CN219742236U - Chair - Google Patents

Abstract

The utility model specifically discloses a seat, which relates to the technical field of seats and comprises seat legs, a mounting piece, a seat back, a connecting piece, a limiting piece, an adjusting piece, a first elastic piece and a knob, wherein when the knob rotates, a lug is abutted with an inclined plane and generates relative displacement, so that the adjusting piece moves in a direction far away from the knob, the first elastic piece is compressed, and a clamping plate is clamped with a first clamping groove; at this time, when the knob rotates in the opposite direction, the lug is abutted with the inclined plane and generates opposite-direction relative displacement, the first elastic piece pushes the adjusting piece to move towards the direction close to the knob, and the clamping plate is separated from the first clamping groove.

Description

Chair

Technical Field

The utility model relates to the technical field of seats, in particular to a seat.

Background

The chair can be used for people to sit down for rest, and is an indispensable tool in daily life. Meanwhile, in order to meet different demands of people, the chair back of the chair can adjust the inclination angle. At present, the chair back tilting angle is usually adjusted by rocking the control wrench up and down, which is troublesome to operate and requires more effort.

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 seat, and the inclination angle of the seat back can be simply and easily adjusted.

The seat comprises a seat leg, a mounting piece, a seat back, an adjusting piece, a first elastic piece and a knob, wherein the mounting piece is fixed on the seat leg and is provided with a through hole, and one side of the mounting piece is provided with a guide rod; the chair back is rotationally connected to one side of the mounting piece, which is away from the guide rod, and is provided with a first clamping structure; the adjusting piece is sleeved on the guide rod, one end of the adjusting piece, which is away from the chair back, is provided with an inclined plane, one end of the adjusting piece, which is towards the chair back, is provided with a second clamping structure, and the second clamping structure penetrates through the through hole; the first elastic piece is connected between the mounting piece and the adjusting piece; the knob is positioned at one side of the adjusting piece, which is away from the chair back, and is provided with a bump, and the knob is rotationally connected with the guide rod; when the knob rotates, the lug is abutted with the inclined surface and generates relative displacement, so that the adjusting piece moves in a direction away from the knob, the first elastic piece is compressed, and the second clamping structure is clamped with the first clamping structure; when the knob rotates in the opposite direction, the lug is abutted with the inclined surface and generates opposite-direction relative displacement, the first elastic piece pushes the adjusting piece to move towards the direction close to the knob, and the second clamping structure is separated from the first clamping structure.

The seat provided by the embodiment of the utility model has at least the following beneficial effects: when the knob rotates, the lug is abutted with the inclined plane and generates relative displacement, so that the adjusting piece moves in a direction away from the knob, the first elastic piece is compressed, and the clamping plate is clamped with the first clamping groove; at this time, when the knob rotates in the opposite direction, the lug is abutted to the inclined plane and generates opposite relative displacement, the first elastic piece pushes the adjusting piece to move towards the direction close to the knob, and the clamping plate is separated from the first clamping groove. Obviously, when the knob rotates, the clamping plate is clamped with the first clamping groove, the chair back is fixed, and when the knob rotates in the opposite direction, the clamping plate is separated from the first clamping groove, and the chair back can move freely. Therefore, the user can adjust the tilting angle of the chair back only by rotating the knob, and the operation is simple and easy.

According to one embodiment of the utility model, an adjusting groove is formed in one end, which is away from the chair back, of the adjusting piece, and the side wall of the adjusting groove is obliquely arranged to form the inclined plane.

According to one embodiment of the utility model, two adjusting grooves are arranged, and the two adjusting grooves are arranged along the radial direction of the adjusting piece; the two protruding blocks are arranged along the radial direction of the knob; the two regulating grooves are respectively arranged corresponding to the two protruding blocks.

According to one embodiment of the utility model, the first clamping structure is a first clamping groove, the second clamping structure is a clamping plate, and the clamping plate is arranged along the length direction of the guide rod.

According to one embodiment of the utility model, two clamping plates are arranged along the radial direction of the adjusting piece, two first clamping grooves are arranged, and the two clamping plates can be respectively clamped in the two first clamping grooves.

According to one embodiment of the utility model, the chair back is provided with a limiting groove, one side of the mounting piece, facing the chair back, is provided with a limiting protrusion, and the limiting protrusion is in limiting fit with the limiting groove so as to limit the rotating angle range of the chair back.

According to one embodiment of the utility model, a connecting shaft is arranged on one side of the mounting piece, which faces the chair back, and comprises a shaft body and a limiting piece which are detachably connected, wherein the limiting piece is rotationally connected with the chair back and can limit the chair back to move along the length direction of the guide rod.

According to one embodiment of the utility model, the shaft body comprises a first shaft section and a second shaft section which are connected with each other, the shaft diameter of the first shaft section is larger than that of the second shaft section, the limiting piece comprises a limiting cylinder and a first screw, the limiting cylinder is sleeved on the second shaft section, and the first screw penetrates through the limiting cylinder and is in threaded connection with the second shaft section so as to fix the limiting cylinder.

According to one embodiment of the utility model, the end face of the first shaft section is provided with a first tooth part, the end face of the limiting cylinder is provided with a second tooth part, and the second tooth part is meshed with the first tooth part.

According to one embodiment of the utility model, the seat further comprises a second elastic member, and both ends of the second elastic member are respectively fixed to the mounting member and the seatback.

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 a seat according to an embodiment of the present utility model;

FIG. 2 is a partial structural cross-sectional view of a seat according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a portion of a seat according to one embodiment of the present utility model;

FIG. 4 is an exploded view of a portion of a seat according to one embodiment of the present utility model;

FIG. 5 is an exploded view of a portion of a seat according to one embodiment of the present utility model;

fig. 6 is a partially exploded view of a seat according to an embodiment of the present utility model.

Reference numerals:

a seat 1000;

chair legs 100;

a mounting member 200; a through hole 210; a guide bar 220; a second screw 221; a first positioning groove 230; a limit projection 240; a shaft body 250; a first shaft section 251; a first tooth 2511; a second shaft section 252;

a seatback 300; a backrest 310; a mounting groove 311;

a connector 400; a first card slot 410; a limit groove 420;

a stopper 500; a limit cylinder 510; a second tooth 511; a first screw 520;

an adjusting member 600; an adjustment groove 610; a bevel 611; a card 620; a second positioning groove 630;

a first elastic member 700;

a knob 800; a bump 810; an indication cover 820; clasp 821; a second clamping groove 830;

and a second elastic member 900.

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.

The chair can be used for people to sit down for rest, and is an indispensable tool in daily life. Meanwhile, in order to meet different demands of people, the chair back of the chair can adjust the inclination angle. At present, the chair back tilting angle is usually adjusted by rocking the control wrench up and down, which is troublesome to operate and requires more effort.

To this end, an embodiment of the present utility model proposes a seat 1000, particularly with reference to fig. 1 to 6 of the drawings of the description.

Referring to fig. 1, a seat 1000 according to an embodiment of the present utility model, the seat 1000 includes a leg 100, a mount 200, and a seatback 300. Wherein the mounting member 200 is fixed to the leg 100, specifically, the mounting member 200 may be fixed to the leg 100 by screwing or the like. Referring to fig. 2, the mount 200 is provided with a through hole 210. It will be appreciated that the through hole 210 extends through the mount 200. In addition, a guide rod 220 is disposed on one side of the mounting member 200, and the chair back 300 is rotatably connected to one side of the mounting member 200 facing away from the guide rod 220, and the chair back 300 is provided with a first clamping structure. In one embodiment, the first clamping structure is a first clamping groove 410. The guide rod 220 and the mounting member 200 are integrally formed. Note that, the seatback 300 includes a backrest 310 and a link 400. Wherein, the backrest 310 is provided with a mounting groove 311, and the connecting piece 400 is fixed in the mounting groove 311. It should be noted that the first slot 410 is located in the connector 400. It will be appreciated that by the above arrangement, the first clamping groove 410 is not integrally formed when the chair back 300 is manufactured, thereby simplifying the manufacturing process of the chair back 300.

With continued reference to fig. 2, the seat 1000 further includes an adjustment member 600, a first resilient member 700, and a knob 800. Referring to fig. 2 and 4, the adjusting member 600 is sleeved on the guide rod 220. The adjusting member 600 has a circular sheet shape as a whole. In addition, the adjusting member 600 is provided with a slope 611, and the slope 611 is located at an end of the adjusting member 600 facing away from the seatback 300. The adjusting member 600 is further provided with a second clamping structure. In one embodiment, the second locking structure is a locking plate 620, and the locking plate 620 is located at an end of the adjusting member 600 facing the chair back 300. It should be noted that the clamping plate 620 is disposed along the length direction of the guide rod 220 and passes through the through hole 210. With continued reference to fig. 2 and 4, a first resilient member 700 is coupled between the mounting member 200 and the adjustment member 600. In one embodiment, the first elastic member 700 is sleeved on the guide rod 220, and two ends of the first elastic member are respectively abutted against the mounting member 200 and the adjusting member 600. The first elastic member 700 is a spring. Referring to fig. 4 and 5, the mounting member 200 is provided with a first positioning groove 230, the first positioning groove 230 is located at a side of the mounting member 200 facing away from the seatback 300, and the first positioning groove 230 is disposed around the guide bar 220. In addition, the adjusting member 600 is provided with a second positioning groove 630, and the second positioning groove 630 is located at a side of the adjusting member 600 facing the seatback 300. It should be noted that, the first positioning groove 230 and the second positioning groove 630 are respectively matched with two ends of the first elastic member 700 in a positioning manner. It will be appreciated that by the arrangement described above, a quick positioning of the mounting of the first resilient member 700 may be achieved.

With continued reference to fig. 2 and 4, the knob 800 is located on a side of the adjustment member 600 facing away from the chair back 300, and the knob 800 is provided with a protrusion 810. Wherein the knob 800 is rotatably coupled to the guide rod 220. It is apparent that the bump 810 is located on the side of the knob 800 facing the regulator 600. In one embodiment, the knob 800 is coupled to the guide bar 220 by the second screw 221 to limit the movement of the knob 800 along the length of the guide bar 220. The circumference of the knob 800 is provided with anti-slip stripes to allow the user to rotate the knob 800 more easily.

Referring to fig. 2 and 4, when the knob 800 rotates, the protrusion 810 abuts against the inclined surface 611 to generate a relative displacement, and as the knob 800 cannot move along the length direction of the guide rod 220, the adjusting member 600 moves along the guide rod 220 in a direction away from the knob 800 until the clamping plate 620 is clamped with the clamping groove as the knob 800 rotates. Obviously, at this time, the first elastic member 700 is compressed. It will be appreciated that the connector 400 is secured because the catch plate 620 is engaged with the catch groove at this time, and the chair back 300 is likewise secured. With continued reference to fig. 2 and 4, at this point, when knob 800 is rotated in the opposite direction, projection 810 abuts ramp 611 and produces a relative displacement in the opposite direction. The first elastic member 700 pushes the adjusting member 600 to move toward the knob 800 such that the card 620 is separated from the first card slot 410. It will be appreciated that the connector 400 is not secured and the chair back 300 can be rotated because the catch plate 620 is now disengaged from the catch slot. I.e., the user can adjust the tilt angle of the seatback 300 at this time. Therefore, the user can adjust the tilting angle of the chair back 300 by only turning the knob 800, and the operation is simple and easy.

Referring to fig. 2 and 4, in one embodiment of the chair 1000 of the present utility model, the adjustment member 600 is provided with an adjustment slot 610, and the adjustment slot 610 is located at an end of the adjustment member 600 facing away from the chair back 300. It should be noted that the side wall of the adjustment groove 610 is inclined to form the inclined surface 611. It will be appreciated that by forming the inclined surface 611 in such a manner that the side wall of the groove 610 is inclined, space can be more reasonably utilized. Referring to fig. 4 and 5, in one embodiment, two adjustment grooves 610 are provided, and two adjustment grooves 610 are provided along the radial direction of the adjustment member 600; the two protrusions 810 are provided, and the two protrusions 810 are disposed along the radial direction of the knob 800. Wherein, the two adjusting grooves 610 are respectively disposed corresponding to the two protrusions 810. It will be appreciated that by the above arrangement, the movement of the adjustment member 600 is made more stable. Referring to fig. 4 and 5, in one embodiment, two of the clamping plates 620 are provided, and the two clamping plates 620 are disposed along the radial direction of the adjusting member 600; the first clamping grooves 410 are provided in two, and the two first clamping grooves 410 are provided along the radial direction of the connecting member 400. The two clamping plates 620 can be respectively clamped in the two first clamping grooves 410. It will be appreciated that by the above arrangement, the adjustment member 600 is enabled to more firmly fix the connection member 400.

Referring to fig. 4 and 5, a seat 1000 according to an embodiment of the present utility model, the seat 1000 further includes an indication cover 820. Specifically, the indicator cap 820 is mounted to an end of the knob 800 facing away from the adjustment member 600. It will be appreciated that the indicating cover 820 is used to indicate the direction of rotation of the knob 800, i.e., to indicate from which direction the user rotates the knob 800 to effect unlocking or locking of the chair back 300. The indication cover 820 is detachably connected to the knob 800. In one embodiment, the indicating cover 820 is provided with a catch 821 and the knob 800 is provided with a second detent 830. The buckle 821 is clamped with the second clamping groove 830. In one embodiment, two of the snaps 821 are provided, and the two snaps 821 are disposed along the radial direction of the indication cover 820; two second clamping grooves 830 are provided, and the two second clamping grooves 830 are arranged along the radial direction of the knob 800. It should be noted that, the two buckles 821 are respectively engaged with the two second slots 830.

Referring to fig. 6, in the seat 1000 according to an embodiment of the present utility model, the seat back 300 is provided with a limiting groove 420, specifically, the connection member 400 is provided with a limiting groove 420, and the mounting member 200 is provided with a limiting protrusion 240, specifically, the limiting protrusion 240 is located at a side of the mounting member 200 facing the connection member 400. It should be noted that, the limiting protrusion 240 is in limiting fit with the limiting groove 420 to limit the rotation angle range of the connecting piece 400, i.e. limit the rotation angle range of the chair back 300. It is understood that the limiting projection 240 is positioned in the limiting groove 420, and the limiting projection 240 can move between two sidewalls of the limiting groove 420. In one embodiment, the angular range of rotation of the connector 400 is 20 degrees; in another embodiment, the angular range of rotation of the connector 400 is 16 degrees. It will be appreciated that by the above arrangement, the chair back 300 can be prevented from being excessively inclined to affect the use of the user.

Referring to fig. 2, the mounting member 200 is provided with a connection shaft, and the connection shaft is located at a side of the mounting member 200 facing the seatback 300. It should be noted that the connecting shaft includes a shaft body 250 and a limiting member 500, where the shaft body 250 and the limiting member 500 are detachably connected. In addition, the stopper 500 is rotatably coupled to the seatback 300, and can restrict the seatback 300 from moving in the longitudinal direction of the guide bar 220. It will be appreciated that with the above arrangement, installation of the chair back 300 is facilitated.

Referring to fig. 3 and 6, it should be noted that the shaft body 250 includes a first shaft section 251 and a second shaft section 252 connected to each other, wherein the shaft diameter of the first shaft section 251 is greater than that of the second shaft section 252. It should be noted that, the first shaft section 251 and the second shaft section 252 are connected to each other, and the first shaft section 251 and the second shaft section 252 are connected or integrally formed. Specifically, the first shaft section 251 and the second shaft section 252 are cylindrical. In addition, the stopper 500 includes a stopper cylinder 510 and a first screw 520. Referring to fig. 2, the limiting cylinder 510 is sleeved on the second shaft section 252, and the first screw 520 passes through the limiting cylinder 510 and is in threaded connection with the second shaft section 252 so as to fix the limiting cylinder 510. It will be appreciated that the connector 400 and seat back 300 can rotate about the retention cylinder 510. Referring to fig. 3 and 6, the end surface of the first shaft section 251 is provided with a first tooth 2511, and the end surface of the stopper cylinder 510 is provided with a second tooth 511. The second tooth 511 is engaged with the first tooth 2511. It will be appreciated that as the seat back 300 and the connector 400 rotate about the retention cylinder 510, the retention cylinder 510 is forced and tends to rotate. If the stopper tube 510 is turned, the threaded connection between the first screw 520 and the second shaft section 252 is easily loosened. With the above arrangement, when the rotation trend of the limiting cylinder 510 occurs, the limiting cylinder 510 is fixed by the first shaft section 251 and cannot rotate due to the engagement of the second tooth 511 and the first tooth 2511, so that the connection between the first screw 520 and the second shaft section 252 is stable.

Referring to fig. 6, the seat 1000 according to an embodiment of the present utility model further includes a second elastic member 900, and both ends of the second elastic member 900 are fixed to the mounting member 200 and the seatback 300, respectively. Specifically, the two ends of the second elastic member 900 are fixed to the mounting member 200 and the connecting member 400, respectively, and it should be noted that the second elastic member 900 performs a restoring function. It is apparent that the seatback 300 has an initial position. When the seatback 300 is adjusted from the initial position to the use position having the tilting angle, the second elastic member 900 is deformed and generates an elastic force that returns the seatback 300 to the initial position. When the user rotates the knob 800 to separate the card 620 from the first card slot 410, the chair back 300 will return to the initial position under the elastic force of the second elastic member 900, thereby improving the user experience.

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. A seat, comprising:

chair legs;

the mounting piece is fixed on the chair leg and is provided with a through hole, and one side of the mounting piece is provided with a guide rod;

the chair back is rotationally connected to one side, away from the guide rod, of the mounting piece, and is provided with a first clamping structure;

the adjusting piece is sleeved on the guide rod, one end of the adjusting piece, which is away from the chair back, is provided with an inclined plane, one end of the adjusting piece, which is towards the chair back, is provided with a second clamping structure, and the second clamping structure penetrates through the through hole;

the first elastic piece is connected between the mounting piece and the adjusting piece;

the knob is positioned at one side of the adjusting piece, which is away from the chair back, and is provided with a bump, and the knob is rotationally connected with the guide rod;

when the knob rotates, the lug is abutted with the inclined surface and generates relative displacement, so that the adjusting piece moves in a direction away from the knob, the first elastic piece is compressed, and the second clamping structure is clamped with the first clamping structure; when the knob rotates in the opposite direction, the lug is abutted with the inclined surface and generates opposite-direction relative displacement, the first elastic piece pushes the adjusting piece to move towards the direction close to the knob, and the second clamping structure is separated from the first clamping structure.

2. The seat according to claim 1, wherein an end of the adjusting member facing away from the seatback is provided with an adjusting groove, and a side wall of the adjusting groove is inclined to form the inclined surface.

3. A seat according to claim 2, wherein two of the adjustment grooves are provided, the two adjustment grooves being provided in a radial direction of the adjustment member; the two protruding blocks are arranged along the radial direction of the knob; the two regulating grooves are respectively arranged corresponding to the two protruding blocks.

4. The seat of claim 1, wherein the first clamping structure is a first clamping groove, the second clamping structure is a clamping plate, and the clamping plate is arranged along the length direction of the guide rod.

5. The seat according to claim 4, wherein two clamping plates are provided, the two clamping plates are arranged along the radial direction of the adjusting piece, the two first clamping grooves are provided, and the two clamping plates can be respectively clamped in the two first clamping grooves.

6. The seat according to claim 1, wherein the seat back is provided with a limiting groove, a limiting protrusion is arranged on one side of the mounting piece, facing the seat back, and the limiting protrusion is in limiting fit with the limiting groove so as to limit the rotating angle range of the seat back.

7. The seat according to claim 1, wherein a connecting shaft is provided on a side of the mounting member facing the seat back, the connecting shaft includes a detachably connected shaft body and a stopper, and the stopper is rotatably connected to the seat back and can restrict the seat back from moving in a longitudinal direction of the guide rod.

8. The seat of claim 7, wherein the shaft body comprises a first shaft section and a second shaft section which are connected with each other, the shaft diameter of the first shaft section is larger than that of the second shaft section, the limiting piece comprises a limiting cylinder and a first screw, the limiting cylinder is sleeved on the second shaft section, and the first screw penetrates through the limiting cylinder and is in threaded connection with the second shaft section so as to fix the limiting cylinder.

9. The seat according to claim 8, wherein an end surface of the first shaft section is provided with a first tooth portion, and an end surface of the stopper cylinder is provided with a second tooth portion, the second tooth portion being engaged with the first tooth portion.

10. The seat according to claim 1, further comprising a second elastic member, both ends of the second elastic member being fixed to the mounting member and the seatback, respectively.