CN205318700U - Mathematics teaching device - Google Patents
Mathematics teaching device Download PDFInfo
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- CN205318700U CN205318700U CN201620005214.2U CN201620005214U CN205318700U CN 205318700 U CN205318700 U CN 205318700U CN 201620005214 U CN201620005214 U CN 201620005214U CN 205318700 U CN205318700 U CN 205318700U
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Abstract
The utility model relates to a teaching aid especially relates to a mathematics teaching device. The to -be -solved technical problem of the utility model is to provide an attention that can enough attract students, can improve student's interest in learning and can the intuitively know the mathematics teaching device of elevating system during operation mechanical parts's commonly used motion mode again. In order to solve the technical problem, the utility model provides a such mathematics teaching device including base, elevating gear I, elevating gear II, elevating gear III, elevating gear IV etc. Has from left to right set gradually elevating gear I, elevating gear II, elevating gear III, elevating gear IV, elevating gear V etc. On the base, I upper end of elevating gear is connected with counts stick I. The utility model discloses the attention that can enough attract students has been reached, student's interest in learning can be improved and can know the effect of elevating system during operation mechanical parts's commonly used motion mode directly perceivedly again.
Description
Technical field
This utility model relates to a kind of teaching aid, particularly relates to a kind of teaching apparatus for mathematics.
Background technology
Mathematics (mathematics), is a subject of the concepts such as research quantity, structure, change, space and information, belongs to the one of formal science in terms of certain angle.
Using " mathematics brief history ", mathematics studies the science of the upper various structures (relation) of set exactly, it is seen then that mathematics is an abstract subject, and rigorous process is the key of mathematical abstractions.
Mathematics plays irreplaceable effect in development of human history and social life, is also study and the research requisite basic tool of modern science and technology.
Existing teaching apparatus for mathematics cannot attract the attention of students, it is difficult to improve student learning interest, cause that quality of instruction is low, and cannot therefrom understand the motion mode of mechanical part during the work of conventional elevating mechanism, therefore need badly a kind of can either attract students attention, student learning interest can be improved and the teaching apparatus for mathematics of the motion mode of mechanical part when conventional elevating mechanism works can be recognized intuitively again.
Utility model content
(1) to solve the technical problem that
This utility model in order to overcome existing teaching aid can not reflect to intuitive and convenient the teaching process of mathematics, mathematical education indigestion, the shortcoming of the internal structure of instructional device cannot be understood, the technical problems to be solved in the utility model be to provide a kind of can either attract students attention, student learning interest can be improved and the teaching apparatus for mathematics of the motion mode of mechanical part when conventional elevating mechanism works can be recognized intuitively again.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides such a teaching apparatus for mathematics, includes base, lowering or hoisting gear I, lowering or hoisting gear II, lowering or hoisting gear III, lowering or hoisting gear IV, lowering or hoisting gear V, lowering or hoisting gear VI, lowering or hoisting gear VII, lowering or hoisting gear VIII, lowering or hoisting gear Ⅸ, lowering or hoisting gear Ⅹ, number number rod I, number number rod II, number number rod III, number number rod IV, number number rod V, number number rod VI, number number rod VII, number number rod VIII, number number rod Ⅸ, number number rod Ⅹ, support I, servomotor I, gear, connecting rod, guide pin bushing, tooth bar, slide rail, slide block, electronic reel, bracing wire, support II, servomotor II, step, top chock, screw mandrel, nut and support III, base is from left to right disposed with lowering or hoisting gear I, lowering or hoisting gear II, lowering or hoisting gear III, lowering or hoisting gear IV, lowering or hoisting gear V, lowering or hoisting gear VI, lowering or hoisting gear VII, lowering or hoisting gear VIII, lowering or hoisting gear Ⅸ and lowering or hoisting gear Ⅹ, lowering or hoisting gear I upper end is connected to several rod I, lowering or hoisting gear II upper end is connected to several rod II, lowering or hoisting gear III upper end is connected to several rod III, lowering or hoisting gear IV upper end is connected to several rod IV, lowering or hoisting gear V upper end is connected to several rod V, lowering or hoisting gear VI upper end is connected to several rod VI, lowering or hoisting gear VII upper end is connected to several rod VII, lowering or hoisting gear VIII upper end is connected to several rod VIII, lowering or hoisting gear Ⅸ upper end is connected to several rod Ⅸ, and lowering or hoisting gear Ⅹ upper end is connected to several rod Ⅹ, lowering or hoisting gear I includes support I, servomotor I, gear, connecting rod, guide pin bushing and tooth bar, base is provided with support I, being connected to servomotor I on the top of support I, the dead ahead of servomotor I is provided with gear, gear and servomotor I and connects, the right of support I is connected to connecting rod, connecting rod is fixed on base, and connecting rod upper end is connected to guide pin bushing, and the left end of guide pin bushing is connected to tooth bar, rack and pinion engages, and number number rod I is located at tooth bar top, lowering or hoisting gear II includes slide rail, slide block, electronic reel and bracing wire, base is provided with slide rail, slide rail is provided with slide block, slide block and slide rail coordinate, the top left hand of slide rail is provided with electronic reel, being connected to bracing wire between electronic reel and slide block, bracing wire is wound on electronic reel, and number number rod II is located at slide block top, lowering or hoisting gear III includes support II, servomotor II, step, top chock, screw mandrel, nut and support III, base is provided with support II, support II is disposed with top chock, step and servomotor II from top to bottom, screw mandrel it is connected between top chock and step, the lower end of screw mandrel is connected with servomotor II, servomotor II is fixed on base, nut it is connected in the middle of screw mandrel, screw mandrel and nut screw connection, the right-hand member of nut is connected to support III, and number number rod III is located at the right side on support III, lowering or hoisting gear IV, lowering or hoisting gear V, lowering or hoisting gear VI, lowering or hoisting gear VII, lowering or hoisting gear VIII, lowering or hoisting gear Ⅸ and lowering or hoisting gear Ⅹ respectively different types of cylinder.
Preferably, also including bell glass, bell glass is located on base.
Preferably, number rod I, number number rod II, number number rod III, number number rod IV, number number rod V, number number rod VI, number number rod VII, number number rod VIII, the number number rod Ⅸ sum number rod Ⅹ height when stretching out are counted all consistent.
Operation principle: when to stretch out several rod I, control servomotor I to reverse, servomotor I driven gear reverses, and gear driven tooth bar moves up, and tooth bar moves up in guide pin bushing, rack drives number number rod I protrudes upward, when need not number rod I time, servomotor I rotates forward, driven gear rotate forward, gear driven tooth bar moves down, and rack drives number number rod I is retracted downwards, when to stretch out several rod II, control the reversion of electronic reel, electronic reel drives bracing wire to move up, and bracing wire pulls slide block to move up, and slide block drives number number rod II to protrude upward, when need not number rod II time, controlling electronic reel slowly to rotate forward, now bracing wire no longer pulls slide block, due to the gravity of slide block itself, slide block can move down, and slide block drives number number rod II to retract downwards, when to stretch out several rod III, controlling servomotor II to rotate forward, servomotor II drives screw mandrel to rotate forward, and screw mandrel drives nut to move up, nut drives support III to move up, support III drives number number rod III to move up, when need not number rod III, servomotor II reverses, servomotor II drives screw mandrel to reverse, screw mandrel drives nut to move down, and nut drives support III to move down, and support III drives number number rod III to retract downwards, when needs number number rod IV, number number rod V, number number rod VI, number number rod VII, number number rod VIII, when number number rod Ⅸ sum number rod Ⅹ stretches out, control lowering or hoisting gear IV, lowering or hoisting gear V, lowering or hoisting gear VI, lowering or hoisting gear VII, lowering or hoisting gear VIII, lowering or hoisting gear Ⅸ and lowering or hoisting gear Ⅹ i.e. different types of cylinder protrudes upward, drive corresponding number number rod IV, number number rod V, number number rod VI, number number rod VII, number number rod VIII, number number rod Ⅸ sum number rod Ⅹ protrudes upward, when need not number rod IV, number number rod V, number number rod VI, number number rod VII, number number rod VIII, when number number rod Ⅸ sum number rod Ⅹ stretches out, control lowering or hoisting gear IV, lowering or hoisting gear V, lowering or hoisting gear VI, lowering or hoisting gear VII, lowering or hoisting gear VIII, lowering or hoisting gear Ⅸ and lowering or hoisting gear Ⅹ i.e. different types of cylinder is retracted downwards, drive corresponding number number rod IV, number number rod V, number number rod VI, number number rod VII, number number rod VIII, number number rod Ⅸ sum number rod Ⅹ is retracted downwards.
Because also including bell glass, bell glass is located on base, and bell glass can play the effect of protection device, clearly observes mathematics teaching process, and prevents student from touching device, it is ensured that the safety of student.
Because height when number number rod I, number number rod II, number number rod III, number number rod IV, number number rod V, number number rod VI, number number rod VII, number number rod VIII, number number rod Ⅸ sum number rod Ⅹ stretch out is all consistent, improve the aesthetic property of this device. (3) beneficial effect
This utility model has reached to attract the attention of students, can improve student learning interest and can recognize the effect of the motion mode of mechanical part when conventional elevating mechanism works intuitively again.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is the main TV structure schematic diagram of this utility model lowering or hoisting gear I.
Fig. 3 is the main TV structure schematic diagram of this utility model lowering or hoisting gear II.
Fig. 4 is the main TV structure schematic diagram of this utility model lowering or hoisting gear III.
Fig. 5 is main TV structure schematic diagram of the present utility model.
Being labeled as in accompanying drawing: 1-base, 2-lowering or hoisting gear I, 3-lowering or hoisting gear II, 4-lowering or hoisting gear III, 5-lowering or hoisting gear IV, 6-lowering or hoisting gear V, 7-lowering or hoisting gear VI, 8-lowering or hoisting gear VII, 9-lowering or hoisting gear VIII, 10-lowering or hoisting gear Ⅸ, 11-lowering or hoisting gear Ⅹ, 12-number number rod I, 13-number number rod II, 14-number number rod III, 15-number number rod IV, 16-number number rod V, 17-number number rod VI, 18-number number rod VII, 19-number number rod VIII, 20-number number rod Ⅸ, 21-number number rod Ⅹ, 22-support I, 23-servomotor I, 24-gear, 25-connecting rod, 26-guide pin bushing, 27-tooth bar, 28-slide rail, 29-slide block, the electronic reel of 30-, 31-bracing wire, 32-support II, 33-servomotor II, 34-step, 35-top chock, 36-screw mandrel, 37-nut, 38-support III, 39-bell glass.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described.
Embodiment 1
A kind of teaching apparatus for mathematics, as Figure 1-5, includes base 1, lowering or hoisting gear I 2, lowering or hoisting gear II 3, lowering or hoisting gear III 4, lowering or hoisting gear IV 5, lowering or hoisting gear V 6, lowering or hoisting gear VI 7, lowering or hoisting gear VII 8, lowering or hoisting gear VIII 9, lowering or hoisting gear Ⅸ 10, lowering or hoisting gear Ⅹ 11, number number rod I 12, number number rod II 13, number number rod III 14, number number rod IV 15, number number rod V 16, number number rod VI 17, number number rod VII 18, number number rod VIII 19, number number rod Ⅸ 20, number number rod Ⅹ 21, support I 22, servomotor I 23, gear 24, connecting rod 25, guide pin bushing 26, tooth bar 27, slide rail 28, slide block 29, electronic reel 30, bracing wire 31, support II 32, servomotor II 33, step 34, top chock 35, screw mandrel 36, nut 37 and support III 38, base 1 is from left to right disposed with lowering or hoisting gear I 2, lowering or hoisting gear II 3, lowering or hoisting gear III 4, lowering or hoisting gear IV 5, lowering or hoisting gear V 6, lowering or hoisting gear VI 7, lowering or hoisting gear VII 8, lowering or hoisting gear VIII 9, lowering or hoisting gear Ⅸ 10 and lowering or hoisting gear Ⅹ 11, lowering or hoisting gear I 2 upper end is connected to several rod I 12, lowering or hoisting gear II 3 upper end is connected to several rod II 13, lowering or hoisting gear III 4 upper end is connected to several rod III 14, lowering or hoisting gear IV 5 upper end is connected to several rod IV 15, lowering or hoisting gear V 6 upper end is connected to several rod V 16, lowering or hoisting gear VI 7 upper end is connected to several rod VI 17, lowering or hoisting gear VII 8 upper end is connected to several rod VII 18, lowering or hoisting gear VIII 9 upper end is connected to several rod VIII 19, lowering or hoisting gear Ⅸ 10 upper end is connected to several rod Ⅸ 20, and lowering or hoisting gear Ⅹ 11 upper end is connected to several rod Ⅹ 21, lowering or hoisting gear I 2 includes support I 22, servomotor I 23, gear 24, connecting rod 25, guide pin bushing 26 and tooth bar 27, base 1 is provided with support I 22, the top of support I 22 is connected to servomotor I 23, the dead ahead of servomotor I 23 is provided with gear 24, gear 24 and servomotor I 23 connect, the right of support I 22 is connected to connecting rod 25, connecting rod 25 is fixed on base 1, connecting rod 25 upper end is connected to guide pin bushing 26, the left end of guide pin bushing 26 is connected to tooth bar 27, tooth bar 27 and gear 24 engage, and number number rod I 12 is located at tooth bar 27 top, lowering or hoisting gear II 3 includes slide rail 28, slide block 29, electronic reel 30 and bracing wire 31, base 1 is provided with slide rail 28, slide rail 28 is provided with slide block 29, slide block 29 and slide rail 28 coordinate, the top left hand of slide rail 28 is provided with electronic reel 30, being connected to bracing wire 31 between electronic reel 30 and slide block 29, bracing wire 31 is wound on electronic reel 30, and number number rod II 13 is located at slide block 29 top,Lowering or hoisting gear III 4 includes support II 32, servomotor II 33, step 34, top chock 35, screw mandrel 36, nut 37 and support III 38, base 1 is provided with support II 32, support II 32 is disposed with top chock 35 from top to bottom, step 34 and servomotor II 33, screw mandrel 36 it is connected between top chock 35 and step 34, the lower end of screw mandrel 36 is connected with servomotor II 33, servomotor II 33 is fixed on base 1, it is connected to nut 37 in the middle of screw mandrel 36, screw mandrel 36 and nut 37 coordinate, the right-hand member of nut 37 is connected to support III 38, number number rod III 14 is located at the right side on support III 38, lowering or hoisting gear IV 5, lowering or hoisting gear V 6, lowering or hoisting gear VI 7, lowering or hoisting gear VII 8, lowering or hoisting gear VIII 9, lowering or hoisting gear Ⅸ 10 and lowering or hoisting gear Ⅹ 11 respectively different types of cylinder.
Also including bell glass 39, bell glass 39 is located on base 1.
Height when number number rod I 12, number number rod II 13, number number rod III 14, number number rod IV 15, number number rod V 16, number number rod VI 17, number number rod VII 18, number number rod VIII 19, number number rod Ⅸ 20 sum number rod Ⅹ 21 stretch out is all consistent.
Operation principle: when to stretch out several rod I 12, control servomotor I 23 reversion, servomotor I 23 driven gear 24 reverses, and gear 24 band carry-over bar 27 moves up, and tooth bar 27 moves up in guide pin bushing 26, tooth bar 27 drives number number rod I 12 to protrude upward, when need not number rod I 12 time, servomotor I 23 rotate forward, driven gear 24 rotates forward, gear 24 band carry-over bar 27 moves down, and tooth bar 27 drives number number rod I 12 to retract downwards, when to stretch out several rod II 13, control electronic reel 30 to reverse, electronic reel 30 drives bracing wire 31 to move up, and bracing wire 31 pulls slide block 29 to move up, and slide block 29 drives number number rod II 13 to protrude upward, when need not number rod II 13 time, controlling electronic reel 30 slowly to rotate forward, now bracing wire 31 no longer pulls slide block 29, due to the gravity of slide block 29 itself, slide block 29 can move down, and slide block 29 drives number number rod II 13 to retract downwards, when to stretch out several rod III 14, controlling servomotor II 33 to rotate forward, servomotor II 33 drives screw mandrel 36 to rotate forward, and screw mandrel 36 drives nut 37 to move up, nut 37 drives support III 38 to move up, support III 38 drives number number rod III 14 to move up, when need not number rod III 14, servomotor II 33 reverses, servomotor II 33 drives screw mandrel 36 to reverse, screw mandrel 36 drives nut 37 to move down, and nut 37 drives support III 38 to move down, and support III 38 drives number number rod III 14 to retract downwards, when needs number number rod IV 15, number number rod V 16, number number rod VI 17, number number rod VII 18, number number rod VIII 19, when number number rod Ⅸ 20 sum number rod Ⅹ 21 stretches out, control lowering or hoisting gear IV 5, lowering or hoisting gear V 6, lowering or hoisting gear VI 7, lowering or hoisting gear VII 8, lowering or hoisting gear VIII 9, lowering or hoisting gear Ⅸ 10 and lowering or hoisting gear Ⅹ 11 i.e. different types of cylinder protrudes upward, and drives corresponding number number rod IV 15, number number rod V 16, number number rod VI 17, number number rod VII 18, number number rod VIII 19, number numbers rod Ⅸ 20 sum numbers rod Ⅹ 21 protrudes upward, when need not number rod IV 15, number number rod V 16, number number rod VI 17, number number rod VII 18, number number rod VIII 19, when number number rod Ⅸ 20 sum number rod Ⅹ 21 stretches out, control lowering or hoisting gear IV 5, lowering or hoisting gear V 6, lowering or hoisting gear VI 7, lowering or hoisting gear VII 8, lowering or hoisting gear VIII 9, lowering or hoisting gear Ⅸ 10 and lowering or hoisting gear Ⅹ 11 i.e. different types of cylinder is retracted downwards, drives corresponding number number rod IV 15, number number rod V 16, number number rod VI 17, number number rod VII 18, number number rod VIII 19, number number rod Ⅸ 20 sum number rod Ⅹ 21 is retracted downwards.
Because also including bell glass 39, bell glass 39 is located on base 1, and bell glass 39 can play the effect of protection device, clearly observes mathematics teaching process, and prevents student from touching device, it is ensured that the safety of student.
Because height when number number rod I 12, number number rod II 13, number number rod III 14, number number rod IV 15, number number rod V 16, number number rod VI 17, number number rod VII 18, number number rod VIII 19, number number rod Ⅸ 20 sum number rod Ⅹ 21 stretch out is all consistent, improve the aesthetic property of this device.
Embodiment described above only have expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims. It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make some deformation, improvement and replacement, these broadly fall into protection domain of the present utility model. Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (3)
1. a teaching apparatus for mathematics, it is characterised in that include base (1), lowering or hoisting gear I (2), lowering or hoisting gear II (3), lowering or hoisting gear III (4), lowering or hoisting gear IV (5), lowering or hoisting gear V (6), lowering or hoisting gear VI (7), lowering or hoisting gear VII (8), lowering or hoisting gear VIII (9), lowering or hoisting gear Ⅸ (10), lowering or hoisting gear Ⅹ (11), number number rod I (12), number number rod II (13), number number rod III (14), number number rod IV (15), number number rod V (16), number number rod VI (17), number number rod VII (18), number number rod VIII (19), number number rod Ⅸ (20), number number rod Ⅹ (21), support I (22), servomotor I (23), gear (24), connecting rod (25), guide pin bushing (26), tooth bar (27), slide rail (28), slide block (29), electronic reel (30), bracing wire (31), support II (32), servomotor II (33), step (34), top chock (35), screw mandrel (36), nut (37) and support III (38), base (1) is from left to right disposed with lowering or hoisting gear I (2), lowering or hoisting gear II (3), lowering or hoisting gear III (4), lowering or hoisting gear IV (5), lowering or hoisting gear V (6), lowering or hoisting gear VI (7), lowering or hoisting gear VII (8), lowering or hoisting gear VIII (9), lowering or hoisting gear Ⅸ (10) and lowering or hoisting gear Ⅹ (11), lowering or hoisting gear I (2) upper end is connected to several rod I (12), lowering or hoisting gear II (3) upper end is connected to several rod II (13), lowering or hoisting gear III (4) upper end is connected to several rod III (14), lowering or hoisting gear IV (5) upper end is connected to several rod IV (15), lowering or hoisting gear V (6) upper end is connected to several rod V (16), lowering or hoisting gear VI (7) upper end is connected to several rod VI (17), lowering or hoisting gear VII (8) upper end is connected to several rod VII (18), lowering or hoisting gear VIII (9) upper end is connected to several rod VIII (19), lowering or hoisting gear Ⅸ (10) upper end is connected to several rod Ⅸ (20), and lowering or hoisting gear Ⅹ (11) upper end is connected to several rod Ⅹ (21), lowering or hoisting gear I (2) includes support I (22), servomotor I (23), gear (24), connecting rod (25), guide pin bushing (26) and tooth bar (27), base (1) is provided with support I (22), the top of support I (22) is connected to servomotor I (23), the dead ahead of servomotor I (23) is provided with gear (24), gear (24) and servomotor I (23) connect, the right of support I (22) is connected to connecting rod (25), connecting rod (25) is fixed on base (1), connecting rod (25) upper end is connected to guide pin bushing (26), the left end of guide pin bushing (26) is connected to tooth bar (27), tooth bar (27) and gear (24) engagement, number number rod I (12) is located at tooth bar (27) top,Lowering or hoisting gear II (3) includes slide rail (28), slide block (29), electronic reel (30) and bracing wire (31), base (1) is provided with slide rail (28), slide rail (28) is provided with slide block (29), slide block (29) and slide rail (28) coordinate, the top left hand of slide rail (28) is provided with electronic reel (30), bracing wire (31) it is connected between electronic reel (30) and slide block (29), bracing wire (31) is wound on electronic reel (30), and number number rod II (13) is located at slide block (29) top, lowering or hoisting gear III (4) includes support II (32), servomotor II (33), step (34), top chock (35), screw mandrel (36), nut (37) and support III (38), base (1) is provided with support II (32), support II (32) is disposed with top chock (35) from top to bottom, step (34) and servomotor II (33), screw mandrel (36) it is connected between top chock (35) and step (34), the lower end of screw mandrel (36) is connected with servomotor II (33), servomotor II (33) is fixed on base (1), it is connected to nut (37) in the middle of screw mandrel (36), screw mandrel (36) and nut (37) coordinate, the right-hand member of nut (37) is connected to support III (38), number number rod III (14) is located at the right side on support III (38), lowering or hoisting gear IV (5), lowering or hoisting gear V (6), lowering or hoisting gear VI (7), lowering or hoisting gear VII (8), lowering or hoisting gear VIII (9), lowering or hoisting gear Ⅸ (10) and lowering or hoisting gear Ⅹ (11) respectively different types of cylinder.
2. a kind of teaching apparatus for mathematics according to claim 1, it is characterised in that also including bell glass (39), bell glass (39) is located on base (1).
3. a kind of teaching apparatus for mathematics according to claim 1, it is characterized in that, height when number number rod I (12), number number rod II (13), number number rod III (14), number number rod IV (15), number number rod V (16), number number rod VI (17), number number rod VII (18), number number rod VIII (19), number number rod Ⅸ (20) sum number rod Ⅹ (21) stretch out is all consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620005214.2U CN205318700U (en) | 2016-01-06 | 2016-01-06 | Mathematics teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620005214.2U CN205318700U (en) | 2016-01-06 | 2016-01-06 | Mathematics teaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205318700U true CN205318700U (en) | 2016-06-15 |
Family
ID=56200792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620005214.2U Expired - Fee Related CN205318700U (en) | 2016-01-06 | 2016-01-06 | Mathematics teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205318700U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735039A (en) * | 2018-05-22 | 2018-11-02 | 谢文娟 | A kind of medical use gynaecology board of education |
| CN109077536A (en) * | 2018-07-19 | 2018-12-25 | 佛山市业鹏机械有限公司 | A kind of multi-functional automatic switchover electric appliance displaying device |
| CN109448607A (en) * | 2018-11-26 | 2019-03-08 | 深圳市万普拉斯科技有限公司 | Flat-panel display devices |
-
2016
- 2016-01-06 CN CN201620005214.2U patent/CN205318700U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735039A (en) * | 2018-05-22 | 2018-11-02 | 谢文娟 | A kind of medical use gynaecology board of education |
| CN109077536A (en) * | 2018-07-19 | 2018-12-25 | 佛山市业鹏机械有限公司 | A kind of multi-functional automatic switchover electric appliance displaying device |
| CN109448607A (en) * | 2018-11-26 | 2019-03-08 | 深圳市万普拉斯科技有限公司 | Flat-panel display devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20170106 |