CN214523484U

CN214523484U - Adjustable head support device

Info

Publication number: CN214523484U
Application number: CN202120773830.3U
Authority: CN
Inventors: 柯闽华
Original assignee: Dongguan Shanghao Plastic Products Co ltd
Current assignee: Dongguan Shanghao Plastic Products Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-10-29
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses an adjustable head support device, which relates to the technical field of seat articles and comprises a fixing frame and a back cushion, wherein the fixing frame is provided with an installation part, spacing portion and first coupling mechanism, the installation department is through spacing hookup of spacing portion and mount, can dismantle through first coupling mechanism and mount after installation department and the spacing hookup of mount and be connected, the front end of mount is provided with the mounting groove, be provided with ball adjustment mechanism in the mounting groove, the back cushion passes through ball adjustment mechanism and mounting groove hookup, the back cushion is adjusted around passing through ball adjustment mechanism on the mount, the head holding surface that corresponds with the user head has on the back cushion, the installation department is used for fixing the mount on the carrier, the overall structure is more firm after the design of spacing portion makes installation department and mount to couple, the user can be according to demand back-and-forth movement back cushion, the comfort level is better.

Description

Adjustable head support device

Technical Field

The utility model relates to a seat articles for use technical field specifically is a head strutting arrangement with adjustable.

Background

The car is more and more popular, and the car is gradually the main way for people to go out. At present, in order to better support the head of a user when the user leans on a seat, the user adds a headrest at the position of a headrest support of the seat. In order to fix the back cushion on the headrest pillar, a rubber band is usually sewn on the two sides of the back cushion, and then the rubber band is directly sleeved on the headrest pillar of the seat, so that the purpose of fixing the back cushion on the headrest pillar of the seat is achieved, but the back cushion cannot be adjusted forwards and backwards, and the comfort level is lower.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable head support device comprises a fixed frame and a back cushion; the fixing frame is provided with an installation part, a limiting part and a first connecting mechanism, the installation part is in limiting connection with the fixing frame through the limiting part, and the installation part is in limiting connection with the fixing frame and then is detachably connected with the fixing frame through the first connecting mechanism; the front end of the fixing frame is provided with a mounting groove, a ball adjusting mechanism is arranged in the mounting groove, the back cushion is connected with the mounting groove through the ball adjusting mechanism, and the back cushion is adjusted forwards and backwards on the fixing frame through the ball adjusting mechanism; the headrest has a head support surface thereon corresponding to the head of the user.

As a further aspect of the present invention: the limiting part comprises a limiting convex column formed at the front end of the fixing frame, and the limiting groove penetrates through the middle part of the strut clamping plate from front to back.

As a further aspect of the present invention: the first connecting mechanism comprises a connecting screw rod fixed at the rear end of the pillar splint, a knob nut matched with the connecting screw rod is arranged at the rear end of the fixing frame, connecting holes matched with the connecting screw rod penetrate through the fixing frame from front to back, and the connecting screw rod penetrates through the connecting holes from the front end of the fixing frame and then is in threaded connection with the knob nut.

As a further aspect of the present invention: the connecting screw rods are provided with 2 connecting screw rods, and the 2 connecting screw rods are correspondingly arranged on the left side and the right side of the rear end of the strut clamping plate.

As a further aspect of the present invention: the ball adjusting mechanism comprises a connecting column, the front end of the connecting column is connected with the back cushion, and the rear end of the connecting column is inserted into the mounting groove; the outer surface of the rear end of the connecting column is slidably sleeved with a lock bead sleeve, the lock bead sleeve is provided with a ball mounting hole, and a ball is arranged in the ball mounting hole; a plurality of arc-shaped grooves are formed in the outer surface of the connecting column, the arc-shaped grooves are axially arranged on the connecting column at intervals, and the arc-shaped grooves are matched with the balls; the front end of the lock bead sleeve is fixedly clamped with the mounting groove, the outer surface of the lock bead sleeve is slidably sleeved with a limiting sleeve, and the inner surface of the front end of the limiting sleeve is provided with a pushing part matched with the ball; the ball floats in the radial direction in the ball mounting hole, the opening part of the ball mounting hole is shrunk through riveting, and the ball cannot fall out of the ball mounting hole when floating; the outer surface of the limiting sleeve is connected with a sliding block, a first sliding groove is formed in the inner wall of the mounting groove, a sliding rod is arranged on the first sliding groove in a sliding mode, a second sliding groove matched with the sliding block is formed in one end of the sliding rod, a third sliding groove communicated with the first sliding groove is formed in the outer side of the fixing frame, a pushing cap is arranged on the third sliding groove in a sliding mode, the sliding direction of the pushing cap on the third sliding groove is consistent with the sliding direction of the sliding rod on the first sliding groove, and one end, far away from the sliding block, of the sliding rod is connected with the pushing cap; when the sliding rod slides on the first sliding groove, the sliding block slides on the second sliding groove; when the sliding block slides on the second sliding groove, the limiting sleeve slides forwards or backwards on the lock bead sleeve; when the limiting sleeve slides forwards on the lock ball sleeve, the pushing part is used for pushing the ball into the arc-shaped groove for limiting, so that the lock ball sleeve fixes the connecting column; when the limiting sleeve slides backwards on the lock bead sleeve, the pushing part is far away from the ball, and the lock bead sleeve is in sliding fit with the connecting column.

As a further aspect of the present invention: an elastic part connected with the sliding rod is arranged in the first sliding groove, and when the limiting sleeve slides backwards on the lock bead sleeve, the elastic part is stressed and deformed.

As a further aspect of the present invention: the spliced pole is prismatic setting, all is equipped with the ball mounting hole on every side of spliced pole.

As a further aspect of the present invention: the mounting groove is arranged at the front end of the limiting convex column.

As a further aspect of the present invention: the left end of the fixing frame and the rear end of the fixing frame are both connected with a side back cushion, and the rear end of the fixing frame is connected with a mobile phone support.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the first connecting mechanism is used for connecting the fixing frame with the headrest pillar, and the first connecting mechanism is used for connecting the fixing frame with the headrest pillar;

secondly, the back cushion is adjusted back and forth on the fixing frame through the ball adjusting mechanism, so that a user can move the back cushion back and forth according to requirements, and the comfort level is better;

and (III) after the position of the back cushion is adjusted, the user only needs to loosen the push cap, the elastic part is deformed and restored to drive the limiting sleeve to slide forwards, and the ball is pushed into the arc-shaped groove by the pushing part when being aligned with the arc-shaped groove, so that the connecting column is fixed by the lock ball sleeve, and the adjusting process is more convenient.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a top view of the structure of the present invention;

FIG. 3 is a schematic structural view of the present invention without the upper frame body;

FIG. 4 is an enlarged view of a portion of the structure at A in FIG. 3;

FIG. 5 is an enlarged view of a portion of the structure at B in FIG. 3;

FIG. 6 is a schematic structural view of the present invention without the lower frame;

FIG. 7 is an enlarged view of a portion of the structure at C in FIG. 6;

fig. 8 is an exploded view of the structure of the present invention;

fig. 9 is a schematic structural view of the stop collar of the present invention;

FIG. 10 is a schematic structural view of the connecting column of the present invention;

FIG. 11 is a schematic structural view of a lock bead sleeve according to the present invention;

FIG. 12 is a schematic view of the assembly structure of the ball bearing of the present invention;

FIG. 13 is an enlarged view of a portion of the structure shown in FIG. 12 at D;

fig. 14 is a perspective view of another structure of the present invention;

the reference numerals and names in the figures are as follows:

the mobile phone support comprises a fixed frame-1, a strut splint-2, a headrest-3, a limiting groove-4, a mounting groove-5, a limiting convex column-6, a connecting screw rod-7, a knob nut-8, a connecting hole-9, a connecting column-10, a lock bead sleeve-11, a ball mounting hole-12, a ball-13, an arc groove-14, a limiting sleeve-15, a pushing part-16, a sliding block-17, a first sliding groove-18, a sliding rod-19, a second sliding groove-20, a third sliding groove-21, a pushing cap-22, an elastic piece-23, a side headrest-24, a mobile phone support-25, an upper support body-101 and a lower support body-102.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 13, in an embodiment of the present invention, an adjustable head support device includes a fixing frame 1 and a headrest 3. The fixing frame 1 may be composed of an upper frame 101 and a lower frame 102 detachably connected to each other. The headrest has a head support surface thereon corresponding to the head of the user. The fixing frame 1 is provided with an installation part, a limiting part and a first connecting mechanism, the installation part is in limiting connection with the fixing frame 1 through the limiting part, and the installation part is detachably connected with the fixing frame 1 through the first connecting mechanism after being in limiting connection with the fixing frame 1 and is used for fixing the fixing frame 1 on a headrest pillar of a seat or other carriers. Preferably, the installation department is including setting up in the pillar splint 2 of mount 1 front end, and spacing portion is equipped with the spacing groove 4 that matches with spacing projection 6 including the spacing projection 6 of shaping in mount 1 front end on the pillar splint 2, and the overall structure is more firm after spacing projection 6 and spacing groove 4's design make pillar splint 2 be connected with mount 1. The pillar splint 2 is detachably connected to the front end of the fixing frame 1 through a first connecting mechanism, can be used for adjusting the clamping width, and has better applicability.

The first connecting mechanism comprises a connecting screw rod 7 fixed at the rear end of the pillar splint 2, a knob nut 8 matched with the connecting screw rod 7 is arranged at the rear end of the fixing frame 1, connecting holes 9 matched with the connecting screw rod 7 penetrate through the front and the rear of the fixing frame 1, the connecting screw rod 7 penetrates through the connecting holes 9 from the front end of the fixing frame 1 and then is in threaded connection with the knob nut 8, and the mounting mode is simple and convenient. The knob nut 8 can be directly and manually screwed without auxiliary tools, the dismounting is more convenient, the limiting part comprises a limiting convex column 6 formed at the front end of the fixing frame 1, the limiting groove 4 runs through the middle part of the supporting column clamping plate 2, the connecting screw rods 7 are provided with 2, the 2 connecting screw rods 7 are correspondingly arranged at the left side and the right side of the rear end of the supporting column clamping plate 2, and the whole structure is further reinforced.

The front end of mount 1 still is provided with mounting groove 5, is provided with ball adjustment mechanism in the mounting groove 5, and back cushion 3 passes through ball adjustment mechanism and 5 hookups of mounting groove, and back and forth adjustment is carried out on mount 1 through ball adjustment mechanism to back cushion 3, and the user can be according to the demand back-and-forth movement back cushion, and the comfort level is better. Preferably, the opening of the mounting groove 5 is arranged at the front end of the limiting convex column 6, so that the whole body is more attractive.

The ball adjusting mechanism comprises a connecting column 10, the front end of the connecting column 10 is connected with the back cushion 3, and the rear end of the connecting column 10 is inserted into the mounting groove 5. The outer surface of the rear end of the connecting column 10 is slidably sleeved with a lock bead sleeve 11, a ball mounting hole 12 is formed in the lock bead sleeve 11, and a ball 13 is arranged in the ball mounting hole 12; a plurality of arc-shaped grooves 14 are formed in the outer surface of the connecting column 10, the arc-shaped grooves 14 are axially arranged on the connecting column 10 at intervals, and the arc-shaped grooves 14 are matched with the balls 13; the front end of the lock bead sleeve 11 is fixedly clamped with the mounting groove 5, the outer surface of the lock bead sleeve 11 is slidably sleeved with a limiting sleeve 15, and the inner surface of the front end of the limiting sleeve 15 is formed with a pushing part 16 matched with the ball 13; the balls 13 float in the radial direction in the ball mounting holes 12, and the opening portions of the ball mounting holes 12 are narrowed by caulking, so that the balls 13 do not come out of the ball mounting holes 12 when floating. The outer surface of the limiting sleeve 15 is connected with a sliding block 17, a first sliding groove 18 is formed in the inner wall of the mounting groove 5, a sliding rod 19 is arranged on the first sliding groove 18 in a sliding mode, a second sliding groove 20 matched with the sliding block 17 is formed in one end of the sliding rod 19, a third sliding groove 21 communicated with the first sliding groove 18 is formed in the outer side of the fixing frame 1, a pushing cap 22 is arranged on the third sliding groove 21 in a sliding mode, the sliding direction of the pushing cap 22 on the third sliding groove 21 is consistent with the sliding direction of the sliding rod 19 on the first sliding groove 18, and one end, far away from the sliding block 17, of the sliding rod 19 is connected with the pushing cap 22. When the sliding rod 19 slides on the first sliding groove 18, the sliding block 17 slides on the second sliding groove 20; when the slide block 17 slides on the second slide groove 20, the position limiting sleeve 15 slides forwards or backwards on the lock bead sleeve 11. When the limiting sleeve 15 slides forwards on the lock bead sleeve 11, the pushing part 16 is used for pushing the ball 13 into the arc-shaped groove 14 for limiting, so that the lock bead sleeve 11 fixes the connecting column 10; when the limiting sleeve 15 slides backwards on the lock bead sleeve 11, the pushing part 16 is far away from the ball 13, and the lock bead sleeve 11 is in sliding fit with the connecting column 10. After the headrest 3 is adjusted, the locking ball sleeve 11 is used for fixing the connecting column 10 in a way that the pushing part 16 pushes the rolling balls 13, so that the headrest is convenient and simple. Preferably, the spliced pole is prismatic setting, all is equipped with the ball mounting hole on every side edge of spliced pole, and the lock ball cover 11 is fixed spliced pole 10 through a plurality of balls, and overall structure is more stable.

Furthermore, an elastic part 23 connected with the slide rod 19 is arranged in the first sliding groove 18, and when the limiting sleeve 15 slides backwards on the lock bead sleeve 11, the elastic part 23 is stressed and deformed. After the user adjusts the position of the back cushion 3, the elastic piece 23 is deformed and restored to drive the limiting sleeve 15 to slide forwards only by loosening the push cap 22, and the ball 13 is pushed into the arc-shaped groove 14 by the pushing part 16 when being aligned with the arc-shaped groove 14, so that the connecting column 10 is fixed by the lock ball sleeve 11, and the adjusting process is more convenient.

Referring to fig. 14, preferably, the left side end of the fixing frame 1 and the rear side end of the fixing frame 1 are both connected with a side headrest 24, so that a user can lean on both the left side and the right side, and the rear end of the fixing frame 1 is connected with a mobile phone support 25, so that the whole function is more, and the practicability is better.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An adjustable head support device, comprising: comprises a fixed frame and a back cushion;

the fixing frame is provided with an installation part, a limiting part and a first connecting mechanism, the installation part is in limiting connection with the fixing frame through the limiting part, and the installation part is in limiting connection with the fixing frame and then is detachably connected with the fixing frame through the first connecting mechanism;

the front end of the fixing frame is provided with a mounting groove, a ball adjusting mechanism is arranged in the mounting groove, the back cushion is connected with the mounting groove through the ball adjusting mechanism, and the back cushion is adjusted forwards and backwards on the fixing frame through the ball adjusting mechanism;

the headrest has a head support surface thereon corresponding to the head of the user.

2. An adjustable head support according to claim 1, wherein: the ball adjusting mechanism comprises a connecting column, the front end of the connecting column is connected with the back cushion, and the rear end of the connecting column is inserted into the mounting groove;

the outer surface of the rear end of the connecting column is slidably sleeved with a lock bead sleeve, the lock bead sleeve is provided with a ball mounting hole, and a ball is arranged in the ball mounting hole; a plurality of arc-shaped grooves are formed in the outer surface of the connecting column, the arc-shaped grooves are axially arranged on the connecting column at intervals, and the arc-shaped grooves are matched with the balls; the front end of the lock bead sleeve is fixedly clamped with the mounting groove, the outer surface of the lock bead sleeve is slidably sleeved with a limiting sleeve, and the inner surface of the front end of the limiting sleeve is provided with a pushing part matched with the ball;

the ball floats in the radial direction in the ball mounting hole, the opening part of the ball mounting hole is shrunk through riveting, and the ball cannot fall out of the ball mounting hole when floating;

the outer surface of the limiting sleeve is connected with a sliding block, a first sliding groove is formed in the inner wall of the mounting groove, a sliding rod is arranged on the first sliding groove in a sliding mode, a second sliding groove matched with the sliding block is formed in one end of the sliding rod, a third sliding groove communicated with the first sliding groove is formed in the outer side of the fixing frame, a pushing cap is arranged on the third sliding groove in a sliding mode, the sliding direction of the pushing cap on the third sliding groove is consistent with the sliding direction of the sliding rod on the first sliding groove, and one end, far away from the sliding block, of the sliding rod is connected with the pushing cap;

when the sliding rod slides on the first sliding groove, the sliding block slides on the second sliding groove; when the sliding block slides on the second sliding groove, the limiting sleeve slides forwards or backwards on the lock bead sleeve;

when the limiting sleeve slides forwards on the lock ball sleeve, the pushing part is used for pushing the ball into the arc-shaped groove for limiting, so that the lock ball sleeve fixes the connecting column; when the limiting sleeve slides backwards on the lock bead sleeve, the pushing part is far away from the ball, and the lock bead sleeve is in sliding fit with the connecting column.

3. An adjustable head support according to claim 2, wherein: an elastic part connected with the sliding rod is arranged in the first sliding groove, and when the limiting sleeve slides backwards on the lock bead sleeve, the elastic part is stressed and deformed.

4. An adjustable head support according to claim 2, wherein: the spliced pole is prismatic setting, all is equipped with the ball mounting hole on every side of spliced pole.

5. An adjustable head support according to any one of claims 2 to 4, wherein: the installation department is including setting up in the pillar splint of mount front end, and spacing portion is equipped with the spacing groove that matches with spacing projection including the shaping in the spacing projection of mount front end on the pillar splint, runs through the middle part at the pillar splint around the spacing groove.

6. An adjustable head support according to claim 5, wherein: the first connecting mechanism comprises a connecting screw rod fixed at the rear end of the pillar splint, a knob nut matched with the connecting screw rod is arranged at the rear end of the fixing frame, connecting holes matched with the connecting screw rod penetrate through the fixing frame from front to back, and the connecting screw rod penetrates through the connecting holes from the front end of the fixing frame and then is in threaded connection with the knob nut.

7. An adjustable head support according to claim 6, wherein: the connecting screw rods are provided with 2 connecting screw rods, and the 2 connecting screw rods are correspondingly arranged on the left side and the right side of the rear end of the strut clamping plate.

8. An adjustable head support according to any one of claims 6 to 7, wherein: the opening of the mounting groove is arranged at the front end of the limiting convex column.

9. An adjustable head support according to claim 1 or 2 or 3 or 4 or 6 or 7, wherein: the left end of the fixing frame and the rear end of the fixing frame are both connected with a side back cushion, and the rear end of the fixing frame is connected with a mobile phone support.