CN211242208U

CN211242208U - Screen lifting structure for laboratory lifting table

Info

Publication number: CN211242208U
Application number: CN201921348087.6U
Authority: CN
Inventors: 李美英; 熊新新; 朱金辉
Original assignee: Guangdong Tianzhi Industry Co ltd
Current assignee: Guangdong Tianzhi Industry Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-08-14
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a screen elevation structure for laboratory lift table, including the desk body, a table, the sleeve pipe cavity, and the slip sets up the screen body in the sleeve pipe cavity, be equipped with the slip chamber in the sleeve pipe cavity, it link up from top to bottom to slip the chamber, the sleeve pipe cavity slides through slip chamber and screen body and cup joints, be equipped with the guide hole on the table, guide hole and screen body sliding connection, be equipped with through-hole and screw on the sleeve pipe cavity respectively, sliding connection has the spacer pin in the through-hole, screw female connection has the screw thread post, the screen body includes backplate and side shield, the handle has been installed to the one end of backplate, the quantity of side shield is two and uses the horizontal axis of screen body to set up the one end at the backplate as central longitudinal symmetry. The convenient lifting of the screen body is realized, the lifting height of the screen body can be adjusted according to the requirement, the convenient flexibility of the screen body in use is integrally improved, and the dryness of the panel of the screen body is improved.

Description

Screen lifting structure for laboratory lifting table

Technical Field

The utility model relates to a laboratory is with table technical field, specifically is a screen elevation structure for laboratory lift table.

Background

A plurality of experiment tables can be arranged in a laboratory for students to use, in order to prevent the students in the peripheral examinations and improve the invigilation of the experiment operation during the experiment operation examinations, a lifting type screen can be arranged on each experiment table for blocking the peeping sight of the students in the peripheral examinations and ensuring the examination quality, the screen is lifted during the examinations and is lowered when not used, however,

1. most of the existing screens are provided with accessories such as a motor, a coupling, a transmission threaded rod, a guide rod, a switch button and the like which are preset on table legs at the lower end of an experiment table, after the power is on, the switch motor is pressed down to drive the threaded rod and the screen is driven to ascend through a preset threaded hole, the mode needs to carry out circuit connection on each motor, the manufacturing cost of a plurality of circuit transmission accessories is high, the thread transmission is slow, and the convenience and flexibility of the screen body during use are integrally reduced;

2. in addition, when the examination, the screen panel is towards the inside of the experiment table, when students are experimented, an alcohol lamp is usually used for combustion, wet fog generated by combustion can be attached to and remained on the screen panel, and therefore the dryness of the panel of the screen body is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screen elevation structure for laboratory lift table to solve the convenient flexibility when the screen body that prior art exists uses lower, the relatively poor problem of aridity of the panel of screen body.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screen elevation structure for laboratory lift table, includes desk body, table, sleeve cavity to and the screen body that the slip set up in the sleeve cavity, be equipped with the slip chamber in the sleeve cavity, the slip chamber link up from top to bottom, the sleeve cavity cup joints through slip chamber and screen body slip, be equipped with the guide hole on the table, guide hole and screen body sliding connection, be equipped with through-hole and screw on the sleeve cavity respectively, sliding connection has the spacer pin in the through-hole, screw female connection has the screw thread post, the screen body includes backplate and side shield, the handle has been installed to the one end of backplate, the quantity of side shield is two and uses the horizontal axis of screen body to set up the one end at the backplate for central longitudinal symmetry.

Preferably, the rear baffle is provided with a limiting groove, the limiting groove is connected with a limiting pin in an inserting mode, and a spring is arranged between one end of the sleeve cavity and the limiting pin.

Preferably, the number of the limiting grooves is at least six, and the limiting grooves are vertically arranged according to a certain interval.

Preferably, the one end of side shield is provided with the draw-in groove, the one end of screw thread post is provided with the fixture block, draw-in groove and fixture block joint, the other end of screw thread post is provided with the butterfly head cap.

Preferably, the number of the clamping grooves is at least six and the clamping grooves are vertically arranged according to a certain interval.

Preferably, the overlooking U-shaped structural inner hole of the guide hole is matched with the overlooking U-shaped structural section of the screen body in a sliding way.

Preferably, the inner side of the screen body facing the table plate is provided with a panel, one end of the screen body facing the panel is provided with a placing groove, a drying layer is arranged in the placing groove, and the panel is provided with a moisture absorption hole.

Preferably, the number of the moisture absorption holes is a plurality, and the moisture absorption holes are densely distributed and penetrate through the panel.

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

1. through the plurality of limiting grooves and clamping grooves arranged on the screen body and the limiting pins and the threaded columns arranged on the sleeve cavity, the screen body is convenient to lift, the lifting height of the screen body can be adjusted according to the requirement, and the convenience and flexibility of the screen body in use are integrally and effectively improved;

2. through the drying layer arranged on the screen body and the panel with densely distributed moisture absorption holes, the wet fog attached to the panel generated in the experiment is dried, and the dryness of the panel of the screen body is effectively improved.

Drawings

FIG. 1 is a side view of the whole structure of a lifting screen of an experimental desk;

FIG. 2 is a top cross-sectional view of the whole structure of the elevating screen of the experimental desk;

fig. 3 is a partial enlarged cross-sectional view of a portion a of the present invention;

fig. 4 is a partial enlarged sectional view of part B of the present invention;

fig. 5 is a schematic view of the distribution of the face plate and the moisture absorption holes of the present invention.

In the figure: table body 1, table plate 2, guide hole 21, sleeve cavity 3, sliding cavity 31, limiting groove 32, clamping groove 33, screen body 4, rear baffle plate 41, side baffle plate 42, limiting pin 5, threaded column 6, clamping block 61, butterfly head cap 62, panel 7, drying layer 71, moisture absorption hole 72, handle 8, through hole 9, spring 10, screw hole 11 and placing groove 12.

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.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a screen lifting structure for a laboratory lifting table comprises a table body 1, a table plate 2 and a sleeve cavity 3, wherein the table body 1 is a common test table in a laboratory and is integrally formed by welding cold-rolled steel plates, the sleeve cavity 3 and the table plate 2 made of steel are all parts of the table body 1, the sleeve cavity 3 is formed by welding four plates, the inner part of the sleeve cavity is a hollow sliding cavity 31 and a screen body 4 arranged in the sleeve cavity 3 in a sliding manner, the screen body 4 is integrally formed by welding a back baffle plate 41 and two side baffle plates 42 and is made of Q235, a sliding cavity 31 is arranged in the sleeve cavity 3, the sliding cavity 31 is communicated up and down, the sleeve cavity 3 is in sliding sleeve joint with the screen body 4 through the sliding cavity 31, the table plate 2 is provided with a guide hole 21, the guide hole 21 is in sliding connection with the screen body 4, the sliding cavity 31 is communicated with the guide hole 21 in an up and down alignment manner, so that the screen body 4 can smoothly lift, the overlooking U-shaped structural inner hole of the guide hole 21 is mutually matched with the overlooking U-shaped structural section of the screen body 4 in a sliding way, a through hole 9 and a screw hole 11 are respectively arranged on the sleeve cavity 3, a limit pin 5 is connected in the through hole 9 in the sliding way, a threaded column 6 is connected in the screw hole 11 in a threaded way, the screen body 4 comprises a rear baffle plate 41 and a side baffle plate 42, a handle 8 made of steel is welded at the upper end of the rear baffle plate 41, the handle 8 can be held to conveniently lift the screen body 4 upwards, the number of the side baffle plates 42 is two, the two side baffle plates are vertically and symmetrically welded at the right end of the rear baffle plate 41 by taking the transverse central axis of the screen body 4 as the center, a limit groove 32 is arranged on the rear baffle plate 41, the number of the limit groove 32 is at least six, the limit groove 32 is vertically arranged according to a certain interval, the spiral spring bearing the transverse force is a spiral spring, the cross section of the material is circular, the powerful right-hand pull force can be stably ensured to clamp the limiting pin 5 and the limiting groove 32 together, the right end of the side baffle 42 is provided with the clamping groove 33, the number of the clamping grooves 33 is at least six and is vertically arranged according to a certain interval, each corresponding limiting groove 32 and each corresponding clamping groove 33 are horizontally aligned, the limiting clamping effect is ensured, the clamping block 61 is welded at the left end of the threaded column 6, the clamping grooves 33 are clamped with the clamping block 61, the lateral cross sections of the clamping blocks 61 and the clamping grooves 33 are circular structures, the clamping block 61 can be rotatably clamped into the clamping grooves 33 through the clamping block 61, the butterfly head cap 62 is welded at the right end of the threaded column 6, the butterfly head cap 62 can be directly manually screwed, the rotation of the threaded column 6 is realized, tools are not.

Referring to fig. 2 and 5, a panel 7 is disposed on the inner side of the screen body 4 facing the table 2, the panel 7 is fixed on the screen body 4 by screws, the screws are removed, the panel 7 is removed, and the drying bag is exposed to realize replacement of the drying bag, a placing groove 12 is disposed on one end of the screen body 4 facing the panel 7, a drying layer 71 is disposed in the placing groove 12, the panel 7 is provided with moisture absorption holes 72, the moisture absorption holes 72 are densely distributed and penetrate the panel 7, the drying layer 71 is a common drying bag, and in a disposable manner, the drying bag is provided with a lot of calcium chloride particles to realize moisture absorption and drying effects, wet mist generated in an experiment enters the drying bag through the moisture absorption holes 72 and is dried by the calcium chloride particles to dry the wet mist attached to the panel 7, the dryness of the panel 7 of the screen body 4 is improved.

The utility model discloses when concrete implementation: when in use, referring to fig. 2, the upper and lower threaded columns 6 are rotated counterclockwise and moved rightwards through the thread transmission of the screw hole 11 until the clamping block 61 exits the clamping groove 33 rightwards, then the limit pin 5 is pulled leftwards and exits from the limit groove 32, at this time, the spring 10 is stretched and deformed, referring to fig. 1, the handle 8 is held to pull the screen body 4 upwards until the screen body 4 is lifted to a proper height, then the limit pin 5 is loosened, the spring 10 releases the right return force to drive the limit pin 5 to be inserted into the limit groove 32 rightwards, then the threaded post 6 is rotated clockwise to drive the block 61 to be blocked into the slot 33 which is aligned at present, thereby realizing the convenient lifting of the screen body 4, the plurality of limiting grooves 32 and the plurality of clamping grooves 33 are arranged, so that the lifting height of the screen body 4 can be adjusted according to the requirement, and the convenience and the flexibility of the screen body 4 in use are integrally and effectively improved; in addition, the drying layer 71 is a common drying bag, a plurality of calcium chloride particles are arranged in the drying bag, so that the effect of moisture absorption and drying can be realized, wet mist generated in the experiment enters the drying bag through the moisture absorption holes 72 and is dried by the moisture absorption of the calcium chloride particles, the wet mist attached to the panel 7 generated in the experiment is dried, and the dryness of the panel 7 of the screen body 4 is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a screen elevation structure for laboratory lift table, includes desk body (1), table (2), sleeve cavity (3) to and slide and set up screen body (4) in sleeve cavity (3), its characterized in that: be equipped with slip chamber (31) in sleeve cavity (3), slip chamber (31) link up from top to bottom, sleeve cavity (3) cup joint through slip chamber (31) with screen body (4) slip, be equipped with guide hole (21) on table (2), guide hole (21) and screen body (4) sliding connection, be equipped with through-hole (9) and screw (11) on sleeve cavity (3) respectively, sliding connection has spacer pin (5) in through-hole (9), screw (11) female connection has threaded post (6), screen body (4) include backplate (41) and side shield (42), handle (8) have been installed to the one end of backplate (41), the quantity of side shield (42) is two and uses the horizontal axis of screen body (4) to set up the one end of backplate (41) for central longitudinal symmetry.

2. A screen lifting structure for a laboratory lifting table according to claim 1, wherein: be provided with spacing groove (32) on backplate (41), spacing groove (32) and spacer pin (5) are pegged graft, be provided with spring (10) between one end of sleeve cavity (3) and spacer pin (5).

3. A screen lifting structure for a laboratory lifting table according to claim 2, wherein: the number of the limiting grooves (32) is at least six and the limiting grooves are vertically arranged according to a certain interval.

4. A screen lifting structure for a laboratory lifting table according to claim 1, wherein: one end of the side baffle (42) is provided with a clamping groove (33), one end of the threaded column (6) is provided with a clamping block (61), the clamping groove (33) is connected with the clamping block (61) in a clamping mode, and the other end of the threaded column (6) is provided with a butterfly head cap (62).

5. A screen lifting structure for a laboratory lifting table according to claim 4, wherein: the number of the clamping grooves (33) is at least six and the clamping grooves are vertically arranged according to a certain interval.

6. A screen lifting structure for a laboratory lifting table according to claim 1, wherein: the overlooking U-shaped structural inner hole of the guide hole (21) is matched with the overlooking U-shaped structural section of the screen body (4) in a sliding way.

7. A screen lifting structure for a laboratory lifting table according to claim 1, wherein: the inner side of the screen body (4) facing the table plate (2) is provided with a panel (7), one end of the screen body (4) facing the panel (7) is provided with a placing groove (12), a drying layer (71) is arranged in the placing groove (12), and the panel (7) is provided with a moisture absorption hole (72).

8. A screen lifting structure for a laboratory lifting table according to claim 7, wherein: the number of the moisture absorption holes (72) is a plurality, and the moisture absorption holes are densely distributed and penetrate through the panel (7).