CN206357874U - A kind of blackboard with portable chalk box - Google Patents
A kind of blackboard with portable chalk box Download PDFInfo
- Publication number
- CN206357874U CN206357874U CN201620942152.8U CN201620942152U CN206357874U CN 206357874 U CN206357874 U CN 206357874U CN 201620942152 U CN201620942152 U CN 201620942152U CN 206357874 U CN206357874 U CN 206357874U
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- CN
- China
- Prior art keywords
- groove
- chalk
- blackboard
- sleeve
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of blackboard with portable chalk box, including blackboard body and main cartridge, the extension cell body extended forward is formed on the bottom front face of the blackboard body, main cartridge includes upper cartridge body and lower box body, upper cartridge body and lower box body are bolted to connection, chalk is formed on the top surface of upper cartridge body and places groove, the bottom surface that chalk places groove has multiple through holes, connection bending part is fixed with the rear wall of the upper cartridge body, the rear end of connection bending part has the bending plate portion extended downwardly, bending plate portion sleeve is in extension cell body, extend in cell body of the front panel sleeve of cell body between bending plate portion and upper cartridge body, multiple bulb plungers are bolted with the madial wall for the front panel for extending cell body；It, which has, can place chalk on dismountable main cartridge, main cartridge, while the adsorbing powder dust that chalk is produced is collected, substantially reduce dust and blow afloat, effect is good, so as to reduce the influence to user's body.
Description
Technical field：
The utility model is related to teaching aid technical field, more specifically to a kind of to have portable chalk box
Blackboard.
Background technology：
It is usually the chalk holder that chalk etc. is placed in the ledge for chalk on blackboard of blackboard or is placed on dais in existing teaching
In, for the chalk being placed in ledge for chalk on blackboard, dust can be accumulated in ledge for chalk on blackboard by it so that when there is wind ledge for chalk on blackboard in the external world just
The dust of chalk can be blown afloat so that user sucks and unhealthful.
Utility model content：
The purpose of this utility model is aiming at the deficiency of prior art, and providing a kind of has portable chalk box
Blackboard, it, which has, can place chalk on dismountable main cartridge, main cartridge, while the adsorbing powder dust that chalk is produced is received
Collection, substantially reduces dust and blows afloat, effect is good, so as to reduce the influence to user's body.
Technology solution of the present utility model is as follows：
A kind of blackboard with portable chalk box, including blackboard body and main cartridge, the bottom of the blackboard body
The extension cell body extended forward is formed on portion's front face, main cartridge includes upper cartridge body and lower box body, and upper cartridge body and lower box body are logical
Cross bolt to be fixedly connected, chalk is formed on the top surface of upper cartridge body and places groove, the bottom surface that chalk places groove has multiple lead to
Connection bending part is fixed with hole, the rear wall of the upper cartridge body, the rear end of connection bending part has the bending plate extended downwardly
Portion, bending plate portion sleeve extends cell body of the front panel sleeve of cell body between bending plate portion and upper cartridge body in extension cell body
In, multiple bulb plungers are bolted with the madial wall for the front panel for extending cell body, the steel ball of bulb plunger stretches out extension cell body
The madial wall of front panel is simultaneously nested in the shrinkage pool having on the madial wall of bending plate portion, is set on the lower front wall of blackboard body
Flexible piece, elastomer block is pressed against on the rear surface of bending plate portion, and the front face of bending plate portion is pressed against the antetheca of extension cell body
On the madial wall of plate；
Demarcation strip is fixed with the right side of lower box body, lower box body is separated into charging groove and collection groove, entered by demarcation strip
Material groove is in chalk and places the lower section of groove and communicated with through hole, and there is fan to place groove for the right-hand member bottom surface of upper cartridge body, lead to
Blower fan sleeve is placed in fan in groove, and ventilation blower is fixed on bottom fixed board, and bottom fixed board is in fan and places groove
Bottom and be fixed on fan and place on the madial wall of groove, the master that the air inlet sleeve of ventilation blower has on bottom fixed board
In through hole, main through hole is communicated with collection groove, is had on the bottom plate of collection groove and is collected through hole, is collected lid and is fixed on lower box body
On bottom surface, the top surface for collecting lid forms the extension block upwardly extended, and extension block sleeve is in collection groove, the middle part of extension block
With collecting tank, there is lateral through aperture on demarcation strip, lateral through aperture one end is communicated with charging groove, the other end of lateral through aperture and
Collection groove is communicated.
The fan is placed and forms exhaust hole on the side wall of groove.
Baffle plate is fixed with the demarcation strip, baffle plate is in the underface of main through hole, and lateral through aperture is in the lower section of baffle plate.
The top surface edge for collecting lid, which has, has multiple positioning on the steel post upwardly extended, the bottom plate of lower box body
Hole, permanent magnet inserting is enclosed in positioning hole, and the lateral wall of permanent magnet set is fixed on the madial wall of positioning hole, and steel post sleeve exists
Permanent magnet set in and adsorb permanent magnet set in.
Guide plate is fixed with the charging groove, guide plate is in below through hole, has been connected and has been led on the bottom surface of guide plate
Xiang Guan, the other end of guide pipe connects lateral through aperture.
The chalk, which is placed, is fixed with positioning side on the inside middle portion wall of groove, screen pack sleeve places groove in chalk
In and be pressed against positioning side on, ring compression set be nested in chalk place groove in, ring compression set bottom surface be pressed against filtering
There is the top surface edge of web plate, the top exterior walls that ring compression covers extension to be pressed against side, and extension pressing side is pressed against chalk and places recessed
On the top surface of the side wall of groove.
Resilient sleeve is fixed with the lower front wall of the blackboard body, the front end face of resilient sleeve is fixed with front apron, bullet
Spring plug bush is in resilient sleeve, and the rear portion sleeve of elastomer block is in resilient sleeve, and spring one end is fixed on the bottom surface of resilient sleeve, spring
The other end be fixed on the rear end of elastomer block, the front end of elastomer block stretches out front apron and simultaneously forms reclinate pressing portion,
Pressing portion is pressed against on the rear surface of bending plate portion.
The front end of the connection bending part has the post that is spirally connected, and the post that is spirally connected passes through the side wall of upper cartridge body and the side of ring compression set
Wall is simultaneously bolted with fixing nut.
The beneficial effects of the utility model are：
It, which has, can place chalk on dismountable main cartridge, main cartridge, while the adsorbing powder dust that chalk is produced is received
Collection, substantially reduces dust and blows afloat, effect is good, so as to reduce the influence to user's body.
Brief description of the drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is partial sectional view of the present utility model；
Fig. 3 is the partial structural diagram of main cartridge of the present utility model.
Embodiment：
Embodiment：As shown in Fig. 1 to Fig. 3, a kind of blackboard with portable chalk box, including the He of blackboard body 30
The extension cell body 31 extended forward is formed on main cartridge 100, the bottom front face of the blackboard body 30, main cartridge 100 is wrapped
Upper cartridge body 10 and lower box body 20 are included, upper cartridge body 10 and lower box body 20 are bolted to connection, be molded on the top surface of upper cartridge body 10
There is chalk to place groove 11, the bottom surface that chalk places groove 11 has on multiple through holes 12, the rear wall of the upper cartridge body 10 admittedly
Surely there is connection bending part 16, the rear end of connection bending part 16 has the bending plate portion 161 extended downwardly, the sleeve of bending plate portion 161
In extension cell body 31, extend in cell body of the front panel sleeve of cell body 31 between bending plate portion 161 and upper cartridge body 10, extension
Multiple bulb plungers 32 are bolted with the madial wall of the front panel of cell body 31, the steel ball of bulb plunger 32 stretches out extension cell body 31
The madial wall of front panel is simultaneously nested in the shrinkage pool 162 having on the madial wall of bending plate portion 161, before the bottom of blackboard body 30
Side wall is provided with elastomer block 33, and elastomer block 33 is pressed against on the rear surface of bending plate portion 161, the antetheca face pressure of bending plate portion 161
On the madial wall for the front panel for leaning against extension cell body 31；
Demarcation strip 21 is fixed with the right side of lower box body 20, lower box body 20 is separated into charging groove 22 and received by demarcation strip 21
Collect groove 23, charging groove 22 is in chalk and places the lower section of groove 11 and communicated with through hole 12, the right-hand member bottom surface of upper cartridge body 10
Groove 13 is placed with fan, the sleeve of ventilation blower 14 is placed in fan in groove 13, and ventilation blower 14 is fixed on bottom fixed board 15
On, bottom fixed board 15 is in fan and places the bottom of groove 13 and be fixed on the madial wall of fan placement groove 13, ventilation
In the main through hole 151 that the air inlet sleeve of machine 14 has on bottom fixed board 15, main through hole 151 is communicated with collection groove 23,
Have on the bottom plate of collection groove 23 and collect through hole 231, collect lid 24 and be fixed on the bottom surface of lower box body 20, collect the top of lid 24
Face forms the extension block 241 upwardly extended, and the sleeve of extension block 241 is in collection groove 23, and the middle part of extension block 241, which has, receives
Collecting has lateral through aperture 211 on groove 242, demarcation strip 21, the one end of lateral through aperture 211 is communicated with charging groove 22, lateral through aperture 211
The other end communicated with collection groove 23.
Further, the fan is placed and forms exhaust hole 131 on the side wall of groove 13.
Further, baffle plate 25 is fixed with the demarcation strip 21, baffle plate 25 is in the underface of main through hole 151, side
Wall through hole 211 is in the lower section of baffle plate 25.
Further, the top surface edge for collecting lid 24 has the steel post 243 upwardly extended, the bottom of lower box body 20
There are multiple positioning holes 26, permanent magnet covers 27 sleeves in positioning hole 26, and the lateral wall of permanent magnet set 27 is fixed on positioning on plate
On the madial wall in hole 26, the sleeve of steel post 243 is in permanent magnet set 27 and adsorbs in permanent magnet set 27.
Further, guide plate 28 is fixed with the charging groove 22, guide plate 28 is in the lower section of through hole 12, is oriented to
Guide pipe 29 is connected on the bottom surface of plate 28, the other end of guide pipe 29 connects lateral through aperture 211.
Further, the chalk, which is placed, is fixed with positioning side 111, screen pack on the inside middle portion wall of groove 11
112 sleeves are in chalk places groove 11 and are pressed against on positioning side 111, and ring compression set 113 is nested in chalk and places groove
In 11, the bottom surface of ring compression set 113 is pressed against in the top surface edge of screen pack 112, the top exterior walls of ring compression set 113
Side 114 is pressed against with extension, extension is pressed against side 114 and is pressed against on the top surface for the side wall that chalk places groove 11.
Further, resilient sleeve 34, the front end of resilient sleeve 34 are fixed with the lower front wall of the blackboard body 30
Face is fixed with front apron 35, and the sleeve of spring 36 is in resilient sleeve 34, and the rear portion sleeve of elastomer block 33 is in resilient sleeve 34, spring 36
One end is fixed on the bottom surface of resilient sleeve 34, and the other end of spring 36 is fixed on the rear end of elastomer block 33, before elastomer block 33
End stretches out front apron 35 and forms reclinate pressing portion 331, and pressing portion 331 is pressed against the rear surface of bending plate portion 161
On.
Further, the front end of the connection bending part 16 has the post 163 that is spirally connected, and the post 163 that is spirally connected passes through upper cartridge body 10
Side wall and ring compression set 113 side wall and be bolted with fixing nut 164.
Operation principle:By the way that connection bending part 16 is fixed on upper cartridge body 10, then, the bending of bending part 16 will be connected
The sleeve of plate portion 161 is gripped in extension cell body 31 by bulb plunger 32 and elastomer block 33, and it is removed and installed conveniently, so
Afterwards, chalk is placed on screen pack 112 so that chalk dust enters chalk by screen pack 112 and places groove 11
On bottom surface, run by ventilation blower 14, realize air-breathing so that dust is entered in collection groove 23 by guide pipe 29, subsequently into
In collecting tank 242, accumulate after certain dust, firmly pull downward on collection lid 24 and can be taken off toppling over, it is very convenient.
Claims (8)
1. a kind of blackboard with portable chalk box, including blackboard body (30) and main cartridge (100), its feature exist
In：The extension cell body (31) extended forward is formed on the bottom front face of the blackboard body (30), main cartridge (100) includes
Upper cartridge body (10) and lower box body (20), upper cartridge body (10) and lower box body (20) are bolted to connection, the top of upper cartridge body (10)
Chalk is formed on face and places groove (11), the bottom surface that chalk places groove (11) has multiple through holes (12), the upper cartridge body
(10) connection bending part (16) is fixed with rear wall, the rear end of connection bending part (16) has the bending plate portion extended downwardly
(161), bending plate portion (161) sleeve is in extension cell body (31), and the front panel sleeve of extension cell body (31) is in bending plate portion
(161) in the cell body between upper cartridge body (10), multiple ball head columns are bolted with the madial wall of the front panel of extension cell body (31)
Fill in (32), the steel ball of bulb plunger (32) stretches out the madial wall of the front panel of extension cell body (31) and is nested in bending plate portion
(161) in the shrinkage pool (162) having on madial wall, the lower front wall of blackboard body (30) is provided with elastomer block (33), bullet
Property block (33) be pressed against on the rear surface of bending plate portion (161), the front face of bending plate portion (161) is pressed against extension cell body (31)
Front panel madial wall on；
Demarcation strip (21) is fixed with the right side of lower box body (20), lower box body (20) is separated into charging groove by demarcation strip (21)
(22) and collection groove (23), charging groove (22) is in chalk and places the lower section of groove (11) simultaneously communicates with through hole (12), on
There is fan to place groove (13) for the right-hand member bottom surface of box body (10), and ventilation blower (14) sleeve is placed in fan in groove (13), is led to
Blower fan (14) is fixed on bottom fixed board (15), and bottom fixed board (15) is in bottom and the fixation that fan places groove (13)
On the madial wall that fan places groove (13), what the air inlet sleeve of ventilation blower (14) had on bottom fixed board (15)
In main through hole (151), main through hole (151) communicates with collection groove (23), has on the bottom plate of collection groove (23) and collects through hole
(231), collect lid (24) to be fixed on the bottom surface of lower box body (20), the top surface for collecting lid (24) forms the extension upwardly extended
Block (241), extension block (241) sleeve is in collection groove (23), and the middle part of extension block (241) has collecting tank (242), separates
There is lateral through aperture (211), lateral through aperture (211) one end is communicated with charging groove (22), lateral through aperture (211) on plate (21)
The other end is communicated with collection groove (23).
2. a kind of blackboard with portable chalk box according to claim 1, it is characterised in that：The fan is placed
Exhaust hole (131) is formed on the side wall of groove (13).
3. a kind of blackboard with portable chalk box according to claim 1, it is characterised in that：The demarcation strip
(21) baffle plate (25) is fixed with, baffle plate (25) is in the underface of main through hole (151), and lateral through aperture (211) is in baffle plate
(25) lower section.
4. a kind of blackboard with portable chalk box according to claim 1, it is characterised in that：It is described to collect lid
(24) top surface edge, which has, has multiple positioning holes (26) on the steel post (243) upwardly extended, the bottom plate of lower box body (20),
Permanent magnet set (27) sleeve is in positioning hole (26), and the lateral wall of permanent magnet set (27) is fixed on the madial wall of positioning hole (26)
On, steel post (243) sleeve is in permanent magnet set (27) and adsorbs in permanent magnet set (27).
5. a kind of blackboard with portable chalk box according to claim 1, it is characterised in that：The charging groove
(22) guide plate (28) is fixed with, guide plate (28) is in below through hole (12), has been connected and has been led on the bottom surface of guide plate (28)
To pipe (29), the other end of guide pipe (29) connects lateral through aperture (211).
6. a kind of blackboard with portable chalk box according to claim 1, it is characterised in that：The chalk is placed
Positioning side (111) is fixed with the inside middle portion wall of groove (11), screen pack (112) sleeve is placed in chalk in groove (11)
And be pressed against in positioning side (111), ring compression set (113) is nested in chalk and placed in groove (11), ring compression set (113)
Bottom surface be pressed against in the top surface edge of screen pack (112), the top exterior walls of ring compression set (113) there is extension to be pressed against side
(114), extension is pressed against side (114) and is pressed against on the top surface for the side wall that chalk places groove (11).
7. a kind of blackboard with portable chalk box according to claim 1, it is characterised in that：The blackboard body
(30) resilient sleeve (34) is fixed with lower front wall, the front end face of resilient sleeve (34) is fixed with front apron (35), spring
(36) sleeve is in resilient sleeve (34), and the rear portion sleeve of elastomer block (33) is in resilient sleeve (34), and spring (36) one end is fixed on
On the bottom surface of resilient sleeve (34), the other end of spring (36) is fixed on the rear end of elastomer block (33), the front end of elastomer block (33)
Stretch out front apron (35) and form reclinate pressing portion (331), pressing portion (331) are pressed against bending plate portion (161)
On rear surface.
8. a kind of blackboard with portable chalk box according to claim 6, it is characterised in that：The connection bending
The front end in portion (16) has the post (163) that is spirally connected, and the post that is spirally connected (163) passes through the side wall and ring compression set (113) of upper cartridge body (10)
Side wall and be bolted with fixing nut (164).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620942152.8U CN206357874U (en) | 2016-08-25 | 2016-08-25 | A kind of blackboard with portable chalk box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620942152.8U CN206357874U (en) | 2016-08-25 | 2016-08-25 | A kind of blackboard with portable chalk box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206357874U true CN206357874U (en) | 2017-07-28 |
Family
ID=59368414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620942152.8U Expired - Fee Related CN206357874U (en) | 2016-08-25 | 2016-08-25 | A kind of blackboard with portable chalk box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206357874U (en) |
-
2016
- 2016-08-25 CN CN201620942152.8U patent/CN206357874U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20180825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |