CN213254543U

CN213254543U - A instrument stand for teaching

Info

Publication number: CN213254543U
Application number: CN202022089265.7U
Authority: CN
Inventors: 郑健
Original assignee: Fujian Bochuang Dacheng Construction Co ltd
Current assignee: Fujian Bochuang Dacheng Construction Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-25
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses an instrument support for teaching, including the U-shaped fixing base, slidable mounting has splint on the top inner wall of U-shaped fixing base, and the right side of splint is rotated and is installed T shape screw rod, and U-shaped fixing base thread bush is established on T shape screw rod, the left side inner wall of U-shaped fixing base and the left side of splint all bond and be fixed with anti-skidding cushion, the below of U-shaped fixing base is equipped with the base, and top one side fixedly connected with rectangle branch of base, and the slidable mounting is equipped with the rectangular pipe on the rectangle branch, and the top fixedly connected with roof of rectangular pipe is provided with the spherical chamber that the opening set up with the bottom on the roof, and spherical intracavity activity inlays and is equipped with universal ball. The utility model relates to a rationally, easy and simple to handle, be convenient for fast fixed to chemical instrumentation, and be convenient for according to actual need quick adjustment chemical instrumentation's height and gradient, improve application scope, satisfy the user demand, be favorable to the use.

Description

A instrument stand for teaching

Technical Field

The utility model relates to an instrument stand technical field especially relates to an instrument stand for teaching.

Background

Chemistry is one of natural science, and the science of research matter nature, constitution, structure and change law on molecule, atomic layer degree need use a large amount of teaching instruments and instruments in the teaching process of chemistry to increase the efficiency of chemistry teaching, need use the support to fix or support the instrument in the chemistry teaching of school, multiple instrument and tools such as fixed test tube and volumetric flask.

The existing instrument support for teaching has the defects of simple structure, inconvenience in quick height and instrument inclination angle adjustment and limited application range, and the height position and the inclination of a tool instrument are required to be adjusted according to the operation condition in chemical teaching, so that the instrument support for teaching is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an instrument support for teaching.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an instrument support for teaching comprises a U-shaped fixing seat, wherein a clamping plate is slidably mounted on the inner wall of the top of the U-shaped fixing seat, a T-shaped screw rod is rotatably mounted on the right side of the clamping plate, a U-shaped fixing seat threaded sleeve is arranged on the T-shaped screw rod, an anti-skidding rubber pad is fixedly bonded on the inner wall of the left side of the U-shaped fixing seat and the left side of the clamping plate, a base is arranged below the U-shaped fixing seat, a rectangular supporting rod is fixedly connected to one side of the top of the base, a rectangular pipe is slidably mounted on the rectangular supporting rod, a top plate is fixedly connected to the top end of the rectangular pipe, a spherical cavity with an opening is formed in the top and the bottom of the spherical cavity, and a universal ball is movably embedded in the spherical cavity;

the inner wall of the left side of the spherical cavity is provided with a rectangular groove, the inner wall of the bottom of the rectangular groove is rotatably provided with a first screw rod, the bottom end of the first screw rod extends into the rectangular pipe, a rectangular support rod is sleeved on the first screw rod in a threaded manner, the top end of the first screw rod is provided with a square groove, a square rod is sleeved in the square groove in a sliding manner, the top end of the square rod extends to the upper part of the top plate and is fixedly connected with a knob, a rectangular block is sleeved in the rectangular groove in a sliding manner, the right side of the rectangular block is provided with an arc-shaped mechanism and is fixedly connected with a plurality of sharp blocks, the sharp end of each sharp block is movably contacted with the left side of the universal ball, a vertical rod is fixedly connected between the inner wall of the top of the rectangular groove and the inner wall of the bottom, a plurality of compression springs are fixedly connected between the right side, the top of the left side of the rectangular block is fixedly connected with a soft steel wire rope, and one end of the soft steel wire rope is wound around the top of the fixed pulley and is fixedly connected with the top of the annular plate.

Preferably, a round hole is formed in the inner wall of the bottom of the rectangular groove, a first bearing is fixedly sleeved in the round hole, an inner ring of the first bearing is welded and fixed with the outer side of the first screw rod, a first threaded hole is formed in the top end of the rectangular supporting rod, and the first threaded hole is in threaded connection with the first screw rod.

Preferably, the annular plate is internally fixedly sleeved with a second bearing, and the inner ring of the second bearing is welded and sleeved with the outer side of the square rod.

Preferably, the outer side of the universal ball is bonded and coated with an anti-slip rubber sheet, and the tip of the pointed block is in close contact with the outer side of the anti-slip rubber sheet.

Preferably, the left side of the vertical rod is fixedly connected with a first T-shaped sliding rail, the right side of the annular plate is provided with a first T-shaped sliding groove, the top and the bottom of the first T-shaped sliding groove are both arranged in an opening, and the first T-shaped sliding groove is connected with the first T-shaped sliding rail in a sliding mode.

Preferably, a circular through hole is formed in the inner wall of the top of the rectangular groove, the square rod is located in the circular through hole, and the inner wall of the circular through hole is not in contact with the outer side of the square rod.

Preferably, a round hole is formed in the top of the right side of the vertical rod, the flexible steel wire rope is located in the round hole, and the side wall of the round hole is not in contact with the outer side of the flexible steel wire rope.

Preferably, a second threaded hole is formed in the inner wall of the right side of the U-shaped fixing seat and in threaded connection with the T-shaped screw, a third bearing is fixedly connected to the right side of the clamping plate, and an inner ring of the third bearing is fixedly sleeved with the outer side of the T-shaped screw.

Preferably, a second T-shaped sliding rail is fixedly connected to the inner wall of the top of the U-shaped fixing seat, a second T-shaped sliding groove with two sides being provided with openings is formed in the top of the clamping plate, and the second T-shaped sliding groove is connected with the second T-shaped sliding rail in a sliding mode.

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

by matching a U-shaped fixed seat, a clamping plate, an anti-skidding rubber cushion, a T-shaped screw rod, a rectangular supporting rod, a rectangular pipe, a top plate, a spherical cavity, a universal ball, a rectangular groove, a rectangular block, a sharp block, a compression spring, a first screw rod, a knob, a square rod, an annular plate, a fixed pulley, a soft steel wire rope and a square groove with a vertical rod, inserting the top of a chemical instrument into the U-shaped fixed seat, then forwardly rotating the T-shaped screw rod to move leftwards and drive the clamping plate to clamp the chemical instrument, when the height is adjusted, forwardly rotating the knob to drive the square rod to rotate, the square rod drives the first screw rod to rotate through the square groove, the first screw rod rotates and moves upwards in a first threaded hole, at the moment, the first screw rod drives the rectangular pipe to slide upwards on the rectangular supporting rod through the top plate, the top plate drives the U-shaped fixed seat and the chemical instrument clamped by the universal ball to move upwards for adjustment, when the, the square bar passes through the annular plate and drives soft wire rope and slide at the top of fixed pulley, soft wire rope pulling rectangular block slides to the left in the rectangular channel and compresses compression spring, the rectangular block drives a plurality of sharp pieces and separates with universal ball left, personnel alright this moment all around the slope rotate the U-shaped fixing base and drive universal ball and slide in spherical chamber, after the slope adjustment is suitable, relax the pressing force to the knob, the elasticity of a plurality of compression springs that is in compression state passes through the rectangular block and drives a plurality of sharp pieces and the outside in close contact with of the anti-skidding rubber in the universal ball outside left, this moment under the frictional force of a plurality of sharp pieces and anti-skidding rubber, realize the fixed to universal ball, thereby reach the position after the slope adjustment of fixed chemical instrumentation, realize the purpose of quick adjustment height and gradient.

The utility model relates to a rationally, easy and simple to handle, be convenient for fast fixed to chemical instrumentation, and be convenient for according to actual need quick adjustment chemical instrumentation's height and gradient, improve application scope, satisfy the user demand, be favorable to the use.

Drawings

Fig. 1 is a schematic structural view of an instrument holder for teaching according to the present invention;

fig. 2 is a schematic cross-sectional structural view of an instrument holder for teaching according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 100U-shaped fixing seats, 101 clamping plates, 102 anti-skidding rubber pads, 103T-shaped screw rods, 1 rectangular supporting rod, 2 rectangular pipes, 3 top plates, 4 spherical cavities, 5 universal balls, 6 rectangular grooves, 7 rectangular blocks, 8 pointed blocks, 9 compression springs, 10 first screw rods, 11 knobs, 12 square rods, 13 annular plates, 14 fixed pulleys, 15 soft steel wire ropes, 16 square grooves and 17 vertical rods.

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.

Referring to fig. 1-3, an instrument support for teaching comprises a U-shaped fixing seat 100, a clamping plate 101 is slidably mounted on the inner wall of the top of the U-shaped fixing seat 100, a T-shaped screw 103 is rotatably mounted on the right side of the clamping plate 101, the U-shaped fixing seat 100 is in threaded sleeve connection with the T-shaped screw 103, an anti-skid rubber pad 102 is fixedly bonded on the inner wall of the left side of the U-shaped fixing seat 100 and the left side of the clamping plate 101, a base is arranged below the U-shaped fixing seat 100, a rectangular supporting rod 1 is fixedly connected to one side of the top of the base, a rectangular tube 2 is slidably sleeved on the rectangular supporting rod 1, a top plate 3 is fixedly connected to the top end of the rectangular tube 2, a spherical cavity 4 with an opening at the top and the bottom is arranged on the top plate 3, a universal ball 5 is movably embedded in the spherical cavity 4;

a rectangular groove 6 is arranged on the inner wall of the left side of the spherical cavity 4, a first screw rod 10 is rotatably arranged on the inner wall of the bottom of the rectangular groove 6, the bottom end of the first screw rod 10 extends into the rectangular pipe 2, a rectangular support rod 1 is sleeved on the first screw rod 10 in a threaded manner, a square groove 16 is arranged at the top end of the first screw rod 10, a square rod 12 is sleeved in the square groove 16 in a sliding manner, the top end of the square rod 12 extends to the upper side of the top plate 3 and is fixedly connected with a knob 11, a rectangular block 7 is sleeved in the rectangular groove 6 in the sliding manner, the right side of the rectangular block 7 is provided with an arc-shaped mechanism and is fixedly connected with a plurality of sharp blocks 8, the sharp ends of the sharp blocks 8 are movably contacted with the left side of the universal ball 5, a vertical rod 17 is fixedly connected between the inner wall of the top and the inner walls of the bottom of the rectangular groove, and annular plate 13 rotates the cover and establishes on square pole 12, and the left side top of montant 17 rotates and installs fixed pulley 14, and the soft wire rope 15 of left side top fixedly connected with of rectangular block 7, and the one end of soft wire rope 15 walk around the top of fixed pulley 14 and with annular plate 13's top fixed connection, the utility model relates to a rationally, easy and simple to handle, be convenient for fast fixed to chemical instrumentation, and be convenient for according to actual need quick adjustment chemical instrumentation's height and gradient, improve application scope, satisfy the user demand, be favorable to using.

In the utility model, a round hole is arranged on the inner wall of the bottom of the rectangular groove 6, a first bearing is fixedly sleeved in the round hole, the inner ring of the first bearing is welded and fixed with the outer side of the first screw rod 10, a first threaded hole is arranged at the top end of the rectangular support rod 1, the first threaded hole is in threaded connection with the first screw rod 10, a second bearing is fixedly sleeved in the annular plate 13, the inner ring of the second bearing is welded and sleeved with the outer side of the square rod 12, the outer side of the universal ball 5 is bonded and coated with the anti-slip rubber, the tip of the sharp block 8 is in close contact with the outer side of the anti-slip rubber, the left side of the vertical rod 17 is fixedly connected with a first T-shaped slide rail, the right side of the annular plate 13 is provided with a first T-shaped slide groove with the top and the bottom both being open, the first T-shaped slide rail is in sliding connection with the first T-shaped slide rail, a round perforation is arranged on the inner wall of the, the top of the right side of the vertical rod 17 is provided with a round hole, the soft steel wire rope 15 is positioned in the round hole, the side wall of the round hole is not contacted with the outer side of the soft steel wire rope 15, the inner wall of the right side of the U-shaped fixed seat 100 is provided with a second threaded hole, the second threaded hole is in threaded connection with the T-shaped screw 103, the right side of the clamping plate 101 is fixedly connected with a third bearing, the inner ring of the third bearing is fixedly sleeved with the outer side of the T-shaped screw 103, the inner wall of the top of the U-shaped fixed seat 100 is fixedly connected with a second T-shaped sliding rail, the top of the clamping plate 101 is provided with a second T-shaped sliding groove with two sides provided with openings, and the second T-shaped sliding chute is connected with the second T-shaped sliding rail in a sliding way, the utility model has reasonable design and simple and convenient operation, is convenient for quickly fixing chemical instruments, and the height and the gradient of the chemical instrument can be adjusted conveniently and rapidly according to actual needs, the application range is improved, the use requirements are met, and the use is facilitated.

The working principle is as follows: when a chemical instrument is fixed, such as a test tube or a volumetric flask in the chemical instrument, the top of the test tube or the volumetric flask is inserted into the U-shaped fixing seat 100, then the T-shaped screw 103 is rotated in the forward direction, the T-shaped screw 103 is rotated and moved leftwards under the action of a second threaded hole formed in the U-shaped fixing seat 100, at the moment, the T-shaped screw 103 drives the clamping plate 101 to slide leftwards on a second T-shaped sliding rail, and the clamping plate 101 drives the anti-skid rubber pad 102 on the right side to be pressed rightwards on the right side of the chemical instrument, so that the purpose of rapidly clamping the chemical instrument is achieved, and rapid fixation is realized;

when the height needs to be adjusted, the knob 11 is rotated in the forward direction, the knob 11 drives the square rod 12 to rotate in the annular plate 13, the square rod 12 drives the first screw rod 10 to rotate through the square groove 16, under the action of a first threaded hole formed in the top end of the rectangular supporting rod 1, the first screw rod 10 rotates in the first threaded hole and moves upwards, at the moment, the first screw rod 10 drives the top plate 3 to move upwards through the first bearing, the top plate 3 drives the rectangular pipe 2 to slide upwards on the rectangular supporting rod 1, and meanwhile, the top plate 3 drives the U-shaped fixing seat 100 to move upwards through the universal ball 5, so that the clamped chemical instrument can be driven to move upwards for adjustment, and the purpose of adjusting the height of the chemical instrument is achieved;

when the inclination needs to be adjusted, the knob 11 is pressed downwards, the knob 11 drives the square rod 12 to slide downwards in the square groove 16, the square rod 12 drives the annular plate 13 to slide downwards on the first T-shaped slide rail, the annular plate 13 drives the soft steel wire rope 15 to slide on the top of the fixed pulley 14, the soft steel wire rope 15 drives the rectangular block 7 to slide leftwards in the rectangular groove 6 and compress the compression spring 9, the rectangular block 7 drives the plurality of pointed blocks 8 to separate leftwards from the universal ball 5, at the moment, a person can tilt and rotate the U-shaped fixing seat 100 leftwards and rightwards, the U-shaped fixing seat 100 drives the universal ball 5 to slide in the spherical cavity 4, the U-shaped fixing seat 100 also drives the clamped chemical instrument to tilt, when the tilt is adjusted properly, the pressing force on the knob 11 is released, at the moment, the elastic force of the plurality of compression springs 9 in the compression state drives the rectangular block 7 to move back and forth rightwards to reset, the rectangular block 7 pulls the annular plate 13 and, meanwhile, the rectangular blocks 7 drive the plurality of pointed blocks 8 to be in close contact with the outer side of the anti-skid rubber on the outer side of the universal ball 5 leftwards, and the universal ball 5 is fixed under the friction force of the plurality of pointed blocks 8 and the anti-skid rubber, so that the position of the fixed chemical instrument after inclination adjustment is achieved, and the purpose of quickly adjusting the inclination is achieved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An instrument support for teaching comprises a U-shaped fixed seat (100), wherein a clamping plate (101) is slidably mounted on the inner wall of the top of the U-shaped fixed seat (100), a T-shaped screw rod (103) is rotatably mounted on the right side of the clamping plate (101), the U-shaped fixed seat (100) is sleeved on the T-shaped screw rod (103) in a threaded manner, the instrument support is characterized in that an anti-skidding rubber cushion (102) is fixedly bonded on the inner wall of the left side of the U-shaped fixed seat (100) and the left side of the clamping plate (101), a base is arranged below the U-shaped fixed seat (100), a rectangular supporting rod (1) is fixedly connected to one side of the top of the base, a rectangular pipe (2) is slidably sleeved on the rectangular supporting rod (1), a top plate (3) is fixedly connected to the top end of the rectangular pipe (2), a spherical cavity (4) with an opening at the top and the bottom is, the bottom of the universal ball (5) extends to the lower part of the top plate (3) and is fixedly connected with the top of the U-shaped fixed seat (100);

the spherical cavity (4) is provided with a rectangular groove (6) on the inner wall at the left side, a first screw rod (10) is rotatably arranged on the inner wall at the bottom of the rectangular groove (6), the bottom end of the first screw rod (10) extends into the rectangular pipe (2), a rectangular support rod (1) is sleeved on the first screw rod (10) in a threaded manner, a square groove (16) is arranged at the top end of the first screw rod (10), a square rod (12) is sleeved in the square groove (16) in a sliding manner, the top end of the square rod (12) extends to the upper part of the top plate (3) and is fixedly connected with a knob (11), a rectangular block (7) is sleeved in the rectangular groove (6) in a sliding manner, the right side of the rectangular block (7) is provided with an arc-shaped mechanism and is fixedly connected with a plurality of sharp blocks (8), the sharp end of each sharp block (8) is in movable contact with the left side of the universal ball (, and a plurality of compression springs (9) of fixedly connected with between the right side of montant (17) and the left side of rectangular block (7), the left side slidable mounting of montant (17) has annular slab (13), and annular slab (13) rotate the cover and establish on square pole (12), the left side top of montant (17) is rotated and is installed fixed pulley (14), the left side top fixedly connected with soft wire rope (15) of rectangular block (7), and the top of fixed pulley (14) is walked around to the one end of soft wire rope (15) and with the top fixed connection of annular slab (13).

2. The instrument support for teaching according to claim 1, wherein a circular hole is formed in the inner wall of the bottom of the rectangular groove (6), a first bearing is fixedly sleeved in the circular hole, an inner ring of the first bearing is fixedly welded to the outer side of the first screw rod (10), a first threaded hole is formed in the top end of the rectangular support rod (1), and the first threaded hole is in threaded connection with the first screw rod (10).

3. An instrument support for teaching purposes according to claim 1, wherein the annular plate (13) is internally fixed with a second bearing and the inner ring of the second bearing is welded on the outside of the square bar (12).

4. An instrument support for teaching according to claim 1, wherein the outside of the universal ball (5) is bonded and coated with an anti-slip rubber sheet, and the tip of the pointed block (8) is in close contact with the outside of the anti-slip rubber sheet.

5. The instrument support for teaching according to claim 1, wherein a first T-shaped sliding rail is fixedly connected to the left side of the vertical rod (17), a first T-shaped sliding groove with an opening at the top and the bottom is formed in the right side of the annular plate (13), and the first T-shaped sliding groove is slidably connected with the first T-shaped sliding rail.

6. The instrument holder for teaching according to claim 1, wherein the top inner wall of the rectangular groove (6) is provided with a circular through hole, the square rod (12) is positioned in the circular through hole, and the inner wall of the circular through hole is not in contact with the outer side of the square rod (12).

7. The instrument support used for teaching as claimed in claim 1, wherein a round hole is formed in the top of the right side of the vertical rod (17), the flexible steel wire rope (15) is located in the round hole, and the side wall of the round hole is not in contact with the outer side of the flexible steel wire rope (15).

8. The instrument support for teaching of claim 1, wherein a second threaded hole is formed in the right inner wall of the U-shaped fixing seat (100) and is in threaded connection with the T-shaped screw (103), a third bearing is fixedly connected to the right side of the clamping plate (101), and an inner ring of the third bearing is fixedly sleeved on the outer side of the T-shaped screw (103).

9. The instrument support for teaching of claim 1, wherein a second T-shaped sliding rail is fixedly connected to the inner wall of the top of the U-shaped fixing seat (100), a second T-shaped sliding groove with two sides being opened is formed in the top of the clamping plate (101), and the second T-shaped sliding groove is slidably connected with the second T-shaped sliding rail.