CN214716827U

CN214716827U - Test bench convenient to height-adjusting

Info

Publication number: CN214716827U
Application number: CN202121281880.6U
Authority: CN
Inventors: 胡拥军
Original assignee: Hunan Haitaikenuo Laboratory Equipment Co ltd
Current assignee: Hunan Haitaikenuo Laboratory Equipment Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-16
Anticipated expiration: 2031-06-08

Abstract

The utility model relates to the technical field of laboratory equipment, and discloses a test bed convenient for height adjustment, which solves the problems that the test bed on the current market is inconvenient for height adjustment, the required test bed has different heights for different experimenters or different experiments, and the use of a user is influenced, and the traditional test bed is exposed in the air after the experiment operation is finished, and the dust in the air can fall on the instrument on the platform, and comprises a test bed base, the bottom of the inner cavity of the test bed base is fixedly connected with a fixed rod, an installation sleeve is movably sleeved on the fixed rod, the outer part of the installation sleeve is fixedly provided with a movable plate, the top of the movable plate is fixedly connected with a push rod, the utility model has the advantages that the height of the test bed can be conveniently adjusted according to the experimenters with different heights or different experiments, and the instrument on the test bed can be covered when the test bed is not in use, the dust in the air is prevented from entering the inside of the instrument.

Description

Test bench convenient to height-adjusting

Technical Field

The utility model belongs to the technical field of laboratory paraphernalia, specifically be a test bench convenient to height-adjusting.

Background

The test bench is suitable for carrying out relevant vibration tests on products such as automobile parts, electronics, furniture, gifts, ceramics, packages and the like, a laboratory is a test place, the laboratory is a scientific cradle which is a scientific research base and a source of scientific and technological development and plays a very important role in scientific and technological development, and the test bench is indispensable experimental operation equipment in the laboratory.

However, the height of the test bed in the market is inconvenient to adjust, the required test beds are different for different experimenters or different experiments, the use habits of different users are different due to different heights of the users, and customers facing the test beds in the same batch are not always satisfied with the test bed with the height, so that the use of the users is influenced; and the operation platform is exposed in the air after the experiment operation of the traditional test bed is finished, dust in the air can fall into an instrument on the platform, the next experiment can be influenced, and the test bed is not beneficial to some experiments needing to be carried out in a dust-free environment.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a test bench convenient to height-adjusting, the effectual test bench of having solved on the existing market is not convenient for height-adjusting, to different experimenters or different experiments, the height of required test bench is different, influences user's use, and traditional test bench is exposed in the air after experimental operation finishes operation platform, and the dust in the air can fall the problem in the instrument on the platform.

In order to achieve the above object, the utility model provides a following technical scheme: a test bed convenient for height adjustment comprises a test bed base, wherein a first fixed rod, a second fixed rod, a first mounting sleeve, a second mounting sleeve, a movable plate and a push rod are arranged in the inner cavity of the test bed base, the first fixed rod and the second fixed rod are arranged in parallel, the upper ends of the first fixed rod and the second fixed rod are fixedly connected with the upper side surface of the inner cavity of the test bed base, the lower ends of the first fixed rod and the second fixed rod are both fixedly connected with the lower side surface of the inner cavity of the test bed base, the movable plate is arranged between the first fixed rod and the second fixed rod, the left end and the right end of the movable plate are respectively fixed on the first mounting sleeve and the second mounting sleeve, the first mounting sleeve and the second mounting sleeve are respectively movably sleeved on the first fixing rod and the second fixing rod, one end of the push rod is fixed on the movable plate, and the other end of the push rod penetrates through the base to be fixedly connected with the experiment platform;

a first protective cover is slidably arranged at one end of the experiment platform, a second protective cover is movably arranged in the first protective cover, a third protective cover is movably arranged in the second protective cover, a connecting plate is rotatably arranged at the other end of the experiment platform, and a first magnet and a second magnet which can be attracted in a matched mode are respectively arranged on the right side of the third protective cover and the left side of the connecting plate;

the inner cavity of the test bed base is provided with a lifting device which is positioned at the lower side of the movable plate, which comprises a rotating shaft, a fixed block, a gear, a movable rod, an adjusting rod, a movable shaft and a crank, wherein the middle part of the rotating shaft is provided with an external thread, one end of the rotating shaft is rotatably arranged on one side of the test bed base, the other end of the rotating shaft penetrates through the other side of the test bed base and is fixedly connected with the crank, the crank is movably sleeved with a fixing bolt, be provided with a plurality of spacing holes that match with fixing bolt on the side of test bench base, the fixed block is fixed to be located on the test bench base and is located one side of axis of rotation, rotates on the fixed block and is provided with the loose axle, one that the loose axle corresponds with the axis of rotation is served fixed cover and is equipped with the gear with external screw thread engagement in the axis of rotation, loose axle other end fixed mounting have with loose axle vertically movable rod, movable rod and fly leaf respectively with adjust the both ends tip activity hinge of pole.

Preferably, one side of test bench base is provided with the scale mark, the fly leaf is located one side of scale mark and is provided with the instruction piece that matches with the scale mark, and the material of test bench base is glass.

Preferably, the outside of the fixing bolt and the inside of the crank are respectively provided with an external thread and an internal thread, and the external thread of the fixing bolt is matched with the internal thread of the crank.

Preferably, the front side or the rear side of the first protective cover, the second protective cover and the third protective cover are fixedly connected with handles.

Preferably, the side of the experiment platform is provided with a sliding groove, the inner cavity of the first protective cover is provided with a convex block, and the first protective cover and the experiment platform are in sliding connection through the convex block and the sliding groove in a matching mode.

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

1) during work, the crank is rotated to drive the rotating shaft to rotate through the movable plate, the push rod, the rotating shaft, the gear, the adjusting rod and the movable shaft, so that the gear drives the movable shaft and the movable rod to move, the movable plate drives the push rod to move up and down finally, the up-and-down movement of the experiment platform is realized, the height of the experiment table is adjusted, and the problem that the required experiment table is different in height for different experimenters or different experiments and the experience of a user is influenced finally is solved;

2) the utility model discloses a test bench, including a test bench, No. three visor, through a visor, No. two visor, No. three visor, magnet and connecting plate, remove No. three visor, make the tip of No. three visor and connecting plate contact, effect through magnet, No. three visor and connecting plate in close contact together, avoided the test bench can with the problem of the dust contact in the air when not using, when needing the operation, reverse promotion No. three visor again, No. three visor and No. two inside that the visor removed a visor, the experimenter of being convenient for operates on the experiment platform.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure of the present invention at A;

FIG. 4 is a side view of the protective cover in the configuration of the present invention;

in the figure: 1. a test bed base; 4. a movable plate; 5. a push rod; 6. an experimental platform; 7. a rotating shaft; 8. a fixed block; 9. a gear; 10. a movable rod; 11. adjusting a rod; 12. a movable shaft; 13. a crank; 14. fixing the bolt; 15. a chute; 16. a connecting plate; 17. a first protective cover; 18. a second protective cover; 19. a third protective cover; 20. a first magnet; 21. a first fixing lever; 22. a second fixing bar; 23. a bump; 24. a second magnet; 31. a first mounting sleeve; 32. and a second mounting sleeve.

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 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. As shown in fig. 1, the vertical direction is "up", the vertical direction is "down", the vertical direction is "left", and the vertical direction is "right". The inside of the base 1 is 'inside', and the up-down direction is 'vertical'.

In this embodiment, as shown in fig. 1-4, the present invention comprises a test bed base 1, the inner cavity of the test bed base 1 is provided with a first fixing rod 21, a second fixing rod 22, a first mounting sleeve 31, a second mounting sleeve 32, a movable plate 4 and a push rod 5, the first fixing rod 21 and the second fixing rod 22 are arranged in parallel, the upper ends of the first fixing rod 21 and the second fixing rod 22 are fixedly connected with the upper side of the inner cavity of the test bed base 1, the lower ends of the first fixing rod 21 and the second fixing rod 22 are fixedly connected with the lower side of the inner cavity of the test bed base 1, the movable plate 4 is arranged between the first fixing rod 21 and the second fixing rod 22, the left and right ends of the movable plate 4 are respectively fixed on the first mounting sleeve 31 and the second mounting sleeve 32, the first mounting sleeve 31 and the second mounting sleeve 32 are respectively movably sleeved on the first fixing rod 21 and the second fixing rod 22, one end of the push rod 5 is fixed on the movable plate 4, and the other end of the push rod 5 penetrates through the base 1 and is fixedly connected with the experiment platform 6; a first protective cover 17 is slidably arranged at one end of the experiment platform 6, a second protective cover 18 is movably arranged in the first protective cover 17, a third protective cover 19 is movably arranged in the second protective cover 18, a connecting plate 16 is rotatably arranged at the other end of the experiment platform 6, and a first magnet 20 and a second magnet 24 which can be attracted in a matched mode are respectively arranged on the right side of the third protective cover 19 and the left side of the connecting plate 16;

the inner cavity of the test bed base 1 is internally provided with a lifting device, the lifting device is positioned at the lower side of the movable plate 4 and comprises a rotating shaft 7, a fixed block 8, a gear 9, a movable rod 10, an adjusting rod 11, a movable shaft 12 and a crank 13, the middle part of the rotating shaft 7 is provided with an external thread, one end of the rotating shaft 7 is rotatably arranged at one side of the test bed base 1, the other end of the rotating shaft 7 passes through the other side of the test bed base 1 and is fixedly connected with the crank 13, the crank 13 is movably sleeved with a fixing bolt 14, the side surface of the test bed base 1 is provided with a plurality of limiting holes matched with the fixing bolt 14, the fixed block 8 is fixedly arranged on the test bed base 1 and is positioned at one side of the rotating shaft 7, the fixed block 8 is rotatably provided with a movable shaft 12, one end of the movable shaft 12 corresponding to the rotating shaft 7 is fixedly sleeved with a gear 9 meshed with the external thread on the rotating shaft 7, the other end of the movable shaft 12 is fixedly provided with a movable rod 10 perpendicular to the movable shaft 12, and the movable rod 10 and the movable plate 4 are respectively movably hinged with the end parts of the two ends of the adjusting rod 11. Rotate crank 13 towards a direction, drive axis of rotation 7 and rotate, thereby make gear 9 rotate, gear 9 rotates and can drive loose axle 12 and rotate in the inside of fixed block 8, and then drive the motion of the movable rod 10 of the loose axle 12 other end, make and adjust pole 11 and promote fly leaf 4 and move on first dead lever 21 and second dead lever 22, finally make push rod 5 and experiment platform 6 move up/down, thereby can adjust the height of experiment platform 6 according to actual conditions, when rotating crank 13 towards another direction, can make the high decline of experiment platform 6, highly brought the facility for adjusting the test bench.

Scale marks are arranged on one side of the test bed base 1, the test bed base 1 is made of glass, an indication sheet is arranged on one side, located on the scale marks, of the movable plate 4, and the indication sheet and the scale marks are matched with each other; when the experiment platform 6 is lifted, the height of the experiment platform 6 can be accurately positioned by observing the scale marks and the indicating sheet, so that the experimenter can adjust the height of the experiment platform according to the height of the experimenter.

Wherein, the outside of the fixing bolt 14 and the inside of the crank 13 are respectively provided with an external thread and an internal thread, and the external thread of the fixing bolt 14 is matched with the internal thread of the crank 13; when the height position of experiment platform 6 was adjusted, screwed into the spacing hole on crank 13 and the test bench base 1 with fixing bolt 14 to fix the position of axis of rotation 7, avoided axis of rotation 7 to rotate in the experimentation and made the problem that experiment platform 6 descends.

The front side or the rear side of each of the first protective cover 17, the second protective cover 18 and the third protective cover 19 is fixedly connected with a handle, a convex block 23 is arranged in an inner cavity of the first protective cover 17, a sliding groove 15 is formed in the side surface of the experiment platform 6, the convex block 23 is matched with the sliding groove 15, and the first protective cover 17 is in sliding connection with the experiment platform 6 through the sliding groove 15 and the convex block 23 in a matching manner; remove No. two visor 18 and No. three visor 19, make No. three visor 19 and connecting plate 16 contact, through the effect of first magnet 20 and second magnet 24, No. three visor 19 and connecting plate 16 in close contact together, avoided the test bench can with the problem of dust contact in the air when not using, when needing practical test bench, reverse promotion No. three visor 19 and No. two visor 18, make No. three visor 19 and No. two visor 18 move the inside of a visor 17, thereby be convenient for the experimenter to operate on experiment platform 6, No. one visor 17 can break away from with experiment platform 6 through spout 15 and lug 23 simultaneously, increase experiment platform 6's area, bring convenience for experimental operation.

The working principle is as follows: when the test bench works, whether parts at the joint of the test bench can work normally is checked firstly, the crank 13 is rotated towards one direction to drive the rotating shaft 7 to rotate, so that the gear 9 rotates, the gear 9 rotates to drive the movable shaft 12 to rotate in the fixed block 8, and further the movable rod 10 at the other end of the movable shaft 12 is driven to move, the adjusting rod 11 pushes the movable plate 4 to move on the first fixed rod 21 and the second fixed rod 22, finally the push rod 5 and the test platform 6 move upwards, the height of the test platform 6 is adjusted according to actual conditions, the crank 13 is rotated towards the other direction, the height of the test platform 6 can be reduced, convenience is brought to the adjustment of the height of the test bench, when the test platform 6 is lifted, the height of the test platform 6 can be accurately positioned by observing scale lines and indicating sheets, an experimenter can adjust according to the height of the experimenter, when the height position of the test platform 6 is adjusted, the fixing bolt 14 is screwed into the crank 13 and the limiting hole on the test bed base 1, so that the position of the rotating shaft 7 is fixed, and the problem that the experiment platform 6 descends due to the rotation of the rotating shaft 7 in the experiment process is solved;

rotate connecting plate 16 to the last side of experiment platform 6 during the experiment, remove No. two visor 18 and No. three visor 19 through the handle, make No. three visor 19 contact with connecting plate 16, effect through first magnet 20 and second magnet 24, No. three visor 19 and connecting plate 16 in close contact with together, the problem of the dust contact in the test bench can with the air when not using has been avoided, when needing to operate, reverse promotion handle again, make No. three visor 19 and No. two visor 18 remove the inside of a visor 17, the experimenter of being convenient for operates on experiment platform 6, a visor 17 can break away from with experiment platform 6 through spout 15 and lug 23 simultaneously, increase experiment platform 6's area, for experimental operation has brought the facility.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 test bench convenient to height-adjusting which characterized in that: including test bench base (1), test bench base (1) inner chamber is provided with first dead lever (21), second dead lever (22), first installation cover (31), second installation cover (32), fly leaf (4) and push rod (5), first dead lever (21) and second dead lever (22) parallel arrangement, just the upper end of first dead lever (21) and second dead lever (22) all with the side fixed connection that goes up of test bench base (1) inner chamber, the lower extreme of first dead lever (21) and second dead lever (22) all with the downside fixed connection of test bench base (1) inner chamber, fly leaf (4) are located between first dead lever (21) and second dead lever (22) and both ends are fixed respectively on first installation cover (31) and second installation cover (32) about fly leaf (4), first installation cover (31) and second installation cover (32) movable sleeve respectively are established at first dead lever (21) and second fixed firmly with the second dead lever (21), and both ends are fixed respectively One end of the push rod (5) is fixed on the movable plate (4) on the fixed rod (22), and the other end of the push rod (5) penetrates through the base (1) and is fixedly connected with the experiment platform (6);

a first protective cover (17) is slidably arranged at one end of the experiment platform (6), a second protective cover (18) is movably arranged in the first protective cover (17), a third protective cover (19) is movably arranged in the second protective cover (18), a connecting plate (16) is rotatably arranged at the other end of the experiment platform (6), and a first magnet (20) and a second magnet (24) which can be attracted in a matched mode are respectively arranged on the right side of the third protective cover (19) and the left side of the connecting plate (16);

the inner cavity of the test bed base (1) is internally provided with a lifting device, the lifting device is positioned at the lower side of the movable plate (4) and comprises a rotating shaft (7), a fixed block (8), a gear (9), a movable rod (10), an adjusting rod (11), a movable shaft (12) and a crank (13), the middle part of the rotating shaft (7) is provided with an external thread, one end of the rotating shaft (7) is rotatably arranged at one side of the test bed base (1), the other end of the rotating shaft (7) penetrates through the other side of the test bed base (1) and is fixedly connected with the crank (13), a fixing bolt (14) is movably sleeved on the crank (13), a plurality of limiting holes matched with the fixing bolt (14) are formed in the side surface of the test bed base (1), the fixed block (8) is fixedly arranged on the test bed base (1) and positioned at one side of the rotating shaft (7), the movable shaft (12) is rotatably arranged on the fixed block (8), one end of the movable shaft (12) corresponding to the rotating shaft (7) is fixedly sleeved with a gear (9) meshed with the external thread on the rotating shaft (7), the other end of the movable shaft (12) is fixedly provided with a movable rod (10) vertical to the movable shaft (12), and the movable rod (10) and the movable plate (4) are movably hinged with the end parts of the two ends of the adjusting rod (11) respectively.

2. A test stand for facilitating height adjustment according to claim 1, wherein: one side of the test bed base (1) is provided with scale marks, one side of the movable plate (4) located at the scale marks is provided with an indication sheet matched with the scale marks, and the test bed base (1) is made of glass.

3. A test stand for facilitating height adjustment according to claim 1, wherein: the outer portion of the fixing bolt (14) and the inner portion of the crank (13) are respectively provided with an external thread and an internal thread, and the external thread of the fixing bolt (14) is matched with the internal thread of the crank (13).

4. A test stand for facilitating height adjustment according to claim 1, wherein: the front side or the rear side of the first protective cover (17), the second protective cover (18) and the third protective cover (19) are fixedly connected with handles.

5. A test stand for facilitating height adjustment according to claim 1, wherein: the side of the experiment platform (6) is provided with a sliding groove (15), the inner cavity of the first protective cover (17) is provided with a convex block (23), and the first protective cover (17) is connected with the experiment platform (6) in a sliding mode through the convex block (23) and the sliding groove (15) in a matching mode.