CN108961926B - Automobile teaching distinguishes device with true and false leather of seat - Google Patents
Automobile teaching distinguishes device with true and false leather of seat Download PDFInfo
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- CN108961926B CN108961926B CN201810882695.9A CN201810882695A CN108961926B CN 108961926 B CN108961926 B CN 108961926B CN 201810882695 A CN201810882695 A CN 201810882695A CN 108961926 B CN108961926 B CN 108961926B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
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Abstract
The invention relates to a seat real and fake leather distinguishing device, in particular to a seat real and fake leather distinguishing device for automobile teaching. The technical problem of the invention is that: the utility model provides a can reduce mr intensity of labour and can improve the real and false leather resolution device of seat for teaching of teaching efficiency. The technical scheme of the invention is as follows: a seat real and false leather distinguishing device for automobile teaching comprises a bottom plate, a vertical plate, a placing plate, a first spring, a first slide rail, a first slide block, a cylinder, a sleeve, a loop bar, a supporting plate, a second spring, a first bearing seat and the like; the left side at bottom plate top is connected with the riser, and the articulated board of placing that is connected with in top of riser. The display board can be rotated to bring convenience to students to distinguish leather, the transparent board can bring convenience to students to distinguish the position of real and false leather, meanwhile, teachers can move the leather conveniently, the rocking handle can rotate the first rotating shaft, and therefore students can conveniently distinguish the real and false leather.
Description
Technical Field
The invention relates to a seat real and fake leather distinguishing device, in particular to a seat real and fake leather distinguishing device for automobile teaching.
Background
In order to increase the knowledge of the student to the aspect of the car, consequently need set up various courses and teach the student, wherein have the real and false leather of car seat to distinguish the course, when the real and false leather to car seat teaches, distinguish the glossiness on leather surface usually, so just need place real and false leather together, thereby make classmates distinguish real and false leather, so need the mr to remove the position of real and false leather, so mr's intensity of labour is great, thereby can reduce teaching efficiency.
Disclosure of Invention
In order to overcome the defect that the teaching efficiency is reduced because the teacher needs to move the position of the real leather and the position of the fake leather and the labor intensity of the teacher is higher, the technical problem of the invention is as follows: the utility model provides a can reduce mr intensity of labour and can improve the real and false leather resolution device of seat for teaching of teaching efficiency.
The technical scheme of the invention is as follows: a seat real and false leather distinguishing device for automobile teaching comprises a bottom plate, a vertical plate, a placing plate, a first spring, a first slide rail, a first slide block, a cylinder, a sleeve, a loop bar, a supporting plate, a second spring, a first bearing seat, a first rotating shaft and a display plate, wherein the left side of the top of the bottom plate is connected with the vertical plate, the top of the vertical plate is hinged with the placing plate, the first spring is connected between the left side of the bottom of the placing plate and the right side of the vertical plate, the bottom of the placing plate on the right side of the first spring is connected with the first slide rail, the first slide rail is provided with the first slide block, the top of the bottom plate on the right side of the vertical plate is provided with the cylinder, the upper part of the rear side of a telescopic rod of the cylinder is hinged with the front side of the first slide block, the right side of the top of the bottom plate is connected with, the bottom and the telescopic top of second spring are connected, place the centre at board top and install first bearing frame, are connected with first pivot on the first bearing frame, and the top of first pivot is connected with the show board.
In one of them embodiment, still including transparent plate, sealing strip, bull stick, buckle and fixture block, the top of show board is connected with a plurality of transparent plates through the even spaced of hinge, and the both sides of transparent plate all are connected with the sealing strip, and the inboard at transparent plate top is connected with the bull stick, is connected with the buckle on the bull stick, and the even spaced in top of show board in the transparent plate is connected with a plurality of fixture blocks, and it has the draw-in groove to open on the fixture block, and the buckle is located the draw-in groove.
In one embodiment, the device further comprises a first bevel gear, a support plate, a second bearing seat, a second rotating shaft, a second bevel gear and a rocking handle, wherein the first bevel gear is connected to the first rotating shaft, the support plate is connected to the right side of the top of the placing plate, the second bearing seat is installed on the top of the support plate, the second rotating shaft is connected to the second bearing seat, the second bevel gear is connected to the left end of the second rotating shaft, the second bevel gear is meshed with the first bevel gear, and the rocking handle is connected to the right end of the second rotating shaft.
In one embodiment, the display board further comprises an annular slide rail, an annular slide block and a connecting rod, the bottom of the display board is connected with the annular slide rail, the first rotating shaft is located in the annular slide rail, the annular slide block is arranged on the annular slide rail, the left side and the right side of the bottom of the annular slide block are both connected with the connecting rod, and the bottom end of the connecting rod is connected with the top of the placing board.
When needs are distinguished the true and false leather of seat, the mr will be with pasting at the top of show board of the even spaced of true and false leather earlier, starts the cylinder and makes through first slider and first slide rail afterwards and place the board rebound, and first spring stretches thereupon, places board rebound and drives first bearing upwards swing, and first bearing upwards swings and makes show board rebound through first pivot, and after the show board rebound to suitable position, the mr closed the cylinder. Mr calls students afterwards and distinguishes true and false to the leather on the show board, students can rotate the show board simultaneously, so can conveniently distinguish the leather on the show board, leather on the show board is distinguished true and false and is accomplished the back, the artifical cylinder that starts makes show board downward swinging reset, can make under the effect of first spring elastic force place board downward swinging reset, after placing board downward swinging, the artifical cylinder that closes, place board downward swinging can make the backup pad remove downwards, the backup pad can prevent to place board swing dislocation, the backup pad can play the supporting role to placing the board simultaneously.
When needs are distinguished the true and false leather of seat, the mr swings the buckle earlier and leaves in the draw-in groove, and the mr swings the transparent plate afterwards and leaves the show board, and then the mr places the leather on the show board, and artifical swing transparent plate resets afterwards, and the mr detains the buckle in the draw-in groove afterwards can, so can make things convenient for the mr to leather shift position, so can improve teaching efficiency, and the sealing strip can prevent that students from rotating when the show board, and the leather shifts out in the transparent plate.
When needs rotate the show board and come to distinguish the leather, students can rotate the rocking handle and make the second pivot rotate, and the second pivot rotates and drives second bevel gear rotation, and second bevel gear rotates and makes first bevel gear rotate, and first bevel gear rotates and drives first pivot and rotate, and first pivot is rotated and is made the show board rotate, so can make things convenient for students to distinguish the true and false of leather.
The show board rotates and rotates on annular slider through annular slide rail, and the connecting rod plays the supporting role to annular slider and annular slide rail, can make things convenient for students to rotate the show board simultaneously.
The beneficial effects are that: the display board can be rotated to bring convenience to students to distinguish leather, the transparent plate can bring convenience to students to distinguish the position of real and false leather, meanwhile, teachers can move the leather conveniently, the rocking handle can rotate to enable the first rotating shaft to rotate, so that students can conveniently distinguish the real and false leather, and the connecting rod plays a supporting role in supporting the annular sliding block and the annular sliding rail.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic top view of a portion of the present invention.
In the reference symbols: 1: bottom plate, 2: a vertical plate, 3: placing plate, 4: first spring, 5: first slide rail, 6: first slider, 7: a cylinder, 8: sleeve, 9: loop bar, 10: support plate, 11: second spring, 12: first bearing seat, 13: first rotating shaft, 14: display board, 15: transparent plate, 16: weather strip, 17: turning rod, 18: snap, 19: a cartridge, 20: card slot, 21: first bevel gear, 22: a support plate, 23: second bearing housing, 24: second rotating shaft, 25: second bevel gear, 26: rocking handle, 27: annular slide rail, 28: annular slider, 29: a connecting rod.
Detailed Description
It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.
Example 1
A seat real and fake leather distinguishing device for automobile teaching is shown in figure 1-2 and comprises a bottom plate 1, a vertical plate 2, a placing plate 3, a first spring 4, a first slide rail 5, a first slide block 6, a cylinder 7, a sleeve 8, a loop bar 9, a supporting plate 10, a second spring 11, a first bearing seat 12, a first rotating shaft 13 and a display plate 14, wherein the vertical plate 2 is connected to the left side of the top of the bottom plate 1, the placing plate 3 is hinged to the top of the vertical plate 2, the first spring 4 is connected between the left side of the bottom of the placing plate 3 and the right side of the vertical plate 2, the first slide rail 5 is connected to the bottom of the placing plate 3 on the right side of the first spring 4, the first slide block 6 is arranged on the first slide rail 5, the cylinder 7 is installed on the top of the bottom plate 1 on the right side of the vertical plate 2, the upper portion of the rear side of the telescopic rod of, be equipped with loop bar 9 in the sleeve 8, the top of loop bar 9 is connected with backup pad 10, is equipped with second spring 11 on the loop bar 9, and the top of second spring 11 is connected with the bottom of backup pad 10, and the bottom of second spring 11 is connected with the top of sleeve 8, places the centre at board 3 tops and installs primary shaft bearing 12, is connected with first pivot 13 on primary shaft bearing 12, and the top of primary shaft bearing 13 is connected with show board 14.
Example 2
A seat real and fake leather distinguishing device for automobile teaching is shown in figure 1-2 and comprises a bottom plate 1, a vertical plate 2, a placing plate 3, a first spring 4, a first slide rail 5, a first slide block 6, a cylinder 7, a sleeve 8, a loop bar 9, a supporting plate 10, a second spring 11, a first bearing seat 12, a first rotating shaft 13 and a display plate 14, wherein the vertical plate 2 is connected to the left side of the top of the bottom plate 1, the placing plate 3 is hinged to the top of the vertical plate 2, the first spring 4 is connected between the left side of the bottom of the placing plate 3 and the right side of the vertical plate 2, the first slide rail 5 is connected to the bottom of the placing plate 3 on the right side of the first spring 4, the first slide block 6 is arranged on the first slide rail 5, the cylinder 7 is installed on the top of the bottom plate 1 on the right side of the vertical plate 2, the upper portion of the rear side of the telescopic rod of, be equipped with loop bar 9 in the sleeve 8, the top of loop bar 9 is connected with backup pad 10, is equipped with second spring 11 on the loop bar 9, and the top of second spring 11 is connected with the bottom of backup pad 10, and the bottom of second spring 11 is connected with the top of sleeve 8, places the centre at board 3 tops and installs primary shaft bearing 12, is connected with first pivot 13 on primary shaft bearing 12, and the top of primary shaft bearing 13 is connected with show board 14.
Still including transparent plate 15, sealing strip 16, bull stick 17, buckle 18 and fixture block 19, the even spaced a plurality of transparent plates 15 that are connected with of hinge is passed through at the top of show board 14, the both sides of transparent plate 15 all are connected with sealing strip 16, the inboard at transparent plate 15 top is connected with bull stick 17, be connected with buckle 18 on the bull stick 17, the even spaced a plurality of fixture blocks 19 that are connected with in the top of show board 14 in the transparent plate 15, it has draw-in groove 20 to open on the fixture block 19, buckle 18 is located draw-in groove 20.
Example 3
A seat real and fake leather distinguishing device for automobile teaching is shown in figure 1-2 and comprises a bottom plate 1, a vertical plate 2, a placing plate 3, a first spring 4, a first slide rail 5, a first slide block 6, a cylinder 7, a sleeve 8, a loop bar 9, a supporting plate 10, a second spring 11, a first bearing seat 12, a first rotating shaft 13 and a display plate 14, wherein the vertical plate 2 is connected to the left side of the top of the bottom plate 1, the placing plate 3 is hinged to the top of the vertical plate 2, the first spring 4 is connected between the left side of the bottom of the placing plate 3 and the right side of the vertical plate 2, the first slide rail 5 is connected to the bottom of the placing plate 3 on the right side of the first spring 4, the first slide block 6 is arranged on the first slide rail 5, the cylinder 7 is installed on the top of the bottom plate 1 on the right side of the vertical plate 2, the upper portion of the rear side of the telescopic rod of, be equipped with loop bar 9 in the sleeve 8, the top of loop bar 9 is connected with backup pad 10, is equipped with second spring 11 on the loop bar 9, and the top of second spring 11 is connected with the bottom of backup pad 10, and the bottom of second spring 11 is connected with the top of sleeve 8, places the centre at board 3 tops and installs primary shaft bearing 12, is connected with first pivot 13 on primary shaft bearing 12, and the top of primary shaft bearing 13 is connected with show board 14.
Still including transparent plate 15, sealing strip 16, bull stick 17, buckle 18 and fixture block 19, the even spaced a plurality of transparent plates 15 that are connected with of hinge is passed through at the top of show board 14, the both sides of transparent plate 15 all are connected with sealing strip 16, the inboard at transparent plate 15 top is connected with bull stick 17, be connected with buckle 18 on the bull stick 17, the even spaced a plurality of fixture blocks 19 that are connected with in the top of show board 14 in the transparent plate 15, it has draw-in groove 20 to open on the fixture block 19, buckle 18 is located draw-in groove 20.
The novel multifunctional placing plate is characterized by further comprising a first bevel gear 21, a support plate 22, a second bearing seat 23, a second rotating shaft 24, a second bevel gear 25 and a rocking handle 26, the first bevel gear 21 is connected onto the first rotating shaft 13, the support plate 22 is connected to the right side of the top of the placing plate 3, the second bearing seat 23 is installed on the top of the support plate 22, the second rotating shaft 24 is connected into the second bearing seat 23, the second bevel gear 25 is connected to the left end of the second rotating shaft 24, the second bevel gear 25 is meshed with the first bevel gear 21, and the right end of the second rotating shaft 24 is connected with.
Example 4
A seat real and fake leather distinguishing device for automobile teaching is shown in figure 1-2 and comprises a bottom plate 1, a vertical plate 2, a placing plate 3, a first spring 4, a first slide rail 5, a first slide block 6, a cylinder 7, a sleeve 8, a loop bar 9, a supporting plate 10, a second spring 11, a first bearing seat 12, a first rotating shaft 13 and a display plate 14, wherein the vertical plate 2 is connected to the left side of the top of the bottom plate 1, the placing plate 3 is hinged to the top of the vertical plate 2, the first spring 4 is connected between the left side of the bottom of the placing plate 3 and the right side of the vertical plate 2, the first slide rail 5 is connected to the bottom of the placing plate 3 on the right side of the first spring 4, the first slide block 6 is arranged on the first slide rail 5, the cylinder 7 is installed on the top of the bottom plate 1 on the right side of the vertical plate 2, the upper portion of the rear side of the telescopic rod of, be equipped with loop bar 9 in the sleeve 8, the top of loop bar 9 is connected with backup pad 10, is equipped with second spring 11 on the loop bar 9, and the top of second spring 11 is connected with the bottom of backup pad 10, and the bottom of second spring 11 is connected with the top of sleeve 8, places the centre at board 3 tops and installs primary shaft bearing 12, is connected with first pivot 13 on primary shaft bearing 12, and the top of primary shaft bearing 13 is connected with show board 14.
Still including transparent plate 15, sealing strip 16, bull stick 17, buckle 18 and fixture block 19, the even spaced a plurality of transparent plates 15 that are connected with of hinge is passed through at the top of show board 14, the both sides of transparent plate 15 all are connected with sealing strip 16, the inboard at transparent plate 15 top is connected with bull stick 17, be connected with buckle 18 on the bull stick 17, the even spaced a plurality of fixture blocks 19 that are connected with in the top of show board 14 in the transparent plate 15, it has draw-in groove 20 to open on the fixture block 19, buckle 18 is located draw-in groove 20.
The novel multifunctional placing plate is characterized by further comprising a first bevel gear 21, a support plate 22, a second bearing seat 23, a second rotating shaft 24, a second bevel gear 25 and a rocking handle 26, the first bevel gear 21 is connected onto the first rotating shaft 13, the support plate 22 is connected to the right side of the top of the placing plate 3, the second bearing seat 23 is installed on the top of the support plate 22, the second rotating shaft 24 is connected into the second bearing seat 23, the second bevel gear 25 is connected to the left end of the second rotating shaft 24, the second bevel gear 25 is meshed with the first bevel gear 21, and the right end of the second rotating shaft 24 is connected with.
Still including annular slide rail 27, annular slider 28 and connecting rod 29, the bottom of show board 14 is connected with annular slide rail 27, and first pivot 13 is located annular slide rail 27, is equipped with annular slider 28 on the annular slide rail 27, and the left and right sides of annular slider 28 bottom all is connected with connecting rod 29, and the bottom of connecting rod 29 is connected with the top of placing board 3.
When the real and false leather of seat is distinguished to needs, mr pastes the top at show board 14 with the even spaced of real and false leather earlier, starts cylinder 7 and makes through first slider 6 and first slide rail 5 and place board 3 and upwards swing later, and first spring 4 stretches thereupon, places board 3 and upwards swings and drive first bearing frame 12 and upwards swing, and first bearing frame 12 upwards swings and makes show board 14 upwards swing through first pivot 13, after show board 14 upwards swings to suitable position, mr closed cylinder 7. Mr calls students to distinguish true and false to the leather on show board 14 afterwards, students can rotate show board 14 simultaneously, so can conveniently distinguish the leather on show board 14, distinguish true and false the completion back when the leather on show board 14, artifical start cylinder 7 makes show board 14 swing down reset, can make under the effect of the 4 elastic force of first spring place board 3 swing down and reset, after placing board 3 swing down, the artifical cylinder 7 that closes, place board 3 swing down and can make backup pad 10 remove downwards, backup pad 10 can prevent to place board 3 swing cross the position, backup pad 10 can be to placing board 3 supporting role simultaneously.
When needs are distinguished the true and false leather of seat, the mr swings earlier buckle 18 and leaves in draw-in groove 20, mr swings transparent plate 15 afterwards and leaves show board 14, then the mr places the leather on show board 14, artifical swing transparent plate 15 resets afterwards, mr detains buckle 18 afterwards in draw-in groove 20 can, so can make things convenient for mr to leather shift position, so can improve teaching efficiency, sealing strip 16 can prevent that students from rotating when show board 14, the leather shifts out in transparent plate 15.
When needing to rotate show board 14 and come to distinguish the leather, students can rotate rocking handle 26 and make second pivot 24 rotate, and second pivot 24 rotates and drives second bevel gear 25 and rotate, and second bevel gear 25 rotates and makes first bevel gear 21 rotate, and first bevel gear 21 rotates and drives first pivot 13 and rotate, and first pivot 13 rotates and makes show board 14 rotate, so can make things convenient for students to distinguish the true and false of leather.
The display board 14 rotates on the annular slide block 28 through the annular slide rail 27, and the connecting rod 29 supports the annular slide block 28 and the annular slide rail 27, and meanwhile, students can conveniently rotate the display board 14.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a device is distinguished with true and false leather of seat to automobile teaching which characterized in that: comprises a bottom plate (1), a vertical plate (2), a placing plate (3), a first spring (4), a first sliding rail (5), a first sliding block (6), a cylinder (7), a sleeve (8), a loop bar (9), a supporting plate (10), a second spring (11), a first bearing seat (12), a first rotating shaft (13) and a display plate (14), wherein the vertical plate (2) is connected on the left side of the top of the bottom plate (1), the placing plate (3) is hinged to the top of the vertical plate (2), the first spring (4) is connected between the left side of the bottom of the placing plate (3) and the right side of the vertical plate (2), the first sliding rail (5) is connected to the bottom of the placing plate (3) on the right side of the first spring (4), the first sliding block (6) is arranged on the first sliding rail (5), the cylinder (7) is arranged on the top of the bottom plate (1) on the right side of the vertical plate (2), the upper part of the rear side, the right side at bottom plate (1) top is connected with sleeve (8), be equipped with loop bar (9) in sleeve (8), the top of loop bar (9) is connected with backup pad (10), be equipped with second spring (11) on loop bar (9), the top of second spring (11) is connected with the bottom of backup pad (10), the bottom of second spring (11) is connected with the top of sleeve (8), place the centre at board (3) top and install primary shaft bearing (12), be connected with first pivot (13) on primary shaft bearing (12), the top of first pivot (13) is connected with show board (14).
2. The device for distinguishing the true and false leathers of the seat for the automobile teaching as claimed in claim 1, wherein: still including transparent plate (15), sealing strip (16), bull stick (17), buckle (18) and fixture block (19), the top of show board (14) is connected with a plurality of transparent plates (15) through the even spaced of hinge, the both sides of transparent plate (15) all are connected with sealing strip (16), the inboard at transparent plate (15) top is connected with bull stick (17), be connected with buckle (18) on bull stick (17), the even spaced in top of show board (14) in transparent plate (15) is connected with a plurality of fixture blocks (19), it has draw-in groove (20) to open on fixture block (19), buckle (18) are located draw-in groove (20).
3. The device for distinguishing the true and false leathers of the seat for the automobile teaching as claimed in claim 2, wherein: still including first bevel gear (21), extension board (22), second bearing seat (23), second pivot (24), second bevel gear (25) and rocking handle (26), be connected with first bevel gear (21) on first pivot (13), the right side of placing board (3) top is connected with extension board (22), second bearing seat (23) are installed to the top of extension board (22), second bearing seat (23) in-connection has second pivot (24), the left end of second pivot (24) is connected with second bevel gear (25), second bevel gear (25) and first bevel gear (21) meshing, the right-hand member of second pivot (24) is connected with rocking handle (26).
4. The device for distinguishing the true and false leathers of the seat for the automobile teaching as claimed in claim 3, wherein: still including annular slide rail (27), annular slider (28) and connecting rod (29), the bottom of show board (14) is connected with annular slide rail (27), and first pivot (13) are located annular slide rail (27), are equipped with annular slider (28) on annular slide rail (27), and the left and right sides of annular slider (28) bottom all is connected with connecting rod (29), and the bottom of connecting rod (29) is connected with the top of placing board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882695.9A CN108961926B (en) | 2018-08-06 | 2018-08-06 | Automobile teaching distinguishes device with true and false leather of seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882695.9A CN108961926B (en) | 2018-08-06 | 2018-08-06 | Automobile teaching distinguishes device with true and false leather of seat |
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| CN108961926A CN108961926A (en) | 2018-12-07 |
| CN108961926B true CN108961926B (en) | 2020-09-22 |
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| CN201810882695.9A Active CN108961926B (en) | 2018-08-06 | 2018-08-06 | Automobile teaching distinguishes device with true and false leather of seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106990203A (en) * | 2017-05-09 | 2017-07-28 | 湖州东方皮革有限公司 | A kind of high security corium identification equipment |
| CN107014959A (en) * | 2017-05-22 | 2017-08-04 | 湖州东方皮革有限公司 | A kind of identifying device for corium |
| CN108037011B (en) * | 2017-12-01 | 2020-04-07 | 丁文玲 | True and false leather identifying device |
| CN108007776B (en) * | 2017-12-01 | 2020-03-31 | 丁文玲 | A true and false identification device for leather |
| CN108312650A (en) * | 2018-03-22 | 2018-07-24 | 广州益合康科技材料有限公司 | The anti-fake leather of shape memory |
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Effective date of registration: 20200828 Address after: 325036 b3066, No. 46-54 Dongfang Road, Ouhai Economic Development Zone, Hangzhou City, Zhejiang Province Applicant after: Wenzhou Qiye Machinery Co., Ltd Address before: 211300 Room 406, 4th Floor, Zijinke Garden, No. 3 Gutan Avenue, Gaochun District, Nanjing City, Jiangsu Province Applicant before: Li Jianyong |
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