CN211323916U - Embedded hidden installation device for writing board fixing piece - Google Patents

Abstract

The utility model relates to a clipboard installation technical field especially relates to embedded hidden installation device of clipboard mounting, including wall and lower frame, be connected with right munnion, center and left munnion on the lower frame, the upper end of right munnion, center and left munnion is connected with same upper ledge, the intussuseption of seting up on the wall has been pegged graft to expand tube, it has the bolt to peg graft in the expand tube, the bolt activity cup joints the central point department of putting at the vertical section lateral wall of U template, the horizontal section lateral wall of U template is connected with the upper ledge. The writing board fixing piece adopts the embedded hidden type mounting device, so that the integral effect of the combined lifting writing board is ensured, and the writing board fixing piece is attractive and safe; the cooperation of expansion pipe and bolt is used, improves the stability ability of whole device installation.

Description

Embedded hidden installation device for writing board fixing piece

Technical Field

The utility model relates to a clipboard installation technical field especially relates to the embedded hidden installation device of clipboard mounting.

Background

The writing board is also called as a blackboard, is a plane which can be repeatedly written by chalk, has a hard board surface and is mainly used for teaching. Various writing boards appear, satisfy the teaching demand that goes up and down, remove about, but the installation of general combination lifter plate all adopts external bracket or mounting bracket, can not guarantee like this that the holistic wholeness of combination lifter writing board installation back influences pleasing to the eye again, and when changing the installation blackboard, installer moves about, squats down carelessly in addition, and external bracket or mounting bracket have and make installer injured risk.

To the above problems, an embedded hidden type installation device for a writing board fixing piece is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an embedded hidden installation device of clipboard mounting to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

the built-in hidden mounting device for the writing board fixing piece comprises a wall surface and a lower frame, wherein the lower frame is connected with a right vertical frame, a middle frame and a left vertical frame, the upper ends of the right vertical frame, the middle frame and the left vertical frame are connected with the same upper frame,

the wall surface is provided with a hole, an expansion pipe is inserted in the hole, a bolt is inserted in the expansion pipe, the bolt is movably sleeved at the central position of the side wall of the vertical section of the U-shaped plate, and the side wall of the horizontal section of the U-shaped plate is connected with the upper frame.

Preferably, the bolt is movably sleeved with a gasket, and the gasket is located between the U-shaped plate and the expansion pipe.

Preferably, the bolt is a cross-recessed hexagon head bolt.

Preferably, the length of the U-shaped plate is one third of the length of the upper frame.

The utility model has the advantages that:

the writing board fixing piece adopts the embedded hidden type mounting device, so that the integral effect of the combined lifting writing board is ensured, and the writing board fixing piece is attractive and safe; the cooperation of expansion pipe and bolt is used, improves the stability ability of whole device installation.

Drawings

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

FIG. 2 is a schematic sectional view A-A of the present invention;

FIG. 3 is an enlarged schematic view of the structure B of the present invention;

reference numerals: 1-a wall surface; 2-lower frame; 3-right mullion; 4-left mullion; 5, putting a frame; 6-middle frame; 7-U-shaped plates; 8-expansion pipe; 9-bolt.

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 work 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. 1-3, the built-in hidden type mounting device for the writing board fixing piece comprises a wall surface 1 and a lower frame 2, wherein the lower frame 2 is connected with a right vertical frame 3, a middle frame 6 and a left vertical frame 4, the upper ends of the right vertical frame 3, the middle frame 6 and the left vertical frame 4 are connected with a same upper frame 5,

the expansion pipe 8 is inserted in the hole of seting up on the wall 1, and the interpolation of expansion pipe 8 has bolt 9, and bolt 9 is cross recess hexagonal bolt, and the central point department of putting of 7 vertical section lateral walls of U template is cup jointed in the activity of bolt 9, and 7 horizontal section lateral walls of U template are connected with upper ledge 5, and the length of U template 7 is the third of 5 length of upper ledge, and the gasket has been cup jointed in the activity of bolt 9, and the gasket is located between U template 7 and the expansion pipe 8.

In the present case, welding between lower frame 2, right mullion 3, left mullion 4, upper ledge 5 and the center 6 punches on wall 1, places expansion pipe 8 in the hole, and U template 7 is cup jointed to bolt 9, utilizes the electric drill to install bolt 9 in expansion pipe 8, is connected U template 7 and upper ledge 5.

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 (4)

1. Embedded hidden installation device of clipboard mounting, including wall (1) and lower frame (2), its characterized in that: the lower frame (2) is connected with a right vertical frame (3), a middle frame (6) and a left vertical frame (4), the upper ends of the right vertical frame (3), the middle frame (6) and the left vertical frame (4) are connected with the same upper frame (5),

the wall surface (1) is provided with an expansion pipe (8) in a hole, a bolt (9) is inserted in the expansion pipe (8), the bolt (9) is movably sleeved at the central position of the side wall of the vertical section of the U-shaped plate (7), and the side wall of the horizontal section of the U-shaped plate (7) is connected with the upper frame (5).

2. The tablet holder recessed mounting arrangement of claim 1, wherein: the bolt (9) is movably sleeved with a gasket, and the gasket is located between the U-shaped plate (7) and the expansion pipe (8).

3. The tablet holder recessed mounting arrangement of claim 1, wherein: the bolt (9) is a cross-recessed hexagon head bolt.

4. The tablet holder recessed mounting arrangement of claim 1, wherein: the length of the U-shaped plate (7) is one third of the length of the upper frame (5).

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