CN106976419B - Adjusting locking mechanism of seat headrest - Google Patents
Adjusting locking mechanism of seat headrest Download PDFInfo
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- CN106976419B CN106976419B CN201710169386.2A CN201710169386A CN106976419B CN 106976419 B CN106976419 B CN 106976419B CN 201710169386 A CN201710169386 A CN 201710169386A CN 106976419 B CN106976419 B CN 106976419B
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- rotating shaft
- groove
- support body
- clamping column
- rotating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/865—Head-rests movable or adjustable providing a fore-and-aft movement with respect to the occupant's head
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model provides an adjustment latched device of seat head rest, rotates piece including adjusting latch fitting support, screens post, return spring, axis of rotation and return, it includes support body and boss to adjust the latch fitting support, the boss is located the front side and the vertical arrangement of support body are at the middle part, the bar groove and the head rest fixed connection that backrest was passed to the front end of boss, the upper portion of the leading flank of support body is opened along left right direction has screens post mounting groove, still be equipped with the spring mounting hole on the support body, the spring mounting hole with the middle part intercommunication of screens post mounting groove, the trailing flank of boss is opened on the position that corresponds with screens post mounting groove and is slotted, the fluting with screens post mounting groove intercommunication forms screens post front and back sliding tray, gliding installation is in screens post front and back sliding tray around the screens post. The invention provides an adjusting locking mechanism of a seat headrest, which is labor-saving and convenient to operate.
Description
Technical Field
The invention relates to a seat, in particular to an adjusting and locking mechanism of a headrest of the seat.
Background
The height adjustment of the headrest is performed by adopting a compression spring hard top buckle mode, and has two defects, namely, the force of a compression spring is completely adjusted by the force of fingers, the adjustment force is too large, and the direction of the force is transverse; secondly, the headrest is adjusted vertically, and the finger of itself is buckled compression spring and is just very hard and the direction of force is horizontal fore-and-aft, still need carry out vertical regulation with the dynamics at present and adjust from top to bottom, and is very unreasonable in the direction of force and operation, and the simple design of assembly relation is nevertheless unreasonable, can not the unit test, and the assembly difficulty can only be tested after accomplishing with the assembly of monolith support, can not reach humanized operation, also more complicated.
Disclosure of Invention
In order to overcome the defect that the existing headrest adjusting device is labor-consuming to operate, the invention provides the adjusting and locking mechanism of the headrest of the seat, which is labor-saving and convenient to operate.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an adjustment latch mechanism of seat head rest, includes the head rest, the head rest is located the front side of backrest, the vertical division in middle part of backrest has the bar groove, the left and right sides symmetry in bar groove is equipped with the profile of tooth structure, the profile of tooth structure includes dogtooth and recess, adjustment latch mechanism is still including adjusting latch fitting support, screens post, return spring, axis of rotation and return rotation piece, it includes support body and boss to adjust the latch fitting support, the boss is located the front side and the vertical arrangement of support body are at the middle part, the bar groove and the head rest fixed connection that backrest were passed to the front end of boss, open along left and right direction on the upper portion of the leading flank of support body has screens post mounting groove, still be equipped with the spring mounting hole on the support body, the spring mounting hole with the middle part intercommunication in screens post mounting groove, the trailing flank of boss is opened with the position that corresponds with screens post mounting groove has the fluting, fluting with screens post mounting groove intercommunication and form screens post fore-and-aft sliding tray, the slidable installs in screens post fore-and-aft sliding tray is installed to the screens post;
the return rotating piece comprises a pair of wing parts, a hand-pulling part and a rotating shaft part, the rotating shaft part is transversely arranged at the left and right sides, the wing parts are vertically arranged on the rotating shaft part at intervals, the hand-pulling part is positioned below the wing parts and is arranged on the rear side of the rotating shaft part, the rotating shaft part is rotatably arranged in the middle of the bracket body through the rotating shaft, the wing parts are sickle-shaped, and the front parts of the upper ends of the wing parts are provided with inclined slotted holes;
the upper ends of the wing parts can move back and forth and penetrate through the bracket body, the hand-pulling parts are positioned on the rear side of the bracket body and extend backwards, and the left ends of the clamping posts sequentially penetrate through inclined slotted holes on the wing parts close to the right side on the rotating shaft part, front and back sliding grooves of the clamping posts and inclined slotted holes on the wing parts close to the left side on the rotating shaft part from right to left;
the return spring is installed in the spring installation hole, the rear end of the return spring is abutted to the support body, the front end of the return spring is abutted to the rear side of the middle of the clamping column, and the clamping column is clamped in the groove of the tooth-shaped structure.
Furthermore, the adjusting locking mechanism further comprises a rotating wrench and an adjusting locking cover, the rotating wrench is located behind the support body, the adjusting locking cover is fixedly buckled on the rear side of the support body, the rotating wrench comprises a backward-protruding arc-shaped portion and a wrench sleeve portion, a long hole is formed in the middle of the arc-shaped portion of the rotating wrench, the front end of the wrench sleeve portion penetrates through the long hole and is installed in the long hole, and a hand-pulling portion of the return rotating member penetrates into the wrench sleeve portion from front to back;
the front side middle part of adjustment hasp lid is equipped with the arc wall with the unanimous assorted of the arc portion shape of rotating the spanner, open at the middle part of arc wall has and is used for spanner cover portion to pass and can pull the activity hole about, the arc portion that rotates the spanner with the arc wall laminating, spanner cover portion is worn out from the front to the back the activity hole.
Furthermore, the left end and the right end of the clamping column are respectively provided with an annular clamping groove, the annular clamping groove at the left end of the clamping column is positioned on the left side of the wing part close to the left side of the rotating shaft part, and the annular clamping groove at the right end of the clamping column is positioned on the right side of the wing part close to the right side of the rotating shaft part; the left end and the right end of the rotating shaft are respectively provided with a rotating shaft annular clamping groove, the annular clamping groove at the left end of the rotating shaft is positioned at the left side of the support body, and the annular clamping groove at the right end of the rotating shaft is positioned at the right side of the support body; an E-shaped snap ring is arranged in the annular clamping groove.
Furthermore, the movable hole is provided with a U-shaped limiting plate at the rear side of the adjusting lock catch cover.
The invention has the following beneficial effects: the operation is labor-saving and convenient.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is an assembly view of the adjustment latch mechanism and the seat back.
FIG. 3 is a schematic view of the headrest of FIG. 2 in an adjustable state.
FIG. 4 is a schematic view of the headrest of FIG. 2 in a locked state.
Fig. 5 is an assembly view of the capture post and tooth formation on the seat back in an adjustable condition.
Fig. 6 is a schematic view of fig. 5 with the adjustment latch cover removed.
Fig. 7 is a cross-sectional view of the right side view of fig. 5.
Fig. 8 is an assembly view of the retention post and tooth structure on the seat back in a locked condition.
Fig. 9 is a schematic view of fig. 8 with the adjustment catch cover removed.
Fig. 10 is a cross-sectional view of the right side view of fig. 8.
Figure 11 is a schematic view of the assembly of the adjust lock bracket and return rotate member in an adjustable condition.
Fig. 12 is a front view of fig. 11.
Fig. 13 is a rear view of fig. 11.
Fig. 14 is a right side view of fig. 11.
Figure 15 is a schematic view of the assembly of the adjusting lock bracket and the return rotator in a locked state.
Fig. 16 is a front view of fig. 15.
Fig. 17 is a rear view of fig. 15.
Fig. 18 is a right side view of fig. 15.
Fig. 19 is an exploded view of fig. 5.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 19, an adjustment latch mechanism 3 of seat headrest, including headrest 1, headrest 1 is located the front side of backrest 2, the vertical division in middle part of backrest 2 has bar groove 21, the left and right sides symmetry of bar groove 21 is equipped with the profile of tooth structure, the profile of tooth structure includes dogtooth and recess, adjustment latch mechanism 3 is still including adjusting latch support 31, screens post 32, return spring 33, axis of rotation 34 and return rotation piece 35, it includes support body and boss to adjust latch support 31, the boss is located the front side and the vertical arrangement of support body are at the middle part, the front end of boss passes bar groove 21 and the headrest 1 fixed connection of backrest 2, the upper portion of the leading flank of support body is opened along left and right directions has screens post mounting groove 311, still be equipped with the spring mounting hole on the support body, the spring mounting hole with the middle part intercommunication of screens post mounting groove 311, the trailing flank of boss is opened on the position that corresponds with screens post mounting groove, screens post 312 with the slotted post communicates the slotted post and forms the front and back screens post sliding groove, the sliding block 32 in front and back of screens post mounting groove;
the return rotating piece 35 comprises a pair of wing parts, a hand-pulling part and a rotating shaft part, the rotating shaft part is transversely arranged at the left and right, the wing parts are vertically arranged on the rotating shaft part at intervals, the hand-pulling part is positioned below the wing parts and arranged on the rear side of the rotating shaft part, the rotating shaft part is rotatably arranged in the middle of the bracket body through the rotating shaft, the wing parts are sickle-shaped, and the front parts of the upper ends of the wing parts are provided with inclined slotted holes 351;
the upper ends of the wing parts can move back and forth and penetrate through the bracket body, the hand-pulling parts are positioned on the rear side of the bracket body and extend backwards, and the left ends of the clamping posts sequentially penetrate through inclined slotted holes on the wing parts close to the right side on the rotating shaft part, front and back sliding grooves of the clamping posts and inclined slotted holes on the wing parts close to the left side on the rotating shaft part from right to left;
the return spring 33 is installed in the spring mounting hole, the rear end of the return spring 33 is propped against the support body, the front end of the return spring 33 is propped against the rear side of the middle of the clamping column 32, and the clamping column 32 is clamped in a groove of a tooth-shaped structure.
Further, the adjusting locking mechanism further comprises a rotary wrench 36 and an adjusting locking cover 37, the rotary wrench 36 is located behind the bracket body, the adjusting locking cover 37 is fixedly fastened on the rear side of the bracket body, the rotary wrench 36 comprises a backward-protruding arc-shaped portion and a wrench sleeve portion, a long hole is formed in the middle of the arc-shaped portion of the rotary wrench 36, the front end of the wrench sleeve portion penetrates through the long hole and is installed in the long hole, and a hand-pulling portion of the return rotating member 35 penetrates into the wrench sleeve portion from front to back;
the front side middle part of adjustment hasp lid 37 is equipped with the arc wall with the unanimous assorted of the arc portion shape of rotating the spanner, the middle part of arc wall is opened has and is used for spanner cover portion to pass and can pull the activity hole about, rotate spanner 36 the arc portion with the arc wall laminating, spanner cover portion is worn out from the front to the back the activity hole.
Furthermore, the left end and the right end of the position clamping column 32 are respectively provided with an annular clamping groove, the annular clamping groove at the left end of the position clamping column is positioned at the left side of the wing part close to the left side of the rotating shaft part, and the annular clamping groove at the right end of the position clamping column is positioned at the right side of the wing part close to the right side of the rotating shaft part; the left end and the right end of the rotating shaft are respectively provided with a rotating shaft annular clamping groove, the annular clamping groove at the left end of the rotating shaft is positioned on the left side of the support body, and the annular clamping groove at the right end of the rotating shaft is positioned on the right side of the support body; an E-shaped snap ring 38 is arranged in the annular clamping groove.
Furthermore, the movable hole is provided with a U-shaped position limiting plate at the rear side of the adjusting lock cover 37.
In this embodiment, the E-shaped snap ring on the position-locking column 32 is used to limit the wing part thereon, and the E-shaped snap ring on the rotating shaft 34 is used to limit the rotating shaft.
As shown in fig. 16, 11 is a headrest fixing hole for fixing the headrest.
The working process of the invention is as follows: in the initial state, the clamping column 32 is clamped in the groove of the tooth-shaped structure on the backrest 2, when the wrench sleeve part of the rotary wrench 36 is pulled downwards, the hand-pulling part on the return rotary part 35 is driven to rotate downwards together, meanwhile, the pair of wing parts rotate backwards, so that the clamping column 32 is driven to slide to the clamping column mounting groove 311 from the groove 312, the clamping column 32 is further separated from the groove, the height of the headrest 1 is adjusted as required, then the wrench sleeve part of the rotary wrench 36 is pushed upwards, the clamping column 32 is clamped in the groove at the corresponding position, and the clamping column 32 is locked in the groove under the action of the return spring 33. The height adjustment of the headrest 1 is completed.
According to the invention, the hand-pulling part and the rotating shaft part of the return rotating member 35 form a rotating arm lever, the rotating arm lever principle is applied, the adjusting force is light, the return rotating member monomers and the like can be directly assembled after being assembled and tested, and the stretching in the adjusting direction is labor-saving, convenient and more humanized and reasonable in operation in the hand-clasping mode.
Claims (4)
1. The utility model provides an adjustment latched device of seat headrest, includes the headrest, the headrest is located backrest's front side, the vertical opening in middle part of backrest has the bar groove, the left and right sides symmetry in bar groove is equipped with the profile of tooth structure, the profile of tooth structure includes dogtooth and recess, its characterized in that: the adjusting locking mechanism comprises an adjusting locking piece support, a clamping column, a return spring, a rotating shaft and a return rotating piece, the adjusting locking piece support further comprises a support body and a boss, the boss is located on the front side of the support body and is vertically arranged in the middle, the front end of the boss penetrates through a strip-shaped groove of a seat back and is fixedly connected with a headrest, a clamping column mounting groove is formed in the upper portion of the front side face of the support body along the left-right direction, a spring mounting hole is further formed in the support body and is communicated with the middle of the clamping column mounting groove, a notch is formed in the position, corresponding to the clamping column mounting groove, of the rear side face of the boss, the notch is communicated with the clamping column mounting groove to form a clamping column front-rear sliding groove, and the clamping column can be installed in the clamping column front-rear sliding groove in a front-rear sliding mode;
the return rotating piece comprises a pair of wing parts, a hand-pulling part and a rotating shaft part, the rotating shaft part is transversely arranged at the left and right sides, the wing parts are vertically arranged on the rotating shaft part at intervals, the hand-pulling part is positioned below the wing parts and is arranged on the rear side of the rotating shaft part, the rotating shaft part is rotatably arranged in the middle of the bracket body through the rotating shaft, the wing parts are sickle-shaped, and the front parts of the upper ends of the wing parts are provided with inclined slotted holes;
the upper end of the wing part can move back and forth and penetrates through the bracket body, the hand-pulling part is positioned at the rear side of the bracket body and extends backwards, and the left end of the clamping column sequentially penetrates through an inclined slotted hole on the wing part close to the right side of the rotating shaft part, a front and back sliding groove of the clamping column and an inclined slotted hole on the wing part close to the left side of the rotating shaft part from right to left;
the return spring is installed in the spring mounting hole, the rear end of the return spring is abutted against the support body, the front end of the return spring is abutted against the rear side of the middle of the clamping column, and the clamping column is clamped in the groove of the tooth-shaped structure.
2. The adjustment latch mechanism of a headrest for seats according to claim 1, wherein: the adjusting locking mechanism further comprises a rotating wrench and an adjusting locking cover, the rotating wrench is located behind the support body, the adjusting locking cover is fixedly buckled on the rear side of the support body, the rotating wrench comprises a backward-protruding arc-shaped portion and a wrench sleeve portion, a long hole is formed in the middle of the arc-shaped portion of the rotating wrench, the front end of the wrench sleeve portion penetrates through the long hole and is installed in the long hole, and a hand-pulling portion of the return rotating member penetrates into the wrench sleeve portion from front to back;
the front side middle part of adjustment hasp lid is equipped with the arc wall with the unanimous assorted of the arc portion shape of rotating the spanner, open at the middle part of arc wall has and is used for spanner cover portion to pass and can pull the activity hole about, the arc portion of rotating the spanner with the arc wall laminating, spanner cover portion is worn out from the front to the back the activity hole.
3. The adjusting latch mechanism of the headrest of the seat as claimed in claim 1 or 2, wherein: the left end and the right end of the clamping column are respectively provided with an annular clamping groove, the annular clamping groove at the left end of the clamping column is positioned on the left side of the wing part close to the left side of the rotating shaft part, and the annular clamping groove at the right end of the clamping column is positioned on the right side of the wing part close to the right side of the rotating shaft part; the left end and the right end of the rotating shaft are respectively provided with a rotating shaft annular clamping groove, the annular clamping groove at the left end of the rotating shaft is positioned at the left side of the support body, and the annular clamping groove at the right end of the rotating shaft is positioned at the right side of the support body; an E-shaped snap ring is arranged in the annular clamping groove.
4. The adjusting latch mechanism of the headrest of the seat as claimed in claim 2, wherein: the movable hole is provided with a U-shaped limiting plate at the rear side of the adjusting lock catch cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169386.2A CN106976419B (en) | 2017-03-12 | 2017-03-12 | Adjusting locking mechanism of seat headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169386.2A CN106976419B (en) | 2017-03-12 | 2017-03-12 | Adjusting locking mechanism of seat headrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106976419A CN106976419A (en) | 2017-07-25 |
| CN106976419B true CN106976419B (en) | 2023-02-03 |
Family
ID=59339044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710169386.2A Active CN106976419B (en) | 2017-03-12 | 2017-03-12 | Adjusting locking mechanism of seat headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106976419B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239403B (en) * | 2019-05-30 | 2021-11-23 | 好孩子儿童用品有限公司 | Automobile safety seat with intelligently adjustable head support height and head support height adjusting method |
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|---|---|---|---|---|
| CN1270558A (en) * | 1997-08-21 | 2000-10-18 | 协和儿童汽车座椅和儿童家具及用品制造有限公司 | Child seat for motor vehicles |
| CN202743083U (en) * | 2012-08-22 | 2013-02-20 | 宁波大功婴童用品有限公司 | Car child safety seat |
| CN203358393U (en) * | 2013-07-23 | 2013-12-25 | 台州市感恩汽车用品有限公司 | Lifting regulating mechanism of child safety seat |
| CN103507683A (en) * | 2013-09-23 | 2014-01-15 | 江苏幸运宝贝安全装置制造有限公司 | Child safety seat headrest adjustment device |
| CN104627036A (en) * | 2013-11-07 | 2015-05-20 | 宝钜儿童用品香港股份有限公司 | Headrest height adjusting mechanism |
| CN204687883U (en) * | 2015-06-18 | 2015-10-07 | 宁波贝驰儿童用品有限公司 | A kind of improvement Vehicular child safety chair back assembly |
| CN204687885U (en) * | 2015-06-18 | 2015-10-07 | 宁波贝驰儿童用品有限公司 | A kind of child safety seat headrest height adjustment mechanism |
| CN105172629A (en) * | 2015-09-29 | 2015-12-23 | 宁波市胜源技术转移有限公司 | Adjustable headrest for child seat |
| CN205185912U (en) * | 2015-11-25 | 2016-04-27 | 常州市博聪儿童用品股份有限公司 | Height -adjustable children's seat back of simply resting head on |
| CN205387078U (en) * | 2016-03-07 | 2016-07-20 | 中山市硕森日用制品有限公司 | Vehicle -specific children safety seat |
| CN205930361U (en) * | 2016-08-30 | 2017-02-08 | 宁波惠尔顿婴童安全科技股份有限公司 | Head rest adjustment mechanism of children's safety seat |
| CN206690928U (en) * | 2017-03-12 | 2017-12-01 | 浙江乐优贝汽车用品有限公司 | The adjustment latching device of headrest |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2913222B1 (en) * | 2014-02-28 | 2020-01-22 | Britax Römer Kindersicherheit GmbH | Child safety seat |
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2017
- 2017-03-12 CN CN201710169386.2A patent/CN106976419B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270558A (en) * | 1997-08-21 | 2000-10-18 | 协和儿童汽车座椅和儿童家具及用品制造有限公司 | Child seat for motor vehicles |
| CN202743083U (en) * | 2012-08-22 | 2013-02-20 | 宁波大功婴童用品有限公司 | Car child safety seat |
| CN203358393U (en) * | 2013-07-23 | 2013-12-25 | 台州市感恩汽车用品有限公司 | Lifting regulating mechanism of child safety seat |
| CN103507683A (en) * | 2013-09-23 | 2014-01-15 | 江苏幸运宝贝安全装置制造有限公司 | Child safety seat headrest adjustment device |
| CN104627036A (en) * | 2013-11-07 | 2015-05-20 | 宝钜儿童用品香港股份有限公司 | Headrest height adjusting mechanism |
| CN204687883U (en) * | 2015-06-18 | 2015-10-07 | 宁波贝驰儿童用品有限公司 | A kind of improvement Vehicular child safety chair back assembly |
| CN204687885U (en) * | 2015-06-18 | 2015-10-07 | 宁波贝驰儿童用品有限公司 | A kind of child safety seat headrest height adjustment mechanism |
| CN105172629A (en) * | 2015-09-29 | 2015-12-23 | 宁波市胜源技术转移有限公司 | Adjustable headrest for child seat |
| CN205185912U (en) * | 2015-11-25 | 2016-04-27 | 常州市博聪儿童用品股份有限公司 | Height -adjustable children's seat back of simply resting head on |
| CN205387078U (en) * | 2016-03-07 | 2016-07-20 | 中山市硕森日用制品有限公司 | Vehicle -specific children safety seat |
| CN205930361U (en) * | 2016-08-30 | 2017-02-08 | 宁波惠尔顿婴童安全科技股份有限公司 | Head rest adjustment mechanism of children's safety seat |
| CN206690928U (en) * | 2017-03-12 | 2017-12-01 | 浙江乐优贝汽车用品有限公司 | The adjustment latching device of headrest |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106976419A (en) | 2017-07-25 |
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