CN209274219U - A kind of project cost teaching demonstration device - Google Patents
A kind of project cost teaching demonstration device Download PDFInfo
- Publication number
- CN209274219U CN209274219U CN201822010535.3U CN201822010535U CN209274219U CN 209274219 U CN209274219 U CN 209274219U CN 201822010535 U CN201822010535 U CN 201822010535U CN 209274219 U CN209274219 U CN 209274219U
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- blank
- sliding slot
- slide plate
- erasing
- teaching demonstration
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Abstract
The utility model relates to a kind of project cost teaching demonstration devices, fixed frame including blank and for fixing blank, erasing apparatus is slidably connected on blank, erasing apparatus includes the length direction along blank and the sliding component and erasing part flexible for being slidably connected to blank, erasing part is mounted on one side of the sliding component close to blank, the short transverse that part is wiped along blank is arranged, and erasing part is bonded with the surface of blank.By the way that erasing apparatus is arranged, demonstrator is facilitated to be purged the writing of the position of the eminence of blank.
Description
Technical field
The utility model relates to the technical fields of teaching demonstration equipment, fill more particularly, to a kind of project cost teaching demonstration
It sets.
Background technique
At present generally when carrying out project cost, in order to enable staff to be familiar with professional technological know-how,
It needs to carry out teaching, training to staff, in this process, it is necessary to use teaching demonstration device.
Existing teaching demonstration device includes the fixed frame of blank and fixed blank, and fixed frame is placed on the ground, blank
Side be extended with board slot, be placed with blackboard eraser in board slot.During carrying out teaching demonstration, when needing to wipe the writing on blank
When, the blackboard picked up on board slot carries out erasing work.
When prior art among the above has the following deficiencies: the higher position when writing on the blackboard in blank, demonstrator needs to use
Power stand on tiptoe point or by other tools can by the writing wiped clean on blank, cause it is inconvenient, further influence
The progress of teaching, needs to improve this.
Utility model content
The purpose of the utility model is to provide a kind of project cost teaching demonstration device, has and facilitate wiping blank eminence word
The effect of mark.
The above-mentioned purpose of the utility model has the technical scheme that
A kind of project cost teaching demonstration device, the fixed frame including blank and for fixing blank are sliding on the blank
Dynamic to be connected with erasing apparatus, the erasing apparatus includes the length direction along the blank and the sliding structure for being slidably connected to blank
Part and erasing part flexible, the erasing part are mounted on the sliding component close to the one side of the blank, wipe part described in
The short transverse of blank is arranged, and the erasing part is bonded with the surface of the blank.
By using above-mentioned technical proposal, when needing to wipe the writing on blank, pushes and slide along the length direction of blank
Dynamic device, so that erasing part is slided along the surface of blank, the surface for wiping part and blank generates friction, so that on blank
Writing be wiped free of, the writing positioned at blank eminence can be wiped free of under the sliding of erasing part, simple to operate, convenient
The progress of the work of demonstrator.Polishing piece flexible is arranged in short transverse along blank, without the wiping blank of demonstrator slowly
Each corner, alleviate the work of demonstrator, improve work efficiency.
The utility model is further arranged to: the sliding component includes slide plate and is connected to two of slide plate both ends
Hook part, the slide plate are arranged along the short transverse of the blank, and the erasing part is mounted on the slide plate, two hook parts
It is slidably connected to upper end, lower end in the blank short transverse respectively.
By using above-mentioned technical proposal, slide plate is pinned toward the direction close to blank, applies pressure simultaneously toward the direction of blank
Slide plate is pushed along the length direction of blank, slide plate slides on blank and exists between blank friction, and erasing part generates deformation,
Erasing part is more bonded blank, and the writing on blank is preferably wiped free of.Hook part hooks on blank and on blank
Sliding, blank provide support force to hook part, so that slide plate is not easy to be detached from blank during sliding.
The utility model is further arranged to: the upper/lower terminal of the blank is recessed along the length direction difference of the blank
Falling into has a sliding slot, the sliding slot it is closed at both ends, two hook parts are slidably connected to a sliding slot respectively.
By using above-mentioned technical proposal, sliding slot is set, and the side wall of sliding slot has the function of guiding to hook part, so that hook part
It can be slided along slideway, be not easy to be detached from blank；The both ends of sliding slot are arranged to close so that hook part sliding when not
Easily it is detached from sliding slot.
The utility model is further arranged to: two hook parts are separately installed with a pulley, the pulley and the cunning
Slot is slidably connected.
By using above-mentioned technical proposal, by the way that pulley is arranged so that erasing apparatus is on blank when sliding, pulley with
Sliding, reduces the frictional force between erasing apparatus and sliding slot, the sliding of more convenient slide plate in sliding slot.
The utility model is further arranged to: the blocking for limiting the hook part and sliding slot disengaging is equipped in the sliding slot
Part.
By using above-mentioned technical proposal, block piece is set, so that hook part is not easy to be detached from sliding slot during sliding.
The utility model is further arranged to: the block piece includes in the opening length side along the chute of the sliding slot
To the barrier plate of setting, the barrier plate is blocked in the top of the opening of the sliding slot, and the barrier plate, which is equipped with, supplies the hook
The outlet that portion is stretched out.
By using above-mentioned technical proposal, by the way that barrier plate is arranged, pulley is enclosed in sliding slot by barrier plate, so that pulley
It is remained in sliding slot during sliding.
The utility model is further arranged to: the slide plate is installed respectively along the left and right sides of the length direction of the slide plate
There is a baffle, the baffle favours the slide plate setting towards blank direction, and two pieces of baffles are blocked in the erasing part
Two sides.
By using above-mentioned technical proposal, there may be dust on blank, wipe part wipe the writing on blank when
It waiting, the person of being demonstrated that can descend slowly and lightly of the dust on blank sucks respiratory tract, and deleterious effect is caused to respiratory tract, baffle is set, so that
Part is wiped during wiping blank, the dust on blank can descend slowly and lightly between the one side and blank of blank from baffle,
So that the dust on blank is not easy to descend slowly and lightly everywhere, wiper is impacted.
The utility model is further arranged to: the erasing part is sponge.
By using above-mentioned technical proposal, sponge is porous elastic material, and the surface of blank is there are pit, sponge when wiping
Deformation is generated, the sponge allow is preferably bonded blank, and demonstrator preferably wipes the writing on blank.
In conclusion the advantageous effects of the utility model are as follows:
1. facilitating demonstrator to be purged the writing of the position of the eminence of blank by setting erasing apparatus；
2. the side wall of sliding slot has the function of being oriented to hook part by setting sliding slot and baffle, allow hook part along
Sliding slot sliding, baffle make pulley be not easy to be detached from sliding slot；
3. can reduce the frictional force between erasing apparatus and blank by setting pulley, facilitate the sliding of erasing apparatus；
4. by setting baffle, so that the dust on blank is not easy to descend slowly and lightly everywhere in erasing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the enlarged diagram of A in Fig. 1；
Fig. 3 is the perspective view of the explosion of the erasing apparatus and blank in the present embodiment.
In figure, 1, blank；2, fixed frame；3, sliding component；4, part is wiped；31, slide plate；32, hook part；5, baffle；6, sliding
Slot；7, pulley；8, barrier plate；321, transverse slat；322, riser；9, through-hole；10, shaft；11, fixed block.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Figures 1 and 2, it is a kind of project cost teaching demonstration device disclosed by the utility model, including is rectangle
The blank 1 of setting and fixed frame 2 for fixing blank 1, blank 1 is laterally disposed on the ground, slidably connects on fixed frame 2
Erasing apparatus.
Erasing apparatus includes sliding component 3 and erasing part 4 flexible, and sliding component 3 includes the slide plate for being rectangle setting
31 and two hook parts 32 at 31 both ends of slide plate are respectively hinged at, slide plate 31 is arranged along the short transverse of blank 1, and slide plate 31 is close to hooking
The setting cylindrical of the one end in portion 32, upper and lower end of two hook parts 32 respectively with blank 1 are slidably connected.
Hook part 32 is made of one piece of transverse slat 321 and one piece of riser 322, and one end of riser 322 is placed in sliding slot 6, another
End is stretched out sliding slot 6 and is connect with one end of transverse slat 321, and one end of the other end and slide plate 31 of transverse slat 321 is hinged.
Transverse slat 321 is convexly equipped with two pieces of fixed blocks 11 close to one end of slide plate 31, in fixed block 11 apart from the same of ground
Through-hole 8 is through at one height and position, slide plate 31 is also through with through-hole 9 close to one end of hook part 32, and slide plate 31 is placed on two pieces
It between fixed block 11, and is rotatablely connected by shaft 10 and fixed block 11, slide plate 31 can be towards far from or close to blank 1
10 rotation around the shaft on direction.Slide plate 31 and hook part 32 is hinged, so that when pressing slide plate 31, so that slide plate 31 and hook part 32
Junction can rotate, slide plate 31 can preferably be pressed into blank 1.
31 arranged on left and right sides of slide plate along its length on be respectively and fixedly provided with a rectangular baffle 5, baffle 5 is towards the side of blank 1
It is placed to slide plate 31 is favoured, baffle 5 is blocked in the two sides of erasing part 4, and there are gaps between blank 1.
Erasing part 4 is fixed on slide plate 31 in the one side of blank 1, wipes part 4 with the surface of blank 1 and is bonded placement.It is sliding
Plate 31 can slidably reciprocate on blank 1 on the length direction of blank 1.Erasing part 4 is sponge.
Referring to Fig. 3, the upper and lower end of blank 1 is recessed along the length direction of blank 1 sliding slot 6, sliding slot 6 it is closed at both ends.
One end that transverse slat 321 is located in sliding slot 6 is connected with pulley 7, and pulley 7 is slidably connected with sliding slot 6.
The opening of sliding slot 6 along the chute 6 length direction be fixed with block piece, block piece is barrier plate 8, and sliding slot 6 is opened
Two sides at mouthful are respectively and fixedly provided with a barrier plate 8, and two pieces of barrier plates 8 block between the top that sliding slot 6 is open, two pieces of barrier plates 8
Take the outlet stretched out for riser 322 in.
The working process of this embodiment is as follows:
When needing to wipe the writing on blank 1, pins the middle part of slide plate 31 and push slide plate 31, pulley 7 is in sliding slot 6
Sliding, slide plate 31 are slided along the length direction of blank 1, work of the writing on blank 1 in the frictional force of erasing part 4 and blank 1
It is wiped free of under.By the way that erasing apparatus is arranged, demonstrator is facilitated to be purged the writing of the position of the eminence of blank 1.
By setting sliding slot 6 and baffle 5, the side wall of sliding slot 6 has the function of being oriented to hook part 32, and the hook part 32 made can be with
It is slided along sliding slot 6, baffle 5 makes pulley 7 be not easy to be detached from sliding slot 6.
By the way that baffle 5 is arranged, so that baffle 5 has barrier effect to dust, so that the dust on blank 1 in erasing
It is not easy to descend slowly and lightly everywhere.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of project cost teaching demonstration device, the fixed frame (2) including blank (1) and for fixing blank (1), feature
It is: slidably connects erasing apparatus on the blank (1), the erasing apparatus includes the length direction along the blank (1)
And it is slidably connected to the sliding component (3) of blank (1) and erasing part (4) flexible, the erasing part (4) are mounted on the sliding
One side of the component (3) close to the blank (1), short transverse setting of erasing part (4) along the blank (1), the erasing part
(4) it is bonded with the surface of the blank (1).
2. a kind of project cost teaching demonstration device according to claim 1, it is characterised in that: the sliding component (3)
Including slide plate (31) and two hook parts (32) at slide plate (31) both ends are connected to, the slide plate (31) is along the blank (1)
Short transverse setting, the erasing part (4) is mounted on the slide plate (31), and two hook parts (32) are slidably connected respectively
In upper end, lower end in the blank (1) short transverse.
3. a kind of project cost teaching demonstration device according to claim 2, it is characterised in that: the blank (1) it is upper,
Lower both ends are recessed respectively along the length direction of the blank (1) to be had sliding slot (6), the sliding slot (6) it is closed at both ends, described in two
Hook part (32) is slidably connected to a sliding slot (6) respectively.
4. a kind of project cost teaching demonstration device according to claim 3, it is characterised in that: two hook parts (32)
It is separately installed with a pulley (7), the pulley (7) is slidably connected with the sliding slot (6).
5. a kind of project cost teaching demonstration device according to claim 4, it is characterised in that: set in the sliding slot (6)
The block piece that the restricted hook part (32) and the sliding slot (6) are detached from.
6. a kind of project cost teaching demonstration device according to claim 5, it is characterised in that: the block piece is included in
The barrier plate (8) of the opening of the sliding slot (6) the length direction setting of (6) along the chute, the barrier plate (8) blocks described
The top of the opening of sliding slot (6), the barrier plate (8) are equipped with the outlet stretched out for the hook part (32).
7. a kind of project cost teaching demonstration device according to claim 2, it is characterised in that: the slide plate (31) is along institute
It states and is separately installed at left and right sides of the length direction of slide plate (31) baffle (5), the baffle (5) is inclined towards blank (1) direction
Tiltedly it is arranged in the slide plate (31), two pieces of baffles (5) are blocked in the two sides of erasing part (4).
8. a kind of project cost teaching demonstration device according to claim 1, it is characterised in that: the erasing part (4) is
Sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010535.3U CN209274219U (en) | 2018-11-30 | 2018-11-30 | A kind of project cost teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822010535.3U CN209274219U (en) | 2018-11-30 | 2018-11-30 | A kind of project cost teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209274219U true CN209274219U (en) | 2019-08-20 |
Family
ID=67609595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822010535.3U Active CN209274219U (en) | 2018-11-30 | 2018-11-30 | A kind of project cost teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209274219U (en) |
-
2018
- 2018-11-30 CN CN201822010535.3U patent/CN209274219U/en active Active
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