CN204863878U - Messaging chairs - Google Patents
Messaging chairs Download PDFInfo
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- CN204863878U CN204863878U CN201520615238.5U CN201520615238U CN204863878U CN 204863878 U CN204863878 U CN 204863878U CN 201520615238 U CN201520615238 U CN 201520615238U CN 204863878 U CN204863878 U CN 204863878U
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Abstract
The utility model discloses a messaging chairs, including base (1), the preceding pendulum rod subassembly and the back pendulum rod subassembly of supporting part (3) and connection base (1) and supporting part (3), the anterior first articulated portion of lower part articulated with preceding pendulum rod subassembly (01) of base (1), the rear portion of base (1) and the articulated portion of lower part articulated second (02) of back pendulum rod subassembly, the upper portion of supporting part (3) and the articulated portion of upper portion articulated third (03) of back pendulum rod subassembly, the lower part of supporting part (3) constitutes four with the articulated portion of the upper portion articulated fourth of preceding pendulum rod subassembly (04) and links the rocker mechanism, include still that one end and base (1) are articulated, the other end and preceding pendulum rod subassembly or back pendulum rod subassembly articulated drive vaulting pole (5), drive vaulting pole (5) is flexible can drive four even the rocker mechanism rotate around the articulated shaft. This messaging chairs has solved messaging chairs effectively and has used fragmentary from the wall or leave stability, the security relatively poor scheduling problem of wall in putting the function technique a little.
Description
Technical field
This utility model relates to massage apparatus technical field, particularly relates to a kind of massage armchair.
Background technology
Along with people are to the pay attention to day by day of healthy living, massage armchair is felt exhausted as slowing down, effective apparatus of subhealth state is more and more welcome; Meanwhile, along with the lifting of room rate, it is also more and more concerned that massage armchair puts the space use cost taken.Massage armchair manufacturing is put forth effort on as consumer's head it off always in recent years, farthest reduces the use cost that massage armchair placement space produces, this is created to some massage armchairs zero from wall or micro-New function technology of putting from wall.Adopt zero from wall or micro-massage armchair from wall function technology incline lie time, can all eliminate or the space of at utmost elimination part owing to occupying when massage armchair backrest is inclined and lain, the space occupied by traditional massage armchair fall-back calculates, this type of new technique at least can be the space that consumer saves 0.5 to 1 square metre, in the city that room rate is higher, save the price of value far above massage armchair itself in lower space.
But use massage armchair zero from wall or micro-massage armchair putting function technology from wall in prior art, complex structure, base, back-rest take up room comparatively large, and reliability is poor, can not ensure safety, and manufacture technics required precision is higher, and production cost is higher.
In sum, how effectively solving massage armchair application zero from problems such as wall or micro-stability of to put from wall in function technology, safety are poor, is current those skilled in the art's urgent problem.
Utility model content
The purpose of this utility model is to provide a kind of massage armchair, efficiently solves massage armchair application zero from problems such as wall or micro-stability of to put from wall in function technology, safety are poor.
For solving the problems of the technologies described above, this utility model provides following technical scheme:
A kind of massage armchair, comprise base, support portion and connect the front roll bar assembly of described base and described support portion and rear oscillating bar assembly, the 4th articulated section of the upper articulation of the 3rd articulated section of upper articulation of second articulated section of lower hinge of the front portion of described base and first articulated section of lower hinge of described front roll bar assembly, the rear portion of described base and described rear oscillating bar assembly, the top of described support portion and described rear oscillating bar assembly, the bottom of described support portion and described front roll bar assembly forms four and connects endplay devices;
Also comprise one end and described base is hinged, the other end and described front roll bar assembly or the hinged driving strut of described rear oscillating bar assembly, described driving strut is flexible can be driven described four to connect endplay devices to rotate around jointed shaft.
Preferably, the back-rest that described support portion comprises a portion and is connected with described seat portion, described seat portion is relative with the position of described back-rest fixing; During original state, the angle of described back-rest and horizontal plane is 115 ° ~ 125 °.
Preferably, inside, described support portion comprises the curvilinear guide supporting described seat portion and described back-rest, and described curvilinear guide is symmetrical.
Preferably, described driving strut by Electronic control, its one end and described base hinged, the other end and described rear oscillating bar assembly hinged.
Preferably, described front roll bar assembly and described rear oscillating bar assembly are H-shaped fork or I-shaped fork, often pair of pin joint of described front roll bar assembly and described rear oscillating bar assembly is symmetrical, the axis being parallel of two pairs of pin joints and be arranged at the top and bottom of support bar respectively.
Preferably, the distance of the axis of described first articulated section of described base and the axis of described second articulated section is 200mm ~ 600mm.
Preferably, the axis of described first articulated section of described base and the axis being parallel of described second articulated section, described first articulated section is identical with described second articulated section height.
Preferably, on the upside of described 3rd articulated section to described support portion of described support portion the axis of the distance of end and described 3rd articulated section of described support portion to the distance proportion of the axis of described 4th articulated section between 1:5 ~ 1:2.5.
Preferably, during original state, described 3rd articulated section of described rear rocker assembly and the line of described second articulated section and the angle of horizontal plane are 110 ° ~ 80 °; Described 4th articulated section of described front rocker assembly and the line of described first articulated section and horizontal plane angle are 130 ° ~ 100 °.
Preferably, during original state, described 3rd articulated section of described support portion and the vertical drop of the 4th articulated section are 0 ~ 80mm.
Massage armchair provided by the utility model, comprise base, support portion, front roll bar assembly, rear oscillating bar assembly and drive strut, base is connected with rear oscillating bar assembly by front roll bar assembly with support portion.4th articulated section of the 3rd articulated section of the upper articulation of second articulated section of lower hinge of the first articulated section of the front portion of base and the lower hinge of front roll bar assembly, the rear portion of base and rear oscillating bar assembly, the top of support portion and rear oscillating bar assembly, the bottom of support portion and the upper articulation of front roll bar assembly, four articulated sections form four and connect endplay devices, and what namely base, support portion, front rocker assembly and rear rocker assembly formed jointly four connects endplay devices.
Drive one end and the base of strut hinged, the other end and front roll bar assembly or rear oscillating bar assembly hinged, with driving strut hinged be active fork, another is driven fork.Base, drive crank, driving strut form stable triangular structure, for supporting four company's endplay devices, to ensure the stability of four company's endplay devices.Drive strut to stretch, drive four to connect endplay device with this and rotate around jointed shaft, drive four to connect endplay device by driving strut and move back and forth, realize inclining of support portion and lie and move forward or reset.When driving strut to drive active roll, use four to connect the running orbit principle of endplay device, support portion is moved forward, lies around support portion and the hinged articulated section turnover of drive crank simultaneously.Each parts of massage armchair and the distance proportion relation of articulated section set accordingly, and the back-rest of massage armchair inclines when lying or stand up, and can not encounter metope all the time, and the zero gravity realizing massage armchair inclines and to lie and massage armchair backrest zero puts function from wall.Drive the flexible rise of strut, can formulate according to design requirement, as long as make the back-rest of support portion be poured onto between 150 ° to 160 °, to meet the dorsal horn degree job requirement of lying of zero gravity state, all in protection domain of the present utility model.
Massage chair provided by the utility model is simple, and manufacturing process is easy, reasonable in design, safety, reliable and stable, and take up room less, manufacturing cost is lower, and this massage armchair can realize real zero from wall zero gravity functions.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the massage armchair original state that Fig. 1 provides for detailed description of the invention a kind of in this utility model;
Fig. 2 is the structural representation of the massage armchair fall-back state of Fig. 1;
Fig. 3 is the structural representation of base in Fig. 1;
Fig. 4 is the structural representation of support portion in Fig. 1;
Fig. 5 is the structural representation of curvilinear guide in Fig. 4;
Fig. 6 is the structural representation of rear rocker assembly in Fig. 1;
Fig. 7 is the structural representation of front rocker assembly in Fig. 1;
Fig. 8 is the structural representation driving strut in Fig. 1;
Fig. 9 is the massage armchair motion principle schematic diagram of Fig. 1.
In accompanying drawing, labelling is as follows:
After 1-base, 2-, before rocker assembly, 3-support portion, 4-, rocker assembly, 5-drive strut, 31-curvilinear guide, 01-first articulated section, 02-second articulated section, 03-the 3rd articulated section, 04-the 4th articulated section.
Detailed description of the invention
Core of the present utility model is to provide a kind of massage armchair, efficiently solves massage armchair application zero from problems such as wall or micro-stability of to put from wall in function technology, safety are poor.
Below in conjunction with the accompanying drawing in this utility model embodiment, be clearly and completely described the technical scheme in this utility model embodiment, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of this utility model protection.
Please refer to Fig. 1 to Fig. 9, the structural representation of the massage armchair original state that Fig. 1 provides for detailed description of the invention a kind of in this utility model; Fig. 2 is the structural representation of the massage armchair fall-back state of Fig. 1; Fig. 3 is the structural representation of base in Fig. 1; Fig. 4 is the structural representation of support portion in Fig. 1; Fig. 5 is the structural representation of curvilinear guide in Fig. 4; Fig. 6 is the structural representation of rear rocker assembly in Fig. 1; Fig. 7 is the structural representation of front rocker assembly in Fig. 1; Fig. 8 is the structural representation driving strut in Fig. 1; Fig. 9 is the massage armchair motion principle schematic diagram of Fig. 1.
In a kind of detailed description of the invention, massage armchair provided by the utility model, comprise base 1, support portion 3, front roll bar assembly, rear oscillating bar assembly and drive strut 5, base 1 is connected with rear oscillating bar assembly by front roll bar assembly with support portion 3.Base 1 front and rear is respectively arranged with one group of pin joint, and hinged with one end of front rocker assembly 4 and rear rocker assembly 2 respectively, two groups of pin joints are coaxially arranged usually; Also has the pin joint that hinged with driving strut 5.Upper and lower, support portion 3 is respectively arranged with one group of pin joint, and hinged with the other end of rear rocker assembly 2 and front rocker assembly 4 respectively, two groups of pin joints are coaxially arranged usually.The support bar two ends of front roll bar assembly and rear oscillating bar assembly both sides are respectively arranged with one group of pin joint hinged with base 1 and the pin joint hinged with support portion 3.
4th articulated section 04 of the 3rd articulated section 03 of the second articulated section 02 of the first articulated section 01 of the front portion of base 1 and the lower hinge of front roll bar assembly, the rear portion of base 1 and the lower hinge of rear oscillating bar assembly, the top of support portion 3 and the upper articulation of rear oscillating bar assembly, the bottom of support portion 3 and the upper articulation of front roll bar assembly, four articulated sections form four and connect endplay device, and namely four of the common composition of base 1, support portion 3, front rocker assembly 4 and rear rocker assembly 2 connect endplay device.
Drive one end and the base 1 of strut 5 hinged, the other end and front roll bar assembly or rear oscillating bar assembly hinged, with driving strut 5 hinged be active fork, another is driven fork.Driving strut 5 two ends are respectively arranged with the pin joint hinged with underframe and the pin joint base 1 hinged with drive crank, drive crank, driving strut 5 form stable triangular structure, for supporting four company's endplay devices, to ensure the stability of four company's endplay devices.Drive strut 5 to stretch, drive four to connect endplay device with this and rotate around jointed shaft, drive four to connect endplay device by driving strut 5 and move back and forth, realize inclining of support portion 3 and lie and move forward or reset.Drive the flexible rise of strut 5, can formulate according to design requirement, as long as make the back-rest of support portion 3 be poured onto between 150 ° to 160 °, to meet the dorsal horn degree job requirement of lying of zero gravity state, all in protection domain of the present utility model.
Massage armchair zero gravity zero is as follows from the incline process of lying of wall function reach:
When massage armchair is in initial placement state, namely rise back of the body state, base 1 horizontal positioned, on rear side of the back-rest upper end of support portion 3, position can be pasted wall and put, and drives strut 5 to be in maximum rise state.Under the support driving strut 5, the pin joint be hinged between base 1, initiatively fork and driving strut 5 forms stable triangular supports, stablizes and firmly supports and lock the four company's endplay devices formed by base 1, support portion 3, drive crank and driven rocking bar.
When driving strut 5 is started working, drive the distance between two pin joints on strut 5 constantly to shorten, drive strut 5 to drive drive crank to rotate clockwise around the second articulated section 02.Drive crank rotates clockwise drive four and connects endplay device motion, and drives driven rocking bar to rotate clockwise around the first articulated section 01 by the four connecting rod-support portions 3 connected in endplay device.Drive crank and driven rocking bar rotate clockwise simultaneously, the 3rd articulated section 03 of support portion 3 and drive crank and driven rocking bar with the 4th articulated section 04 also simultaneously along with drive crank rotates clockwise around the second articulated section 02 and the first articulated section 01 together with driven rocking bar.
3rd articulated section 03 and the 4th articulated section 04 are in the process rotated clockwise, and the displacement in the synchronous occurred level direction in the 3rd articulated section 03 and the 4th articulated section 04, realizes support portion 3 entirety and move forward.Simultaneously, the level height of the 3rd articulated section 03 and the 4th articulated section 04 constantly changes, difference in height also constantly changes, by the 3rd articulated section 03 during initial position higher than the 4th support portion, articulated section 04 3, difference in level reduces gradually, close, and along with drive crank continue rotate clockwise around the second articulated section 02, the 4th articulated section 04 finally exceeds the 3rd support portion, articulated section 03 3, and difference in height constantly increases, until drive strut 5 to stop driving drive crank to rotate clockwise.The turnover that difference in height between 3rd articulated section 03 and the 4th articulated section 04 constantly changes drive support portion 3 is lain.
To sum up, driving strut 5 to drive drive crank around rotating clockwise in process around the second articulated section 02, the action that the synchronous occurred level reach in the connecting rod-support portion 3 in four company's endplay devices and turnover are lain can be driven.Massage armchair is in and inclines when lying state, set the position of each parts in four company's endplay devices, size, proportionate relationship, can realize support portion 3 do reach turnover lie in process, meet zero gravity fall-back, namely support portion 3 back-rest straightway and horizontal plane angle remain on 150 ° ~ 160 °, and the back-rest that wall puts is pasted in support portion 3 can not touch metope all the time.
Otherwise when driving strut 5 to drive drive crank to do counter-clockwise swing around the second articulated section 02, drive crank drives four to connect endplay device and does homing action, namely support portion 3 is in and rises back of the body process, until drive strut 5 to be in maximum rise, massage armchair is reset to original state.
Massage chair provided by the utility model is simple, and manufacturing process is easy, reasonable in design, safety, reliable and stable, and take up room less, manufacturing cost is lower, and this massage armchair can realize real zero from wall zero gravity functions.
Above-mentioned massage armchair is only a kind of preferred version, specifically be not limited thereto, pointed adjustment can be made according to actual needs on this basis, thus obtaining different embodiments, the back-rest that support portion 3 comprises a portion and is connected with seat portion, seat portion and back-rest one link, seat portion is relative with the position of back-rest fixing, seat portion and back-rest position are relative motionless all the time, and structure is simple, are easy to realize rotating simultaneously.During original state, the angle of back-rest and horizontal plane is 115 ° ~ 125 °, and preferably, back-rest straightway and horizontal plane angle are set to 120 °, and human body is more comfortable on lying.
On the basis of above-mentioned detailed description of the invention, those skilled in the art can according to the difference of concrete occasion, some changes are carried out to massage armchair, inside, support portion 3 comprises the curvilinear guide 31 of supporting seat portion and back-rest, curvilinear guide 31 is symmetrical, curvilinear guide 31 meets body curve, attractive in appearance, comfortable.Supporting seat portion and back-rest, keep the shape of support portion 3, support portion 3 shape is fixed, and service life is longer.
Obviously, under the guidance of this thought, those skilled in the art can carry out some changes according to the difference of concrete occasion to the driving strut 5 in above-mentioned detailed description of the invention, drive strut 5 by Electronic control, convenient and swift, be easy to operation, certainly, Electronic control be one preferred embodiment, being not unique, also can be Non-follow control.Drive strut 5 one end and base 1 hinged, the other end and rear oscillating bar assembly hinged, also can with front roll bar member hinges, the concrete connected mode using which kind of form, can according to the different sets itself of concrete service condition, this utility model does not do further restriction to this.Drive the distance of two pin joints on strut 5 to change in the maximum rise driving strut 5, and can keep and be locked at any one position driven in strut 5 rise.
It needs to be noted, massage armchair provided by the utility model should not be restricted to this kind of situation, front roll bar assembly and rear oscillating bar assembly are H-shaped fork or I-shaped fork, H-shaped fork or I-shaped fork can guarantee support strength and the stability of four company's endplay devices, can also ensure the synchronicity that rocking bar moves.It should be noted that; H-shaped fork mentioned here or I-shaped fork be one preferred embodiment; be not unique, be not limited to H-shaped fork or I-shaped fork, the rocking bar of similar H-shaped or I-shaped shape is all within protection domain of the present utility model.Often pair of pin joint of front roll bar assembly and rear oscillating bar assembly is symmetrical, and namely the axis of the second articulated section 02 and the 3rd articulated section 03 is parallel to each other, and such as axial line distance is 385mm; The axis of the 4th articulated section 04 and the first articulated section 01 is parallel to each other, and such as axial line distance is 390mm.The axis being parallel of two pairs of pin joints and be arranged at the top and bottom of support bar respectively, be easy to connect, the utilization rate of front roll bar assembly and rear oscillating bar assembly is higher.
Massage armchair provided by the utility model, in the immovable situation of other parts, the distance of the axis of the first articulated section 01 of base 1 and the axis of the second articulated section 02 is 200mm ~ 600mm, and such as axial line distance is 415mm.In order to optimize technique scheme further, the axis of the first articulated section 01 of base 1 and the axis being parallel of the second articulated section 02, the first articulated section 01 is highly identical with the second articulated section 02, and structure is comparatively reasonable, is easy to support portion 3 level reach and turnover is lain.Certainly, first articulated section 01 just one highly identical with the second articulated section 02 preferred embodiment, be not limited thereto, first articulated section 01 highly also can not be identical with the second articulated section 02, the height of aspect ratio second articulated section 02 of such as the first articulated section 01 is low, the height of concrete first articulated section 01 and the second articulated section 02 does not do further restriction, can determine according to practical situations.
For the massage armchair in each embodiment above-mentioned, on the upside of the 3rd articulated section 03 of support portion 3 to support portion 3 axis of the distance of end and the 3rd articulated section 03 of support portion 3 to the distance proportion of the axis of the 4th articulated section 04 between 5:1 ~ 2.5:1.On the upside of 3rd articulated section 03 of such as support portion 3 to support portion 3, the distance of end is 860mm, and the axis of the 3rd articulated section 03 of support portion 3 is 270mm to the distance of the axis of the 4th articulated section 04.Preferably, during original state, the 3rd articulated section 03 of rear rocker assembly 2 and the line of the second articulated section 02 and the angle of horizontal plane are 110 ° ~ 80 °, are specifically as follows 95 °; 4th articulated section 04 of front rocker assembly 4 and the line of the first articulated section 01 and horizontal plane angle are 130 ° ~ 100 °, are specifically as follows 120 °.Preferably, during original state, the 3rd articulated section 03 of support portion 3 and the vertical drop of the 4th articulated section 04 are 0 ~ 80mm, and the level height between the 3rd articulated section 03 of such as support portion 3 and the 4th articulated section 04 exceeds 40mm.It should be noted that; in massage armchair, the position of each parts, size, proportionate relationship are not limited to this; as long as reasonable in design; meet and incline in the process of lying in support portion 3 reach; the job requirement that back-rest that wall puts can not touch metope is all the time pasted in support portion 3, all in protection domain of the present utility model.Because mode in the cards is more, just illustrate no longer one by one here.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses this utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a massage armchair, it is characterized in that, comprise base (1), support portion (3) and connect the front roll bar assembly of described base (1) and described support portion (3) and rear oscillating bar assembly, first articulated section (01) of the front portion of described base (1) and the lower hinge of described front roll bar assembly, second articulated section (02) of the rear portion of described base (1) and the lower hinge of described rear oscillating bar assembly, 3rd articulated section (03) of the top of described support portion (3) and the upper articulation of described rear oscillating bar assembly, 4th articulated section (04) of the bottom of described support portion (3) and the upper articulation of described front roll bar assembly forms four and connects endplay device,
Also comprise one end and described base (1) is hinged, the other end and described front roll bar assembly or the hinged driving strut (5) of described rear oscillating bar assembly, described driving strut (5) is flexible can be driven described four to connect endplay devices to rotate around jointed shaft.
2. massage armchair according to claim 1, is characterized in that, the back-rest that described support portion (3) comprise a portion and are connected with described seat portion, and described seat portion is relative with the position of described back-rest fixing; During original state, the angle of described back-rest and horizontal plane is 115 ° ~ 125 °.
3. massage armchair according to claim 2, is characterized in that, described support portion (3) inside comprises the curvilinear guide (31) supporting described seat portion and described back-rest, and described curvilinear guide (31) is symmetrical.
4. massage armchair according to claim 3, is characterized in that, described driving strut (5) by Electronic control, its one end and described base (1) hinged, the other end and described rear oscillating bar assembly hinged.
5. massage armchair according to claim 4, it is characterized in that, described front roll bar assembly and described rear oscillating bar assembly are H-shaped fork or I-shaped fork, often pair of pin joint of described front roll bar assembly and described rear oscillating bar assembly is symmetrical, the axis being parallel of two pairs of pin joints and be arranged at the top and bottom of support bar respectively.
6. the massage armchair according to any one of claim 1-5, is characterized in that, the axis of described first articulated section (01) of described base (1) and the distance of the axis of described second articulated section (02) are 200mm ~ 600mm.
7. massage armchair according to claim 6, it is characterized in that, the axis of described first articulated section (01) of described base (1) and the axis being parallel of described second articulated section (02), described first articulated section (01) is highly identical with described second articulated section (02).
8. massage armchair according to claim 7, it is characterized in that, described 3rd articulated section (03) of described support portion (3) to the axis of described support portion (3) upside distance of end and described 3rd articulated section (03) of described support portion (3) to the distance proportion of the axis of described 4th articulated section (04) between 1:5 ~ 1:2.5.
9. massage armchair according to claim 8, it is characterized in that, during original state, described 3rd articulated section (03) of described rear rocker assembly (2) and the line of described second articulated section (02) and the angle of horizontal plane are 110 ° ~ 80 °; Described 4th articulated section (04) of described front rocker assembly (4) and the line of described first articulated section (01) and horizontal plane angle are 130 ° ~ 100 °.
10. massage armchair according to claim 9, is characterized in that, during original state, described 3rd articulated section (03) of described support portion (3) and the vertical drop of the 4th articulated section (04) are 0 ~ 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615238.5U CN204863878U (en) | 2015-08-14 | 2015-08-14 | Messaging chairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615238.5U CN204863878U (en) | 2015-08-14 | 2015-08-14 | Messaging chairs |
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| Publication Number | Publication Date |
|---|---|
| CN204863878U true CN204863878U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520615238.5U Active CN204863878U (en) | 2015-08-14 | 2015-08-14 | Messaging chairs |
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| CN (1) | CN204863878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113925320A (en) * | 2020-07-13 | 2022-01-14 | 黄子源 | Method for improving use safety of comfortable chair |
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2015
- 2015-08-14 CN CN201520615238.5U patent/CN204863878U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113925320A (en) * | 2020-07-13 | 2022-01-14 | 黄子源 | Method for improving use safety of comfortable chair |
| CN113925320B (en) * | 2020-07-13 | 2024-02-13 | 黄子源 | Method for improving use safety of comfortable chair |
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