CN218616378U

CN218616378U - Headrest double-unlocking mechanism

Info

Publication number: CN218616378U
Application number: CN202223047780.4U
Authority: CN
Inventors: 魏志远; 王磊
Original assignee: Ningbo Jifeng Auto Parts Co Ltd
Current assignee: Ningbo Jifeng Auto Parts Co Ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-14
Anticipated expiration: 2032-11-16

Abstract

The utility model belongs to the technical field of the headrest unblock, a headrest double-unlocking mechanism is provided, include: the headrest frame is connected with a support rod, and a plurality of first adjusting grooves are formed in the support rod; the moving assembly is provided with a moving column, and the moving column is provided with a plurality of second adjusting grooves; the unlocking assembly is provided with a rotating push plate, a first clamping piece is arranged at the lower part of the rotating push plate and movably clamped with the first adjusting groove, and a second clamping piece is arranged at the upper part of the rotating push plate and movably clamped with the second adjusting groove; the promotion subassembly promotes to be provided with the push rod on the subassembly, when the push rod promotes to rotate the push pedal and rotates, rotates the push pedal and can drive first joint spare and second joint spare and break away from with first adjustment tank and second adjustment tank respectively. Compared with the prior art, the utility model has the advantages of can realize about the double-unlocking simultaneously fast through promoting the push rod, double-unlocking can raise the efficiency.

Description

Headrest double-unlocking mechanism

Technical Field

The utility model relates to a headrest unblock technical field specifically is a two unblock mechanisms of headrest.

Background

The headrest can provide the supporting role for the user, different users need to adjust the position of headrest to the in-service use condition, and then need unblock headrest messenger headrest can the active movement, it makes things convenient for headrest shift position to add unlocking means, but the current problem is that current headrest is provided with a plurality of moving direction, for example, can all adjust from top to bottom around, but release mechanism can not carry out synchronous unblock from top to bottom, need add the locking structure of the locking structure or the locking structure of back-and-forth movement that reciprocate alone, reduce unblock efficiency and additionally add spare part and can improve manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the current situation of the prior art is to provide a headrest double-unlocking mechanism.

In order to solve the technical scheme problem, the utility model provides a headrest is two to be unlocked mechanism, include: the headrest frame is connected with a support rod, and a plurality of first adjusting grooves are formed in the support rod;

the moving assembly is movably sleeved on the support rod and is positioned in the headrest frame, a moving column is arranged on the moving assembly, and a plurality of second adjusting grooves are formed in the moving column;

the locking assembly is movably arranged on the moving assembly, a rotating push plate is arranged on the locking assembly, a first clamping piece is arranged at the lower part of the rotating push plate and movably clamped with the first adjusting groove, and a second clamping piece is arranged at the upper part of the rotating push plate and movably clamped with the second adjusting groove;

the push assembly is arranged on one side of the headrest frame, a push rod is arranged on the push assembly, one end of the push rod is connected with the rotating push plate, and when the push rod pushes the rotating push plate to rotate, the rotating push plate can drive the first clamping piece and the second clamping piece to be separated from the first adjusting groove and the second adjusting groove respectively.

In foretell two release mechanisms of headrest, be provided with on the removal subassembly and remove the seat, its movable sleeve is located on the branch, remove the post activity set up in remove in the seat and the perpendicular to branch, be provided with rotation groove and shifting chute in the removal seat, it is located to rotate the push pedal rotate the inslot, first joint spare is located the shifting chute.

In foretell two release mechanisms of headrest, be provided with the dwang in the rotation push pedal, dwang upper portion is provided with the push pedal, the push pedal with second joint spare joint, the dwang lower part is provided with down the push pedal, down the push pedal with first joint spare activity is supported and is leaned on, the dwang front end is provided with and promotes the piece, promote the piece with push rod one end is connected.

In the above-mentioned headrest double unlocking mechanism, the first clip member includes: the moving plate is arranged in the moving groove, an abutting block is arranged in the middle of the moving plate and movably abutted against the lower push plate, a first spring is connected to the abutting block, and the other end of the first spring is connected with the moving seat;

the clamping groove is formed in the end portion of the moving plate, an adjusting steel wire penetrates through the clamping groove, and the other portion of the adjusting steel wire penetrates through the first adjusting groove to be connected to the moving seat.

In foretell two release mechanisms of headrest, be provided with the joint board on the second joint spare, the joint board tip with second adjustment tank activity joint, the joint board mid portion is provided with the activity groove, the push pedal with activity groove activity joint, the joint board both ends are provided with second spring and third spring respectively, the second spring other end with remove the seat and connect, the third spring other end with remove the seat and connect.

In foretell two release mechanism of headrest, promote including spacing frame on the subassembly, the terminal surface is on a parallel with before the spacing frame headrest frame lateral part, spacing frame rear end face is provided with connecting hole and spread groove, spacing frame internalization is provided with the button, be provided with on the button and push down the post, push up the post activity run through in the connecting hole just is provided with the fourth spring, fourth spring one end supports and leans on spacing frame rear end face, push rod one end runs through the spread groove with push down the support connection, push rod upper portion is provided with the fifth spring, the fifth spring other end is connected on the headrest frame.

In foretell two release mechanisms of headrest, the front and back end of removing the post all is provided with blocks the bolt, block the bolt with it supports to remove the seat activity and lean on.

Compared with the prior art, the utility model discloses main advantage has:

1. through promoting the push rod can realize upper and lower two unblocks in front and back simultaneously fast, two unblocks can raise the efficiency.

2. When the movable column moves back and forth, the blocking bolt can limit the moving path of the movable column, and the movable column is prevented from being separated from the movable seat.

Drawings

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of a headrest dual release mechanism;

FIG. 2 is a perspective view of the dual unlocking mechanism;

FIG. 3 is a perspective view of the front of the dual unlocking mechanism;

FIG. 4 is a perspective view of the rear of the dual unlatching mechanism;

fig. 5 is a perspective view of a second clip member;

fig. 6 is a perspective view of the first clip member;

FIG. 7 is a perspective view of the movable base;

FIG. 8 is a perspective view of a strut;

fig. 9 is a perspective view of the button.

In the drawings, 1, a headrest frame; 2. a strut; 3. a first adjustment groove; 4. moving the column; 5. a second adjustment groove; 6. a push rod; 7. a movable seat; 8. a rotating groove; 9. a moving groove; 10. rotating the rod; 11. a push plate is arranged; 12. a lower push plate; 13. a pushing block; 14. moving the plate; 15. a leaning block; 16. a first spring; 17. a card slot; 18. adjusting the steel wire; 19. a clamping and connecting plate; 20. a movable groove; 21. a second spring; 22. a third spring; 23. a limiting frame; 24. connecting holes; 25. Connecting grooves; 26. a button; 27. pushing the column upwards; 28. pushing the column downwards; 29. a fourth spring; 30. A fifth spring; 31. blocking the latch.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 5, the headrest double unlocking mechanism of the present invention includes: the headrest frame 1 is connected with a support rod 2, and a plurality of first adjusting grooves 3 are formed in the support rod 2; the moving assembly is movably sleeved on the support rod 2 and is positioned in the headrest frame 1, a moving column 4 is arranged on the moving assembly, and a plurality of second adjusting grooves 5 are formed in the moving column 4; the locking assembly is movably arranged on the moving assembly, a rotating push plate is arranged on the locking assembly, a first clamping piece is arranged at the lower part of the rotating push plate and movably clamped with the first adjusting groove 3, a second clamping piece is arranged at the upper part of the rotating push plate and movably clamped with the second adjusting groove 5; the promotion subassembly, it sets up in 1 one side of headrest frame, is provided with push rod 6 on the promotion subassembly, and 6 one end of push rod are connected with the rotation push pedal, when push rod 6 promotes to rotate the push pedal and rotate, rotate the push pedal and can drive first joint spare and second joint spare and break away from with first adjustment tank 3 and second adjustment tank 5 respectively.

When the chair back locking device is in an initial state, the first clamping piece and the first adjusting groove 3 are clamped together, the second clamping piece and the second adjusting groove 5 are clamped together, the first adjusting grooves 3 are adjacently distributed on the supporting rod 2, the second adjusting grooves 5 are adjacently distributed on the moving column 4, preferably, the front end of the moving column 4 can be connected with the front headrest of the automobile, when the up-down and front-back positions of the front headrest need to be adjusted, the positions of the first clamping piece and the first adjusting groove 3 and the positions of the second clamping piece and the second adjusting groove 5 can be adjusted by pushing the push rod 6, the rotating push plate can be driven to rotate anticlockwise as shown in figure 1 when the push rod 6 is pushed, the first clamping piece moves rightwards to be separated from the first adjusting groove 3, the second clamping piece moves leftwards to be separated from the second adjusting groove 5, at the moment, the moving column 4 can continue to move forwards and backwards and forwards to find the appropriate second adjusting groove 5, the moving column 4 moves forwards and backwards in the whole of the moving assembly, the pushing rod 4 can drive the whole moving assembly to move upwards and downwards to move to further to move to achieve the purpose of increasing the unlocking efficiency of the unlocking of the double-locking and unlocking of the double-locking mechanism by pushing the pushing rod 6, and the double-back locking mechanism can be used for unlocking mechanism, and for increasing the double-up-down unlocking mechanism.

Further, as shown in fig. 2 and 9:

the moving assembly is provided with a moving seat 7, the moving seat is sleeved on the supporting rod 2, the moving column 4 is movably arranged in the moving seat 7 and is perpendicular to the supporting rod 2, a rotating groove 8 and a moving groove 9 are arranged in the moving seat 7, the rotating push plate is located in the rotating groove 8, and the first clamping piece is located in the moving groove 9.

Push rod 6 can promote to rotate the push pedal 8 rotations in the rotation groove, can drive first joint spare when rotating the push pedal and move about in shifting chute 9 and control or break away from with 3 blocks in first adjustment tank, second joint spare and 5 blocks in second adjustment tank or break away from, when being in and taking off the lock state, the removal post 4 can be in the 2 back-and-forth movements of removal seat of perpendicular to branch 7, and the pulling removes post 4 and can also drive and remove seat 7 and reciprocate on branch 2 and adjust, realize closing the lock simultaneously when will be about from top to bottom position adjustment to suitable position.

Further, as shown in fig. 1 and fig. 6:

rotating push plate is last to be provided with dwang 10, and dwang 10 upper portion is provided with push plate 11, and push plate 11 and second joint spare joint are gone up, and dwang 10 lower part is provided with down push plate 12, and lower push plate 12 supports with first joint spare activity and leans on, and dwang 10 front end is provided with and promotes piece 13, promotes piece 13 and is connected with push rod 6 one end.

When the push rod 6 drives the push block 13 to rotate to the left as shown in fig. 1, the push block 13 can drive the rotating rod 10 to rotate anticlockwise, the upper push plate 11 drives the second clamping piece to move leftwards to be separated from the second adjusting groove 5, and the lower push plate 12 drives the first clamping piece to move rightwards to be separated from the first adjusting groove 3, so that bidirectional unlocking is realized.

Further, as shown in fig. 1 and fig. 6:

the first clip includes: the moving plate 14 is arranged in the moving groove 9, the middle part of the moving plate 14 is provided with an abutting block 15, the abutting block 15 is movably abutted with the lower push plate 12, the abutting block 15 is connected with a first spring 16, and the other end of the first spring 16 is connected with the moving seat 7; and the clamping groove 17 is arranged at the end part of the moving plate 14, an adjusting steel wire 18 is connected to the clamping groove 17 in a penetrating manner, and the other part of the adjusting steel wire 18 penetrates through the first adjusting groove 3 to be connected to the moving seat 7.

The push rod 6 pushes the push block 13 to rotate so as to drive the rotating rod 10 to rotate, the rotating rod 10 drives the lower push plate 12 to rotate anticlockwise as shown in fig. 1, the abutting block 15 can be pushed to enable the moving plate 14 to move rightwards in the moving groove 9, the adjusting steel wire 18 connected to the clamping groove 17 moves rightwards along with the moving plate 14 so as to be separated from the first adjusting groove 3, the first spring 16 is in a compressed state at the moment, the push rod 6 is loosened when the upper position and the lower position are adjusted to be proper, when the pushing force on the push rod 6 disappears, the first spring 16 extends and resets to enable the moving plate 14 to move leftwards, the adjusting steel wire 18 is driven to be clamped into the first adjusting groove 3, and the effect of moving upwards and downwards is achieved by locking and unlocking.

Further, as shown in fig. 1, 2, and 5:

the second clamping piece is provided with a clamping plate 19, the end part of the clamping plate 19 is movably clamped with the second adjusting groove 5, the middle part of the clamping plate 19 is provided with a movable groove 20, the upper push plate 11 is movably clamped with the movable groove 20, two ends of the clamping plate 19 are respectively provided with a second spring 21 and a third spring 22, the other end of the second spring 21 is connected with the moving seat 7, and the other end of the third spring 22 is connected with the moving seat 7.

The upper push plate 11 is movably clamped with the clamping plate 19 through the movable groove 20, when the upper push plate 11 drives the clamping plate 19 to move leftwards, the end part of the clamping plate 19 is separated from the second adjusting groove 5, the second spring 21 is compressed, the third spring 22 extends, when the clamping plate 19 is adjusted to the second adjusting groove 5 which is suitable in front and back, the second spring 21 and the third spring 22 extend and reset to drive the clamping plate 19 to move rightwards and be clamped with the second adjusting groove 5, and the effect of moving forwards and backwards is achieved by locking and unlocking.

Further, as shown in fig. 1, 3, 4 and 9:

including spacing frame 23 on the promotion subassembly, the terminal surface is on a parallel with headrest frame 1 lateral part before spacing frame 23, spacing frame 23 rear end face is provided with connecting hole 24 and spread groove 25, spacing frame 23 internalization is provided with button 26, be provided with last push post 27 and the lower push post 28 of pushing down on the button 26, the activity of going up push post 27 runs through in connecting hole 24 and is provided with fourth spring 29, fourth spring 29 one end supports and leans on at spacing frame 23 rear end face, push rod 6 one end runs through the spread groove 25 and is connected with lower push post 28, push rod 6 upper portion is provided with fifth spring 30, the fifth spring 30 other end is connected on headrest frame 1.

The button 26 is movably arranged in the headrest frame 1, when the button 26 is pressed inwards, the upper push column 27 penetrates through the connecting hole 24 and leaks out of the limiting frame 23, the fourth spring 29 is in a compressed state, the lower push column 28 drives the push rod 6 to move leftwards as shown in fig. 1 so as to push the push block 13 to rotate for unlocking, the fifth spring 30 is in a stretched state, after the upper part, the lower part, the front part and the rear part are unlocked, the position adjustment is completed, when the button 26 is released, the fourth spring 29 and the fifth spring 30 extend and reset, the locking assembly is locked again, and the double-unlocking effect is quickly realized by pressing the button 26.

Further, as shown in fig. 2:

the front end and the rear end of the movable column 4 are respectively provided with a blocking bolt 31, the blocking bolts 31 are movably abutted to the movable seat 7, when the movable column 4 moves in the front and the rear direction, the blocking bolts 31 can limit the moving path of the movable column 4, and the movable column 4 is prevented from being separated from the movable seat 7.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A headrest dual-unlocking mechanism, comprising: the headrest frame is connected with a support rod, and a plurality of first adjusting grooves are formed in the support rod;

2. The headrest double-unlocking mechanism as claimed in claim 1, wherein the moving assembly is provided with a moving seat, a movable sleeve of the moving seat is sleeved on the supporting rod, the moving column is movably arranged in the moving seat and perpendicular to the supporting rod, a rotating groove and a moving groove are arranged in the moving seat, the rotating push plate is located in the rotating groove, and the first clamping member is located in the moving groove.

3. The headrest double-unlocking mechanism according to claim 2, wherein a rotating rod is arranged on the rotating push plate, an upper push plate is arranged on the upper portion of the rotating rod and clamped with the second clamping piece, a lower push plate is arranged on the lower portion of the rotating rod and movably abutted against the first clamping piece, and a pushing block is arranged at the front end of the rotating rod and connected with one end of the pushing rod.

4. The headrest dual-unlocking mechanism as claimed in claim 3, wherein said first snap-in member includes: the moving plate is arranged in the moving groove, an abutting block is arranged in the middle of the moving plate, the abutting block is movably abutted against the lower push plate, a first spring is connected to the abutting block, and the other end of the first spring is connected with the moving seat;

5. The headrest double-unlocking mechanism according to claim 4, wherein a clamping plate is arranged on the second clamping piece, the end portion of the clamping plate is movably clamped with the second adjusting groove, a movable groove is formed in the middle of the clamping plate, the upper pushing plate is movably clamped with the movable groove, a second spring and a third spring are arranged at two ends of the clamping plate respectively, the other end of the second spring is connected with the moving seat, and the other end of the third spring is connected with the moving seat.

6. The headrest double-unlocking mechanism according to claim 5, wherein the pushing assembly comprises a limiting frame, the front end face of the limiting frame is parallel to the side portion of the headrest frame, the rear end face of the limiting frame is provided with a connecting hole and a connecting groove, a button is movably arranged in the limiting frame, an upward pushing column and a downward pushing column are arranged on the button, the upward pushing column movably penetrates through the connecting hole and is provided with a fourth spring, one end of the fourth spring abuts against the rear end face of the limiting frame, one end of the push rod penetrates through the connecting groove and is connected with the downward pushing column, a fifth spring is arranged on the upper portion of the push rod, and the other end of the fifth spring is connected to the headrest frame.

7. The headrest dual-unlocking mechanism as claimed in claim 2, wherein blocking bolts are disposed at both front and rear ends of said moving post, and said blocking bolts are movably abutted against said moving seat.