CN216019697U

CN216019697U - Length and height adjustable device for table

Info

Publication number: CN216019697U
Application number: CN202122389531.2U
Authority: CN
Inventors: 岳中勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-15
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to a length and height adjustable device of a table, which comprises a fixed rail and a sliding rail, wherein the sliding rail is arranged on the fixed rail in a sliding manner; according to the length and height adjustable device of the table, the handle, the lifting component and the limiting frame are additionally arranged, when the device is used, the handle is pulled to drive the lifting component to move and lift, so that the length and height can be adjusted, and the device is very simple and labor-saving to operate; meanwhile, the limiting frame also has a limiting effect on the movement and the lifting of the lifting assembly, and the interference of the lifting assembly is prevented from moving and lifting.

Description

Length and height adjustable device for table

Technical Field

The utility model relates to the technical field of furniture, in particular to a device capable of adjusting the length and the height of a table.

Background

The desk with the height and the length capable of being adjusted at present is disclosed in Chinese utility model patent, name: a table with adjustable height and length, authorized bulletin number: CN210130517U, entitled announcement date: 3/10/2020, which comprises a table board, table legs, a gear adjusting piece and a limit matching piece, and comprises an outer table board and an inner table board; the inner part of the outer table plate is provided with a hollow inner cavity, at least one side of the inner cavity is provided with an opening along the length direction of the outer table plate, and the inner table plate is arranged in the inner cavity and can slide in the inner cavity to adjust the length; the bottom of the outer table plate is provided with a abdicating groove, and the sliding of the inner table plate in the inner cavity can be controlled through the abdicating groove; the table legs comprise upper table legs and lower table legs, the lower table legs are hollow, one ends of the upper table legs are fixed on the bottom surface of the outer table plate, and the other ends of the upper table legs are inserted into the lower table legs and can slide in the lower table legs; the lower table legs are provided with gear adjusting parts, the upper table legs are provided with limiting matching parts, and the upper table legs can adjust the height between the gear adjusting parts of the lower table legs through the limiting matching parts; the desk solves the problems that children are uncomfortable in sitting posture due to the fact that the height of the desk is changed and the desk is not comfortable in length during learning, learning is influenced, and learning and development are influenced simultaneously.

However, the table with the structure still has the following defects: (1) when the height is adjusted, the first limiting clamping rod needs to be pressed forcibly (the elasticity of a first spring is overcome) by a hand or a tool, so that the first limiting clamping rod is retracted into the lower table leg, then the upper table leg can be pulled to carry out different gear adjustment, the upper table leg needs to be operated by two hands of a single person or even operated by two persons, and the operation process is complicated and laborious; (2) when adjusting length (shortening length), its operation is similar when with height-adjusting, also need press the spacing kelly of second hard (overcome the elasticity of second spring) with the hand or use instrument hard, then just can realize the regulation of length, and its operation process is also comparatively loaded down with trivial details and hard, is unfavorable for user operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of complexity and labor waste in height and length adjustment in the prior art, and provides a length and height adjusting device of a table, which is easy to operate and labor-saving.

The purpose of the utility model is realized as follows:

a length and height adjustable device of a table comprises a fixed rail and a sliding rail, wherein the sliding rail is arranged on the fixed rail in a sliding manner, and the length and height adjustable device is characterized by further comprising a handle, a lifting assembly and a limiting frame, wherein the handle is connected with the sliding rail; according to the length and height adjustable device of the table, the handle, the lifting component and the limiting frame are additionally arranged, when the device is used, the handle is pulled to drive the lifting component to move and lift, so that the length and height can be adjusted, and the device is very simple and labor-saving to operate; meanwhile, the limiting frame also has a limiting effect on the movement and the lifting of the lifting assembly, and the interference of the lifting assembly is prevented from moving and lifting.

The aim of the utility model can also be solved by the following technical measures:

specifically, the lifting assembly comprises a left side plate and a right side plate, inclined slide rails are respectively arranged on the left side plate and the right side plate, pulley shafts are arranged on the handles corresponding to the inclined slide rails, pulleys are arranged on the pulley shafts, and the pulleys are arranged on the inclined slide rails; through the pulley shaft with the pulley and the cooperation of slope slide rail to realize that the handle drives lifting unit and removes and go up and down, this kind of embodiment easily realizes and operates simply.

Specifically, the inclined slide rail is an inclined through hole, and the inclined through hole extends from low to high in an inclined manner from the handle to the slide rail; the slope through-hole is implemented comparatively simply, and the slope through-hole is extended toward high slope by low toward the slip rail direction by the handle, drives the lifting unit through the slope through-hole and rises and remove when being convenient for the handle to pull out, realizes the regulation of height.

Particularly, a horizontal through hole section extends forwards from the bottommost end of the inclined through hole; the horizontal through hole section is convenient for the pulley shaft of the handle to still slide relative to the lifting component after driving the lifting component to rise, and meanwhile, the pulley shaft is also ensured to be stably arranged on the inclined through hole.

Specifically, the handle is a U-shaped handle, the pulley shaft and the pulley are arranged on two sides of the inner wall of the U-shaped handle, and the left side plate and the right side plate are respectively arranged on two sides of the inner wall of the U-shaped handle through the matching of the inclined slide rail and the pulley; the U-shaped handle is convenient for drive left side board and right side board horizontal migration or lift removal simultaneously, and the good and stable that slides of feeling during the operation.

The fixing frame is characterized by further comprising a fixing frame, wherein fixing rails are respectively fixed on two sides of the inner wall of the fixing frame, a front sliding rail and a rear sliding rail are respectively arranged on two sides of each fixing rail, and each sliding rail is respectively fixed on two sides of the outer wall of the U-shaped handle; the mount plays the effect of installation fixed rail to guarantee fixed rail and the stable of sliding connection between the slip rail of fixed rail both sides.

Particularly, two limit frames are respectively fixed on the fixing frame between the two fixing rails, and two ends of each limit frame respectively extend to be close to the lifting assembly; the limiting frame and the lifting component which are close in position are convenient for the touch part on the lifting component to be matched with the limiting frame.

The lifting device comprises a handle, a lifting component and an elastic component, wherein the handle is arranged on the lifting component; the elastic part plays a certain boosting role when the handle drives the lifting assembly to ascend, and is favorable for the ascending of the lifting assembly.

Specifically, the elastic part is a cylindrical spring, the bottom end of the spring is abutted against the handle, and the top end of the spring is abutted against the bottom of the lifting frame component; the installation is easier and the elasticity is stable.

Particularly, a limiting shaft extends out of the inner side wall of the lifting assembly, a limiting wheel is mounted on the limiting shaft, the limiting wheel forms the touch part, and an L-shaped limiting groove for allowing the limiting wheel to enter and limiting the limiting wheel to slide upwards is formed in the limiting frame; the lifting component is matched with the L-shaped limiting groove on the limiting frame through the limiting shaft and the limiting wheel sleeved on the limiting shaft, so that the limitation of length and height can be realized.

The utility model has the following beneficial effects:

(1) according to the length and height adjustable device of the table, the handle, the lifting component and the limiting frame are additionally arranged, when the device is used, the handle is pulled to drive the lifting component to move and lift, so that the length and height can be adjusted, and the device is very simple and labor-saving to operate; meanwhile, the limiting frame also has a limiting effect on the movement and the lifting of the lifting assembly, and the interference of the lifting assembly is prevented from moving and lifting.

(2) Through the pulley shaft with the pulley and the cooperation of slope slide rail to realize that the handle drives lifting unit and removes and go up and down, this kind of embodiment easily realizes and operates simply.

(3) The U-shaped handle is convenient for drive left side board and right side board horizontal migration or lift removal simultaneously, and the good and stable that slides of feeling during the operation.

Drawings

Figure 1 is a schematic view of the length and height adjustable means of the table of the present invention in an initial state.

FIG. 2 is a schematic view of the adjustable apparatus of FIG. 1 in a length adjusted state.

Fig. 3 is an enlarged view of fig. 2 at a.

FIG. 4 is a schematic view of the adjustable apparatus of FIG. 1 in a length and height adjusted state.

Fig. 5 is a perspective view of a table equipped with the length and height adjustable device of the present invention.

Fig. 6 is an exploded view of fig. 5.

Detailed Description

The utility model is further described with reference to the following figures and examples:

an embodiment of the device, shown in fig. 1 to 4, for adjusting the length and height of a table includes a fixed rail 1 and a sliding rail 2, where the sliding rail 2 is slidably disposed on the fixed rail 1, and is characterized by further including a handle 3, a lifting component 4 and a limiting frame 5, where the handle 3 is connected to the sliding rail 2, the lifting component 4 is disposed on the handle 3 in a lifting manner, the limiting frame 5 is located beside the lifting component 4, the lifting component 4 is provided with a touch portion 6 towards the limiting frame 5, and when the lifting component 4 is lifted to a set position, the touch portion 6 abuts against the limiting frame 5.

As a specific scheme, the lifting assembly 4 includes a left side plate 41 and a right side plate 42, the left side plate 41 and the right side plate 42 are respectively provided with an inclined slide rail 43, a pulley shaft 31 is arranged on the handle 3 corresponding to the inclined slide rail 43, a pulley 32 is arranged on the pulley shaft 31, and the pulley 32 is arranged on the inclined slide rail 43.

In this embodiment, the inclined slide rail 43 is an inclined through hole, and the inclined through hole extends from the lower part to the higher part in the direction from the handle 3 to the slide rail 2; the lowermost end of the inclined through-hole extends forwardly with a horizontal through-hole section 44.

In this embodiment, the handle 3 is a U-shaped handle, the pulley shaft 31 and the pulley 32 are disposed on two sides of an inner wall of the U-shaped handle, and the left side plate 41 and the right side plate 42 are disposed on two sides of the inner wall of the U-shaped handle respectively through the cooperation of the inclined slide rail 43 and the pulley 32.

As a better embodiment, the handle further comprises a fixing frame 7, fixed rails 1 are respectively fixed on two sides of the inner wall of the fixing frame 7, a front sliding rail 2 and a rear sliding rail 2 are respectively arranged on two sides of each fixed rail 1, and each sliding rail 2 is respectively fixed on two sides of the outer wall of the U-shaped handle.

As a better embodiment, the device further comprises an elastic part 8, and two ends of the elastic part 8 are respectively abutted against the handle 3 and the lifting component 4; the elastic part 8 is a cylindrical spring, the bottom end of the spring is propped against the handle 3, and the top end of the spring is propped against the bottom of the lifting component 4.

In this embodiment, the inner side wall of the lifting component 4 extends out of a limiting shaft 45, a limiting wheel is mounted on the limiting shaft 45, the limiting wheel forms the touch part 6, and an L-shaped limiting groove 51 for allowing the limiting wheel to enter and limiting the limiting wheel to slide upwards is formed in the limiting frame 5.

As shown in fig. 5 and 6, a table with the length and height adjustable device of the present invention further comprises a supporting base 9 and a table plate 10, wherein the fixed frame 7 is fixed on the upper surface of the supporting base 9 together with the fixed rail 1 and the sliding rail 2 on the fixed frame 7, and the table plate 10 is placed on the fixed frame 7 and the lifting assembly 4.

Claims

1. The utility model provides a length and height-adjustable device of desk, includes fixed rail (1) and sliding rail (2), sliding rail (2) set up on fixed rail (1) with the mode of can slideing, characterized by still including handle (3), lifting unit (4) and spacing (5), sliding rail (2) are connected in handle (3), lifting unit (4) set up on handle (3) with liftable mode, spacing (5) are located lifting unit (4) other, and lifting unit (4) are provided with touching portion (6) towards spacing (5) direction, lifting unit (4) rise when setting for the position, touching portion (6) offset with spacing (5).

2. The device for adjusting the length and height of a table according to claim 1, wherein the lifting assembly (4) comprises a left side plate (41) and a right side plate (42), the left side plate (41) and the right side plate (42) are respectively provided with an inclined slide rail (43), the handle (3) is provided with a pulley shaft (31) corresponding to the inclined slide rail (43), the pulley shaft (31) is provided with a pulley (32), and the pulley (32) is arranged on the inclined slide rail (43).

3. A length and height adjustable device of table as claimed in claim 2, wherein the inclined slide rail (43) is an inclined through hole extending from the lower part to the upper part in the direction of the slide rail (2) from the handle (3).

4. A length and height adjustable device as claimed in claim 3, characterised in that the lowermost end of the inclined through-hole extends forwardly with a horizontal through-hole section (44).

5. A length and height adjustable device of a table as claimed in any one of claims 2 to 4, wherein the handle (3) is a U-shaped handle, the pulley shaft (31) and the pulley (32) are arranged on both sides of the inner wall of the U-shaped handle, and the left side plate (41) and the right side plate (42) are respectively arranged on both sides of the inner wall of the U-shaped handle through the cooperation of the inclined slide rail (43) and the pulley (32).

6. The device for adjusting the length and height of the table as claimed in claim 5, further comprising a fixing frame (7), wherein the fixing rails (1) are respectively fixed on two sides of the inner wall of the fixing frame (7), two sliding rails (2) are respectively arranged on two sides of each fixing rail (1), and each sliding rail (2) is respectively fixed on two sides of the outer wall of the U-shaped handle.

7. A length and height adjustable device of a table as claimed in claim 6, wherein two limit brackets (5) are fixed on the fixed frame (7) between the two fixed rails (1), and two ends of each limit bracket (5) extend to approach the lifting assembly (4).

8. A length and height adjustable device of a table as claimed in any one of claims 1 to 4 further comprising a resilient member (8), wherein both ends of the resilient member (8) are respectively urged against the handle (3) and the lifting assembly (4).

9. A length and height adjustment device for tables according to claim 8, characterized in that the elastic element (8) is a cylindrical spring, the bottom end of which is against the handle (3) and the top end of which is against the bottom of the lifting assembly (4).

10. A length and height adjustable device of a table as claimed in any one of claims 1 to 4, wherein a limiting shaft (45) extends from the inner side wall of the lifting assembly (4), a limiting wheel is mounted on the limiting shaft (45) and forms the touch part (6), and an L-shaped limiting groove (51) for allowing the limiting wheel to enter and limiting the limiting wheel to slide upwards is formed in the limiting frame (5).