CN219405956U

CN219405956U - Double-spelling blackboard with positioning and locking functions

Info

Publication number: CN219405956U
Application number: CN202223432796.7U
Authority: CN
Inventors: 赵志娟
Original assignee: Jiangsu Suhua Technology Co ltd
Current assignee: Jiangsu Suhua Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-07-25
Anticipated expiration: 2032-12-21

Abstract

The utility model provides a double-spelling blackboard with positioning and locking functions, which comprises: a control box; the display screen is fixed on the front surface of the control box; the two sliding frames are respectively fixed at the top and the bottom of the control box; two the inside both sides of slip frame all sliding connection has two to remove the frame, and four are removed the positive equal fixedly connected with connecting block of frame, and four connecting blocks all run through the slip frame and extend to the front of slip frame. According to the double-spelling blackboard with the positioning locking function, provided by the utility model, the two blackboard bodies adopt the two connecting blocks and the two sliding frames, so that teachers can conveniently move the two blackboard bodies left and right according to teaching requirements, and the blackboard bodies after left and right movement can be automatically clamped through the arrangement of the clamping assemblies, so that the double-spelling blackboard with the positioning locking function has a good positioning locking function, the stability after left and right sliding is ensured, and the writing stability of teaching contents of the teachers is improved.

Description

Double-spelling blackboard with positioning and locking functions

Technical Field

The utility model relates to the field of double-spelling blackboards, in particular to a double-spelling blackboard with a positioning and locking function.

Background

In order to improve the display of teaching contents, the traditional single blackboard is changed into a plurality of blackboard components, and writing of different teaching contents can be performed through the plurality of blackboard components.

In the related art, in order to meet the watching of students at different positions, the existing double-spelling blackboard is generally set in a sliding mode, however, the blackboard is set in a sliding mode, and the blackboard can be adjusted in a left-right sliding mode according to students at different positions, but cannot be locked in a self-positioning mode after the left-right sliding adjustment, and manual locking is required by staff.

Therefore, it is necessary to provide a double-spelling blackboard with a positioning and locking function to solve the above technical problems.

Disclosure of Invention

The utility model provides a double-spelling blackboard with a positioning locking function, which solves the problem that a blackboard moving leftwards and rightwards cannot be automatically positioned and locked.

In order to solve the technical problems, the double-spelling blackboard with the positioning and locking functions provided by the utility model comprises:

a control box;

the display screen is fixed on the front surface of the control box;

the two sliding frames are respectively fixed at the top and the bottom of the control box;

two sides of the inside of the two sliding frames are both in sliding connection with two moving frames, the front faces of the four moving frames are both fixedly connected with connecting blocks, the four connecting blocks penetrate through the sliding frames and extend to the front faces of the sliding frames, and blackboard bodies are fixedly connected between every two ends of the front faces of the four connecting blocks extending the sliding frames;

a row of arc-shaped bayonets are formed in the top of the inner wall of the sliding frame, and clamping assemblies are arranged in the four moving frames.

Preferably, one side of the back surfaces of the two blackboard bodies is fixedly connected with an operation handle.

Preferably, the clamping assembly comprises a sliding connection in the inner extrusion plate of the movable frame, two clamping blocks are fixedly connected to the top of the extrusion plate, the tops of the two clamping blocks penetrate through the movable frame and extend to the top of the movable frame, and the tops of the two clamping blocks are all provided with arc-shaped surfaces.

Preferably, two V-shaped metal elastic sheets are fixedly connected between the bottom of the extrusion plate and the bottom of the inner wall of the movable frame.

Preferably, the top and the bottom of the control box are fixedly connected with guide rail frames, and the two blackboard bodies are slidably connected between the front surfaces of the two guide rail frames.

Preferably, a row of locking holes are formed in the bottom of the lower guide rail frame, and locking assemblies are arranged at the bottoms of the two blackboard bodies.

Preferably, the locking assembly comprises an L-shaped plate fixed at the bottom of the blackboard body, a driving handle is slidably connected in the L-shaped plate, a T-shaped locking block is fixedly connected to the top of the driving handle, and an extrusion spring is fixedly connected between the T-shaped locking block and the bottom of the inner wall of the L-shaped plate.

Compared with the related art, the double-spelling blackboard with the positioning and locking functions has the following beneficial effects:

the utility model provides a double-spelling blackboard with a positioning locking function, which adopts two connecting blocks and two sliding frames through two blackboard bodies, is convenient for teachers to move left and right on the two blackboard bodies according to teaching requirements, meets the requirement of students at different positions, is convenient for unfolding or protecting a display screen, can automatically clamp the blackboard bodies after left and right movement through the arrangement of a clamping assembly, has a good positioning locking function, ensures the stability after left and right sliding, and improves the writing stability of teaching contents of the teachers.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of a dual-spelling blackboard with positioning and locking functions according to the present utility model;

FIG. 2 is a rear view of the structure of the double-spelling blackboard with the positioning and locking functions shown in FIG. 1;

FIG. 3 is a cross-sectional top view of the sliding frame shown in FIG. 1;

FIG. 4 is a cross-sectional rear view of the moving frame shown in FIG. 3;

FIG. 5 is a cross-sectional elevation view of the sliding frame shown in FIG. 1;

FIG. 6 is a schematic diagram of a second embodiment of a dual-spelling blackboard with positioning and locking functions according to the present utility model;

fig. 7 is a schematic view of the locking assembly of fig. 6.

Reference numerals in the drawings: 1. a control box; 2. a display screen; 3. a sliding frame; 4. a moving frame; 5. a connecting block; 6. a blackboard body; 7. an arc-shaped bayonet; 8. a clamping assembly; 81. an extrusion plate; 82. a clamping block; 83. v-shaped metal spring plates; 9. an operating handle; 10. a guide rail frame; 11. a locking hole; 12. a locking assembly; 121. an L-shaped plate; 122. a drive handle; 123. a T-shaped locking block; 124. the spring is pressed.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

First embodiment

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a double-spelling blackboard with positioning and locking functions according to the present utility model; FIG. 2 is a rear view of the structure of the double-spelling blackboard with the positioning and locking functions shown in FIG. 1; FIG. 3 is a cross-sectional top view of the sliding frame shown in FIG. 1; FIG. 4 is a cross-sectional rear view of the moving frame shown in FIG. 3; fig. 5 is a cross-sectional elevation view of the sliding frame shown in fig. 1. The double-spelling blackboard with the positioning and locking functions comprises:

a control box 1;

the display screen 2 is fixed on the front surface of the control box 1;

the two sliding frames 3 are respectively fixed at the top and the bottom of the control box 1;

two sides of the inside of the two sliding frames 3 are both in sliding connection with two moving frames 4, the front faces of the four moving frames 4 are both fixedly connected with connecting blocks 5, the four connecting blocks 5 penetrate through the sliding frames 3 and extend to the front faces of the sliding frames 3, and one ends of the four connecting blocks 5 extending to the front faces of the sliding frames 3 are fixedly connected with blackboard bodies 6 in pairs;

a row of arc-shaped bayonets 7 are formed at the top of the inner wall of the sliding frame 3, and clamping assemblies 8 are formed in the four moving frames 4;

through the two blackboard bodies 6 and the two connecting blocks 5 and the two sliding frames 3, teachers can conveniently move the two blackboard bodies 6 left and right according to teaching requirements, and the watching of students at different positions is met;

the display screen 2 can be unfolded or protected conveniently through the left-right movement of the two blackboard bodies 6, the display work of teaching contents can be performed through the display screen 2 through the unfolding of the display screen 2, and the display screen 2 can be protected through the shielding of the display screen 2;

through the setting of chucking subassembly 8, can carry out automatic chucking to blackboard body 6 after controlling the removal, have good location locking function, guarantee its stability after controlling the slip, improved the stability that teacher personnel's teaching content was write.

One side of the back surfaces of the two blackboard bodies 6 is fixedly connected with an operation handle 9;

by setting the operation handle 9, the left and right sliding control of the blackboard body 6 by the hands of the teacher is facilitated.

The clamping assembly 8 comprises a squeezing plate 81 which is slidably connected to the inside of the movable frame 4, two clamping blocks 82 are fixedly connected to the top of the squeezing plate 81, the tops of the two clamping blocks 82 penetrate through the movable frame 4 and extend to the top of the movable frame 4, and the tops of the two clamping blocks 82 are arc-shaped surfaces;

insert in the arc bayonet socket 7 of corresponding position through chucking piece 82 to and set up to the arcwall face through the top of chucking piece 82, not only be convenient for the staff to the removal about the blackboard body 6, have the function of self-align chucking moreover.

Two V-shaped metal elastic sheets 83 are fixedly connected between the bottom of the extrusion plate 81 and the bottom of the inner wall of the movable frame 4;

the extrusion plate 81 can be extruded upwards by the elastic force of the V-shaped metal elastic sheet 83, and then the two clamping blocks 82 can extend out of the movable frame 4 and are inserted into the arc-shaped bayonets 7 at the corresponding positions to form clamping of the movable frame 4 and the sliding frame 3.

The working principle of the double-spelling blackboard with the positioning and locking functions provided by the utility model is as follows:

through the setting of operating handle 9, be convenient for teacher's personnel's hand to the slip control about blackboard body 6, and the motion about blackboard body 6 can drive two connecting blocks 5 side-to-side motion, and then can drive two and remove frame 4 side-to-side motion, after blackboard body 6 side-to-side motion, through the elastic force of V type metal shrapnel 83 self, can upwards extrude stripper plate 81, and then can make two chucking pieces 82 stretch out the inside of removing frame 4, insert in the arc bayonet socket 7 of corresponding position, form the chucking of removing frame 4 and sliding frame 3, and then fix a position locking to blackboard body 6.

Second embodiment

Referring to fig. 6-7 in combination, another dual-spelling blackboard with positioning and locking functions is provided in a second embodiment of the present application based on the dual-spelling blackboard with positioning and locking functions provided in the first embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the two-piece blackboard with positioning and locking functions provided in the second embodiment of the present application is different in that the top and the bottom of the control box 1 are fixedly connected with the guide rail frames 10, and the two blackboard bodies 6 are slidably connected between the front surfaces of the two guide rail frames 10;

by the arrangement of the two guide rail frames 10, the two blackboard bodies 6 can slide left and right conveniently.

A row of locking holes 11 are formed in the bottom of the lower guide rail frame 10, and locking assemblies 12 are arranged at the bottoms of the two blackboard bodies 6;

through the setups of a row of locking holes 11, locking subassembly 12 and guide rail frame 10 of being convenient for carry out the chucking, and then guarantee the stability after its blackboard body 6 side-to-side slides.

The locking assembly 12 comprises an L-shaped plate 121 fixed at the bottom of the blackboard body 6, a driving handle 122 is connected in the L-shaped plate 121 in a sliding manner, a T-shaped locking block 123 is fixedly connected to the top of the driving handle 122, and an extrusion spring 124 is fixedly connected between the T-shaped locking block 123 and the bottom of the inner wall of the L-shaped plate 121;

the T-shaped locking block 123 can be extruded by the elastic force of the extrusion spring 124, so that the T-shaped locking block 123 moves upwards, and then the T-shaped locking block 123 can be inserted into the locking hole 11 at the corresponding position to form locking, so that the stability of the blackboard body 6 after left and right movement is ensured;

when the teacher moves the blackboard body 6 left and right, the teacher only needs to move the driving handle 122 downwards to enable the T-shaped locking block 123 to move out of the locking hole 11, and then moves the driving handle 122 left and right, so that the blackboard body 6 can move left and right, and the function of self-positioning locking is achieved.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims

1. A double-spelling blackboard with positioning and locking functions is characterized by comprising:

a control box (1);

the display screen (2) is fixed on the front surface of the control box (1);

the two sliding frames (3) are respectively fixed at the top and the bottom of the control box (1);

two moving frames (4) are slidably connected to two sides of the interior of the sliding frame (3), connecting blocks (5) are fixedly connected to the front faces of the four moving frames (4), the four connecting blocks (5) penetrate through the sliding frame (3) and extend to the front face of the sliding frame (3), and blackboard bodies (6) are fixedly connected between two ends of one end, extending to the front face of the sliding frame (3), of the four connecting blocks (5);

a row of arc bayonet (7) has been seted up at the top of sliding frame (3) inner wall, chucking subassembly (8) have all been seted up to the inside of four removal frames (4), chucking subassembly (8) including sliding connection in remove inside stripper plate (81) of frame (4), the top fixedly connected with two chucking pieces (82) of stripper plate (81), the top of two chucking pieces (82) all runs through and removes frame (4) and extends to the top of removing frame (4), and the top of two chucking pieces (82) all sets up to the arcwall face, fixedly connected with two V type metal shrapnel (83) between the bottom of stripper plate (81) and the bottom of removing frame (4) inner wall.

2. The double-spelling blackboard with the positioning and locking functions according to claim 1, characterized in that one side of the back surfaces of the two blackboard bodies (6) is fixedly connected with an operation handle (9).

3. The double-spelling blackboard with the positioning and locking functions according to claim 1, wherein the top and the bottom of the control box (1) are fixedly connected with guide rail frames (10), and the two blackboard bodies (6) are slidably connected between the front surfaces of the two guide rail frames (10).

4. A double-spliced blackboard with a positioning and locking function according to claim 3, characterized in that a row of locking holes (11) are formed in the bottom of the lower guide rail frame (10), and locking assemblies (12) are arranged at the bottoms of the two blackboard bodies (6).

5. The double-spliced blackboard with the positioning and locking functions according to claim 4, wherein the locking assembly (12) comprises an L-shaped plate (121) fixed at the bottom of the blackboard body (6), a driving handle (122) is slidably connected in the L-shaped plate (121), a T-shaped locking block (123) is fixedly connected to the top of the driving handle (122), and an extrusion spring (124) is fixedly connected between the T-shaped locking block (123) and the bottom of the inner wall of the L-shaped plate (121).