CN212650626U - Headrest adjusting device - Google Patents
Headrest adjusting device Download PDFInfo
- Publication number
- CN212650626U CN212650626U CN202020005838.0U CN202020005838U CN212650626U CN 212650626 U CN212650626 U CN 212650626U CN 202020005838 U CN202020005838 U CN 202020005838U CN 212650626 U CN212650626 U CN 212650626U
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- CN
- China
- Prior art keywords
- movable
- lifting
- chute
- guide
- arm
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000007306 turnover Effects 0.000 claims abstract description 10
- 230000003028 elevating effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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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
Abstract
The utility model provides a head rest adjusting device, which comprises a base, a driving mechanism and a lifting rod, wherein the driving mechanism is arranged on the base and drives the lifting rod to move, two ends of the lifting rod are provided with movable mechanisms, each movable mechanism comprises a movable arm and a movable frame, the movable frames are fixed on the base, the movable arms are movably arranged on the movable frames, the movable frames are provided with lifting guide parts for lifting the movable arms, the movable arms are provided with at least two movable parts matched with the lifting guide parts, the movable parts are arranged on the lifting guide parts, one side of the lifting guide parts extends out to form a turnover guide part, when the movable part at the upper part of the movable arm moves upwards to a corresponding position, the movable part at the lower part of the movable arm is matched with the overturning guide part and moves to one side of the lifting guide part along the overturning guide part, so that the movable arm overturns. The utility model discloses can stably realize leaning on the lift and the angular adjustment of head, simple structure, low in production cost.
Description
Technical Field
The utility model belongs to the technical field of the seat and specifically relates to a lean on head adjusting device is related to.
Background
Sofas and seats are used in various facilities in addition to daily home use, and various seats are used in automobiles, trains or planes in vehicles. The seat with the angle adjusting function by leaning on the head is more and more popular because the seat can adapt to the use requirements of different users and the use experience of the users is greatly improved. Most of the existing seat headrest angle adjusting mechanisms are not convenient to adjust, and the other part can meet the requirement of convenient adjustment, but the structure of the seat headrest angle adjusting mechanism is very complex, and the requirement of long-term stable and reliable operation cannot be met. There is a need for a headrest adjusting mechanism that has a simple structure, is reliable in operation, and is convenient for adjusting the backrest.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a headrest adjusting device with a simple structure.
For solving the technical problem, the utility model discloses following technical scheme has been taken:
the utility model provides a lean on head adjusting device, includes base, actuating mechanism and lifter, actuating mechanism installs on the base, drive the lifter activity, the both ends of lifter are provided with the moving mechanism, the moving mechanism includes digging arm and adjustable shelf, the adjustable shelf is fixed in on the base, the digging arm movably install in on the adjustable shelf, be provided with on the adjustable shelf and supply the lift guide part that the digging arm goes up and down, be provided with on the digging arm at least two with lift guide part matched with movable part, movable part install in the lift guide part, one side of lift guide part extends there is upset guide part, and when the movable part on digging arm upper portion removed to relevant position, the movable part of digging arm lower part with the upset guide part corresponds, can move to one side of lift guide part along upset guide part, The movable arm is turned over.
Furthermore, the headrest adjusting device is characterized in that the lifting guide component is a lifting chute, the overturning guide component is an overturning chute, and the movable component is a sliding pin.
Furthermore, the driving mechanism of the headrest adjusting device comprises a guide rod and a sliding block, the guide rod is hinged to the base, the sliding block is arranged on the guide rod and slides along the guide rod, and the sliding block is hinged to the lifting rod.
Furthermore, the head rest adjusting device, the driving mechanism further comprises a driving motor, and the driving motor drives the sliding block to move up and down along the guide rod.
Further, in the headrest adjusting device, the tilting chute is a part of an arc formed by taking the position of the top end as the center of a circle and taking the distance between the sliding pin on the upper portion of the movable arm and the sliding pin on the lower portion of the movable arm as a radius when the sliding pin on the upper portion of the movable arm moves to the topmost end of the lifting chute.
Further, the headrest adjusting device, the lifting chute comprises a first lifting chute and a second lifting chute, the first lifting chute and the second lifting chute are collinear, and the overturning chute is located on one side of the second lifting chute.
Furthermore, the head rest adjusting device comprises two sliding pins, one sliding pin is arranged in the first sliding groove, and the other sliding pin is arranged in the second sliding groove.
Furthermore, the first sliding groove and the second sliding groove of the headrest adjusting device are the same in length.
Further, the head rest adjusting device, the upset spout is located the upper end of second lift spout and both communicate.
Furthermore, the connection part of the turnover chute and the second lifting chute is in fillet transition arrangement by the head adjusting device.
Specifically, in the headrest adjusting device, the fixed connection position of the lifting rod and the movable arm is located between two sliding pins.
Compared with the prior art, the utility model provides a headrest adjusting device, which comprises a base, a driving mechanism and a lifting rod, wherein the driving mechanism is arranged on the base and drives the lifting rod to move, the two ends of the lifting rod are provided with movable mechanisms, each movable mechanism comprises a movable arm and a movable frame, the movable frame is fixed on the base, the movable arm is movably arranged on the movable frame, the movable frame is provided with a lifting guide part for lifting the movable arm, the movable arm is provided with at least two movable parts matched with the lifting guide part, the movable part is arranged on the lifting guide part, one side of the lifting guide part is extended with a turnover guide part, when the movable part on the upper part of the movable arm moves upwards to a corresponding position, the movable part on the lower part of the movable arm is matched with the turnover guide part and moves to one side of the lifting guide part along the turnover guide part, thereby causing the moveable arm to flip. The utility model discloses can stably realize leaning on the lift and the angular adjustment of head, simple structure, manufacturing cost is lower.
Drawings
Fig. 1 is a schematic structural view of a headrest adjusting device according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a headrest adjusting device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
As shown in fig. 1, the present invention provides a headrest adjusting device, which comprises a base 1, a driving mechanism and a lifting rod 4, wherein the driving mechanism (not numbered) is installed on the base 1 to drive the lifting rod 4 to move, two ends of the lifting rod 4 are provided with a movable mechanism 5, the movable mechanism 5 comprises a movable arm 51 and a movable frame 52, the movable frame 52 is fixed on the base 1, the movable arm 51 is movably installed on the movable frame 52, the movable frame 52 is provided with a lifting guide part 521 for lifting the movable arm 51, the movable arm 51 is provided with at least two movable parts 511 matching with the lifting guide part 521, the movable part 511 is installed in the lifting guide part 521, a turning guide part 522 extends from one side of the lifting guide part 521, when the movable part 511 on the upper part of the movable arm 51 moves upwards to a corresponding position, the movable part 511 at the lower portion of the movable arm 51 is engaged with the turn-over guide 522 and moved toward one side of the elevation guide 521 along the turn-over guide 522, thereby turning over the movable arm 51. The headrest is mounted on the movable arm 51, when the movable part 511 at the bottom is located at the bottommost end of the lifting guide part 521, the headrest is located at the lowest position, at this time, the driving mechanism can drive the lifting rod 4 to ascend, so that the movable arm 51 can ascend along the lifting guide part 521 of the movable frame 52 through the movable part 511, when the movable part 511 at the uppermost part on the movable arm 51 ascends to the top end of the lifting guide part 521, the movable part 511 at the lower part of the movable arm 51 is just at the entrance position of the overturning guide part 522, at this time, the movable arm 51 can not ascend any more, the movable part 511 at the upper part and the lower part of the movable arm 51 moves along the overturning guide part 522, so that the movable arm 51 overturns, and the headrest is mounted on the movable arm 51, so that the.
Further, the utility model provides a lean on head adjusting device, lift guide member 521 is lift spout 521, upset guide member 522 is upset spout 522, movable part 511 is sliding pin 511. The driving mechanism comprises a guide rod 2 and a slide block 3, the guide rod 2 is hinged to the base 1, the slide block 3 is arranged on the guide rod 2 and slides along the guide rod 2, the slide block 3 is hinged to one side of the lifting rod 4, the vertical lifting guide of the lifting chute 521 and the guide of the guide rod 2 are at a certain angle (namely the guide rod 2 and the movable frame 52 are not parallel), when the movable arm 51 enters the overturning position, under the continuous movement of the slide block 3, the corresponding sliding pin 511 can naturally enter the overturning chute 522, and when the movable arm 51 overturns, the included angle between the guide rod 2 and the movable frame 52 can be further increased.
Further, the utility model provides a lean on head adjusting device, actuating mechanism still includes driving motor 6, driving motor 6 drive slider 3 is followed guide arm 2 reciprocates, generally adopts step motor to carry out drive control here. When the driving motor 6 drives the slider 3 to ascend along the guide rail, the lifting rod 4 drives the movable arm 51 to move upwards along the lifting chute 521 of the movable frame 52, when the sliding pin 511 at the uppermost part of the movable arm 51 ascends to the top end of the lifting chute 521, the slider 3 continuously ascends to drive the movable arm 51 to overturn along the overturning chute 522, meanwhile, the lifting rod 4 and the slider 3 rotate relatively, and the included angle between the guide rod 2 and the movable frame 52 begins to increase, so that the head is lifted and leaned backwards. The process of resetting the headrest is the reverse process of the above process, and need not be described herein.
Further, the utility model provides a lean on head adjusting device, upset spout 522 does the sliding pin 511 on digging arm 51 upper portion moves to use this top position as the centre of a circle, with during the topmost of lift spout 521 the sliding pin on digging arm 51 upper portion arrives the distance between the sliding pin of digging arm 51 lower part is the partly of the circular arc that the radius formed to guarantee stability and the smoothness nature that digging arm 51 overturned.
As shown in fig. 2, in another embodiment of the present invention, the lifting sliding groove 521 may only be a whole one, and the turning sliding groove 522 is used as a middle branch, preferably, please refer to fig. 1, in the headrest adjusting device according to an embodiment of the present invention, the lifting sliding groove 521 includes a first lifting sliding groove 5211 and a second lifting sliding groove 5212, the first lifting sliding groove 5211 and the second lifting sliding groove 5212 are collinear, and the turning sliding groove 522 is located on one side of the second lifting sliding groove 5212, so as to further ensure the stability of the lifting and turning of the movable arm 51 and the smoothness of the operation, and prevent the movable arm from being stuck.
Further, in the head rest adjusting device of the present invention, the number of the sliding pins 511 is two, one sliding pin 511 is installed in the first elevating chute 5211, and the other sliding pin 511 is installed in the second elevating chute 5212. Of course, in other embodiments, there may be more sliding pins 511, and correspondingly, there may be more overturning chutes 522, which may result in higher production cost.
Further, the utility model provides a lean on head adjusting device, first lift spout 5211 is the same with second lift spout 5212's length, guarantees that the distance of going up and down equals.
Further, the utility model provides a headrest adjusting device, upset spout 522 is located the upper end of second lift spout 5212 and both communicate, form a "L" shape similar to the upset.
Further, the utility model provides a lean on head adjusting device, upset spout 522 with the intercommunication department of second lift spout 5212 adopts fillet transition setting to fluency when further guaranteeing the upset.
Specifically, the utility model provides a lean on head adjusting device, lifter 4 with the fixed connection department of digging arm 51 is located between two sliding pin 511 to promote under the circumstances of guaranteeing sufficient structural strength.
In summary, the utility model provides a headrest adjusting device, when the sliding pin at the bottom is located at the bottom of the lifting guide component, the headrest is at the lowest position, at this time, the driving mechanism can drive the lifting rod to rise, when the driving motor drives the slide block to rise along the guide rail, the lifting rod drives the movable arm to move upwards along the lifting guide part of the movable frame, when the sliding pin at the upper most part of the movable arm rises to the top end of the lifting guide part, the sliding pin at the lower part of the movable arm is just at the inlet position of the overturning guide part, at the moment, the movable arm can not rise any more, the slide block continues to rise, the movable arm is driven to overturn along the overturning guide part, the sliding pin at the upper and lower parts of the movable arm moves along the overturning guide part, meanwhile, the lifting rod and the sliding block rotate relatively, and the included angle between the guide rod and the movable frame begins to increase, so that the leaning head rises and leans backwards. The utility model discloses can stably realize leaning on the lift and the angular adjustment of head, simple structure, manufacturing cost is lower.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (10)
1. A headrest adjusting device is characterized by comprising a base, a driving mechanism and a lifting rod, wherein the driving mechanism is arranged on the base and drives the lifting rod to move, movable mechanisms are arranged at two ends of the lifting rod and comprise a movable arm and a movable frame, the movable frame is fixed on the base, the movable arm is movably arranged on the movable frame, a lifting guide part for lifting the movable arm is arranged on the movable frame, at least two movable parts matched with the lifting guide part are arranged on the movable arm, the movable part is arranged on the lifting guide part, a turnover guide part extends out of one side of the lifting guide part, when the movable part at the upper part of the movable arm moves upwards to a corresponding position, the movable part at the lower part of the movable arm is matched with the turnover guide part and moves to one side of the lifting guide part along the turnover guide part, thereby causing the moveable arm to flip.
2. The headrest adjusting apparatus according to claim 1, wherein the elevation guide member is an elevation chute, the tilt guide member is a tilt chute, and the movable member is a slide pin.
3. The headrest adjusting apparatus according to claim 2, wherein the driving mechanism includes a guide rod and a slider, the guide rod is hinged to the base, the slider is mounted on the guide rod and slides along the guide rod, and the slider is hinged to the lifting rod.
4. The head rest adjustment device of claim 3, wherein the drive mechanism further comprises a drive motor that drives the slider up and down along the guide bar.
5. The headrest adjusting apparatus according to claim 4, wherein the tilt chute is a portion of an arc formed by a radius from a position of a top end of the lifting chute as a center of a circle and a distance from the movable pin of the upper portion of the movable arm to the movable pin of the lower portion of the movable arm when the slide pin of the upper portion of the movable arm travels to the top end of the lifting chute.
6. The headrest adjusting apparatus according to claim 5, wherein the lifting chute includes a first lifting chute and a second lifting chute, the first lifting chute and the second lifting chute being collinear, the roll-over chute being located to one side of the second lifting chute.
7. The headrest adjusting apparatus as claimed in claim 6, wherein the number of the sliding pins is two, one sliding pin is installed in the first elevating sliding slot, and the other sliding pin is installed in the second elevating sliding slot.
8. The headrest adjusting device as claimed in claim 7, wherein the tilting chute is provided at an upper end of the second elevating chute and is communicated with the second elevating chute.
9. The headrest adjusting device as claimed in claim 8, wherein the connection between the tilting chute and the second lifting chute is formed by a rounded transition.
10. The headrest adjustment device of claim 9, wherein the fixed connection of the lifter bar to the moveable arm is between two sliding pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020005838.0U CN212650626U (en) | 2020-01-03 | 2020-01-03 | Headrest adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020005838.0U CN212650626U (en) | 2020-01-03 | 2020-01-03 | Headrest adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212650626U true CN212650626U (en) | 2021-03-05 |
Family
ID=74766560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020005838.0U Expired - Fee Related CN212650626U (en) | 2020-01-03 | 2020-01-03 | Headrest adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212650626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009999A (en) * | 2021-11-17 | 2022-02-08 | 锐迈机械科技（吴江）有限公司 | Sliding turnover mechanism, headrest adjusting device and headrest support |
-
2020
- 2020-01-03 CN CN202020005838.0U patent/CN212650626U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009999A (en) * | 2021-11-17 | 2022-02-08 | 锐迈机械科技（吴江）有限公司 | Sliding turnover mechanism, headrest adjusting device and headrest support |
| CN114009999B (en) * | 2021-11-17 | 2024-04-26 | 锐迈科技股份有限公司 | Sliding turnover mechanism, headrest adjusting device and headrest support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210305 |