CN212663621U - Experiment table with adjustable height - Google Patents
Experiment table with adjustable height Download PDFInfo
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- CN212663621U CN212663621U CN202021223044.8U CN202021223044U CN212663621U CN 212663621 U CN212663621 U CN 212663621U CN 202021223044 U CN202021223044 U CN 202021223044U CN 212663621 U CN212663621 U CN 212663621U
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Abstract
The utility model discloses a laboratory bench with adjustable height, including the laboratory bench body, the top fixedly connected with riser of laboratory bench body, the top of riser is provided with the mesa, there is positive and negative tooth lead screw inside of riser through bearing swing joint, the left side on positive and negative tooth lead screw surface has the swivel nut with the equal threaded connection in right side. The utility model discloses a rotatory two swivel nuts that make of positive and negative tooth lead screw are to both sides removal, the swivel nut drives the traction lever and uses the connecting block to revolve in opposite directions as the axle center in the inside slip of pendulum rod and pulling pendulum rod at the removal in-process, the one end that the pendulum rod was kept away from the traction lever drives the bracing piece and rises at the inside slip of lagging and pulling lagging together with the mesa, thereby reach the effect of highly adjusting the mesa, the current laboratory bench has been solved and has not possessed the effect of height-adjusting, can't satisfy different height experimenters user demand, the travelling comfort of laboratory bench has been reduced, lead to the frequent problem that takes place of the unexpected condition in the experimentation.
Description
Technical Field
The utility model relates to a laboratory bench technical field specifically is a laboratory bench with adjustable height.
Background
The experiment table is a working table for performing experiments in enterprises and institutions such as hospitals, schools, chemical plants, scientific research institutions and the like, and is divided into the following parts according to the placement positions: a central experiment table, an edge experiment table and a corner table; the material composition is as follows: all-steel experiment table, steel-wood experiment table, all-wood experiment table, PP experiment table, some high cabinets in addition: a fume hood, a medicine cabinet, a vessel cabinet, a gas cylinder cabinet, an explosion-proof cabinet, a slide cabinet and the like.
The laboratory bench is that the experiment detects and deposits the workstation that the instrument used, but current laboratory bench does not possess height-adjusting's effect, can't satisfy different height experimenters ' user demand, has reduced the travelling comfort of laboratory bench, leads to the condition frequent emergence of accident appearing in the experimentation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a height-adjustable's laboratory bench, but possess height-adjusting's advantage, solved current laboratory bench and did not possess height-adjusting's effect, can't satisfy different height experimenters ' user demand, reduced the travelling comfort of laboratory bench, lead to the frequent problem that takes place of accident condition in the experimentation.
The utility model provides a its technical problem realize through following technical scheme:
the utility model provides a laboratory bench with adjustable height, includes the laboratory bench body, the top fixedly connected with riser of laboratory bench body, the top of riser is provided with the mesa, there is positive and negative tooth lead screw inside of riser through bearing swing joint, the equal threaded connection in left side and the right side on positive and negative tooth lead screw surface has the swivel nut, the left side and the equal fixedly connected with in right side at riser top are located the connecting block of positive and negative tooth lead screw both sides, there is the pendulum rod inside of connecting block through round pin axle swing joint, the front of swivel nut and the equal fixedly connected with in back are located the inside traction lever of pendulum rod, traction lever and pendulum rod sliding connection, the bottom fixedly connected with lagging of mesa, the one end fixedly connected with that the traction lever was kept away from to the pendulum rod is located the inside bracing piece of lagging.
Moreover, the fixed surface of the supporting rod is connected with a rubber sleeve positioned inside the sleeve plate, the outer surface of the rubber sleeve is in contact with the inner wall of the sleeve plate, and the rubber sleeve is made of rubber.
And, the right-hand member of positive and negative tooth lead screw runs through to the right side and the fixedly connected with gear of riser, the right side fixedly connected with electric telescopic handle of laboratory bench body, electric telescopic handle's output fixedly connected with is located the pinion rack at the gear back, pinion rack and gear engagement.
And, the right side fixedly connected with cover of riser is established at the locating frame on positive and negative tooth lead screw surface, the left side of locating frame gear, the locating frame passes through bearing swing joint with positive and negative tooth lead screw.
And the inner side of the vertical plate is fixedly connected with a guide rod, the guide rod penetrates through the threaded sleeve and is in sliding connection with the threaded sleeve, and the guide rod is positioned at the bottom of the positive and negative threaded screw rod.
And the top of the vertical plate is fixedly connected with a bearing plate which is sleeved on the surfaces of the positive and negative tooth screw rods and the guide rod, the bearing plate is positioned on the inner side of the threaded sleeve, the bearing plate is movably connected with the positive and negative tooth screw rods through a bearing, and the bearing plate is fixedly connected with the guide rod.
The utility model discloses an advantage and beneficial effect do:
1. the utility model discloses a laboratory bench with adjustable height, make two swivel nuts to both sides removal through the rotation of positive and negative tooth lead screw, the swivel nut drives the traction lever and slides and stimulate the pendulum rod and use the connecting block to revolve in opposite directions as the axle center in the inside of pendulum rod at the removal in-process, the pendulum rod is kept away from the one end of traction lever and is driven the bracing piece and slide and stimulate the lagging and rise together with the mesa in the inside of lagging, thereby reach the effect of highly adjusting to the mesa, the current laboratory bench has been solved and has not possessed height-adjusting's effect, can't satisfy different height experimenters user demand, the travelling comfort of laboratory bench has been reduced, lead to the frequent problem that takes place of the unexpected.
2. The utility model discloses a laboratory bench with adjustable height through setting up the gum cover, can play the effect of protection to bracing piece and lagging, reduces the wearing and tearing that bracing piece and lagging produced when the contact, reduces the influence that outside vibrations caused lagging and mesa.
3. The utility model discloses a laboratory bench with adjustable height through setting up pinion rack, electric telescopic handle and gear, can improve the degree of automation of laboratory bench body, can reach labour saving and time saving's effect, can the person of facilitating the use carry out and control the rotation angle of positive and negative tooth lead screw simultaneously, avoids positive and negative tooth lead screw rotatory excess.
4. The utility model discloses a laboratory bench with adjustable height through setting up the locating frame, can play the effect of support to positive and negative tooth lead screw, can improve the area of contact of positive and negative tooth lead screw and riser, prevents that positive and negative tooth lead screw from leading to appearing the fracture because of the atress is too high.
5. The utility model discloses a laboratory bench with adjustable height through setting up the guide arm, can play the effect of direction to the swivel nut, can improve the stability of swivel nut, avoids the swivel nut to follow positive and negative tooth lead screw rotation at the removal in-process.
6. The utility model discloses a laboratory bench with adjustable height through setting up the bearing plate, can play the effect of support to positive and negative tooth lead screw and guide arm, cuts apart the axial length of positive and negative tooth lead screw and guide arm, avoids positive and negative tooth lead screw and guide arm to appear bending deformation because of the bearing is too high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the partial structure of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a test bed body; 2. a vertical plate; 3. a table top; 4. a positive and negative tooth lead screw; 5. a threaded sleeve; 6. connecting blocks; 7. a swing rod; 8. a draw bar; 9. sheathing; 10. a support bar; 11. a rubber sleeve; 12. a gear; 13. an electric telescopic rod; 14. a toothed plate; 15. a positioning frame; 16. a guide bar; 17. a bearing plate.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
As shown in fig. 1 to 3, the utility model provides a pair of laboratory bench with adjustable height, including laboratory bench body 1, the top fixedly connected with riser 2 of laboratory bench body 1, the top of riser 2 is provided with mesa 3, there is positive and negative tooth lead screw 4 inside of riser 2 through bearing swing joint, the left side and the equal threaded connection in right side on positive and negative tooth lead screw 4 surface have swivel nut 5, the left side and the equal fixedly connected with in right side at riser 2 top are located the connecting block 6 of positive and negative tooth lead screw 4 both sides, there is pendulum rod 7 inside of connecting block 6 through round pin axle swing joint, the front of swivel nut 5 is located the inside traction lever 8 of pendulum rod 7 with the equal fixedly connected with in the back, traction lever 8 and pendulum rod 7 sliding connection, the bottom fixedly connected with lagging 9 of mesa 3, the one end fixedly connected with that pendulum rod 7 kept away from 8 is located the bracing piece 10 of lagging 9 inside, bracing piece.
Referring to fig. 2, the surface of the support rod 10 is fixedly connected with a rubber sleeve 11 located inside the sleeve plate 9, the outer surface of the rubber sleeve 11 contacts with the inner wall of the sleeve plate 9, and the rubber sleeve 11 is made of rubber. Through setting up gum cover 11, can play the effect of protection to bracing piece 10 and lagging 9, reduce the wearing and tearing that bracing piece 10 and lagging 9 produced when the contact, reduce the influence that outside vibrations caused lagging 9 and mesa 3.
Referring to fig. 1, the right end of the positive and negative tooth lead screw 4 runs through to the right side of the vertical plate 2 and is fixedly connected with a gear 12, the right side of the experiment table body 1 is fixedly connected with an electric telescopic rod 13, the output end of the electric telescopic rod 13 is fixedly connected with a toothed plate 14 located at the back of the gear 12, and the toothed plate 14 is meshed with the gear 12. Through setting up pinion rack 14, electric telescopic handle 13 and gear 12, can improve the degree of automation of laboratory bench body 1, can reach labour saving and time saving's effect, simultaneously can convenient to use person carry out and control positive and negative tooth lead screw 4's rotation angle, avoid positive and negative tooth lead screw 4 rotation excess.
Referring to fig. 2, the right side of the vertical plate 2 is fixedly connected with a positioning frame 15 sleeved on the surface of the positive and negative tooth screw rod 4, the positioning frame 15 is arranged on the left side of the gear 12, and the positioning frame 15 is movably connected with the positive and negative tooth screw rod 4 through a bearing. Through setting up locating frame 15, can play the effect of support to positive and negative tooth lead screw 4, can improve the area of contact of positive and negative tooth lead screw 4 with riser 2, prevent that positive and negative tooth lead screw 4 from leading to appearing the fracture because of the atress is too high.
Referring to fig. 3, a guide rod 16 is fixedly connected to the inner side of the vertical plate 2, the guide rod 16 penetrates through the screw sleeve 5 and is slidably connected with the screw sleeve 5, and the guide rod 16 is located at the bottom of the positive and negative threaded screw 4. Through setting up guide arm 16, can play the effect of direction to swivel nut 5, can improve swivel nut 5's stability, avoid swivel nut 5 to follow positive and negative tooth lead screw 4 rotatory at the removal in-process.
Referring to fig. 1, the top of the vertical plate 2 is fixedly connected with a bearing plate 17 sleeved on the surfaces of the positive and negative teeth screw rod 4 and the guide rod 16, the bearing plate 17 is located on the inner side of the threaded sleeve 5, the bearing plate 17 is movably connected with the positive and negative teeth screw rod 4 through a bearing, and the bearing plate 17 is fixedly connected with the guide rod 16. Through setting up bearing plate 17, can play the effect of support to positive and negative tooth lead screw 4 and guide arm 16, cut apart the axial length of positive and negative tooth lead screw 4 and guide arm 16, avoid positive and negative tooth lead screw 4 and guide arm 16 to appear bending deformation because of the bearing is too high.
The utility model discloses a theory of operation and use flow: during the use, the user carries out the experiment operation through laboratory bench body 1 and mesa 3, when needing to adjust the height of mesa 3, at first open electric telescopic handle 13, electric telescopic handle 13 drives gear 12 through pinion rack 14 and rotates, gear 12 drives positive and negative tooth lead screw 4 and rotates, positive and negative tooth lead screw 4 is rotatory to make two swivel nuts 5 move to both sides, swivel nut 5 drives the draw bar 8 and slides and pull the swing rod 7 and use connecting block 6 as the axle center gyration in the inside of swing rod 7 in the removal process, the one end that the draw bar 8 was kept away from to swing rod 7 drives bracing piece 10 and slides and pull race plate 9 and rise with mesa 3 in the inside of race plate 9, thereby reach the effect of adjusting the height of mesa 3.
In summary, the following steps: this laboratory bench with adjustable height, make two swivel nuts 5 to both sides removal through 4 rotations of positive and negative tooth lead screw, swivel nut 5 drives the traction lever 8 and slides and stimulate the pendulum rod 7 and use connecting block 6 to revolve round in opposite directions as the axle center in the inside of pendulum rod 7 at the removal in-process, the pendulum rod 7 is kept away from the one end of traction lever 8 and is driven bracing piece 10 and slide and stimulate the lagging 9 and rise together with mesa 3 in the inside of lagging 9, thereby reach the effect of adjusting the height of mesa 3, the effect that current laboratory bench does not possess height-adjusting has been solved, can't satisfy different height experimenters user demand, the travelling comfort of laboratory bench has been reduced, lead to the frequent problem that takes place of the unexpected condition in the experimentation.
Although the embodiments of the present invention and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, alterations, and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and thus the scope of the invention is not limited to the embodiments and drawings disclosed.
Claims (6)
1. The utility model provides a laboratory bench with adjustable height, includes laboratory bench body (1), its characterized in that: the top of the experiment table body (1) is fixedly connected with a vertical plate (2), the top of the vertical plate (2) is provided with a table top (3), the interior of the vertical plate (2) is movably connected with a positive and negative screw rod (4) through a bearing, the left side and the right side of the surface of the positive and negative screw rod (4) are both in threaded connection with a threaded sleeve (5), the left side and the right side of the top of the vertical plate (2) are both fixedly connected with connecting blocks (6) positioned at the two sides of the positive and negative screw rod (4), the interior of the connecting blocks (6) is movably connected with a swing rod (7) through a pin shaft, the front side and the back side of the threaded sleeve (5) are both fixedly connected with a traction rod (8) positioned inside the swing rod (7), the traction rod (8) is slidably connected with the swing rod (7), the bottom of the table top (3) is fixedly connected with a sleeve plate (9), one end, the supporting rod (10) is connected with the sleeve plate (9) in a sliding mode.
2. A height adjustable laboratory bench according to claim 1, wherein: the surface fixing of bracing piece (10) is connected with gum cover (11) that are located lagging (9) inside, the surface of gum cover (11) and the inner wall contact of lagging (9), the material of gum cover (11) is rubber.
3. A height adjustable laboratory bench according to claim 1, wherein: the right-hand member of positive and negative tooth lead screw (4) runs through right side and fixedly connected with gear (12) to riser (2), the right side fixedly connected with electric telescopic handle (13) of laboratory bench body (1), the output fixedly connected with of electric telescopic handle (13) is located pinion rack (14) at gear (12) back, pinion rack (14) and gear (12) meshing.
4. A height adjustable laboratory bench according to claim 3, wherein: the right side fixedly connected with cover of riser (2) is established at location frame (15) on positive and negative tooth lead screw (4) surface, the left side of location frame (15) gear (12), location frame (15) and positive and negative tooth lead screw (4) pass through bearing swing joint.
5. A height adjustable laboratory bench according to claim 1, wherein: the inner side of the vertical plate (2) is fixedly connected with a guide rod (16), the guide rod (16) penetrates through the threaded sleeve (5) and is in sliding connection with the threaded sleeve (5), and the guide rod (16) is located at the bottom of the positive and negative threaded screw (4).
6. A height adjustable laboratory bench according to claim 5, wherein: the top of the vertical plate (2) is fixedly connected with a bearing plate (17) which is sleeved on the surfaces of the positive and negative tooth lead screws (4) and the guide rods (16), the bearing plate (17) is located on the inner side of the threaded sleeve (5), the bearing plate (17) is movably connected with the positive and negative tooth lead screws (4) through bearings, and the bearing plate (17) is fixedly connected with the guide rods (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021223044.8U CN212663621U (en) | 2020-06-29 | 2020-06-29 | Experiment table with adjustable height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021223044.8U CN212663621U (en) | 2020-06-29 | 2020-06-29 | Experiment table with adjustable height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212663621U true CN212663621U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021223044.8U Active CN212663621U (en) | 2020-06-29 | 2020-06-29 | Experiment table with adjustable height |
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| Country | Link |
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| CN (1) | CN212663621U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417952A (en) * | 2021-07-08 | 2021-09-21 | 湖北万城节能有限公司 | Braking structure and braking method for water conservancy and hydropower equipment |
| CN113926506A (en) * | 2020-06-29 | 2022-01-14 | 天津市福音实验室设备有限公司 | Experiment table with adjustable height |
-
2020
- 2020-06-29 CN CN202021223044.8U patent/CN212663621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926506A (en) * | 2020-06-29 | 2022-01-14 | 天津市福音实验室设备有限公司 | Experiment table with adjustable height |
| CN113417952A (en) * | 2021-07-08 | 2021-09-21 | 湖北万城节能有限公司 | Braking structure and braking method for water conservancy and hydropower equipment |
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