CN212618254U

CN212618254U - Alcohol burner for physics teaching

Info

Publication number: CN212618254U
Application number: CN202020973029.9U
Authority: CN
Inventors: 江宛彤
Original assignee: Liaoning Normal University
Current assignee: Liaoning Normal University
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-02-26
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses an alcohol burner for physical teaching, the camera includes a supporting plate, the axis department at backup pad top is provided with the alcohol burner body, the rear end cover on backup pad right side is equipped with the pivot, the right side on pivot surface is provided with the thread bush, the first connecting plate of positive fixedly connected with of thread bush, the top of first connecting plate is run through the backup pad and is extended to the top of backup pad. The utility model discloses a handle drives the pivot and rotates, the pivot drives the thread bush and rotates, the thread bush drives first connecting plate and removes, first connecting plate drives first cardboard and removes, it is spacing to carry out the right side of alcohol burner body through first cardboard, the pivot can also drive the worm wheel and rotate, the worm wheel drives the pinion rack and removes, the pinion rack drives the second connecting plate and removes, the second connecting plate drives the second cardboard and removes, carry on spacingly through the left side of second cardboard to the alcohol burner body, thereby make the alcohol burner body can the steady job.

Description

Alcohol burner for physics teaching

Technical Field

The utility model relates to an alcohol burner technical field specifically is an alcohol burner for physical teaching.

Background

An alcohol lamp is often needed in physics teaching, the alcohol lamp is a heating tool using alcohol as fuel and used for heating an object, the alcohol lamp consists of a lamp body, a lamp core tube and a lamp cap, the heating temperature of the alcohol lamp is 400-500 ℃, however, the existing alcohol lamp for physics teaching is lack of a protection mechanism, so that the alcohol lamp is easy to topple over when in use, alcohol is easy to fall down, and a fire disaster is easy to cause.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an alcohol burner for physical teaching to solve the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an alcohol lamp for physical teaching comprises a supporting plate, wherein an alcohol lamp body is arranged at a center shaft at the top of the supporting plate, a rotating shaft is sleeved at the rear end on the right side of the supporting plate, a handle is fixedly connected to the right side of the rotating shaft, a threaded sleeve is arranged on the right side of the surface of the rotating shaft, a first connecting plate is fixedly connected to the front side of the threaded sleeve, the top of the first connecting plate penetrates through the supporting plate and extends to the top of the supporting plate, a first clamping plate is fixedly connected to the left top of the first connecting plate, a worm wheel is arranged on the left side of the front side of the rotating shaft, a toothed plate is meshed with the front side of the worm wheel, a second connecting plate is fixedly connected to the right side of the toothed plate, the top of the second connecting plate penetrates through the supporting plate and extends to the top of the supporting, the inboard fixedly connected with hot plate of fixed plate, the equal fixedly connected with cushion in one side that first cardboard is relative with the second cardboard.

Preferably, the right side of the surface of the rotating shaft is provided with a thread groove, the surface of the thread groove is in threaded connection with the thread sleeve, the left side of the surface of the rotating shaft is provided with a worm groove, and an inner cavity of the worm groove is meshed with the worm wheel.

Preferably, the bottom of the worm wheel is fixedly connected with a connecting shaft, the bottom of the surface of the connecting shaft is movably connected with a bearing, and the bottom of the bearing is fixedly connected with a supporting plate.

Preferably, the front of the toothed plate and the front of the first connecting plate are fixedly connected with fixing rods, a sliding groove is formed in the front side of the inner cavity of the supporting plate, a sliding block is connected to the inner cavity of the sliding groove in a sliding mode, and the back of the sliding block is fixedly connected with the fixing rods.

Preferably, the four corners of the bottom of the supporting plate are fixedly connected with supporting legs, and the bottoms of the supporting legs are fixedly connected with non-slip mats.

(III) advantageous effects

Compared with the prior art, the utility model provides an alcohol burner for physical teaching possesses following beneficial effect:

1. the utility model discloses a turning handle, the handle can drive the pivot and rotate, the pivot drives the thread bush and rotates, the thread bush drives first connecting plate and removes, first connecting plate drives first cardboard and removes, it is spacing to carry out the right side of alcohol burner body through first cardboard, the pivot still can drive the worm wheel and rotate, the worm wheel drives the pinion rack and removes, the pinion rack drives the second connecting plate and removes, the second connecting plate drives the second cardboard and removes, it is spacing to carry out the left side of alcohol burner body through the second cardboard, thereby make the alcohol burner body can the steady operation, the alcohol burner that has solved present physical teaching and has used lacks protection machanism, make the alcohol burner topple over easily when using, lead to alcohol unrestrained, and cause the problem of conflagration easily.

2. The utility model discloses a set up connecting axle and bearing, stabilized the work of worm wheel, carried out the balanced support to the worm wheel, avoided the worm wheel can't carry out work, through setting up spout, slider and dead lever, stabilized the work of first connecting plate and pinion rack, carried out the balanced support to first connecting plate and pinion rack, through setting up the slipmat, increased the frictional force of supporting leg bottom with the contact, further improved the stability of alcohol burner body during operation.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the top view structure of the support plate of the present invention in a cross-sectional view;

fig. 3 is a schematic view of the sectional structure of the present invention.

In the figure: 1. a support plate; 2. an alcohol lamp body; 3. a rotating shaft; 4. a handle; 5. a threaded sleeve; 6. a first connecting plate; 7. a first clamping plate; 8. a worm gear; 9. a bearing; 10. a connecting shaft; 11. a toothed plate; 12. a second connecting plate; 13. a second clamping plate; 14. an elastic pad; 15. a fixing plate; 16. heating plates; 17. supporting legs; 18. a non-slip mat.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a backup pad 1, alcohol burner body 2, pivot 3, handle 4, thread bush 5, first connecting plate 6, first cardboard 7, worm wheel 8, bearing 9, connecting axle 10, pinion rack 11, second connecting plate 12, second cardboard 13, cushion 14, fixed plate 15, hot plate 16, supporting leg 17 and slipmat 18 part are the parts that general standard or technical personnel in the field know, its structure and principle all are this technical personnel all can learn the manual through the technique or learn through conventional experimental approach.

Referring to fig. 1-3, an alcohol burner for physical teaching comprises a support plate 1, wherein four corners of the bottom of the support plate 1 are fixedly connected with support legs 17, the bottom of each support leg 17 is fixedly connected with a non-slip mat 18, the friction force between the bottom of each support leg 17 and a contact object is increased by arranging the non-slip mat 18, the stability of the alcohol burner body 2 during working is further improved, the alcohol burner body 2 is arranged at the center shaft of the top of the support plate 1, a rotating shaft 3 is sleeved at the rear end of the right side of the support plate 1, a handle 4 is fixedly connected to the right side of the rotating shaft 3, a threaded sleeve 5 is arranged on the right side of the surface of the rotating shaft 3, a first connecting plate 6 is fixedly connected to the front side of the threaded sleeve 5, the top of the first connecting plate 6 penetrates through the support plate 1 and extends to the top of the support plate 1, the right side of the surface of the rotating shaft 3 is provided with a thread groove, the surface of the thread groove is in threaded connection with the thread sleeve 5, the left side of the surface of the rotating shaft 3 is provided with a worm groove, an inner cavity of the worm groove is meshed with the worm wheel 8, the bottom of the worm wheel 8 is fixedly connected with a connecting shaft 10, the bottom of the surface of the connecting shaft 10 is movably connected with a bearing 9, the bottom of the bearing 9 is fixedly connected with the supporting plate 1, the connecting shaft 10 and the bearing 9 are arranged to stabilize the work of the worm wheel 8, the worm wheel 8 is supported in a balanced manner, the worm wheel 8 is prevented from being incapable of working, the front of the worm wheel 8 is meshed with the toothed plate 11, the front of the toothed plate 11 and the front of the first connecting plate 6 are both fixedly connected with a fixing rod, the front side of the inner cavity of the supporting plate 1 is provided with a sliding groove, the inner cavity of the sliding groove is, the balance support is carried out to first connecting plate 6 and pinion rack 11, the right side fixedly connected with second connecting plate 12 of pinion rack 11, backup pad 1 is run through and extends to the top of backup pad 1 in the top of second connecting plate 12, the top fixedly connected with second cardboard 13 on second connecting plate 12 right side, the equal fixedly connected with fixed plate 15 in both sides at backup pad 1 top, the inboard fixedly connected with hot plate 16 of fixed plate 15, the equal fixedly connected with cushion 14 in one side that first cardboard 7 is relative with second cardboard 13.

When using, through rotating handle 4, handle 4 can drive pivot 3 and rotate, pivot 3 drives thread bush 5 and rotates, thread bush 5 drives first connecting plate 6 and removes, first connecting plate 6 drives first cardboard 7 and removes, it is spacing to carry out to the right side of alcohol burner body 2 through first cardboard 7, pivot 3 still can drive worm wheel 8 and rotate, worm wheel 8 drives pinion rack 11 and removes, pinion rack 11 drives second connecting plate 12 and removes, second connecting plate 12 drives second cardboard 13 and removes, it is spacing to carry out the left side of alcohol burner body 2 through second cardboard 13, thereby make alcohol burner body 2 can the steady operation, the alcohol burner that has solved present physical teaching usefulness lacks protection machanism, make the alcohol burner topple over easily when using, lead to alcohol unrestrained, and cause the problem of conflagration easily.

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 an alcohol burner for physical teaching, includes backup pad (1), its characterized in that: the alcohol burner is characterized in that an alcohol burner body (2) is arranged at the middle shaft at the top of the supporting plate (1), a rotating shaft (3) is sleeved at the rear end on the right side of the supporting plate (1), a handle (4) is fixedly connected to the right side of the rotating shaft (3), a threaded sleeve (5) is arranged on the right side of the surface of the rotating shaft (3), a first connecting plate (6) is fixedly connected to the front side of the threaded sleeve (5), the top of the first connecting plate (6) penetrates through the supporting plate (1) and extends to the top of the supporting plate (1), a first clamping plate (7) is fixedly connected to the left side of the first connecting plate (6), a worm wheel (8) is arranged on the left side of the front side of the rotating shaft (3), a toothed plate (11) is meshed with the front side of the worm wheel (8), a second connecting plate (12) is fixedly connected to the right side of the toothed plate (11), the top, the top fixedly connected with second cardboard (13) on second connecting plate (12) right side, the equal fixedly connected with fixed plate (15) in both sides at backup pad (1) top, the inboard fixedly connected with hot plate (16) of fixed plate (15), the equal fixedly connected with cushion (14) in one side that first cardboard (7) and second cardboard (13) are relative.

2. The alcohol burner for physical teaching according to claim 1, wherein: the right side of the surface of the rotating shaft (3) is provided with a thread groove, the surface of the thread groove is in threaded connection with the thread sleeve (5), the left side of the surface of the rotating shaft (3) is provided with a worm groove, and an inner cavity of the worm groove is meshed with the worm wheel (8).

3. The alcohol burner for physical teaching according to claim 1, wherein: the bottom fixedly connected with connecting axle (10) of worm wheel (8), the bottom swing joint on connecting axle (10) surface has bearing (9), the bottom and backup pad (1) fixed connection of bearing (9).

4. The alcohol burner for physical teaching according to claim 1, wherein: the front of pinion rack (11) and the equal fixedly connected with dead lever in front of first connecting plate (6), the front side of backup pad (1) inner chamber is opened and is equipped with the spout, and the inner chamber sliding connection of spout has the slider, and the back and the dead lever fixed connection of slider.

5. The alcohol burner for physical teaching according to claim 1, wherein: the supporting plate is characterized in that supporting legs (17) are fixedly connected to four corners of the bottom of the supporting plate (1), and anti-slip pads (18) are fixedly connected to the bottoms of the supporting legs (17).