CN211021513U

CN211021513U - Height-adjustable table and chair

Info

Publication number: CN211021513U
Application number: CN201920907777.4U
Authority: CN
Inventors: 夏淦
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-07-17
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a height-adjustable table chair, concretely relates to desk chair technical field, including the table body and the chair body, the four corners department of table body bottom all is equipped with first casing, the bracing piece has been cup jointed in the first casing, be equipped with first adjustment mechanism between casing and the bracing piece, the four corners department of chair body four parts all is equipped with the slide bar, slide bar lateral wall sliding connection has the second sliding sleeve, second sliding sleeve lateral wall joint has the second casing, be equipped with second adjustment mechanism between second casing and the slide bar, first adjustment mechanism includes first screw cap, first screw cap inlays the top of locating the bracing piece. The utility model discloses a set up first screw thread post and second screw thread post, avoided the high wearing and tearing that cause first casing and second casing of many times adjustment, need not use appurtenance and can go up and down, made things convenient for the chair body and the table body height that children student adjusted the adaptation.

Description

Height-adjustable table and chair

Technical Field

The utility model relates to a desk chair technical field, more specifically say, this utility model relates to a height-adjustable's table chair.

Background

A desk and chair is a desk and chair for students to attend class, is also called a student desk and chair, a school desk and chair, and the current school desk with a unified system cannot be used by people with different heights.

Patent application publication No. CN 204541314U's utility model discloses a table chair interarea board, the flexible body of rod of adjusting and ground connection banket, table chair interarea board is provided with the technology and connects the turning, is connected with the flexible body of rod of adjusting through rotatory bolt, the flexible body of rod of adjusting is the multisection telescopic link, can rotate around rotatory bolt, is provided with the pole length scale on the pole. The utility model discloses a student that is particularly suitable for growth phase of development uses, and the student can adjust the table chair to the height of recommending according to the high reference table of recommending of seat according to the height of oneself, weight, bodily form, avoids the improper problem that causes growth of posture, and along with the student grows up, the table chair can be adjusted, need not to change to the table chair face can also angle regulation, uses comfortablely when the drawing board, and is attentive, relieved.

However, in actual use, there still exist many disadvantages, such as the locking fitting of the device is too troublesome to adjust, an auxiliary tool is needed to screw and disassemble the locking fitting, and there is no reinforcing rib near the locking hole, which is easy to cause the situation that the sliding thread of the locking member cannot be assembled due to abrasion in the adjusting process, and thus the using requirement cannot be well satisfied.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the embodiment of the present invention provides a height-adjustable table and chair, wherein when the height of the table body and the chair body needs to be adjusted, the handle is screwed forward to drive the first threaded post and the second threaded post to rotate, the first threaded post is moved out of the second threaded cap, the first shell can slide outside the support rod, when the second threaded post is rotated out of the third threaded cap, the slide plate and the slide rod can adjust the height of the table body and the chair body downwards, so that a child user can adjust the height of the table body and the chair body by rotating the handle by himself, the second threaded cap and the fourth threaded cap can support and fix the side walls of the first shell and the second shell, thereby avoiding the abrasion of the first shell and the second shell caused by adjusting the height for many times, the height can be lifted without using an auxiliary tool, and the height adjustment of the chair body and the table body adapted by the child student is convenient, to solve the problems set forth in the background art described above.

In order to achieve the above object, the utility model provides a following technical scheme: a height-adjustable table and chair comprises a table body and a chair body, wherein first shells are arranged at four corners of the bottom of the table body, supporting rods are sleeved in the first shells, a first adjusting mechanism is arranged between the shells and the supporting rods, sliding rods are arranged at four corners of the chair body, the outer side walls of the sliding rods are connected with second sliding sleeves in a sliding mode, the outer side walls of the second sliding sleeves are connected with second shells in a clamping mode, and a second adjusting mechanism is arranged between the second shells and the sliding rods;

the first adjusting mechanism comprises a first threaded cap, the first threaded cap is embedded at the top end of the supporting rod, an opening is formed in one side of the first shell and in a position corresponding to the supporting rod, a first threaded column is connected with the first threaded cap in an internal thread mode, a plurality of second threaded caps are embedded at one side of the inner cavity of the first shell, one end of the first threaded column is in threaded connection with the second threaded caps, a cylindrical sleeve is movably sleeved on the outer side wall of the supporting rod, and the cylindrical sleeve is embedded at the bottom of the inner cavity of the first shell;

the second adjustment mechanism includes the slide, the top and the slide bar bottom fixed connection of slide, the bottom of slide is equipped with the fixed block, one side of fixed block is inlayed and is equipped with third screw cap, one side of casing is inlayed and is equipped with a plurality of fourth screw caps, and the fourth screw cap internal thread of third screw cap and corresponding position is connected with same second screw thread post, the second spout has all been seted up to the both sides of second casing inner chamber, the both ends sliding connection of slide is in the second spout, the bottom of fixed block is equipped with the spring, the bottom of spring and the bottom fixed connection of second casing inner chamber.

In a preferred embodiment, first sliding grooves are formed in two sides of an inner cavity of the first shell, sliding blocks are arranged on two sides of the supporting rod, and the sliding blocks are connected in the first sliding grooves in a sliding mode.

In a preferred embodiment, one end of each of the first and second threaded columns is provided with a handle.

In a preferred embodiment, the bottom end of the support rod is provided with a first support pad, and the bottom end of the second shell is provided with a second support pad.

In a preferred embodiment, the first housing and the support bar are both rectangular in cross-sectional shape.

In a preferred embodiment, the height of the opening is equal to the height of several second screw caps, and the length of the opening is greater than the diameter of the second screw caps.

In a preferred embodiment, the sliding rod and the sliding sleeve are both circular in axial cross-sectional shape.

In a preferred embodiment, the table body and the chair body are both stainless steel plate frames.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up first screw thread post and second screw thread post, when the height of the table body and the chair body need to be adjusted, through forward twisting the handle and drive first screw thread post and second screw thread post and rotate, first screw thread post shifts out the second screw cap, first casing can slide outside the bracing piece at this moment, when second screw thread post changes out the third screw cap, slide and slide bar drive the chair body downwards and adjust the height, thereby make children user can adjust the height of the table body and the chair body through rotating the handle by oneself, second screw cap and fourth screw cap can support first casing and second casing lateral wall and fix, the wearing and tearing that the height adjusted many times caused first casing and second casing have been avoided, can go up and down without using auxiliary tool, the chair body and the table body height that make things convenient for children student to adjust the adaptation;

2. the utility model discloses a set up slider and slide, when first casing moves down, first casing passes through the first spout of both sides and slides outside the slider, stability when having guaranteed first casing height-adjusting, and the slide drives the stable lift of slide bar through the slip in the second spout simultaneously, has guaranteed the stability that the chair body and the table body go up and down, has avoided going up and down to appear squinting and influence student's study and use.

Drawings

Fig. 1 is a schematic view of the front view cross-sectional structure of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a portion a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of a front sectional structure of the first housing of the present invention.

Fig. 4 is a schematic structural diagram of a portion B in fig. 3 according to the present invention.

Fig. 5 is a schematic perspective view of the present invention.

The reference signs are: the chair comprises a table body 1, a chair body 2, a first shell 3, a cylindrical sleeve 4, a supporting rod 5, a first threaded cap 6, a sliding block 7, a first sliding groove 8, a second threaded cap 9, a handle 10, a first threaded column 11, an opening 12, a first supporting pad 13, a sliding rod 14, a sliding sleeve 15, a second shell 16, a sliding plate 17, a second sliding groove 18, a fixing block 19, a third threaded cap 20, a second threaded column 21, a fourth threaded cap 22, a spring 23 and a second supporting pad 24.

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.

The utility model provides a height-adjustable table and chair as shown in figures 1-5, which comprises a table body 1 and a chair body 2, wherein four corners of the bottom of the table body 1 are respectively provided with a first shell 3, a support rod 5 is sleeved in the first shell 3, a first adjusting mechanism is arranged between the shell and the support rod 5, four corners of the chair body 2 are respectively provided with a slide bar 14, the outer side wall of the slide bar 14 is slidably connected with a second slide sleeve 15, the outer side wall of the second slide sleeve 15 is connected with a second shell 16 in a clamping manner, and a second adjusting mechanism is arranged between the second shell 16 and the slide bar 14;

the first adjusting mechanism comprises a first threaded cap 6, the first threaded cap 6 is embedded at the top end of the supporting rod 5, an opening 12 is formed in one side of the first shell 3 and the corresponding position of the supporting rod 5, a first threaded column 11 is connected with the first threaded cap 6 in an internal thread mode, a plurality of second threaded caps 9 are embedded at one side of the inner cavity of the first shell 3, one end of the first threaded column 11 is in threaded connection with the second threaded caps 9, a cylindrical sleeve 4 is movably sleeved on the outer side wall of the supporting rod 5, and the cylindrical sleeve 4 is embedded at the bottom of the inner cavity of the first shell 3;

the second adjusting mechanism comprises a sliding plate 17, the top of the sliding plate 17 is fixedly connected with the bottom end of the sliding rod 14, a fixed block 19 is arranged at the bottom of the sliding plate 17, a third threaded cap 20 is embedded at one side of the fixed block 19, a plurality of fourth threaded caps 22 are embedded at one side of the shell, the third threaded cap 20 and the fourth threaded cap 22 at the corresponding position are in threaded connection with the same second threaded column 21, second sliding grooves 18 are formed in two sides of an inner cavity of the second shell 16, two ends of the sliding plate 17 are slidably connected in the second sliding grooves 18, a spring 23 is arranged at the bottom of the fixed block 19, and the bottom end of the spring 23 is fixedly connected with the bottom end of the inner cavity of the second shell 16;

handles 10 are arranged at one ends of the first threaded column 11 and the second threaded column 21;

the cross sections of the first shell 3 and the support rod 5 are both rectangular;

the height of the opening 12 is equal to the height of the second threaded caps 9, and the length of the opening 12 is greater than the diameter of the second threaded caps 9;

the shaft cross-sectional shapes of the sliding rod 14 and the sliding sleeve 15 are both circular;

the table body 1 and the chair body 2 are both stainless steel plate frames.

The implementation mode is specifically as follows: when the heights of the table body 1 and the chair body 2 need to be adjusted, the handle 10 is screwed forward to drive the first threaded column 11 and the second threaded column 21 to rotate, the first threaded column 11 is moved out of the second threaded cap 9 when the first threaded cap 6 and the second threaded cap 9 rotate, at the moment, the first shell 3 can slide outside the supporting rod 5, when the first shell 3 drives the second threaded cap 9 above downwards to move and the first threaded column 11 is in a corresponding position, the handle 10 is screwed reversely to drive the first threaded column 11 to rotate into the second threaded cap 9, the second threaded column 21 rotates to rotate in the third threaded cap 20 and the fourth threaded cap 22, when the second threaded column 21 rotates out of the third threaded cap 20, the spring 23 is not pulled by the sliding plate 17, the sliding plate 17 and the sliding rod 14 are driven by the self-pulling force of the spring 23 to move downwards, and the sliding plate 14 and the sliding plate 17 can be extruded and fixed by the spring 23, carry out certain absorption to the impact simultaneously, stability when having guaranteed slide 17 and adjusting, thereby make the student user can be through the height of the rotatory handle 10 adjustment table body 1 of proper motion and the chair body 2, second screw cap 9 and fourth screw cap 22 can support first casing 3 and the 16 lateral walls of second casing and strengthen, avoided adjusting the high wearing and tearing that cause first casing 3 and second casing 16 many times, need not use appurtenance, it is swift to dismantle the adjustment, made things convenient for the chair body 2 and the table body 1 height that children student adjusted the adaptation.

The utility model provides a height-adjustable table chair as shown in fig. 1 and 3-4 still includes first casing 3, first spout 8 has all been seted up to the both sides of 3 inner chambers of first casing, the both sides of bracing piece 5 all are equipped with slider 7, slider 7 sliding connection is in first spout 8

Two sides of the inner cavity of the second shell 16 are both provided with second sliding chutes 18, and two ends of the sliding plate 17 are slidably connected in the second sliding chutes 18;

the bottom of bracing piece 5 is equipped with first supporting pad 13, the bottom of second casing 16 is equipped with second supporting pad 24.

The implementation mode is specifically as follows: when first casing 3 moves down, first casing 3 slides outside slider 7 through first spout 8 of both sides, stability when having guaranteed first casing 3 height-adjusting, slide 17 drives the stable lift of slide bar 14 through the slip in second spout 18 simultaneously, the stability of the lift of the chair body 2 and the table body 1 has been guaranteed, the skew influences student's study and use has been avoided appearing in the lift, first supporting pad 13 and second supporting pad 24 can utilize self elasticity and ground laminating simultaneously, stability when having guaranteed the table body 1 and the chair body 2 and place.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, when the heights of the table body 1 and the chair body 2 need to be adjusted, the handle 10 is screwed forward to drive the first threaded column 11 and the second threaded column 21 to rotate, the first threaded column 11 moves out of the second threaded cap 9, the first shell 3 can slide outside the support rod 5, when the second threaded column 21 rotates out of the third threaded cap 20, the spring 23 is not pulled by the sliding plate 17, the spring 23 drives the sliding plate 17 and the sliding rod 14 to move downwards by utilizing the self-pulling force, the sliding rod 14 drives the chair body 2 to adjust the height downwards, so that a child user can adjust the heights of the table body 1 and the chair body 2 by rotating the handle 10 by self, the second threaded cap 9 and the fourth threaded cap 22 can support and fix the side walls of the first shell 3 and the second shell 16, the abrasion of the first shell 3 and the second shell 16 caused by adjusting the heights for many times is avoided, and the lifting can be carried out without using auxiliary tools, the height of the adaptive chair body 2 and the height of the table body 1 can be conveniently adjusted by children and students;

referring to the attached drawings 1 and 3-4 of the specification, when the first shell 3 moves downwards, the first shell 3 slides outside the sliding block 7 through the first sliding grooves 8 on the two sides, so that the stability of the first shell 3 in height adjustment is ensured, meanwhile, the sliding plate 17 drives the sliding rod 14 to stably lift through sliding in the second sliding groove 18, so that the lifting stability of the chair body 2 and the table body 1 is ensured, and the phenomenon that the lifting deviates to influence the study and use of students is avoided.

And finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a height-adjustable's table chair, includes the table body (1) and the chair body (2), its characterized in that: the chair is characterized in that first shells (3) are arranged at four corners of the bottom of the table body (1), supporting rods (5) are sleeved in the first shells (3), a first adjusting mechanism is arranged between the shells and the supporting rods (5), sliding rods (14) are arranged at four corners of the chair body (2), the outer side walls of the sliding rods (14) are connected with second sliding sleeves (15) in a sliding mode, second shells (16) are clamped on the outer side walls of the second sliding sleeves (15), and second adjusting mechanisms are arranged between the second shells (16) and the sliding rods (14);

the first adjusting mechanism comprises a first threaded cap (6), the first threaded cap (6) is embedded at the top end of the supporting rod (5), an opening (12) is formed in the position, corresponding to the supporting rod (5), of one side of the first shell (3), a first threaded column (11) is connected with the first threaded cap (6) in an internal thread mode, a plurality of second threaded caps (9) are embedded at one side of the inner cavity of the first shell (3), one end of the first threaded column (11) is in threaded connection with the second threaded caps (9), a cylindrical sleeve (4) is movably sleeved on the outer side wall of the supporting rod (5), and the cylindrical sleeve (4) is embedded at the bottom of the inner cavity of the first shell (3);

second adjustment mechanism includes slide (17), the top and slide bar (14) bottom fixed connection of slide (17), the bottom of slide (17) is equipped with fixed block (19), one side of fixed block (19) is inlayed and is equipped with third screw cap (20), one side of casing is inlayed and is equipped with a plurality of fourth screw caps (22), and third screw cap (20) and fourth screw cap (22) internal thread connection who corresponds the position have same second screw thread post (21), second spout (18) have all been seted up to the both sides of second casing (16) inner chamber, the both ends sliding connection of slide (17) is in second spout (18), the bottom of fixed block (19) is equipped with spring (23), the bottom of spring (23) and the bottom fixed connection of second casing (16) inner chamber.

2. A height adjustable table and chair as claimed in claim 1, wherein: first spout (8) have all been seted up to the both sides of first casing (3) inner chamber, the both sides of bracing piece (5) all are equipped with slider (7), slider (7) sliding connection is in first spout (8).

3. A height adjustable table and chair as claimed in claim 1, wherein: and one ends of the first threaded column (11) and the second threaded column (21) are respectively provided with a handle (10).

4. A height adjustable table and chair as claimed in claim 1, wherein: the bottom of bracing piece (5) is equipped with first supporting pad (13), the bottom of second casing (16) is equipped with second supporting pad (24).

5. A height adjustable table and chair as claimed in claim 1, wherein: the cross sections of the first shell (3) and the support rod (5) are rectangular.

6. A height adjustable table and chair as claimed in claim 1, wherein: the height of the opening (12) is equal to the height of the second threaded caps (9), and the length of the opening (12) is larger than the diameter of the second threaded caps (9).

7. A height adjustable table and chair as claimed in claim 1, wherein: the axial section shapes of the sliding rod (14) and the sliding sleeve (15) are both circular.

8. A height adjustable table and chair as claimed in claim 1, wherein: the table body (1) and the chair body (2) are both stainless steel plate frames.