CN212702038U

CN212702038U - Laboratory bench with dustproof construction

Info

Publication number: CN212702038U
Application number: CN202021425159.5U
Authority: CN
Inventors: 薛传锋
Original assignee: Xi'an Kezheng Environmental Technology Co ltd
Current assignee: Xi'an Kezheng Environmental Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-16
Anticipated expiration: 2030-07-17

Abstract

The utility model relates to the technical field of experiment table equipment, in particular to an experiment table with a dustproof structure, which comprises a working plate and a base, wherein the top end of the left side of the working plate is fixedly connected with a third arc plate, the front end and the rear end of the third arc plate are fixedly connected with supporting plates, the inner side of a first arc groove is slidably connected with the first arc plate, the inner side of a second arc groove is slidably connected with a second arc plate, the inner side of a stand column is rotatably connected with a rotating shaft, the outer sides of the left side and the right side of the rotating shaft are fixedly connected with gears, the outer side of the left end of the rotating shaft is fixedly connected with a ratchet wheel, the left end of the stand column is rotatably connected with a pawl through a rotating shaft, the utility model has the dustproof function, and a dustproof mechanism is stacked on the left side of the working plate through folding, so that the dustproof, and the operation is convenient and fast.

Description

Laboratory bench with dustproof construction

Technical Field

The utility model relates to a laboratory bench equipment technical field specifically is a laboratory bench with dustproof construction.

Background

The laboratory bench is that enterprises and institutions such as hospital, school, chemical plant, scientific research institute carry out the experiment and detect and deposit the platform that the instrument used, along with the development of chinese education, the quality teaching is more and more popular, and more school attach importance to the cultivation of student's hands-on ability, and the mode that the student obtained knowledge also converts gradually to study from books, from the experiment to verifying, and it is more extensive to the teaching that obtains knowledge through the hands-on experiment, consequently, the demand to the laboratory bench that has dustproof construction is increasing day by day.

Present laboratory bench that has dustproof construction, adopt huge dust cover of volume or dustproof cloth to be used for preventing dust to the laboratory bench, dustproof operation is complicated and hard, and still need accomodate dust cover or dustproof cloth during the use, occupation space, simultaneously because teaching experiment is to the student of different grades, student's height of different age groups is different, present laboratory bench can only carry out the rising of fixed height through the locating hole of bolt with offering, the height that risees can't be selected according to actual need, and need dismantle the bolt when height-adjusting, the operation is complicated, therefore, provide a laboratory bench that has dustproof construction to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory bench with dustproof construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a laboratory bench with a dustproof structure comprises a working plate and a base, wherein the top end of the left side of the working plate is fixedly connected with a third arc-shaped plate, the front end and the rear end of the third arc-shaped plate are fixedly connected with supporting plates, the supporting plates are fixedly connected with the working plate, the inner sides of the supporting plates positioned at the front side and the rear side are sequentially provided with a first arc-shaped groove and a second arc-shaped groove from top to bottom, the inner side of the first arc-shaped groove is connected with the first arc-shaped plate in a sliding manner, the inner side of the second arc-shaped groove is connected with the second arc-shaped plate in a sliding manner, the left side and the right side of the bottom end of the working plate are fixedly connected with racks, the outer sides of the racks are connected with a stand column in a sliding manner, the base is fixedly connected with the bottom end of the stand column, the inner, be located the left the stand left end rotates through the pivot to be connected with the pawl, pawl rear end fixedly connected with extension spring, extension spring rear end fixedly connected with pin to pin and stand fixed connection.

Preferably, the right end of the first arc-shaped plate is fixedly connected with a handle.

Preferably, the equal fixedly connected with spring in base top left and right sides, spring top fixedly connected with buffer block to buffer block and the inboard sliding connection of stand.

Preferably, the left end of the rotating shaft is fixedly connected with an adjusting block, and the cross section of the adjusting block is in a regular hexagon shape.

Preferably, the left end of the upright column on the left side is fixedly connected with a fixing block, the inner side of the fixing block is slidably connected with a push rod, and the front end of the push rod is in contact with the pawl.

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

1. the utility model discloses in, through the first arc that sets up, the second arc, the third arc, first arc, second arc and backup pad, through first arc and second arc respectively at first arc and the inboard clockwise slip of second arc, it is airtight to realize sheltering from work board upside space, realize dustproof function, when needing the test bench to use simultaneously, with first arc anticlockwise left slip, the centre can drive the second arc and slide left together, the space of realization work board upside is opened, and first arc, second arc and third arc can pile up in the work board left side, can not occupy too much space.

2. The utility model discloses in, through the gear that sets up, the rack, the axis of rotation, the regulating block, the ratchet, pawl and push rod, rotate the regulating block through using the spanner and drive gear revolve, drive rack rebound through gear revolve, realize the rising of workstation, but the height of free choice workstation, convenient operation is simple, and when needs reduce the height of workstation, press the push rod forward, the push rod promotes the pawl and removes the block to the ratchet, can make the workstation fall to minimumly, carry out altitude mixture control again.

Drawings

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

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the installation structure of the gear of the present invention;

FIG. 4 is a schematic view of the installation structure of the ratchet and pawl of the present invention;

FIG. 5 is a schematic view of the rack and the column of the present invention;

fig. 6 is a schematic view of the mounting structure of the support plate of the present invention.

In the figure: 1-working plate, 2-rack, 3-rotating shaft, 4-upright post, 5-base, 6-fixed block, 7-spring, 8-buffer block, 9-second arc groove, 10-third arc plate, 11-first arc groove, 12-second arc plate, 13-supporting plate, 14-first arc plate, 15-handle, 16-regulating block, 17-ratchet wheel, 18-pawl, 19-gear, 20-pin, 21-tension spring and 22-push rod.

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. 1-6, the present invention provides a technical solution:

a laboratory bench with a dustproof structure comprises a working plate 1 and a base 5, wherein the top end of the left side of the working plate 1 is fixedly connected with a third arc-shaped plate 10, the front end and the rear end of the third arc-shaped plate 10 are fixedly connected with supporting plates 13, the supporting plates 13 are fixedly connected with the working plate 1, the inner sides of the supporting plates 13 positioned at the front side and the rear side are sequentially provided with a first arc-shaped groove 11 and a second arc-shaped groove 9 from top to bottom, the inner side of the first arc-shaped groove 11 is slidably connected with a first arc-shaped plate 14, the inner side of the second arc-shaped groove 9 is slidably connected with a second arc-shaped plate 12, the left side and the right side of the bottom end of the working plate 1 are fixedly connected with racks 2, the outer side of each rack 2 is slidably connected with a stand column 4, the bottom end of each stand column 4 is fixedly connected with, the ratchet wheel 17 is fixedly connected to the outer side of the left end of the rotating shaft 3, the pawl 18 is rotatably connected to the left end of the stand column 4 on the left side through the rotating shaft, the tension spring 21 is fixedly connected to the rear end of the pawl 18, the pin 20 is fixedly connected to the rear end of the tension spring 21, and the pin 20 is fixedly connected with the stand column 4.

14 right-hand member fixedly connected with handles 15 of first arc, conveniently slide first arc 14, the equal fixedly connected with spring 7 in the 5 top left and right sides of base, spring 7 top fixedly connected with buffer block 8, and buffer block 8 and the inboard sliding connection of stand 4, can be when the downward landing of working plate 1 and rack 2, play the buffering to rack 2 about, 3 left end fixedly connected with regulating block 16 of axis of rotation, and the cross-sectional shape of regulating block 16 is regular hexagon, facilitate the use spanner rotates regulating block 16, be located left stand left end fixedly connected with fixed block 6, and the inboard sliding connection of fixed block 6 has push rod 22, and push rod 22 front end and 18 contacts of pawl, can be through promoting push rod 22 forward, relieve

ratchet

17 and 18's block.

The working process is as follows: the utility model is placed on the ground, the adjusting block 16 is clockwise rotated by a wrench, the adjusting block 16 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the gear 19 to rotate, the gear 19 drives the rack 2 to rise, the rack 2 upwards pushes the working plate 1 to rise, when reaching a proper height, the adjusting block 16 stops rotating, meanwhile, under the pulling force of the tension spring 21, the pawl 18 can block the ratchet wheel 17 to prevent the working plate 1 and the rack 2 from sliding downwards, when the height needs to be readjusted, the push rod 22 is pushed forwards to make the push rod 22 push the pawl 18 to rotate around the shaft, the pawl 18 is separated from the ratchet wheel 17, under the action of dead weight, the working plate 1 and the rack 2 slide downwards to the lowest point, the height of the working plate 1 can be readjusted, when the utility model is used, the upper side space of the working plate needs to be opened, the handle 15 is upwards pulled to make the first arc plate 14 slide in the first arc-shaped, the first arc 14 of certain angle that slides can drive second arc 12 and slide simultaneously, piles up in 1 left sides of working plate until first arc 14, second arc 12 and third arc 9, makes the space of 1 upside of working plate open, when using the utility model discloses after finishing, first arc 14 of reverse slip is until sliding first arc 14 rightmost side, closes the space of 1 upside of working plate, and upper surface to experimental apparatus and working plate 1 prevents dust.

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 laboratory bench with dustproof construction, includes working plate (1) and base (5), its characterized in that: the top end of the left side of the working plate (1) is fixedly connected with a third arc-shaped plate (10), the front end and the rear end of the third arc-shaped plate (10) are fixedly connected with supporting plates (13), the supporting plates (13) are fixedly connected with the working plate (1), the inner sides of the supporting plates (13) positioned at the front side and the rear side are sequentially provided with a first arc-shaped groove (11) and a second arc-shaped groove (9) from top to bottom, the inner side of the first arc-shaped groove (11) is slidably connected with a first arc-shaped plate (14), the inner side of the second arc-shaped groove (9) is slidably connected with a second arc-shaped plate (12), the left side and the right side of the bottom end of the working plate (1) are fixedly connected with racks (2), the outer side of each rack (2) is slidably connected with a stand column (4), the bottom end of each stand column, the equal fixedly connected with gear (19) in axis of rotation (3) left and right sides outside to gear (19) are connected with rack (2) meshing, axis of rotation (3) left end outside fixedly connected with ratchet (17) are located the left stand (4) left end is rotated through the pivot and is connected with pawl (18), pawl (18) rear end fixedly connected with extension spring (21), extension spring (21) rear end fixedly connected with pin (20) to pin (20) and stand (4) fixed connection.

2. The experimental bench with dustproof structure of claim 1, characterized in that: the right end of the first arc-shaped plate (14) is fixedly connected with a handle (15).

3. The experimental bench with dustproof structure of claim 1, characterized in that: the base (5) top left and right sides equal fixedly connected with spring (7), spring (7) top fixedly connected with buffer block (8) to buffer block (8) and stand (4) inboard sliding connection.

4. The experimental bench with dustproof structure of claim 1, characterized in that: the left end of the rotating shaft (3) is fixedly connected with an adjusting block (16), and the cross section of the adjusting block (16) is in a regular hexagon shape.

5. The experimental bench with dustproof structure of claim 1, characterized in that: the left end of the upright post on the left side is fixedly connected with a fixing block (6), the inner side of the fixing block (6) is connected with a push rod (22) in a sliding mode, and the front end of the push rod (22) is in contact with a pawl (18).