CN208355049U - A kind of Height-adjustable - Google Patents

Abstract

The utility model discloses a kind of Height-adjustable, and bed body is connect by bed body connector with lifting knife assembly, and motor drives rotation gear to rotate by machine shaft；Upper roller is mounted on the upper end of lifting knife, and bottom roller is mounted on the lower end of lifting knife；First idler wheel and the second idler wheel are one in front and one in back mounted on the upper end of lifting knife；The lower end of lifting knife is provided with bearing hole, and the connecting pin of lifting knife and rigid chain shares bearing hole, and shaft is installed by bearing hole in the connecting pin of lifting knife and rigid chain, and the connecting pin of rigid chain passes through bearing hole and shaft installation idler wheel；Cylinder is hollow cylinder, and intermediate mass is arranged in cylinder, and the front of cylinder is arranged in fromer rail, and the rear portion of cylinder is arranged in rear rail；The U-shaped bottom of rigid chain is engaged with the rotation gear of electric machine assembly, and the rotation for rotating gear drives rigid chain to support lifting knife and rises or falls.Compared with prior art, the Height-adjustable of the utility model, structure is simple, can support the weight of bed body, and easy for installation, goes up and down smooth.

Description

A kind of Height-adjustable

Technical field

The utility model relates to field of furniture more particularly to a kind of Height-adjustables.

Background technique

Furniture refers to that the mankind maintain normal life, are engaged in production practices and carry out the essential a kind of device of social activities Tool.Furniture also follows the step in epoch to continue to develop innovation, and of a great variety by now, materials are different, great variety of goods, and purposes is not One, it is one of indispensable part of family life.

Furniture is made of material, structure, appearance forrns and function four factors, and wherein function is guide, is to push house Has the power of development, structure is trunk, is the basis for realizing function.These four factors interknit, and condition each other.Due to family Tool is to meet the certain material requisite of people and the design and fabrication using purpose, therefore furniture also has material and outer Factor in terms of sight form.

Modern house life, which is particular about, saves life and saves space, therefore the concept of Height-adjustable occurs.Height-adjustable makes Be under state in landing state, Height-adjustable without using state be in raised configuration, can thus make full use of because The space occupied for bed.

Currently, the lifting structure of existing Height-adjustable is complicated, design is unreasonable, and installation is inconvenient, is not enough to support the weight of bed body Amount, there are some potential safety problemss.

Utility model content

In order to overcome the deficiencies in the prior art described above, the utility model provides a kind of Height-adjustable, and structure is simple, Neng Gouzhi The weight of straightener body, and it is easy for installation, it goes up and down smooth.

The Height-adjustable of the utility model, including bed body, electric machine assembly, lifting knife assembly, lifting column and rigid chain, it is described Bed body is connect by bed body connector with the lifting knife assembly, in which:

The electric machine assembly includes that motor, machine shaft and rotation gear, the motor are driven by the machine shaft The rotation gear rotation；

The lifting knife assembly includes lifting knife, upper roller, bottom roller and limited roller, and the upper roller is mounted on described The upper end of lifting knife, the bottom roller are mounted on the lower end of the lifting knife；The upper roller includes the first idler wheel and the second rolling Wheel, first idler wheel and second idler wheel are one in front and one in back mounted on the upper end of the lifting knife；The lower end of the lifting knife It is provided with bearing hole, the connecting pin of the lifting knife and rigid chain shares the bearing hole, the lifting knife and the rigid chain Connecting pin by the bearing hole install shaft, the connecting pin of the rigid chain by the bearing hole and the shaft peace Fill idler wheel；

The lifting column includes cylinder, intermediate mass, fromer rail and rear rail, and the cylinder is hollow cylinder, it is described in Between block be arranged in the cylinder, the fromer rail is arranged in the front of the cylinder, and the rear rail is arranged in the cylinder Rear portion, the fromer rail and the intermediate mass form front wheel slideway, and the rear rail and the intermediate mass form rear roller Slideway；

The rigid chain is wound in the front wheel slideway and rear roller slideway of the lifting column with U-shaped structure, described rigid Property chain U-shaped bottom engaged with the rotation gear of the electric machine assembly, the rotation of the rotation gear drives the rigid chain branch The lifting knife is supportted to rise or fall.

Preferably, first idler wheel and second idler wheel are mounted in the same level of the lifting knife upper end.

Preferably, first idler wheel and the bottom roller are mounted on the same vertical plane of the lifting knife.

Preferably, the idler wheel of the connecting pin of second idler wheel and the rigid chain is in the same vertical plane.

Preferably, the lifting knife assembly further includes limited roller, and the limited roller is mounted on the side of the lifting knife Face, the limited roller protrude from the side of the lifting knife.

Preferably, the limited roller includes upper and lower two groups, is separately mounted to the side of left and right two of the lifting knife Upper and lower part.

Preferably, the side of the lifting knife is provided with empty slot, and the limited roller is placed in the empty slot and passes through Screw is fixed on the lifting knife.

Preferably, the back side setting of the lifting knife is fluted, and the bed body connector is placed on the recessed of the lifting knife In slot, the lifting knife and the bed body connector pass through screw fitting.

Preferably, the rigid chain is made of multiple rigid chain elements, and the rigidity chain element includes shaft, idler wheel and branch Blade, the support chip are first socketed in the both ends of the shaft, and the idler wheel is socketed in the both ends of the shaft again.

Preferably, the support chip is provided with chamfering in the side of rotation.

Height-adjustable provided by the utility model, including bed body, electric machine assembly, lifting knife assembly, lifting column and rigid chain, Bed body by bed body connector with lifting knife assembly connect, in which: electric machine assembly include motor, machine shaft and rotate gear, Motor drives rotation gear rotation by machine shaft；Lifting knife assembly includes lifting knife, upper roller, bottom roller and limit rolling Wheel, upper roller are mounted on the upper end of lifting knife, and bottom roller is mounted on the lower end of lifting knife；Upper roller includes the first idler wheel and second Idler wheel, the first idler wheel and the second idler wheel are one in front and one in back mounted on the upper end of lifting knife；The lower end of lifting knife is provided with bearing hole, rises The connecting pin of the shared bearing hole in the connecting pin of drop knife and rigid chain, lifting knife and rigid chain passes through bearing hole and installs shaft, rigidity The connecting pin of chain idler wheel is installed by bearing hole and shaft；Lifting column includes cylinder, intermediate mass, fromer rail and rear rail, Cylinder is hollow cylinder, and intermediate mass is arranged in cylinder, and the front of cylinder is arranged in fromer rail, after cylinder is arranged in rear rail Portion, fromer rail and intermediate mass form front wheel slideway, and rear rail and intermediate mass form rear roller slideway；Rigid chain is with U-shaped structure It is wound in the front wheel slideway and rear roller slideway of lifting column, the U-shaped bottom of rigid chain and the rotation gear of electric machine assembly are nibbled It closes, the rotation for rotating gear drives rigid chain to support lifting knife and rises or falls.

Electric machine assembly includes motor, machine shaft and rotation gear, and motor drives rotation gear to rotate by machine shaft, It is engaged with the rotation gear of electric machine assembly the U-shaped bottom of rigid chain.Bed body is mounted on lifting knife by bed body connector, simultaneously Lifting knife and rigid chain link, to drive rigid chain to rise or fall, rigid chain supports lifting knife to rise in turn for motor rotation Or decline, so that bed body rises or falls.The upper roller and bottom roller of lifting knife guarantee that lifting knife rolls in lifting column Dynamic is smooth, and also idler wheel, movement of the rigid chain in lifting column are also to roll smoothly to each unit of rigid chain.With it is existing Technology is compared, and the Height-adjustable of the utility model, structure is simple, can support the weight of bed body, and easy for installation, is gone up and down suitable It is sliding.

As can be seen from the above technical solutions, it is enough to have the advantage that motor has for the Height-adjustable of the utility model Power drives rigid chain to rise or fall, and there is rigid chain enough intensity can support lifting knife, and go up and down setting for knife assembly Meter structure has well solved its stabilization for keeping vertical direction to move up and down in lifting column, and lifting knife is matched equipped with upper rolling Wheel and bottom roller, ensure that scroll up and down it is smooth.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model, attached drawing needed in description will be made below Simply introduce, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for this field For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the overall structure diagram of Height-adjustable in the utility model embodiment；

Fig. 2 is the schematic diagram of the main structure of Height-adjustable in the utility model embodiment；

Fig. 3 is the attachment structure schematic diagram of the electric machine assembly, rigid chain of Height-adjustable and lifting knife assembly in Fig. 2；

Fig. 4 is the attachment structure schematic diagram of the lifting knife assembly and rigid chain of Height-adjustable in Fig. 3；

Fig. 5 is the side view attachment structure schematic diagram of the lifting knife assembly and rigid chain of the Height-adjustable of Fig. 4；

Fig. 6 is that the lifting knife assembly of Height-adjustable and the connection structure of bed body connector are illustrated in the utility model embodiment Figure；

Fig. 7 is the structural schematic diagram of the lifting knife assembly of Height-adjustable in Fig. 6；

Fig. 8 is the side structure schematic view of the lifting knife assembly of Height-adjustable in Fig. 6；

Fig. 9 is that lifting knife assembly, bed body connector, the rigid chain of Height-adjustable in Fig. 2 are mounted on the section knot of lifting column Structure schematic diagram；

Figure 10 is that the rigid chain of Height-adjustable in Fig. 2 is mounted on the cross section structure schematic diagram of lifting column；

Figure 11 is the cross section structure schematic diagram of the lifting column of Height-adjustable；

Figure 12 is the structural schematic diagram of the rigid chain element of rigid chain.

Specific embodiment

It, below will fortune to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable With specific examples and drawings, the technical solution of the utility model protection is clearly and completely described, it is clear that below The described embodiments are only a part of the embodiments of the utility model, and not all embodiment.Based on the reality in this patent Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to In the range of this patent protection.

- Figure 11 referring to Figure 1, Fig. 1 are the overall structure diagram of Height-adjustable in the utility model embodiment；Fig. 2 is this The schematic diagram of the main structure of Height-adjustable in utility model embodiment；Fig. 3 be the electric machine assembly of Height-adjustable in Fig. 2, rigid chain and Go up and down the attachment structure schematic diagram of knife assembly；Fig. 4 is the connection structure signal of the lifting knife assembly and rigid chain of Height-adjustable in Fig. 3 Figure；Fig. 5 is the side view attachment structure schematic diagram of the lifting knife assembly and rigid chain of the Height-adjustable of Fig. 4；Fig. 6 is that the utility model is real Apply the attachment structure schematic diagram of the lifting knife assembly and bed body connector of Height-adjustable in example；Fig. 7 is the lifting knife of Height-adjustable in Fig. 6 The structural schematic diagram of component；Fig. 8 is the side structure schematic view of the lifting knife assembly of Height-adjustable in Fig. 6；Fig. 9 is to go up and down in Fig. 2 Lifting knife assembly, bed body connector, the rigid chain of bed are mounted on the cross section structure schematic diagram of lifting column；Figure 10 is to rise in Fig. 2 The rigid chain of drop bed is mounted on the cross section structure schematic diagram of lifting column；Figure 11 is that the cross section structure of the lifting column of Height-adjustable shows It is intended to；Figure 12 is the structural schematic diagram of the rigid chain element of rigid chain.

The present embodiment provides a kind of Height-adjustables, including bed body 1, electric machine assembly, lifting knife assembly, lifting column and rigid chain 5, bed body 1 is connect by bed body connector 2 with lifting knife assembly, in which:

Electric machine assembly includes that motor 4, machine shaft 41 and rotation gear 42, motor 4 drive rotation by machine shaft 41 Gear 42 rotates；

Going up and down knife assembly includes lifting knife 6, upper roller 7 and bottom roller 8, and upper roller 7 is mounted on the upper end of lifting knife 6, under Idler wheel 8 is mounted on the lower end of lifting knife 6；Upper roller 7 includes the first idler wheel 71 and the second idler wheel 72, and the first idler wheel 71 and second rolls Wheel 72 is one in front and one in back mounted on the upper end of lifting knife 6；The lower end of lifting knife 6 is provided with bearing hole 10, lifting knife 6 and rigid chain 5 Connecting pin share bearing hole 10, shaft, the company of rigid chain 5 are installed by bearing hole 10 in the connecting pin of lifting knife 6 and rigid chain 5 Connect end installs idler wheel by bearing hole 10 and shaft；

Lifting column 3 includes cylinder 31, intermediate mass 32, fromer rail 33 and rear rail 34, and cylinder 31 is hollow cylinder, intermediate Block 32 is arranged in cylinder 31, and the front of cylinder 31 is arranged in fromer rail 33, and the rear portion of cylinder 31 is arranged in rear rail 34, leading Rail 33 and intermediate mass 32 form front wheel slideway 35, and rear rail 34 and intermediate mass 32 form rear roller slideway 36；

Rigid chain 5 is wound in the front wheel slideway 35 and rear roller slideway 36 of the lifting column 3 of Height-adjustable with U-shaped structure, The U-shaped bottom of rigid chain 5 is engaged with the rotation gear 42 of electric machine assembly, and the rotation of rotation gear 42 drives rigid chain 5 to support Lifting knife 6 rises or falls.

Rigid chain 5 is made of multiple rigid chain elements, and rigid chain element includes shaft 51, idler wheel 53 and support chip 52, branch Blade 52 is first socketed in the both ends of shaft 51, and idler wheel 53 is socketed in the both ends of shaft 51 again；Support chip 52 is set in the side of rotation It is equipped with chamfering.

First idler wheel 71 and the second idler wheel 72 are mounted in the same level of 6 upper end of lifting knife, can allow the first idler wheel 71 and second idler wheel 72 can relatively uniform stress, share the gravity of bed body jointly, reduce noise.First idler wheel 71 and bottom roller 8 are mounted on the same vertical plane of lifting knife 6, the first idler wheel 71 and bottom roller 8 can relatively uniform stress, share bed body jointly Gravity, reduce noise.The idler wheel of second idler wheel 72 and the connecting pin of rigid chain 5 in the same vertical plane, the second idler wheel 72 with The idler wheel of the connecting pin of rigid chain can relatively uniform stress, share the gravity of bed body jointly, reduce noise.

Limited roller 9 is mounted on the side of lifting knife 6, and limited roller 9 protrudes from the side of lifting knife 6；Limited roller 9 wraps Two groups up and down are included, the upper and lower part of two sides in left and right of lifting knife 6 is separately mounted to.The side setting of lifting knife 6 is free Slot, limited roller 9 are placed in empty slot and are fixed by screws on lifting knife 6.Limited roller 9 limits lifting knife in side 6 and hard friction is prevented, so that lifting knife 6 will not be swung left and right, upper roller 7, bottom roller 8 and limited roller 9 guarantee to go up and down simultaneously Knife rolls smooth in lifting column

The back side setting fluted 11 of lifting knife 6, bed body connector 2 is placed in the groove 11 of lifting knife 6, lifting knife 6 Pass through screw fitting with bed body connector 2.Bed body connector 2 is connect with bed body 1.

Second idler wheel 72 and the idler wheel of the connecting pin of rigid chain 5 are rolled in front wheel slideway 35.The conduct of fromer rail 35 itself It can be rolled with a track for idler wheel, the first idler wheel 71 rolls on fromer rail 35 with bottom roller 8.Rigid chain 5 not with lifting knife 6 One end of connection rolls in rear roller slideway 36.

Intermediate mass 32 is wear resistant nylon block, and wear resistant nylon block tool has good wearability.Since what intermediate mass 32 was subject to rubs It is bigger to wipe power, in order to guarantee safety and service life, it is necessary to reinforce the wear-resisting property of intermediate mass 32.

Cylinder 31 is bolted by two blocks of steel plates to be assembled, and intermediate mass 32 is bolted in cylinder 31, Guarantee the secured and safe of lifting column 3.

Motor 4 drives rotation gear 42 to rotate by machine shaft 41.Rigid chain 5 is wound on lifting column 3 with U-shaped structure Interior, one end that rigid chain 5 is connect with lifting knife 6 is rolled in the front wheel slideway 35 of lifting column 3, and 5 other end of rigid chain is rising The rear roller slideway 36 for dropping column 3 rolls.The U-shaped bottom of rigid chain 5 is engaged with the rotation gear 42 of electric machine assembly, rotates gear 42 rotation drives rigid chain 5 to support lifting knife 6 and rises or falls.Rigid chain 5 is made of multiple rigid chain elements, Mei Gegang Property chain element has idler wheel 53, can lifting column 3 front wheel slideway 35 and rear roller slideway 36 is smooth rises or falls, Friction and noise can be reduced.

The working principle of the Height-adjustable of the utility model is as follows:

Motor 4 drives rotation gear 42 to rotate by machine shaft 41, the U-shaped bottom of rigid chain 5 and the rotation of electric machine assembly Rotating disk 42 engages.Bed body 1 is mounted on lifting knife 6 by bed body connector 2, while lifting knife 6 is connect with rigid chain 5, electricity The rotation of machine 4 is to drive rigid chain 5 to rise or fall, and rigid chain 5 supports lifting knife 6 to rise or fall in turn, so that bed Body 1 rises or falls.It is smooth that the upper roller 7 and bottom roller 8 of lifting knife 6 guarantee that lifting knife rolls in lifting column 3, limit Idler wheel 9 limits lifting knife 6 in side and prevents hard friction, and also idler wheel 53, rigid chain 5 are being gone up and down each unit of rigid chain 5 Movement in column 3 is also to roll smoothly.Compared with prior art, the Height-adjustable of the utility model, structure is simple, Neng Gouzhi The weight of straightener body, and it is easy for installation, it goes up and down smooth.

As can be seen from the above technical solutions, it is enough to have the advantage that motor 4 has for the Height-adjustable of the utility model Power drive rigid chain 5 to rise or fall, there is rigid chain 5 enough intensity can support lifting knife 6, and go up and down knife assembly Design structure well solved its stabilization for keeping vertical direction to move up and down in lifting column 3, and lifting knife is matched There are upper roller 7, bottom roller 8 and limited roller 9, while moving up and down of guaranteeing that lifting knife 6 rolls in lifting column 3 is suitable Freely.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (10)

1. a kind of Height-adjustable, which is characterized in that including bed body, electric machine assembly, lifting knife assembly, lifting column and rigid chain, institute Bed body is stated to connect by bed body connector with the lifting knife assembly, in which:

The electric machine assembly includes motor, machine shaft and rotation gear, and the motor passes through described in machine shaft drive Rotate gear rotation；

The lifting knife assembly includes lifting knife, upper roller, bottom roller and limited roller, and the upper roller is mounted on the lifting The upper end of knife, the bottom roller are mounted on the lower end of the lifting knife；The upper roller includes the first idler wheel and the second idler wheel, institute It states the first idler wheel and second idler wheel is one in front and one in back mounted on the upper end of the lifting knife；The lower end of the lifting knife is provided with The connecting pin of bearing hole, the lifting knife and rigid chain shares the bearing hole, the connection of the lifting knife and the rigid chain Shaft is installed by the bearing hole in end, and the connecting pin of the rigid chain passes through the bearing hole and shaft installation rolling Wheel；

The lifting column includes cylinder, intermediate mass, fromer rail and rear rail, and the cylinder is hollow cylinder, the intermediate mass It is arranged in the cylinder, the front of the cylinder is arranged in the fromer rail, after the cylinder is arranged in the rear rail Portion, the fromer rail and the intermediate mass form front wheel slideway, and the rear rail and the intermediate mass form rear roller slideway；

The rigid chain is wound in the front wheel slideway and rear roller slideway of the lifting column with U-shaped structure, the rigid chain U-shaped bottom engaged with the rotation gear of the electric machine assembly, the rotation of the rotation gear drives the rigid chain to support The lifting knife rises or falls.

2. Height-adjustable according to claim 1, which is characterized in that first idler wheel and second idler wheel are mounted on institute In the same level for stating lifting knife upper end.

3. Height-adjustable according to claim 1, which is characterized in that first idler wheel is mounted on described with the bottom roller On the same vertical plane of lifting knife.

4. Height-adjustable according to claim 1, which is characterized in that the connecting pin of second idler wheel and the rigid chain Idler wheel is in the same vertical plane.

5. Height-adjustable according to claim 1, which is characterized in that the lifting knife assembly further includes limited roller, described Limited roller is mounted on the side of the lifting knife, and the limited roller protrudes from the side of the lifting knife.

6. Height-adjustable according to claim 5, which is characterized in that the limited roller includes upper and lower two groups, is installed respectively In the upper and lower part of two sides in the left and right of the lifting knife.

7. Height-adjustable according to claim 5, which is characterized in that the side of the lifting knife is provided with empty slot, the limit Position idler wheel is placed in the empty slot and is fixed by screws on the lifting knife.

8. Height-adjustable according to claim 1, which is characterized in that fluted, the bed is arranged in the back side of the lifting knife Body connector is placed in the groove of the lifting knife, and the lifting knife and the bed body connector pass through screw fitting.

9. Height-adjustable according to claim 1, which is characterized in that the rigid chain is made of multiple rigid chain elements, institute Stating rigid chain element includes shaft, idler wheel and support chip, and the support chip is first socketed in the both ends of the shaft, and the idler wheel is again It is socketed in the both ends of the shaft.

10. Height-adjustable according to claim 9, which is characterized in that the support chip is provided with chamfering in the side of rotation.