CN210446279U

CN210446279U - Fixable experiment stool of scientific mobile experiment vehicle

Info

Publication number: CN210446279U
Application number: CN201921091161.0U
Authority: CN
Inventors: 孙红娇; 刘卓勇
Original assignee: Guangdong Yajiasi Technology Co ltd
Current assignee: Guangdong Yajiasi Technology Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-05-05
Anticipated expiration: 2029-07-12

Abstract

The utility model provides a fixable experimental stool of a scientific mobile experimental vehicle, which relates to the field of scientific mobile experimental vehicles and comprises a stool surface, a telescopic rod is rotationally connected with the center of the bottom end of the stool surface, the bottom end of the telescopic rod is fixedly connected with a stool frame, the stool frame comprises a cylinder fixedly connected with the bottom end of the telescopic rod, a fixing mechanism is arranged inside the cylinder, the fixing mechanism comprises a rotating permanent magnet which is rotationally connected with the cylinder, the rotating permanent magnet is vertically and fixedly connected with the rotating shaft, one end of the rotating shaft is fixedly connected with a knob which penetrates through the side surface of the cylinder and is rotationally connected with the cylinder, a sliding shaft is arranged below the rotating permanent magnet, the side surface of the sliding shaft is connected with the cylinder in a sliding way, the bottom end of the sliding shaft is fixedly connected with a fixed plate, the fixable experiment stool of the scientific flow experiment vehicle is fixed in the experiment vehicle, so that the fixable experiment stool of the scientific flow experiment vehicle is prevented from moving in the vehicle during the running of the experiment vehicle; the scientific mobile experiment vehicle can be fixed on an experiment stool and is convenient to fix or move; adjustment mechanism is safe more durable, and scientific mobile experiment car fixable experiment bench overall structure is stable.

Description

Fixable experiment stool of scientific mobile experiment vehicle

Technical Field

The utility model relates to a scientific experiment car field that flows especially relates to a scientific experiment car that flows can fixed experiment bench.

Background

The scientific mobile experiment vehicle is also called a scientific bus, and the scientific bus integrates various advanced technologies into a whole and bears the functions of mobile display and popularization of scientific knowledge. The scientific bus was originally established abroad in the last 90 th century, and is a mobile science popularization education display stage and laboratory, and the scientific bus was introduced in the eleventh science popularization date in 2014. As the first innovation of national science popularization days, the scientific bus becomes an online extension of the entity activities of the science popularization days, the science popularization days are firstly realized, the science popularization days are allowed to go out of the science popularization days, the scientific knowledge is spread and popularized in areas such as important scientific research institutes, universities, communities and the like in Beijing, the daily life of the masses is realized, the real-time interaction is realized, the science popularization notes become mobile technological innovation notes, and the mobile scientific popularization is carried out through the scientific bus, so that the public can experience science, understand science and believe science in person.

But because some experimental processes are complicated, the experimental process is of a long time, but need have the science mobile experiment car fixable experiment bench that can supply experiment operating personnel to have a rest, in the experiment car goes, the science mobile experiment car fixable experiment bench that can move along with the vehicle, because inertia makes the science mobile experiment car fixable experiment bench that can fix topple over or collide with other article, cause the loss, if adopt simple fixed connection's mode with the science mobile experiment car fixable experiment bench fixed in the automobile body, then occupy limited usable space in the automobile body, be not convenient for operating personnel activity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scientific experiment car that flows can fixed experiment bench to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides a scientific experiment bench that flows can be fixed, includes the bench face, is located bench face bottom center and the telescopic link rotates to be connected, telescopic link bottom and bench frame fixed connection, bench frame include with telescopic link bottom fixed connection's drum, the inside fixed establishment that is equipped with of drum, fixed establishment includes rotates the rotation permanent magnet of being connected with the drum, rotate permanent magnet and the perpendicular fixed connection of pivot, pivot one end with run through the drum side and rotate the knob fixed connection of being connected with the drum, be located it is equipped with the slide-shaft to rotate the permanent magnet below, slide-shaft side and drum sliding connection, slide-shaft bottom fixed connection has the fixed plate.

Preferably, the stool frame further comprises six frame rods which are fixedly connected with the outer side of the cylinder and are in a circular array, the outer ends of the frame rods are connected with universal wheels, the frame rods are fixedly connected with the bottom of the outer side of the telescopic rod through connecting rods, and the frame rods, the telescopic rod and the connecting rods are in triangular connection.

Preferably, the shape of the hack lever is parabolic, and the cross section of the hack lever is elliptical.

Preferably, the rotating permanent magnet is strip-shaped, and a gap is reserved between the sliding shaft and the magnetic pole of the rotating permanent magnet.

Preferably, the top end of the sliding shaft is fixedly connected with a transmission block, the transmission block is higher than the bottom end of the rotating permanent magnet, the side face of the transmission block is attached to the permanent magnet, a return spring is sleeved between the top end of the sliding shaft and the bottom end of the cylinder and outside the sliding shaft, and the sliding shaft, the transmission block and the fixing plate are all made of iron-nickel alloy.

Preferably, the telescopic link includes that the top rotates the interior pole of being connected with the bench face, interior pole inside is equipped with control mechanism, interior pole bottom cup joints the outer pole rather than sliding connection, is located the interior pole bottom is equipped with compression spring, outer pole bottom and the coaxial fixed connection in drum top.

Preferably, control mechanism includes the pull rod, the pull rod runs through the pole groove of interior pole side and rotates with interior pole to be connected, the pull rod is located the inside one end of interior pole and rotates with the connecting rod to be connected, connecting rod bottom and connecting steel cable middle part hookup, connecting steel cable both ends respectively with two slider fixed connection, two be connected with coupling spring between the slider, the slide hole and interior pole sliding connection on the pole are run through to the slider is located interior pole bottom both sides all are equipped with the stopper.

Preferably, the outer pole inboard is equipped with the spout, spout and stopper sliding connection, the outer pole inboard is equipped with the draw-in groove, draw-in groove and slider joint.

The utility model has the advantages that:

the utility model discloses a, adopt fixed establishment to connect in the experiment car fixable experiment bench bottom of science flow, through the rotation of the mode control permanent magnet of knob, thus make fixed establishment have magnetism, ground in the adsorbable car, the mode of magnetism connection, make the experiment car fixable experiment bench of science flow fix in the experiment car, avoid the experiment car fixable experiment bench of science flow to move in the car in the experiment car is gone; the fixing mechanism is made of soft magnetic materials, generates stronger adsorption force under the action of a magnetic field, can be demagnetized rapidly under the action of no magnetic field, is convenient for the fixed experiment stool of the scientific flow experiment vehicle to move, and ensures that the fixed experiment stool of the scientific flow experiment vehicle can be fixed or moved more conveniently; the control mechanism for controlling the telescopic rod to move adopts a pure mechanical design, has better transmission performance, and is safer and more durable compared with an air pressure type telescopic rod; six hack levers that are circular array pass through the connecting rod and are connected with the telescopic link, have strengthened the radial stability of telescopic link, avoid the telescopic link to damage when receiving radial effort, and the structure is more firm.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic perspective view of the fixing mechanism of the present invention;

FIG. 3 is a cross-sectional view of the telescopic rod of the present invention;

fig. 4 is a schematic structural diagram of the control mechanism of the present invention;

reference numerals: 1. a stool surface; 2. a telescopic rod; 201. an inner rod; 2011. a rod groove; 2012. a slide hole; 2013. a limiting block; 202. an outer rod; 2021. a card slot; 2022. a chute; 203. a compression spring; 3. a cylinder; 4. a fixing mechanism; 401. a fixing plate; 402. a slide shaft; 403. a conductive block; 404. rotating the permanent magnet; 405. a return spring; 406. a knob; 407. a rotating shaft; 5. a stool frame; 501. a frame bar; 502. a universal wheel; 503. a connecting rod; 6. a control mechanism; 601. a lever; 602. a slider; 603. a connecting rod; 604. connecting a steel rope; 605. a spring is connected.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-4, a fixable experimental stool for a scientific flow experimental vehicle comprises a stool surface 1, a telescopic rod 2 rotatably connected with the center of the bottom end of the stool surface 1, a telescopic rod 2 fixedly connected with the bottom end of a stool frame 5, the stool frame 5 comprising a cylinder 3 fixedly connected with the bottom end of the telescopic rod 2, a fixing mechanism 4 arranged inside the cylinder 3, the fixing mechanism 4 comprising a rotary permanent magnet 404 rotatably connected with the cylinder 3, the rotary permanent magnet 404 vertically and fixedly connected with a rotating shaft 407, one end of the rotating shaft 407 fixedly connected with a knob 406 penetrating through the side surface of the cylinder 3 and rotatably connected with the cylinder 3, a sliding shaft 402 arranged below the rotary permanent magnet 404, the side surface of the sliding shaft 402 slidably connected with the cylinder 3, a fixing plate 401 fixedly connected with the bottom end of the sliding shaft 402, the stool frame 5 further comprising six frame rods 501 fixedly connected with the outer side of the cylinder 3 and in a circular, the hack lever 501 is fixedly connected with the bottom of the outer side of the telescopic rod 2 through a connecting rod 503, the hack lever 501, the telescopic rod 2 and the connecting rod 503 are connected in a triangular mode, the shape of the hack lever 501 is parabolic, the cross section of the hack lever 501 is elliptical, the rotary permanent magnet 404 is strip-shaped, a gap is reserved between the magnetic poles of the sliding shaft 402 and the rotary permanent magnet 404, a conducting block 403 is fixedly connected to the top end of the sliding shaft 402, the conducting block 403 is higher than the bottom end of the rotary permanent magnet 404, the side face of the conducting block 403 is attached to the permanent magnet, a return spring 405 is sleeved between the top end of the sliding shaft 402 and the bottom end of the cylinder 3 and is positioned on.

When the fixable experiment stool of the fixed scientific flow experiment vehicle is used, the rotary knob 406 enables the rotary shaft 407 to drive the rotary permanent magnet 404 to rotate, when the rotary permanent magnet 404 rotates to be attached to the conductive block 403, the sliding shaft 402 and the fixed plate 401 which are made of iron-nickel alloy are all provided with magnetism, the fixed plate 401 which is close to the bottom surface of the experiment vehicle is mutually attached to the ground, the sliding shaft 402 slides relative to the cylinder 3 so as to be attached to the ground, the situation that the fixable experiment stool of the scientific flow experiment vehicle and a vehicle generate relative displacement or the fixable experiment stool of the scientific flow experiment vehicle is overturned due to inertia is avoided, the operation is safer, when the fixable experiment stool of the scientific flow experiment vehicle is moved, the rotary knob 406 is only needed to be rotated to enable the permanent magnet to be far away from the conductive block 403, at the moment, the fixed plate 401 loses magnetism and moves upwards relative to the cylinder 3 under the elastic force of the, when the telescopic link 2 receives radial effort, the triangle-shaped structure between connecting rod 503 and hack lever 501, telescopic link 2 is more enough with effort evenly distributed, avoids leading to taking place relative slope between telescopic link 2 and the bench frame 5 because of stress concentration, and the structure is more firmly durable.

Example 2

As shown in fig. 1-4, a fixable experimental stool for a scientific flow experimental vehicle comprises a stool surface 1, a telescopic rod 2 rotatably connected with the center of the bottom end of the stool surface 1, a bottom end of the telescopic rod 2 fixedly connected with a stool frame 5, the stool frame 5 comprising a cylinder 3 fixedly connected with the bottom end of the telescopic rod 2, a fixing mechanism 4 arranged inside the cylinder 3, the fixing mechanism 4 comprising a rotary permanent magnet 404 rotatably connected with the cylinder 3, the rotary permanent magnet 404 vertically and fixedly connected with a rotating shaft 407, one end of the rotating shaft 407 fixedly connected with a knob 406 penetrating through the side surface of the cylinder 3 and rotatably connected with the cylinder 3, a sliding shaft 402 arranged below the rotary permanent magnet 404, the side surface of the sliding shaft 402 slidably connected with the cylinder 3, a fixing plate 401 fixedly connected with the bottom end of the sliding shaft 402, the telescopic rod 2 comprising an inner rod 201 rotatably connected with the top end of the stool surface 1, a control mechanism 6 arranged inside the inner rod, the compression spring 203 is arranged at the bottom end of the inner rod 201, the bottom end of the outer rod 202 is coaxially and fixedly connected with the top end of the cylinder 3, the control mechanism 6 comprises a pull rod 601, the pull rod 601 penetrates through a rod groove 2011 on the side surface of the inner rod 201 and is rotatably connected with the inner rod 201, one end, located inside the inner rod 201, of the pull rod 601 is rotatably connected with a connecting rod 603, the bottom end of the connecting rod 603 is hooked with the middle of a connecting steel rope 604, two ends of the connecting steel rope 604 are fixedly connected with two sliders 602 respectively, a connecting spring 605 is connected between the two sliders 602, the sliders 602 penetrate through a sliding hole 2012 in the inner rod 201 and are slidably connected with the inner rod 201, limiting blocks 2013 are arranged on two sides of the bottom of the inner rod 201, a sliding groove 2022 is arranged on the inner side of the outer rod.

When the height of the stool surface is adjusted, the wrench rod 601 is rotated relative to the inner rod 201 by pulling the wrench rod 601, the connecting rod 603 can be easily driven to move in the vertical direction due to the lever action, when the connecting rod 603 moves upwards, the two sliding blocks 602 connected through the connecting steel rope 604 are close to each other, the sliding blocks 602 slide out of the clamping grooves 2021 in the outer rod 202, the inner rod 201 and the outer rod 202 can move axially relative to each other at the moment, the limiting blocks 2013 are clamped in the sliding grooves 2022, the radial relative rotation between the inner rod 201 and the outer rod 202 is avoided, the adjustment is convenient and labor-saving, then the wrench is loosened, the sliding blocks 602 move oppositely under the action force of the connecting spring 605 and are clamped with the clamping grooves 2021, the inner rod 201 and the outer rod 202 are fixed to each other, and the.

The working principle is as follows: when the utility model is used on the experiment vehicle, the fixable experiment stool of the scientific flow experiment vehicle can be fixed or the fixed experiment stool is in a movable state according to the needs, when the fixed experiment stool is fixed, the knob 406 needs to be rotated to enable the rotary permanent magnet 404 to contact with the conduction block 403, the fixed plate 401 and the inner bottom surface of the vehicle can be mutually adsorbed, the fixable experiment stool of the scientific flow experiment vehicle can be prevented from moving or toppling over due to acceleration and deceleration or vehicle body shaking in the driving process, thereby the fixable experiment stool of the scientific flow experiment vehicle can be prevented from colliding with other objects, and the fixed experiment stool is safer, when the fixed experiment stool of the scientific flow experiment vehicle needs to be moved, the universal wheel 502 connected with the bottom end of the stool frame 5 of the fixable experiment stool of the scientific flow experiment vehicle can be separated by rotating the knob 406, the occupied space needed to be used in the vehicle can be avoided, the utility model can be mutually adsorbed, when the floor of the experiment vehicle is made of a material which is not adsorbed by the magnet, the plate which can be adsorbed by the magnet and the matched iron plate and the like which can be adsorbed by the fixing plate 401 are arranged at the position where the fixable experiment stool of the scientific mobile experiment vehicle on the floor is fixed.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a scientific mobile experiment car can fixed experiment bench, includes bench face (1), is located bench face (1) bottom center and rotates with telescopic link (2) to be connected, telescopic link (2) bottom and bench frame (5) fixed connection, its characterized in that: stool frame (5) include with telescopic link (2) bottom fixed connection's drum (3), drum (3) inside is equipped with fixed establishment (4), fixed establishment (4) include rotate rotation permanent magnet (404) of being connected with drum (3), rotate permanent magnet (404) and pivot (407) perpendicular fixed connection, pivot (407) one end with run through drum (3) side and rotate knob (406) fixed connection of being connected with drum (3), be located it is equipped with slide-shaft (402) to rotate permanent magnet (404) below, slide-shaft (402) side and drum (3) sliding connection, slide-shaft (402) bottom fixed connection has fixed plate (401).

2. The experimental bench of claim 1, wherein the experimental bench is a fixable experimental bench for scientific flow experiment: the stool frame (5) further comprises six frame rods (501) fixedly connected with the outer side of the cylinder (3) and in a circular array, universal wheels (502) are connected to the outer ends of the frame rods (501), the frame rods (501) are fixedly connected with the bottom of the outer side of the telescopic rod (2) through connecting rods (503), and the frame rods (501), the telescopic rod (2) and the connecting rods (503) are in triangular connection.

3. The experiment bench capable of being fixed on the scientific flow experiment vehicle as claimed in claim 2, wherein: the shape of the hack lever (501) is parabolic, and the cross section of the hack lever (501) is elliptic.

4. The experimental bench of claim 1, wherein the experimental bench is a fixable experimental bench for scientific flow experiment: the rotating permanent magnet (404) is strip-shaped, and a gap is reserved between the sliding shaft (402) and the magnetic pole of the rotating permanent magnet (404).

5. The experimental bench of claim 1, wherein the experimental bench is a fixable experimental bench for scientific flow experiment: the transmission block (403) is fixedly connected to the top end of the sliding shaft (402), the transmission block (403) is higher than the bottom end of the rotating permanent magnet (404), the side face of the transmission block (403) is attached to the permanent magnet, a return spring (405) is sleeved between the top end of the sliding shaft (402) and the bottom end of the cylinder (3) and located on the outer side of the sliding shaft (402), and the sliding shaft (402), the transmission block (403) and the fixing plate (401) are made of iron-nickel alloy.

6. The experimental bench of claim 1, wherein the experimental bench is a fixable experimental bench for scientific flow experiment: the telescopic rod (2) comprises an inner rod (201) which is connected with the stool surface (1) in a rotating mode, a control mechanism (6) is arranged inside the inner rod (201), the bottom of the inner rod (201) is sleeved with an outer rod (202) which is connected with the inner rod in a sliding mode, the inner rod (201) is located at the bottom of the inner rod (203), and the bottom of the outer rod (202) is coaxially and fixedly connected with the top of the cylinder (3).

7. The experimental bench of claim 6, wherein: control mechanism (6) include pull rod (601), pull rod (601) run through pole groove (2011) and rotate with interior pole (201) of interior pole (201) side and be connected, pull rod (601) are located the inside one end of interior pole (201) and rotate with connecting rod (603) and are connected, connecting rod (603) bottom and connecting steel cable (604) middle part hook joint, connecting steel cable (604) both ends respectively with two slider (602) fixed connection, two be connected with connecting spring (605) between slider (602), slide block (602) run through slide opening (2012) and interior pole (201) sliding connection on interior pole (201), are located interior pole (201) bottom both sides all are equipped with stopper (2013).

8. The experimental bench of claim 6 or 7, wherein: the utility model discloses a slide rail structure, including outer pole (202), spout (2022) are equipped with to outer pole (202) inboard, spout (2022) and stopper (2013) sliding connection, outer pole (202) inboard is equipped with draw-in groove (2021), draw-in groove (2021) and slider (602) joint.