CN220447711U - Adjusting mechanism and safety seat - Google Patents

Abstract

The utility model discloses an adjusting mechanism and a safety seat, and belongs to the technical field of child seats. The adjusting mechanism comprises a chair back, a moving assembly and a driving piece, wherein the chair back is provided with a plurality of fixing grooves which are arranged at intervals along a first direction; the movable assembly comprises a headrest, a clamping column and a rotating seat, wherein the clamping column is arranged on the rotating seat and can be clamped with one of the fixed grooves, the rotating seat is rotationally connected with the headrest, and the clamping column can be driven to enter or leave the fixed groove when the rotating seat rotates; the driving piece is arranged in the headrest in a penetrating mode and connected with the rotating seat, and can move along a first direction and drive the rotating seat to rotate so as to drive the headrest to move. The utility model reduces the risk of damage to the adjusting mechanism, reduces the difficulty of adjusting the position of the headrest by a user, and improves the stability and reliability.

Description

Adjusting mechanism and safety seat

Technical Field

The utility model relates to the technical field of child seats, in particular to an adjusting mechanism and a safety seat.

Background

In the related art, a headrest of an existing safety seat is generally slidably connected to a seat body through a slide bar, so that the height of the headrest is adjusted. In order to increase the adjustable range of the headrest, it is necessary to provide the headrest with a long stroke, resulting in an increase in the length of the slide bar. However, the shaft lever tends to be weakened and reduced in rigidity, so that the sliding rod is easy to bend and deform.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the adjusting mechanism and the safety seat, which can reduce the risk of damage to the adjusting mechanism.

According to a first aspect of the present utility model there is provided an adjustment mechanism comprising: the chair comprises a chair back, a moving assembly and a driving piece, wherein the chair back is provided with a plurality of fixing grooves which are arranged at intervals along a first direction; the movable assembly comprises a headrest, a clamping column and a rotating seat, wherein the clamping column is arranged on the rotating seat and can be clamped with one of the fixed grooves, the rotating seat is rotationally connected with the headrest, and the clamping column can be driven to enter or leave the fixed groove when the rotating seat rotates; the driving piece is arranged in the headrest in a penetrating mode and connected with the rotating seat, and can move along the first direction and drive the rotating seat to rotate so as to drive the headrest to move.

According to the embodiment of the utility model, the adjusting mechanism has at least the following beneficial effects:

according to the embodiment of the utility model, the plurality of fixed grooves are formed in the chair back at intervals, the fixed grooves are clamped with one of the fixed grooves through the clamping columns, the headrest is rotationally connected with the rotating seat, the driving piece is fixedly connected with the rotating seat, and the driving piece can drive the rotating seat to rotate when moving along the first direction, so that the clamping columns leave the fixed grooves, and the position of the headrest is switched.

According to some embodiments of the utility model, the headrest is provided with two clamping grooves, the two clamping grooves are arranged at intervals along a second direction, the second direction is perpendicular to the first direction, the rotating seat comprises a main body and two clamping parts, the main body is fixedly connected with the driving piece, the two clamping parts are positioned at two ends of the main body, the two clamping parts are respectively arranged at the two clamping grooves, and the driving piece can drive the clamping parts to rotate relative to the clamping grooves.

According to some embodiments of the utility model, the headrest is further provided with two first guide grooves, the two first guide grooves are arranged at intervals along the second direction, the two ends of the main body are respectively provided with a first mounting groove, the clamping columns are mounted in the first mounting grooves, the two ends of the clamping columns are respectively positioned in the two first guide grooves, and the clamping columns can be driven to move along the first guide grooves when the rotating seat rotates.

According to some embodiments of the utility model, a second mounting groove is formed in a position, corresponding to the clamping column, of the headrest, and the moving assembly further comprises an elastic piece arranged in the second mounting groove, one end of the elastic piece is abutted against the bottom wall of the second mounting groove, and the other end of the elastic piece is abutted against the peripheral wall of the clamping column.

According to some embodiments of the utility model, the adjusting mechanism further comprises a fixing member located on a side of the seatback away from the headrest, the fixing member being slidably connected to the seatback and fixedly connected to the headrest.

According to some embodiments of the utility model, the fixing element is provided with a guide part, one end of the chair back facing the fixing element is provided with a second guide groove corresponding to the guide part, the second guide groove extends along the first direction, and the guide part is connected with the second guide groove in a sliding mode.

According to some embodiments of the utility model, the seat back is provided with a relief groove, the headrest is provided with a protruding part, and the protruding part penetrates through the relief groove and is connected with the fixing piece.

According to some embodiments of the utility model, the end of the headrest is provided with a through groove, the driving piece passes through the through groove to protrude out of the headrest, and the end of the driving piece protruding out of the headrest is provided with a pull ring.

According to some embodiments of the utility model, the end of the fixing piece is provided with a connecting groove, and the rotating seat is arranged in the connecting groove in a penetrating way.

According to a second aspect of the present utility model there is provided a safety seat comprising a headrest, a seat body and the adjustment mechanism disclosed in the first aspect of the present utility model, the headrest being mounted to the headrest, the seat body being mounted to the seat back.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of an embodiment of an adjustment mechanism of the present utility model;

FIG. 2 is an exploded view of one embodiment of an adjustment mechanism of the present utility model;

FIG. 3 is a partial schematic view of an embodiment of an adjustment mechanism of the present utility model with the headrest hidden;

FIG. 4 is an enlarged view of FIG. 2 at A;

FIG. 5 is an exploded view of a mobile assembly in one embodiment of an adjustment mechanism of the present utility model;

FIG. 6 is a partial cross-sectional view of an adjustment mechanism embodiment of the present utility model in a locked state;

fig. 7 is a partial cross-sectional view of an adjustment mechanism embodiment of the present utility model in an active state.

Reference numerals:

an adjustment mechanism 1000;

a seatback 100; a fixing groove 110; a second guide groove 120; the avoidance groove 130;

a moving assembly 200;

a headrest 210; a clamping groove 211; a first guide groove 212; a second mounting groove 213; a boss 214; a through slot 215;

a clamping column 220;

a rotating base 230; a main body 231; a first mounting groove 2311; a clamping part 232;

an elastic member 240;

a driving member 300; a pull ring 310; a connection groove 320;

a fixing member 400; a guide 410.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation, such as the orientation or positional relationship indicated above, below, inside, outside, etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the related art, a headrest of an existing safety seat is generally slidably connected to a seat body through a slide bar, so that the height of the headrest is adjusted. In order to increase the adjustable range of the headrest, it is necessary to provide the headrest with a long stroke, resulting in an increase in the length of the slide bar. However, the shaft lever tends to be weakened and reduced in rigidity, so that the sliding rod is easy to bend and deform. In addition, the position of the headrest is often linearly adjusted through the sliding rod, so that a user is difficult to position the headrest, the time for adjusting the headrest is prolonged, and the adjustment difficulty of the user is increased.

To this end, some embodiments of the utility model provide an adjustment mechanism 1000, particularly as shown in fig. 1-7 of the drawings of the specification.

Referring to fig. 1 and 2, in an embodiment of the present utility model, the adjustment mechanism 1000 may include: the seat back 100, the moving assembly 200 and the driving member 300, wherein the seat back 100 may be provided with a plurality of fixing slots 110, and the plurality of fixing slots 110 are arranged at intervals along a first direction, that is, an arrangement direction of the plurality of fixing slots 110, that is, a moving direction of the headrest 210. The fixing groove 110 may be provided at the front end of the seatback 100, and the fixing groove 110 may be recessed rearward.

Referring to fig. 2, 4 and 5, in an embodiment of the present utility model, the moving assembly 200 may include a headrest 210, a blocking post 220 and a rotating seat 230, wherein the blocking post 220 is mounted to the rotating seat 230 and can be blocked with one of the fixing slots 110, and it is understood that the moving assembly 200 may have a locking state and an active state, and the rotating seat 230 can block the blocking post 220 with one of the fixing slots 110 when the moving assembly 200 is in the locking state, thereby fixing the position of the headrest 210. The swivel base 230 may be rotatably coupled to the headrest 210, i.e., the swivel base 230 may swivel relative to the headrest 210. The rotating seat 230 can drive the clamping post 220 to enter or leave the fixed slot 110 when rotating, it can be appreciated that a rotating shaft can be disposed at the connection position of the rotating seat 230 and the headrest 210, and the clamping post 220 can be driven to leave the fixed slot 110 when the rotating seat 230 rotates around the rotating shaft and in a direction away from the headrest 210, so that the moving assembly 200 is switched from the locking state to the active state; conversely, when the rotating seat 230 rotates around the rotating shaft and in a direction approaching the headrest 210, the locking post 220 is driven to enter the fixed slot 110, and the moving assembly 200 is switched from the active state to the locking state.

Referring to fig. 2, 3 and 4, in an embodiment of the present utility model, the driving member 300 may be provided through the headrest 210 and connected to the rotation seat 230, and it is understood that a user may directly pull the driving member 300 and move it in the first direction. The driving member 300 can move along the first direction, and when the driving member 300 moves along the first direction, the rotating seat 230 can be driven to rotate, so that the clamping column 220 leaves the fixed slot 110, the moving assembly 200 is switched from the locking state to the active state, and under the continuous action of the driving member 300, the headrest 210 can move along the first direction.

According to the embodiment of the utility model, the plurality of fixed slots 110 are arranged at intervals on the chair back 100 and are clamped with one of the fixed slots 110 through the clamping columns 220, so that the position of the headrest 210 is fixed, the headrest 210 is rotationally connected through the rotating seat 230, the driving piece 300 is fixedly connected to the rotating seat 230, and the driving piece 300 can drive the rotating seat 230 to rotate when moving along the first direction, so that the clamping columns 220 leave the fixed slots 110, and the position of the headrest 210 is switched.

Referring to fig. 2, 4 and 5, in an embodiment of the present utility model, the headrest 210 may be provided with two clamping grooves 211, and in particular, the two clamping grooves 211 may be provided at a rear end of the headrest 210, that is, at an end facing the seatback 100, and the two clamping grooves 211 are spaced apart along a second direction, wherein the second direction is perpendicular to the first direction. The rotating seat 230 may include a main body 231 and two clamping portions 232, where the main body 231 is fixedly connected with the driving member 300, specifically, the main body 231 may be disposed through an end portion of the driving member 300, or may be fixed by other components, which is not limited in this embodiment. The two clamping portions 232 are located at two ends of the main body 231, the two clamping portions 232 are in one-to-one correspondence with the two clamping grooves 211, the clamping grooves 211 are suitable for being placed in the clamping portions 232, based on the two clamping portions 232 are respectively arranged in the two clamping grooves 211, the driving piece 300 can drive the clamping portions 232 to rotate relative to the clamping grooves 211, and it can be understood that the rotating shaft of the rotating seat 230 is a connecting line of the two rotating portions parallel to the second direction.

Referring to fig. 2, 4 and 5, in the embodiment of the present utility model, the headrest 210 is further provided with two first guide grooves 212, the two first guide grooves 212 are spaced along the second direction, the two ends of the main body 231 are respectively provided with a first mounting groove 2311, and the clamping post 220 is mounted on the first mounting groove 2311, so as to realize connection between the clamping post 220 and the rotating seat 230, the two ends of the clamping post 220 are respectively located in the two first guide grooves 212, and when the rotating seat 230 rotates, the clamping post 220 can be driven to move along the first guide grooves 212, and it is noted that the extending direction of the first guide grooves 212 can be parallel to the extending direction of the fixed groove 110, so that when the rotating seat 230 rotates, the clamping post 220 is driven to move along the first guide grooves 212, and the clamping post 220 can enter the fixed groove 110 or leave the fixed groove 110, thereby improving the direction accuracy when the clamping post 220 moves.

Referring to fig. 2, 4 and 5, in the embodiment of the present utility model, the headrest 210 is provided with a second mounting groove 213 at a position corresponding to the clip column 220, and the moving assembly 200 further includes an elastic member 240 provided in the second mounting groove 213, wherein one end of the elastic member 240 abuts against a bottom wall of the second mounting groove 213, and the other end abuts against a peripheral wall of the clip column 220. When the rotating seat 230 rotates around the rotating shaft and rotates in a direction away from the headrest 210, the clamping post 220 is driven to leave the fixed slot 110, and the clamping post 220 presses the elastic member 240; when the locking post 220 moves to the forehead opening of the other fixing slot 110 and the driving member 300 stops moving along the first direction, the elastic member 240 may push the locking post 220, and make the rotating seat 230 rotate around the rotating shaft and toward the headrest 210, so that the locking post 220 enters the fixing slot 110, and the moving assembly 200 is switched from the active state to the locking state.

Referring to fig. 6, the locking post 220 is locked to one of the fixing grooves 110, and the headrest 210 is in a locked state; referring to fig. 7, the driver moves along the first direction to drive the rotating seat 230 to rotate, so as to drive the clamping post 220 to leave the fixed slot 110, and switch the headrest 210 to an active state; the driving member 300 continues to move to drive the headrest 210 to move along the first direction, and when the locking post 220 moves to the forehead opening of the other fixing slot 110, the rotating seat 230 rotates around the rotating shaft and rotates towards the direction approaching to the headrest 210, and the locking post 220 enters the fixing slot 110, so that the headrest 210 is switched to a locking state.

Referring to fig. 2, in an embodiment of the present utility model, the adjusting mechanism 1000 may further include a fixing member 400, where the fixing member 400 is located on a side of the seat back 100 away from the headrest 210, and the fixing member 400 is slidably connected to the seat back 100 and fixedly connected to the headrest 210, specifically, the fixing member 400 may be connected to the headrest 210 by a screw, or may be connected by a clamping or other connection manner, which is not limited in this embodiment. Specifically, the fixing member 400 may be provided with guide portions 410, and the guide portions 410 may be two, and the two guide portions 410 may be located at both ends of the fixing member 400, respectively. The end of the seat back 100 facing the fixing piece 400 may be provided with a second guide groove 120 corresponding to the guide part 410, the second guide groove 120 may extend along the first direction, the guide part 410 is slidably connected to the second guide groove 120, when the headrest 210 moves along the first direction, the fixing piece 400 may be driven to move, and the matching of the guide part 410 and the guide groove may improve the accuracy of the moving direction of the headrest 210 and the fixing piece 400, and improve the adjustment accuracy of the headrest 210.

Referring to fig. 2, 4 and 5, in an embodiment of the present utility model, the seat back 100 may be provided with a relief groove 130, the headrest 210 may be provided with a protrusion 214, the protrusion 214 may extend toward the seat back 100, and the relief groove 130 may be adapted to pass through the protrusion 214, based on which the protrusion 214 passes through the relief groove 130 and is connected with the fixing member 400. It is appreciated that the relief groove 130 may extend in a first direction and that the boss 214 may move along the relief groove 130 as the headrest 210 moves.

Referring to fig. 1, 2 and 5, in the embodiment of the present utility model, the end of the headrest 210 may be provided with a through slot 215, specifically, the through slot 215 may be disposed at the top end of the headrest 210, the driving member 300 passes through the through slot 215 to protrude out of the headrest 210, one end of the driving member 300 protruding out of the headrest 210 is provided with a pull ring 310, the pull ring 310 may be directly pulled by a user, and the arrangement of the pull ring 310 may enable the user to perform a one-hand operation, thereby not only reducing the difficulty of adjusting the position of the headrest 210 by the user, but also improving the adjustment efficiency.

Referring to fig. 2, 3 and 4, in the embodiment of the present utility model, the end of the fixing member 400 is provided with the connection groove 320, the connection groove 320 may extend along the second direction, the rotation seat 230 may be disposed through the connection groove 320, specifically, the main body 231 may be disposed through the connection groove 320, and when the driving member 300 moves along the first direction, the main body 231 may abut against the inner wall of the connection groove 320, thereby realizing that the driving member 300 drives the rotation seat 230 to rotate.

The embodiment of the utility model also provides a safety seat, which comprises a headrest, a seat body and the adjusting mechanism 1000 of the above embodiment, wherein the end part of the fixing piece 400 is provided with a connecting groove 320, and the main body 231 is penetrated through the connecting groove 320.

Since the safety seat adopts all the technical solutions of the adjusting mechanism 1000 in the above embodiments, at least all the beneficial effects brought by the technical solutions in the above embodiments are provided, and will not be described in detail herein.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, and finally, it should be described that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. An adjustment mechanism, comprising:

the chair back is provided with a plurality of fixing grooves which are arranged at intervals along a first direction;

the moving assembly comprises a headrest, a clamping column and a rotating seat, wherein the clamping column is arranged on the rotating seat and can be clamped with one of the fixed grooves, the rotating seat is rotationally connected with the headrest, and the clamping column can be driven to enter or leave the fixed groove when the rotating seat rotates;

the driving piece is arranged in the headrest in a penetrating mode and connected with the rotating seat, and can move along the first direction and drive the rotating seat to rotate so as to drive the headrest to move.

2. The adjusting mechanism according to claim 1, wherein the headrest is provided with two clamping grooves, the two clamping grooves are arranged at intervals along a second direction, the second direction is perpendicular to the first direction, the rotating seat comprises a main body and two clamping parts, the main body is fixedly connected with the driving piece, the two clamping parts are located at two ends of the main body, the two clamping grooves are respectively arranged at the two clamping parts, and the driving piece can drive the clamping parts to rotate relative to the clamping grooves.

3. The adjusting mechanism according to claim 2, wherein the headrest is further provided with two first guide grooves, the two first guide grooves are arranged at intervals along the second direction, the two ends of the main body are respectively provided with a first mounting groove, the clamping columns are mounted in the first mounting grooves, the two ends of the clamping columns are respectively located in the two first guide grooves, and the clamping columns can be driven to move along the first guide grooves when the rotating seat rotates.

4. The adjusting mechanism according to claim 1, wherein a second mounting groove is formed in a position of the headrest corresponding to the clamping post, the moving assembly further comprises an elastic member arranged in the second mounting groove, one end of the elastic member is abutted against the bottom wall of the second mounting groove, and the other end of the elastic member is abutted against the peripheral wall of the clamping post.

5. The adjustment mechanism of claim 1, further comprising a securing member positioned on a side of the seat back facing away from the headrest, the securing member being slidably coupled to the seat back in fixed connection with the headrest.

6. The adjustment mechanism of claim 5, wherein the fixing member is provided with a guide portion, and a second guide groove corresponding to the guide portion is provided at an end of the seatback toward the fixing member, the second guide groove extending in the first direction, and the guide portion is slidably connected to the second guide groove.

7. The adjustment mechanism of claim 5, wherein the seatback is provided with a relief groove, the headrest is provided with a boss, and the boss is disposed through the relief groove and connected to the fixing member.

8. The adjusting mechanism as recited in claim 1, wherein an end of the headrest is provided with a through slot, the driving member passes through the through slot to protrude out of the headrest, and a pull ring is provided at an end of the driving member protruding out of the headrest.

9. The adjusting mechanism of claim 5, wherein the end of the fixing member is provided with a connecting groove, and the rotating seat is arranged in the connecting groove in a penetrating manner.

10. A safety seat comprising a headrest, a seat body and an adjustment mechanism according to any one of claims 1 to 9, the headrest being mounted to the headrest, the seat body being mounted to the seat back.