CN206434089U - Bedstead and adjustable bed - Google Patents
Bedstead and adjustable bed Download PDFInfo
- Publication number
- CN206434089U CN206434089U CN201621264716.3U CN201621264716U CN206434089U CN 206434089 U CN206434089 U CN 206434089U CN 201621264716 U CN201621264716 U CN 201621264716U CN 206434089 U CN206434089 U CN 206434089U
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- plate
- bedstead
- cylinder
- underframe
- control valve
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- Invalid Beds And Related Equipment (AREA)
Abstract
A kind of bedstead, including underframe, bed board and bedstead control valve on the underframe, the bed board includes the first plate being hinged successively along its length, second plate, 3rd plate and the 4th plate, the one end of first plate away from second plate is connected with the underframe by first axle, the first plate lower surface, which is provided with, to be used to drive the first cylinder that it rotates around the first axle, the 3rd plate lower surface is fixed on the underframe, it can realize and move along a straight line along the length direction of the bed board, the described one end of 4th plate away from the 3rd plate is unconstrained free end, the 4th plate lower surface is provided with the second cylinder for being used for driving it to rotate, the bedstead control valve is used to control first cylinder, the gas circuit of second cylinder is opened and closed and flow；It is a kind of adjustable bed, including the bedstead, mattress and control unit.The utility model provide a kind of movable bedstead with it is adjustable bed.
Description
Technical field
The utility model belongs to bed accessory technical field, specifically, is a kind of bedstead and adjustable bed.
Background technology
Sleep is the essential rest link of life.The mankind must assure that certain length of one's sleep and sleep matter daily
Amount, could maintain enough vitalities, and then complete every plan of production, life.It can be said that sleep is human survival
Basis.
In order to ensure sleep quality, it is necessary to by necessary instrument.Wherein, bed is most commonly seen sleep articles for use.Typically
Ground, bed includes bedstead and mattress.Bedstead is the main support structure of bed, and crucial effect is played to sleep.
Current bedstead structure is simple, and function is very single, it is impossible to control is adjusted, thus adaptability is poor, application
Occasion is fixed.With the improvement of living standards, people propose new requirement for the feature of bedstead, it would be highly desirable to solve.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of bedstead and adjustable bed, with adjustable structure,
The need for meeting a variety of occasions.
The purpose of this utility model is achieved through the following technical solutions：
A kind of bedstead, including underframe, the bed board on the underframe and bedstead control valve, wherein：
The bed board includes the first plate, the second plate, the 3rd plate and the 4th plate being hinged successively along its length
Part；
The one end of first plate away from second plate is connected with the underframe by first axle, and described first
Plate lower surface, which is provided with, to be used to drive the first cylinder that it rotates around the first axle；
The 3rd plate lower surface is fixed on the underframe, can realize that straight line is transported along the length direction of the bed board
It is dynamic；
The described one end of 4th plate away from the 3rd plate is unconstrained free end, the 4th plate following table
Face is provided with the second cylinder for being used for driving it to rotate；
The bedstead control valve is used to control the gas circuit of first cylinder, second cylinder to open and close and flow.
As the improvement of above-mentioned technical proposal, the underframe is provided with the footing for being used for supporting the underframe.
As the further improvement of above-mentioned technical proposal, the bedstead control valve is connected with for manipulating the bedstead control
The operating portion of valve.
As the further improvement of above-mentioned technical proposal, the bedstead control valve is magnetic valve.
As the further improvement of above-mentioned technical proposal, the underframe has sparerib shelf structure.
It is a kind of adjustable bed, including bedstead and mattress：
The bedstead includes underframe and the bed board on the underframe；
The bed board includes the first plate, the second plate, the 3rd plate and the 4th plate being hinged successively along its length
Part；
The one end of first plate away from second plate is connected with the underframe by first axle, and described first
Plate lower surface, which is provided with, to be used to drive the first cylinder that it rotates around the first axle；
The 3rd plate lower surface is fixed on the underframe；
The described one end of 4th plate away from the 3rd plate is unconstrained free end, the 4th plate following table
Face is provided with the second cylinder for being used for driving it to rotate；
Described adjustable bed also including control unit, described control unit is electrically connected with the bedstead control valve, based on
Calculate the cylinder regulated quantity of first cylinder and second cylinder；
The bedstead control valve is used to, according to the cylinder regulated quantity, control first cylinder and second cylinder
Gas circuit is opened and closed and flow.
As the improvement of above-mentioned technical proposal, the mattress includes mattress body, multiple gas springs and governor motion：
The gas spring is distributed evenly in the mattress body interior, its telescopic direction and the thickness of the mattress body
Direction is consistent；
Described control unit includes pressure sensor, and the pressure sensor is used to detect the pressure that the gas spring is born
Value, and detected value is exported to described control unit；
Described control unit calculates the soft durometer regulated quantity of the governor motion according to the detected value, and will be described soft or hard
Degree regulated quantity is exported to the governor motion；
The governor motion includes mattress control valve, air pump and connects the mattress control valve, the air pump and the gas
The pipeline of spring, the mattress control valve switches the pipeline with controlling the stream in the pipeline according to the soft durometer regulated quantity
Amount, the air pump is used to carry out inflation/deflation regulation to the gas spring.
As the further improvement of above-mentioned technical proposal, the mattress body includes the sponge being sequentially distributed from bottom to top
Layer, bed sandwich layer and emulsion layer.
As the further improvement of above-mentioned technical proposal, bed sandwich layer includes the high-density sponge being sequentially distributed in the horizontal direction
With groups of springs, the groups of springs includes equally distributed multiple gas springs, telescopic direction and the bed of the gas spring
The thickness direction of sandwich layer is consistent.
As the further improvement of above-mentioned technical proposal, described control unit is connected with touch screen.
The beneficial effects of the utility model are：By setting with the first plate, the second plate, the 3rd plate being hinged successively
Being respectively equipped with cylinder on the bed board of part, the 4th plate, the first plate and the 4th plate, there is provided a kind of bed with adjustable structure
Frame, meets a variety of function needs；By setting bedstead and mattress with adjustable structure there is provided a kind of with adjustable structure
Bed, the application for greatly enriching bed is multi-functional.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the first perspective view of the bedstead that the utility model embodiment 1 is provided；
Fig. 2 is the second perspective view of the bedstead that the utility model embodiment 1 is provided；
Fig. 3 is the connection figure of the bedstead control valve for the bedstead that the utility model embodiment 1 is provided；
Fig. 4 is the adjustable bed structural representation that the utility model embodiment 1 is provided；
Fig. 5 is the first perspective view of the adjustable bed mattress that the utility model embodiment 1 is provided；
Fig. 6 is the plan view for the adjustable bed mattress that the utility model embodiment 1 is provided；
Fig. 7 is the schematic diagram of crispaturaing for the adjustable bed mattress that the utility model embodiment 1 is provided；
Fig. 8 is the adjustable bed electric connection figure that the utility model embodiment 1 is provided；
Fig. 9 is the annexation figure of the governor motion for the adjustable bed mattress that the utility model embodiment 1 is provided.
Main element symbol description：
1000- is adjustable bed, 0100- bedsteads, 0110- underframe, 0111- frameworks, 0112- connecting rods, 0113- footing,
0120- bed boards, the plates of 0121- first, the plates of 0122- second, the plates of 0123- the 3rd, the plates of 0124- the 4th, 0130- hinges
Group, 0131- first axles, 0132- second hinges, 0133- third hinges, the hinges of 0134- the 4th, 0140- air cylinder groups, 0141-
First cylinder, the cylinders of 0142- second, 0150- bedstead control valves, 0200- mattresses, 0210- mattress bodies, 0211- spongy layers,
0212- sandwich layers, 0213- emulsion layers, 0214- air-vents, 0220- gas springs, 0230- governor motions, the control of 0231- mattresses
Valve, 0232- air pumps, 0300- control units, 0310- pressure sensors, 0400- touch screens.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings are to bedstead and adjustable bed more fully retouched
State.Bedstead and adjustable bed preferred embodiment are given in accompanying drawing.But, bedstead and adjustable bed it can pass through many different shapes
Formula is realized, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to bedstead and can
Adjust the disclosure of bed more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
In the absence of intermediary element.Term as used herein " vertically ", " level ", "left", "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is in bedstead and adjustable bed term used in the description herein
In order to describe the purpose of specific embodiment, it is not intended that limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Embodiment 1
Please refer to Fig. 1, Fig. 2 and Fig. 3, bedstead 0100 include underframe 0110, the bed board 0120 on underframe 0110,
Hinge set 0130, air cylinder group 0140 and bedstead control valve 0150, wherein：
Underframe 0110 includes framework 0111 and the connecting rod 0112 being set up in inside framework 0111, is whole bedstead 0100
Brace foundation is provided.
Preferably, underframe 0110 can be sparerib shelf structure, the comfortable mechanical structure with more health.
Preferably, underframe 0110 is provided with the footing 0113 for support underframe 0110.Footing 0113 is located at framework 0111
Corner, smoothly connect ground and underframe 0110.
Bed board 0120 includes the first plate 0121, the second plate 0122, the 3rd plate being hinged successively along its length
0123 and the 4th plate 0124.
Hinge set 0130 includes first axle 0131, second hinge 0132, third hinge 0133, the 4th hinge 0134.
Air cylinder group 0140 includes the first cylinder 0141, the second cylinder 0142.
Specifically, the one end of the first plate 0121 away from the second plate 0122 passes through first axle 0131 and underframe 0110
Connection, the lower surface of the first plate 0121 is provided with the first cylinder 0141 for being used for driving it to be rotated around first axle 0131.
First plate 0121 is connected by second hinge 0132 with the second plate 0122, and the second plate 0122 can be around the second hinge
Chain 0132 rotates.
The one end of second plate 0122 away from the first plate 0121 is connected by third hinge 0133 with the 3rd plate 0123,
Second plate 0122 can rotate around third hinge 0133.
The lower surface of 3rd plate 0123 is fixed on underframe 0110, can realize that straight line is transported along the length direction of bed board 0120
It is dynamic.So, the 3rd plate 0123 can not rotate, and be only capable of the linear motion in occurred level direction.
The one end of 3rd plate 0123 away from the second plate 0122 is connected by the 4th hinge 0134 with the 4th plate 0124,
4th plate 0124 can rotate around the 4th hinge 0134.
4th one end of plate 0124 away from the 3rd plate 0123 is unconstrained free end, the following table of the 4th plate 0124
Face is provided with the second cylinder 0142 for being used for driving it to rotate.
Bedstead control valve 0150 is used to control the gas circuit of the first cylinder 0141 and the second cylinder 0142 to open and close and flow.It is preferred that
Ground, bedstead control valve 0150 is magnetic valve, and it is connected with the operating portion for manipulating bedstead control valve 0150.Specifically, grasp
The portion of work can be operated key or guidance panel.By operating portion, user is able to control bed board by bedstead control valve 0150
0120 open angle, makes the Unclosing structure of bed board 0120 more fit user.
Thus, when user needs to be adjusted to sitting posture from sleeping position, the first cylinder 0141 and the second cylinder need to only be passed through
0142 driving effect, makes the first plate 0121, the second plate 0122, the 4th plate 0124 rotate successively, the 3rd plate 0123
Slide into appropriate location.
Now, the 3rd plate 0123 and the 4th plate 0124 are arranged into obtuse angle, and back-supported is provided for the sitting posture of user.
The connecting portion of first plate 0121 and the second plate 0122 is in raised position, human knee portion form when its form is with sitting posture
It is adapted, more comfortable sitting posture is provided for user.
Fig. 4 and Fig. 5 is please referred to, adjustable bed 1000 include bedstead 0100, mattress 0200 and control unit 0300, its
In：
Mattress 0200 includes mattress body 0210, multiple gas springs 0220 and governor motion 0230, wherein：
Mattress body 0210 includes the spongy layer 0211, bed sandwich layer 0212 and emulsion layer 0213 being sequentially distributed from bottom to top.
Spongy layer 0211 is made up of sponge, and its material is soft, is contacted as bottom layer with bedstead or ground, can be preferably
By the pressure transmission of mattress 0200 in bedstead or ground, the experience of softness is provided for user.
Bed sandwich layer 0212 is intermediate layer, and its soft durometer can be adjusted, and is the regulatory function of complete intelligent adjustable soft hard degree mattress
Area.
Preferably, bed sandwich layer 0212 includes high-density sponge and the groups of springs being sequentially distributed in the horizontal direction, groups of springs bag
Equally distributed multiple gas springs 0220 are included, the telescopic direction of gas spring 0220 is consistent with the thickness direction of bed sandwich layer 0212.
Emulsion layer 0213 is made up of latex, is the direct acting surface of user.Emulsion layer 0213 has high resiliency, Ke Yiman
The need for sufficient different weight crowd, its good support force can adapt to the various sleeping positions of sleeper.
Fig. 6 and Fig. 7 is please referred to, it is preferable that the surface of mattress body 0210 is additionally provided with multiple air-vents 0214, to incite somebody to action
The inside of mattress body 0210 and outside air environmental communication, make mattress body 0210 keep good gas permeability and cleanliness factor.
Meanwhile, by bed-compression pad body 0210 the air inside mattress body 0210 can be arranged by air-vent 0214
Go out.Thus, mattress body 0210 is able to compress and obtains less volume, can be put by easily volume, effectively save and stored
Space.
Gas spring 0220 is distributed evenly in inside mattress body 0210, its telescopic direction and the thickness of mattress body 0210
Direction is consistent.
Specifically, gas spring 0220 is to be filled with compressed gas in a sealed container, utilizes the compressible of gas
Property realizes its spring effect.Thus, gas spring 0220 is according to different load-bearing situations, and occurs corresponding elastic deformation.Its
With comparatively ideal elastic characteristic, violent change will not occur in load-bearing, providing nature for user comfortably experiences.
Preferably, gas spring 0220 has y-shaped cross-section, is fabricated from a flexible material closed containing cavity, it has along telescopic direction
Multiple pleated portions.When it is inflated, multiple pleated portions stretch and form spring；When its deflation is complete, multiple pleated portions pressures
Compact stacked configuration is condensed to, is easy to store preservation.
Under such a structure, gas spring 0220 has larger contact area, and the body of user can be accepted well,
Comprehensively soft containing experience is provided.Meanwhile, its structure is relatively stable, will not occur the unstable situation of load-bearing.
Preferably, the cross sectional shape distribution arrangement arrangement that adjacent two row gas spring 0220 can also be opposite, makes its stress more
To be uniform and stable.
Fig. 8 and Fig. 9 is please referred to, control unit 0300 is electrically connected with bedstead control valve 0150, calculate the first cylinder
0141 and second cylinder 0142 cylinder regulated quantity.Bedstead control valve 0150 controls the first cylinder 0141 according to cylinder regulated quantity
Opened and closed and flow with the gas circuit of the second cylinder 0142.
Control unit 0300 also includes pressure sensor 0310, and pressure sensor 0310 is used to detect that gas spring 0220 is born
Pressure value, and detected value is exported to control unit 0300.Control unit 0300 calculates governor motion 0230 according to detected value
Soft durometer regulated quantity, and soft durometer regulated quantity is exported to governor motion 0230.
Governor motion 0230 includes mattress control valve 0231, air pump 0232 and connection mattress control valve 0231, air pump 0232
With the pipeline of gas spring 0220, mattress control valve 0231 switches pipeline and the flow in control piper according to soft durometer regulated quantity,
Air pump 0232 is used to carry out inflation/deflation regulation to gas spring 0220.
When the gas flow in gas spring 0220 is more, gas density is larger and makes elastic acting force significantly, and human body will be by
To more strong support, the larger experience of hardness is obtained.
When the gas flow in gas spring 0220 is less, gas density is smaller and makes elastic acting force smaller, human body stress
It is more slight, obtain the smaller and soft experience of hardness.
Specifically, control unit 0300 is soft or hard needed for combined use person according to the detected value of pressure sensor 0310
Degree, calculates the soft durometer regulated quantity of governor motion 0230.Governor motion 0230 changes gas spring according to soft durometer regulated quantity
Gas content in 0220, the soft durometer experience needed for obtaining.
Preferably, the sleeping position that can also be lain low by human body of mattress body 0210 is divided into different zones according to body part bit distribution,
Gas spring 0220 in different zones has different strokes, the human body back that the change of its stroke lies low under sleeping position with human body
Curve is consistent.
Specifically, general human body lies low under sleeping position, and its back curve has more consistent feature.Thus, can basis
This feature rule, delimit the region of the different parts of specific body in mattress body 0210 in advance.Gas bullet in different zones
Spring 0220 has different strokes, and its value is corresponding to residing region.
In the case of compression, the deformation of gas spring 0220 in different zones is different, makes the table of mattress body 0210
Face shape meets human body back curve, the organization of human body so that mattress body 0210 is more fitted, and human body is maintained correctly
Comfortable sleeping position.
Preferably, control unit 0300 is also associated with touch screen 0400.Touch screen 0400 is available for users to control unit
0300 manual input operation is instructed, and shows adjustable bed 1000 state parameter.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, without
It is that therefore, other examples of exemplary embodiment can have different values as limitation.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model scope.It should be pointed out that for the ordinary skill of this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, protection domain of the present utility model should be determined by the appended claims.
Claims (10)
1. a kind of bedstead, including underframe, the bed board on the underframe and bedstead control valve, it is characterised in that
The bed board includes the first plate, the second plate, the 3rd plate and the 4th plate being hinged successively along its length；
The one end of first plate away from second plate is connected with the underframe by first axle, first plate
Lower surface, which is provided with, to be used to drive the first cylinder that it rotates around the first axle；
The 3rd plate lower surface is fixed on the underframe, can be realized and be moved along a straight line along the length direction of the bed board；
The described one end of 4th plate away from the 3rd plate is unconstrained free end, and the 4th plate lower surface is set
There is the second cylinder for driving it to rotate；
The bedstead control valve is used to control the gas circuit of first cylinder and second cylinder to open and close and flow.
2. bedstead according to claim 1, it is characterised in that the underframe is provided with the bottom for being used for supporting the underframe
Pin.
3. bedstead according to claim 1, it is characterised in that the bedstead control valve is connected with for manipulating the bedstead
The operating portion of control valve.
4. bedstead according to claim 1, it is characterised in that the bedstead control valve is magnetic valve.
5. bedstead according to claim 1, it is characterised in that the underframe has sparerib shelf structure.
6. it is a kind of adjustable bed, including bedstead and mattress, it is characterised in that：
The bedstead includes underframe, the bed board on the underframe and bedstead control valve；
The bed board includes the first plate, the second plate, the 3rd plate and the 4th plate being hinged successively along its length；
The one end of first plate away from second plate is connected with the underframe by first axle, first plate
Lower surface, which is provided with, to be used to drive the first cylinder that it rotates around the first axle；
The 3rd plate lower surface is fixed on the underframe；
The described one end of 4th plate away from the 3rd plate is unconstrained free end, and the 4th plate lower surface is set
There is the second cylinder for driving it to rotate；
Described adjustable bed also including control unit, described control unit is electrically connected with the bedstead control valve, for calculating
State the cylinder regulated quantity of the first cylinder and second cylinder；
The bedstead control valve is used for the gas circuit that first cylinder and second cylinder are controlled according to the cylinder regulated quantity
Open and close and flow.
7. according to claim 6 adjustable bed, it is characterised in that the mattress include mattress body, multiple gas springs with
Governor motion：
The gas spring is distributed evenly in the mattress body interior, its telescopic direction and the thickness direction of the mattress body
Unanimously；
Described control unit includes pressure sensor, and the pressure sensor is used to detect the pressure value that the gas spring is born,
And export detected value to described control unit；
Described control unit calculates the soft durometer regulated quantity of the governor motion according to the detected value, and the soft durometer is adjusted
Section amount is exported to the governor motion；
The governor motion includes mattress control valve, air pump and connects the mattress control valve, the air pump and the gas spring
Pipeline, the mattress control valve switches the pipeline with controlling the flow in the pipeline according to the soft durometer regulated quantity,
The air pump is used to carry out inflation/deflation regulation to the gas spring.
8. it is according to claim 7 adjustable bed, it is characterised in that the mattress body includes what is be sequentially distributed from bottom to top
Spongy layer, bed sandwich layer and emulsion layer.
9. it is according to claim 8 adjustable bed, it is characterised in that the bed sandwich layer includes what is be sequentially distributed in the horizontal direction
High-density sponge and groups of springs, the groups of springs include equally distributed multiple gas springs, the flexible side of the gas spring
To consistent with the thickness direction of the bed sandwich layer.
10. it is according to claim 6 adjustable bed, it is characterised in that described control unit is connected with touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621264716.3U CN206434089U (en) | 2016-11-21 | 2016-11-21 | Bedstead and adjustable bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621264716.3U CN206434089U (en) | 2016-11-21 | 2016-11-21 | Bedstead and adjustable bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206434089U true CN206434089U (en) | 2017-08-25 |
Family
ID=59645783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621264716.3U Expired - Fee Related CN206434089U (en) | 2016-11-21 | 2016-11-21 | Bedstead and adjustable bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206434089U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106388399A (en) * | 2016-11-21 | 2017-02-15 | 深圳市易控迪智能家居科技有限公司 | Bed frame and adjustable bed |
| CN110301777A (en) * | 2019-04-03 | 2019-10-08 | 木里木外家具启东有限公司 | A kind of intelligent elevated double bed |
| CN112773126A (en) * | 2021-02-02 | 2021-05-11 | 嘉兴市朗爵金属家具有限公司 | Inclined electric bed with hinge structure |
-
2016
- 2016-11-21 CN CN201621264716.3U patent/CN206434089U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106388399A (en) * | 2016-11-21 | 2017-02-15 | 深圳市易控迪智能家居科技有限公司 | Bed frame and adjustable bed |
| CN110301777A (en) * | 2019-04-03 | 2019-10-08 | 木里木外家具启东有限公司 | A kind of intelligent elevated double bed |
| CN110301777B (en) * | 2019-04-03 | 2021-11-09 | 木里木外家具启东有限公司 | Intelligent lifting double bed |
| CN112773126A (en) * | 2021-02-02 | 2021-05-11 | 嘉兴市朗爵金属家具有限公司 | Inclined electric bed with hinge structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20201121 |