CN208425789U - Adjustable light lifting bed - Google Patents

Abstract

An adjustable light lifting bed, a connecting rod opening and closing mechanism is respectively assembled on two opposite sides of a bed board and a bed seat, an upper movable rod of the connecting rod opening and closing mechanism is horizontally fixed on the bottom edge of the bed board, a lower fixed rod is fixed on the side edge of the bed seat, a front connecting rod and a rear connecting rod are pivoted between the upper movable rod and the lower fixed rod, the rear connecting rod is provided with a connecting plate, a plurality of support rods are arranged at intervals on the connecting plate, the upper end pivot of the pneumatic rod is pivoted with the upper movable rod upwards and backwards, the lower end of the pneumatic rod can be pivoted with one of the support rods selectively downwards and forwards, according to the weight of mattresses with various specifications, the lifting angle range of the bed board is adjusted and set, and the backward inclination angle and the output force moment of the air pressure rod after the lifting stroke are set, so that the mattress is more suitable for manual light-force operation, a user only needs to lift the bed board by light force in the whole course to be in a lifting state, and then the safety device supports the bed board to swing upwards to form lifting positioning; when the positioning piece of the safety device is set, the bed board is slowly descended and closed on the bed seat in the whole course by using the weight of the mattress.

Description

Adjustment type low force lifting type lifts bed

Technical field

The utility model lifts bed in relation to a kind of adjustment type low force lifting type, and espespecially one kind can cooperate mattress weight to be adjusted The lifting power output angle of air pressure rod is set, manpower low force operation bed board is up raised and what is be closed down lifts bed to be suitble to.

Background technique

It is to connect to prop up on one with 91 side each group of base in bed board 90 as shown in Figures 1 and 2 in the existing link mechanism for lifting bed Bar 93 and once fixed link 92, and short connecting rod 94 that be articulated with that the front is high and the back is low between the two skewed, long connecting rod 95, and upper rack posts Upper pivot 98, the lower pivot 99 that telescopic air pressure stick 96 is then connected between 93 and long connecting rod 95, utilize the related pivot of each rod piece Configuration and 90 weight of bed board, are covered on bed board 90 on base 91.

After user up to lift broaching machine 90 a trip of plate energetically, the motion bar 97 by air pressure rod 96 can be passed through Continue strength and push long connecting rod 95, makes upper rack posts 93, short connecting rod 94 and the automatic flare up of long connecting rod 95 is shown in FIG. 1 raises positioning State.

The existing link mechanism for lifting bed connects and composes biggish torque and power output using the upper pivot 98 of air pressure rod 96 backwards Angle, it is after 90s to start to raise bed board energetically in user, i.e., strength is continued by air pressure rod 96 and raises bed board 90 rapidly upward Positioning.Therefore when user, which will start to cover from top to bottom, closes bed board 90, then bed board 90 must be pulled, downward energetically first with enough After overcoming the lifting of air pressure rod 96 to position strength, make bed board 90 that gravity itself be cooperated to swing down rapidly, last user is then The decline strength and speed that bed board 90 must be buffered energetically, to avoid 90 strong impaction of bed board on base 91.It is lifted due to existing Bed, all must be manually to operate, therefore for general old when starting to raise, starting lid and close with last force buffering open-close energetically For weak women and children, must more expend greatly spirit and physical strength, it is fairly cumbersome with it is inconvenient, and bed board 90 is quickly being raised, is being closed It is easy to happen danger in the process.Therefore how to solve the above problems, as the industry correlation dealer wants the project studied Place.

Utility model content

The main purpose of the utility model is that lifting bed may be selected various pivot joint states, according to various specifications mattress Weight, and adjust setting bed board raises angular range, and backward tilt angle of the setting air pressure rod after raising stroke with Power output torque, and it is more suitable for the operation of manpower low force.

The secondary objective of the utility model is, cooperates torque and power output angle to be run using air pressure rod, user Need only whole low force lifting bed board can become state of raising, then with the locating piece setting upper support bar of safety device and lower support The extension elongation that bar is nested with each other raises positioning to be formed after supporting bed board to swing upwards；When the locating piece of safety device releases When setting, bed board can voluntarily swing decline using mattress weight, and by the decrease speed of air pressure rod buffering receiving bed board and again Power makes the whole slowly decline closed orientation of bed board on base.

In order to achieve the above object, the adjustment type low force lifting type of the utility model lifts bed in bed board and base two opposite sides each group Connect a connecting rod open-and-close mechanism, two connecting rod open-and-close mechanisms respectively include motion bar on one, once connect after fixed link, a front rod, one Bar and an air pressure rod, in which: motion bar level is fixed on the bottom edge of bed board on this, and the front end of upper motion bar is towards bed board and base Intersection direction；The lower fixed link is fixed on the side of base, and is located relatively at the lower section of motion bar；It is more than the front rod The opposite front end for being connected to motion bar, lower fixed link of pivot, lower pivot；The above hinged arm of the back link, lower hinged arm relative tilt Motion bar is connected to close to front end, lower fixed rod rear end, back link is equipped with a connecting plate, is separated by connecting plate equipped with first Bar, the second strut, and the second strut is located at the rear side of the first strut；The upper end pivoting of the air pressure rod is up articulated in backwards The middle section of motion bar, selection is articulated in the first strut of back link and forms the first connection shape forward down for the lower end of air pressure rod The selection of the lower end of state or air pressure rod is articulated in the second strut of back link and forms the second connection status, connects bed board first Angular range is raised when raising angular range greater than the second connection status when connecing state, and air pressure rod is in the first connection status Tilt angle backward after raising stroke raises the tilt angle backward after stroke less than the second connection status.

Adjustment type low force lifting type above-mentioned lifts bed, and wherein the connecting plate of the back link is separated by the rear side of the second strut Equipped with third strut, the lower end selection of air pressure rod is articulated in third strut and forms third connection status, makes bed board in the second connection Angular range is raised when raising angular range greater than third connection status when state, and air pressure rod is lifted in the second connection status Tilt angle backward after starting journey is less than third connection status and raises the tilt angle backward after stroke.

Adjustment type low force lifting type above-mentioned lifts bed, and wherein the connecting plate of the back link is separated by the rear side of third strut Equipped with the 4th strut, the lower end selection of air pressure rod is articulated in the 4th strut and forms the 4th connection status, connects bed board in third Angular range is raised when raising angular range greater than four connection status when state, and air pressure rod is lifted in third connection status Tilt angle backward after starting journey raises the tilt angle backward after stroke less than the 4th connection status.

Adjustment type low force lifting type above-mentioned lifts bed, and wherein the second half section two sides of the base are each provided with safety device, Putting on bed board has mattress；Safety device includes upper support bar, which, which slides axially, is placed on lower support bar, under Support rod lower end is articulated in base, and upper support bar upper end is articulated in bed board, and upper support bar and lower support bar are equipped with locating piece each other Controlled preselected protruding length；Air pressure rod has cylinder body and stretches out in the motion bar of cylinder body；When bed board cooperation mattress weight is pressed When on base, using the lifting force of air pressure rod, bed board is lifted and is become and raise state by user, then is determined with positioning device Position part setting upper support bar and the extension elongation that is nested with each other of lower support bar, with formed after supporting bed board to swing upwards raise it is fixed Position；When the locating piece of safety device releases setting, bed board can voluntarily swing decline using mattress weight, and by air pressure rod Buffering bears the decrease speed and gravity of bed board, makes the whole slowly decline closed orientation of bed board on base.

Adjustment type low force lifting type above-mentioned lifts bed, and wherein the locating piece is equipped with that an inserted link is controlled is inserted in upper support bar It is interior, to set the extension elongation that upper support bar and lower support bar are nested with each other.

Adjustment type low force lifting type above-mentioned lifts bed, and wherein the lower section outer radial of the upper support bar, which communicates to be provided with, connects Seat, the locating piece have interlocking in the positioning region of joint chair, and drive inserted link via the operation portion axially retreated in positioning region.

Adjustment type low force lifting type above-mentioned lifts bed, and wherein the rear end of the bed board is provided with handle, and handle is equipped with normality Pull rod directed downwardly is swung, the rear end of the base is separated by above pull rod is correspondingly provided with hook.

Detailed description of the invention

Fig. 1 is the existing cross-sectional view for lifting bed and raising positioning；

Fig. 2 is the existing cross-sectional view for lifting a closed orientation；

Fig. 3 is the perspective view that the utility model embodiment low force lifting type lifts bed；

Fig. 4 is the cross-sectional view that Fig. 3 lifts a closed orientation；

Fig. 5 is that Fig. 3 lifts the cross-sectional view that bed raises positioning；

Fig. 6 is the perspective view of Fig. 4 connecting rod open-and-close mechanism and safety device；

Fig. 7 is the stereo amplification figure of Fig. 6 link component；

Fig. 8 is the stereogram exploded view of Fig. 6 safety device；

Fig. 9 is the perspective view that Fig. 8 locating piece stretches out inserted link positioning；

Figure 10 is the perspective view that Fig. 8 locating piece withdraws inserted link positioning；

Figure 11 lifts bed for the utility model embodiment and carries out raising action diagram (one)；

Figure 12 lifts bed for the utility model embodiment and carries out raising action diagram (two)；

Figure 13 is that the utility model embodiment lifts bed progress closed action figure (one)；

Figure 14 is that the utility model embodiment lifts bed progress closed action figure (two)；

Figure 15 is that the utility model embodiment lifts bed progress closed action figure (three)；

Figure 16 is that the utility model embodiment lifts bed progress closed action figure (four)；

Figure 17 lifts bed for the utility model embodiment and raises action diagram in the second connection status；

Figure 18 lifts bed for the utility model embodiment and raises action diagram in third connection status；

Figure 19 lifts bed for another embodiment of the utility model and raises action diagram in the first connection status；

Figure 20 lifts bed for another embodiment of the utility model and raises action diagram in the 4th connection status.

Description of symbols:

1, bed is lifted

11, base

12, bed board

13, mattress

14, handle

15, pull rod

16, hook

2, upper motion bar

3, lower fixed link

4, front rod

41, upper pivot

42, lower pivot

5, back link

51, upper hinged arm

52, lower hinged arm

53, connecting plate

54, the first strut

55, the second strut

56, third strut

57, the 4th strut

58, bundle

6, air pressure rod

61, upper end pivoting

62, motion bar

63, lower end

7, safety device

71, upper support bar

711, upper end

712, lower end

713, through-hole

714, shaft member

715, joint chair

72, lower support bar

721, upper end

722, lower end

723, through-hole

724, shaft member

73, locating piece

731, inserted link

732, positioning region

733, operation portion

A1, angular range is raised

A2, backward tilt angle

90, bed board

91, base

92, lower fixed link

93, upper rack posts

94, short connecting rod

95, long connecting rod

96, air pressure rod

97, motion bar

98, upper pivot

99, lower pivot.

Specific embodiment

To reach above-mentioned purpose, used technological means and its effect hereby enumerate feasible implementation to related the utility model Example, and cooperate Detailed description of the invention as follows:

Firstly, Fig. 3 to Figure 10 is please referred to, it can be clearly seen from the figure that, the utility model adjustment type low force manipulation type lifts bed 1 Equally there is base 11, bed board 12 and mattress 13, base 11 and 12 two opposite sides each group of bed board connect a connecting rod open-and-close mechanism and One safety device 7, two connecting rod open-and-close mechanisms respectively include motion bar 2 on one, once fixed link 3, a front rod 4, a back link 5 An and air pressure rod 6；Wherein:

2 front-rear direction level of motion bar is fixed on the bottom edge of bed board 12 on this, the front end of upper motion bar 2 towards base 11 with The intersection direction of bed board 12.

Lower 3 front-rear direction of fixed link is fixed on the side and its lower section for being located relatively at motion bar 2 of base 11.

The opposite front end for being connected to motion bar 2, lower fixed link 3 of 4 or more the pivot 41 of front rod, lower pivot 42.

5 or more the hinged arm 51 of back link, 52 relative tilt of lower hinged arm are connected to motion bar 2 close to front end, lower fixed link 3 Rear end, back link 5 are equipped with a connecting plate 53, are separated by connecting plate 53 equipped with the first strut 54, the second strut 55, the second strut 55 Positioned at the rear side of the first strut 54, and connecting plate 53 is separated by the rear side of the second strut 55 equipped with third strut 56, and The rear side of third strut 56 is separated by equipped with the 4th strut 57 (9 and Figure 20 refering to fig. 1).

6 or more the end pivoting 61 of air pressure rod is up connected to the middle section of motion bar 2, the motion bar 62 of air pressure rod 6 backwards It is stretched out downward using air pressure, the first strut 54 for being articulated in back link 5 may be selected in lower end 63 forward down, and cooperates bundle 58 It positions (refering to Fig. 6), and the lower end 63 for forming the first connection status or air pressure rod 6 selects the second strut for being articulated in back link 5 55 and the selection of lower end 63 that forms the second connection status or air pressure rod 6 is articulated in third strut 56 and forms third connection status, Or the selection of lower end 63 of air pressure rod 6 is articulated in the 4th strut 57 and forms the 4th connection status.

The safety device 7 is two groups and is symmetrical set in the second half section of base 11 comprising has upper support bar 71 Lower end 712, which slides axially, is placed on the upper end 721 (refering to Fig. 8) of lower support bar 72, and the lower end 722 of lower support bar 72 is equipped with through-hole 723, to be articulated in the shaft member 724 of base 11, the upper end 711 of upper support bar 71 is equipped with through-hole 713, to be articulated in the axis of bed board 12 On part 714, upper support bar 71 and lower support bar 72 are equipped with the controlled preselected protruding length of locating piece 73 each other, for corresponding to bed board 12 to turn over lift positioning raise state.The lower section outer radial of upper support bar 71, which communicates, is provided with joint chair 715, and locating piece 73 With interlocking in the positioning region of joint chair 715 732, and drive inserted link 731 via the operation portion axially retreated in positioning region 732 733, make inserted link 731 is controlled to be inserted in upper support bar 71, to keep off the upper end 721 (refering to Fig. 5) for being formed on lower support bar 72, and sets Determine the extension elongation that upper support bar 71 and lower support bar 72 are nested with each other.

The bed board 12 for lifting bed 1 cooperates 13 weight of mattress, and normality is pressed on down on base 11.The utility model lifts bed The lower end 63 of air pressure rod 6 in assembling, can be articulated in forward the first of back link 5 according to lighter 13 weight of mattress by 1 down Strut 54 and form the first connection status, or the lower end 63 of air pressure rod 6 is selected to the second strut 55 for being articulated in back link 5 (refering to fig. 1 7), and the second connection status is formed to lift the mattress 13 of normal weight, make bed board 12 in the first connection status (refering to Fig. 5) when raising angular range A1 greater than the second connection status (refering to fig. 1 7) raise angular range A1, and air pressure Past hypsokinesis of the stick 6 after the A2 of tilt angle backward after the first connection status raises stroke raises stroke less than the second connection status Rake angle A2.Furthermore the lower end 63 of air pressure rod 6 may be selected to be articulated in third strut 56 (refering to fig. 1 8), and form third connection State is greater than the angular range A1 that raises of (refering to fig. 1 7) in the second connection status of bed board 12 to lift heavier mattress 13 (refering to fig. 1 8) raise angular range A1 when third connection status, and air pressure rod 6 is after the second connection status raises stroke Tilt angle A2 is less than third connection status and raises the tilt angle A2 backward after stroke backward, or by the lower end of air pressure rod 6 63 selections are articulated in the 4th strut 57 (refering to Figure 20), and form the 4th connection status to lift the mattress 13 of more weight, make bed board 12 raise angular range A1, and air pressure rod when raising angular range A1 greater than four connection status in third connection status The 6 past rear-inclined after the A2 of tilt angle backward after third connection status raises stroke raises stroke less than the 4th connection status Angle A 2.

When user will up open the bed board 12 for lifting bed 1, as shown in FIG. 11 and 12, user must first swing beat Pull rod 15 is opened to be detached from hook 16, and low force is displaced upward, i.e., contributes using air pressure rod 6 is opposite, make user whole Low force, which is lifted to lift upward, moves bed board 12 and mattress 13, and upper support bar 71 and the mutual sleeve position of lower support bar 72 gradually at For extended state, when air pressure rod 6 is in lifting process, user must cooperate whole low force to be lifted bed board 12 upward, to prevent Bed board 12 and mattress 13 because gravity be greater than air pressure rod 6 lifting force due to land down, so that bed board 12 is lifted completion and is raised state to turning over, Concurrently, the operation portion 733 of locating piece 73 drives inserted link 731 by being inserted in upper support bar 71 inwardly outside using elastic force, with Gear is formed on the upper end 721 of lower support bar 72, and collectively forms the stretching state positioning of security settings, makes upper support bar 71 and lower branch Strut 72 becomes longest extension elongation, raises positioning to be formed after supporting bed board 12 to swing upwards, and reaches safe effect.

When user will re-close the bed board 12 for lifting bed 1, the operation portion 733 of locating piece 73 need only be reversely twisted Setting is released, (0 and Figure 13 to Figure 16) refering to fig. 1, then bed board 12 utilizes mattress to drive inserted link 731 to exit upper support bar 71 13 weight can voluntarily swing decline, and the decrease speed and gravity for bearing bed board 12 and mattress 13 are buffered by air pressure rod 6, make bed The whole slowly decline of plate 12 is close to base 11, and the pull rod 15 of bed board 12 is resisted against on the hook 16 of base 11, and because of gravity And arrange (refering to fig. 1 6) outwardly, then elastic force buckles into the lower section of hook 16 (refering to Fig. 3 and Fig. 4) to pull rod 15 again, make bed board 12 and The downward closed orientation of mattress 13 is raised to avoid bed board 12 because of any unexpected stress, and upper support bar 71 on base 11 It is each other sleeve retracted state with lower support bar 72.

Embodiment provided above only uses the utility model for convenience of description, and is not in a limitative way, practical not departing from Novel scope, the various simple variations and modification that those skilled in the art can make, should include and want in right It asks in the range of book.

Claims (7)

1. a kind of adjustment type low force lifting type lifts bed, which is characterized in that connect a connecting rod with base two opposite sides each group in bed board and open Mechanism is closed, two connecting rod open-and-close mechanisms respectively include motion bar on one, once fixed link, a front rod, a back link and an air pressure Stick, in which:

Motion bar level is fixed on the bottom edge of bed board on this, and the front end of upper motion bar is towards the intersection direction of bed board and base；

The lower fixed link is fixed on the side of base, and is located relatively at the lower section of motion bar；

The opposite front end for being connected to motion bar, lower fixed link of the above pivot of the front rod, lower pivot；

The above hinged arm of the back link, lower hinged arm relative tilt are connected to motion bar close to front end, lower fixed rod rear end, back link Equipped with a connecting plate, be separated by connecting plate equipped with the first strut, the second strut, and the second strut be located at the first strut it is rear under Side；

The upper end pivoting of the air pressure rod is up articulated in the middle section of motion bar backwards, and the lower end of air pressure rod selects pivot forward down The lower end for being connected to the first strut of back link and forming the first connection status or air pressure rod selects second that is articulated in back link Bar and form the second connection status, make bed board in the first connection status when raising angular range greater than the second connection status Angular range is raised, and backward tilt angle of the air pressure rod after the first connection status raises stroke is lifted less than the second connection status Tilt angle backward after starting journey.

2. adjustment type low force lifting type according to claim 1 lifts bed, which is characterized in that the connecting plate of the back link is The rear side of two struts is separated by equipped with third strut, and the lower end selection of air pressure rod is articulated in third strut and forms third connection shape State makes bed board raise angular range, and gas when raising angular range greater than third connection status in the second connection status Pressure bar is less than the past hypsokinesis after third connection status raises stroke in the tilt angle backward after the second connection status raises stroke Rake angle.

3. adjustment type low force lifting type according to claim 2 lifts bed, which is characterized in that the connecting plate of the back link is The rear side of three struts is separated by equipped with the 4th strut, and the lower end selection of air pressure rod is articulated in the 4th strut and forms the 4th connection shape State makes bed board raise angular range, and gas when raising angular range greater than four connection status in third connection status Past hypsokinesis of the pressure bar after the tilt angle backward after third connection status raises stroke raises stroke less than the 4th connection status Rake angle.

4. adjustment type low force lifting type according to any one of claim 1 to 3 lifts bed, which is characterized in that the base Second half section two sides are each provided with safety device, and putting on bed board has mattress；Safety device includes upper support bar, support on this Bar, which slides axially, to be placed on lower support bar, and lower support bar lower end is articulated in base, and upper support bar upper end is articulated in bed board, upper branch Strut and lower support bar are equipped with the controlled preselected protruding length of locating piece each other；Air pressure rod has cylinder body and stretches out in the activity of cylinder body Bar；When bed board cooperates mattress weight and is pressed on base, using the lifting force of air pressure rod, bed board is lifted by user For the state of raising, then the extension elongation being nested with each other with the locating piece setting upper support bar and lower support bar of positioning device, with branch Straightener plate forms after swinging upwards and raises positioning；When the locating piece of safety device releases setting, bed board is using mattress weight Decline can be voluntarily swung, and buffers the decrease speed and gravity for bearing bed board by air pressure rod, closes the whole slowly decline of bed board Conjunction is positioned on base.

5. adjustment type low force lifting type according to claim 4 lifts bed, which is characterized in that the locating piece be equipped with an inserted link by Control is inserted in upper support bar, to set the extension elongation that upper support bar and lower support bar are nested with each other.

6. adjustment type low force lifting type according to claim 4 lifts bed, which is characterized in that on the outside of the lower section of the upper support bar Radial direction, which communicates, is provided with joint chair, which has interlocking in the positioning region of joint chair, and drives inserted link via positioning region inner shaft To the operation portion of advance and retreat.

7. adjustment type low force lifting type according to claim 4 lifts bed, which is characterized in that the rear end of the bed board, which is provided with, holds , and handle is equipped with normality and swings pull rod directed downwardly, the rear end of the base is separated by above pull rod is correspondingly provided with hook.