CN212139789U - Adjustable experiment table - Google Patents

Abstract

The utility model discloses an adjustable experiment table, the desk comprises a desk body, the table body is including the upper table body and the lower table body, the upper table body is including the desktop, the upper table body can dismantle the link with the lower table body, the table body has the bracing piece, the bracing piece runs through down the table body and is equipped with supporting platform, bracing piece and lower table body sliding connection, the last elevating system that is equipped with of supporting platform, elevating system includes first gear and is used for driving the motor that first gear is just reversing, first gear deviates from the first pivot pole of fixedly connected with on the side of motor, elevating system still includes head rod and first drive belt, head rod fixed connection is on the medial surface relative with first pivot pole at the lower table body, first conveyer belt one end and first pivot pole fixed connection, the first conveyer belt other end and head rod fixed connection. The height that the experiment table goes up and down can be controlled by controlling the rotation time of the driving device, and the height of the experiment table can be accurately adjusted.

Description

Adjustable experiment table

Technical Field

The utility model belongs to the technical field of the experiment table technique and specifically relates to an adjustable experiment table is related to.

Background

The experiment table is used for providing a table top in experiments and is commonly used for carrying out experiments. In a special classroom of university, teaching experiment tables are applied to various subjects, and the shapes and functions of the teaching experiment tables are greatly different according to the subjects. The current teaching experiment table can not adjust the height mostly, just so leads to the teachers and students of co-altitude not when carrying out the teaching of experiment, and the operation is inconvenient, influences going on of experiment, has reduced the effect of teaching experiment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable experiment table that highly can be nimble and accurate regulation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an adjustable experiment table comprises a table body, wherein the table body comprises an upper table body and a lower table body, the upper table body comprises a table top, the upper table body and the lower table body are detachably connected, a base is arranged under the table body, a supporting rod is arranged at the center of the base, one end of the supporting rod is fixedly connected with the base, the other end of the supporting rod penetrates through the lower table body and is provided with a supporting platform, the supporting rod is slidably connected with the lower table body, a lifting assembly is arranged on the supporting platform and comprises a first gear, a second gear meshed with the first gear, a fixing block used for supporting the second gear and a driving device used for driving the first gear to rotate forward and backward, the first gear deviates from a first rotating rod fixedly connected to the side face of the driving device, a bearing is arranged in the fixing block, the outer ring of the bearing is fixedly connected with the fixing block, the inner circle one end of bearing with second gear fixed connection, the inner circle other end fixedly connected with second dwang of bearing, lifting unit still includes head rod, second connecting rod, driving belt and second drive belt, head rod fixed connection be in down on the internal side that the table body is relative with first dwang, second connecting rod fixed connection be in down on the internal side that the table body is relative with the second dwang, driving belt one end with driving belt fixed connection, the driving belt other end with head rod fixed connection, second driving belt one end with second dwang fixed connection, the second driving belt other end with second connecting rod fixed connection.

When the height of the experiment table is too low, the driving device rotates to drive the first gear to rotate, the first transmission belt winds the first rotating rod along with the rotation of the first gear, and the length of the first transmission belt tightened between the first fixing rod and the first rotating rod is shortened; simultaneously, the rotation of the first gear drives the second gear to rotate in the direction opposite to the rotation direction of the first gear, the second transmission belt is wound on the second rotating rod along with the rotation of the second gear, and the length of the second transmission belt tightened between the second fixed rod and the second rotating rod is shortened. Along with the synchronous shortening of the tightening parts of the first transmission belt and the second transmission belt, the overall height of the table body is increased. When the experiment table is too high, the driving device rotates reversely to finally realize synchronous extension of the tightening parts of the first transmission belt and the second transmission belt, and the overall height of the table body is reduced.

Preferably, the side edges of the lower table body facing the base are uniformly provided with telescopic rods, one end of each telescopic rod is fixedly connected with the base, and the other end of each telescopic rod is fixedly connected with the lower table body. The telescopic rod can improve the lifting stability of the table body.

Preferably, the support rod is connected with the lower table body in a sliding mode through a sliding rail. The stability that the table body goes up and down can be stabilized down in the setting of slide rail.

Preferably, the upper table body and the lower table body are clamped. The upper table body and the lower table body can be quickly detached, and the lifting component is convenient to maintain and clean.

Preferably, the side of the base, which is far away from the supporting rod, is provided with anti-skid grains. The setting of antiskid line can be placed the utility model discloses the device produces in the experimentation and slides.

Preferably, the side surface of the lower table body facing the telescopic rod is provided with a dust exhaust hole. The arrangement of the dust exhaust hole can facilitate the discharge of dust accumulated in the lower table body.

Preferably, the number of the telescopic rods is four, and the four telescopic rods are respectively arranged at four corners of the lower table body.

Preferably, the driving device is a motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the two opposite sides of the lower table body can be lifted at the same time only by arranging one driving device, so that the stable lifting of the table body is realized.

2. The height that the experiment table goes up and down can be controlled by controlling the rotation time of the driving device, and the height of the experiment table can be accurately adjusted.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is an axial view half-section view of the utility model.

The reference numerals are explained below: 1. a table body; 11. an upper table body; 12. a lower table body; 3. a telescopic rod; 4. a base; 5. a lifting device; 51. a motor; 52. a first gear; 53. a first drive belt; 54. a first connecting rod; 55. a second gear; 56. a fixed block; 57. a second belt; 58. a second connecting rod; 6. a support platform; 7. a support rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1:

as shown in fig. 1-2, an adjustable experiment table comprises a table body 1, the table body 1 comprises an upper table body 11 and a lower table body 12, the upper table body 11 comprises a table top, the upper table body 11 is detachably connected with the lower table body 12, a base 4 is arranged below the table body 1, a support rod 7 is arranged at the center of the base 4, one end of the support rod 7 is fixedly connected with the base 4, the other end of the support rod 7 penetrates through the lower table body 12 and is provided with a support platform 6, the support rod 7 is slidably connected with the lower table body 12, a lifting assembly is arranged on the support platform 6, the lifting assembly comprises a first gear 52, a second gear 55 meshed with the first gear 52, a fixed block 56 used for supporting the second gear 55 and a motor 51 used for driving the first gear 52 to rotate forward and backward, a first rotating rod is fixedly connected to the side of the first gear 52 opposite to the motor 51, a bearing is arranged in the fixed block 56, the outer, inner circle one end and the second gear 55 fixed connection of bearing, the inner circle other end fixedly connected with second dwang of bearing, lifting unit still includes head rod 54, second connecting rod 58, first drive belt and second drive belt, head rod 54 fixed connection is on the relative medial surface of table body 12 and first dwang down, second connecting rod 58 fixed connection is on the relative medial surface of table body 12 and second dwang down, first drive belt 53 one end and first dwang fixed connection, the first drive belt 53 other end and head rod 54 fixed connection, second drive belt 57 one end and second dwang fixed connection, the second drive belt 57 other end and second connecting rod 58 fixed connection.

The side edge equipartition of the lower table body 12 towards base 4 has telescopic link 3, and telescopic link 3 is equipped with four, and four corners department of the lower table body 12 is located respectively to four telescopic links 3. One end of the telescopic rod 3 is fixedly connected with the base 4, and the other end of the telescopic rod 3 is fixedly connected with the lower table body 12. The telescopic rod 3 can improve the lifting stability of the table body 1.

The support rod 7 is connected with the lower table body 12 in a sliding way through a slide rail. The stability that the table body 12 goes up and down can be stabilized down in the setting of slide rail. The side of the base 4 departing from the support rod 7 is provided with anti-skid lines. The side of the lower table body 12 facing the telescopic rod 3 is provided with a dust exhaust hole. The arrangement of the dust exhaust hole can facilitate the exhaust of the dust accumulated in the lower table body 12.

The working principle is as follows: when the height of the experiment table is too low, the driving device rotates to drive the first gear 52 to rotate, the first transmission belt 53 winds the first rotating rod along with the rotation of the first gear 52, and the length of the first transmission belt 53 tightened between the first fixing rod and the first rotating rod is shortened; meanwhile, the rotation of the first gear 52 drives the second gear 55 to rotate in the direction opposite to the rotation direction of the first gear 52, the second transmission belt 57 winds along with the rotation of the second gear 55 onto the second rotating rod, and the length of the second transmission belt 57 tightened between the second fixing rod and the second rotating rod is shortened. With the simultaneous shortening of the tightening portions of the first and second belts 53 and 57, the overall height of the table body 1 rises. When the height of the experiment table is too high, the driving device reversely rotates to finally realize synchronous extension of the tightening parts of the first transmission belt 53 and the second transmission belt 57, and the whole height of the table body 1 is reduced.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (8)

1. The utility model provides an adjustable experiment table, includes the table body (1), its characterized in that, the table body (1) includes the upper table body (11) and the lower table body (12), the upper table body (11) includes the desktop, the upper table body (11) with the link can be dismantled down to the lower table body (12), the table body (1) has base (4), base (4) center department is equipped with bracing piece (7), bracing piece (7) one end and base (4) fixed connection, the other end of bracing piece (7) runs through the lower table body (12) is equipped with supporting platform (6), bracing piece (7) and lower table body (12) sliding connection, be equipped with lifting unit on supporting platform (6), lifting unit include first gear (52), with second gear (55) of first gear (52) meshing, be used for supporting fixed block (56) of second gear (55) and be used for driving first gear (52) are just reversing drive arrangement, first gear (52) deviates from first pivot pole of fixedly connected with on drive arrangement's the side, be equipped with the bearing in fixed block (56), the outer lane of bearing with fixed block (56) fixed connection, the inner circle one end of bearing with second gear (55) fixed connection, the inner circle other end fixed connection of bearing has the second dwang, lifting unit still includes head rod (54), second connecting rod (58), first drive belt and second drive belt, head rod (54) fixed connection be in down table body (12) and the relative medial surface of first dwang, second connecting rod (58) fixed connection be in down table body (12) and the relative medial surface of second dwang, first drive belt (53) one end with first dwang fixed connection, first drive belt (53) other end with head rod (54) fixed connection, one end of the second transmission belt (57) is fixedly connected with the second rotating rod, and the other end of the second transmission belt (57) is fixedly connected with the second connecting rod (58).

2. An adjustable experiment table as claimed in claim 1, wherein the side edges of the lower table body (12) facing the base (4) are uniformly provided with telescopic rods (3), one end of each telescopic rod (3) is fixedly connected with the base (4), and the other end of each telescopic rod (3) is fixedly connected with the lower table body (12).

3. An adjustable laboratory table according to claim 1, characterized in that the support bar (7) is slidably connected to the lower table body (12) by means of a sliding rail.

4. An adjustable laboratory table according to claim 1, characterized in that the upper table body (11) and the lower table body (12) are clamped.

5. An adjustable laboratory table according to claim 1, characterized in that the side of the base (4) facing away from the support bar (7) is provided with anti-slip threads.

6. An adjustable laboratory table according to claim 1, characterized in that the side of the lower table body (12) facing the extension bar (3) is provided with dust exhaust holes.

7. An adjustable laboratory table according to claim 2, characterized in that said telescopic rods (3) are provided with four, and four telescopic rods (3) are respectively provided at four corners of said lower table body (12).

8. An adjustable laboratory table according to claim 1, characterized in that the drive means is an electric motor (51).

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