阅读说明：本技术 一种固定装置的使用方法 (Application method of fixing device ) 是由 詹华山 苏涛 朋宇 欧阳婧芸 黄江 李亚萍 葛圆 陈冲 张文 陈冬 于 2021-08-09 设计创作，主要内容包括：本发明涉及教学用具领域,具体涉及一种固定装置的使用方法；包括以下步骤：步骤一,准备工作：握住定位板的上端,将滑块向下拨动直至压迫钩齿向定位板后方移位并完全越过钩齿；步骤二,安装定位：将定位板背面的定位挂板置于在黑板上边框的上面,将滑块后凸头置于黑板上边框的下面,按压限位板凸头释放滑块,滑块后凸头上的下螺钉向黑板上边框的底面撞击固定；步骤三,使用后拆除：向下拉动大拉环,前挡板下移动挤压并越过钩齿进入钩齿与限位板凸头之间的凹槽中,钩齿恢复对前挡板限制；将定位板从黑板上边框取下,完成拆除。本发明适合在所有具有边框的黑板、白板上挂靠固定使用,不需要破坏黑板旁边的墙面,也不损坏坏黑板以及黑板边框。(The invention relates to the field of teaching aids, in particular to a using method of a fixing device; the method comprises the following steps: step one, preparation work: holding the upper end of the positioning plate, and shifting the slide block downwards until the hook teeth are pressed to shift towards the rear of the positioning plate and completely cross the hook teeth; step two, mounting and positioning: the positioning hanging plate on the back of the positioning plate is arranged on the upper side of the upper frame of the blackboard, the rear raised head of the sliding block is arranged below the upper side frame of the blackboard, the raised head of the limiting plate is pressed to release the sliding block, and a lower screw on the rear raised head of the sliding block impacts and fixes the bottom surface of the upper side frame of the blackboard; step three, dismantling after use: the large pull ring is pulled downwards, the front baffle moves downwards to be extruded and passes through the hook teeth to enter the groove between the hook teeth and the raised head of the limiting plate, and the hook teeth recover to limit the front baffle; and taking down the positioning plate from the upper frame of the blackboard to finish the dismantling. The invention is suitable for being hung and fixed on all blackboards and whiteboards with frames, and does not need to damage the wall surfaces beside the blackboards and damage the blackboards and the frames of the blackboards.)

1. A method of using a fixation device, comprising the steps of:

step one, preparation work:

holding the upper end of the positioning plate, shifting the slide block downwards, pulling the front baffle plate towards the lower part of the hook teeth until the hook teeth are pressed to shift towards the rear of the positioning plate and completely pass through the hook teeth until the hook teeth automatically reset, wherein the automatically reset hook teeth can block the front baffle plate from sliding upwards; turning the upper screw by a screwdriver to enable the conical part of the upper screw to be completely exposed and protrude out of the bottom surface of the upper threaded hole; rotating the lower screw to expose the conic part and to protrude the top of the lower screw hole;

step two, mounting and positioning:

holding the positioning plate, placing the positioning hanging plate on the back of the positioning plate on the upper surface of the upper frame of the blackboard, placing the rear raised head of the slider below the upper frame of the blackboard, enabling the back of the positioning plate and the outer vertical surface of the upper frame of the blackboard to be in a parallel state, and enabling the back of the positioning plate and the outer vertical surface of the upper frame of the blackboard to be close to each other as much as possible; moving the positioning plate downwards to enable the conical tip of the upper screw to contact the upper surface of the upper frame of the blackboard; hooking the hanging piece hole and pulling down, pressing the conical tip of the upper screw on the upper frame of the blackboard and generating indentation, and preventing the positioning plate from moving on the upper frame of the blackboard; the convex head of the limiting plate is pressed to force the hook teeth to retreat into the small strip-shaped holes, when the pressing hook teeth can not restrain the front baffle to slide upwards, the sliding block quickly drives the lower screws on the rear convex head of the sliding block to impact the bottom surface of the upper frame of the blackboard under the pulling of the tension spring, the conical heads of the lower screws can hit the bottom surface of the upper frame of the blackboard and generate indentations on the bottom surface of the upper frame of the blackboard, the conical heads of the lower screws can be left in the indentations on the bottom surface of the upper frame of the blackboard under the action of the tension spring, the installation and the positioning of the positioning plate fixed on the upper frame of the blackboard are completed, and the teaching objects can be stably hung on the pendant holes for display and use;

step three, dismantling after use:

the big pull ring is pulled downwards, so that the front cam of the sliding block drives the front baffle and the sliding block to slide downwards; when the front baffle moves downwards, extrudes and passes through the hook teeth to enter the groove between the hook teeth and the raised head of the limiting plate, the limiting block can automatically reset under the action of the spring piece, and the hook teeth restore to the state of limiting the front baffle; taking down the positioning plate from the upper frame of the blackboard to finish the dismounting of the positioning plate on the upper frame of the blackboard; and (5) reusing, and repeating the three steps.

2. The use method of the fixing device according to claim 1, wherein the lower end of the positioning plate is provided with at least one hanging piece hole.

3. The using method of the fixing device as claimed in claim 1, wherein a slider front protruding head is arranged in front of the slider, and a pull ring hole and a slider through hole are formed in the slider front protruding head; the two sides of the sliding block are provided with rear baffles, and the rear part of the sliding block is provided with a rear raised head of the sliding block.

4. The use method of the fixing device as claimed in, wherein the sliding block can slide up and down in the large-strip-shaped hole; the upper end of the tension spring is fixed on the hanging plate through hole, and the lower end of the tension spring is fixed on the slide block through hole; the slider can be pulled to the top of the large strip-shaped hole upwards by the tension spring all the time under the condition that no external force pulls downwards.

5. The use method of the fixing device according to claim 1, wherein the front end of the limiting block is inserted into the strip-shaped hole from the back of the positioning plate and is pressed forward by the spring piece.

6. The method of claim 1, wherein the upper screw is screwed into the upper threaded hole, and the front end of the upper screw is tapered and can be unscrewed from the bottom surface of the upper threaded hole.

7. The method of claim 1, wherein the lower screw is screwed into the lower threaded hole, the front end of the lower screw is tapered, and the front end of the lower screw is screwed out of the top surface of the lower threaded hole.

8. The method of claim 1, wherein the upper and lower screws are made of high carbon steel.

Technical Field

The invention relates to the field of teaching aids, in particular to a using method of a fixing device.

Background

Teaching objects need to be displayed on a blackboard frequently in teaching, and teaching patterns need to be hung on the blackboard frequently. Because many hooks can not be preset on the existing blackboard to meet the requirement of displaying teaching articles, teaching articles are difficult to display well, and the improvement of primary school efficiency and the improvement of teaching quality are directly influenced. It is necessary to provide teachers with a hanging device which is specially used for fixing teaching objects on a blackboard frame.

Disclosure of Invention

The invention aims to provide a using method of the fixing device, and the fixing device can be installed and fixed on the side frames at the edges of all blackboards, so that reliable hanging objects are provided for displaying teaching objects. In order to achieve the above object, the present invention provides the following technical solution, a method for using a fixing device, comprising the steps of:

step one, preparation work:

holding the upper end of the positioning plate, shifting the slide block downwards, pulling the front baffle plate towards the lower part of the hook teeth until the hook teeth are pressed to shift towards the rear of the positioning plate and completely pass through the hook teeth until the hook teeth automatically reset, wherein the automatically reset hook teeth can block the front baffle plate from sliding upwards; turning the upper screw by a screwdriver to enable the conical part of the upper screw to be completely exposed and protrude out of the bottom surface of the upper threaded hole; rotating the lower screw to expose the conic part and to protrude the top of the lower screw hole;

step two, mounting and positioning:

holding the positioning plate, placing the positioning hanging plate on the back of the positioning plate on the upper surface of the upper frame of the blackboard, placing the rear raised head of the slider below the upper frame of the blackboard, enabling the back of the positioning plate and the outer vertical surface of the upper frame of the blackboard to be in a parallel state, and enabling the back of the positioning plate and the outer vertical surface of the upper frame of the blackboard to be close to each other as much as possible; pressing the positioning plate downwards to enable the conical tip of the upper screw to contact the upper surface of the upper frame of the blackboard; hooking the hanging piece hole and pulling down, pressing the conical tip of the upper screw on the upper frame of the blackboard and generating indentation, and preventing the positioning plate from moving on the upper frame of the blackboard; the convex head of the limiting plate is pressed to force the hook teeth to retreat into the small strip-shaped holes, when the pressing hook teeth can not restrain the front baffle to slide upwards, the sliding block quickly drives the lower screws on the rear convex head of the sliding block to impact the bottom surface of the upper frame of the blackboard under the pulling of the tension spring, the conical heads of the lower screws can hit the bottom surface of the upper frame of the blackboard and generate indentations on the bottom surface of the upper frame of the blackboard, the conical heads of the lower screws can be left in the indentations on the bottom surface of the upper frame of the blackboard under the action of the tension spring, the installation and the positioning of the positioning plate fixed on the upper frame of the blackboard are completed, and the teaching objects can be stably hung on the pendant holes for display and use;

step three, dismantling after use:

the big pull ring is pulled downwards, so that the front cam of the sliding block drives the front baffle and the sliding block to slide downwards; when the front baffle moves downwards, extrudes and passes through the hook teeth to enter the groove between the hook teeth and the raised head of the limiting plate, the limiting block can automatically reset under the action of the spring piece, and the hook teeth restore to the state of limiting the front baffle; taking down the positioning plate from the upper frame of the blackboard to finish the dismounting of the positioning plate on the upper frame of the blackboard; and (5) reusing, and repeating the three steps.

The beneficial effects of the above technical scheme are that:

the upper screw and the lower screw are made of high-carbon steel, and the conical tip of the screw can extrude dents on the blackboard frame made of wood, plastic or aluminum alloy materials and can be firmly fixed on the blackboard frame for being used for hanging teaching aids, so that the teaching objects needing to be hung and displayed in front of the blackboard in teaching can be displayed and demonstrated conveniently and easily, and the teaching efficiency can be improved; the blackboard is suitable for being hung on all blackboards and whiteboards provided with fixed frames, the wall surfaces around the blackboards are not required to be damaged when the blackboard is installed, the blackboards and the fixed frames of the blackboards are not damaged, and the blackboard and the fixed frames of the blackboards are convenient to detach and install again for use.

In the first preferred scheme, as a preferred scheme of the basic scheme, at least one hanging piece hole is formed in the lower end of the positioning plate.

In a second preferred scheme, as a first preferred scheme, a front protruding head of the sliding block is arranged in front of the sliding block, and a pull ring hole and a sliding block through hole are formed in the front protruding head of the sliding block; the two sides of the sliding block are provided with rear baffles, and the rear part of the sliding block is provided with a rear raised head of the sliding block.

Preferably, the third scheme is that as the second scheme, the sliding block can slide up and down in the large-strip-shaped hole; the upper end of the tension spring is fixed on the hanging plate through hole, and the lower end of the tension spring is fixed on the slide block through hole; the slider can be pulled to the top of the large strip-shaped hole upwards by the tension spring all the time under the condition that no external force pulls downwards.

Preferably, the front end of the limiting block penetrates into the strip-shaped hole from the back of the positioning plate and is pressed towards the front by the spring piece.

Preferably, as a preferred scheme of the basic scheme or the preferred scheme of the fourth scheme, the upper screw can be screwed into the upper threaded hole, the front end of the upper screw is conical, and the front end of the upper screw can be screwed out from the bottom surface of the upper threaded hole; the lower screw can be screwed into the lower threaded hole, the front end of the lower screw is conical, and the front end of the lower screw can be screwed out from the top surface of the lower threaded hole.

Preferably, in a sixth aspect, as a preferred aspect of the basic aspect or the fifth aspect, the upper screw and the lower screw are made of high-carbon steel.

Drawings

Fig. 1 is a front perspective view of the present invention (a state where the front baffle 70 is restricted by the hook tooth 32 and the tension spring 60 cannot pull the slider 20 to slide upward);

fig. 2 is a front side top perspective view of the present invention (a state where the front baffle 70 is separated from the restriction of the hook teeth 32 and the tension spring 60 pulls the slider 20 to move to the top surface of the large-sized hole 11);

fig. 3 is a top perspective view of the back side of the present invention (a state where the front barrier 70 is restricted by the hook teeth 32 and the tension spring 60 cannot pull the slider 20 to slide upward);

FIG. 4 is a block diagram of the components of the present invention;

FIG. 5 is a schematic diagram showing the relationship of the components of the present invention fixed to the upper frame 90 of the blackboard;

FIG. 6 is a schematic diagram showing the relationship of the components fixed to the upper frame 90 of the blackboard according to the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the blackboard comprises a positioning plate 10, a large strip-shaped hole 11, a small strip-shaped hole 12, a spring hanging plate 13, a hanging plate through hole 14, a positioning hanging plate 15, an upper threaded hole 16, an upper screw 17, a sliding groove 18, a hanging part hole 19, a sliding block 20, a sliding block front raised head 21, a pull ring hole 211, a sliding block through hole 22, a rear baffle plate 23, a sliding block rear raised head 24, a lower threaded hole 25, a lower screw 26, a limiting block 30, a limiting block baffle plate 31, a hook tooth 32, a limiting plate raised head 33, a spring piece 40, a spring positioning hole 41, a spring positioning nail 42, a pull wire 50, a small pull ring 51, a large pull ring 52, a tension spring 60, a front baffle plate 70, a front baffle plate positioning hole 71, a rivet 72, a blackboard 80 and a blackboard upper frame 90.

In an embodiment, a method of using a fixation device includes the steps of:

step one, preparation work:

holding the upper end of the positioning plate 10, shifting the slide block 20 downwards, pulling the front baffle plate 70 towards the lower part of the hook teeth 32 until the hook teeth 32 are pressed to displace towards the rear of the positioning plate 10 and completely cross the hook teeth 32 until the hook teeth 32 automatically reset, wherein the automatically reset hook teeth 32 can block the front baffle plate 70 and cannot slide upwards; turning the upper screw 17 with a screwdriver so that its tapered portion is completely exposed and protrudes from the bottom surface of the upper threaded hole 16; turning the lower screw 26 so that its tapered portion is completely exposed and protrudes above the top surface of the lower threaded hole 25;

the specific structure is shown in fig. 1 to 6: the hanging device fixedly used on the blackboard frame comprises a positioning plate 10, a sliding block 20, a limiting block 30, a spring piece 40, a pull wire 50, a tension spring 60 and a front baffle 70; the positioning plate is characterized in that a large-strip-shaped hole 11 and a small-strip-shaped hole 12 are formed in the middle of the positioning plate 10, a spring hanging plate 13 is arranged in front of the upper end of the positioning plate 10, and a hanging plate through hole 14 is formed in the spring hanging plate 13; a positioning hanging plate 15 is arranged behind the upper end of the positioning plate 10, an upper threaded hole 16 is formed in the positioning hanging plate 15, and a screw 17 is matched with the threaded hole 16; a chute 18 is arranged behind the large-strip-shaped hole 11 of the positioning plate 10; the lower end of the positioning plate 10 is provided with a hanging piece hole 19; a slider front raised head 21 is arranged in front of the slider 20, and a pull ring hole 211 and a slider through hole 22 are formed in the slider front raised head 21; rear baffles 23 are arranged at two sides of the slider 20, a slider rear raised head 24 is arranged behind the slider 20, a lower threaded hole 25 is formed in the rear raised head 24, and a lower screw 26 is matched with the lower threaded hole 25; the front end of the sliding block 20 is placed into the large-strip-shaped hole 11 from the back of the positioning plate 10, and the rivet 72 penetrates through the front baffle positioning hole 71 to fix the front baffle 70 on the sliding block 20; the slide block 20 can slide up and down in the large-strip-shaped hole 11; the upper end of the tension spring 60 is fixed on the hanging plate through hole 14, and the lower end of the tension spring 60 is fixed on the slide block through hole 22; the slider 20 is always pulled upwards to the top of the large-strip-shaped hole 11 by the tension spring 60 under the condition that no external force is applied to pull downwards; a small pull ring 51 is fixed in the pull ring hole 211, one end of the pull wire 50 is connected with the small pull ring 51, and the other end is connected with a large pull ring 52; the big pull ring 52 is pulled downwards, so that the slide block 20 can be pulled to the bottom of the strip-shaped hole 11; limiting block baffles 31 are arranged at two sides of the limiting block 30, and hook teeth 32 and a limiting block raised head 33 are arranged in front of the limiting block 30; the front end of the limiting block 30 penetrates into the strip-shaped hole 12 from the back of the positioning plate 10 and is pressed towards the front by the spring piece 40; the spring piece 40 is fixed on the spring positioning hole 41 by a spring positioning nail 42; when the sliding block 20 is pulled to the bottom of the strip-shaped hole 11, the front baffle 70 can press the hook teeth 32 to move towards the rear of the positioning plate 10 and cross the hook teeth 32, the front baffle 70 crosses the hook teeth 32, and the hook teeth 32 automatically reset under the action of the spring piece 40 and prevent the baffle 70 from retreating; the raised head 33 of the limiting plate in front of the limiting block 30 applies pressure towards the rear of the positioning plate 10, the limiting block 30 can move towards the rear of the positioning plate 10 to stop applying pressure, the limiting block 30 automatically resets under the action of the spring piece 40, the hook teeth 32 on the limiting block 30 do not limit the movement of the front baffle 70, and the tension spring 60 can pull the slider 20 to move to the top of the large strip-shaped hole 11.

Step two, mounting and positioning:

holding the positioning plate 10, placing the positioning hanging plate 15 on the back of the positioning plate 1 on the upper surface of the upper frame 90 of the blackboard, placing the rear raised head 24 of the slider below the upper frame 90 of the blackboard, keeping the back of the positioning plate 10 parallel to the outer vertical surface of the upper frame 90 of the blackboard, and keeping the back of the positioning plate 10 close to the outer vertical surface of the upper frame 90 of the blackboard as much as possible; moving the positioning plate 10 downwards to make the conical tip of the upper screw 17 contact the upper surface of the blackboard upper frame 90; hooking the hanging hole 19 and pulling downwards to enable the conical tip of the upper screw 17 to press the upper frame 90 of the blackboard and generate an indentation, so that the positioning plate 10 cannot move on the upper frame 90 of the blackboard; the convex head 33 of the limiting plate is pressed to force the hook tooth 32 to retreat into the strip-shaped hole 12, when the front baffle 70 cannot be restrained by pressing the hook tooth 32 to slide upwards, the slider 20 rapidly drives the lower screw 26 on the rear convex head 24 of the slider to impact the bottom surface of the upper blackboard frame 90 under the pulling of the tension spring 60, the conical head of the lower screw 26 can hit the bottom surface of the upper blackboard frame 90 and generate indentation on the bottom surface of the upper blackboard frame 90, the conical head of the lower screw 26 can be remained in the indentation on the bottom surface of the upper blackboard frame 90 under the action of the tension spring 60, the installation and positioning of the positioning plate 10 on the upper blackboard frame 90 are completed, and the teaching object can be stably hung on the hanging hole 19 for display and use;

step three, dismantling after use:

the large pull ring 52 is pulled downwards, so that the front projection 21 of the sliding block drives the front baffle 70 and the sliding block 20 to slide downwards; when the front baffle 70 moves downwards, presses and passes over the hook teeth 32 to enter the grooves between the hook teeth 32 and the raised heads 33 of the limiting plate, the limiting block 30 automatically resets under the action of the spring pieces 40, and the hook teeth 32 restore the state of limiting the front baffle 70; taking down the positioning plate 10 from the blackboard upper frame 90 to finish the dismounting of the positioning plate 10 on the blackboard upper frame 90; and (5) reusing, and repeating the three steps.

The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.