CN210252358U

CN210252358U - University's physics experiment table

Info

Publication number: CN210252358U
Application number: CN201920519370.4U
Authority: CN
Inventors: 白金泉; 李丽; 曹亚杰; 薛冠非; 张良
Original assignee: Jiamusi University
Current assignee: Jiamusi University
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-04-07
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a college physics experiment table, which comprises a table top, two table legs and two level rulers, wherein the two level rulers are vertically arranged on the table top, the table legs comprise a base, a bottom tube, a screw rod, an upper tube and a control structure, the upper tube is fixedly arranged at the bottom of the table top, one end of the screw rod is in threaded fit with the upper tube, the other end of the screw rod is rotatably arranged in the bottom tube, the bottom of the bottom tube is fixedly arranged with the base, the control structure comprises a bracelet and a driving ring, the bottom tube comprises an upper tube and a lower tube sleeve, the opposite end surfaces of the upper tube and the lower tube sleeve are correspondingly provided with annular grooves, the side surfaces of the upper tube and the lower tube sleeve are provided with annular chutes close to the end surfaces, the surface of an inner hole of the driving ring is provided with threads matched with the screw rod, the, is convenient to use.

Description

University's physics experiment table

Technical Field

The utility model relates to a technical field of college physics specifically is a college physics experiment table.

Background

College physics is a basic course of college science and technology, and students are familiar with the basic rules of structure, property, interaction and movement of natural substances through the study of the course, so that a necessary physical basis is laid for the study of subsequent professional bases and professional courses and further acquisition of related knowledge. However, the major teaching in the technical profession is based on the mechanics and electromagnetism.

University's physics needs a lot of experiments for deepen student's impression, but the laboratory table is fixed height, after long-time low head experiment, often dizzy and dim eyesight, also have some adjustable height's laboratory table in the past, but, the phenomenon that the desktop is uneven can appear after the adjustment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a college physics experiment table can go up and down the desktop height, and it is convenient to adjust.

In order to achieve the above object, the utility model provides a following technical scheme: a college physics experiment table comprises a table top, table legs and level rulers, wherein the level rulers are arranged in two, the two level rulers are vertically arranged on the table top, the table legs comprise a base, a bottom pipe, a screw rod, an upper pipe and a control structure, the upper pipe is fixedly arranged at the bottom of the table top, one end of the screw rod is in threaded fit with the upper pipe, the other end of the screw rod is rotatably arranged in the bottom pipe, the base is fixedly arranged at the bottom of the bottom pipe, the control structure comprises a bracelet and a transmission ring, the bottom pipe comprises an upper pipe and a lower pipe sleeve, the opposite end surfaces of the upper pipe and the lower pipe sleeve are correspondingly provided with annular grooves, the positions close to the end surfaces on the side surfaces of the upper pipe and the lower pipe sleeve are provided with annular chutes, the surface of an inner hole of the transmission ring is provided with threads in threaded fit with the screw rod, the rotatable installation of driving ring is between upper portion pipe and lower part pipe box to with screw rod screw-thread fit, the last lower limb on the hole surface of bracelet all is provided with annular slide rail, and the bracelet suit is in the outside of driving ring, and annular slide rail slidable installs in annular spout to piece upper portion pipe and lower part pipe box at the upper and lower terminal surface of driving ring, bracelet hole middle part is provided with the rack with the tooth meshing of driving ring outside surface.

Preferably, the lower pipe sleeve comprises a pipe fitting and a bottom, a bearing is arranged on the upper end face of the bottom, the other end of the screw rod is installed in the bearing, the bottom is fixedly installed at the bottom of the pipe fitting through a screw, threads are arranged on the side face of the lower portion of the bottom, a screw hole is formed in the top of the base, and the bottom is in threaded connection with the screw hole.

Preferably, the side of upper tube has seted up the spout, the bottom tube inboard is provided with the slide rail, slide rail and spout sliding fit, the upper tube slidable wears to establish in the bottom tube.

Preferably, a vertical plate is vertically arranged on the table top.

Preferably, one of the horizontal rulers is installed on the table top, and the other horizontal ruler is installed at the top of the vertical plate.

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

through rotating the rotation that the bracelet drove the transmission ring, the transmission ring drove the screw rod and rotates to the top tube takes place to go up and down under this action, realizes the lift process of a bight of control desktop, and the level bar of setting conveniently detects the horizon degree of desktop.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a sectional view of the table leg of the present invention;

FIG. 4 is an enlarged view of the utility model at A;

FIG. 5 is an enlarged view of the utility model at B;

fig. 6 is an enlarged view of the position C of the present invention.

In the figure: the table comprises a table top-1, table legs-2, a horizontal ruler-3, a vertical plate-4, a base-5, a bottom tube-6, a screw rod-7, an upper tube-8, a hand ring-9, a transmission ring-10, an upper tube-11, a lower tube sleeve-12, a chute-13, a slide rail-14, an annular groove-15, an annular chute-16, an annular block-17, an annular slide rail-18, a rack-19, a bearing-20, a pipe fitting-21, a bottom-22 and a screw-23.

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 the drawings, the utility model provides a technical scheme: a university physics experiment table comprises a table top 1, table legs 2 and level rulers 3, wherein the level rulers 3 are arranged in two, a vertical plate 4 is vertically arranged on the table top 1, one level ruler 3 is arranged on the table top 1, the other level ruler is arranged at the top of the vertical plate 4, the two level rulers 3 are mutually vertical, the table legs 2 comprise a base 5, a bottom tube 6, a screw rod 7, an upper tube 8 and a control structure, the upper tube 8 is fixedly arranged at the bottom of the table top 1, one end of the screw rod 7 is in threaded fit with the upper tube 8, the other end of the screw rod 7 is rotatably arranged in the bottom tube 6, the base 5 is fixedly arranged at the bottom of the bottom tube 6, a chute 13 is arranged on the side surface of the upper tube 8, a slide rail 14 is arranged on the inner side of the bottom tube 6, the slide rail 14 is in sliding fit with the chute 13, the, the bottom tube 6 comprises an upper tube 11 and a lower tube sleeve 12, an annular groove 15 is correspondingly arranged on the relative end surface of the upper tube 11 and the lower tube sleeve 12, an annular chute 16 is arranged on the side surface of the upper tube 11 and the lower tube sleeve 12 close to the end surface, a screw thread matched with the screw 7 is arranged on the inner hole surface of the transmission ring 9, teeth are arranged on the outer side surface, an annular block 17 movably matched with the annular groove 16 is arranged on the upper end surface and the lower end surface of the transmission ring 9, the transmission ring 9 is rotatably arranged between the upper tube 11 and the lower tube sleeve 12 and is in threaded fit with the screw 7, annular slide rails 18 are arranged on the upper edge and the lower edge of the inner hole surface of the hand ring 10, the hand ring 10 is sleeved on the outer side of the transmission ring 9, the annular slide rails 18 are slidably arranged in the annular chute 16, and the upper tube 11 and the lower, so far, bottom tube 6 can support desktop 1 under bracelet 10's fixed completely, bracelet 10 hole middle part is provided with the rack 19 with the tooth meshing of driving ring 9 outside surface.

Preferably, the lower pipe sleeve 12 includes a pipe 21 and a bottom 22, a bearing 20 is disposed on an upper end surface of the bottom 22, the other end of the screw 7 is installed in the bearing 20, the bottom 22 is fixedly installed at the bottom of the pipe 21 by a screw 23, a thread is disposed on a lower side surface of the bottom 22, a screw hole 24 is formed in the top of the base 5, and the bottom 22 is screwed in the screw hole 24.

Operating principle of the control structure:

when the hand wheel 10 is rotated, the driving ring 9 is rotated because the rack 19 and the teeth are meshed, and simultaneously, the screw 7 is rotated under the thread fit, and the upper pipe 8 is not rotated, so that the upper pipe 8 correspondingly generates lifting action under the positive pressure between the threads.

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 university's physics experiment table, includes desktop and table leg, its characterized in that, still includes the level bar, the level bar sets up two, mutually perpendicular's installation on the desktop, the table leg includes base, bottom tube, screw rod, top tube and control structure, top tube fixed mounting is in the desktop bottom, screw rod one end screw-thread fit is in the top tube, and the other end of screw rod is rotatable to be installed in the bottom tube, bottom tube bottom fixed mounting has the base, control structure includes bracelet and driving ring, the bottom tube includes upper portion pipe and lower part pipe box, the corresponding ring channel that has seted up on the terminal surface that upper portion pipe and lower part pipe box are relative, the position that is close to this terminal surface on the side of upper portion pipe and lower part pipe box has seted up annular spout, the hole surface of driving ring be provided with screw rod screw-thread fit's, the upper and lower terminal surface of driving ring all be provided with ring channel sliding fit's annular piece, the rotatable installation of driving ring is between upper portion pipe and lower part pipe box to with screw rod screw-thread fit, the last lower limb on the hole surface of bracelet all is provided with annular slide rail, and the bracelet suit is in the outside of driving ring, and annular slide rail slidable installs in annular spout to manage upper portion and lower part pipe box piece together the upper and lower terminal surface at the driving ring, bracelet hole middle part be provided with the rack of the tooth meshing of driving ring outside surface.

2. A university physical laboratory table, according to claim 1, wherein: the lower pipe sleeve comprises a pipe fitting and a bottom, a bearing is arranged on the upper end face of the bottom, the other end of the screw rod is installed in the bearing, the bottom is fixedly installed at the bottom of the pipe fitting through a screw, threads are arranged on the side face of the lower portion of the bottom, a screw hole is formed in the top of the base, and the bottom is in threaded connection with the screw hole.

3. A university physical laboratory table, according to claim 1, wherein: the spout has been seted up to the side of top tube, the bottom tube inboard is provided with the slide rail, slide rail and spout sliding fit, the top tube slidable wears to establish in the bottom tube.

4. A university physical laboratory table, according to claim 1, wherein: the desktop is vertically provided with a vertical plate.

5. The university physical laboratory table as set forth in claim 4, wherein: one of the horizontal rulers is arranged on the table top, and the other horizontal ruler is arranged at the top of the vertical plate.