CN204363584U - A kind of lifting pillow having cervical traction function - Google Patents
A kind of lifting pillow having cervical traction function Download PDFInfo
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- CN204363584U CN204363584U CN201520021414.2U CN201520021414U CN204363584U CN 204363584 U CN204363584 U CN 204363584U CN 201520021414 U CN201520021414 U CN 201520021414U CN 204363584 U CN204363584 U CN 204363584U
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- pillow
- pressure detector
- air
- magnetic valve
- tracheae
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Abstract
The utility model discloses a kind of lifting pillow having cervical traction function, comprise air pillow (1) and external control system. described air pillow (1) is an air bag close to cuboid; Described external control system comprises: hand held aerator (3), electric inflating pump (4), the first pressure detector (8), second pressure detector (11), exhaust solenoid valve (5), magnetic valve (7), microcomputerized controller (10), check valve (6), reduction of speed device (9); Described first pressure detector (8) is connected to described air pillow (1) with tracheae; Exhaust outlet and the surrounding air of described air bleeding valve (6) are connected; The front portion of the inner chamber of described air pillow (1) is also provided with an air bag (2) independently laterally installed, and described air bag (2) discord air pillow (1) is communicated with.
Description
Technical field
the utility model relates to bedding field, is specifically related to a kind of lifting pillow having cervical traction function.
Background technology
Modern society, many people are electricity consumption brain everyday, because posture is not right, cause cervical spondylopathy to take place frequently, punish severely and affect people's life, so many people in bed, when all wishing to put down sleeping, pillow is lower, and when lying on one's side, pillow can be higher, helpful to the protection of cervical vertebra like this, in addition, many people also need pillow can have traction and massage functions to cervical vertebra; But existing market common lift pillow all there is no these functions. also
there are some pillows to have gas cell to realize variable high low-function, although can uprise low, can not automatically regulate, it is all the height being changed pillow by the mode of manual adjustment, operation inconvenience, and the air bag in its pillow only has one, causes pillow to convert process just steady not; In addition, traditional lifting pillow also has a very large defect, is exactly when pillow is exitted, and the anterior parts not supporting cervical vertebra, user can be uncomfortable.
described on end, traditional variable High and low pillow, when people use, or troublesome poeration, or reliability is not high, or uncomfortable, limited by practical.
Utility model content
for the problems referred to above, the utility model aims to provide a kind of without the need to manual adjustment, the pressure change that can cause according to the simple motion of user's head controls pillow height, avoid the shortcoming that traditional variable High and low pillow uses complicated sleeping position checkout gear, the front portion of pillow is designed with special cervical vertebra support and traction air bag simultaneously.
1 in order to achieve this end, the utility model by the following technical solutions: a kind of lifting pillow having cervical traction function, comprise air pillow (1) and external control system composition. described air pillow (1) is a rectangle air bag; Described air pillow (1) is a rectangle air bag; Described external control system comprises: hand held aerator (3), electric inflating pump (4), the first pressure detector (8), second pressure detector (11), exhaust solenoid valve (5), magnetic valve (7), microcomputerized controller (10), check valve (6), reduction of speed device (9); Described first pressure detector (8) is connected on described air pillow (1) with tracheae; Exhaust outlet and the surrounding air of described exhaust solenoid valve (5) are connected; The front portion of the inner chamber of described air pillow (1) is also provided with an independently air bag (2), and described air bag (2) discord air pillow (1) is communicated with; The side of described air bag (2) is connected to the outlet of hand held aerator (3) and the B mouth of magnetic valve (7) by threeway connector tracheae; Described external control system is also provided with check valve (6), magnetic valve (7), the second pressure detector (11); The exhaust outlet of described electric inflating pump (4) is communicated with the entrance tracheae of described check valve (6); The outlet of described check valve (6) is connected to the entrance of described exhaust solenoid valve (5) and the A mouth of described magnetic valve (7) through threeway connector tracheae; The C mouth of described magnetic valve (7) is connected to the entrance of described reduction of speed device (9); The outlet tracheae of described reduction of speed device (9) is connected on described air pillow (1); Described second pressure detector (11) is connected on the tracheae that communicates with the B mouth of described magnetic valve (7); Described electric inflating pump (4), the first pressure detector (8), the second pressure detector (11), exhaust solenoid valve (5), magnetic valve (7) is all connected with described microcomputerized controller (10) by controlling electric wire.
compared with common air pillow, new departure that the utility model adopts comprises the following aspects:
the front portion of the inner chamber of air pillow described in 1 (1) is provided with an air bag (2) independently laterally installed, and it is not communicated with air pillow (1); When after air pillow (1) venting, this air bag (2) can play special cervical vertebra supporting role; On the other hand, can cross the control of microcomputerized controller (10), allow air bag (2) inflation/deflation repeatedly, the cervical vertebra of people will raise reduction repeatedly, after rising, the deadweight of head part is utilized to realize cervical vertebra joint, muscle, loosening of ligament, tractive, play the effect of physiotherapy. after having this air bag (2), be not only just a common lifting pillow, also there is certain physical therapy efficacy.
2. add a check valve (6) at the exhaust outlet of described electric inflating pump (4), this valve is very important, after electric gas-filled body pump stops, playing the effect of pressurize; If there is no this valve, just need extra pressurize magnetic valve.
3 use a reduction of speed device (9) to be arranged on tracheae, make the vibration of electric inflating pump can not pass on pillow by tracheae, its operation principle is: owing to comparing with the volume of long air pipe that waits thereafter with before it, the volume of reduction of speed device wants large several times, air-flow will obviously reduce a lot through its speed, the vibration of pump discharge air-flow will be weakened therein and on average, the vibration passing of air-flow will weaken widely to outlet conduit.
4 employ a magnetic valve (7) and the second pressure detector (11), are communicated with by air bag (2) with electric inflating pump (4), realize Stress control and the automatic inflatable/air of air bag (2), thus realize cervical traction function.
as preferably, described magnetic valve (7) is 23 three-way electromagnetic valves, its effect to allow air bag (2) and air pillow (1) connect with gas ducting above different time, therefore, the function of 23 three-way electromagnetic valves also can resolve into 2 two-way electromagnetic valves and be connected in series on the entrance pipe of air bag (2) and air pillow (1) respectively, by the control of microcomputerized controller (10), realize original function.
described magnetic valve (5) is connected on before magnetic valve (7), and its effect is the control by microcomputerized controller (10), to air bag (2) or air pillow (1) venting, realizes the venting to two parts with a valve; The function of magnetic valve (5) also can replace with two magnetic valves, two magnetic valves are connected on B and the C mouth of magnetic valve (7) respectively, on the entrance pipe of air bag (2) and air pillow (1), the benefit done like this is: when to air bag (2), also separately to pillow (1) venting, can control flexibly.
as preferably, described hand held aerator (3) is provided with vent valve, check valve.
as preferably, the internal structure of described check valve (6) adopts diaphragm type more excellent, also ball-type can be adopted. so-called diaphragm type, what refer to that the inside of valve seals is a slice film, its material has rubber, silica gel etc. so-called ball-type, what refer to that the inside of valve seals is a circular metal or plastic sphere.
as preferably, air bag (2) is columniform, may also be square, oval, be laterally fixed on the front portion of air pillow (1); The both sides of air bag (2) and the both sides close contact of air pillow (1).
as preferably, the side of air bag (2) is provided with one or 2 gas-tpe fittings, and the material of joint is PVC, polypropylene etc.
as preferably, the side of air pillow (1) is provided with 2 gas-tpe fittings, and the material of joint is PVC, polypropylene etc.
as preferably, described air pillow (1) and described air bag (2) can adopt rubber, TPU, PU, make.
tPU: TPUE rubber;
pU: polyurethanes, is called for short polyurethane.
as preferably, described reduction of speed device (9) is the special hollow pipe of a joint, is characterized in that more front than it or thereafter the tracheae of diameter is obviously much larger, and does not fill any medium.
as preferably, described reduction of speed device (9) can by rubber, and silica gel, PVC material, polypropylene etc. are made.
as preferably, described electric inflating pump (4) can be diaphragm type, electromagnetic type, vane type, piston type etc.
as preferably, described connection tracheae can adopt, rubber, and silica gel, polyvinyl chloride etc. are made.
as preferably, described microcomputerized controller (10) is one piece and comprises single-chip microcomputer, power module, the circuit board of imput output circuit; Further, panel is provided with LCDs (10.1), button (10.2), selector switch (10.3), 2 or 3 potentiometers (10.4); Further, selector switch has 5 working positions, and the quantity of button selects 3.
as preferably, described first pressure detector (8) and the second pressure detector (11) are pressure transmitters, export DC voltage or current signal; Further, its pressure detecting range is more excellent at 0-20Kpa, 0-10Kpa is optimum. and aforesaid pressure transmitter refers to: only needing to supply operating voltage just can the individual devices of direct outputting standard signal, does not need a kind of sensor that extra electronic circuit just can work.
as preferably, described first pressure detector (8) and the second pressure detector (11) also can be pressure sensor electronic modules, can integrated installation on the circuit board of described microcomputerized controller (10), then being connected on described air pillow (1) by connecting pipe. described pressure sensor electronic module refers to: only supplying operating voltage can't the integrated circuit modules of direct outputting standard signal, it needs extra electronic circuit to carry out amplification to signal and various compensation deals could work, and is equivalent to a part of pressure transmitter.
as preferably, it can be any one direct current standard signal following that described first pressure detector (8) and the second pressure detector (11) export: 0-10V, 1-10V, 0-5V, 1-5V, 0-20MA, 4-20MA, 1-4.5V, 0.5-4.5V etc., also can direct output digit signals.Getting rid of meaning data signal is exactly low and high level signal, is different from continuous print analog signal.
as preferably, described second pressure detector (11) also can be arranged on the pipeline that is directly connected with the A mouth of magnetic valve (7), connects four elements before when installing like this with a four-way, more convenient.
as preferably, described first pressure detector (8) is arranged on the circuit board of microcomputerized controller (10), its pressure pipe uses independent tracheae to be connected to described air pillow (1), and does not share a pipeline with the pipeline in inflation loop, and such pressure just can be stablized.
as preferably, except hand held aerator (3), all elements of described external control system are integrated be arranged on a control box and near, described air pillow (1) and air bag (2) is connected by three tracheaes, instead of be installed together with pillow, the advantage done like this is noise decrease, and pillow and control system definitely do not have electrical link, very safe.Certainly, also can be installed together with air pillow (1), such benefit uses more convenient, but noise is large, poor stability some.
as preferably, described first pressure detector (8) and the second pressure detector (11) also can be pressure switches, output switching signal.
as preferably, described electric inflating pump (4) adopts safe voltage to power; Further, operating voltage selects direct current safe voltage.
as preferably, described exhaust solenoid valve (5) and magnetic valve (7) are DC electromagnetic valves, use DC power control.
as preferably, described exhaust solenoid valve (5) and magnetic valve (7) also can be alternating current electromagnetic valves, control by AC power.
as preferably, described exhaust solenoid valve (5) and magnetic valve (7) are direct-acting electromagnetic valve or pilot-operated type; So-called Direct Action Type, directly open or close spool by electromagnetic force exactly, thus control the opening and closing of pipeline, do not use the pressure effect work of fluid in pipeline. so-called pilot-operated type, directly can not open or close spool by electromagnetic force exactly, the pressure effect needing to use fluid in pipeline could work.
as preferably, except hand held aerator (3), all elements of described external control system are integrated to be arranged in a control box, is connected on described air pillow (1) and air bag (2) by three tracheaes, instead of together with installing concentratedly with pillow.
Accompanying drawing explanation
fig. 1 is the System's composition schematic diagram of the utility model specific embodiment.
fig. 2 is in the utility model specific embodiment, realizes the fundamental diagram of pillow height control with pressure detector.
fig. 3 is the panel structure chart of the microcomputerized controller (10) of the utility model specific embodiment.
fig. 4 is the construction profile of air pillow (1).
fig. 5 is the structure chart of reduction of speed device (9).
fig. 6 is the schematic diagram of 23 three-way electromagnetic valves (7).
Detailed description of the invention
below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
2 a kind of lifting pillows having cervical traction function as shown in Figure 1, comprise air pillow (1) and external control system composition. and described air pillow (1) is a rectangle air bag; Described air pillow (1) is a rectangle air bag; Described external control system comprises: hand held aerator (3), electric inflating pump (4), the first pressure detector (8), second pressure detector (11), exhaust solenoid valve (5), magnetic valve (7), microcomputerized controller (10), check valve (6), reduction of speed device (9); Described first pressure detector (8) is connected on described air pillow (1) with tracheae; Exhaust outlet and the surrounding air of described exhaust solenoid valve (5) are connected; The front portion of the inner chamber of described air pillow (1) is also provided with an independently air bag (2), and described air bag (2) discord air pillow (1) is communicated with; The side of described air bag (2) is connected to the outlet of hand held aerator (3) and the B mouth of magnetic valve (7) by threeway connector tracheae; Described external control system is also provided with check valve (6), magnetic valve (7), the second pressure detector (11); The exhaust outlet of described electric inflating pump (4) is communicated with the entrance tracheae of described check valve (6); The outlet of described check valve (6) is connected to the entrance of described exhaust solenoid valve (5) and the A mouth of described magnetic valve (7) through threeway connector tracheae; The C mouth of described magnetic valve (7) is connected to the entrance of described reduction of speed device (9); The outlet tracheae of described reduction of speed device (9) is connected on described air pillow (1); Described second pressure detector (11) is connected on the tracheae that communicates with the B mouth of described magnetic valve (7); Described electric inflating pump (4), the first pressure detector (8), the second pressure detector (11), exhaust solenoid valve (5), magnetic valve (7) is all connected with described microcomputerized controller (10) by controlling electric wire.
the Main Function of described microcomputerized controller (10) is the detected pressure value according to pressure detector (8) and the second pressure detector (11), performing a programme controls the opening and closing of electric inflating pump (4) and exhaust solenoid valve (5) and magnetic valve (7), also controls write and the preservation of various program running parameter simultaneously.
under the control of described microcomputerized controller (10); the main working process of described pillow (1) conversion height is as follows: when air bleeding valve magnetic valve (5) and magnetic valve (7) power-off are closed, (now A and the C mouth of magnetic valve (7) communicates; B mouth is closed); and after electric inflating pump (4) opens; gas is constantly admitted to described air pillow (1); described air pillow (1) interior pressure increase, now air pillow (1) will uprise; On the contrary, when described electric inflating pump (4) stops, and after described exhaust solenoid valve (5) opens, gas in air pillow (1) will be discharged in air, the pressure drop volume of air pillow (1) reduces, the height of air pillow (1) will step-down, so just achieves the height conversion of pillow.
but pillow should what uprise; when step-down. the utility model is according to the simple headwork of user; only use a pressure detector (8); realize detection user being converted to sleeping position dexterously; thus the height of conversion pillow, avoid and use complexity and insecure sleeping position detection system;
control the process of pillow height with pressure detector in order to explanation with reference to figure 2, its operation principle (program) is as follows:
the pressure of what the curve shown in Fig. 2 represented is described air pillow (1). when user flat sleeping time, assuming that pillow is in extreme higher position, now described first pressure detector (8) detects that the force value of described air pillow (1) is P
h
if now user wants to allow pillow step-down, a needs head is depressed gently towards pillow, and now the pressure of described air pillow (1) must increase, when pressure is greater than P
hH
time, now described microcomputerized controller (10) judges that user thinks flat crouching, and will open described exhaust solenoid valve (5), thus reduce pillow height, now pressure constantly declines, when pressure drops to P
l
time, now described microcomputerized controller (10) judges that pillow arrives extreme lower position, after this will close described exhaust solenoid valve (5), stops exhaust.
when user from flat sleeping become lie on one's side time, now user wants pillow to uprise, and only needs labour contractor to lift gently, and due to the weight without user's head, now the pressure of air pillow (1) must decline, when being reduced to P
lL
time, now described microcomputerized controller (10) judges that user wants to transform to side-lying position, will open described electric inflating pump (4), starts inflation, when air pressure reaches P
h
time, described microcomputerized controller (10) judges pillow to extreme higher position, and electric inflating pump (4) will be stopped to inflate. by reasonably selecting four pressure control point P
hH
, P
h
, P
l
, P
lL
, pillow can be made to coordinate the user of different use habit and different head weight.
summary is got up: be exactly when wanting pillow step-down just with defeating pillow a little, just come back gently when wanting pillow to uprise, such pillow just becomes very intelligent. and above-mentioned whole process is all passed through described microcomputerized controller (10) and is controlled, circular flow.
the value of pressure sensor is read in described microcomputerized controller (10) circulation, and the above-mentioned pressure detector that utilizes of circulation execution controls pillow height working procedure, thus controls rising and the reduction of pillow.
the process that described air bag (2) realizes cervical traction under the control of microcomputerized controller (10) is as follows:
during normal work, described magnetic valve (7) no power, its AC mouth connects, and B mouth is closed (with reference to figure 6), and now electric inflating pump can normally be inflated air pillow (1); Following process is performed after cervical traction pattern got to by the selector switch (10.3) on microcomputerized controller (10) panel:
microcomputerized controller (10) opens the gas that exhaust solenoid valve (5) is drained in air pillow (1), when the value of pressure detector (8) to be reduced to after 0 (now think gas in emptying air pillow (1)), under the control of microcomputerized controller (10), first close exhaust solenoid valve (5), then start magnetic valve (7) and electric inflating pump (4) energising, now magnetic valve (7) becomes AB connection, C mouth is closed, gas circuit has been switched to inflates air bag (2), after described second pressure detector (11) reaches the value of setting, stop inflation, after retard a period of time, open exhaust solenoid valve (5), to drain the gas of air bag (2), then secondary closedown exhaust solenoid valve (5), open electric inflating pump (4) inflation. repeatedly perform inflation/deflation process above, air bag (2) will raise repeatedly and reduce, after air bag (2) raises, the cervical vertebra of user is elevated, under the effect of head gravity, cervical vertebra can be convex, realize cervical vertebra joint, muscle, the tractive of ligament, recover the physiological camber of cervical vertebra, play the effect of physiotherapy. in above process, value if there is pressure detector (8) is greater than 0(and illustrates that the gas in air pillow (1) is not discharged), system should re-execute beginning deflation course, 0 is come back to and after time delay a period of time until the value of air pillow pressure detector (8), again perform repeatedly to the inflation/deflation process of air bag (2), if after other gear selected by selector switch (10.3), will stop performing above cervical traction program, get back to normal elevating control pattern.
by the gear of conversion selecting switch (10.3), different mode of operations can be designed. illustrate below:
when beating at gear 1, the height of pillow can remain unchanged, thus becomes a common pillow;
when beating at gear 2, pillow first can be operated in traction function, and continues the regular hour, is then transformed into normal jacking condition;
when beating at gear 3, the elevating control mode of pillow can be selected, one or several control methods being lost efficacy, meets the hobby of different users;
when beating at gear 4, the number of times of pillow height conversion can be recorded, what the number of times of height conversion can react user stands up number of times, can do one like this and substantially assess, tell user by the reveal codes of display screen (10.1) to the sleep health status of user.
be the panel structure chart of the described microcomputerized controller (10) of the utility model preferred embodiment with reference to figure 3, comprise LCDs (10.1) and button (10.2), selector switch (10.3), potentiometer (10.4); Described LCDs (10.1) in order to the parameter of display system, such as four pressure control point P
h
, P
hH
, P
l
, the value of PLL; Described button (10.2) in order to regulating system parameter, such as, regulates four pressure control point P
hH
, P
h
, the value of PL, PLL, selects 3 buttons more applicable here; Described selector switch (10.3) is in order to the mode of operation of control system; Described potentiometer (10.4) has 2 or 3, and the effect of one of them is the parameter P in setting controller
l,
another effect is the parameter P in setting controller
h
. the 3rd potentiometer can also be added, in order to set aeration speed. potentiometer changes the principle of parameter and is: provide a variable DC voltage by potentiometer, convert data signal to through inside A/D converter that is outside or CPU, supply CPU uses.
the above; be only preferred embodiment of the present utility model; not in order to limit the utility model, every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalently replace and improve, within the protection domain that all should be included in technical solutions of the utility model.
Claims (10)
1.
there is a lifting pillow for cervical traction function, comprise air pillow (1) and external control system; Described external control system comprises: hand held aerator (3), electric inflating pump (4), the first pressure detector (8), second pressure detector (11), exhaust solenoid valve (5), magnetic valve (7), microcomputerized controller (10), check valve (6), reduction of speed device (9); Described first pressure detector (8) is connected on described air pillow (1) with tracheae; Exhaust outlet and the surrounding air of described exhaust solenoid valve (5) are connected; It is characterized in that: the front portion of the inner chamber of described air pillow (1) is also provided with an independently air bag (2), described air bag (2) discord air pillow (1) is communicated with; The side of described air bag (2), by a threeway connector, is connected to the outlet of hand held aerator (3) and the B mouth of magnetic valve (7) with tracheae; Described external control system is also provided with check valve (6), magnetic valve (7), the second pressure detector (11); The exhaust outlet of described electric inflating pump (4) is communicated with the entrance tracheae of described check valve (6); The outlet of described check valve (6) is connected to the entrance of described exhaust solenoid valve (5) and the A mouth of described magnetic valve (7) through threeway connector tracheae; The C mouth of described magnetic valve (7) is connected to the entrance of described reduction of speed device (9); The outlet tracheae of described reduction of speed device (9) is connected on described air pillow (1); Described second pressure detector (11) is connected on the tracheae that communicates with the B mouth of described magnetic valve (7); Described electric inflating pump (4), the first pressure detector (8), the second pressure detector (11), exhaust solenoid valve (5), magnetic valve (7) are all connected with described microcomputerized controller (10) by controlling electric wire.
2.
a kind of lifting pillow having cervical traction function according to claim 1, is characterized in that: described magnetic valve (7) is 23 three-way electromagnetic valves.
3.
a kind of lifting pillow having cervical traction function according to claim 1, is characterized in that: described exhaust solenoid valve (5) and magnetic valve (7) are all direct-acting electromagnetic valves.
4.
a kind of lifting pillow having cervical traction function according to claim 1, is characterized in that: described check valve (6) is a thin-film check valve.
5.
a kind of lifting pillow having cervical traction function according to claim 1, is characterized in that: described first pressure detector (8) and the second pressure detector (11) are pressure transmitters.
6.
a kind of lifting pillow having cervical traction function according to claim 4, is characterized in that: the output of described first pressure detector (8) and the second pressure detector (11) is DC voltage or current signal.
7.
a kind of lifting pillow having cervical traction function according to claim 1, it is characterized in that: described first pressure detector (8) and the second pressure detector (11) are pressure sensor electronic modules, integrated installation, on the circuit board of described microcomputerized controller (10), is connected on described air pillow (1) by connecting tracheae.
8.
a kind of lifting pillow having cervical traction function according to claim 4, it is characterized in that: described first pressure detector (8) and the second pressure detector (11) are arranged on the circuit board of described microcomputerized controller (10), its pressure pipe uses independent tracheae to be connected on described air pillow (1), does not share a pipeline with the pipeline in inflation loop.
9.
a kind of lifting pillow having cervical traction function according to claim 1, it is characterized in that: except hand held aerator (3), all elements of described external control system are integrated be arranged on a control box and near, be connected on described air pillow (1) and air bag (2) by three tracheaes, instead of together with installing concentratedly with pillow.
10.
a kind of lifting pillow having cervical traction function according to claim 1, is characterized in that: the panel of described microcomputerized controller (10) is provided with LCDs (10.1), button (10.2), selector switch (10.3), potentiometer (10.4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520021414.2U CN204363584U (en) | 2015-01-13 | 2015-01-13 | A kind of lifting pillow having cervical traction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520021414.2U CN204363584U (en) | 2015-01-13 | 2015-01-13 | A kind of lifting pillow having cervical traction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204363584U true CN204363584U (en) | 2015-06-03 |
Family
ID=53319847
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|---|---|---|---|
| CN201520021414.2U Expired - Fee Related CN204363584U (en) | 2015-01-13 | 2015-01-13 | A kind of lifting pillow having cervical traction function |
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| Country | Link |
|---|---|
| CN (1) | CN204363584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105832072A (en) * | 2015-01-13 | 2016-08-10 | 田雄伟 | Lifting pillow having a cervical traction function |
-
2015
- 2015-01-13 CN CN201520021414.2U patent/CN204363584U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105832072A (en) * | 2015-01-13 | 2016-08-10 | 田雄伟 | Lifting pillow having a cervical traction function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20200113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |