CN209752947U - Elevating platform for physics experiments - Google Patents
Elevating platform for physics experiments Download PDFInfo
- Publication number
- CN209752947U CN209752947U CN201920163073.0U CN201920163073U CN209752947U CN 209752947 U CN209752947 U CN 209752947U CN 201920163073 U CN201920163073 U CN 201920163073U CN 209752947 U CN209752947 U CN 209752947U
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- lifting
- assembly
- support rod
- clamping
- sliding
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Abstract
The utility model discloses a elevating platform for physics experiments belongs to physics teaching equipment technical field. A lifting table for physical experiments comprises an installation base, a lifting assembly, a top plate assembly, a clamping assembly and a transmission assembly; through the stable stabilizer blade that utilizes drive assembly to drive to stretch out in the setting of the installation base left and right sides to through setting up lifting unit at installation base top surface, make drive assembly drive stable stabilizer blade and stretch out when utilizing lifting unit to drive roof subassembly and rise, the tight subassembly of clamp of rethread reversal roof subassembly side, thereby clip laboratory glassware, the utility model discloses compact structure, easy operation cliies it when can stabilize lift laboratory glassware, avoids falling of laboratory glassware.
Description
Technical Field
The utility model relates to a physics teaching equipment technical field, more specifically say, relate to a elevating platform for physics experiments.
Background
The physics experiment is the important means of physics teaching, it can not only deepen student's memory and understanding through the sense organ teaching, also can cultivate student's hands-on ability simultaneously, the elevating platform for the physics experiment is the device that is used for placing the physics experiment instrument, there are inconvenient removal, the lift process is unstable, the complicated phenomenon such as the operation of being not convenient for of current elevating platform for the physics experiment for the laboratory glassware drops from the elevating platform easily in the process of showing the laboratory glassware, in view of this, we propose an elevating platform for the physics experiment.
SUMMERY OF THE UTILITY MODEL
1. technical problem to be solved
an object of the utility model is to provide a elevating platform for physics experiments to solve the problem that proposes in the above-mentioned background art:
(1) The problem that the existing lifting platform for the physics experiment is unstable in lifting and is easy to drop experimental instruments is solved.
2. Technical scheme
A lifting table for physical experiments comprises an installation base, a lifting assembly, a top plate assembly, a clamping assembly and a transmission assembly;
Two sliding grooves are symmetrically formed in the top surface of the mounting base, close to one end of the mounting base, guide rods are fixedly embedded in the sliding grooves, the outer sides of the guide rods are connected with the lower end of the lifting assembly in a sliding mode, outer shells are welded at the front end and the rear end of the mounting base, stabilizing support legs are movably mounted on the left side and the right side of each outer shell respectively, and the two stabilizing support legs located at the front end are meshed and connected with the lower side of the lifting assembly through transmission assemblies to perform transmission;
The transmission assembly comprises a pinion, a rack A, a rack B, a rotating shaft and a gear wheel A, one end of the rotating shaft is connected with the front side face of the installation base in a rotating mode, the pinion is arranged on the rotating shaft close to one end of the rotating shaft in a fixed mode, the gear wheel A is fixedly arranged at the other end of the rotating shaft, the upper side of the gear wheel A is meshed with the lower side of the lifting assembly and connected with the bottom face of the rack A, the lower side of the pinion is meshed with the top face of the rack B and connected with the top face of the rack A, and the end portions of.
Preferably, the lifting assembly comprises a lifting bracket, a support rod A, a support rod B, a pin shaft, a movable seat, a fixed seat, a sliding protrusion, a fixed plate, a movable plate, a screw rod, a handle, a bearing and a bull gear B;
The top surface of the mounting base is symmetrically provided with two lifting supports, each lifting support is composed of a support rod A, a support rod B and a pin shaft hinged to the centers of the support rod A and the support rod B, the lower end of the support rod A is rotatably connected with the inner side of a movable seat, the middle part of the lower end of the movable seat is slidably connected with the outer side of a guide rod, the lower end of the support rod B is rotatably connected with the inner side of a fixed seat, the fixed seat is fixedly arranged on the mounting base, the upper ends of the support rod A and the support rod B are fixedly provided with a sliding bulge, the outer side of the sliding bulge is slidably connected with the inner part of the bottom surface of a top plate component, a fixed plate is fixedly arranged between the two fixed seats, a movable plate is fixedly arranged between the two movable seats, the end part of, the lower side of the bull gear B is in meshing transmission with the upper side of the bull gear A, and the other end of the screw rod is welded with a handle.
Preferably, the top plate assembly comprises a top plate, a movable groove, a bearing table and a hinge;
Two movable grooves are symmetrically formed in the bottom surface of the top plate, the inner wall of each movable groove is connected with the outer side of the corresponding sliding protrusion in a sliding mode, a bearing table is fixedly arranged on the top surface of the top plate, and a clamping assembly is hinged to one side of the bearing table through a hinge.
preferably, the clamping assembly comprises a clamping frame, a transverse clamping plate, a longitudinal clamping plate and a return spring;
The side face of the clamping frame is hinged to one side of the bearing platform, two transverse clamping plates are arranged in the clamping frame in parallel, two longitudinal clamping plates are arranged between the transverse clamping plates in parallel, and the transverse clamping plates and the longitudinal clamping plates are fixedly connected with the inner side of the clamping frame through reset springs.
3. Advantageous effects
compared with the prior art, the utility model has the advantages of:
(1) the utility model relates to a lifting platform for physical experiments, which is characterized in that the prior lifting platform for physical experiments has the phenomena of inconvenient movement, unstable lifting process, complex structure, inconvenient operation and the like, so that the experimental apparatus is easy to fall off from the lifting platform during the process of displaying the experimental apparatus, therefore, the left side and the right side of the mounting base are provided with the stable support legs which are driven to extend by the transmission component, the top surface of the mounting base is provided with the lifting component, the transmission component drives the stable support legs to extend out while the lifting component drives the top plate component to lift, and then the clamping component on the side surface of the top plate component is reversed, thereby clamping the experimental instrument, the utility model has compact structure and simple operation, can clamp the experimental instrument while stably lifting the experimental instrument, avoids the falling of the experimental instrument, therefore, the problems that the lifting platform for the existing physical experiment is unstable in lifting and is easy to drop experimental instruments are solved;
(2) the utility model discloses still be provided with lifting unit, roof subassembly and clamping unit, it rotates to drive the lead screw through waveing the handle, make fly leaf with lead screw threaded connection promote the sliding seat and remove in the sliding tray top, bracing piece A and the "X" shape structure that bracing piece B formed this moment, upper and lower contained angle diminishes, contained angle grow about, whole lifting unit lateral distance reduces, vertical distance risees, meanwhile, lifting support top swing joint's roof will rise plummer and clamping unit, reversal and plummer articulated press from both sides tight frame again, make it be located the plummer top, through the cross splint, thereby indulge splint and reset spring's extrusion force will place and press from both sides the laboratory glassware tight in the tight frame tightly and press from both sides tightly.
Drawings
fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a bottom view of the present invention with a partial structure;
FIG. 3 is a schematic view of the connection structure of the Chinese elevating assembly and the transmission assembly of the present invention;
fig. 4 is an exploded view of the lifting assembly of the present invention;
Fig. 5 is a schematic view of the middle clamping assembly and the connecting structure thereof.
The reference numbers in the figures illustrate: 1. installing a base; 100. a sliding groove; 101. a guide bar; 102. an outer housing; 103. a stabilizing foot; 2. a lifting assembly; 200. a lifting support; 201. a support rod A; 202. a support bar B; 203. a pin shaft; 204. a movable seat; 205. a fixed seat; 206. a sliding projection; 207. a fixing plate; 208. a movable plate; 209. a screw rod; 210. a handle; 211. a bearing; 212. a bull gear B; 3. a top plate assembly; 300. a top plate; 301. a movable groove; 302. a bearing table; 303. a hinge; 4. a clamping assembly; 400. clamping the frame; 401. a transverse splint; 402. a longitudinal splint; 403. a return spring; 5. a transmission assembly; 500. a pinion gear; 501. a rack A; 502. a rack B; 503. a rotating shaft; 504. the gearwheel A.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
Example 1: please refer to fig. 1;
A lifting table for physical experiments comprises a mounting base 1, a lifting assembly 2, a top plate assembly 3, a clamping assembly 4 and a transmission assembly 5;
two sliding grooves 100 are symmetrically formed in the top surface of the mounting base 1 close to one end, a guide rod 101 is fixedly embedded in each sliding groove 100, the outer side of each guide rod 101 is connected with the lower end of the lifting assembly 2 in a sliding mode, outer shells 102 are welded at the front end and the rear end of the mounting base 1, stabilizing support legs 103 are movably mounted on the left side and the right side of each outer shell 102 respectively, and the two stabilizing support legs 103 located at the front ends are connected with the lower side of the lifting assembly 2 in a meshing mode through transmission assemblies 5 to perform transmission;
The transmission assembly 5 comprises a pinion 500, a rack A501, a rack B502, a rotating shaft 503 and a bull gear A504, one end of the rotating shaft 503 is rotatably connected with the front side face of the installation base 1, the position of the rotating shaft 503 close to one end is fixedly provided with the pinion 500, the other end of the rotating shaft 503 is fixedly provided with the bull gear A504, the upper side of the bull gear A504 is meshed with the lower side of the lifting assembly 2, the upper side of the pinion 500 is meshed with the bottom face of the rack A501, the lower side of the pinion 500 is meshed with the top face of the rack B502, and the end parts of the rack A501 and.
The utility model relates to a lifting platform for physical experiments, which is characterized in that the prior lifting platform for physical experiments has the phenomena of inconvenient movement, unstable lifting process, complex structure, inconvenient operation and the like, so that the experimental apparatus is easy to fall off from the lifting platform during the process of displaying the experimental apparatus, therefore, the left side and the right side of the installation base 1 are provided with the stable support legs 103 which are driven to extend by the transmission component 5, the lifting component 2 is arranged on the top surface of the mounting base 1, the transmission component 5 drives the stable supporting foot 103 to extend out while the lifting component 2 drives the top plate component 3 to lift, and then the clamping component 4 on the side surface of the top plate component 3 is reversed, thereby clamping the experimental instrument, the utility model has compact structure and simple operation, can stably lift the experimental instrument and simultaneously clamp the experimental instrument, avoids the falling of the experimental instrument, thereby solve current elevating platform for physics experiments and go up and down unstability and the problem of falling the laboratory glassware easily.
example 2: referring to FIGS. 2-3, the basic difference between the embodiments 1 is that;
The lifting assembly 2 comprises a lifting bracket 200, a support rod A201, a support rod B202, a pin shaft 203, a movable seat 204, a fixed seat 205, a sliding protrusion 206, a fixed plate 207, a movable plate 208, a screw rod 209, a handle 210, a bearing 211 and a bull gear B212;
two lifting brackets 200 are symmetrically arranged on the top surface of the mounting base 1, each lifting bracket 200 is composed of a support rod A201, a support rod B202 and a pin shaft 203 hinged with the centers of the support rod A201 and the support rod B202, the lower end of the support rod A201 is rotatably connected with the inner side of a movable seat 204, the middle part of the lower end of the movable seat 204 is slidably connected with the outer side of a guide rod 101, the lower end of the support rod B202 is rotatably connected with the inner side of a fixed seat 205, a fixed seat 205 is fixedly arranged on the mounting base 1, the upper ends of the support rod A201 and the support rod B202 are both fixedly provided with a sliding bulge 206, the outer side of the sliding bulge 206 is slidably connected with the inner part of the bottom surface of a top plate component 3, a fixed plate 207 is fixedly arranged between the two fixed seats 205, a movable plate 208 is fixedly arranged between the, the lower side of the bull gear B212 is in meshing transmission with the upper side of the bull gear A504, and the other end of the screw rod 209 is welded with a handle 210.
the top plate component 3 comprises a top plate 300, a movable groove 301, a bearing platform 302 and a hinge 303;
two movable grooves 301 are symmetrically formed in the bottom surface of the top plate 300, the inner wall of each movable groove 301 is connected with the outer side of the corresponding sliding protrusion 206 in a sliding mode, a bearing table 302 is fixedly arranged on the top surface of the top plate 300, and one side of the bearing table 302 is hinged to a clamping assembly 4 through a hinge 303.
the clamping assembly 4 comprises a clamping frame 400, a transverse clamping plate 401, a longitudinal clamping plate 402 and a return spring 403;
the side of the clamping frame 400 is hinged with one side of the bearing platform 302, two transverse clamping plates 401 are arranged in the clamping frame 400 in parallel, two longitudinal clamping plates 402 are arranged between the two transverse clamping plates 401 in parallel, and the transverse clamping plates 401 and the longitudinal clamping plates 402 are both fixedly connected with the inner side of the clamping frame 400 through reset springs 403.
the utility model discloses still be provided with lifting unit 2, roof subassembly 3 and clamping unit 4, it rotates to drive lead screw 209 through waveing handle 210, make fly leaf 208 with lead screw 209 threaded connection promote sliding seat 204 and remove in sliding tray 100 top, the "X" shape structure that bracing piece A201 and bracing piece B202 formed this moment, the contained angle from top to bottom diminishes, contained angle grow from left to right, 2 transverse distance of whole lifting unit reduces, vertical distance risees, meanwhile lifting support 200 top swing joint's roof 300 will bear platform 302 and clamping unit 4 rise, reversal and bear platform 302 articulated clamp frame 400 again, make it be located bear platform 302 top, through horizontal splint 401, thereby indulge splint 402 and reset spring 403's extrusion force will place and clamp the laboratory glassware in the frame 400 tightly.
The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model. Furthermore, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. Several elements of the plurality recited in the product claims may be implemented by one element in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (4)
1. The utility model provides a elevating platform for physics experiments, includes installation base (1), its characterized in that: the device also comprises a lifting component (2), a top plate component (3), a clamping component (4) and a transmission component (5);
Two sliding grooves (100) are symmetrically formed in the position, close to one end, of the top surface of the installation base (1), a guide rod (101) is fixedly embedded in each sliding groove (100), the outer side of each guide rod (101) is connected with the lower end of the lifting assembly (2) in a sliding mode, outer shells (102) are welded at the front end and the rear end of the installation base (1), stabilizing support legs (103) are movably installed on the left side and the right side of each outer shell (102) respectively, and the two stabilizing support legs (103) located at the front end are meshed and connected with the lower side of the lifting assembly (2) through transmission assemblies (5) to perform transmission;
Drive assembly (5) include pinion (500), rack A (501), rack B (502), pivot (503) and gear wheel A (504), pivot (503) one end is rotated with installation base (1) leading flank and is connected, the fixed position that is close to one end in pivot (503) is provided with pinion (500), pivot (503) other end is fixed and is provided with gear wheel A (504), gear wheel A (504) upside is connected with lifting unit (2) downside meshing, pinion (500) upside is connected with rack A (501) bottom surface meshing, pinion (500) downside is connected with rack B (502) top surface meshing, just rack A (501) and rack B (502) tip all with stable stabilizer blade (103) fixed connection.
2. the lifting platform for the physical experiment according to claim 1, characterized in that: the lifting assembly (2) comprises a lifting support (200), a support rod A (201), a support rod B (202), a pin shaft (203), a movable seat (204), a fixed seat (205), a sliding protrusion (206), a fixed plate (207), a movable plate (208), a screw rod (209), a handle (210), a bearing (211) and a bull gear B (212);
The top surface of the mounting base (1) is symmetrically provided with two lifting supports (200), each lifting support (200) is composed of a support rod A (201), a support rod B (202) and a pin shaft (203) hinged to the centers of the support rod A (201) and the support rod B (202), the lower end of the support rod A (201) is rotatably connected with the inner side of a movable seat (204), the middle of the lower end of the movable seat (204) is slidably connected with the outer side of a guide rod (101), the lower end of the support rod B (202) is rotatably connected with the inner side of a fixed seat (205), the fixed seat (205) is fixedly arranged on the mounting base (1), the upper ends of the support rod A (201) and the support rod B (202) are fixedly provided with sliding bulges (206), the outer side of each sliding bulge (206) is slidably connected with the inner side of the bottom surface of the top plate assembly (3), a fixed plate (207), lead screw (209) tip is passed through bearing (211) and is connected with fixed plate (207) inboard middle part rotation, lead screw (209) other end outside and fly leaf (208) middle part threaded connection, lead screw (209) are close to the rigidity of the other end and are provided with gear wheel B (212), gear wheel B (212) downside and gear wheel A (504) upside meshing transmission, handle (210) have still been welded to lead screw (209) other end.
3. the lifting platform for the physical experiment according to claim 2, characterized in that: the top plate assembly (3) comprises a top plate (300), a movable groove (301), a bearing table (302) and a hinge (303);
Two activity grooves (301) have been seted up to roof (300) bottom surface symmetry, activity groove (301) inner wall and the protruding (206) outside sliding connection that slides, roof (300) top surface is fixed and is provided with plummer (302), plummer (302) one side is articulated through hinge (303) has clamping component (4).
4. The lifting platform for the physical experiment according to claim 3, characterized in that: the clamping assembly (4) comprises a clamping frame (400), a transverse clamping plate (401), a longitudinal clamping plate (402) and a return spring (403);
Press from both sides tight frame (400) side and plummer (302) one side articulated, press from both sides parallel arrangement in tight frame (400) and have two horizontal splint (401), two parallel arrangement has two to indulge splint (402) between horizontal splint (401), horizontal splint (401) and indulge splint (402) all through reset spring (403) and press from both sides tight frame (400) inboard fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163073.0U CN209752947U (en) | 2019-01-30 | 2019-01-30 | Elevating platform for physics experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920163073.0U CN209752947U (en) | 2019-01-30 | 2019-01-30 | Elevating platform for physics experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209752947U true CN209752947U (en) | 2019-12-10 |
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ID=68751039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920163073.0U Expired - Fee Related CN209752947U (en) | 2019-01-30 | 2019-01-30 | Elevating platform for physics experiments |
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| Country | Link |
|---|---|
| CN (1) | CN209752947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760603A (en) * | 2020-07-03 | 2020-10-13 | 大连海洋大学 | Adjustable multifunctional physical experiment lifting table |
| CN113455862A (en) * | 2021-08-13 | 2021-10-01 | 周口师范学院 | Reference object placing table for art painting |
-
2019
- 2019-01-30 CN CN201920163073.0U patent/CN209752947U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111760603A (en) * | 2020-07-03 | 2020-10-13 | 大连海洋大学 | Adjustable multifunctional physical experiment lifting table |
| CN113455862A (en) * | 2021-08-13 | 2021-10-01 | 周口师范学院 | Reference object placing table for art painting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210130 |