阅读说明：本技术 一种用于试验箱的双丝杆升降装置 (Double-screw lifting device for test box ) 是由 张从举 于 2020-06-12 设计创作，主要内容包括：本发明属于实验器材领域,尤其是一种试验箱用的双丝杆升降装置,针对现有的存在不能实现方便升降置物板问题,现提出如下方案,其包括箱体,所述箱体两侧内壁上均安装有滑轨,滑轨上滑动安装有第一滑块,所述第一滑块上固定安装有滑板,任意一个滑板的顶侧沿竖直方向开设有线孔,两个滑板相互靠近的一侧上均滑动安装有第二滑块,两个第二滑块之间固定安装有同一个置物板,所述置物板底部固定安装有两个丝杆,所述丝杆底部螺纹套接有丝杆导套,本发明可以在打开试验箱盖板的同时通过绳子带动整体结构,从而调整内部置物板的高度,且也可以限制其高度,在拿取或存放实验器材过程中,给实验人员拿取器材或者放置器材节省了不少时间。(The invention belongs to the field of experimental equipment, in particular to a double-screw lifting device for a test box, aiming at the problem that the conventional object placing plate can not be conveniently lifted, the invention provides a scheme which comprises a box body, wherein slide rails are arranged on the inner walls of two sides of the box body, a first slide block is arranged on each slide rail in a sliding way, a slide plate is fixedly arranged on each first slide block, a wire hole is arranged on the top side of any slide plate along the vertical direction, a second slide block is arranged on one side, close to each other, of each slide plate in a sliding way, the same object placing plate is fixedly arranged between the two second slide blocks, two screw rods are fixedly arranged at the bottom of each object placing plate, and a screw rod guide sleeve is sleeved at the bottom of each screw rod through threads, the time is saved for experimenters to take or place the equipment.)

1. The utility model provides a double lead screw elevating gear that proof box was used, includes box (7), its characterized in that, all install slide rail (16) on the inner wall of box (7) both sides, slidable mounting has first slider (17) on slide rail (16), fixed mounting has slide (20) on first slider (17), and line hole (19) have been seted up along vertical direction in the top side of arbitrary slide (20), and equal slidable mounting has second slider (18) on the one side that two slides (20) are close to each other, and fixed mounting has same thing board (8) of putting between two second sliders (18), it has two lead screws (9) to put thing board (8) bottom fixed mounting, lead screw (9) bottom screw cover has lead screw guide pin bushing (13) in the thread cover, the fixed cover that has connect on lead screw guide pin bushing (13) has worm wheel (11), and the meshing has same worm (10) on two worm wheel (11), worm (10) set up along the horizontal direction, and the both ends of worm (10) rotate respectively and install on the both sides inner wall of box (7), seted up two rotation groove (15) on box (7) bottom inner wall, two lead screw guide pin bushings (13) rotate respectively and install in two rotation groove (15), worm (10) are close to the fixed cover of slide (20) one end of seting up line hole (19) and have connect line wheel (22), line wheel (22) all around the annular has seted up wire casing (21), has cup jointed the torsional spring on worm (10), and the one end fixed mounting of torsional spring is on box (7) inner wall, the other end and line wheel (22) fixed connection.

2. The double-screw lifting device for the test box according to claim 1, wherein the top of the box body (7) is provided with an opening, a cover plate (3) is rotatably installed at the opening of the top of the box body (7), one side, close to the opening of the top of the box body (7), of the cover plate (3) is provided with limiting grooves (2) at equal intervals, a first fixing block (4) and a second fixing block (1) are fixedly installed at two ends of one side, close to the opening of the top of the box body (7), of the cover plate (3), the second fixing block (1) is located above the first fixing block (4), and a through hole is formed in the first fixing block (4).

3. The double-screw lifting device for the test chamber as claimed in claim 1, wherein a limiting rod (12) is rotatably mounted at the top of the box body (7), the limiting rod (12) is matched with the limiting groove (2), and a pulley (14) fixedly mounted on the inner wall of the box body (7) is arranged above the sliding rail (16).

4. A twin screw lifting device for a test chamber as claimed in claim 2, characterised in that the lid (3) is pivotally connected to the housing (7) by a hinge (6).

5. The double-screw lifting device for the test box is characterized in that one side of the second fixing block (1) is connected with one end of a rope (5), and the other end of the rope (5) is fixedly connected with a wire wheel (22) sequentially through a through hole, a pulley (14) and a wire hole (19).

Technical Field

The invention relates to the technical field of experimental equipment, in particular to a double-screw lifting device for a test box.

Background

The test box can simulate a natural climate environment in an effective space range.

However, for the tester, the test box is opened and then the inside storage plate is required to take or store the experimental equipment, which wastes time and even wastes too long time to influence the inside environment of the test box.

Disclosure of Invention

The invention aims to solve the problem that the object placing plate cannot be conveniently lifted in the prior art, and provides a double-screw lifting device for a test box.

In order to achieve the purpose, the invention adopts the following technical scheme:

a double-screw lifting device for a test box comprises a box body, slide rails are arranged on the inner walls of two sides of the box body respectively, a first slide block is arranged on each slide rail in a sliding manner, slide plates are fixedly arranged on each first slide block, a wire hole is formed in the top side of any one slide plate along the vertical direction, a second slide block is arranged on one side, close to each other, of each slide plate in a sliding manner, a same object placing plate is fixedly arranged between the two second slide blocks, two screw rods are fixedly arranged at the bottom of the object placing plate, screw rod guide sleeves are sleeved on the bottom of each screw rod in a threaded manner, worm wheels are fixedly sleeved on the screw rod guide sleeves, the two worm wheels are meshed with the same worm, the worm is arranged along the horizontal direction, two ends of the worm are rotatably arranged on the inner walls of two sides of the box body respectively, two rotating grooves are formed in the inner wall of the bottom of the box body, the two screw rod guide sleeves are rotatably arranged in the two rotating grooves respectively, the worm is close to the fixed line wheel that has cup jointed of slide one end of seting up the line hole, the wire wheel has seted up the wire casing all around annularly, has cup jointed the torsional spring on the worm, and the one end fixed mounting of torsional spring is on the box inner wall, the other end and line wheel fixed connection.

Preferably, the top of the box body is provided with an opening, the cover plate is rotatably installed at the opening of the top of the box body, one side, close to the opening of the top of the box body, of the cover plate is provided with limit grooves at equal intervals, the two ends, close to the opening of the top of the box body, of the cover plate are fixedly provided with a first fixing block and a second fixing block, the second fixing block is located above the first fixing block, and the first fixing block is provided with a through hole.

Preferably, the top of box rotates installs the gag lever post, gag lever post and spacing groove (2) looks adaptation, and the top of slide rail is equipped with the pulley of fixed mounting on the box inner wall.

Preferably, the cover plate is rotatably connected with the box body through a hinge.

Preferably, one side of the second fixing block is connected with one end of the rope, and the other end of the rope is fixedly connected with the wire wheel sequentially through the through hole, the pulley and the wire hole.

According to the double-screw lifting device for the test box, the cover plate can be opened, the wire wheel can be driven to rotate through the rope, the worm is driven to rotate through the rotation of the wire wheel, the worm wheel is driven to rotate through the meshing of the worm and the worm wheel, the screw guide sleeve is driven to rotate through the worm wheel, the screw is driven to move up and down through the rotation of the screw guide sleeve, the object placing plate is driven to move up and down, and the limiting rod can be inserted into the limiting groove to limit the height of the whole object placing plate when the height of the object placing plate is required to be limited.

Drawings

Fig. 1 is a schematic structural diagram of a double-screw lifting device for a test chamber according to the present invention;

FIG. 2 is a schematic structural diagram of part A of a dual-screw lifting device for a test chamber according to the present invention;

in the figure: the device comprises a first fixing block 1, a second fixing block 2, a limiting groove 3, a first fixing block 4, a rope 5, a hinge 6, a box 7, an object placing plate 8, a lead screw 9, a worm 10, a worm wheel 11, a limiting rod 12, a lead screw guide sleeve 13, a pulley 14, a rotating groove 15, a sliding rail 16, a first sliding block 17, a second sliding block 18, a wire hole 19, a sliding plate 20, a wire groove 21 and a wire wheel 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-2, a double-screw lifting device for a test chamber comprises a box body 7, slide rails 16 are respectively arranged on the inner walls of two sides of the box body 7, a first slide block 17 is arranged on each slide rail 16 in a sliding manner, a slide plate 20 is fixedly arranged on each first slide block 17, a line hole 19 is arranged on the top side of any slide plate 20 along the vertical direction, a second slide block 18 is arranged on one side of each two slide plates 20 close to each other in a sliding manner, a same object placing plate 8 is fixedly arranged between the two second slide blocks 18, two screw rods 9 are fixedly arranged at the bottom of the object placing plate 8, a screw rod guide sleeve 13 is sleeved on the bottom of each screw rod 9 in a threaded manner, a worm wheel 11 is fixedly sleeved on each screw rod guide sleeve 13, the two worm wheels 11 are engaged with a same worm 10, the worm 10 is arranged along the horizontal direction, two ends of the worm 10 are respectively and rotatably arranged on the inner walls of two sides of the box body 7, two rotating grooves 15 are arranged on the inner wall of the bottom of the box body 7, the two screw rod guide sleeves 13 are respectively rotatably installed in the two rotating grooves 15, one end of the worm 10, which is close to the sliding plate 20 with the wire holes 19, is fixedly sleeved with the wire wheel 22, the wire groove 21 is annularly formed around the wire wheel 22, the worm 10 is sleeved with the torsion spring, one end of the torsion spring is fixedly installed on the inner wall of the box body 7, and the other end of the torsion spring is fixedly connected with the wire wheel 22.

According to the invention, the top of the box body 7 is provided with an opening, the opening at the top of the box body 7 is rotatably provided with the cover plate 3, one side of the cover plate 3 close to the opening at the top of the box body 7 is provided with the limiting grooves 2 at equal intervals, two ends of one side of the cover plate 3 close to the opening at the top of the box body 7 are fixedly provided with the first fixing block 4 and the second fixing block 1, the second fixing block 1 is positioned above the first fixing block 4, and the first fixing block 4 is provided with a through hole.

In the invention, a limiting rod 12 is rotatably arranged at the top of the box body 7, the limiting rod 12 is matched with the limiting groove 2, and a pulley 14 fixedly arranged on the inner wall of the box body 7 is arranged above the sliding rail 16.

In the invention, the cover plate 3 is rotatably connected with the box body 7 through a hinge 6.

In the invention, one side of the second fixed block 1 is connected with one end of the rope 5, and the other end of the rope 5 is fixedly connected with the wire wheel 22 sequentially through the through hole, the pulley 14 and the wire hole 19.

Example two

Referring to fig. 1-2, a double-screw lifting device for a test chamber comprises a box body 7, slide rails 16 are welded on the inner walls of two sides of the box body 7, a first slide block 17 is slidably mounted on each slide rail 16, a slide plate 20 is fixedly mounted on each first slide block 17, a wire hole 19 is formed in the top side of any slide plate 20 along the vertical direction, a second slide block 18 is slidably mounted on one side of each slide plate 20 close to each other, a same object placing plate 8 is fixedly mounted between the two second slide blocks 18, two screw rods 9 are fixedly welded at the bottom of the object placing plate 8, a screw rod guide sleeve 13 is sleeved at the bottom of each screw rod 9 in a threaded manner, a worm wheel 11 is fixedly sleeved on each screw rod guide sleeve 13, a same worm 10 is meshed on the two worm wheels 11, the worm 10 is horizontally arranged, two ends of each worm 10 are rotatably mounted on the inner walls of two sides of the box body 7 respectively, two rotating grooves 15 are formed in the inner walls of the bottom of the box body 7, the two screw rod guide sleeves 13 are respectively rotatably installed in the two rotating grooves 15, one end of the worm 10, which is close to the sliding plate 20 with the wire holes 19, is fixedly sleeved with the wire wheel 22, the wire groove 21 is annularly formed around the wire wheel 22, the worm 10 is sleeved with the torsion spring, one end of the torsion spring is fixedly installed on the inner wall of the box body 7, and the other end of the torsion spring is fixedly connected with the wire wheel 22.

According to the invention, the top of the box body 7 is provided with an opening, the opening at the top of the box body 7 is rotatably provided with the cover plate 3, one side of the cover plate 3 close to the opening at the top of the box body 7 is provided with the limiting grooves 2 at equal intervals, the two ends of one side of the cover plate 3 close to the opening at the top of the box body 7 are fixedly welded with the first fixing block 4 and the second fixing block 1, the second fixing block 1 is positioned above the first fixing block 4, and the first fixing block 4 is provided with a through hole.

In the invention, a limiting rod 12 is rotatably arranged at the top of the box body 7, the limiting rod 12 is matched with the limiting groove 2, and a pulley 14 fixedly arranged on the inner wall of the box body 7 through a screw is arranged above the sliding rail 16.

In the invention, the cover plate 3 is rotatably connected with the box body 7 through a hinge 6.

In the invention, one side of the second fixed block 1 is connected with one end of the rope 5, and the other end of the rope 5 is fixedly connected with the wire wheel 22 sequentially through the through hole, the pulley 14 and the wire hole 19.

According to the double-screw lifting device for the test box, the wire wheel 22 can be driven to rotate through the rope 5 when the cover plate 3 is opened, the worm 10 is driven to rotate through the rotation of the wire wheel 22, the worm wheel 11 is driven to rotate through the meshing of the worm 10 and the worm wheel 11, the screw guide sleeve 13 is driven to rotate through the worm wheel 11, the screw 9 is driven to move up and down through the rotation of the screw guide sleeve 13, and then the object placing plate 8 is driven to move up and down.

When the height of the storage plate is required to be limited, the limiting rod 12 can be inserted into the limiting groove 2 to limit the height of the whole storage plate 8.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.