CN218457725U - Head pillow - Google Patents

Abstract

The utility model discloses a headrest, which comprises a headrest component and a supporting seat used for supporting the headrest component, wherein the supporting seat is configured to be connected with a seat; the supporting seat is provided with a sliding rod which extends forwards, and the headrest component comprises a headrest and a sliding part which is in sliding connection with the sliding rod; a gear adjusting mechanism is arranged between the headrest component and the slide bar; the gear adjusting mechanism comprises gear teeth arranged on one of the sliding part or the sliding rod, and a plurality of tooth sockets are arranged on the gear teeth; an elastic clamping piece is correspondingly arranged on the other one of the sliding part or the sliding rod, and a clamping head capable of being clamped and matched with the tooth groove is arranged on the elastic clamping piece; when the headrest assembly is adjusted to move forwards, the clamping heads are sequentially clamped with the tooth grooves under the action of the elastic force of the elastic clamping pieces so as to realize gear adjustment of the headrest assembly; the front and back depth adjustment of the headrest can be realized by the sliding part sliding relative to the sliding rod, the chuck is clamped with the tooth socket to realize multi-gear adjustment of the headrest, and the adjusting effect is better.

Description

Head pillow

Technical Field

The utility model relates to a thing to sit on field, in particular to headrest.

Background

The office chair is widely accepted and loved by people as a seat which is widely used in work and life of people, is one of essential furniture in modern office and household environments, and the headrest is used as the standard configuration of a high-end office chair and has good comfort and practical adjusting function, so that the office chair is most important for consumers. The headrests of the earliest office chairs on the market are generally fixed, and the sizes of all people are different, and the headrest fixed in a certain position cannot enable all people to be in the optimal comfort position. Even if the adjustment of the headrest position is achieved by the elastic characteristics of the headrest material, the reaction force thereof presses the head, neck, or the like of the human body. The most common seat headrests in the market have the lifting adjusting function, and the headrests of the type can be lifted up and down along a headrest rod to improve the use comfort of the seat; such headrests are height adjustable to accommodate users of different heights; however, when the user uses the chair, the user has a plurality of using states, and sometimes needs to lean against the head at a slightly backward position when the user needs to relax; when the computer is needed to work, the headrest is required to protrude forwards to provide obvious supporting function for the head; the headrest which can only be adjusted in a lifting way cannot meet the requirements, and cannot completely meet the requirement of a user on comfort; therefore, it is highly desirable to design a headrest capable of adjusting the depth of the seat back and forth in a seat for daily use.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a headrest capable of moving back and forth, wherein a slide bar extending towards the front is arranged on a support seat of the headrest, and a sliding part on a headrest component is connected on the slide bar in a sliding way, so that the sliding part slides relative to the slide bar to realize the depth adjustment of the headrest back and forth; a gear adjusting mechanism is arranged between the sliding part and the sliding rod, so that the clamping head can be clamped with the tooth socket in the forward sliding process of the headrest assembly to realize multi-gear adjustment; overall structure is simple, convenient operation, and it is more obvious to make the headrest subassembly adjust the effect from beginning to end.

The technical scheme of the utility model is realized like this:

a headrest comprising a headrest assembly and a support base for supporting the headrest assembly, the support base being configured for attachment to a seat; the support seat is provided with a sliding rod which extends forwards, and the headrest component comprises a headrest and a sliding part which is in sliding connection with the sliding rod; a gear adjusting mechanism is arranged between the headrest component and the sliding rod; the gear adjusting mechanism comprises gear teeth arranged on one of the sliding part or the sliding rod, and a plurality of tooth sockets are arranged on the gear teeth; an elastic clamping piece is correspondingly arranged on the other one of the sliding part or the sliding rod, and a clamping head capable of being clamped and matched with the tooth socket is arranged on the elastic clamping piece; when the headrest assembly is adjusted to move forwards, the clamping heads are sequentially clamped with the tooth grooves under the elastic action of the elastic clamping pieces, so that the gear adjustment of the headrest assembly is realized.

Preferably, the sliding rod is provided with an inward concave gear groove, the gear teeth are arranged in the gear groove, and a circulating guide groove is formed between the gear teeth and the gear groove at intervals; and in the process that the headrest assembly slides back and forth along the sliding rod, the clamping head circularly moves in the circular guide groove.

Preferably, the circulation guide groove includes a shift gate groove on one side of the shift gate having the tooth space, and a reset groove on the other side of the shift gate; when the headrest assembly slides forwards, the clamping head moves in the gear groove channel; when the headrest assembly slides backwards along the sliding rod, the clamping head moves in the reset channel.

Preferably, the elastic clamping piece is strip-shaped, the clamping head is arranged at the rear end of the elastic clamping piece, and the front end of the elastic clamping piece is fixedly connected with the sliding part; and the elastic clamping piece can deflect left and right relative to the sliding part so as to drive the clamping head to move left and right in the circulating guide groove.

Preferably, the sliding part is a long strip-shaped sleeve which is sleeved on the sliding rod in a sliding manner; the elastic clamping piece is connected inside the sleeve, and the clamping head is perpendicular to the sliding rod.

Preferably, the sliding rod extends forwards and upwards in an inclined mode, and after the sleeve is in sliding fit with the sliding rod, the clamping head is limited in the circulating guide groove.

Preferably, an elastic reset device is further arranged in the sleeve, the elastic reset device comprises two elastic columns which are symmetrically arranged, and the elastic clamping piece is connected with the sleeve; the elastic clamping piece is positioned between the two elastic columns; when the elastic clamping piece deflects left and right, the elastic column generates corresponding elastic deformation to provide the elastic force for resetting the elastic clamping piece.

Preferably, the elastic clamping piece is made of elastic plastic, and the elastic column is made of elastic plastic.

Preferably, the sleeve is in sliding fit with the headrest, a sliding groove is longitudinally formed in the headrest, and a guide block protruding forwards is correspondingly arranged at the front end of the sleeve; the guide block is connected in the sliding groove in a sliding mode.

Preferably, the gear teeth comprise tooth base parts arranged along the length direction of the sliding rod and a plurality of tooth columns arranged on the tooth base parts at intervals; the tooth socket is formed between two adjacent tooth columns; and the tooth columns extend upwards and obliquely towards one side direction of the tooth base part.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

firstly, the headrest of the utility model can realize forward movement adjustment and backward movement reset of the headrest component relative to the supporting seat through one-time circular movement of the chuck in the circular guide groove; the structure is simple and ingenious, and the gear adjustment when the headrest assembly moves forwards can be realized by sequentially clamping the clamping heads with the tooth sockets; the headrest component can be adjusted only by directly acting on the headrest component without additionally arranging a control switch; the operation is very convenient.

Secondly, in the structure, the elastic clamping piece and the elastic column are made of elastic plastic materials, so that the cost is very low; compare with some lift, glide machanism of traditional being equipped with extension spring, steel sheet, make whole mechanism more retrencied undoubtedly, the production and processing cost that has significantly reduced.

Furthermore, in the headrest, the sliding part is a sleeve which is sleeved on the sliding rod; after the headrest assembly is slidably connected with the supporting seat, the adjusting mechanisms are hidden in the sleeve; the whole body is more simple and beautiful, and the modern aesthetic requirement is met.

Drawings

Fig. 1 is a schematic perspective view illustrating a connection between a headrest assembly and a support base according to an embodiment of the present invention;

fig. 2 is an exploded view of the headrest assembly and the support base according to the embodiment of the present invention;

fig. 3 is a schematic perspective view of a headrest assembly in a rearmost position according to an embodiment of the present invention;

fig. 4 is a schematic perspective view illustrating the forward movement of the headrest assembly according to the embodiment of the present invention;

fig. 5 is a schematic perspective view of the headrest assembly at the foremost position according to the embodiment of the present invention;

fig. 6 is a schematic perspective view illustrating the headrest assembly in a rearward return position according to an embodiment of the present invention;

fig. 7 is an exploded view of the elastic clip member and the sleeve in the embodiment of the present invention;

fig. 8 is a schematic perspective view of the headrest and the sleeve according to the embodiment of the present invention.

The figures are numbered: a headrest assembly 1; a support base 2; a slide bar 3; a headrest 4; a sleeve 5; a fixing rod 6; a gear tooth 7; a tooth base 7a; a tooth post 7b; an elastic clamping piece 8; a gear groove 9; a tooth socket 10; a circulating guide groove 11; a shift gate lane 11a; a reset channel 11b; a chuck 12; a connecting column 13; an arc-shaped clamping groove 14; a mounting seat 15; a mounting groove 16; an elastic column 17; a chute 18; and a guide block 19.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present embodiment is described with reference to the orientation of the various components, such as front, rear, etc., in a normal use condition with the user seated in the seat.

The utility model discloses a specific embodiment as follows:

as shown in fig. 1 to 8, the present invention provides a headrest, which comprises a headrest assembly 1 and a support base 2 for supporting the headrest assembly 1; the supporting seat 2 is fixedly connected with the seat, and the supporting seat 2 comprises a sliding rod 3 which extends forwards; the headrest assembly 1 comprises a headrest 4 and a sliding part which is connected with the sliding rod 3 in a sliding way, and the sliding part is a sleeve 5; then the sleeve 5 on the headrest assembly 1 can slide back and forth along the slide rod 3 to adjust the back and forth depth of the headrest 4; the use comfort of the headrest 4 is made higher.

As shown in fig. 1-2, the support base 2 is L-shaped, the support base 2 further includes a fixing rod 6 disposed longitudinally, and the fixing rod 6 is used for connecting and fixing with a seat; the slide bar 3 is positioned at the upper end of the fixed bar 6, and after the fixed bar 6 is installed with the seat, the slide bar 3 is obliquely arranged in a front-upper extending manner; the sleeve 5 is connected to the rear end of the headrest 4, and the sleeve 5 is inclined from the headrest end to the rear lower part; when in connection, the sleeve 5 is sleeved on the slide rod 3 in a sliding manner, so that the sleeve 5 can slide back and forth along the length direction of the slide rod 3, and the back and forth depth of the headrest 4 can be adjusted; the connecting structure is simple.

As shown in fig. 2-7, a gear adjusting mechanism is further disposed between the sleeve 5 and the sliding rod 3, so that the headrest 4 has a plurality of adjusting gears, and the headrest 4 can stay at different positions to provide different supporting effects for the head of a user; the gear adjusting mechanism comprises gear teeth 7 arranged on the sliding rod 3 and an elastic clamping piece 8 correspondingly arranged on the sleeve 5; specifically, the method comprises the following steps: an inward-concave gear groove 9 is formed in the upper surface of the sliding rod 3, the gear groove 9 is arranged along the length direction of the sliding rod 3, and the gear teeth 7 are arranged in the middle of the gear groove 9; the gear teeth 7 comprise a tooth base 7a arranged along the length direction of the sliding rod 3 and a plurality of tooth columns 7b arranged on the tooth base at intervals; the tooth columns 7b are uniformly inclined upwards towards one side direction of the tooth base part 7a, and a tooth groove 10 is formed between every two adjacent tooth columns 7b; and the space between the gear teeth 7 and the gear grooves 9 forms a 'loop' shaped circulation guide groove 11, and the circulation guide groove 11 comprises a gear groove 11a positioned at one side of the gear teeth 7 with the tooth grooves 10 and a reset groove 11b positioned at the other side of the gear teeth 7; the gear groove channel 11a is communicated with the tooth groove 10; the reset groove channel 11b is a straight groove.

As shown in fig. 2 and 7, the elastic clip 8 is strip-shaped, the elastic clip 8 is connected inside the sleeve 5, and the elastic clip 8 is located in the middle of the whole sleeve 5 and is consistent with the length direction of the sleeve 5; the front end of the elastic clamping piece 8 is fixedly connected with the sleeve 5, the rear end of the elastic clamping piece 8 is provided with a clamping head 12 which can be in clamping fit with the tooth groove 10, the clamping head 12 is vertical to the sliding rod 3, and the clamping head 12 protrudes in the circulating guide groove 11; in the process that the sleeve 5 slides forwards and backwards relative to the sliding rod 3, the chuck 12 circularly moves in the circular guide groove 11; the elastic clamping piece 8 can deflect left and right relative to the sleeve 5, so that the clamping head 12 can move leftwards and rightwards in the circulating guide groove 11 in a deflection mode. When the sleeve 5 is in sliding connection with the sliding rod 3, the clamping head 12 is embedded into the circulating guide groove 11, then the sleeve 5 is sleeved on the sliding rod 3 in a sliding manner, and finally the upper end of the elastic clamping piece 8 is connected and fixed with the sleeve 5; the fixing mode of the elastic clamping piece 8 and the sleeve 5 is as follows: the upper end of the elastic clamping piece 8 is provided with a connecting column 13, and the connecting column 13 is vertical to the sleeve 5; the front end of the sleeve 5 is provided with an opening, the opening is provided with an arc-shaped clamping groove 14 which can be matched with the connecting column 13 in a clamping mode, the arc-shaped clamping groove 14 is a semicircular groove, the connecting column 13 can be just attached to the arc-shaped clamping groove 14, and the connecting column 13 is matched with the arc-shaped clamping groove 14 in a clamping mode; a mounting seat 15 is connected to the sleeve 5 to fix the elastic clamping piece 8, and a semicircular mounting groove 16 capable of being matched with the connecting column 13 is correspondingly arranged on the mounting seat 15; the mounting seat 15 is fixedly connected to the sleeve 5 through a screw, the connecting column 13 is clamped and fixed between the arc-shaped clamping groove 14 and the mounting groove 16, and the upper end of the elastic clamping piece 8 is fixedly connected with the sleeve 5. By adopting the connection mode, the clamping head 12 is effectively limited in the circulating guide groove 11, and the front end of the elastic clamping piece 8 is fixedly connected with the sleeve 5, so that the sleeve 5 cannot be separated from the sliding rod 3 back and forth; the connection structure is simple and reliable.

As shown in fig. 7, the front end of the elastic fastener 8 is fixed with the sleeve 5, the elastic fastener 8 can elastically deflect in the left-right direction relative to the sleeve 5 by taking the fixed point as a fulcrum, and the chuck 12 can deflect left and right in the circulating guide groove 11; an elastic resetting device capable of promoting the elastic clamping piece 8 to reset is further arranged between the mounting seat 15 and the elastic clamping piece 8, the elastic resetting device comprises two elastic columns 17 arranged on the mounting seat 15, and the elastic columns 17 are symmetrically arranged left and right; after the mounting seat 15 is connected with the sleeve 5, the length directions of the elastic columns 17 and the sleeve 5 are kept consistent, the elastic clamping piece 8 is just positioned between the two connecting columns 17, then when the elastic clamping piece 8 elastically deflects, the elastic clamping piece 8 acts on the connecting columns 17 to enable the connecting columns 17 to generate corresponding elastic deformation, and the connecting columns 17 provide elasticity to enable the elastic clamping piece 8 to always keep a resetting trend after deflecting; and the connecting column 17 and the elastic clamping piece 8 are made of high-strength elastic plastic materials, so that the strength is met, and the cost can be saved.

As shown in fig. 3 to 6, the gear adjusting mechanism can adjust multiple gears of the headrest 4, specifically: as shown in fig. 1, in the initial position, the clip 17 is located at the rear end of the circulation guide groove 11, and the headrest 4 is located at the rearmost position; when the headrest 4 needs to be adjusted to move forwards, the headrest 4 is pulled forwards, as shown in fig. 4, the chuck 12 is about to deviate into the shift slot 11a and move forwards along the shift slot 11a, in the process of moving the chuck 12 forwards, the elastic column 17 provides the elastic force for resetting the elastic clamping piece 8, so that the chuck 12 has the tendency of deflecting to the middle position of the sleeve 5, and then when the chuck 12 moves forwards to a certain tooth groove 10, the elastic clamping piece 8 resets elastically, and the chuck 12 clamps a click sound into the tooth groove 10; the tooth post 7b is arranged obliquely upwards, namely when the head of a user acts on the headrest 4 backwards, the chuck 12 is abutted with the tooth post 7b to limit the headrest 4 to move backwards, so that the headrest 4 can be lifted at the adjusting position after moving forwards; then continue to stimulate headrest 4, dop 12 will carry out the joint with a plurality of tooth's sockets 10 forward in proper order, make headrest 4 to carry out the upshift then and adjust, and at the antedisplacement in-process, the elasticity that elastic column 17 produced makes operation process have good damping and feels, and the regulating effect is better. When the chuck 12 is in clamping fit with the foremost tooth socket 10, the headrest 4 is adjusted to the foremost gear position, if the headrest 4 needs to be adjusted again to reset backwards, the headrest 4 is pulled forwards continuously, as shown in fig. 5, the chuck 12 slides out of the foremost tooth socket 10 along the length direction of the tooth post 7b, the chuck 12 moves and deflects to the uppermost end position of the circulating guide groove 11, then the headrest 4 is pushed backwards, and the chuck 12 enters the resetting groove 11b; as shown in fig. 6, the reset channel 11b is a straight groove, which can act on the headrest 4 to enable the chuck 12 to directly move backwards along the reset channel 11b for resetting, and in the process of moving backwards, the elastic fastener 8 is always in a deflection state, so that in the process of moving backwards the headrest 4, a good damping hand feeling is still maintained; when the chuck 12 moves to the rearmost end of the reset channel 11b, the elastic chuck 8 will be elastically reset again, and the chuck 12 will be located at the rear end of the circulation guide groove 11 again. As described above, the head restraint 12 circulates once in the circulating guide groove 11, so that the forward movement adjustment and the backward return of the head restraint 4 can be realized; the repeated depth adjustment of the headrest 4 can be realized through the circular movement of the chuck 12 in the circular guide groove 10; the design is ingenious, and the operation is convenient.

As shown in fig. 8, the headrest 4 is slidably connected with the sleeve 5, a pair of sliding grooves 18 is longitudinally arranged on the headrest 4, and a guide block 19 is correspondingly arranged at the front end of the sleeve 5; the guide block 19 is in sliding fit with the sliding groove 18; the headrest 4 can not only be adjusted in depth forwards and backwards, but also be slid up and down to adjust the height of the headrest, so that the headrest 4 can be adjusted in lifting to adapt to users of different body types, and can be adjusted in depth forwards and backwards to provide different supporting effects; the use comfort of the headrest 4 is made higher.

In conclusion, the headrest can effectively realize the adjustment of the headrest 4 in the front-back and up-down movement, thereby greatly improving the use comfort of the headrest; the integral structure is simple, the elastic clamping piece 8 and the elastic column 17 are made of elastic plastic materials, the cost is low, and the production cost can be saved; in addition, the operation is very convenient and fast, only the headrest is directly pulled without additionally arranging a control switch, so that the integral shape is simpler and more attractive.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (10)

1. A headrest, characterized by: the headrest assembly comprises a headrest assembly and a supporting seat for supporting the headrest assembly, wherein the supporting seat is configured to be connected with a seat; the support seat is provided with a sliding rod which extends forwards, and the headrest component comprises a headrest and a sliding part which is in sliding connection with the sliding rod; a gear adjusting mechanism is arranged between the headrest assembly and the sliding rod; the gear adjusting mechanism comprises gear teeth arranged on one of the sliding part or the sliding rod, and a plurality of tooth sockets are arranged on the gear teeth; an elastic clamping piece is correspondingly arranged on the other one of the sliding part or the sliding rod, and a clamping head capable of being clamped and matched with the tooth socket is arranged on the elastic clamping piece; when the headrest assembly is adjusted to move forwards, the clamping heads are sequentially clamped with the tooth grooves under the elastic action of the elastic clamping pieces, so that the gear adjustment of the headrest assembly is realized.

2. The headrest of claim 1, wherein: the sliding rod is provided with an inward-concave gear groove, the gear teeth are arranged in the gear groove, and a circulating guide groove is formed between the gear teeth and the gear groove at intervals; and in the process that the headrest assembly slides back and forth along the sliding rod, the clamping head circularly moves in the circulating guide groove.

3. The headrest according to claim 2, characterized in that: the circulating guide groove comprises a gear groove channel positioned on one side of the gear teeth with the tooth grooves and a reset groove channel positioned on the other side of the gear teeth; when the headrest assembly slides forwards, the clamping head moves in the gear groove channel; when the headrest assembly slides backwards along the sliding rod, the clamping head moves in the reset channel.

4. The headrest according to claim 2, characterized in that: the elastic clamping piece is in a strip shape, the clamping head is arranged at the rear end of the elastic clamping piece, and the front end of the elastic clamping piece is fixedly connected with the sliding part; and the elastic clamping piece can deflect left and right relative to the sliding part so as to drive the clamping head to move left and right in the circulating guide groove.

5. The headrest according to claim 4, characterized in that: the sliding part is a strip-shaped sleeve which is sleeved on the sliding rod in a sliding manner; the elastic clamping piece is connected inside the sleeve, and the clamping head is perpendicular to the sliding rod.

6. The headrest according to claim 5, characterized in that: the slide bar extends upwards before slant, sleeve pipe and slide bar sliding fit back, the dop restriction is in the circulation guide slot in.

7. The headrest according to claim 5, characterized in that: an elastic reset device is also arranged in the sleeve and comprises two elastic columns which are symmetrically arranged, and the elastic clamping piece is connected with the sleeve; the elastic clamping piece is positioned between the two elastic columns; when the elastic clamping piece deflects left and right, the elastic column generates corresponding elastic deformation to provide the elastic force for resetting the elastic clamping piece.

8. The headrest according to claim 7, characterized in that: the elastic clamping piece is made of elastic plastic, and the elastic column is made of elastic plastic.

9. The headrest according to claim 5, characterized in that: the sleeve is in sliding fit with the headrest, a sliding groove is longitudinally formed in the headrest, and a guide block protruding forwards is correspondingly arranged at the front end of the sleeve; the guide block is connected in the sliding groove in a sliding mode.

10. The headrest of claim 1, wherein: the gear teeth comprise tooth base parts arranged along the length direction of the sliding rod and a plurality of tooth columns arranged on the tooth base parts at intervals; the tooth socket is formed between every two adjacent tooth columns; and the tooth columns extend upwards and obliquely towards one side direction of the tooth base part.

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