CN209769470U

CN209769470U - Lifting table

Info

Publication number: CN209769470U
Application number: CN201920177949.7U
Authority: CN
Inventors: 汪家灏
Original assignee: Hangzhou Guoding Medical Dressing Co Ltd
Current assignee: Hangzhou Guoding Medical Dressing Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2019-12-13
Anticipated expiration: 2029-01-31

Abstract

The utility model belongs to the technical field of the desk technique and specifically relates to a lifting table. The utility model provides an over-and-under type desk, includes the table, the bottom of table be provided with the drawer, the both sides of table bottom all be provided with the fall way, the bottom sliding connection of fall way have fixed pipe, the bottom of fixed pipe all be provided with the bracing piece, fall way and fixed pipe between be provided with elevating gear. The utility model is simple in operation, adjust desktop height labour saving and time saving.

Description

Lifting table

Technical Field

The utility model belongs to the technical field of the desk technique and specifically relates to a lifting table.

Background

as is well known, in daily life, a table is indispensable furniture and is used by people all the time. The tables in the prior art can be divided into a liftable table and a non-liftable table according to whether the tables can be lifted or not. In the existing lifting type table, when the height of the table is required to be lifted, two or more persons are required to operate the table. When in operation, the height of the table top is adjusted and the balance of the table top is kept, and the control parts of the table are controlled at the same time, so that the operation is very troublesome, and time and labor are wasted when the height is adjusted.

For example, Chinese patent publication numbers are: CN206354681U, a liftable table announced in 2017, 7, 28, the table comprises a base, a table top support and one or more lifting table legs connected between the base and the table top support and including a motor, wherein the lifting table legs comprise an outer tube and a lifting inner tube sleeved inside and outside the outer tube and capable of moving up and down relatively; the bottom of the outer pipe is fixed on the base, and the top of the liftable inner pipe is fixed below the desktop support; the liftable inner pipe is provided with a transmission screw rod and a bearing seat, and one end of the transmission screw rod is fixed on the liftable inner pipe through the bearing seat; the outer tube is provided with a nut which is matched with the transmission screw rod to rotate; the top end of the transmission screw is provided with a bevel gear, the desktop support is provided with a motor and a hexagonal shaft, and the hexagonal shaft is provided with a conical gear which corresponds to the bevel gear and is meshed with the bevel gear; the utility model discloses a desk although can drive the hexagonal axle through only a motor, the hexagonal axle drives at least one liftable table leg again and rises or descend, but the operation is very troublesome, wastes time and energy when adjusting the desktop height.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at the above problems and provides an elevating table which is simple in operation and can adjust the height of the table top with time and labor saving.

The purpose of the utility model is mainly realized by the following scheme: a lifting table comprises a table plate, a drawer is arranged at the bottom of the table plate, lifting pipes are arranged on two sides of the bottom of the table plate, a fixed pipe is connected to the bottom of each lifting pipe in a sliding mode, supporting rods are arranged at the bottom of the fixed pipe, a lifting device is arranged between each lifting pipe and the corresponding fixed pipe and comprises a limiting rod connected with the lifting pipes and a sliding rod connected with the fixed pipe, a sliding groove is formed in each limiting rod, the sliding rods are connected in the sliding grooves in a sliding mode, clamping tooth belts located on two side faces of each sliding groove are arranged on each limiting rod and comprise a plurality of clamping teeth evenly arranged along the length direction of the limiting rod, a limiting cavity is formed in one end, close to the limiting rod, of each sliding rod, a turnover limiting block is arranged in each limiting cavity, and a turnover lug is arranged at one end, far away from the limiting rod, of each limiting cavity, one end of the turning limiting block close to the turning convex block is provided with a turning groove matched with the turning convex block, one end of the turning limiting block, which is far away from the turning groove, is provided with a limiting column, one side of the sliding rod is provided with a limiting frame body positioned in the sliding groove, one end of the limiting frame body close to the latch is provided with a limiting lug matched with the limiting column, the limiting lug divides the inside of the limiting frame body into two parts, wherein one side close to the latch is a fixed area matched with the latch, one side far away from the latch is a sliding area, one side of the overturning limiting block close to the sliding area is provided with a limiting spring, one end of the limiting spring far away from the overturning limiting block is connected to the side wall of the limiting cavity, the two sides of the latch belt are provided with linear grooves matched with the limiting columns, and one end of the sliding rod, which is close to the limiting rod, is provided with a limiting bent plate matched with the limiting frame body. The bottom of the table plate is provided with a drawer for placing sundries, lifting pipes are arranged on two sides of the bottom of the table plate, the bottom of each lifting pipe is connected with a fixed pipe in a sliding manner, supporting rods are arranged at the bottom of the fixed pipes and are abutted against the ground to support the whole table, a lifting device is arranged between each lifting pipe and the fixed pipe and can adjust the height of the table through the lifting device, each lifting device comprises a limiting rod connected with the lifting pipes and a sliding rod connected with the fixed pipes, a sliding groove is formed in each limiting rod, the sliding rods are connected in the sliding grooves in a sliding manner, clamping tooth belts positioned on two side faces of each sliding groove are arranged on each limiting rod and comprise a plurality of clamping teeth uniformly arranged along the length direction of the limiting rod, a limiting cavity is formed at one end, close to the limiting rod, an overturning limiting block is arranged in each limiting cavity, and an overturning, one end of the overturning limiting block close to the overturning lug is provided with an overturning groove matched with the overturning lug, one end of the overturning limiting block far away from the overturning groove is provided with a limiting column, one side of the sliding rod is provided with a limiting frame body positioned in the sliding groove, the limiting frame body, the sliding rod and the sliding groove are connected in a sliding manner, the friction force of the side wall of the sliding groove to the limiting frame body is greater than the friction force of the sliding rod to the limiting frame body, one end of the limiting frame body close to the latch is provided with a limiting lug matched with the limiting column, the limiting lug divides the limiting frame body into two parts, one side close to the latch is a fixed area matched with the latch, one side far away from the latch is a sliding area, one side of the overturning limiting block close to the sliding area is provided with a limiting spring, one end of the limiting spring far away from the overturning limiting block is connected to the, one end of the sliding rod, which is close to the limiting rod, is provided with a limiting bent plate matched with the limiting frame body, the desk is initially in an initial state, the limiting column is positioned in a linear groove above the limiting rod at the moment, the limiting column is also positioned in a sliding area on the limiting frame body, the desk plate is positioned at the lowest position and is convenient to carry, when the height of the desk is to be adjusted, the desk plate is moved upwards, so that the desk plate drives the limiting rod to move upwards through the lifting pipe, the limiting frame body can simultaneously move upwards for a certain distance under the action of friction force of the side wall of the sliding groove, the limiting column can be separated from the sliding area, the limiting frame can be limited by the limiting bent plate so as not to move upwards along with the limiting rod along with the continuous upward movement of the limiting rod, the limiting column can be separated from the linear groove at the moment, so that under the action of elastic force of the limiting spring, the limiting columns simultaneously enter the fixing areas on the limiting frame body, when the limiting columns are located in the grooves between the two clamping teeth, the clamping teeth limit the upward movement of the limiting columns, so that the table plate cannot move downwards, and the table plate can be adjusted to a proper height by continuously moving the table plate upwards to clamp the limiting columns between the two clamping teeth; when the height of table will be readjusted, will pull up the height of table the highest earlier, spacing post is located the straight line inslot of gag lever post below this moment, then the table moves down, make spacing post be located inside the sliding region in the spacing framework, because the limiting displacement of spacing framework to spacing post, make spacing spring can't make the upset stopper rotate, spacing post just also can not be blocked between the latch when removing, then directly push down the table, can reset whole desk initial condition, the height of table can be readjusted in repeated above-mentioned operation.

Preferably, the supporting pads are arranged on two sides of the supporting rod. The both sides of bracing piece all are provided with the supporting pad, and the supporting pad can increase and ground between frictional force, prevent the desk from the optional shift position.

Preferably, a dustproof plug is arranged between the lifting pipe and the fixed pipe. Be provided with dustproof stopper between elevator pipe and the fixed pipe, stability when setting up of dustproof stopper can improve elevator pipe and fixed pipe relative movement to can prevent that the dust from getting into, improve the life of desk.

Preferably, an iron frame is arranged between the two fixed pipes. An iron frame is arranged between the two fixed pipes and can be used for placing sundries.

Preferably, the lifting pipe is connected with the limiting rod through a first bolt, and the fixed pipe is connected with the sliding rod through a second bolt. Through first bolted connection between elevator pipe and the gag lever post, through second bolted connection between fixed pipe and the slide bar, it is firm to connect, and it is convenient to dismantle.

Therefore, the utility model discloses a lifting table possesses following advantage: the utility model discloses simple structure, the simple operation, elevating gear's setting makes labour saving and time saving when adjusting the desktop height.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is the cross-sectional view of the utility model discloses well fall pipe when being connected with fixed union coupling.

Fig. 3 is a front view of the lifting device of the present invention.

Fig. 4 is a schematic structural diagram of the lifting device of the present invention.

Fig. 5 is a cross-sectional view at a in fig. 3.

Fig. 6 is a cross-sectional view of fig. 5 with the spacing frame removed.

Fig. 7 is a schematic structural diagram of a spacing frame body.

Illustration of the drawings: 1-iron frame, 2-table, 3-drawer, 4-lifting tube, 5-fixed tube, 6-supporting pad, 7-supporting rod, 8-first bolt, 9-sliding rod, 10-dustproof plug, 11-second bolt, 12-limiting rod, 13-linear groove, 14-sliding groove, 15-latch belt, 16-limiting lug, 17-limiting cavity, 18-turning limiting block, 19-turning lug, 20-limiting frame body, 21-limiting column, 22-limiting spring, 23-turning groove, 24-fixed area, 25-sliding area and 26-limiting bent plate.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1:

As shown in fig. 1 and 2, a lifting table comprises a table plate 2, a drawer 3 is arranged at the bottom of the table plate 2, the drawer 3 is used for placing sundries, lifting pipes 4 are arranged on both sides of the bottom of the table plate 2, a fixed pipe 5 is slidably connected to the bottom of the lifting pipe 4, a support rod 7 is arranged at the bottom of the fixed pipe 5, the support rod 7 supports the whole table against the ground, support pads 6 are arranged on both sides of the support rod 7, the support pads 6 can increase the friction force between the support rod and the ground to prevent the table from moving randomly, a lifting device is arranged between the lifting pipe 4 and the fixed pipe 5, the height of the table can be adjusted through the lifting device, as shown in fig. 3, 4, 5, 6 and 7, the lifting device comprises a limiting rod 12 connected with the lifting pipe 4 and a sliding rod 9 connected with the fixed pipe 5, a sliding groove 14 is arranged in the limiting rod 12, the sliding rod 9 is, the limiting rod 12 is provided with a latch belt 15 positioned on two side surfaces of the sliding groove 14, the latch belt 15 comprises a plurality of latches uniformly arranged along the length direction of the limiting rod 12, one end of the sliding rod 9 close to the limiting rod 12 is provided with a limiting cavity 17, the limiting cavity 17 is internally provided with a turning limiting block 18, one end of the limiting cavity 17 far away from the limiting rod 12 is provided with a turning convex block 19, one end of the turning limiting block 18 close to the turning convex block 19 is provided with a turning groove 23 matched with the turning convex block 19, one end of the turning limiting block 18 far away from the turning groove 23 is provided with a limiting column 21, one side of the sliding rod 9 is provided with a limiting frame body 20 positioned in the sliding groove 14, the limiting frame body 20 is in sliding connection with the sliding rod 9 and the sliding groove 14, the friction force of the side wall of the sliding groove 14 to the limiting frame body 20 is greater than the friction force of the sliding rod 9 to, the limiting bump 16 divides the interior of the limiting frame 20 into two parts, wherein one side close to the latch is a fixed area 24 matched with the latch, one side far away from the latch is a sliding area 25, one side close to the sliding area 25 of the overturning limiting block 18 is provided with a limiting spring 22, one end of the limiting spring 22 far away from the overturning limiting block 18 is connected to the side wall of the limiting cavity 17, two sides of the latch belt 15 are both provided with linear grooves 13 matched with limiting columns 21, one end of the sliding rod 9 close to the limiting rod 12 is provided with a limiting bent plate 26 matched with the limiting frame 20, the table is initially in an initial state, the limiting columns 21 are positioned in the linear grooves 13 above the limiting rods 12, the limiting columns 21 are also positioned in the sliding area 25 on the limiting frame 20, the table 2 is at the lowest position for convenient transportation, when the height of the table is to be adjusted, the table 2 is moved upwards, so that the table 2 drives the limiting rods 12 to move upwards through the lifting pipe 4, at this time, the limiting frame 20 will move upward for a certain distance under the action of the friction force of the side wall of the chute 14, so that the position-limiting post 21 will be separated from the sliding area 25, and as the position-limiting rod 12 continues to move upwards, the position-limiting frame 20 will be limited by the position-limiting bent plate 26 and will not move upwards along with the position-limiting rod 12, and at this time, the position-limiting post 21 will be separated from the linear groove 13, therefore, under the action of the elastic force of the limiting spring 22, the overturning limiting block 18 rotates along the overturning lug 19 so that the limiting column 21 enters the groove between the two latches, the limiting column 21 simultaneously enters the fixing area 24 on the limiting frame body 20, when the limiting column 21 is positioned in the groove between the two latches, the clamping teeth limit the upward movement of the limiting column 21, so that the table plate 2 cannot move downwards, and the table plate 2 is continuously moved upwards to clamp the limiting column 21 between two proper clamping teeth, so that the table plate 2 can be adjusted to a proper height; when will readjust the height of table 2, will be the highest with highly drawing up of table 2, spacing post 21 is located the straight line groove 13 of gag lever post 12 below this moment, then move table 2 downwards, make spacing post 21 be located inside the slip region 25 on spacing framework 20, because spacing framework 20 is to the limiting displacement of spacing post 21, make spacing spring 22 unable make upset stopper 18 rotate, spacing post 21 just also can not be blocked between the latch when removing, then directly push down table 2, can reset whole desk to initial condition, the height of table 2 can be readjusted in the above-mentioned operation of repetition.

Be provided with dustproof stopper 10 between elevator pipe 4 and the fixed pipe 5, stability when elevator pipe 4 and the fixed pipe 5 relative movement can be improved in the setting of dustproof stopper 10 to can prevent that the dust from getting into, improve the life of desk.

An iron frame 1 is arranged between the two fixed pipes 5, and the iron frame 1 can be used for placing sundries.

The lifting pipe 4 is connected with the limiting rod 12 through the first bolt 8, the fixed pipe 5 is connected with the sliding rod 9 through the second bolt 11, the connection is stable, and the disassembly is convenient.

It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims

1. A lifting table is characterized by comprising a table plate, a drawer is arranged at the bottom of the table plate, lifting pipes are arranged on two sides of the bottom of the table plate, a fixed pipe is connected to the bottom of each lifting pipe in a sliding manner, supporting rods are arranged at the bottom of the fixed pipe, a lifting device is arranged between each lifting pipe and the corresponding fixed pipe and comprises a limiting rod connected with each lifting pipe and a sliding rod connected with the fixed pipe, a sliding groove is formed in each limiting rod, each sliding rod is connected in the corresponding sliding groove in a sliding manner, clamping tooth belts positioned on two side faces of each sliding groove are arranged on each limiting rod and comprise a plurality of clamping teeth uniformly arranged along the length direction of each limiting rod, a limiting cavity is formed in one end, close to the corresponding limiting rod, of each sliding rod, a turnover limiting block is arranged in each limiting cavity, and a turnover lug is arranged at one end, far away from the corresponding limiting rod, of each limiting cavity, one end of the turning limiting block close to the turning convex block is provided with a turning groove matched with the turning convex block, one end of the turning limiting block, which is far away from the turning groove, is provided with a limiting column, one side of the sliding rod is provided with a limiting frame body positioned in the sliding groove, one end of the limiting frame body close to the latch is provided with a limiting lug matched with the limiting column, the limiting lug divides the inside of the limiting frame body into two parts, wherein one side close to the latch is a fixed area matched with the latch, one side far away from the latch is a sliding area, one side of the overturning limiting block close to the sliding area is provided with a limiting spring, one end of the limiting spring far away from the overturning limiting block is connected to the side wall of the limiting cavity, the two sides of the latch belt are provided with linear grooves matched with the limiting columns, and one end of the sliding rod, which is close to the limiting rod, is provided with a limiting bent plate matched with the limiting frame body.

2. The elevating table as claimed in claim 1, wherein the support bars are provided with support pads on both sides.

3. The elevating table as claimed in claim 1, wherein a dust plug is provided between the elevating tube and the fixed tube.

4. The elevating table as claimed in claim 1, 2 or 3, wherein an iron frame is provided between the two fixed pipes.

5. The elevating table as claimed in claim 1, 2 or 3, wherein the elevating tube is connected to the limit rod by a first bolt, and the fixed tube is connected to the sliding rod by a second bolt.