CN211730828U - Portable folding blackboard convenient to assemble - Google Patents
Portable folding blackboard convenient to assemble Download PDFInfo
- Publication number
- CN211730828U CN211730828U CN202020219981.XU CN202020219981U CN211730828U CN 211730828 U CN211730828 U CN 211730828U CN 202020219981 U CN202020219981 U CN 202020219981U CN 211730828 U CN211730828 U CN 211730828U
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- plate body
- groove
- lifting column
- fixedly connected
- outer side
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Abstract
The utility model relates to the field of teaching aids, in particular to a portable convenient folding blackboard, which comprises a blackboard body, rivets and hinges, wherein the blackboard body is provided with two groups of symmetrical and bilateral arrangements, the front end of the blackboard body is provided with a writing semi-board surface, the top end of the blackboard body is provided with a T-shaped slot, the left and right sides of the middle part of the T-shaped slot are symmetrically provided with two groups of mounting grooves, the bottom end of the mounting groove is fixedly connected with a first spring, the outer side end of the first spring is fixedly connected with a pressing slider, the outer side wall of the lower end of the blackboard body is provided with a lifting column placing groove, the outer side end of the lifting column placing groove is provided with a longitudinal T-shaped chute, the top end of the T-shaped chute is fixedly connected with a second spring, the bottom end of the second spring is fixedly connected with a T-, the utility model provides a convenient folding and not occupation space's blackboard.
Description
Technical Field
The utility model relates to a teaching aid field, concretely relates to portable folding blackboard of type of just adorning.
Background
The blackboard is a teaching tool, and the traditional blackboard is mostly arranged in places such as classrooms of schools, reporting halls of certain lectures and the like and is a plate fixed on the wall. With the development of economy and diversification of industries, blackboards are no longer used only for schools but also for various conferences in various enterprises. Due to the requirement, the existing blackboard is not fixed any more, but a movable blackboard appears, so that the movable blackboard is convenient to move and place anywhere. Although the existing blackboards have a plurality of types and functions, the existing blackboards still have a plurality of defects, and at present, the existing blackboards which are fixed indoors or can be moved anywhere can only be used for teaching indoors and are inconvenient to carry and go out, so that the requirements of field teaching and outdoor temporary meetings cannot be met.
If chinese patent application number is CN201420796194.6 discloses a portable folding blackboard, including two top articulated blackboard faces, the curb plate is all installed to the both sides of every blackboard face, vertical gib block is seted up in the outside of curb plate, the side cooperation of curb plate sets up the supporting leg, vertical guide way is seted up to the rear side of supporting leg, the guide way is the dovetail, the supporting leg rear side sets up the ratchet of vertical bar, the articulated ratchet in lower part of curb plate, ratchet and ratchet cooperation, the lateral part installation driving lever of ratchet, the dog down is set up to the driving lever lower part, the upper portion of driving lever sets up the dog, dog and last dog fixed mounting are on the curb plate down, set up the spring leaf between driving lever and the last dog. The utility model discloses can fold between the blackboard face, folding back area diminishes, and occupation space is not very convenient to carry, its simple structure, low in cost. When in use, the two blackboard surfaces are unfolded and directly erected without additional support; the height of using is adjusted as required, uses the height direct pulling supporting leg, and the distance of pulling out is direct for confirming length, conveniently opens.
The device is inconvenient to fold and the device does not have a good function of accomodating, and is relatively occupation space.
To the problem, the utility model designs a portable folding blackboard of type of just adorning.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the utility model provides a portable folding blackboard of type of just adorning. The problems are solved as much as possible, thereby providing a blackboard which is convenient to fold and does not occupy space.
The utility model discloses a following technical scheme realizes:
a portable convenient folding blackboard comprises a blackboard body, rivets and hinges, wherein the blackboard body is provided with two groups which are arranged symmetrically left and right, the front end of the blackboard body is provided with a writing half board surface, the top end of the blackboard body is provided with a T-shaped slot, the left side and the right side of the middle part of the T-shaped slot are symmetrically provided with two groups of mounting grooves, the bottom end of each mounting groove is fixedly connected with a first spring, the outer side end of each first spring is fixedly connected with a pressing slide block, the outer side wall of the lower end of the blackboard body is provided with a lifting column placing groove, the outer side end of each lifting column placing groove is provided with a longitudinal T-shaped slide groove, the top end of each T-shaped slide groove is fixedly connected with a second spring, the bottom end of each second spring is fixedly connected with a T-shaped slide block, the T-shaped slide grooves are connected, the improved lifting plate is characterized in that a fixed screw groove is formed in the middle of the bottom end of the plate body, an inserting groove is formed in the outer side portion of the bottom end of the plate body, a lifting column is inserted in the inserting groove, a T-shaped support is connected to the lower end of the lifting column in a sliding mode, and a locking knob is further arranged on the upper portion of the front end of the T-shaped support.
Preferably, when the hinge is fully extended, the left and right jotting half boards are aligned with each other and form a complete jotting board.
Preferably, the T-shaped slot is matched with the T-shaped support, and the width of the notch at the top end of the T-shaped slot is larger than that of the supporting leg at the bottom end of the T-shaped support.
Preferably, the length, width and height of the lifting column containing groove are all larger than the length, width and height of the lifting column.
Preferably, the outer side end of the T-shaped sliding block is further provided with a handle groove.
Preferably, the lifting handle is a leather handle.
Preferably, the hinge also comprises screws, and the middle parts of the rear ends of the plate bodies on the left side and the right side are fixedly connected with the left end and the right end of the hinge through a plurality of groups of screws respectively.
Preferably, the upper end of the T-shaped support is provided with a lifting chute, the lifting column is in sliding connection with the lifting chute, the upper part of the front end of the T-shaped support is provided with a locking threaded hole, the locking knob is in threaded connection with the locking threaded hole and compresses the lifting column, and the locking knob is further in threaded fit with the fixed threaded groove.
The utility model has the advantages that: the plate body of the hinged joint left and right sides through setting up makes the plate body have fine folding function, and the T type slot, lift post standing groove, the fixed screw groove that set up simultaneously use with T type support, lift post and locking knob mutually supporting respectively, can make the device have fine function of accomodating, avoid taking too much space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a transverse longitudinal cross-sectional view of the present invention;
fig. 3 is a bottom perspective view of the present invention;
fig. 4 is a longitudinal sectional view of the present invention;
fig. 5 is a bottom perspective view of the utility model after being folded and stored;
fig. 6 is a rear sectional view of the folding storage of the present invention;
fig. 7 is a schematic structural view of the utility model after being folded and stored.
In the figure: the multifunctional pen holder comprises a plate body 1, a 101-T-shaped slot, a 102-lifting column placing slot, a 103-fixing screw slot, a 104-inserting slot, a 2-writing half plate surface, a 3-first spring, a 4-pressing sliding block, a 5-second spring, a 6-T-shaped sliding block, a 7-rivet, an 8-lifting handle, a 9-hinge, a 10-lifting column, an 11-T-shaped support and a 12-locking knob.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 7, a portable and easy-to-mount folding blackboard comprises a board body 1, rivets 7 and hinges 9, wherein the board body 1 is provided with two sets of boards which are arranged symmetrically left and right, the front end of the board body 1 is provided with a writing half board 2, the top end of the board body 1 is provided with a T-shaped slot 101, the left and right sides of the middle part of the T-shaped slot 101 are provided with two sets of mounting grooves symmetrically, the bottom end of the mounting groove is fixedly connected with a first spring 3, the outer side end of the first spring 3 is fixedly connected with a pressing slide block 4, the outer side wall of the lower end of the board body 1 is provided with a lifting column placing groove 102, the outer side end of the lifting column placing groove 102 is provided with a longitudinal T-shaped slide groove, the top end of the T-shaped slide groove is fixedly connected with a second spring 5, the bottom end of the second spring 5 is fixedly connected with a T-shaped slide, the middle part of the bottom end of the plate body 1 is provided with a fixed screw groove 103, the outer side part of the bottom end of the plate body 1 is provided with an inserting groove 104, a lifting column 10 is inserted in the inserting groove 104, the lower end of the lifting column 10 is connected with a T-shaped support 11 in a sliding mode, and the upper part of the front end of the T-shaped support 11 is further provided with a locking knob 12.
Specifically, when the hinge 9 is completely unfolded, the left and right writing half boards 2 are aligned with each other to form a complete writing board, the T-shaped slot 101 is matched with the T-shaped support 11, and the notch width on T type slot 101 top is greater than the width of T type support 11 bottom landing leg, lift post standing groove 102 length width height all is greater than the length width height of lift post 10, T type slider 6 outside end still is equipped with the handle groove, it is the cortex handle to carry pull handle 8, still include the screw, both ends about 1 rear end middle part of the plate body of the left and right sides is respectively through a plurality of groups screw fixed connection hinge 9, T type support 11 upper end is equipped with the lift spout, this lift spout of lift post 10 sliding connection, T type support 11 front end upper portion is equipped with the locking screw hole, this locking screw hole of locking knob 12 threaded connection compresses tightly lift post 10, locking knob 12 is screw-thread fit fixed screw groove 103 still.
In the utility model, when the device is used, the whole device is carried to the place needing to be written through two groups of lifting handles 8, then the T-shaped support 11 is clamped at the two sides of the upper end of the T-shaped slot 101 by hands, the T-shaped support 11 is separated from the T-shaped slot 101, then fingers are used to lock the handle groove arranged at the outer side end of the T-shaped slider 6, the second spring 5 is compressed upwards, the port of the lifting column placing groove 102 is exposed, the lifting column 10 in the lifting column placing groove 102 is taken out, then the locking knob 12 connected on the fixed screw groove 103 is taken off, the workpiece taking work is completed, then the device is assembled, when the device is assembled, the two side plate bodies 1 are firstly unfolded, the lifting column 10 is inserted into the top end of the T-shaped support 11, the locking knob 12 is rotated, the lifting column 10 is inserted on the inserting groove 104 arranged at the outer side part of the bottom end of the plate body 1, the adjustment can be carried out by rotating the locking knob 12 when the height, the fixed thread groove 103 of the T-shaped slot 101 and the lifting column placing groove 102 are matched with the T-shaped support 11, the lifting column 10 and the locking knob 12 respectively for use, so that the device has a good storage function and is prevented from occupying too much space.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides a portable folding blackboard of type of just adorning which characterized in that: the plate comprises a plate body (1), rivets (7) and hinges (9), wherein the plate body (1) is provided with two groups of grooves which are arranged in a bilateral symmetry manner, the front end of the plate body (1) is provided with a writing half plate surface (2), the top end of the plate body (1) is provided with a T-shaped slot (101), the left side and the right side of the middle part of the T-shaped slot (101) are symmetrically provided with two groups of mounting grooves, the bottom end of each mounting groove is fixedly connected with a first spring (3), the outer side end of the first spring (3) is fixedly connected with a pressing slide block (4), the outer side wall of the lower end of the plate body (1) is provided with a lifting column placing groove (102), the outer side end of the lifting column placing groove (102) is provided with a longitudinal T-shaped chute, the top end of the T-shaped chute is fixedly connected with a second spring (5), the, the improved lifting plate is characterized in that a lifting handle (8) is fixedly connected to the rear portion of the outer end of the plate body (1) through a rivet (7), the rear ends of the plate body (1) symmetrically arranged on the left side and the right side are hinged to each other through a hinge (9), a fixing screw groove (103) is arranged in the middle of the bottom end of the plate body (1), an insertion groove (104) is formed in the outer side portion of the bottom end of the plate body (1), a lifting column (10) is inserted in the insertion groove (104), a T-shaped support (11) is connected to the lower end of the lifting column (10) in a sliding mode, and a locking knob (12) is further arranged.
2. A portable handy folding blackboard according to claim 1, characterised in that: when the hinge (9) is completely unfolded, the writing half board surfaces (2) on the left side and the right side are mutually aligned and form a complete writing board surface.
3. A portable handy folding blackboard according to claim 1, characterised in that: t type slot (101) and T type support (11) mutually support, just the notch width at T type slot (101) top is greater than the width of T type support (11) bottom landing leg.
4. A portable handy folding blackboard according to claim 1, characterised in that: the length, the width and the height of the lifting column placing groove (102) are all larger than those of the lifting column (10).
5. A portable handy folding blackboard according to claim 1, characterised in that: the outer side end of the T-shaped sliding block (6) is also provided with a handle groove.
6. A portable handy folding blackboard according to claim 1, characterised in that: the lifting handle (8) is a leather handle.
7. A portable handy folding blackboard according to claim 1, characterised in that: the plate body (1) comprises a left plate body and a right plate body, and is characterized by further comprising screws, wherein the middle parts of the rear ends of the left plate body and the right plate body are fixedly connected with the left end and the right end of the hinge (9) through a plurality of groups of screws respectively.
8. A portable handy folding blackboard according to claim 1, characterised in that: t type support (11) upper end is equipped with the lift spout, this lift spout of lift post (10) sliding connection, T type support (11) front end upper portion is equipped with the locking screw hole, this locking screw hole of locking knob (12) threaded connection compresses tightly lift post (10), locking knob (12) are the fixed spiral shell groove of screw-thread fit (103) still.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219981.XU CN211730828U (en) | 2020-02-27 | 2020-02-27 | Portable folding blackboard convenient to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020219981.XU CN211730828U (en) | 2020-02-27 | 2020-02-27 | Portable folding blackboard convenient to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211730828U true CN211730828U (en) | 2020-10-23 |
Family
ID=72877112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020219981.XU Expired - Fee Related CN211730828U (en) | 2020-02-27 | 2020-02-27 | Portable folding blackboard convenient to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211730828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801555A (en) * | 2022-05-25 | 2022-07-29 | 浙江育英职业技术学院 | Entrepreneurship training is with adjustable display device |
-
2020
- 2020-02-27 CN CN202020219981.XU patent/CN211730828U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801555A (en) * | 2022-05-25 | 2022-07-29 | 浙江育英职业技术学院 | Entrepreneurship training is with adjustable display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |