CN110553622A - Level gauge support for pavement elevation measurement - Google Patents
Level gauge support for pavement elevation measurement Download PDFInfo
- Publication number
- CN110553622A CN110553622A CN201910900671.6A CN201910900671A CN110553622A CN 110553622 A CN110553622 A CN 110553622A CN 201910900671 A CN201910900671 A CN 201910900671A CN 110553622 A CN110553622 A CN 110553622A
- Authority
- CN
- China
- Prior art keywords
- level
- clipboard
- dovetail
- groove
- support
- 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.)
- Pending
Links
- 280000312338 Pavement companies 0.000 title 1
- 210000001503 Joints Anatomy 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002146 bilateral Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 230000000087 stabilizing Effects 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 1
- 230000003111 delayed Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
Abstract
The invention discloses a level gauge support for measuring pavement elevation, which relates to the technical field of supports and aims to solve the technical problem that a surveyor does not have a data recording place.
Description
Technical Field
The invention relates to the technical field of supports, in particular to a level gauge support for measuring pavement elevation.
Background
The level is a measuring instrument frequently used in engineering measurement, and is an instrument for establishing a horizontal sight line to measure the height difference between two points on the ground, and the level needs to be matched with a level bracket for use during measurement to finish the final measurement work.
The current chinese patent of grant publication No. CN205102827U provides a telescopic bracket device for fixing a level, which comprises a top seat and a bracket at the lower end of the top seat, wherein the bracket is composed of three support connecting rods, the support connecting rods comprise a first connecting rod and a second connecting rod, the height adjustment and the contraction of the second connecting rod in the bracket can be realized, and the use is more convenient and safer.
However, when the level support is used, a surveyor needs to take notes to record measured data, and the surveyor can only take the notes to take the books to record under the condition without a desktop, which affects the measurement efficiency, and also greatly affects the data processing and calculation in the later period due to the fact that the recorded data are blurred or the writing is not clear due to the rough recording condition, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the level gauge support for measuring the pavement elevation, which has the advantages of facilitating a surveyor to check and record data and reducing data analysis errors.
In order to achieve the purpose, the invention provides the following technical scheme:
The utility model provides a road surface elevation is surveyor's level support for measurement, including locate subaerial support and support in be used for supporting the base of surveyor's level on the support, one side of base is inwards sunken to have seted up the chamber of sliding, the intracavity that slides is provided with the clipboard, the lateral wall of base and the bilateral symmetry that is located the chamber of sliding have seted up a set of dovetail, the length of dovetail is the same with the length in chamber of sliding, the dovetail is linked together with the chamber of sliding, the fixed dovetail block that can slide that is provided with of both sides wall of clipboard, the lateral wall of dovetail block is laminated with the inboard wall of dovetail.
Through adopting above-mentioned technical scheme, pull out the clipboard from the intracavity that slides, the dovetail piece slides in the dovetail, surveyor can be with the instrument of record data like this, the pen etc. place and carry out the record on the clipboard, the platform of a record data is provided for the surveyor, the dovetail piece can offset with the dovetail inner wall simultaneously, the intensity of clipboard is great, the surveyor carries out the record data on the clipboard, reduce the unclear condition of data writing, the accuracy of later stage data calculation has been improved.
Further, the diapire of dovetail is provided with the guide bar along its length direction is fixed, set up on the end wall of dovetail piece and supply the guide bar to insert the guide way of establishing, the inside wall of guide way is provided with the spacing groove along its length direction, the lateral wall integrated into one piece of guide bar is provided with can slide and the stopper that offsets with the spacing inslot wall in the spacing groove.
By adopting the technical scheme, the dovetail block slides on the guide rod more stably, and the inner wall of the dovetail groove is abutted against the outer wall of the guide rod, so that the stability of the writing board is improved; meanwhile, the guide rod slides in the guide groove, and the limiting block abuts against the inner wall of the limiting groove, so that the writing board is prevented from being separated from the sliding cavity.
Further, the diapire of clipboard is provided with the hinge, the returning face plate rotates through the hinge and is provided with and expands the writing board, the upper surface that expands the writing board flushes each other with the upper surface of clipboard, a set of groove that slides has been seted up along its length direction symmetry to the both sides wall of clipboard, slide in the fixed slot and set up the butt joint piece, the both sides wall symmetry that expands the writing board is seted up and is supplied the butt joint piece to insert the butt joint groove of establishing.
By adopting the technical scheme, the expansion writing board is turned to be flush with the writing board, and the abutting block is inserted into the abutting groove by sliding, so that the expansion writing board is fixed, the area of the writing platform is enlarged, the requirement of placing a large drawing is met, and a measurer can record important data conveniently; meanwhile, the hinge is arranged at the bottom of the turnover plate, so that the influence of the hinge on data recording of a measurer can be avoided.
Furthermore, the sliding groove is internally fixedly provided with an abutting elastic piece, and two ends of the abutting elastic piece are respectively fixed with the bottom wall of the sliding groove and the end wall of the abutting block.
Through adopting above-mentioned technical scheme, the butt elastic component orders about the butt piece and slides to keeping away from the groove direction that slides, has improved the stability of butt piece at the butt inslot, improves the installation rate to expanding the writing board simultaneously.
Furthermore, the side wall of the abutting block is integrally provided with a convex pattern.
Through adopting above-mentioned technical scheme, the burr has increased the coefficient of friction between staff and the butt piece lateral wall, and the surveyor of being convenient for drives the burr.
further, the diapire of clipboard has seted up along its length direction and has supported the groove, the inside wall that supports the groove just is located to keep away from one side rotation that slides the chamber diapire and is provided with the bracing piece, the inner wall equidistance that slides the chamber is provided with and supplies the bracing piece to carry out the support arch of butt.
Through adopting above-mentioned technical scheme, the board is write to the upset expansion, and the bracing piece that supports the inslot this moment receives gravity to influence automatic the rotating, and the mutual butt of end wall and support protrusion of bracing piece to the bracing piece supports clipboard and returning face plate simultaneously, and when surveyor recorded data on the returning face plate, the stability of returning face plate is better, and the difficult emergence of returning face plate is damaged, thereby has delayed the life of device.
Furthermore, one end of the support rod, which is far away from the writing board, is provided with a conical surface, and the conical surface is attached to the side wall of the support protrusion.
Through adopting above-mentioned technical scheme, guarantee that the bracing piece has good supporting effect to the clipboard, improve the stability of clipboard.
Further, the symmetry is provided with a set of firm subassembly on the clipboard, stabilize the subassembly include with the clipboard rotate the L shape pole of being connected, with L shape pole end wall fixed connection's sleeve and with sleeve inside wall threaded connection's butt joint pole, set up the firm groove that supplies firm subassembly to hold on the clipboard, rotate through the pivot between L shape pole and the firm inslot wall and be connected, the interference is provided with the sealing washer between pivot and the L shape pole.
Through adopting above-mentioned technical scheme, rotate the top that L shape pole made sleeve perpendicular to clipboard, rotate the head rod and make its end wall offset with this the record on the clipboard, can stabilize the record on the clipboard, avoid it to receive factors such as wind-force to drop from the clipboard.
Further, the one end integrated into one piece that the clipboard was kept away from to the pole that connects is provided with the carousel, the one end integrated into one piece that the carousel was kept away from to the pole that connects is provided with the butt joint dish.
Through adopting above-mentioned technical scheme, rotate the carousel and be convenient for rotate the butt joint pole, utilize the butt joint dish to this butt of record of clipboard top, increased the area of butt joint pole to the firm effect of subassembly that stabilizes is better.
Further, the lateral wall of base just is located the accent department rotation in the chamber that slides and is provided with and carries out sealed chamber door to the chamber that slides, the lateral wall of base rotates and is provided with the butt joint board that can offset with the chamber door lateral wall.
Through adopting above-mentioned technical scheme, rotate the chamber door and offset butt joint board and chamber door lateral wall, accomodate the clipboard with expand the clipboard at the intracavity that slides, be convenient for carry the support.
In conclusion, the invention has the following beneficial effects:
1. The writing board is pulled out from the sliding cavity, the dovetail block slides in the dovetail groove, a measurer can place tools for recording data, such as a notebook, a pen and the like, on the writing board for recording, a platform for recording data is provided for the measurer, meanwhile, the dovetail block can be abutted against the inner wall of the dovetail groove, the strength of the writing board is high, the measurer records data on the writing board, the situation that data writing is unclear is reduced, and the accuracy of later-stage data calculation is improved;
2. The expansion writing board is turned to be flush with the writing board, and the abutting block is inserted into the abutting groove in a sliding mode, so that the expansion writing board is fixed, the area of the writing platform is enlarged, and a measurer can record important data conveniently;
3. When the writing board is turned over, the supporting rod in the supporting groove automatically rotates under the influence of gravity, and when the end wall of the supporting rod is abutted against the supporting protrusion, the supporting rod supports the writing board, so that the strength and the stability of the writing board are further improved;
4. utilize firm subassembly can stabilize the record book on the clipboard, avoid it to receive factors such as wind-force to drop from the clipboard.
Drawings
FIG. 1 is a schematic structural view of a leveling instrument stand for measuring road surface elevation according to an embodiment;
FIG. 2 is a front view of a glide chamber for embodying an embodiment;
FIG. 3 is a schematic cross-sectional view of a dovetail slot and dovetail block connection used in an embodiment;
FIG. 4 is a schematic diagram illustrating the effect of a leveling instrument stand for measuring road surface elevation according to an embodiment;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is an enlarged view of portion B of FIG. 4;
fig. 7 is a schematic sectional view showing the connection between the support rod and the writing board in the embodiment.
In the figure: 1. a support; 11. a base; 12. a sliding cavity; 13. a threaded rod; 2. a writing board; 21. a dovetail groove; 22. a dovetail block; 23. a hinge; 3. a guide bar; 31. a guide groove; 32. a limiting groove; 33. a limiting block; 4. a writing expanding board; 41. a sliding groove; 42. a butting block; 421. a relief pattern; 43. a butt joint groove; 44. abutting against the elastic member; 5. a support groove; 51. a support bar; 511. a conical surface; 6. a support boss; 7. a stabilizing assembly; 71. an L-shaped rod; 72. a sleeve; 73. a butting rod; 74. a stabilizing groove; 8. a turntable; 81. a butting tray; 10. a box door; 101. abutting against the board.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
The utility model provides a road surface elevation is surveyd and is used surveyor's level support, refers to fig. 1, and it is including locating subaerial support 1 and supporting base 11 that is used for supporting the surveyor's level on support 1, and support 1 is the telescopic adjusting rod at prior art center, does not describe here any more, and support 1 is provided with threely and all rotates through pivot and 11 diapalls of base to be connected, and base 11 is provided with threaded rod 13 that is used for installing the surveyor's level.
Referring to fig. 2 and 3, a sliding cavity 12 is formed in one side of a base 11 in an inward concave manner, the length direction of the sliding cavity 12 is arranged along the length direction of the base 11, a writing board 2 is arranged in the sliding cavity 12 in a sliding manner, a group of dovetail grooves 21 are symmetrically formed in the side wall of the base 11 and located on two sides of the sliding cavity 12, the length of each dovetail groove 21 is the same as that of the sliding cavity 12, the dovetail grooves 21 are communicated with the sliding cavity 12, dovetail blocks 22 capable of sliding in the dovetail grooves 21 are integrally formed in two side walls of the writing board 2, the outer side walls of the dovetail blocks 22 are attached to the inner side walls of the dovetail grooves 21, the writing board 2 slides in a direction away from the sliding cavity 12, the dovetail blocks 22 slide in the dovetail grooves 21 and can abut against the inner side walls of the dovetail grooves 21 under the action of gravity, the writing board 2 is not prone to damage under the, the surveyor can put the notebook on clipboard 2 and take notes, has improved the accuracy of data record.
Referring to fig. 2 and 3, the guide rod 3 is fixedly arranged on the bottom wall of the dovetail groove 21 along the length direction thereof, the guide groove 31 for inserting the guide rod 3 is formed in the end wall of the dovetail block 22, the inner side wall of the guide groove 31 is attached to the inner side wall of the guide rod 3, and the dovetail block 22 slides on the guide rod 3 more stably; the inside wall of guide way 31 is provided with spacing groove 32 along its length direction, and the lateral wall integrated into one piece of guide bar 3 is provided with can slide and the stopper 33 that offsets with spacing groove 32 inner wall in spacing groove 32, and stopper 33 offsets with spacing groove 32 inner wall, avoids clipboard 2 to break away from mutually with the chamber 12 that slides.
Referring to fig. 4 and 6, the diapire of clipboard 2 is provided with hinge 23 through the bolt fastening, the returning face plate rotates through hinge 23 to be provided with and expands and write board 4, the upper surface that expands and write board 4 flushes each other with the upper surface of clipboard 2, a set of sliding groove 41 has been seted up along its length direction symmetry to the both sides wall of clipboard 2, it sets up butt block 42 to slide in the fixed slot, the both sides wall symmetry that expands and writes board 4 is seted up and is supplied butt block 42 to insert the butt groove 43 of establishing, to expand and write board 4 upset to flush mutually with clipboard 2, slide butt block 42 with it insert establish to butt groove 43 in, realize expanding the fixed of writing board 4, the area of writing platform has been enlarged.
Referring to fig. 6, an abutting elastic member 44 is fixedly arranged in the sliding groove 41, the abutting elastic member 44 is a spring, two ends of the abutting elastic member 44 are respectively welded and connected with the bottom wall of the sliding groove 41 and the end wall of the abutting block 42, the abutting elastic member 44 drives the abutting block 42 to slide in the direction away from the sliding groove 41, and the stability of the abutting block 42 in the abutting groove 43 is improved; the side wall of the abutting block 42 is integrally provided with a convex pattern 421 for a measurer to slide the abutting block 42.
Referring to fig. 4 and 7, the diapire of clipboard 2 has seted up support groove 5 along its length direction, support groove 5 is located the central line of clipboard 2, support groove 5's inside wall and be located and keep away from one side of the chamber 12 diapire that slides and rotate through the pivot and be provided with bracing piece 51, the inner wall equidistance of the chamber 12 that slides is provided with the support arch 6 that can supply bracing piece 51 to carry out the butt, the one end that clipboard 2 was kept away from to bracing piece 51 is provided with conical surface 511, conical surface 511 and the mutual laminating of the lateral wall of support arch 6, the upset expands and writes board 4 and can make bracing piece 51 and support arch 6 mutual butt, thereby bracing piece 51 supports clipboard 2, clipboard 2 intensity and stability have further been.
Referring to fig. 4 and 5, the symmetry is provided with a set of firm subassembly 7 on the clipboard 2, stable subassembly includes L shape pole 71 of being connected with clipboard 2 rotation, with L shape pole 71 end wall integrative sleeve 72 and with sleeve 72 inside wall threaded connection's butt pole 73, set up the firm groove 74 that supplies firm subassembly 7 to hold on the clipboard 2, rotate through the pivot between L shape pole 71 and the firm groove 74 inner wall and be connected, the interference is provided with the rubber circle (not marked in the figure) between pivot and the L shape pole 71, it makes sleeve 72 and clipboard 2 upper surface mutually perpendicular to rotate L shape pole 71, it makes this counterbalance of record on its end wall and the clipboard 2 to rotate butt pole 73, can stabilize the record on the clipboard 2, avoid it to receive factors such as wind-force to drop from the clipboard.
referring to fig. 5, a rotating disc 8 is integrally formed at one end of the stabilizing rod away from the writing board 2, the diameter of the rotating disc 8 is larger than that of the abutting rod 73, the rotating disc 8 is polygonal, and the abutting rod 73 can be conveniently rotated by rotating the rotating disc 8; the one end that the carousel 8 was kept away from to butt link pole 73 is integrative to have butt dish 81, and the diameter of butt dish 81 is greater than the diameter of butt link pole 73, has increased the area of butt link pole 73 to the firm effect of subassembly 7 that stabilizes is better.
Referring to fig. 1, the outer side wall of the base 11 and the orifice of the sliding chamber 12 are provided with a box door 10 for sealing the sliding chamber 12 through rotation, the outer side wall of the base 11 is provided with a butt plate 101 capable of abutting against the side wall of the box door 10 through rotation of a pin, the box door 10 is rotated and abuts against the butt plate 101 and the side wall of the box door 10, the writing board 2 and the enlarging writing board 4 are accommodated in the sliding chamber 12, and the support 1 is convenient to carry.
The working principle is as follows:
When a leveling instrument is needed to measure a building, the support 1 is abutted against the ground to support the base 11, the abutting plate 101 is rotated to open the box door 10, the writing board 2 is slid towards the direction far away from the base 11 at the moment, the expansion writing board 4 below the writing board 2 is completely slid out of the sliding cavity 12, the abutting blocks 42 on two sides of the writing board 2 are slid into the sliding groove 41 while the expansion writing board 4 is rotated, when the upper surface of the expansion writing board 4 is level with the upper surface of the writing board 2, the abutting blocks 42 are loosened, the abutting blocks 42 are automatically inserted into the abutting grooves 43 under the action of the abutting elastic piece 44, and the expansion writing board 4 is fixed; then, the support rod 51 below the writing board 2 is rotated to be abutted against the support protrusion 6, the writing board 2 is supported by the support rod 51, and at the moment, a measurer can place the notebook on the writing board 2; meanwhile, a measurer can rotate the L-shaped rod 71 to enable the sleeve 72 to be positioned at a position vertical to the upper surface of the writing board 2, rotate the rotary disc 8 to enable the abutting disc 81 to abut against the notebook, and fix the notebook on the writing board 2; at the moment, the surveyor records the data of the level gauge, the convenience is very high, and the situation that the recorded data word is unclear due to the fact that the recording condition is simple and crude is reduced.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. the utility model provides a road surface elevation is surveyd and is used surveyor's level support, including locate subaerial support (1) and support in be used for supporting base (11) of surveyor's level on support (1), its characterized in that: one side of base (11) is inwards sunken to have seted up chamber (12) that slides, it is provided with clipboard (2) in chamber (12) to slide, the lateral wall of base (11) and the bilateral symmetry that is located chamber (12) that slides have seted up a set of dovetail (21), the length of dovetail (21) is the same with the length in chamber (12) that slides, dovetail (21) are linked together with chamber (12) that slides, the both sides wall of clipboard (2) is fixed to be provided with dovetail (22) that can slide in dovetail (21), the lateral wall of dovetail (22) is laminated with the inboard wall of dovetail (21).
2. the level gauge stand for measuring road surface level according to claim 1, wherein: the diapire of dovetail (21) is provided with guide bar (3) along its length direction is fixed, offer on the end wall of dovetail piece (22) and supply guide bar (3) to insert guide way (31) of establishing, the inside wall of guide way (31) is provided with spacing groove (32) along its length direction, the lateral wall integrated into one piece of guide bar (3) is provided with can slide and spacing groove (32) inner wall offset stopper (33) in spacing groove (32).
3. The level gauge stand for measuring road surface level according to claim 1, wherein: the diapire of clipboard (2) is provided with hinge (23), the returning face plate rotates through hinge (23) and is provided with and expands and write board (4), the upper surface that expands and write board (4) flushes each other with the upper surface of clipboard (2), a set of groove (41) that slide has been seted up along its length direction symmetry to the both sides wall of clipboard (2), slide in the fixed slot and set up butt joint piece (42), the both sides wall symmetry that expands and write board (4) is seted up and is supplied butt joint piece (42) to insert butt joint groove (43) of establishing.
4. The level gauge stand for measuring road surface level according to claim 3, wherein: an abutting elastic piece (44) is fixedly arranged in the sliding groove (41), and two ends of the abutting elastic piece (44) are respectively fixed with the bottom wall of the sliding groove (41) and the end wall of the abutting block (42).
5. The level gauge stand for measuring road surface level according to claim 3, wherein: the side wall of the abutting block (42) is integrally provided with a convex pattern (421).
6. The level gauge stand for measuring road surface level according to claim 3, wherein: the diapire of clipboard (2) has seted up support groove (5) along its length direction, the inside wall of support groove (5) just is located and rotates and is provided with bracing piece (51) in keeping away from one side of sliding chamber (12) diapire, the inner wall equidistance of sliding chamber (12) is provided with support arch (6) that can supply bracing piece (51) to carry out the butt.
7. The level gauge stand for measuring road surface level according to claim 6, wherein: the writing board is characterized in that one end, far away from the writing board (2), of the supporting rod (51) is provided with a conical surface (511), and the conical surface (511) is attached to the side wall of the supporting protrusion (6).
8. the level gauge stand for measuring road surface level according to claim 1, wherein: the symmetry is provided with a set of subassembly (7) that stabilizes on clipboard (2), stabilize the subassembly include rotate L shape pole (71) be connected with clipboard (2), with L shape pole (71) end wall fixed connection's sleeve (72) and with sleeve (72) inside wall threaded connection's butt joint pole (73), set up on clipboard (2) and supply the firm groove (74) that subassembly (7) held that stabilizes, rotate through the pivot between L shape pole (71) and the firm groove (74) inner wall and be connected, the interference is provided with the sealing washer between pivot and the L shape pole (71).
9. The level gauge stand for measuring road surface level according to claim 8, wherein: the one end integrated into one piece that writing board (2) were kept away from to connect pole (73) is provided with carousel (8), the one end integrated into one piece that carousel (8) were kept away from to connect pole (73) is provided with to connect dish (81).
10. the level gauge stand for measuring road surface level according to claim 1, wherein: the outer side wall of the base (11) is provided with a box door (10) which seals the sliding cavity (12) in a rotating mode at the position of the cavity opening of the sliding cavity (12), and the outer side wall of the base (11) is provided with a butt joint plate (101) which can abut against the side wall of the box door (10) in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900671.6A CN110553622A (en) | 2019-09-23 | 2019-09-23 | Level gauge support for pavement elevation measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900671.6A CN110553622A (en) | 2019-09-23 | 2019-09-23 | Level gauge support for pavement elevation measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110553622A true CN110553622A (en) | 2019-12-10 |
Family
ID=68741036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910900671.6A Pending CN110553622A (en) | 2019-09-23 | 2019-09-23 | Level gauge support for pavement elevation measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110553622A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201675317U (en) * | 2010-05-31 | 2010-12-22 | 东莞市汇雅实业有限公司 | Desk with foldable side edges |
| CN203647012U (en) * | 2013-12-25 | 2014-06-18 | 赵恒成 | Desk hook |
| CN104613360A (en) * | 2013-11-01 | 2015-05-13 | 深圳市海洋王照明工程有限公司 | Clamping type table lamp |
| CN205547923U (en) * | 2016-03-08 | 2016-09-07 | 袁芳芳 | Book stand is used in chinese teaching |
| CN207147468U (en) * | 2017-08-15 | 2018-03-27 | 无锡建设监理咨询有限公司 | A kind of support for being used to support spirit level and the spirit level including the support |
| CN207262262U (en) * | 2017-08-04 | 2018-04-20 | 谢煜灏 | A kind of adjustable reading lamp of lighting angle |
| CN207894438U (en) * | 2018-03-12 | 2018-09-21 | 河南中测技术检测服务有限公司 | A kind of support device of environment detector |
| CN208875560U (en) * | 2017-12-29 | 2019-05-21 | 曹学莉 | Chinese language reads plate |
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2019
- 2019-09-23 CN CN201910900671.6A patent/CN110553622A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201675317U (en) * | 2010-05-31 | 2010-12-22 | 东莞市汇雅实业有限公司 | Desk with foldable side edges |
| CN104613360A (en) * | 2013-11-01 | 2015-05-13 | 深圳市海洋王照明工程有限公司 | Clamping type table lamp |
| CN203647012U (en) * | 2013-12-25 | 2014-06-18 | 赵恒成 | Desk hook |
| CN205547923U (en) * | 2016-03-08 | 2016-09-07 | 袁芳芳 | Book stand is used in chinese teaching |
| CN207262262U (en) * | 2017-08-04 | 2018-04-20 | 谢煜灏 | A kind of adjustable reading lamp of lighting angle |
| CN207147468U (en) * | 2017-08-15 | 2018-03-27 | 无锡建设监理咨询有限公司 | A kind of support for being used to support spirit level and the spirit level including the support |
| CN208875560U (en) * | 2017-12-29 | 2019-05-21 | 曹学莉 | Chinese language reads plate |
| CN207894438U (en) * | 2018-03-12 | 2018-09-21 | 河南中测技术检测服务有限公司 | A kind of support device of environment detector |
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