CN205149327U - Portable blackboard - Google Patents
Portable blackboard Download PDFInfo
- Publication number
- CN205149327U CN205149327U CN201520872614.9U CN201520872614U CN205149327U CN 205149327 U CN205149327 U CN 205149327U CN 201520872614 U CN201520872614 U CN 201520872614U CN 205149327 U CN205149327 U CN 205149327U
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- CN
- China
- Prior art keywords
- base
- feet
- bracing frame
- folding
- blackboard
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- Expired - Fee Related
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Abstract
The utility model discloses a portable blackboard, including folding blackboard, folding support with can dismantle the base, install folding support on can dismantling the base, folding blackboard is placed on folding support, and folding support includes and first support frame and second support frame is equipped with a rotary mechanism between first support frame and the second support frame, and first support frame is first supporting legs, second supporting legs, head rod and second connecting rod fixed connection's rectangle, and first supporting legs and second supporting legs are the multisection and just can stretch out and draw back. The utility model discloses rational in infrastructure, portable, stable in structure, can adapt to different environment.
Description
Technical field
The utility model belongs to teaching aid field, more specifically relates to a kind of Portable blackboard.
Background technology
Traditional blackboard is all fix on the wall, cannot use when outdoor.The blank of the teaching that market has at present, can be placed on outdoor application, but volume is comparatively large, is not easy to carry, and bottom is unstable, cannot impart knowledge to students outdoor when especially wind is large again.On stable road surface, irregular meadow, have in the weather of wind, at outdoor application and portable blackboard, also do not have in the market.
Utility model content
In order to solve the problem, the utility model provide a kind of rational in infrastructure, be easy to carry, the Portable blackboard of environment that Stability Analysis of Structures, adaptation are different.
According to an aspect of the present utility model, comprise Folding blackboard, folding rack and detachable base, detachable base is provided with folding rack, Folding blackboard is placed on folding rack, folding rack comprises the first bracing frame and the second bracing frame, the first rotating mechanism is provided with between first bracing frame and the second bracing frame, first bracing frame is the first feet, second feet, the rectangle that head rod is fixedly connected with the second connecting rod, first feet and the second feet are more piece and can stretch, critical piece is dismantled, folding to reduce space, to realize portable effect.
In some embodiments, the structure of the second bracing frame is identical with the first bracing frame, the rectangular configuration that second bracing frame is the 3rd feet, the 4th feet, the 3rd connecting rod are fixedly connected with the 4th connecting rod, first feet, the second feet, the 3rd feet, the 4th feet are equipped with retainer ring, retainer ring can be fixed by ground nail, supported by four pin comparatively firm, be convenient to the firm of outdoor application and different environments for use can be adapted to.
In some embodiments, head rod two ends are provided with the first pressure pin and the second pressure pin, and the first pressure pin and the second pressure pin can shrink into head rod, and be that blackboard is placed more stable by pressure pin, during the contraction of pressure pin, volume reduces, and is easy to carry.
In some embodiments, the second connecting rod is provided with standing groove, between standing groove and the second connecting rod, is provided with the second whirligig, folding to reduce space, to realize portable effect.
In some embodiments, standing groove two ends are provided with the 3rd pressure pin and the 4th pressure pin, and the 3rd pressure pin and the 4th pressure pin can shrink into standing groove, and be that blackboard is placed more stable by pressure pin, during the contraction of pressure pin, volume reduces, and is easy to carry.
In some embodiments, be provided with support bar between the first bracing frame and the second bracing frame, support bar is provided with multiple, makes the first bracing frame relative fixing with the second bracing frame, be convenient to the firm of outdoor application by support bar.
In some embodiments, the 3rd whirligig that Folding blackboard comprises multiple blackboard and arranges between every two pieces of blackboards, Folding blackboard can be fixed by fixed band and folding rack, folding is the reduced space of polylith blackboard, to realize portable effect, blackboard can be made fixing more firm by fixed band.
In some embodiments, detachable base comprises the first base, the second base, the 3rd base and the 4th base, first base two ends removably connect the second base and the 4th base, 3rd base two ends removably connect the second base and the 4th base, first base, the second base, the 3rd base and the 4th base are multi-joint telescoping structure, dismounting, contraction make the reduced space of base, to realize portable effect.
In some embodiments, second base and the 4th base two ends are equipped with installing hole, installing hole can be set in outside the first bracing frame, the second feet, the 3rd feet and the 4th feet, base is fixed into rectangle, and support is inserted in installing hole, make support more firm, be convenient to the firm of outdoor application.
The beneficial effect of Portable blackboard described in the utility model is: rational in infrastructure, be easy to carry, environment that Stability Analysis of Structures, adaptation are different.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Portable blackboard;
Fig. 2 is the folding schematic diagram of the utility model Portable blackboard folding rack;
Fig. 3 is the folding schematic diagram of the utility model Portable blackboard folding rack;
Fig. 4 is the utility model Portable blackboard level land using state figure;
Fig. 5 is the utility model Portable blackboard uneven ground using state figure;
Fig. 6 is the utility model Portable blackboard folded state schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, Portable blackboard comprises Folding blackboard 1, folding rack 2 and detachable base 3, detachable base 3 is provided with folding rack 2, and Folding blackboard 1 is placed on folding rack 2.By the dismounting of the folding of Folding blackboard 1 and folding rack 2 and detachable base 3, make the space shared by Portable blackboard less, be convenient to go out to portably use.
Folding rack 2 comprises the first bracing frame 21 and the second bracing frame 22, the first rotating mechanism 23 is provided with between first bracing frame 21 and the second bracing frame 22, usual rotating mechanism uses metal hinge or hinge, to realize strutting and regaining of the first bracing frame 21 and the second bracing frame 22.First bracing frame 21 comprises the first feet 211, second feet 212, head rod 213 and the second connecting rod 214.Second bracing frame 22 comprises the 3rd feet 221, the 4th feet 222, the 3rd connecting rod 223 and the 4th connecting rod 224.First bracing frame 21 is identical with the structure of the second bracing frame 22.The rectangular configuration that first bracing frame 21 is the first feet 211, second feet 212, head rod 213 is fixedly connected with the second connecting rod 214, wherein the first feet 211 and the second feet 212 are vertically arranged, head rod 213 and the second connecting rod 214 are horizontally disposed with, the mode be fixedly connected with can be that screw is fixed, and optimum adopts to be welded and fixed.First feet 211, second feet 212 the 3rd feet 221 and the 4th feet 222 are multi-joint telescoping structure, and optimum is employing three grades of stretching structures, and feet all adopts metal tube, and the caliber of three grades of metal tubes increases progressively, and sheathedly successively realize stretching.
Head rod 213 two ends are provided with the first pressure pin 215 and the second pressure pin 216.Head rod 213, first pressure pin 215 and the second pressure pin 216 all adopt metal tube to make, head rod 213 two ends perforate, first pressure pin 215 and the second pressure pin 216 are arranged in hole respectively, aperture is greater than the external diameter of the first pressure pin 215 and the second pressure pin 216, and the head rod 213 pushing hollow by the first pressure pin 215 and the second pressure pin 216 realizes the first pressure pin 215 and the second pressure pin 216 shrinks in head rod 213.
Second connecting rod 214 is provided with standing groove 217, the second whirligig 26 is provided with between standing groove 217 and the second connecting rod 214, usual rotating mechanism uses metal hinge or hinge, with realize standing groove 217 and the second connecting rod 214 strut and regain folding to reduce space, to realize portable effect.Standing groove 217 is the metallic channel of " U " type, for placing Folding blackboard 1, standing groove 217 two ends are provided with the 3rd pressure pin 218 and the 4th pressure pin 219,3rd pressure pin 218 and the 4th pressure pin 219 are similarly the metallic channel of " U " type, 3rd pressure pin 218 and the 4th pressure pin 219 are arranged on standing groove 217 two ends respectively, by promoting the 3rd pressure pin 218 and the 4th pressure pin 219 realizes the 3rd pressure pin 218 and the 4th pressure pin 219 can shrink in standing groove 217.
Support bar 24 is provided with between first bracing frame 21 and the second bracing frame 22, support bar 24 is provided with multiple, support bar 24 optimum is mounted on the second connecting rod 214 and the 4th connecting rod 224, also can be arranged on the first feet 211 and the 3rd feet 221, second feet 212 and the 4th feet 222, fix when making 24 first bracing frame 21 and the second bracing frame 22 are opened by support bar, so more stable when Portable blackboard is used out of doors.
Detachable base 3 is provided with folding rack 2, Folding blackboard 1 is placed on folding rack 2.Detachable base 3 comprises the first base 31, second base 32, the 3rd base 33 is identical with the 3rd base 33 structure with the 4th base 34, first base 31, and the second base 32 is identical with the 4th base 34 structure.Second base 32 and the 4th base 34 two ends are provided with perforate, first base 31 and the 3rd base 33 are " U " type structure, its projection is arranged in perforate, removably connect the second base 32 and the 4th base the 34, three base 33 two ends, first base 31 two ends are removably connected the second base 32 and the 4th base 34.Second base 32 and the 4th base 34 two ends are equipped with installing hole 35, installing hole 35 can be set in the first bracing frame 21, second feet 212, the 3rd feet 221 and the outer wing base of the 4th feet 222 and be fixed into rectangle, and support is inserted in installing hole 35, make support more firm, be convenient to the firm of outdoor application.First base 31, second base 32, the 3rd base 33 and the 4th base 34 are multi-joint telescoping structure, concrete structure is that three joints stretch, the two ends of the first base 31, second base 32, the 3rd base 33 and the 4th base 34 all can to intermediate warp, specifically can adopt that middle caliber larger two ends caliber is less realizes the contraction of two ends to centre when implementing; Also can adopt that the caliber at the middle less two ends of caliber is larger realizes the contraction of two ends to centre.
As shown in Figure 2, the first bracing frame 21 and the second bracing frame 22 can be made to close by the first rotating mechanism 23.The head rod 213 pushing hollow by the first pressure pin 215 and the second pressure pin 216 realizes the contraction of the first pressure pin 215 and the second pressure pin 216.By promoting, in the 3rd pressure pin 218 and the 4th pressure pin 219 to standing groove 217, to realize the contraction of the 3rd pressure pin 218 and the 4th pressure pin 219.Being multi-joint telescoping structure by the first feet 211, second feet 212 the 3rd feet 221 and the 4th feet 222 makes whole folding rack 2 be folded into rectangle, and institute takes up space and greatly reduces, so that carry.
As shown in Figure 3, the 3rd whirligig 12 that Folding blackboard 1 comprises multiple blackboard 11 and arranges between every two pieces of blackboards 11, is converted into blackboard 11 size by the 3rd whirligig 12 by Folding blackboard 1.Rotating mechanism uses metal hinge or hinge, and optimum is that the quantity of blackboard 11 is arranged to 4, and length shared after folding only has original 1/4th, is more easy to carry.
As shown in Figure 4, when using on smooth ground, first the first base 31, second base 32, the 3rd base 33 and the 4th base 34 are stretched out, be sheathedly successively assembled into rectangle; Again folding rack 2 is strutted, by the first feet 211, second feet 212 the 3rd feet 221 and the 4th feet 222 sheathed enter in installing hole 35; Be placed in standing groove 217 after again Folding blackboard 1 being trailed, finally use fixed band 13 Folding blackboard 1 and folding rack 2 to be fixed.
As shown in Figure 6, when irregular meadow uses, first folding rack 2 is strutted, the retainer ring that the first feet 211, second feet 212 the 3rd feet 221 and the 4th feet 222 are arranged is opened, ground nail 251 is headed into ground; Be placed in standing groove 217 after again Folding blackboard 1 being trailed, finally use fixed band 13 Folding blackboard 1 and folding rack 2 to be fixed.
As shown in Figure 5, the rectangle of fritter is become after Folding blackboard 1 is folding, less rectangle is become after folding rack 2 is folding, detachable base 3 becomes four metal tubes after dismantling, metal tube is shunk simultaneously again, Folding blackboard 1, folding rack 2 and detachable base 3 can be placed in bag when going out like this and take out of.
Above-described is only embodiments more of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from creation design of the present utility model; can also make other distortion and improve, these all belong to protection domain of the present utility model.
Claims (9)
1. Portable blackboard, it is characterized in that, comprise Folding blackboard (1), folding rack (2) and detachable base (3), described detachable base (3) is provided with folding rack (2), described Folding blackboard (1) is placed on folding rack (2), folding rack (2) comprises the first bracing frame (21) and the second bracing frame (22), the first rotating mechanism (23) is provided with between described first bracing frame (21) and the second bracing frame (22), described first bracing frame (21) is the first feet (211), second feet (212), the rectangle that head rod (213) is fixedly connected with the second connecting rod (214), described first feet (211) and the second feet (212) are more piece and can stretch.
2. Portable blackboard according to claim 1, it is characterized in that, the structure of described second bracing frame (22) is identical with the first bracing frame (21), described second bracing frame (22) is the 3rd feet (221), 4th feet (222), the rectangular configuration that 3rd connecting rod (223) is fixedly connected with the 4th connecting rod (224), described first feet (211), second feet (212), 3rd feet (221), 4th feet (222) is equipped with retainer ring (25), described retainer ring (25) can pass through ground nail (251) to be fixed.
3. Portable blackboard according to claim 1, it is characterized in that, described head rod (213) two ends are provided with the first pressure pin (215) and the second pressure pin (216), and described first pressure pin (215) and the second pressure pin (216) can shrink into head rod (213).
4. Portable blackboard according to claim 1, it is characterized in that, described second connecting rod (214) is provided with standing groove (217), between described standing groove (217) and the second connecting rod (214), is provided with the second whirligig (26).
5. Portable blackboard according to claim 4, it is characterized in that, described standing groove (217) two ends are provided with the 3rd pressure pin (218) and the 4th pressure pin (219), and described 3rd pressure pin (218) and the 4th pressure pin (219) can shrink into standing groove (217).
6. Portable blackboard according to claim 1, is characterized in that, be provided with support bar (24) between described first bracing frame (21) and the second bracing frame (22), described support bar (24) is provided with multiple.
7. Portable blackboard according to claim 1, it is characterized in that, the 3rd whirligig (12) that described Folding blackboard (1) comprises multiple blackboard (11) and arranges between every two pieces of blackboards (11), described Folding blackboard (1) can pass through fixed band (13) to be fixed with folding rack (2).
8. Portable blackboard according to claim 1, it is characterized in that, described detachable base (3) comprises the first base (31), second base (32), 3rd base (33) and the 4th base (34), described first base (31) two ends removably connect the second base (32) and the 4th base (34), described 3rd base (33) two ends removably connect the second base (32) and the 4th base (34), described first base (31), second base (32), 3rd base (33) and the 4th base (34) are multi-joint telescoping structure.
9. Portable blackboard according to claim 8, it is characterized in that, described second base (32) and the 4th base (34) two ends are equipped with installing hole (35), and described installing hole (35) can be set in the first bracing frame (21), the second feet (212), the 3rd feet (221) and the 4th feet (222) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872614.9U CN205149327U (en) | 2015-11-04 | 2015-11-04 | Portable blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872614.9U CN205149327U (en) | 2015-11-04 | 2015-11-04 | Portable blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205149327U true CN205149327U (en) | 2016-04-13 |
Family
ID=55685058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520872614.9U Expired - Fee Related CN205149327U (en) | 2015-11-04 | 2015-11-04 | Portable blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205149327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435335A (en) * | 2019-08-02 | 2019-11-12 | 广州科技贸易职业学院 | A kind of interest English teaching remittance explanation displaying teaching aid |
| CN114393944A (en) * | 2022-01-26 | 2022-04-26 | 南京旅游职业学院 | Contrast explanation board for Chinese international education and use method |
-
2015
- 2015-11-04 CN CN201520872614.9U patent/CN205149327U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435335A (en) * | 2019-08-02 | 2019-11-12 | 广州科技贸易职业学院 | A kind of interest English teaching remittance explanation displaying teaching aid |
| CN114393944A (en) * | 2022-01-26 | 2022-04-26 | 南京旅游职业学院 | Contrast explanation board for Chinese international education and use method |
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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: 20160413 Termination date: 20171104 |