CN208002480U - A kind of head rest adjusting device with motor overload protection - Google Patents
A kind of head rest adjusting device with motor overload protection Download PDFInfo
- Publication number
- CN208002480U CN208002480U CN201720857047.9U CN201720857047U CN208002480U CN 208002480 U CN208002480 U CN 208002480U CN 201720857047 U CN201720857047 U CN 201720857047U CN 208002480 U CN208002480 U CN 208002480U
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- Prior art keywords
- motor
- overload protection
- cursor
- headrest
- linking arm
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model is related to the technical fields of furniture part; refer in particular to it is a kind of with motor overload protection head rest adjusting device, including supporting rod, be movably set in respectively supporting rod both ends headrest controlling mechanism and for drive headrest controlling mechanism move headrest driving mechanism；The headrest driving mechanism includes the pivot rods being connect with rotation arm component and the first straight line driving device for driving pivot rods to move；The first straight line driving device is the first electric pushrod; first electric pushrod includes first motor ontology, is slidably connected to the sliding block of first motor ontology and the motor overload protection device to first motor ontology progress overload protection; the first motor ontology is hinged with supporting rod, and the sliding block is hinged with pivot rods.The structure design of the utility model is simple, reasonable, ensure that the comfort of user, improves people's quality of the life, while improving the service life of the utility model again.
Description
Technical field
The utility model is related to the technical fields of furniture part, refer in particular to a kind of headrest tune with motor overload protection
Regulating device.
Background technology
Currently, sofa has become one of essential household goods in people's daily life, also sell on commission on the market
Various sofas have been sold, have each there is different design concepts, have made every effort to meet the needs of different clients.
All habitually head pad is leaned against on sofa however, common people are sitting on sofa, is designed in existing sofa design
There is the proprietary component leaned on for head pad, and the height and angle that head pad leans on generally drive the proprietary component to carry out using motor
It adjusts, but, in the burnout failure of motor, caused by 70% or more is the overload by motor, institute in existing sofa
The driving motor of installing is all without overload protection, to keep motor service life short, causes the maintenance rate of sofa high, user's body
It is poor to test sense.
Invention content
In order to overcome shortcoming and defect existing in the prior art, the purpose of this utility model is to provide a kind of letters of structure
Single, easy to control, energy effective protection motor head rest adjusting device.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：
A kind of head rest adjusting device with motor overload protection provided by the utility model, including supporting rod, live respectively
The dynamic headrest controlling mechanism for being set to supporting rod both ends and the headrest driving mechanism for driving headrest controlling mechanism movement；It is described
Headrest controlling mechanism include supporting rack, rotation arm component, connection arm assembly and headrest link, one end of support frame as described above with
Supporting rod is fixedly connected, and one end of the other end and rotation arm component of support frame as described above is hinged, described to rotate the another of arm component
End and one end of connection arm assembly are hinged, and the other end and headrest link of the connection arm assembly are hinged；The headrest driving
Mechanism includes the pivot rods being connect with rotation arm component and the first straight line driving device for driving pivot rods to move；It is described
First straight line driving device is the first electric pushrod, and first electric pushrod includes first motor ontology, is slidably connected to the
The sliding block of one motor body and the motor overload protection device that overload protection is carried out to first motor ontology, the first motor sheet
Body is hinged with supporting rod, and the sliding block is hinged with pivot rods.
Therein, the motor overload protection device includes sample circuit, sampled signal amplifying circuit, compares control electricity
Road, MCU control circuit and load driving circuits；The sample circuit is used to sample the level signal in electric motor loop, described
Sampled signal amplifying circuit the level signal that sample circuit samples is amplified processing；The comparison control circuit with
Sampled signal amplifying circuit connects, the reference level that comparison control circuit sets the level signal of amplification and comparison control circuit
It is compared, when the level signal of amplification is less than reference level, comparison control circuit no signal output, when the level of amplification is believed
Number be higher than reference level when, comparison control circuit outputs control signals to MCU control circuits；The MCU control circuits
It is connected with load driving circuits, the load driving circuits are connected with the circuit where first motor ontology；Described
After MCU control circuits receive the control signal of comparison control circuit output, control load driving circuits are acted, and are cut off
Ring current.
It is therein, the rotation arm component include the first cursor and the second cursor, the first of first cursor
End is articulated in the first pivoting portion of support frame as described above, and the first end of second cursor is articulated in the second pivot of support frame as described above
Socket part, second cursor are fixedly connected with pivot rods；The connection arm assembly includes the first linking arm and the second linking arm,
The connecting pin of first linking arm is articulated in the second end of first cursor, the interconnecting piece pivot joint of first linking arm
In the second end of second cursor, the connecting pin of second linking arm is articulated in the middle part of first cursor,
The interconnecting piece of second linking arm is articulated in the middle part of second cursor, the free end of first linking arm, institute
The free end for stating the second linking arm is pivotally connected with the headrest link respectively.
Further, first cursor is identical as the second cursor shape, the interconnecting piece and the connection
It is equipped with the first bending section between end, the second bending section, first linking arm are equipped between the interconnecting piece and the free end
The first bending section, second linking arm the separate direction setting towards each other of the first bending section, first linking arm
The second bending section separate direction setting towards each other of second bending section, second linking arm, all pivot joint axis are each other
It is arranged in parallel.
Further, the radius of curvature of second bending section is more than the radius of curvature of first bending section.
Further, the length of second bending section is more than the length of first bending section.
Therein, support frame as described above includes body part, first pivoting portion and second pivoting portion, the first pivoting portion, institute
Stating second pivoting portion, projection forms in the same direction from the body part.
Therein, which further includes bustle regulating mechanism, and the bustle regulating mechanism includes bustle connection
Frame, fixed seat, guide rod and the second straight line driving device for driving bustle link displacement, the fixed seat are installed in support
Bar, the guide rod are slidably connected to fixed seat, and one end of the guide rod is connect with bustle link, the second straight line driving dress
It sets and is installed on supporting rod.
Further, the second straight line driving device is the second electric pushrod, and second electric pushrod includes second
Motor body, the telescopic rod for being slidably connected to the second motor body and the motor overload that overload protection is carried out to the second motor body
Protective device, second motor body are articulated with supporting rod, and the telescopic rod is articulated with bustle link.
The beneficial effects of the utility model：
A kind of head rest adjusting device with motor overload protection provided by the utility model, user without pushing manually
Headrest controlling mechanism need to only drive headrest controlling mechanism fortune to carry out the adjusting of height and angle by first straight line driving device
Moving can be to its height and angle into accommodating, easy adjusting, and during being somebody's turn to do, motor overload protection device drives first straight line
The first motor ontology of dynamic device carries out overload protection, prevents motor from burning out.The structure design of the utility model is simple, reasonable,
It ensure that the comfort of user, improve people's quality of the life, while improving the service life of the utility model again.
Description of the drawings
Fig. 1 is the dimensional structure diagram of first use state of the utility model.
Fig. 2 is the dimensional structure diagram of second use state of the utility model.
Fig. 3 is another view stereo structural schematic diagram of the utility model.
Fig. 4 is the decomposition texture schematic diagram of the headrest controlling mechanism of the utility model.
Fig. 5 is the dimensional structure diagram of the supporting rack of the utility model.
Fig. 6 is the circuit theory schematic diagram of the motor overload protection device of the utility model.
Reference sign
1- headrest controlling mechanisms；11- supporting racks；12- rotates arm component；13- connection arm assemblies；14- headrest links；
111- first pivoting portions；112- second pivoting portions；113- body parts；The first cursors of 121-；1211- first ends；Among 1212-
Portion；1213- second ends；The second cursors of 122-；The first linking arms of 131-；The connecting pins 1311-；1312- interconnecting pieces；1313-
One bending section；The second bending sections 1314-；The free ends 1315-；The second linking arms of 132-；2- headrest driving mechanisms；21- pivot rods；
22- first straight line driving devices；221- first motor ontologies；222- sliding blocks；3- supporting rods；4- bustle regulating mechanisms；41- bustles
Link；42- fixed seats；43- guide rods；44- second straight line driving devices；The second motor bodies of 441-；442- telescopic rods；51-
Sample circuit；52- sampled signal amplifying circuits；53- comparison control circuits；54-MCU control circuits；55- load driving circuits.
Specific implementation mode
For the ease of the understanding of those skilled in the art, the utility model is made with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.The utility model is carried out below in conjunction with attached drawing
Detailed description.
As shown in Figures 1 to 5, a kind of head rest adjusting device with motor overload protection provided by the utility model, packet
It includes supporting rod 3, be movably set in the headrest controlling mechanism 1 at 3 both ends of supporting rod respectively and for driving headrest controlling mechanism 1 to move
Headrest driving mechanism 2；The headrest controlling mechanism 1 includes supporting rack 11, rotation arm component 12, connection arm assembly 13 and head
Link 14 is rested the head on, one end of support frame as described above 11 is fixedly connected with supporting rod 3, the other end and the cursor group of support frame as described above 11
One end of part 12 is hinged, and one end of the other end and connection arm assembly 13 of the rotation arm component 12 is hinged, the linking arm group
The other end of part 13 and headrest link 14 are hinged；The headrest driving mechanism 2 includes the pivot being connect with rotation arm component 12
Bar 21 and first straight line driving device 22 for driving 21 displacement of pivot rods.
In practical applications, user need to only start the driving pivot rods 21 of first straight line driving device 22 and move, pivot rods
21 mobile drive rotation arm component 12 rotates, and connection arm assembly 13 is under the drive of rotation arm component 12 to link 14 of resting the head on
Carry out the adjusting of height and angle.Whole process pushes headrest controlling mechanism 1 can be according to personal love manually without using person
Good and demand, height and angle to sofa headrest into accommodating, easy adjusting, the structure design of the utility model is simple,
Rationally, it ensure that the comfort of user, improve people's quality of the life.
In the present embodiment, referring to Fig. 2 and Fig. 3, the first straight line driving device 22 is the first electric pushrod, and first is electronic
Push rod is easily installed and uses, and does not generate waste liquid and exhaust gas, and noise is small.First electric pushrod includes first motor ontology
221, the motor overload for sliding on the sliding block 222 of first motor ontology 221 and carrying out overload protection to first motor ontology 221 is protected
Protection unit, the first motor ontology 221 is hinged with supporting rod 3, and the sliding block 222 is hinged with pivot rods 21.At work,
One motor body 221 drives 222 displacement of sliding block, the sliding of sliding block 222 that pivot rods 21 is driven to move, and pivot rods 21 are in moving process
In give 122 thrust of the second cursor, to realize headrest controlling mechanism 1 height and angle variation, the structure control is convenient,
Stable and reliable operation.In this process, motor overload protection device carries out the first motor ontology of first straight line driving device
Overload protection prevents motor from burning out, to improve the service life of the utility model.
In the present embodiment, as shown in fig. 6, the motor overload protection device includes sample circuit 51, sampled signal amplification
Circuit 52, comparison control circuit 53, MCU control circuit 54 and load driving circuits 55；The sample circuit 51 is for sampling
Level signal in 121 circuit of motor, the level signal that the sampled signal amplifying circuit 52 samples sample circuit 51 into
Row enhanced processing；The comparison control circuit 53 is connect with sampled signal amplifying circuit 52, and comparison control circuit 53 will amplify
Level signal be compared with the reference level that comparison control circuit 53 is set, when amplification level signal be less than reference level
When, the output of 53 no signal of comparison control circuit, when the level signal of amplification is higher than reference level, comparison control circuit 53 exports
Signal is controlled to MCU control circuit 54；The MCU control circuit 54 is connected with load driving circuits 55, the load
Driving circuit 55 is connected with the circuit where first motor ontology 221；The MCU control circuit 54, which receives, compares control
After the control signal that circuit 53 processed exports, control load driving circuits 55 are acted, cut-off loop power supply.
The motor overload protection device operation principle is：Since MCU control circuit 54 does not receive comparison control circuit 53
Signal is controlled, control load driving circuits 55 are without any action, 121 normal operation of motor, when MCU control circuit 54 connects
When receiving the control signal of the output of comparison control circuit 53 more than certain value, control load driving circuits 55 are acted, and are cut off
Motor power circuit prevents motor to be in overload for a long time, it is therefore prevented that motor burnout failure in this way.
In the present embodiment, referring to Fig. 1 and Fig. 2, the rotation arm component 12 includes the first cursor 121 and the second cursor
122, the first end 1211 of first cursor 121 is articulated in the first pivoting portion 111 of support frame as described above 11, described second turn
The first end 1211 of swing arm 122 is articulated in the second pivoting portion 112 of support frame as described above 11, second cursor 122 and pivot
Bar 21 is fixedly connected；The connection arm assembly 13 includes the first linking arm 131 and the second linking arm 132, first linking arm
131 connecting pin 1311 is articulated in the second end 1213 of first cursor 121, the interconnecting piece of first linking arm 131
1312 are articulated in the second end 1213 of second cursor 122, and the connecting pin 1311 of second linking arm 132 is articulated in institute
The middle part 1212 of the first cursor 121 is stated, the interconnecting piece 1312 of second linking arm 132 is articulated in second cursor
122 middle part 1212, the free end of first linking arm 131, second linking arm 132 free end 1315 respectively with
The headrest link 14 is pivotally connected.
In practical applications, starting first straight line driving device 22 drives pivot rods 21 to move, the movement pair of pivot rods 21
Second cursor 122 applies upward thrust so that second cursor 122 is upward around the second pivoting portion 112
Rotation drives and turns upwards with first linking arm 131 of second cursor 122 pivot joint, second linking arm 132
It is dynamic, then drive with first linking arm 131, second linking arm 132 pivot joint first cursor 121 around described the
Two articulated sections 112 are rotated up, and realize the adjusting of the angle and height of the board, and then are driven and be fixed on the headrest company
The headrest connect on frame 14 changes angle and height, realizes from from Fig. 1 state transformations to Fig. 2 states；Conversely, first straight line driving dress
It sets 22 driving pivot rods 21 back to move, pivot rods 21 just apply downward thrust to second cursor 122, realize headrest
The back adjusting or reset of position angle and height are realized from from Fig. 2 state transformations to Fig. 1 states；When the angle of the headrest
When being highly adjusted to suitable position, stop the driving of first straight line driving device 22, to stop pivot rods 21 to described the
Two cursors 122 apply upward thrust.
In the present embodiment, referring to Fig. 4, first cursor 121 is identical as 122 shape of the second cursor, passes through
One set of die is process, and on the one hand can reduce the processing cost for needing two molds originally, and another party can carry
The speed of production of high part, and then improve production efficiency.
Referring to Fig. 4, the utility model in an assembling process, first linking arm 131 and 132 phase of the second linking arm
To setting, between the interconnecting piece 1312 and the connecting pin 1311 be equipped with the first bending section 1313, the interconnecting piece 1312 with
The second bending section 1314, the first bending section 1313 of first linking arm 131, described the are equipped between the free end 1315
The separate direction setting towards each other of first bending section 1313 of two linking arms 132, the second bending section of first linking arm 131
1314, the second bending section 1314 of second linking arm 132 separate direction setting towards each other, all pivot joint axis are each other
It is arranged in parallel, in rotation process, which can prevent first linking arm 131, second linking arm 132 from turning because occurring
Dynamic smaller angle and height and stuck phenomenon, i.e., described first linking arm 131, second linking arm 132 just turn over compared with
Small angle and height cannot just rotate due to first linking arm 131 and second linking arm 132 interfere with each other.
Specifically, the radius of curvature of second bending section 1314 is more than the radius of curvature of first bending section 1313,
The length of second bending section 1314 is more than the length of first bending section 1313, so set, headrest controlling mechanism 1 exists
In rotation process, first bending section 1313 turns over smaller angle and height, and second bending section 1314 can correspond to
Larger angle and height are turned over, adequately headrest adjustment space is provided for user.
In the present embodiment, referring to Fig. 5, support frame as described above 11 includes body part 113, the first pivoting portion 111 and described
Second pivoting portion 112, the first pivoting portion 111, the second pivoting portion 112 are dashed forward in the same direction from the body part 113
It stretches.To ensure that it is described that first cursor 121, second cursor 122 will not collide in rotation process
Body part 113 can also prevent from generating larger frictional force because contact area is big in rotation process, to avoid the headrest from adjusting
Section mechanism 1 rotates difficult problem.
In the present embodiment, referring to Fig. 2, which further includes bustle regulating mechanism 4, and the bustle adjusts machine
Structure 4 includes bustle link 41, fixed seat 42, guide rod 43 and is filled for driving the second straight line of 41 displacement of bustle link to drive
44 are set, the fixed seat 42 is installed in supporting rod 3, and the guide rod 43 is slidably connected to fixed seat 42, one end of the guide rod 43
It is connect with bustle link 41, the second straight line driving device 44 is installed on supporting rod 3.Specifically, the second straight line is driven
Dynamic device 44 is the second electric pushrod, and second electric pushrod is including the second motor body 441 and is slidably connected to the second electricity
The telescopic rod 442 of machine ontology 441, second motor body 441 are articulated with supporting rod 3, and the telescopic rod 442 is articulated with bustle
Link 41.The utility model can also be by 442 telescopic movable of telescopic rod of the second electric pushrod, to drive bustle link
41 movements allow the utility model can be according to everyone body to drive the bustle being installed on bustle link 41 movement
Material and adjust most suitable sitting posture, to ensure that user obtains best comfort, improve the quality of the life of user.
In the present embodiment, second electric pushrod further includes the motor that overload protection is carried out to the second motor body 441
Overload protection arrangement, structure and principle with it is above-mentioned, repeat no more herein.
The above is only the utility model preferred embodiment, is not made in any form to the utility model
Limitation, although the utility model is disclosed as above with preferred embodiment, is not limited to the utility model, any to be familiar with sheet
Technical professional is not departing within the scope of technical solutions of the utility model, is made when using the technology contents of the disclosure above
A little change or the equivalent embodiment for being modified to equivalent variations, as long as being without departing from the content of the technical scheme of the utility model, foundation
The utility model technology refers to belonging to this practicality to any simple modification, equivalent change and modification made by above example
In the range of new technique scheme.
Claims (9)
1. a kind of head rest adjusting device with motor overload protection, it is characterised in that：Including supporting rod（3）, respectively activity set
It is placed in supporting rod（3）The headrest controlling mechanism at both ends（1）And for driving headrest controlling mechanism（1）The headrest driving mechanism of movement
（2）；
The headrest controlling mechanism（1）Including supporting rack（11）, rotation arm component（12）, connection arm assembly（13）And headrest connects
Connect frame（14）, support frame as described above（11）One end and supporting rod（3）It is fixedly connected, support frame as described above（11）The other end and rotation
Arm component（12）One end it is hinged, the rotation arm component（12）The other end and connection arm assembly（13）One end it is hinged, institute
State connection arm assembly（13）The other end with headrest link（14）It is hinged；
The headrest driving mechanism（2）Including with rotation arm component（12）The pivot rods of connection（21）And for driving pivot rods
（21）Mobile first straight line driving device（22）；
The first straight line driving device（22）For the first electric pushrod, first electric pushrod includes first motor ontology
（221）, be slidably connected to first motor ontology（221）Sliding block（222）With to first motor ontology（221）Carry out overload protection
Motor overload protection device, the first motor ontology（221）With supporting rod（3）It is hinged, the sliding block（222）With pivot rods
（21）It is hinged.
2. according to a kind of head rest adjusting device with motor overload protection described in claim 1, it is characterised in that：It is described
Motor overload protection device includes sample circuit（51）, sampled signal amplifying circuit（52）, comparison control circuit（53）, MCU control
Circuit processed（54）And load driving circuits（55）；
The sample circuit（51）For sampling motor（121）Level signal in circuit, sampled signal amplification electricity
Road（52）By sample circuit（51）The level signal of sampling is amplified processing；The comparison control circuit（53）With sampling
Signal amplification circuit（52）Connection, comparison control circuit（53）By the level signal and comparison control circuit of amplification（53）Setting
Reference level is compared, when the level signal of amplification is less than reference level, comparison control circuit（53）No signal exports, when
When the level signal of amplification is higher than reference level, comparison control circuit（53）Output control signals to MCU control circuits；
The MCU control circuits and load driving circuits（55）It is connected, the load driving circuits（55）With the first electricity
Machine ontology（221）The circuit at place is connected；
The MCU control circuits receive comparison control circuit（53）After the control signal of output, control load driving electricity
Road（55）It is acted, cut-off loop power supply.
3. according to a kind of head rest adjusting device with motor overload protection described in claim 1, it is characterised in that：It is described
Rotate arm component（12）Including the first cursor（121）With the second cursor（122）, first cursor（121）First
End（1211）It is articulated in support frame as described above（11）First pivoting portion（111）, second cursor（122）First end
（1211）It is articulated in support frame as described above（11）Second pivoting portion（112）, second cursor（122）With pivot rods（21）Gu
Fixed connection；
The connection arm assembly（13）Including the first linking arm（131）With the second linking arm, first linking arm（131）Company
Connect end（1311）It is articulated in first cursor（121）Second end（1213）, first linking arm（131）Interconnecting piece
（1312）It is articulated in second cursor（122）Second end（1213）, the connecting pin of second linking arm（1311）Pivot
It is connected to first cursor（121）Middle part（1212）, the interconnecting piece of second linking arm（1312）It is articulated in described
Second cursor（122）Middle part（1212）, first linking arm（131）Free end, second linking arm from
By hold respectively with the headrest link（14）Pivot joint.
4. according to a kind of head rest adjusting device with motor overload protection described in claim 3, it is characterised in that：It is described
First cursor（121）With second cursor（122）Shape is identical, the interconnecting piece（1312）With the connecting pin
（1311）Between be equipped with the first bending section（1313）, the interconnecting piece（1312）The second bending section is equipped between the free end
（1314）, first linking arm（131）The first bending section（1313）, second linking arm the first bending section（1313）
Separate direction setting towards each other, first linking arm（131）The second bending section（1314）, second linking arm
Two bending sections（1314）The setting of separate direction, all pivot joint axis are set parallel to each other towards each other.
5. according to a kind of head rest adjusting device with motor overload protection described in claim 4, it is characterised in that：It is described
Second bending section（1314）Radius of curvature be more than first bending section（1313）Radius of curvature.
6. according to a kind of head rest adjusting device with motor overload protection described in claim 5, it is characterised in that：It is described
Second bending section（1314）Length be more than first bending section（1313）Length.
7. according to a kind of head rest adjusting device with motor overload protection described in claim 1, it is characterised in that：It is described
Supporting rack（11）Including body part（113）, first pivoting portion（111）And second pivoting portion（112）, the first pivoting portion
（111）, the second pivoting portion（112）From the body part（113）Projection forms in the same direction.
8. according to a kind of head rest adjusting device with motor overload protection described in claim 1, it is characterised in that：The head
Rest the head on regulating mechanism（1）It further include bustle regulating mechanism（4）, the bustle regulating mechanism（4）Including bustle link（41）, it is fixed
Seat（42）, guide rod（43）And for driving bustle link（41）The second straight line driving device of displacement（44）, the fixed seat
（42）It is installed in supporting rod（3）, the guide rod（43）It is slidably connected to fixed seat（42）, the guide rod（43）One end and bustle
Link（41）Connection, the second straight line driving device（44）It is installed on supporting rod（3）.
9. according to a kind of head rest adjusting device with motor overload protection described in claim 8, it is characterised in that：It is described
Second straight line driving device（44）For the second electric pushrod, second electric pushrod includes the second motor body（441）, sliding
It is connected to the second motor body（441）Telescopic rod（442）With to the second motor body（441）Carry out the motor mistake of overload protection
Carry protective device, second motor body（441）It is articulated with supporting rod（3）, the telescopic rod（442）It is articulated with bustle connection
Frame（41）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720857047.9U CN208002480U (en) | 2017-07-14 | 2017-07-14 | A kind of head rest adjusting device with motor overload protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720857047.9U CN208002480U (en) | 2017-07-14 | 2017-07-14 | A kind of head rest adjusting device with motor overload protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208002480U true CN208002480U (en) | 2018-10-26 |
Family
ID=63880360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720857047.9U Active CN208002480U (en) | 2017-07-14 | 2017-07-14 | A kind of head rest adjusting device with motor overload protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208002480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109588901A (en) * | 2018-12-27 | 2019-04-09 | 锐迈机械科技（吴江）有限公司 | Sofa headrest adjusting device and sofa thereof |
-
2017
- 2017-07-14 CN CN201720857047.9U patent/CN208002480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109588901A (en) * | 2018-12-27 | 2019-04-09 | 锐迈机械科技（吴江）有限公司 | Sofa headrest adjusting device and sofa thereof |
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Effective date of registration: 20230222 Address after: 511300 North side of Shisan Road, Shangtang Village, Shitan Town, Zengcheng District, Guangzhou City, Guangdong Province (plant B2) 103 Patentee after: Guangdong Jieke Smart Home Co.,Ltd. Address before: 523000 No.8, Wangyuan Road, Yanwu village, Dalingshan Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN JACKWELL HARDWARE Co.,Ltd. |