CN214510048U

CN214510048U - Desk for primary school's chinese classroom convenient to accomodate chalk

Info

Publication number: CN214510048U
Application number: CN202120102396.6U
Authority: CN
Inventors: 黄世梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-10-29
Anticipated expiration: 2031-01-15

Abstract

The application discloses teacher's table is used in primary school's chinese classroom convenient to accomodate chalk, including saying the table and saying cavity and receiving mechanism, clearance mechanism and the adjustment mechanism that table front end surface symmetry was seted up, receiving mechanism includes the containing box, collects smooth cabinet and filters and keep off the net, saying the surperficial both ends tip of table fixedly connected with containing box respectively, the interior middle part fixedly connected with of containing box filters and keeps off the net, the bottom one end sliding connection of containing box has the collection smooth cabinet. The utility model relates to a rationally, through carriage, fixed footstock, dust cleaning brush, clearance fan, dust inlet plate, collect the structural design that sliding cabinet, motor, lead screw, collection screwed pipe filter fender net and stand pipe, can use the chalk to accomodate to the classroom to can clear up the collection to the dust of chalk, improve the clean effect of device, labour saving and time saving has solved original device and can only take the mode of manual clearance dust, has strengthened cleaning efficiency.

Description

Desk for primary school's chinese classroom convenient to accomodate chalk

Technical Field

The application relates to a class lectern, specifically is a teacher's desk is used in primary school's chinese classroom convenient to accomodate chalk.

Background

Chalks are widely used in daily life and are generally used for writing on blackboards. Ancient chalks are usually made of natural chalk, but nowadays they are frequently replaced by other substances. The main component of the chalk is calcium sulfate which is a white precipitate, is not easy to decompose, and has larger particles than dust. The chalk mainly comprises two types of common chalk and dust-free chalk, and the main components of the chalk are calcium carbonate (limestone) and calcium sulfate (gypsum) or contain a small amount of calcium oxide.

The language is a key teaching subject in a basic education course system, the teaching content is language culture, and the running form is also language culture. The Chinese ability is the foundation for learning other disciplines and sciences, is also an important human and social science, and is a tool for people to mutually exchange ideas and the like. Has the unified characteristics of tool and humanity. The "Chinese" is also a main subject set by education institutions such as schools in China, and the Chinese textbook generally teaches Chinese universal language characters (i.e. Chinese language).

When memorability primary school's language and literature, need use the chalk to write, because the chalk composition is calcium carbonate and calcium sulfate mostly, produce a large amount of dusts easily in the use, when the dust drops on the desk, clearance and inconvenience to the function singleness of lectern can't adjust the height according to user's demand. Therefore, the teacher's desk for the primary school Chinese classroom is provided for conveniently containing chalks.

Disclosure of Invention

A teacher desk convenient for containing chalks for a primary school Chinese classroom comprises a teacher desk plate, and a cavity, a containing mechanism, a cleaning mechanism and an adjusting mechanism which are symmetrically arranged on the front end surface of the teacher desk plate;

the collecting mechanism comprises a collecting box, a collecting sliding cabinet and a filtering baffle net, the end parts of two ends of the surface of the speaking table plate are respectively and fixedly connected with the collecting box, the filtering baffle net is fixedly connected to the middle position in the collecting box, and one end of the bottom of the collecting box is connected with the collecting sliding cabinet in a sliding mode;

the cleaning mechanism comprises a sliding frame, fixed top seats, dust cleaning brushes, a cleaning fan, a dust inlet plate, a motor, a lead screw and a collecting screw tube, wherein the lead screw is fixedly connected inside the cavity, the motor is installed in the middle of the outer side walls of the two ends of the desk plate, the output end of the motor extends into the cavity and is fixedly connected with the lead screw, the sliding frame is movably sleeved on the lead screw, the fixed top seats are fixedly connected to the upper parts of the two ends of the sliding frame, the dust cleaning brushes are fixedly connected between the two fixed top seats, the dust inlet plate is installed in the middle of the surface of the desk plate, the cleaning fan is installed at the rear end of the dust inlet plate, one end of the cleaning fan extends into the dust inlet plate, a guide tube is installed at the front end of the dust inlet plate, and the collecting screw tube is sleeved at the outer end of the guide tube;

adjustment mechanism includes support arm, fixed pipe, bracing piece, fixed cover, axis of rotation and branch pipe, speak the bottom both ends symmetry fixedly connected with branch pipe of table, the inside at the support arm is cup jointed in the branch pipe activity, the slide bar is put to the side fixedly connected with of support arm erects, erect and put the slider on the slide bar activity of having cup jointed, fixedly connected with bracing piece on the slider, the fixed cover of middle part fixedly connected with of bracing piece, two rotation axis connection is passed through at the top of bracing piece, the bottom at fixed pipe is installed to the other end of axis of rotation, the other end fixed connection of fixed pipe is in the bottom intermediate position of saying the table.

Further, the bottom of support arm is installed and is connected the base, the bottom swing joint of connecting the base has the removal wheel.

Furthermore, a baffle is fixedly connected between the front ends of the two supporting arms through fixing screws, and the baffle is of a detachable structure.

Furthermore, the two ends corresponding to the supporting arms are fixedly connected with fixing frames respectively, a connecting plate is fixedly connected between the fixing frames, a supporting screw frame is connected to the middle of the connecting plate through threads, and the other end of the supporting screw frame extends to the bottom of the connecting plate.

Furthermore, a plurality of same protruding structures are arranged at equal intervals at the bottom of the dust cleaning brush.

Furthermore, both ends of the dust inlet plate are respectively provided with a communicating slotted hole.

Furthermore, the outer end part of the collection sliding cabinet is fixedly connected with an armrest.

Furthermore, an internal thread and an external thread which are matched with each other are arranged between the collecting screw tube and the guide tube, and the collecting screw tube is connected with the guide tube through the threads.

Furthermore, a connecting spring is fixedly connected between the two fixing sleeves.

Furthermore, the bottom of the sliding block is provided with a limiting spiral ring which is sleeved on the surface of the vertically-arranged sliding rod through threads.

The beneficial effect of this application is: the application provides a lectern is used in primary school's chinese classroom convenient to accomodate chalk.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present application;

FIG. 3 is a schematic structural view of a storage box according to an embodiment of the present application;

fig. 4 is a schematic side view of a support arm according to an embodiment of the present disclosure.

Fig. 5 is a schematic structural diagram of a dust cleaning brush according to an embodiment of the present application.

Fig. 6 is a schematic view of a carriage joint according to an embodiment of the present application.

Fig. 7 is an enlarged schematic structural diagram of a portion a of fig. 1 according to an embodiment of the present application.

Fig. 8 is an enlarged structural diagram of a portion B of fig. 2 according to an embodiment of the present application.

In the figure: 1. the dust cleaning device comprises a table plate, 2, a cavity, 3, a connecting plate, 4, a supporting screw frame, 5, a fixing frame, 6, a moving wheel, 7, a connecting base, 8, a supporting arm, 9, a baffle, 10, a fixing screw, 11, a fixing pipe, 12, a sliding frame, 13, a fixing top seat, 14, a dust cleaning brush, 15, a cleaning fan, 16, a dust inlet plate, 17, a containing box, 18, a collecting sliding cabinet, 19, a motor, 20, a lead screw, 21, a collecting screw pipe, 22, a filtering blocking net, 23, a supporting rod, 24, a fixing sleeve, 25, a handrail, 26, a vertically-arranged sliding rod, 27, a sliding block, 28, a guide pipe, 29, a connecting spring, 30, a rotating shaft, 31, a branch pipe, 32 and a limiting spiral ring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-8, a teacher's desk for primary school Chinese classroom convenient for holding chalk comprises a desk board 1, and a cavity 2, a holding mechanism, a cleaning mechanism and an adjusting mechanism symmetrically arranged on the front end surface of the desk board 1;

the containing mechanism comprises a containing box 17, a collecting sliding cabinet 18 and a filtering baffle net 22, the end parts of two ends of the surface of the speaking desk plate 1 are respectively and fixedly connected with the containing box 17, the filtering baffle net 22 is fixedly connected to the position of the middle inside of the containing box 17, and one end of the bottom of the containing box 17 is connected with the collecting sliding cabinet 18 in a sliding mode;

the cleaning mechanism comprises a sliding frame 12, a fixed top seat 13, a dust cleaning brush 14, a cleaning fan 15, a dust inlet plate 16, a motor 19, a screw rod 20 and a collecting screw tube 21, the inside fixedly connected with screw rod 20 of a cavity 2, the motor 19 is installed at the middle position of the outer side wall of the two ends of a desk plate 1, the output end of the motor 19 extends to the inside of the cavity 2 and is fixedly connected with the screw rod 20, the sliding frame 12 is movably sleeved on the screw rod 20, the fixed top seat 13 is fixedly connected with the upper parts of the two ends of the sliding frame 12, the dust cleaning brush 14 is fixedly connected between the fixed top seats 13, the dust inlet plate 16 is installed at the middle position of the surface of the desk plate 1, the cleaning fan 15 is installed at the rear end of the dust inlet plate 16, one end of the cleaning fan 15 extends to the inside of the dust inlet plate 16, a guide tube 28 is installed at the front end of the dust inlet plate 16, the outer end of the guide pipe 28 is sleeved with a collection spiral pipe 21;

adjustment mechanism includes support arm 8, fixed pipe 11, bracing piece 23, fixed cover 24, axis of rotation 30 and branch pipe 31, the bottom both ends symmetry fixedly connected with branch pipe 31 of table 1 speaks, the inside at support arm 8 is cup jointed in the activity of branch pipe 31, the side fixedly connected with of support arm 8 erects slide bar 26, it has cup jointed slider 27 to erect the activity on putting slide bar 26, fixedly connected with bracing piece 23 on the slider 27, the fixed cover 24 of middle part position fixedly connected with of bracing piece 23, two the axis of rotation 30 is connected through at the top of bracing piece 23, the bottom at fixed pipe 11 is installed to the other end of axis of rotation 30, the other end fixed connection of fixed pipe 11 is in the bottom intermediate position of table 1 of speaking.

The bottom of the supporting arm 8 is provided with a connecting base 7, and the bottom of the connecting base 7 is movably connected with a moving wheel 6; a baffle 9 is fixedly connected between the front ends of the two supporting arms 8 through fixing screws 10, and the baffle 9 is of a detachable structure; one end corresponding to each of the two support arms 8 is fixedly connected with a fixing frame 5, a connecting plate 3 is fixedly connected between the two fixing frames 5, the middle part of the connecting plate 3 is connected with a support screw frame 4 through threads, and the other end of the support screw frame 4 extends to the bottom of the connecting plate 3; the bottom of the dust cleaning brush 14 is provided with a plurality of same protruding structures at equal intervals; both ends of the dust inlet plate 16 are respectively provided with a communicating slotted hole; the outer end part of the collection sliding cabinet 18 is fixedly connected with an armrest 25; an internal thread and an external thread which are matched with each other are arranged between the collecting screw tube 21 and the guide tube 28, and the collecting screw tube 21 is connected with the guide tube 28 through a thread; a connecting spring 29 is fixedly connected between the two fixing sleeves 24; the bottom of the sliding block 27 is provided with a limit spiral ring 32 which is sleeved on the surface of the vertically-arranged sliding rod 26 in a threaded manner.

When the device is used, the electric elements appearing in the device are externally connected with a power supply and a control switch when in use, when the device is used, the moving flexibility of the device can be increased by moving the moving wheel 6 and the connecting base 7, when the device is moved to a proper position, the supporting screw frame 4 is adjusted by rotating downwards, the bottom end of the supporting screw frame 4 is abutted to the ground, the stability of the device is increased, the supporting rods 23 at the two ends are upwards pushed to the fixed pipe 11 by sliding the sliding block 27 upwards on the vertical sliding rod 26 according to the requirements of a user, the desk board 1 is pushed and adjusted to a proper position by matching the supporting arm 8 and the branch pipe 31, the basic operation requirements are met, the containing box 17 arranged on the surface of the desk board 1 can be used for containing chalk used in a class of primary school Chinese, chalk dust falls to the containing box 17 at the bottom through the filtering baffle net 22 for collection, drop the dust on table 1 surface of saying, through the switch who opens motor 19, carriage 12 removes on lead screw 20, indirectly drive dust cleaning brush 14 and remove at the surface of table 1 of saying, clean up surface dust through dust cleaning brush 14, the dust is collected leading-in from the intercommunication slotted hole that advances the both ends of dirt board 16, through the switch of opening clearance fan 15, the dust is collected by leading-in collection solenoid 21 through stand pipe 28, the clearance is swift, time saving and labor saving, the cleaning efficiency is improved.

The application has the advantages that:

1. the utility model has simple structure, can strengthen the overall stability of the device through the structural design of the connecting plate, the supporting screw frame, the fixing frame, the moving wheel, the connecting base and the baffle, and the device is convenient to move and is convenient to move flexibly according to the lecture condition;

2. the utility model has reasonable design, can store chalks used in class and can clean and collect the dust of the chalks through the structural design of the sliding frame, the fixed top seat, the dust cleaning brush, the cleaning fan, the dust inlet plate, the collecting sliding cabinet, the motor, the lead screw, the collecting solenoid filtering baffle net and the guide pipe, thereby improving the cleaning effect of the device, saving time and labor, solving the problem that the original device can only adopt the mode of manually cleaning the dust and enhancing the cleaning efficiency;

3. the utility model discloses convenient operation through the structural design of support arm, fixed pipe, bracing piece, fixed cover, vertical slide bar, slider, coupling spring and axis of rotation, can highly carry out the regulation of moderate degree to the device according to user's needs, improves the travelling comfort that uses, and the practicality is good, is favorable to using widely.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a teacher's desk is used in primary school's chinese classroom convenient to accomodate chalk which characterized in that: comprises a speaking table plate (1), a cavity (2) symmetrically formed on the front end surface of the speaking table plate (1), a receiving mechanism, a cleaning mechanism and an adjusting mechanism;

the receiving mechanism comprises a receiving box (17), a collecting sliding cabinet (18) and a filtering blocking net (22), the two end parts of the surface of the speaking table plate (1) are respectively and fixedly connected with the receiving box (17), the filtering blocking net (22) is fixedly connected to the inner middle position of the receiving box (17), and one end of the bottom of the receiving box (17) is connected with the collecting sliding cabinet (18) in a sliding mode;

the cleaning mechanism comprises a sliding frame (12), a fixed top seat (13), a dust cleaning brush (14), a cleaning fan (15), a dust inlet plate (16), a motor (19), a lead screw (20) and a collecting screw tube (21), wherein the inside of the cavity (2) is fixedly connected with the lead screw (20), the middle position of the outer side wall of the two ends of the table plate (1) is provided with the motor (19), the output end of the motor (19) extends to the inside of the cavity (2) and is fixedly connected with the lead screw (20), the sliding frame (12) is movably sleeved on the lead screw (20), the upper parts of the two ends of the sliding frame (12) are fixedly connected with the fixed top seats (13), the two fixed top seats (13) are fixedly connected with the dust cleaning brush (14), the dust inlet plate (16) is installed at the middle position of the surface of the table plate (1), the cleaning fan (15) is installed at the rear end of the dust inlet plate (16), one end of the cleaning fan (15) extends into the dust inlet plate (16), a guide pipe (28) is mounted at the front end of the dust inlet plate (16), and a collecting solenoid (21) is sleeved at the outer end of the guide pipe (28);

the adjusting mechanism comprises a supporting arm (8), a fixed pipe (11), a supporting rod (23), a fixed sleeve (24), a rotating shaft (30) and a branch pipe (31), the two ends of the bottom of the speaking desk plate (1) are symmetrically and fixedly connected with branch pipes (31), the branch pipes (31) are movably sleeved inside the supporting arms (8), a vertical sliding rod (26) is fixedly connected to the side edge of the supporting arm (8), a sliding block (27) is movably sleeved on the vertical sliding rod (26), the slide block (27) is fixedly connected with a support rod (23), the middle part of the support rod (23) is fixedly connected with a fixed sleeve (24), the tops of the two support rods (23) are connected through a rotating shaft (30), the other end of the rotating shaft (30) is arranged at the bottom of the fixed pipe (11), the other end of the fixed pipe (11) is fixedly connected to the middle position of the bottom of the speaking table plate (1).

2. The lectern for a primary school chinese classroom convenient to accomodate chalk of claim 1, characterized in that: the bottom of support arm (8) is installed and is connected base (7), the bottom swing joint of connecting base (7) has removal wheel (6).

3. The lectern for a primary school chinese classroom convenient to accomodate chalk of claim 1, characterized in that: two between the front end of support arm (8) through set screw (10) fixedly connected with baffle (9), baffle (9) are detachable construction.

4. The lectern for a primary school chinese classroom convenient to accomodate chalk of claim 1, characterized in that: two one end that support arm (8) correspond is fixedly connected with mount (5) respectively, two fixedly connected with connecting plate (3) between mount (5), there is support swivel nut (4) at the middle part of connecting plate (3) through threaded connection, the other end that supports swivel nut (4) extends to the bottom of connecting plate (3).

5. The lectern for a primary school chinese classroom convenient to accomodate chalk of claim 1, characterized in that: the bottom of the dust cleaning brush (14) is provided with a plurality of same protruding structures at equal intervals.

6. The lectern for a primary school chinese classroom convenient to accomodate chalk of claim 1, characterized in that: two ends of the dust inlet plate (16) are respectively provided with a communicating slotted hole.

7. The lectern for a primary school chinese classroom convenient to accomodate chalk of claim 1, characterized in that: the outer end part of the collection sliding cabinet (18) is fixedly connected with a handrail (25).

8. The lectern for a primary school chinese classroom convenient to accomodate chalk of claim 1, characterized in that: internal threads and external threads which are matched with each other are formed between the collecting screw pipe (21) and the guide pipe (28), and the collecting screw pipe (21) is connected with the guide pipe (28) through threads.

9. The lectern for a primary school chinese classroom convenient to accomodate chalk of claim 1, characterized in that: a connecting spring (29) is fixedly connected between the two fixing sleeves (24).

10. The lectern for a primary school chinese classroom convenient to accomodate chalk of claim 1, characterized in that: the bottom of the sliding block (27) is provided with a limiting spiral ring (32) which is sleeved on the surface of the vertically-arranged sliding rod (26) in a threaded manner.