CN204010419U - The sand table base that economical management teaching is used - Google Patents
The sand table base that economical management teaching is used Download PDFInfo
- Publication number
- CN204010419U CN204010419U CN201420425052.9U CN201420425052U CN204010419U CN 204010419 U CN204010419 U CN 204010419U CN 201420425052 U CN201420425052 U CN 201420425052U CN 204010419 U CN204010419 U CN 204010419U
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- China
- Prior art keywords
- hole
- loop bar
- stationary shaft
- backstay
- sand table
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Abstract
The sand table base that economical management teaching is used.The utility model relates to the sand table base that a kind of economical management teaching is used.Web member comprises brace (3), the center of brace has brace through hole, in brace through hole, connect locating shaft (24), the sand table back side is connected and fixed axle (5), stationary shaft is hollow, grafting backstay (6) in stationary shaft, the outside surface of stationary shaft connects No. one, loop bar (11) by the center pit of No. one, loop bar, the upper end of loop bar No. (11) connects L shaped kelly (8), L shaped kelly snaps in hole clipping, hole clipping comprises stationary shaft through hole (9) and backstay through hole (10), backstay through hole leaves on described backstay, stationary shaft through hole is opened on stationary shaft, stationary shaft through hole and backstay through hole are concentric through hole, the equal forming V-shape of stationary shaft through hole and backstay through hole is arranged, the tail end of L shaped kelly connects No. one, loop bar (11) No. two by expansion link, the head end of L shaped kelly is fixed shaft through-hole and backstay through hole is used.The sand table base that the utility model is used for economical management teaching.
Description
Technical field:
The utility model relates to the sand table base that a kind of economical management teaching is used.
Background technology:
Present sand table is all plane, and can not all the stand when more surrounding of sand table of student at school watches teacher to demonstrate, and can affect teaching efficiency, and demonstration on computers can lose authenticity, also can affect teaching efficiency.
Summary of the invention:
Even if the purpose of this utility model is to provide the sand table base that a kind of student much also can all watch economical management teaching that teacher demonstrates to use.
Above-mentioned object realizes by following technical scheme:
The sand table base that economical management teaching is used, its composition comprises: base 1, sand table 2, described sand table 2 passes through web member connection expansion link No. one, and described expansion link connects described base 1 No. one, and described expansion link is four for No. one, described web member comprises brace 3, the center of described brace 3 has brace through hole, in described brace through hole, connect locating shaft 24, described sand table 2 back sides are connected and fixed axle 5, described stationary shaft 5 is hollow, the interior grafting backstay 6 of described stationary shaft 5, the outside surface of described stationary shaft 5 connects loop bar No. one 11 by the center pit of No. one, loop bar, the upper end that described loop bar is No. one 11 connects L shaped kelly 8, described L shaped kelly 8 snaps in hole clipping, described hole clipping comprises stationary shaft through hole 9 and backstay through hole 10, described backstay through hole 10 is opened on described backstay 6, described stationary shaft through hole 9 is opened on described stationary shaft 5, described stationary shaft through hole 9 is concentric through hole with described backstay through hole 10, described stationary shaft through hole 9 is arranged with the described equal forming V-shape of backstay through hole 10, the tail end of described L shaped kelly 8 connects described loop bar No. one 11 No. two by expansion link, the head end of described L shaped kelly 8 coordinates described stationary shaft through hole 9 and described backstay through hole 10 to use.
The sand table base that described economical management teaching is used, described expansion link comprises loop bar No. one 11 for No. one, described loop bar connects described loop bar No. two 12 No. one by fastener No. one 11, described loop bar connects described loop bar No. three 13 No. two by fastener No. two 12, described loop bar connects described loop bar No. four 14 No. three by fastener No. three 13, and described loop bar connects described base 1 No. four 14.
The sand table base that described economical management teaching is used, the identical protruding card column 15 including in the through hole 22 that is connected to loop bar top of structure that No. three, No. one described, fastener, No. two described, fastener, described fastener, the bottom linking springs 16 of described protruding card column 15, described spring 16 is connected to rear wall 17 inner sides at described loop bar top; The end face of described protruding card column 15 has groove 18, and described groove 18 coordinates the bottom of described loop bar to use.
The sand table base that described economical management teaching is used, described expansion link comprises outer bar 19 for No. two, described outer bar 19 covers have king-rod 20, described king-rod 20 covers have interior bar 21, described interior bar 21 connects described L shaped kelly 8, described outer bar 19 is fastenedly connected on coupling shaft 7, and described coupling shaft 7 connects described loop bar No. one 11 by the stator 4 with central through hole.
Beneficial effect:
1. expansion link of the present utility model is fixed axle and backstay for No. one and uses acting on backstay and stationary shaft of acting force while guaranteeing to make L shaped kelly card column hole clipping, increase stability.
2. the equal forming V-shape of stationary shaft through hole backstay through hole of the present utility model is arranged, and guarantees can select different stationary shaft through hole backstay through holes to use according to the difference of propping angle.
3. the structure of No. two, No. one, expansion link of the present utility model and expansion link is different because the positions that they are used for are different, and that bears varies in weight.
4. No. one, fastener of the present utility model, No. two, fastener, fastener are identical structure No. three, can better select to need according to selected angle the fastener number of use.
5. groove of the present utility model is opened and in protruding card column, is made protruding card column better by loop bar, support the weight of sand table, can landing while making loop bar be stuck in protruding card column.
Accompanying drawing explanation:
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is that the part of accompanying drawing 1 connects and hole clipping schematic diagram.
Accompanying drawing 3 is schematic diagram of No. two, the fastener of accompanying drawing 1.
Embodiment:
Embodiment 1
The sand table base that economical management teaching is used, its composition comprises: base 1, sand table 2, described sand table 2 passes through web member connection expansion link No. one, and described expansion link connects described base 1 No. one, and described expansion link is four for No. one, described web member comprises brace 3, the center of described brace 3 has brace through hole, in described brace through hole, connect locating shaft 24, described sand table 2 back sides are connected and fixed axle 5, described stationary shaft 5 is hollow, the interior grafting backstay 6 of described stationary shaft 5, the outside surface of described stationary shaft 5 connects loop bar No. one 11 by the center pit of No. one, loop bar, the upper end that described loop bar is No. one 11 connects L shaped kelly 8, described L shaped kelly 8 snaps in hole clipping, described hole clipping comprises stationary shaft through hole 9 and backstay through hole 10, described backstay through hole 10 is opened on described backstay 6, described stationary shaft through hole 9 is opened on described stationary shaft 5, described stationary shaft through hole 9 is concentric through hole with described backstay through hole 10, described stationary shaft through hole 9 is arranged with the described equal forming V-shape of backstay through hole 10, the tail end of described L shaped kelly 8 connects described loop bar No. one 11 No. two by expansion link, the head end of described L shaped kelly 8 coordinates described stationary shaft through hole 9 and described backstay through hole 10 to use.Between base and sand table, No. one, connection expansion link, can adjust as required length, and web member can be adjusted angle according to the needs of teaching, makes the use of sand table more convenient, more reasonable.
Embodiment 2
The sand table base that economical management teaching described in embodiment 1 is used, described expansion link comprises loop bar No. one 11 for No. one, described loop bar connects described loop bar No. two 12 No. one by fastener No. one 11, described loop bar connects described loop bar No. three 13 No. two by fastener No. two 12, described loop bar connects described loop bar No. four 14 No. three by fastener No. three 13, and described loop bar connects described base 1 No. four 14.Guarantee the weight that expansion link coordinates fastener can bear sand table, can make in use the structure of No. one, expansion link more stable, can select as required whether by 4 whole stretching uses of loop bar.
Embodiment 3
The sand table base that economical management teaching described in embodiment 2 is used, the identical protruding card column 15 including in the through hole 22 that is connected to loop bar top of structure that No. three, No. one described, fastener, No. two described, fastener, described fastener, the bottom linking springs 16 of described protruding card column 15, described spring 16 is connected to rear wall 17 inner sides at described loop bar top; The end face of described protruding card column 15 has groove 18, and described groove 18 coordinates the bottom of described loop bar to use.Groove is opened and in protruding card column, is made protruding card column better by loop bar, support the weight of sand table, can landing while making loop bar be stuck in protruding card column.
Embodiment 4
The sand table base that economical management teaching described in embodiment 1 is used, described expansion link comprises outer bar 19 for No. two, described outer bar 19 covers have king-rod 20, described king-rod 20 covers have interior bar 21, described interior bar 21 connects described L shaped kelly 8, described outer bar 19 is fastenedly connected on coupling shaft 7, and described coupling shaft 7 connects described loop bar No. one 11 by the stator 4 with central through hole.No. two, expansion link only need to coordinate L shaped kelly to block hole clipping, does not need to support too many weight, so the structure of it and No. one, expansion link is different, the more convenient use of structure that No. two, expansion link, can make L shaped kelly be stuck in corresponding hole clipping fast.
Embodiment 5
The sand table base that described economical management teaching is used, described base 1 has circular socket holes 25, in described jack 25, pack described loop bar No. four 14 into, the bottom that described loop bar is No. four 14 has No. four through holes 26 of loop bar, in described No. four through holes 26 of loop bar, pack inserted link 27 into, described inserted link 27 is also through base plate through holes 23, and described base plate through holes 23 is opened before described base 1 with below.No. four, the more firm and stable connection loop bar of base.
Embodiment 6
The sand table base that described economical management teaching is used, on lecture theater, class hour is because student is numerous, can not all be trapped among sand table around, at this moment can utilize the flexible rod member of sand table base of the present utility model, sand table can be supported to certain angle, whole classmates can be seen, the superincumbent demonstration of teacher.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (4)
1. the sand table base that an economical management teaching is used, its composition comprises: base (1), sand table (2), it is characterized in that: described sand table (2) passes through web member connection expansion link No. one, described expansion link connects described base (1) No. one, and described expansion link is four for No. one, described web member comprises brace (3), the center of described brace (3) has brace through hole, in described brace through hole, connect locating shaft (24), described sand table (2) back side is connected and fixed axle (5), described stationary shaft (5) is hollow, the interior grafting backstay of described stationary shaft (5) (6), the outside surface of described stationary shaft (5) connects No. one, loop bar (11) by the center pit of No. one, loop bar, the upper end of described loop bar No. (11) connects L shaped kelly (8), described L shaped kelly (8) snaps in hole clipping, described hole clipping comprises stationary shaft through hole (9) and backstay through hole (10), described backstay through hole (10) is opened on described backstay (6), described stationary shaft through hole (9) is opened on described stationary shaft (5), described stationary shaft through hole (9) is concentric through hole with described backstay through hole (10), described stationary shaft through hole (9) and all forming V-shape arrangements of described backstay through hole (10), the tail end of described L shaped kelly (8) connects described No. one, loop bar (11) No. two by expansion link, the head end of described L shaped kelly (8) coordinates described stationary shaft through hole (9) and described backstay through hole (10) to use.
2. the sand table base that economical management teaching according to claim 1 is used, it is characterized in that: described expansion link comprises described No. one, loop bar (11) for No. one, described loop bar No. (11) connects described No. two, loop bar (12) No. one by fastener, described loop bar No. two (12) connects described No. three, loop bar (13) No. two by fastener, described loop bar No. three (13) connects described No. four, loop bar (14) No. three by fastener, and described loop bar No. four (14) connects described base (1).
3. the sand table base that economical management teaching according to claim 2 is used, it is characterized in that: the identical protruding card column (15) including in the through hole (22) that is connected to loop bar top of structure that No. three, No. one described, fastener, No. two described, fastener, described fastener, the bottom linking springs (16) of described protruding card column (15), described spring (16) is connected to rear wall (17) inner side at described loop bar top; The end face of described protruding card column (15) has groove (18), and described groove (18) coordinates the bottom of described loop bar to use.
4. the sand table base that economical management teaching according to claim 1 is used, it is characterized in that: described expansion link comprises outer bar (19) for No. two, described outer bar (19) cover has king-rod (20), described king-rod (20) cover has interior bar (21), described interior bar (21) connects described L shaped kelly (8), described outer bar (19) is fastenedly connected at coupling shaft (7) upper, and described coupling shaft (7) connects described No. one, loop bar (11) by the stator with central through hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420425052.9U CN204010419U (en) | 2014-07-30 | 2014-07-30 | The sand table base that economical management teaching is used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420425052.9U CN204010419U (en) | 2014-07-30 | 2014-07-30 | The sand table base that economical management teaching is used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204010419U true CN204010419U (en) | 2014-12-10 |
Family
ID=52050385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420425052.9U Expired - Fee Related CN204010419U (en) | 2014-07-30 | 2014-07-30 | The sand table base that economical management teaching is used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204010419U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712504A (en) * | 2019-02-25 | 2019-05-03 | 泉州市金永贸进出口有限公司 | A kind of business administration sand table |
-
2014
- 2014-07-30 CN CN201420425052.9U patent/CN204010419U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712504A (en) * | 2019-02-25 | 2019-05-03 | 泉州市金永贸进出口有限公司 | A kind of business administration sand table |
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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: 20141210 Termination date: 20180730 |