CN214647165U - Blackboard for high school Chinese teaching - Google Patents
Blackboard for high school Chinese teaching Download PDFInfo
- Publication number
- CN214647165U CN214647165U CN202120473086.5U CN202120473086U CN214647165U CN 214647165 U CN214647165 U CN 214647165U CN 202120473086 U CN202120473086 U CN 202120473086U CN 214647165 U CN214647165 U CN 214647165U
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- blackboard
- fixedly connected
- high school
- main
- chinese teaching
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- 230000000694 effects Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a blackboard for high school Chinese teaching, which comprises a main blackboard, an auxiliary blackboard and a base, wherein the upper end and the lower end of the main blackboard are respectively provided with two chutes, a positioning rod is movably sleeved in the connecting plate, a baffle is fixedly sleeved on the positioning rod, one side of the baffle is fixedly connected with a spring, one end of the spring is fixedly connected on the connecting plate, one end of the positioning rod passes through one positioning hole and is movably clamped in the chute, a sleeve column is fixedly connected at the top end of the base, a hydraulic rod is fixedly arranged in the sleeve column, the top end of the hydraulic rod is fixedly connected at the middle part of the bottom end of the main blackboard, the bottom end of the base is provided with a pulley II, the auxiliary blackboard is sleeved by the two pulleys in a sliding way, so that the whole using area of the blackboard can be widened, the auxiliary blackboard is sleeved outside the main blackboard in a sliding way without using, the size is reduced, the blackboard is convenient to carry, the blackboard can be pushed to move through the pulley II, the blackboard can be adjusted to be contacted with the sleeve column, the whole body is lifted up by the handle for carrying.
Description
Technical Field
The utility model relates to a teaching aid technical field especially relates to a blackboard is used in high school's chinese teaching.
Background
The blackboard plays very important role at the in-process of chinese teaching, and traditional chinese teaching process is that the chinese mr explains the chinese knowledge on the blackboard to the blackboard is fixed at indoor certain position, generally in the middle part of the place ahead wall in classroom, along with the popularization of some new teaching thinking, more and more mr begins to accept and carries out outdoor teaching, in order to arouse the interest of student to study chinese knowledge, and improve the efficiency that the student studied chinese knowledge.
The existing movable blackboard is usually a whole blackboard and has small volume.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a blackboard for high school Chinese teaching.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a blackboard for high school Chinese teaching comprises a main blackboard, an auxiliary blackboard and a base, wherein two chutes are respectively arranged at the upper end and the lower end of the main blackboard, positioning holes communicated with the chutes are respectively arranged at the two ends of each chute of the main blackboard, the auxiliary blackboard is arranged at the front end of a frame, pulleys I are fixedly connected inside the upper end and the lower end of the frame, the two frames are respectively and slidably connected with the two sides of the main blackboard, one end of the bottom of the frame is fixedly connected with a connecting plate, a positioning rod is movably sleeved in the connecting plate and fixedly sleeved with a baffle, one side of the baffle is fixedly connected with a spring, one end of the spring is fixedly connected on the connecting plate, one end of the positioning rod penetrates through one of the positioning holes and is movably clamped in the chute, a sleeve column is fixedly connected at the top end of the base, a hydraulic rod is fixedly arranged in the sleeve column, and the top end of the hydraulic rod is fixedly connected in the middle part of the bottom end of the main blackboard, and a second pulley is arranged at the bottom end of the base.
Further, two the equal fixedly connected with handle in adjacent one end top of frame, two adjacent some bottom one corner of frame are equipped with the rectangle breach.
Further, the two handles are arc-shaped and symmetrical to each other.
Furthermore, the spring is movably sleeved on the positioning rod.
Further, the width of the sleeve column is smaller than the distance between the notches at the bottom ends of the two frames.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. through two slip at main blackboard cup joint a vice blackboard to can widen the whole usable floor area of blackboard, not using simultaneously to make and to slide vice blackboard and cup joint in main blackboard outside, reduce the volume, conveniently carry, can promote the blackboard through pulley two and remove, can adjust the blackboard simultaneously as for set post contact time, carry the whole through the handle and carry.
2. The auxiliary blackboard can be stabilized through the positioning rod, the positioning hole and the spring, the use is convenient, the positioning rod after being pulled can be automatically restored and clamped in the positioning hole through the spring, and therefore the auxiliary blackboard is stabilized, and convenience and rapidness are achieved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic sectional view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic structural view of the positioning rod of the present invention;
in the figure: the blackboard comprises a main blackboard 1, an auxiliary blackboard 2, a frame 3, a handle 4, a chute 5, a first pulley 6, a hydraulic rod 7, a sleeve column 8, a base 9, a second pulley 10, a positioning hole 11, a connecting plate 12, a spring 13, a positioning rod 14 and a baffle 15.
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-3, a blackboard for high school Chinese teaching comprises a main blackboard 1, an auxiliary blackboard 2 and a base 9, wherein two chutes 5 are respectively arranged at the upper end and the lower end of the main blackboard 1, the main blackboard 1 is provided with positioning holes 11 at the two ends of each chute 5, the auxiliary blackboard 2 is arranged at the front end of a frame 3, pulleys 6 are respectively and fixedly connected inside the upper end and the lower end of each frame 3, the two frames 3 are respectively and slidably connected with the two sides of the main blackboard 1, handles 4 are respectively and fixedly connected with the tops of the adjacent ends of the two frames 3, a rectangular notch is arranged at one corner of the bottom of the adjacent end of the two frames 3, the main blackboard 1 is convenient to be connected with a hydraulic rod 7, the two handles 4 are arc-shaped and mutually symmetrical, the blackboard is convenient to lift, a connecting plate 12 is fixedly connected with one end of the bottom of each frame 3, a positioning rod 14 is movably sleeved in the connecting plate 12, a baffle plate 15 is fixedly sleeved on the positioning rod 14, used for connecting spring 13, baffle 15 one side fixedly connected with spring 13, can make locating lever 14 after the pulling reply automatically and block in locating hole 11 through spring 13, spring 13 one end fixed connection is on connecting plate 12, spring 13 activity cup joints on locating lever 14, locating lever 14 one end is passed one of them locating hole 11 and the activity is blocked in spout 5, block through locating lever 14 and can stabilize vice blackboard 2 in locating hole 11, base 9 top fixedly connected with sleeve post 8, the width of sleeve post 8 is less than the distance between the 3 bottom breachs of two frames, fixed mounting has hydraulic stem 7 in the sleeve post 8, can adjust the height of blackboard, hydraulic stem 7 top fixed connection is in main blackboard 1 bottom middle part, base 9 bottom is equipped with two pulleys 10, can remove the blackboard, be equipped with arrestment mechanism on the two pulleys 10.
The utility model discloses a theory of operation and use flow: during the use, pull out locating lever 14 and make locating lever 14 break away from spout 5 and locating hole 11, thereby can slide vice blackboard 2 to main blackboard 1 both sides, loosen locating lever 14, locating lever 14 is automatic to reply and block in the locating hole 11 of its end under the effect of spring 13, thereby stabilize vice blackboard 2, can adjust the height of blackboard through hydraulic stem 7, when carrying the blackboard, retrieve the cover with two vice blackboards 2 in the main blackboard 1 outside on the same principle, can promote the blackboard and remove, also can withdraw back hydraulic stem 7 and carry the blackboard through handle 4.
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 (5)
1. The blackboard for the Chinese teaching in the high school comprises a main blackboard (1), an auxiliary blackboard (2) and a base (9), and is characterized in that two sliding grooves (5) are arranged at the upper end and the lower end of the main blackboard (1), positioning holes (11) communicated with the sliding grooves (5) are formed in the two ends of each sliding groove (5) of the main blackboard (1), the auxiliary blackboard (2) is arranged at the front end of a frame (3), pulleys (6) are fixedly connected inside the upper end and the lower end of the frame (3), the two frames (3) are respectively connected to the two sides of the main blackboard (1) in a sliding mode, a connecting plate (12) is fixedly connected to one end of the bottom of the frame (3), a positioning rod (14) is movably sleeved in the connecting plate (12), a baffle plate (15) is fixedly sleeved on the positioning rod (14), and a spring (13) is fixedly connected to one side of the baffle plate (15), spring (13) one end fixed connection is on connecting plate (12), locating lever (14) one end is passed one of them locating hole (11) and activity card in spout (5), base (9) top fixedly connected with cover post (8), fixed mounting has hydraulic stem (7) in cover post (8), hydraulic stem (7) top fixed connection is in main blackboard (1) bottom middle part, base (9) bottom is equipped with pulley two.
2. The blackboard for high school Chinese teaching according to claim 1, wherein the top of the adjacent end of the two frames (3) is fixedly connected with a handle (4), and a rectangular notch is formed at one corner of the bottom of the adjacent end of the two frames (3).
3. Blackboard for high school chinese teaching according to claim 2, characterised by the fact that the two said handles (4) are arc-shaped and symmetrical to each other.
4. The blackboard for high school Chinese teaching according to claim 1, wherein the spring (13) is movably sleeved on the positioning rod (14).
5. Blackboard for high school chinese teaching according to claim 1 or 2, characterised by the fact that the width of the said studs (8) is less than the distance between the notches of the bottom ends of the two frames (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120473086.5U CN214647165U (en) | 2021-03-04 | 2021-03-04 | Blackboard for high school Chinese teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120473086.5U CN214647165U (en) | 2021-03-04 | 2021-03-04 | Blackboard for high school Chinese teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214647165U true CN214647165U (en) | 2021-11-09 |
Family
ID=78451017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120473086.5U Expired - Fee Related CN214647165U (en) | 2021-03-04 | 2021-03-04 | Blackboard for high school Chinese teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214647165U (en) |
-
2021
- 2021-03-04 CN CN202120473086.5U patent/CN214647165U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 733399 No. 212, building 21, West Street, Sanlei Town, Minqin County, Wuwei City, Gansu Province Patentee after: Gansu Black Bean Technology Co.,Ltd. Address before: 733399 No. 9, East Street, East Street, Sanlei Town, Minqin County, Lanzhou City, Gansu Province Patentee before: Gansu Black Bean Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |