece of being connected with two sets of thimbles respectively among the brake valve lever, two sets of connecting pieces extend to the knob both sides, when the knob rotates, dial groove on the knob and the protruding cooperation of stirring on two sets of connecting pieces, and drive two sets of connecting piece motions, make horizontal pole and two sets of stand stable connections through two sets of joint spares in this structure, and only need through a knob control when controlling the horizontal pole and going up and down, the person of facilitating the use controls.

6. The connecting head is arranged on the cross rod, the thimble is arranged in the connecting head in a sliding manner, and the connecting head is provided with a clamping hole matched with the clamping piece; be provided with the arrangement hole on the stand, joint spare slides and sets up in the arrangement hole, and reset spring sets up in the arrangement hole, and is provided with spacing hole on the stand, is provided with the spacer pin on the joint spare, and reset spring drive spacer pin supports at spacing hole tip, and this structure has limited the motion range of joint spare, avoids joint spare to stretch out the overlength from the installation piece to lead to avoiding the unexpected damage of buckling of joint spare cup.

Drawings

Fig. 1 is an exploded schematic view of the present invention;

fig. 2 is one of the cross-sectional views of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a second cross-sectional view of the present invention;

fig. 5 is a schematic structural diagram of a connection seat according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a connector body according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a connecting member according to a second embodiment of the present invention;

fig. 8 is a schematic structural diagram of the middle knob of the present invention.

In the figure: 1-a control handle; 2-a connector; 3-a knob; 4-a clamping piece; 5-a first elastic member; 6-a thimble; 7-a cross bar; 8-upright column; 11-an inner tube; 12-a front cover; 13-rear cover; 14-a fixation hole; 15-a through hole; 16-a limiting rod; 17-mounting holes; 21-a connecting seat; 22-the connector body; 23-mounting grooves; 24-a placement groove; 25-a positioning button; 26-a third elastic member; 31-a control section; 32-mounting a rod; 33-groove shifting; 41-a return spring; 42-a limit pin; 51-a positioning element; 61-a connecting rod; 71-a connector; 72-a clamping hole; 73-perforation; 81-a mounting seat; 82-placing holes; 83-a limiting hole; 211-toggle protrusion; 212-positioning holes; 213-a limit groove; 221-positioning projection.

Detailed Description

The invention will be further described in the following with reference to the accompanying drawings in which:

referring to fig. 1 to 8, novel bed guardrail that applied knob was opened, including horizontal pole 7, and be used for supporting horizontal pole 7's stand 8, horizontal pole 7 and stand 8 sliding connection, it is provided with joint 4 and the reset spring 41 that drives joint 4 and the locking of horizontal pole 7 joint to slide on the stand 8, is provided with control handle 1 on the horizontal pole 7 and is used for driving thimble 6 of joint 4 motion, slides in the control handle 1 and is provided with connecting piece 2 of being connected with thimble 6, and the knob 3 of control connecting piece 2 motion, and joint 4 can not go up and down along with horizontal pole 7 in this structure to avoid catching up articles such as sheet, facilitate the use, and be favorable to avoiding the unexpected damage of buckling of joint 4.

The circumference is provided with a plurality of grooves 33 on the knob 3, the interval is provided with a plurality of and dials protruding 211 of stirring of groove 33 complex on the connecting piece 2, knob 3 rotates the in-process, dial groove 33 on the knob 3 in proper order with stir protruding 211 cooperation and drive connecting piece 2 and thimble 6 slide in horizontal pole 7, thereby drive the motion of joint spare 4 and break away from with horizontal pole 7 through thimble 6, make horizontal pole 7 and stand 8 relieve the locking, horizontal pole 7 can slide from top to bottom on stand 8, dial groove 33 and stir protruding 211 and be very simple structure, convenient production, be favorable to reducing manufacturing cost, in this embodiment knob 3 is including exposing the control part 31 in the brake valve lever 1 outside, be provided with installation pole 32 on the control part 31, the circumference evenly is provided with ten on the installation pole 32 and dials groove 33.

The knob 3 is provided with the clearance groove 34, when the connecting piece 2 and the knob 3 are relatively installed or disassembled, the shifting protrusion 211 enters the clearance groove 34 and is separated from the shifting groove 33, the clearance groove 34 is convenient to install and disassemble the connecting piece 2 and the knob 3 quickly, and the bed guardrail is convenient to install, disassemble and transport.

It is preferred dial groove 33 is convex bar recess for the cross-section, and stir protruding 211 and be convex bar arch for the cross-section, lead this structure be convenient for dial groove 33 and stir protruding 211's cooperation of being connected, avoid production error and installation error to lead to dialling groove 33 and stir protruding 211 and can't cooperate smoothly, the person of facilitating the use uses, and the cross-section is convex stir protruding 211 and has reduced the edges and corners, difficult wearing and tearing.

Be provided with the mounting hole 17 of installation horizontal pole 7 on brake valve lever 1, connecting piece 2 is inserted and is established in the mounting hole 17, and be provided with fixed orifices 14 on the mounting hole 17 lateral wall, be provided with on connecting piece 2 with fixed orifices 14 complex positioning button 25, be provided with drive positioning button 25 and fixed orifices 14 complex third elastic component 26 on the positioning button 25, positioning button 25 from passing horizontal pole 7 and with the fixed orifices 14 cooperation, make horizontal pole 7 and brake valve lever 1 relatively fixed through positioning button 25 and third elastic component 26, moreover, the steam valve lever is simple in structure, make things convenient for the quick installation cooperation of connecting piece 2 and driving medium, be convenient for the dismantlement transportation of bed guardrail.

Be provided with on the connecting piece 2 and place groove 24, third elastic component 26 sets up in placing groove 24, and during the motion of connecting piece 2, third elastic component 26 slides in placing groove 24, in this embodiment third elastic component 26 is the spring leaf, and positioning button 25 and the setting of third elastic component 26 integral type are favorable to positioning button 25 and the stable of third elastic component 26 to be connected to this structure, the utility model discloses in be provided with the elastic support on the connecting piece 2, the elastic support setting is in one side of positioning button 25, and when user control positioning button 25 and fixed orifices 14 break away from, positioning button 25 supports tightly on the elastic support, and this structure is favorable to improving positioning button 25's support intensity, avoids the mistake to touch and leads to positioning button 25 and fixed orifices 14 accident to break away from.

In this embodiment, the control handle 1 includes a front cover 12 and a rear cover 13 which are detachably disposed, an inner tube 11 is disposed between the front cover 12 and the rear cover 13, one end of a cross rod 7 is inserted into the inner tube 11, a through hole 73 is disposed on the cross rod 7, a through hole 15 is disposed on the inner tube 11, and a positioning button 25 passes through the through hole 73 and the through hole 15 and then is matched with the fixing hole 14.

Preferably 3 both sides of knob all are provided with joint spare 4, 1 both sides of control handle are provided with the thimble 6 of drive joint spare 4 motion respectively, and be provided with the connecting piece 2 of being connected with two sets of thimbles 6 respectively in the control handle 1, two sets of connecting pieces 2 extend to 3 both sides of knob, when knob 3 rotates, dial groove 33 on the knob 3 and stir protruding 211 cooperation on two sets of connecting pieces 2, and drive two sets of connecting pieces 2 motions, make horizontal pole 7 and two sets of stand 8 stable connections through two sets of joint spares 4 in this structure, and only need through 3 controls of a knob when control horizontal pole 7 goes up and down, the person of facilitating the use controls.

In this embodiment be provided with mount pad 81 on the stand 8, be provided with the mounting hole 82 on the mount pad 81, joint spare 4 slides and sets up in mounting hole 82, reset spring 41 sets up in mounting hole 82, and be provided with spacing hole 83 on the stand 8, be provided with spacer pin 42 on joint spare 4, reset spring 41 drives spacer pin 42 and supports at spacing hole 83 tip, this structure has restricted joint spare 4's range of motion, avoid joint spare 4 to stretch out the overlength from mount pad 81, thereby lead to avoiding 4 cups of joint spare unexpected damage of buckling.

The utility model discloses in be provided with connector 71 on the horizontal pole 7, thimble 6 slides and sets up in connector 71, and be provided with on the connector 71 with joint 4 complex joint hole 72, during the use, thimble 6 is ejecting from joint hole 72 joint 4, make horizontal pole 7 and stand 8 remove the locking, the setting of connector 71 is convenient for thimble 6's stable slip, and it is ejecting from joint hole 72 with joint 4 to be convenient for thimble 6, thereby avoid thimble 6 and joint 4 dislocation to influence 6 drive joints 4 movements of thimble.

In this embodiment, the connecting member 2 may be integrally disposed, and the connecting member 2 may also include a connecting member body 22 and a mounting seat 81 that are detachably disposed.

The first embodiment is as follows:

the connecting piece 2 includes the connecting piece body 22 of being connected with thimble 6 and the connecting seat 21 of being connected with knob 3, slide on the connecting piece body 22 and set up in horizontal pole 7, the activity sets up in brake valve lever 1 on the connecting seat 21, and be provided with first elastic component 5 on the horizontal pole 7, first elastic component 5 drive connecting piece body 22 supports on connecting seat 21, when horizontal pole 7 is dismantled with brake valve lever 1 relatively, connecting seat 21 remains in brake valve lever 1, connecting piece body 22 separates with brake valve lever 1 along with horizontal pole 7 together, connecting seat 21 is connected with telescopic link all the time in the bed guardrail dismantlement process, need not consider the cooperation of connecting seat 21 with telescopic link when reassembling, be convenient for horizontal pole 7 and brake valve lever 1 re-assembly installation, be favorable to the quick installation dismantlement of bed guardrail.

The connecting seat 21 is provided with a positioning hole 212, the connecting member body 22 is provided with a positioning protrusion 221 matched with the positioning hole 212, when the connecting seat 21 drives the connecting member body 22 to move, the positioning protrusion 221 penetrates through the positioning hole 212, the positioning installation of the connecting seat 21 and the connecting member body 22 is facilitated due to the arrangement of the positioning protrusion 221 and the positioning hole 212, and the connecting seat 21 and the connecting member body 22 are prevented from being inclined relatively, so that the driving of the connecting seat 21 on the connecting member body 22 is prevented from being influenced.

Be provided with mounting groove 23 on the connecting piece body 22, first elastic component 5 sets up in mounting groove 23, and is provided with setting element 51 on the horizontal pole 7, and 5 one end of first elastic component support on the 23 lateral walls of mounting groove, and the 5 other ends of first elastic component support on setting element 51 to make thimble 6 keep away from joint 4, mounting groove 23 and setting element 51 be provided with and do benefit to and avoid 6 unexpected drive joint 4 of thimble to separate with horizontal pole 7, improve the security of bed guardrail.

According to the preferred type, the connecting seat 21 is provided with the limiting groove 213, the control handle 1 is provided with the limiting rod 16 matched with the limiting groove 213, the limiting rod 16 slides in the limiting groove 213 when the knob 3 drives the connecting seat 21 to move, the arrangement of the limiting rod 16 and the limiting groove 213 limits the movement range of the connecting seat 21, the idle work done by a user in the use process is reduced, and the connecting seat 21 is prevented from being separated from the control handle 1.

Example two:

connecting piece 2 can the integral type setting, is provided with mounting groove 23 on connecting piece 2, and first elastic component 5 sets up in mounting groove 23, and is provided with setting element 51 on horizontal pole 7, and 5 one ends of first elastic component support on the lateral wall of mounting groove 23, and the 5 other ends of first elastic component support on setting element 51, sets up the activity of connecting piece 2 on horizontal pole 7 through setting element 51, avoids connecting piece 2 and horizontal pole 7 accident to break away from, and this structure is simple relatively, facilitates the production installation.

When the cross bar 7 and the control handle 1 are relatively disassembled, firstly the control knob 3 is controlled to rotate, the toggle protrusion 211 enters the clearance groove 34 and is separated from the toggle groove 33, then the positioning button 25 is controlled to be separated from the fixing hole 14, and finally the connecting piece 2 and the cross bar 7 are controlled to be separated from the control handle 1 together.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. Novel bed guardrail that applied knob was opened, including horizontal pole (7), and be used for supporting stand (8) of horizontal pole (7), horizontal pole (7) and stand (8) sliding connection, its characterized in that: the upright post (8) is provided with a clamping piece (4) and a return spring (41) for driving the clamping piece (4) to be clamped and locked with the cross rod (7) in a sliding manner, the cross rod (7) is provided with a control handle (1) and a thimble (6) for driving the clamping piece (4) to move, a connecting piece (2) connected with the thimble (6) and a knob (3) for controlling the connecting piece (2) to move are arranged in the control handle (1) in a sliding manner;

the rotary knob is characterized in that a plurality of shifting grooves (33) are formed in the upper circumference of the rotary knob (3), a plurality of shifting protrusions (211) matched with the shifting grooves (33) are arranged on the connecting piece (2) at intervals, and in the rotating process of the rotary knob (3), the shifting grooves (33) on the rotary knob (3) are sequentially matched with the shifting protrusions (211) and drive the connecting piece (2) and the ejector pins (6) to slide in the cross rod (7), so that the clamping piece (4) is driven to move through the ejector pins (6) and is separated from the cross rod (7), the cross rod (7) and the upright post (8) are unlocked, and the cross rod (7) can slide up and down on the upright post (8);

the knob (3) is provided with a clearance groove (34), and when the connecting piece (2) and the knob (3) are relatively installed or disassembled, the poking protrusion (211) enters the clearance groove (34) and is separated from the poking groove (33).

2. The novel bed guardrail opened by the knob according to claim 1, characterized in that: the poking groove (33) is a strip-shaped groove with a circular arc-shaped cross section, and the poking bulge (211) is a strip-shaped bulge with a circular arc-shaped cross section.

3. The novel bed guardrail opened by the application knob as claimed in claim 1 or 2, wherein: be provided with mounting hole (17) of installation horizontal pole (7) on brake valve lever (1), connecting piece (2) are inserted and are established in mounting hole (17), and are provided with on mounting hole (17) lateral wall fixed orifices (14), be provided with on connecting piece (2) with fixed orifices (14) complex positioning button (25), be provided with on positioning button (25) and drive positioning button (25) and fixed orifices (14) complex third elastic component (26), positioning button (25) are from passing horizontal pole (7) and cooperating with fixed orifices (14), make horizontal pole (7) and brake valve lever (1) relatively fixed.

4. The novel bed guardrail opened by the knob as claimed in claim 3, wherein: connecting piece (2) include connecting piece body (22) be connected with thimble (6) and connecting seat (21) be connected with telescopic link, sliding setting is in horizontal pole (7) on connecting piece body (22), the activity sets up in brake valve lever (1) on connecting seat (21), and be provided with first elastic component (5) on horizontal pole (7), first elastic component (5) drive connecting piece body (22) support on connecting seat (21), when horizontal pole (7) and brake valve lever (1) are dismantled relatively, connecting seat (21) are stayed in brake valve lever (1), connecting piece body (22) are separated with brake valve lever (1) along with horizontal pole (7) together.

5. The novel bed guardrail opened by the application knob of claim 4, which is characterized in that: the connecting seat (21) is provided with a positioning hole (212), the connecting piece body (22) is provided with a positioning bulge (221) matched with the positioning hole (212), and when the connecting seat (21) drives the connecting piece body (22) to move, the positioning bulge (221) penetrates through the positioning hole (212).

6. The novel bed guardrail opened by the application knob of claim 5, which is characterized in that: the limiting groove (213) is formed in the connecting seat (21), the limiting rod (16) matched with the limiting groove (213) is arranged on the control handle (1), and the limiting rod (16) slides in the limiting groove (213) in the movement process of driving the connecting seat (21) by the knob (3).

7. The novel bed guardrail opened by the application knob as claimed in claim 5 or 6, wherein: be provided with mounting groove (23) on connecting piece (2), first elastic component (5) set up in mounting groove (23), and are provided with setting element (51) on horizontal pole (7), and first elastic component (5) drive connecting piece (2) support tightly on setting element (51) to make thimble (6) keep away from joint spare (4).

8. The novel bed guardrail opened by the knob as claimed in claim 7, wherein: knob (3) both sides all are provided with joint spare (4), and control handle (1) both sides are provided with thimble (6) of drive joint spare (4) motion respectively, and are provided with connecting piece (2) of being connected with two sets of thimbles (6) respectively in control handle (1), and two sets of connecting piece (2) extend to knob (3) both sides, and when knob (3) rotated, group groove (33) on knob (3) and the protruding (211) cooperation of stirring on two sets of connecting piece (2) to drive two sets of connecting piece (2) motions.

9. The novel bed guardrail opened by the application knob as claimed in claim 1, 2, 4, 5, 6 or 8, wherein: the connecting head (71) is arranged on the cross rod (7), the ejector pin (6) is arranged in the connecting head (71) in a sliding mode, the connecting head (71) is provided with a clamping hole (72) matched with the clamping piece (4), and when the lifting device is used, the clamping piece (4) is ejected out of the clamping hole (72) through the ejector pin (6), so that the cross rod (7) and the stand column (8) are unlocked.

10. The novel bed guardrail opened by the knob as claimed in claim 8, wherein: the clamping device is characterized in that a placement hole (82) is formed in the upright post (8), the clamping piece (4) is arranged in the placement hole (82) in a sliding mode, the reset spring (41) is arranged in the placement hole (82), the upright post (8) is provided with a limiting hole (83), the clamping piece (4) is provided with a limiting pin (42), and the reset spring (41) drives the limiting pin (42) to abut against the end portion of the limiting hole (83).

Images