CN216166508U - Seat lifting device and seat - Google Patents
Seat lifting device and seat Download PDFInfo
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- CN216166508U CN216166508U CN202121626601.5U CN202121626601U CN216166508U CN 216166508 U CN216166508 U CN 216166508U CN 202121626601 U CN202121626601 U CN 202121626601U CN 216166508 U CN216166508 U CN 216166508U
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- seat
- rod
- sliding support
- support piece
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Abstract
The utility model discloses a seat lifting device and a seat, comprising a seat rod component, wherein the seat rod component is provided with two seat rods; the two ends of the sliding support piece are respectively connected to the two chair rods in a sliding manner; the adjusting mechanism comprises a control seat arranged in the sliding support piece, a locking cross rod extending out towards two sides in a mirror image manner is arranged on the control seat, and slots are longitudinally arranged at intervals on the inner side of the chair rod; the control seat is also provided with an inclined guide groove for guiding the locking cross rod to move transversely, and the locking cross rod is provided with a guide rod penetrating in the inclined guide groove; the control seat can move in the vertical direction relative to the sliding support piece, and a control button is further arranged on the control seat; the sliding support piece has a locking state and an unlocking state, and in the locking state, the locking cross bar is inserted into the slot so that the sliding support piece and the chair bar are relatively fixed; under the unblock state, act on control button and drive the relative slip support piece of control seat and move, the guide bar moves in order to order about locking horizontal pole sideslip and withdraw from the slot along oblique guide way.
Description
Technical Field
The utility model relates to the field of seats, in particular to a seat lifting device and a seat.
Background
In the family life, the child chair is an indispensable daily necessity for each family, and the child chair can adjust the sitting posture habit of the child so that the child chair has a good sitting posture. A typical child seat includes a support post, a seat plate, a backrest, armrests, and the like. The height and the weight of children at different ages are different, the use of the child chair has personalized requirements, and the height of the child chair needs to be adjusted according to different users.
Traditional children's chair generally adopts single stand to support the cushion, supports unstably to the height-adjusting in-process needs both hands to operate, and accommodation process is loaded down with trivial details, and difficult adjustment targets in place, needs constantly to debug just can find suitable height, and the firm connection. Therefore, a lifting device capable of being operated by one hand and quickly and accurately adjusting the height of the child chair is needed.
Disclosure of Invention
The utility model overcomes the defects in the prior art and provides a seat lifting device which realizes the sliding locking and unlocking of a sliding support piece by controlling a locking cross rod to be inserted into or withdrawn from a slot; the locking cross rod is ingenious in structural design, and the transverse movement of the locking cross rod can be controlled by acting a control button under the guiding action of the inclined guide groove; and when the adjustment is carried out, only the sliding support piece needs to be held, and the control button is pressed upwards, so that the adjustment can be carried out by one hand, and the adjustment is very easy and labor-saving.
The chair is provided with the lifting device, so that the lifting adjustment of the chair seat or the chair back on the chair is rapid and stable, and the structural strength is higher.
The technical scheme of the utility model is realized as follows:
a seat lifting device comprises a seat rod component, wherein the seat rod component is provided with two seat rods which are longitudinally arranged at intervals; a sliding support member for connecting and supporting the chair back or seat; two ends of the sliding support piece are respectively connected to the two chair rods in a sliding manner; the adjusting mechanism comprises a control seat arranged in the sliding support piece, the mirror image on the control seat is provided with locking cross rods respectively extending towards two sides, and slots which are in splicing fit with the locking cross rods are longitudinally arranged at intervals on the inner side of the chair rod; the control seat is also provided with an inclined guide groove for guiding the locking cross rod to move transversely, and the locking cross rod is provided with a guide rod penetrating in the inclined guide groove; the control seat can move in the vertical direction relative to the sliding support piece, and a control button is further arranged on the control seat; the sliding support piece has a locking state and an unlocking state, and in the locking state, the locking cross bar is inserted into the slot so that the sliding support piece and the chair bar are relatively fixed; under the unblock state, act on control button and drive the relative slip support piece of control seat and move, the guide bar moves in order to order about locking horizontal pole sideslip and withdraw from the slot along oblique guide way.
Preferably, the sliding support is a dumbbell-shaped metal member, the sliding support comprises a cross beam and sliding sleeves respectively connected to two ends of the cross beam, and the sliding sleeves are slidably sleeved on the chair rod. The sliding support piece is made of metal materials, is high in strength and can provide a stable supporting effect.
Preferably, the cross beam comprises supporting transverse plates which are arranged at intervals in the front and the back, and the control seat is arranged between the two supporting transverse plates; and a limiting transverse groove is also arranged on the supporting transverse plate, and the guide rod is sequentially arranged in the inclined guide groove and the limiting transverse groove in a penetrating manner. The inclined guide grooves can guide the locking cross rod to stretch in the transverse direction, and the position of the locking cross rod relative sliding support piece in the vertical direction is further enabled to be unchanged all the time through the arrangement of the limiting transverse grooves, so that the locking cross rod is prevented from deviating in the vertical direction.
Preferably, from top to bottom, the inclined guide groove inclines downwards towards the center of the control seat; the control button is arranged at the bottom of the control seat, and in an unlocking state, the control button acts on the control button to enable the control seat to move upwards relative to the sliding support piece, and the guide rod moves along the inclined guide groove and drives the locking cross rod to approach to the central position of the control seat. The locking cross rod can be controlled to transversely move by moving the guide rod along the guide groove, so that the locking cross rod can be controlled to move by acting the control button.
Preferably, the guide bar is inserted through the locking rail in the front-rear direction. So that the guide rod and the locking cross rod are firmly connected.
Preferably, a decorative cover is arranged outside the sliding support piece, and comprises an upper cover and a lower cover which are in butt joint up and down; the control button is arranged at the lower end of the control seat and protrudes downwards from the lower cover. The decorative cover enables the structure to be more attractive, and the control button protrudes out of the lower cover, so that the pressing operation is easy.
Preferably, an elastic reset mechanism is arranged between the upper cover and the control seat, and the elastic reset mechanism comprises a positioning column arranged on one of the upper cover or the control seat and a positioning hole correspondingly arranged on the other of the upper cover and the control seat; a spring is arranged in the positioning hole; in the unlocking state, the positioning column extrudes the spring, and the spring provides elastic force to enable the control seat to have the tendency of resetting to enable the sliding support piece to be locked again.
Preferably, a pressing protrusion is provided on the positioning post in the circumferential direction, and the control seat moves relative to the sliding support so that the pressing protrusion presses the spring.
Preferably, the locking cross rod is L-shaped, one end of the locking cross rod, which is close to the control seat, is provided with a vertically upward limiting rod, a transversely-arranged limiting sliding groove is correspondingly arranged in the control seat, and the limiting rod is positioned in the limiting sliding groove. The locking cross rod can be further limited to slide in a reciprocating horizontal straight line in the transverse direction, the plugging and unplugging action of the locking cross rod is realized, and the locking cross rod can be smoothly inserted into or separated from the slot in the adjusting process.
A seat comprises the seat lifting device.
The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:
firstly, the lifting device controls the locking cross rod to be inserted into or withdrawn from the slot so as to realize the sliding locking and unlocking of the sliding support piece; the locking cross rod is ingenious in structural design, and the transverse movement of the locking cross rod can be controlled by acting a control button under the guiding action of the inclined guide groove; and when the adjustment is carried out, only the sliding support piece needs to be held, and the control button is pressed upwards, so that the adjustment can be carried out by one hand, and the adjustment is very easy and labor-saving.
Secondly, the sliding support piece is a metal component, so that the structural strength is high, and a stable supporting effect can be provided; the control seat is arranged in the cross beam; a limiting transverse groove is also formed in the cross beam, and the guide rod sequentially penetrates through the inclined guide groove and the limiting transverse groove; the inclined guide grooves can guide the locking cross rod to stretch in the transverse direction, and the position of the locking cross rod relative to the sliding support piece in the vertical direction is further kept unchanged by arranging the limiting cross grooves, so that the locking cross rod is prevented from deviating in the vertical direction; thereby enabling the locking rail to be smoothly inserted into or removed from the slot.
In addition, two chair rods are adopted to provide the sliding support function of the sliding support piece, and two ends of the sliding support piece are connected with the chair rods in a sliding mode so as to disperse stress; the sliding support piece is more stable when lifted and slid and cannot shake; and overall structure's intensity is higher, and the slip support piece can bear bigger gravity.
Moreover, a decorative cover is arranged outside the sliding support piece, so that the adjusting mechanism can be hidden, and the whole device is simpler and more attractive; and the control button is protruded out of the lower cover, so that the operation of a user is easy.
Drawings
FIG. 1 is a schematic perspective view of a lifting device according to an embodiment of the present invention;
FIG. 2 is an exploded view of a lifting device in an embodiment of the present invention;
FIG. 3 is a schematic perspective view of the control seat and the sliding support according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of another angle of the control seat and the sliding support according to the embodiment of the present invention;
FIG. 5 is a schematic perspective view of a control seat according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of the control seat cooperating with the upper cover and the lower cover in the embodiment of the present invention
Fig. 7 is a perspective view of a seat according to an embodiment of the present invention.
The figures are numbered: a chair rod 1; a sliding support 2; a cross beam 3; a sliding sleeve 4; an adjusting mechanism 5; a control seat 6; a limit chute 6 a; supporting the transverse plate 7; a restriction horizontal groove 7 a; a locking crossbar 8; a stopper rod 8 a; a slot 9; an inclined guide groove 10; a guide rod 11; a control button 12; a perforation 13; a decorative cover 14; an upper cover 15; a lower cover 16; a decorative sleeve 17; an avoidance window 18; positioning holes 19; a positioning post 20; a spring 21; the pressing projection 22; a chair seat A; a chair back B; an upper sliding support 211; lower sliding support 212.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. 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 than one 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 relates to the reference orientation of each part, such as front and rear, etc., and is described in a state where the user normally uses the chair after sitting.
The specific embodiment of the utility model is as follows:
as shown in fig. 1-6, the present invention firstly provides a lifting device for a chair, especially a lifting device for a learning chair used by children or students in daily life; the chair comprises a chair rod component, wherein the chair rod component is provided with two chair rods 1 which are longitudinally arranged at intervals, sliding supporting pieces 2 used for connecting and supporting a chair seat A or a chair back B are arranged on the two chair rods 1, and the left end and the right end of each sliding supporting piece 2 are respectively connected to the chair rods 1 in a sliding manner; and an adjusting mechanism 5 is further arranged between the chair rod 1 and the sliding support piece 2, the adjusting mechanism 5 can enable the sliding support piece 2 to be locked or unlocked in a sliding mode relative to the chair rod 1, so that the sliding support piece 2 can freely slide along the two chair rods 1 in a lifting mode or keep fixed relative to the chair rod 1, and then lifting adjustment of the chair seat A or the chair back B is achieved. In the utility model, two chair rods 1 are adopted to support the sliding support piece 2, and two ends of the sliding support piece 2 are connected with the chair rods 1; the double-chair rod structure can provide better sliding support effect, the whole lifting device has better support performance and higher connection strength.
As shown in fig. 2-5, the sliding support 2 is a dumbbell-shaped metal member, which includes a cross beam 3 and sliding sleeves 4 connected to two ends of the cross beam 3, wherein the sliding sleeves 4 are slidably sleeved on the chair rod 1; crossbeam 3 all adopts the metal material with sliding sleeve 4, and intensity is higher, can ensure the supporting effect.
Further comprising: the adjusting mechanism 5 comprises a control seat 6 arranged inside the cross beam 3, wherein the cross beam 3 is of an internal hollow structure, the cross beam 3 comprises supporting transverse plates 7 arranged at intervals in the front and back direction, and the control seat 6 is arranged between the two supporting transverse plates 7; and the mirror is equipped with two locking horizontal rods 8 that stretch out to both sides respectively in this control seat 6 the inboard of chair pole 1 correspond and be equipped with slot 9 that longitudinal interval was arranged, locking horizontal rod 8 can insert in slot 9, thereby control locking horizontal rod 8 through controlling locking horizontal rod 8 lateral shifting and insert or break away from slot 9, can realize the slip locking and the unblock of sliding support piece 2. The control base 6 is internally provided with an inclined guide groove 10 for guiding the locking cross rod 8 to transversely move, the inclined guide grooves 10 are arranged on two sides of the control base 6 in a mirror image mode, and from top to bottom, the inclined guide groove 10 inclines downwards towards the center direction of the control base 6; the locking cross bar 8 is provided with a guide rod 11, the guide rod 11 is arranged on the locking cross bar 8 in a penetrating manner along the front-back direction, and the guide rod 11 is also arranged in the inclined guide groove 10 in a penetrating manner; in addition, as shown in fig. 4, a limiting transverse groove 7a for further limiting the movement of the locking transverse rod 8 is further arranged on the supporting transverse plate 7, and the guide rod 11 is sequentially arranged in the inclined guide groove 10 and the limiting transverse groove 7a in a penetrating manner; and a control button 12 protruding downwards is arranged at the bottom of the control seat 6, and the control seat 6 can be driven to move upwards relative to the cross beam 3 by pressing the control button 12 upwards. Then, when the sliding support 2 is in the locking position, as shown in fig. 3, the guide rod 11 is located at the upper end of the inclined guide slot 10, the locking crossbar 8 extends outward for a maximum distance, and the locking crossbar 8 is inserted into the slot 9 of the chair rod 1, so that the chair rod 1 and the sliding support 2 are relatively fixed; when the slide support 2 needs to be unlocked, as shown in fig. 4, the control button 12 is pressed upwards to move the control seat 6 upwards relative to the cross beam 3, the guide rod 11 will move downwards along the inclined guide slot 10 and drive the locking cross rod 8 to move towards the center of the control seat 6, that is, the locking cross rod 8 will move transversely towards the center of the control seat 6 along the limiting cross slot 7a, so that the locking cross rod 8 exits from the slot, and the slide support 2 can slide upwards and downwards relative to the chair rod. Through the structure, the locking cross rod 8 can be controlled to retreat from the slot 9 only by acting the control button 12 to drive the control seat 6 to move upwards relative to the cross beam 3, and the operation is very simple and convenient; by arranging the inclined guide groove 10, the guide rod 11 moves along the inclined guide groove 10 so as to control the extension and contraction of the locking cross rod 8 in the transverse direction; the limiting transverse groove 7a is arranged, so that the position of the locking transverse rod 8 relative to the sliding support piece 2 in the vertical direction is always unchanged, the sliding sleeve 4 is provided with a through hole 13, the locking transverse rod 8 can be always aligned to the through hole 13, and the locking transverse rod 8 is prevented from deviating in the vertical direction; thereby enabling the adjustment process to be stable and smooth.
Furthermore, as shown in fig. 2 and 5, the locking cross bar 8 is "L" shaped, one end of the locking cross bar 8 close to the control seat 6 is further provided with a vertically upward limiting rod 8a, a limiting sliding groove 6a is correspondingly arranged in the control seat 6, and the limiting rod 8a is limited in the limiting sliding groove 6 a; can further restrict locking horizontal pole 8 and can only reciprocate horizontal straight line in the transverse direction and slide, realize locking horizontal pole 8's plug action, guarantee the adjustment in-process, locking horizontal pole 8 can be smooth and easy insert or break away from slot 9.
As shown in fig. 1, 2, 5 and 6, in the final assembly, a decorative cover 14 is further provided on the outside of the sliding support 2 to beautify the appearance, and the decorative cover 14 includes an upper cover 15 and a lower cover 16 which are butted up and down; the two ends of the upper cover 15 are correspondingly provided with decorative sleeves 17 sleeved on the chair rod 1, during installation, the upper cover 15 is covered on the sliding support piece 2 from top to bottom, the lower cover 16 is provided with an avoiding window 18 avoiding the control button 12, the lower cover 16 is butted with the upper cover 15 from the lower part, the control button 12 is enabled to penetrate out of the avoiding window 18 downwards, and the upper cover 15 is connected with the lower cover 16 through screws. An elastic reset mechanism which enables the control seat 6 to be always kept in a locked state is arranged between the upper cover 15 and the control seat 6, the elastic reset mechanism comprises a positioning hole 19 arranged on the control seat 6, a positioning column 20 protruding downwards is correspondingly arranged on the upper cover 15, part of the positioning column 20 is inserted into the positioning hole 19, a spring 21 is further arranged in the positioning hole 19, an extrusion bulge 22 used for extruding the spring 21 is arranged on the positioning column 20 along the circumferential direction, when the control button 12 is pressed upwards to enable the control seat 6 to move upwards relative to the sliding support piece 2, the extrusion bulge 22 acts on the spring 21 to be compressed, and the spring 21 provides elastic force to enable the control seat 6 to have the trend of moving downwards for resetting; so that, in turn, the control button 12 is pressed upwards, the sliding support 2 being in the unlocked condition; the sliding support 2 is automatically locked by releasing the control button 12; the operation is light and labor-saving. In summary, as shown in fig. 1, the lifting device has a skillful structural design and is provided with a decorative cover, so that the whole structure is beautiful; the control button 12 is exposed outside, and the operation is very convenient.
As shown in fig. 7, the present invention further provides a chair, in which the above-mentioned lifting device is provided, and the chair rod 1 is provided with an upper sliding support 211 and a lower sliding support 212, the chair back B is connected to the upper sliding support 211, and the chair seat a is correspondingly mounted on the lower sliding support 212; then the chair seat A and the chair back B can be adjusted in a lifting mode along the two chair rods 1, the chair is better in functionality, the adjusting mode is very quick and convenient, and only the control button 12 needs to be pressed.
Claims (10)
1. A seat lifting device characterized by comprising:
the chair rod component is provided with two chair rods which are longitudinally arranged at intervals;
a sliding support member for connecting and supporting the chair back or seat; two ends of the sliding support piece are respectively connected to the two chair rods in a sliding manner;
the adjusting mechanism comprises a control seat arranged in the sliding support piece, the mirror image on the control seat is provided with locking cross rods respectively extending towards two sides, and slots which are in splicing fit with the locking cross rods are longitudinally arranged at intervals on the inner side of the chair rod; the control seat is also provided with an inclined guide groove for guiding the locking cross rod to move transversely, and the locking cross rod is provided with a guide rod penetrating in the inclined guide groove; the control seat can move in the vertical direction relative to the sliding support piece, and a control button is further arranged on the control seat;
the sliding support piece has a locking state and an unlocking state, and in the locking state, the locking cross bar is inserted into the slot so that the sliding support piece and the chair bar are relatively fixed; under the unblock state, act on control button and drive the relative slip support piece of control seat and move, the guide bar moves in order to order about locking horizontal pole sideslip and withdraw from the slot along oblique guide way.
2. The seat lifting device according to claim 1, wherein: the sliding support piece is a dumbbell-shaped metal component and comprises a cross beam and sliding sleeves respectively connected to two ends of the cross beam, and the sliding sleeves are sleeved on the chair rod in a sliding mode.
3. The seat lifting device according to claim 2, wherein: the cross beam comprises supporting transverse plates which are arranged at intervals in the front and the back, and the control seat is arranged between the two supporting transverse plates; and a limiting transverse groove is also arranged on the supporting transverse plate, and the guide rod is sequentially arranged in the inclined guide groove and the limiting transverse groove in a penetrating manner.
4. The seat lifting device according to claim 1, wherein: from top to bottom, the inclined guide groove inclines downwards towards the center direction of the control seat; the control button is arranged at the bottom of the control seat, and in an unlocking state, the control button acts on the control button to enable the control seat to move upwards relative to the sliding support piece, and the guide rod moves along the inclined guide groove and drives the locking cross rod to approach to the central position of the control seat.
5. The seat lifting device according to claim 1, wherein: the guide rod is arranged on the locking cross rod in a penetrating way along the front-back direction.
6. The seat lifting device according to claim 1, wherein: the sliding support is also provided with a decorative cover outside, and the decorative cover comprises an upper cover and a lower cover which are in butt joint up and down; the control button is arranged at the lower end of the control seat and protrudes downwards from the lower cover.
7. The seat lifting device according to claim 6, wherein: an elastic reset mechanism is arranged between the upper cover and the control seat, and comprises a positioning column arranged on one of the upper cover or the control seat and a positioning hole correspondingly arranged on the other of the upper cover and the control seat; a spring is arranged in the positioning hole; in the unlocking state, the positioning column extrudes the spring, and the spring provides elastic force to enable the control seat to have the tendency of resetting to enable the sliding support piece to be locked again.
8. The seat lifting device according to claim 7, wherein: along the circumferential direction, an extrusion bulge is arranged on the positioning column, and the control seat moves relative to the sliding support piece so that the extrusion bulge acts on the spring in an extrusion manner.
9. The seat lifting device according to claim 1, wherein: the locking cross rod is L-shaped, one end of the locking cross rod, which is close to the control seat, is provided with a vertical upward limiting rod, a transversely arranged limiting sliding groove is correspondingly arranged in the control seat, and the limiting rod is positioned in the limiting sliding groove.
10. A seat, characterized by: comprising a seat lifting device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121626601.5U CN216166508U (en) | 2021-07-16 | 2021-07-16 | Seat lifting device and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121626601.5U CN216166508U (en) | 2021-07-16 | 2021-07-16 | Seat lifting device and seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216166508U true CN216166508U (en) | 2022-04-05 |
Family
ID=80894821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121626601.5U Active CN216166508U (en) | 2021-07-16 | 2021-07-16 | Seat lifting device and seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216166508U (en) |
-
2021
- 2021-07-16 CN CN202121626601.5U patent/CN216166508U/en active Active
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