CN213215845U

CN213215845U - Table and chair height adjusting mechanism

Info

Publication number: CN213215845U
Application number: CN202021872881.3U
Authority: CN
Inventors: 袁航
Original assignee: Nanchang Lantian Furniture Industry Co ltd
Current assignee: Nanchang Lantian Furniture Industry Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-05-18
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a table chair height regulating mechanism relates to table chair technical field, including table chair body, table chair body below fixedly connected with sleeve pipe, the intraductal support that is equipped with of cover, be equipped with elevating gear under the table chair body, elevating gear below fixedly connected with lift control device, inside fixed block and the briquetting of being equipped with of lift control device, briquetting and a connecting rod fixed connection, a connecting rod below is equipped with connecting rod two, a terminal fixedly connected with flexion and the connecting rod two of connecting rod, the terminal fixedly connected with fixture block of two connecting rod. The utility model discloses a simple structure, through elevating gear and lift control device's setting for when adjusting table chair height, the unified regulation of table leg need not take place the condition of empting in the table chair accommodation process respectively in proper order to the height-adjusting, has improved work efficiency effectively, also makes the height that the table leg was adjusted remain unanimous throughout, has guaranteed the steady of table chair.

Description

Table and chair height adjusting mechanism

Technical Field

The utility model relates to a table chair technical field specifically is a table chair height regulating mechanism.

Background

At present, when a learning table, a computer table, a desk, a learning chair or other tables and chairs are used, the height of the table or chair needs to be adjusted sometimes according to the sitting height of a user, particularly, the height of a student changes rapidly along with the growth of the age, so that the height of the desk or chair needs to be adjusted continuously in the process of using the table or chair, the eyesight of the student is protected conveniently, and meanwhile, when the desk or chair is used, people with different heights have different requirements on the height of the table or chair, and the height of the table or chair needs to be adjusted when the desk or chair is used.

And generally current table chair height control mechanism, four table legs adjust in proper order usually, consequently when adjusting table chair height, can make the table chair because of the inconsistent emergence slope of table leg height, make the table chair topple over even, easily cause personnel's damage and can damage article on the table chair, and behind the height-adjusting, the condition that the table leg was adjusted highly inconsistent can appear, leads to the surface of table chair unstable. Therefore, a table and chair height adjusting mechanism is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a table chair height regulating mechanism to solve the problem in the above-mentioned technical background. In order to achieve the above object, the utility model provides a following technical scheme: a table and chair height adjusting mechanism comprises a table and chair body, wherein a sleeve is fixedly connected to the lower portion of the table and chair body, a support is arranged inside the sleeve, a lifting device is arranged under the table and chair body, a first moving block is arranged inside the lifting device, a first limiting block is arranged between the first moving blocks, two sides of the first limiting block are provided with second moving blocks, the first moving block and the second moving block are connected with the first limiting block through a first spring, one side of the first moving block is fixedly connected with a sliding block, two sides of the sliding block are provided with sliding grooves, two sides of the sliding block are provided with pulleys, the pulleys are movably connected with fixing rods, the tail ends of the fixing rods are fixedly connected with a first connecting rod, a lifting control device is fixedly connected to the lower portion of the lifting control device, a fixing block is, the second limiting block is movably connected with a pressing block through a second spring, the pressing block is fixedly connected with the first connecting rod, a second connecting rod is arranged below the first connecting rod, a bent portion is fixedly connected with the tail end of the first connecting rod, the first connecting rod is fixedly connected with the second connecting rod through the bent portion, a clamping block is fixedly connected with the tail end of the second connecting rod, the clamping block is connected to the sleeve and the support in a clamping mode, and rectangular holes corresponding to the positions of the clamping blocks are formed in the side surfaces of the sleeve and the support.

As a further aspect of the present invention: the pulley is equipped with a plurality ofly, just the pulley cooperatees with the spout.

As a further aspect of the present invention: the tail end of the fixed rod is provided with an inclined plane, and the inclined plane is matched with the inclined plane on the sliding block.

As a further aspect of the present invention: the first moving block and the second moving block are both in a trapezoidal structure, and trapezoidal inclined planes can be matched with each other.

As a further aspect of the present invention: the distance between the first moving block and the first limiting block and the distance between the second moving block and the first limiting block are equal to the distance between the pressing block and the second limiting block.

As a further aspect of the present invention: and the distance from the pressing block to the second limiting block is equal to the length of the protruding part of the clamping block.

As a further aspect of the present invention: the rectangular holes are multiple and are respectively located at the middle upper section of the support and the middle lower section of the sleeve.

Has the advantages that:

1. the table and chair height adjusting mechanism provides a lifting device, a first connecting rod, a second connecting rod, a fixed rod, a first moving block, a first limiting block, a first spring, a sliding block, a second moving block, a sliding groove, a pulley and a bending part are arranged in the lifting device, the first moving block and the moving block move towards the first limiting block through a lifting control device, so that the purpose of free lifting is achieved, the fixed rod can be driven to move when the second moving block is moved through the arrangement of the sliding block, the pulleys on two sides of the sliding block are extruded towards the middle, the inclined surface is arranged at the tail end of the fixed rod and matched with the inclined surface on the sliding block, the first moving block moves, so that the effect of controlling the simultaneous movement of the first four connecting rods is achieved, the first spring is arranged, and after the height of a table and chair is adjusted, the first moving block and the second moving block, make things convenient for next time height adjustment, the setting of stopper one, the distance that movable block one and movable block two removed has been restricted, the accuracy of height adjustment has been guaranteed, connecting rod one, the setting of connecting rod two and flexion, make the operation simple and laborsaving more, the accuracy of height adjustment has been guaranteed again simultaneously, avoid taking place the slope, unstable phenomenon such as topple over, setting through the device, the effect of four table legs simultaneous adjustment position has been reached, the table leg is unified to be adjusted, need not adjust height respectively in proper order, the condition of toppling over takes place in having avoided the table chair accommodation process, work efficiency is effectively improved, also make the height that the table leg was adjusted remain unanimous throughout, the steady of table chair has been guaranteed.

2. This table chair height regulating mechanism provides lift control device, the inside briquetting that is equipped with of the device, stopper two, fixed block and spring two, through pressing the briquetting, thereby control elevating gear's raising and lowering functions, the setting of fixed block and stopper two, the distance of pressing of injecing, the flexible length of fixture block has also been controlled simultaneously, guaranteed the fixture block can be completely with support and sleeve pipe joint, the stability of table chair has been guaranteed, the setting of spring two, make to press the briquetting after, the briquetting can reset, next use has been made things convenient for.

Drawings

FIG. I is a three-dimensional structure diagram of the present invention;

fig. two is a three-dimensional structure diagram of the lifting device and the lifting control device of the utility model;

FIG. three is a front view internal structure diagram of the lifting device and the lifting control device of the present invention;

fig. four is a top view of the internal structure of the lifting device of the present invention;

FIG. V is a schematic plan view of a slider according to the present invention;

fig. six is a detailed structure diagram of the interior of the sleeve and the bracket in the utility model;

fig. seven is a three-dimensional structure diagram of a first connecting rod and a second connecting rod of the utility model;

figure eight is a plan view of the first connecting rod and two sides of the connecting rod of the present invention;

in the figure: 1. the table and chair body 2 comprises a lifting device 201, a first connecting rod 202, a second connecting rod 203, a fixed rod 204, a first moving block 205, a first limit block 206, a first spring 207, a sliding block 208, a second moving block 209, a sliding groove 210, a pulley 211, a bent portion 3, a bracket 4, a fixture block 5, a sleeve 6, a lifting control device 601, a press block 602, a second limit block 603, a fixed block 604, a second spring 7 and a rectangular tube.

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 following technical scheme:

as shown in fig. 1-8, a table and chair height adjusting mechanism comprises a table and chair body 1, a sleeve 5 is fixedly connected below the table and chair body 1, a support 3 is arranged inside the sleeve 5, a lifting device 2 is arranged under the table and chair body 1, a first moving block 204 and a second moving block 208 move towards a first limiting block 205 by controlling the lifting device 2, so that the purpose of free lifting is achieved, the first moving block 204 is arranged inside the lifting device 2, the first limiting block 205 is arranged between the first moving blocks 204, the arrangement of the first limiting block 205 limits the moving distance between the first moving block 204 and the second moving block 208, so that the accuracy of height adjustment is guaranteed, the second moving blocks 208 are arranged on two sides of the first limiting block 205, the first moving block 204 and the second moving block 208 are connected with the first limiting block 205 through a first spring 206, and the first spring 206 is arranged, so that after the height of the table, the first moving block 204 and the second moving block 208 can be reset through the elastic force of the first spring 206, the height can be adjusted for the next time conveniently, a sliding block 207 is fixedly connected to one side of the first moving block 204, sliding grooves 209 are formed in two sides of the sliding block 207, pulleys 210 are arranged on two sides of the sliding block 207, the pulleys 210 are matched with the sliding grooves 209, the first moving block 204 can be moved by the arrangement of the sliding block 207, the sliding grooves 209 and the pulleys 210 when the second moving block 208 is moved, so that the pulleys 210 on two sides of the sliding block 207 are extruded towards the middle, and the first moving block 204 can be moved by the inclined plane formed at the tail end of the fixed rod 203 and matched with the inclined plane on the sliding block 207, so that the effect of controlling the simultaneous movement of the four first connecting rods 204 is achieved, the fixed rod 203 is movably connected to the pulley 210, the first connecting rod 201, the inside fixed block 603 that is equipped with of lift control device 6, two stopper 602 of fixed block 603 both sides fixedly connected with, two 602 both sides of stopper are connected with two springs 604, two stopper 602 have briquetting 601 through two 604 swing joints of spring, briquetting 601 and connecting rod 201 fixed connection, through pressing briquetting 601, thereby control elevating gear 2's lift function, the distance of pressing has been injectd in the setting of fixed block 603 and two stopper 602, has also controlled the flexible length of fixture block 4 simultaneously, has guaranteed fixture block 4 and can completely with support 3 and sleeve pipe 5 joint, has guaranteed the stability of table chair, the setting of spring two 604 for after pressing the briquetting, the briquetting can reset, has made things convenient for next use, connecting rod two 202 is equipped with to connecting rod 201 below, connecting rod 201 end fixedly connected with flexion, connecting

rod

201, 211, connecting rod 201, Two 202 and the setting of flexion 211 of connecting rod for the operation is simpler and laborsaving, has guaranteed the accuracy of adjustment height again simultaneously, avoids taking place the unstable phenomenon such as slope, empting, connecting rod 201 passes through flexion 211 and two 202 fixed connection of connecting rod, the terminal fixedly connected with fixture block 4 of two 202 of connecting rod, 4 joints of fixture block are on sleeve pipe 5 and support 3, sleeve pipe 5 all is equipped with the rectangular hole 7 corresponding with fixture block 4 position size with 3 side surfaces of support, through the setting of this elevating gear 2, has reached the effect of four table legs adjusting position simultaneously, and the table leg is unified to be adjusted, need not adjust the height respectively in proper order, has avoided taking place the condition of empting in the table chair accommodation process, has improved work efficiency effectively, also makes the height that the table leg was adjusted remain unanimous throughout, has guaranteed the steady of table chair.

The working principle is as follows: during the use, press briquetting 601 to drive the second moving block 208 to the direction removal of stopper 205, according to the cooperation of pulley 210 and slider 207, drive the first moving block 204 also to the direction removal of stopper 205, make fixture block 4 inwards retract, at this moment, hold elevating gear 2 with the hand and upwards or downwards move, support 3 also downwards or upwards moves in sleeve 5, until adjusting to the anticipated height, then aim at rectangular hole 7 on support 3 and the sleeve 5, loosen briquetting 601, fixture block 4 joint is in rectangular hole 7 on support 3 and the sleeve 5, the adjustment position finishes, if need adjust the table chair height once more, only need repeat above-mentioned step can.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a table chair height regulating mechanism, includes table chair body (1), table chair body (1) below fixedly connected with sleeve pipe (5), inside support (3), its characterized in that of being equipped with of sleeve pipe (5): a lifting device (2) is arranged under the table and chair body (1), a first moving block (204) is arranged in the lifting device (2), a first limiting block (205) is arranged between the first moving blocks (204), second moving blocks (208) are arranged on two sides of the first limiting block (205), the first moving block (204) and the second moving block (208) are connected with the first limiting block (205) through a first spring (206), a sliding block (207) is fixedly connected to one side of the first moving block (204), sliding grooves (209) are arranged on two sides of the sliding block (207), pulleys (210) are arranged on two sides of the sliding block (207), a fixed rod (203) is movably connected to the pulleys (210), a first connecting rod (201) is fixedly connected to the tail end of the fixed rod (203), a lifting control device (6) is fixedly connected to the lower portion of the lifting device (2), and a fixed block (603), fixed block (603) both sides fixedly connected with stopper two (602), stopper two (602) both sides are connected with spring two (604), stopper two (602) have briquetting (601) through spring two (604) swing joint, briquetting (601) and connecting rod one (201) fixed connection, connecting rod one (201) below is equipped with connecting rod two (202), connecting rod one (201) terminal fixedly connected with flexion (211), connecting rod one (201) are through flexion (211) and connecting rod two (202) fixed connection, the terminal fixedly connected with fixture block (4) of connecting rod two (202), fixture block (4) joint is on sleeve pipe (5) and support (3), sleeve pipe (5) and support (3) side surface all are equipped with fixture block (4) position size corresponding rectangular hole (7).

2. A table and chair height adjustment mechanism as claimed in claim 1, wherein: the pulley (210) is provided with a plurality of pulleys, and the pulley (210) is matched with the sliding groove (209).

3. A table and chair height adjustment mechanism as claimed in claim 1, wherein: the tail end of the fixing rod (203) is provided with an inclined surface, and the inclined surface is matched with the inclined surface on the sliding block (207).

4. A table and chair height adjustment mechanism as claimed in claim 1, wherein: the first moving block (204) and the second moving block (208) are both in a trapezoidal structure, and trapezoidal inclined surfaces can be matched with each other.

5. A table and chair height adjustment mechanism as claimed in claim 1, wherein: the distance between the first moving block (204) and the first limiting block (205) and the distance between the second moving block (208) and the first limiting block (205) are equal to the distance between the pressing block (601) and the second limiting block (602).

6. A table and chair height adjustment mechanism as claimed in claim 1, wherein: the distance between the pressing block (601) and the second limiting block (602) is equal to the length of the protruding part of the clamping block (4).

7. A table and chair height adjustment mechanism as claimed in claim 4, wherein: the rectangular holes (7) are arranged in a plurality and are respectively positioned at the middle-upper section of the bracket (3) and the middle-lower section of the sleeve (5).