CN212667183U - Headrest opening adjusting device - Google Patents
Headrest opening adjusting device Download PDFInfo
- Publication number
- CN212667183U CN212667183U CN202021017322.4U CN202021017322U CN212667183U CN 212667183 U CN212667183 U CN 212667183U CN 202021017322 U CN202021017322 U CN 202021017322U CN 212667183 U CN212667183 U CN 212667183U
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- headrest
- gear
- linkage
- chute
- chair
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Abstract
The utility model relates to a headrest opening adjusting device, which comprises a headrest main body, a chair back and a linkage part, wherein the headrest main body is arranged on the chair back in a sliding way, and a headrest fixing part is fixedly arranged at the back of the headrest main body; the two sides of the headrest main body are sleeved with headrest flanks in a sliding mode, the chair back is provided with an inclined groove and a gear groove, the linkage piece is arranged inside the inclined groove and the gear groove in a sliding mode, and the end portion of the linkage piece penetrates through the headrest flanks and is connected with the headrest flanks in a rotating mode; the storage tank has been seted up at the middle part of headrest main part, and the inside slip of storage tank has cup jointed the gear fixed block, gear fixed block one end stretches into the inside of the back of the chair to cup joint with the back of the chair slip, the other end fixedly connected with spring of gear fixed block, the other end of spring and the inner wall fixed connection of storage tank. The utility model provides a headrest opens adjusting device, the utility model discloses the effect of being convenient for adjust the use has.
Description
Technical Field
The utility model relates to a headrest technical field specifically is a headrest opens adjusting device.
Background
The child safety seat can be mounted on a vehicle seat for a child to sit on, and can effectively improve the riding safety of the child. In the event of a car crash or sudden deceleration, the child car safety seat can reduce the impact force on the child and limit the child's body movement to mitigate injury to them. The existing child safety seat is generally provided with a headrest capable of being adjusted up and down, but the left and right side wings of the headrest cannot be opened or closed when the child safety seat is used, or the left and right side wings need to be adjusted independently, so that the child safety seat is complicated in structure, complex in operation and inconvenient to use by a user.
In order to solve the above problems, a headrest opening adjustment device is proposed in the present application.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a headrest opens adjusting device, the technical problem of its solution is that current children's safety seat all is equipped with the headrest that can adjust from top to bottom, but the flank can not open or receive when using about the headrest, or the regulation of controlling the flank needs the independent control, and the structure is numerous and diverse, complex operation, and the user uses inconveniently.
In order to solve the technical problem existing in the above, the utility model discloses a following scheme:
the utility model provides a headrest opens adjusting device, includes headrest main part and the back of the chair, headrest main part slidable sets up on the back of the chair, the headrest flank has been cup jointed in the both sides slip of headrest main part, be provided with the linkage in the headrest main part, the chute has been seted up on the back of the chair, the middle part of linkage with the headrest main part is articulated, the lower extreme of linkage slides and sets up in the chute, the upper end and the headrest flank of linkage are connected, the headrest main part is followed when the back of the chair slides from top to bottom, drive the linkage reciprocates, the lower extreme of linkage is followed the chute is inwards or outwards removed and is driven the upper end of linkage is outwards or inwards removed, thereby makes the headrest flank opens or receives to close.
Further, the linkage piece comprises a first connecting rod and a second connecting rod, and the middle parts of the first connecting rod and the second connecting rod are hinged to form an X shape.
Furthermore, the middle hinged part of the linkage piece is fixed on the headrest main body, the upper end of the linkage piece is respectively in rotatable connection with the long slotted hole on the headrest side wing at the same side, and the lower end of the linkage piece is in sliding connection with the chute of the chair back.
Further, the chute includes left chute and right chute, left side chute with right chute all vertically sets up, left side chute with interval between the right chute increases in proper order from bottom to top, the lower extreme of linkage sets up respectively in the homonymy in the chute.
Furthermore, a gear groove is further formed in the chair back, a storage groove is formed in the middle of the headrest main body, a gear fixing block is slidably sleeved in the storage groove, one end of the gear fixing block extends into the gear groove and is slidably sleeved with the gear groove, a spring is fixedly connected to the other end of the gear fixing block, and the other end of the spring is fixedly connected with the inner wall of the storage groove;
the spout has all been seted up to the both sides at headrest main part middle part, and sliding connection has the gear regulating block on the spout, the bottom of gear regulating block supports with the top of gear fixed block and presses, the fixed intercommunication in top of gear regulating block has the headrest gear regulation area, the top fixedly connected with pull ring of headrest gear regulation area.
Further, the longkout has all been seted up to the both sides at back of the chair middle part, the gag lever post is installed at headrest main part back, the one end of gag lever post pass the longkout and with headrest mounting fixed connection to with the inner wall sliding connection of longkout.
Further, the back fixed mounting of headrest main part has the headrest mounting, the headrest mounting is used for connecting the headrest main part with the back of the chair, and make the headrest main part can follow the back of the chair reciprocates.
Furthermore, the headrest main body is hollow, slot holes are formed in the left side and the right side of the headrest main body respectively, insertion blocks matched with the slot holes on the same side are arranged on the headrest side wings, and the insertion blocks are inserted into the slot holes and can slide left and right.
Furthermore, the long slotted hole is formed in the middle section of the inserting block, and the lower end of the inserting block is provided with a containing groove used for containing the upper end of the linkage piece and allowing the linkage piece to move left and right.
Furthermore, a plurality of gear grooves are transversely arranged and are overlapped and crossed with the inclined grooves.
The headrest opening adjusting device has the following beneficial effects:
when the pull ring is pulled, the gear adjusting block is rotated through transmission of the adjusting belt to drive the gear fixing block to be separated from the upper gear groove of the chair back, the headrest main body can slide up and down, when the headrest main body slides up, one end of the linkage part is opened under the action of the inclined groove of the chair back, and the other end of the linkage part is also opened, so that the side wings are driven to be opened; when the headrest slides downwards, one end of the linkage piece is folded under the action of the seat back chute, and the other end of the linkage piece is also folded, so that the headrest side wings are driven to be folded, the headrest side wings 1 are linked, unfolded and folded while the height of the headrest is adjusted, and the adjustment and the use are facilitated.
Drawings
FIG. 1: the utility model provides a schematic structural diagram of a headrest opening adjusting device;
FIG. 2: the utility model provides a structural schematic diagram of a chair back in a headrest opening adjusting device;
FIG. 3: the utility model provides a schematic partial split structure of a headrest opening adjusting device;
FIG. 4: the utility model provides a schematic diagram of a partial sectional structure of a headrest opening adjusting device;
FIG. 5: the utility model provides a schematic diagram of a partially-disassembled structure of a headrest opening adjusting device;
FIG. 6: the utility model provides an assembly structure schematic diagram of headrest opening adjusting device.
Description of reference numerals:
1-headrest flanks; 1-slotted hole; 2-headrest body; 3-a linkage; 3-1-one end of a linkage; 3-2-middle part of linkage; 3-3 — the other end of the linkage; 4-headrest gear adjusting belt; 5, pulling a ring; 6-gear adjusting block; 7-gear fixing block; 8-headrest fixing part; 9-chair back; 91-a chute; 92-gear groove; 10-spring.
Detailed Description
The present invention will be further explained with reference to fig. 1 to 6:
the utility model provides a headrest opening adjusting device, which comprises a headrest main body 2, a chair back 9 and a linkage part 3, wherein the headrest main body 2 is arranged on the chair back 9 in a sliding way, and a headrest fixing part 8 is fixedly arranged at the back of the headrest main body 2;
the two sides of the headrest main body 2 are sleeved with the headrest flanks 1 in a sliding manner, the chair back 9 is provided with a chute 91 and a gear groove 92, the linkage piece 3 is arranged inside the chute 91 and the gear groove 92 in a sliding manner, and the end part of the linkage piece 3 penetrates through the headrest flanks 1 and is connected with the headrest flanks 1 in a rotating manner;
a storage groove is formed in the middle of the headrest main body 2, a gear fixing block 7 is sleeved in the storage groove in a sliding mode, one end of the gear fixing block 7 extends into the gear groove 92 and is sleeved with the gear groove 92 in a sliding mode, the other end of the gear fixing block 7 is fixedly connected with a spring 10, and the other end of the spring 10 is fixedly connected with the inner wall of the storage groove;
the headrest main body 2 is hollow, slot holes are respectively formed in the left side and the right side of the headrest main body 2, insertion blocks matched with the slot holes on the same side are arranged on the headrest side wings 1, and the insertion blocks are inserted into the slot holes and can slide left and right; the long slotted hole is arranged at the middle section of the inserting block, and the lower end of the inserting block is provided with a containing groove for containing the upper end of the linkage piece 3 and allowing the linkage piece to move left and right.
The spout has all been seted up to the both sides at 2 middle parts of headrest main part, and sliding connection has gear adjusting block 6 on the spout, and the bottom of gear adjusting block 6 supports with the top of gear fixed block 7 and presses, and the fixed intercommunication in top of gear adjusting block 6 has headrest gear adjusting belt 4, headrest gear adjusting belt 4's top fixedly connected with pull ring 5.
The linkage part 3 comprises a first connecting rod and a second connecting rod, and the middle parts of the first connecting rod and the second connecting rod are hinged to form an X shape; the length of the lower end of the hinge joint of the linkage piece 3 is less than that of the upper end of the hinge joint; the middle hinged part of the linkage piece 3 is fixed on the headrest main body 2, the upper end of the linkage piece 3 is respectively and rotatably connected with the long slotted hole on the headrest side wing 1 at the same side, and the lower end of the linkage piece 3 is in sliding connection with the chute 91 of the chair back 9; the chute 91 comprises a left chute and a right chute which are both longitudinally arranged, the distance between the left chute and the right chute is sequentially increased from bottom to top, and the lower ends of the linkage pieces 3 are respectively arranged in the chutes 91 on the same side; the plurality of gear grooves 92 are transversely arranged, the two inclined grooves 91 are longitudinally arranged, the gear grooves 92 and the inclined grooves 91 are arranged in an overlapping and crossing mode and do not affect each other, the interior of the headrest main body 2 is hollow, and the headrest side wings 1 on two sides are matched to be opened and closed and the upper end and the lower end of the linkage 3 are matched to move.
It should be noted that, with reference to fig. 3, the headrest side wings 1 are provided with slotted holes 1-1.
In an alternative embodiment, the two sides of the middle part of the backrest 9 are both provided with a long opening, the back of the headrest main body 2 is provided with a limiting rod, and one end of the limiting rod passes through the long opening and is fixedly connected with the headrest fixing part 8 and is connected with the inner wall of the long opening in a sliding manner.
In an alternative embodiment, one end of the linkage 3 is rotatably connected with the long slot hole of the headrest side wing 1, the middle part of the linkage 3 is rotatably connected with the headrest main body 2 through a rotating shaft, and the other end of the linkage 3 is slidably connected with the inclined groove 91 of the backrest 9.
It should be noted that, with reference to fig. 3, one end of the linkage member 3 is 3-3, one end 3-3 of the linkage member 3 is rotatably connected to the long slot hole 1-1 of the headrest side wing 1, the middle of the linkage member 3 is 3-2, the middle 3-2 of the linkage member 3 is rotatably connected to the headrest main body 2 through a rotating shaft, the other end of the linkage member 3 is 3-1, and the 3-1 of the linkage member 3 is slidably connected to the chute 91 of the seatback 9.
In an alternative embodiment, the outer wall of the headrest fixture 8 is slidably connected to the outer wall of the seat back 9.
In an alternative embodiment, the top end of the headrest position adjustment belt 4 extends to the outside of the headrest body 2, and is slidably connected to the headrest body 2.
A fan-shaped or inverted triangular vent is opened at the rear side of the headrest body 2 to facilitate the installation of the link 3.
The working principle of the utility model is as follows:
when the pull ring 5 is pulled, the gear adjusting block 6 is rotated through the transmission of the adjusting belt 4, the gear fixing block 7 is driven to be separated from a gear groove 92 on the chair back 9, the headrest main body 2 can slide up and down, when the headrest main body slides up, one end 3-1 of the linkage part 3 is opened under the action of the inclined groove 91, the other end 3-3 of the linkage part 3 is also opened, and therefore the side wing 1 is driven to be opened; when the headrest slides downwards, one end 3-1 of the linkage piece 3 is folded under the action of the chute 91, and the other end 3-3 of the linkage piece 3 is also folded, so that the headrest side wings 1 are driven to be folded, and the headrest side wings 1 are linked, unfolded and folded while the height of the headrest is adjusted, thereby being beneficial to adjustment and use.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.
Claims (10)
1. The utility model provides a headrest opens adjusting device, includes headrest main part (2) and back of the chair (9), headrest main part (2) slidable sets up on back of the chair (9), its characterized in that: headrest flank (1) has been cup jointed in the both sides slip of headrest main part (2), be provided with linkage (3) on headrest main part (2), chute (91) have been seted up on the back of the chair (9), the middle part of linkage (3) with headrest main part (2) are articulated, the lower extreme of linkage (3) slides and sets up in chute (91), the upper end and the headrest flank (1) of linkage (3) are connected, headrest main part (2) are followed when back of the chair (9) slides from top to bottom, drive linkage (3) reciprocate, the lower extreme of linkage (3) is followed chute (91) or outside removal drive the upper end of linkage (3) is outside or inside movement, thereby make headrest flank (1) open or receive.
2. The headrest opening adjustment device according to claim 1, wherein: the linkage piece (3) comprises a first connecting rod and a second connecting rod, and the middle parts of the first connecting rod and the second connecting rod are hinged to form an X shape.
3. The headrest opening adjustment device according to claim 2, wherein: the middle hinged part of the linkage piece (3) is fixed on the headrest main body (2), the upper end of the linkage piece (3) is respectively in rotatable connection with the long slotted hole on the headrest side wing (1) at the same side, and the lower end of the linkage piece (3) is in sliding connection with the chute (91) of the chair back (9).
4. The headrest opening adjustment device according to claim 3, wherein: chute (91) include left chute and right chute, left side chute with right chute all vertically sets up, left side chute with interval between the right chute increases in proper order by supreme down, the lower extreme of linkage (3) sets up respectively in homonymy in chute (91).
5. The headrest opening adjustment device according to claim 1, wherein: the headrest is characterized in that a gear groove (92) is further formed in the chair back (9), a storage groove is formed in the middle of the headrest main body (2), a gear fixing block (7) is slidably sleeved inside the storage groove, one end of the gear fixing block (7) extends into the gear groove (92) and is slidably sleeved with the gear groove (92), a spring (10) is fixedly connected to the other end of the gear fixing block (7), and the other end of the spring (10) is fixedly connected with the inner wall of the storage groove;
the utility model discloses a headrest structure, including headrest main part (2), gear fixed block (7), the spout has all been seted up to the both sides at headrest main part (2) middle part, and sliding connection has gear regulating block (6) on the spout, the bottom of gear regulating block (6) supports with the top of gear fixed block (7) and presses, the fixed intercommunication in top of gear regulating block (6) has headrest gear regulation area (4), the top fixedly connected with pull ring (5) of headrest gear regulation area (4).
6. The headrest opening adjustment device according to claim 1, wherein: the longeron is all seted up to the both sides at back of the chair (9) middle part, the gag lever post is installed at headrest main part (2) back, the one end of gag lever post pass the longeron and with headrest mounting (8) fixed connection to with the inner wall sliding connection of longeron.
7. The headrest opening adjustment device according to claim 1, wherein: the back fixed mounting of headrest main part (2) has headrest mounting (8), headrest mounting (8) are used for connecting headrest main part (2) with back of the chair (9), and make headrest main part (2) can be followed back of the chair (9) reciprocates.
8. The headrest opening adjustment device according to claim 3, wherein: the headrest is characterized in that the headrest main body (2) is hollow, slot holes are formed in the left side and the right side of the headrest main body (2), inserting blocks matched with the slot holes on the same side are arranged on the headrest side wings (1), and the inserting blocks are inserted into the slot holes and can slide left and right.
9. The headrest opening adjustment device according to claim 8, wherein: the long slotted hole is formed in the middle section of the inserting block, and the lower end of the inserting block is provided with a containing groove which is used for containing the upper end of the linkage piece (3) and allowing the linkage piece to move left and right.
10. The headrest opening adjustment device according to claim 5, wherein: the gear grooves (92) are transversely arranged and are overlapped and crossed with the inclined grooves (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017322.4U CN212667183U (en) | 2020-06-05 | 2020-06-05 | Headrest opening adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017322.4U CN212667183U (en) | 2020-06-05 | 2020-06-05 | Headrest opening adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212667183U true CN212667183U (en) | 2021-03-09 |
Family
ID=74822003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021017322.4U Active CN212667183U (en) | 2020-06-05 | 2020-06-05 | Headrest opening adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212667183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11731545B2 (en) | 2021-03-23 | 2023-08-22 | Bambino Prezioso Switzerland Ag | Side wing adjustment mechanism and adjustable sitting device |
-
2020
- 2020-06-05 CN CN202021017322.4U patent/CN212667183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11731545B2 (en) | 2021-03-23 | 2023-08-22 | Bambino Prezioso Switzerland Ag | Side wing adjustment mechanism and adjustable sitting device |
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