CN113334971A - Rotatable preschool education is with small-size blackboard - Google Patents
Rotatable preschool education is with small-size blackboard Download PDFInfo
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- CN113334971A CN113334971A CN202110660001.9A CN202110660001A CN113334971A CN 113334971 A CN113334971 A CN 113334971A CN 202110660001 A CN202110660001 A CN 202110660001A CN 113334971 A CN113334971 A CN 113334971A
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- plate
- rod
- blackboard
- turnover
- locking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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Abstract
The invention discloses a rotatable small blackboard for preschool education, which structurally comprises a support, a telescopic rod and a movable blackboard, and has the advantages that the rotatable small blackboard for preschool education has the advantages that a horizontal rotating device and a turnover locking device are arranged, the front blackboard and the rear blackboard of equipment can rotate on the inner board by matching with the front blackboard and the inner board which are assembled by the fixed point locking device and the blackboard rotating device, can be used for adjusting angles in all directions by matching with turnover and horizontal rotation, can be used for accommodating articles by opening and closing the front blackboard and the rear blackboard by arranging a storage tank on the inner board, can be locked by arranging the fixed point locking device and a master locking device at the movable joint of the equipment, and is internally provided with a rotating locking card board, so that the horizontal rotation of the equipment, the blackboard rotation and the turnover rotation can be reversely adjusted and locked at multiple points, the equipment is prevented from being forced to incline after the direction is adjusted, and the use is convenient.
Description
Technical Field
The invention belongs to the technical field of small blackboards, and particularly relates to a rotatable small blackboard for preschool education.
Background
Over two hundred years, the blackboard is developed from the earliest of coating black paint on the surface of hard objects such as wood boards, cement and the like to the watermill glass, color-coated steel plates, composite material plates and the like in the nineties, witnessing the one-step development of the world education industry, spreading knowledge, popularizing education and setting up the labor of sweaty horses, and the types of the blackboard also begin to change into complicated and various types, and the blackboard is divided into a blackboard, a green plate, a white plate and the like from the aspect of color, a flat plate, an arc panel from the aspect of surface shape, a bracket movable plate, a push-pull plate, a lifting plate and a magnetic blackboard from the aspect of structure, and the teaching blackboard is divided into a teaching blackboard, an office white board, an advertising plate and a display plate from the aspect of use, and the teaching blackboard also comprises an electronic blackboard, a multifunctional combined plate, an interactive electronic whiteboard, a projection plate with a screen and the like, wherein the small blackboard is mainly used for various rule tools which need to be written in family learning and competition, the blackboard is characterized in that the blackboard is a straight blackboard convenient to move, the blackboard is improved along with the rapid development of scientific technology, but the blackboard has poor rotation performance in the prior art, can be generally only used for simple overturning and horizontal rotation, influences the applicability of the blackboard in different environments and causes inconvenience, and the blackboard is locked in rotation and other needs by simply adopting modes of jacking, increasing friction and the like in the prior art, so that the blackboard is easy to tilt when being stressed in the movable direction and causes inconvenience.
Disclosure of Invention
Technical problem to be solved
In order to overcome the prior art not enough, the rotatable preschool education is with small-size blackboard is proposed at present, when using in order to solve prior art, the rotation performance of blackboard is poor, generally only can be used for simple upset and horizontal rotation, influence the suitability of blackboard in different environment, cause inconvenience, and prior art when using, the blackboard generally only simple adoption roof pressure increases modes such as friction and locks when rotatory etc. need lock, thereby lead to the blackboard to incline easily when the atress of mobile direction, cause inconvenient effect.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides a rotatable small blackboard for preschool education, which comprises a support, a telescopic rod and a movable blackboard, wherein the middle part of the top end of the support is fixedly connected with the bottom end of the telescopic rod, and the top end of the telescopic rod is movably buckled with the bottom end of the movable blackboard;
the movable blackboard comprises a horizontal rotating device, a fixed point clamping and locking device, a turnover assembly frame, a turnover shaft lever, an inner rear plate, an assembly middle plate, a turnover clamping and locking device, an inner front plate, a small storage tank, a large storage tank, a front blackboard, a rear blackboard, a blackboard rotating device, a protective strip and a butt-joint locking plate, wherein the middle part of the bottom end of the turnover assembly frame is movably fastened with the top end of a telescopic rod through the horizontal rotating device, the fixed point clamping and locking device is arranged between the turnover assembly frame and the horizontal rotating device, the inner rear plate is arranged right behind the inner front plate, the joint of the inner rear plate and the inner front plate is locked through the butt-joint locking plate, the upper sides of the reverse ends of the inner rear plate and the inner front plate, which are connected, are respectively provided with the large storage tank, the lower sides of the reverse ends of the inner rear plate and the inner front plate, the assembly middle plate is arranged in a penetrating way of the middle parts of the inner rear plate and the inner front plate, one end of the turnover shaft lever is movably fastened with one side of the turnover assembly frame, the other end of the turnover shaft rod penetrates through the middle part of the assembling middle plate and the middle part of the joint of the inner rear plate and the inner front plate and is movably fastened with the other side of the turnover assembling frame, a turnover locking device is arranged between the turnover shaft rod and the assembling middle plate, the middle part of the rear end of the front blackboard is movably fastened with the front end of the assembling middle plate through a blackboard rotating device, the middle part of the front end of the rear blackboard is movably fastened with the rear end of the assembling middle plate through a blackboard rotating device, the front blackboard and the rear blackboard are respectively coated with a protective strip, and the joint of the front blackboard, the rear blackboard and the assembling middle plate is provided with a fixed point locking device;
the turnover clamping and locking device comprises a locking ejector rod, a control inner rod, an unlocking groove, a turnover unlocking ejector rod, a linkage rod, a first limiting plate, a first compression spring, a second limiting plate, a second compression spring, a turnover clamping rod and a turnover clamping groove, wherein the locking ejector rod is arranged in a turnover shaft rod, one end of the control inner rod is fixedly connected with the right end of the locking ejector rod, the other end of the control inner rod penetrates through the turnover shaft rod, the unlocking groove is formed in the locking ejector rod, one end of the turnover unlocking ejector rod is connected with the locking ejector rod, the joint of the turnover unlocking ejector rod and the locking ejector rod is positioned on the right side of the unlocking groove, the other end of the turnover unlocking ejector rod is fixedly connected with one end of the linkage rod, the other end of the linkage rod is fixedly connected with one end of the second limiting plate, the second limiting plate is arranged in the turnover clamping rod, and a second compression spring is arranged between the other end of the second limiting plate and the turnover clamping rod, the turnover clamping rod is fixedly connected with a first limiting plate at the connecting end of the linkage rod, the first limiting plate is arranged in the turnover shaft rod, a first compression spring is arranged between the connecting end of the first limiting plate and the turnover clamping rod and the turnover shaft rod, a turnover clamping groove is arranged at the connecting part of the turnover shaft rod and the assembly middle plate, and the other end of the turnover clamping rod is fastened with the turnover clamping groove.
Furthermore, the unlocking groove, the overturning unlocking ejector rod, the linkage rod, the first limiting plate, the first compression spring, the second limiting plate, the second compression spring, the overturning clamping rod and the overturning clamping groove of the overturning clamping and locking device are all provided with 3, the 3 overturning clamping grooves of the overturning clamping and locking device are all circularly and uniformly arranged at the connecting part of the overturning shaft rod and the assembling middle plate, and the angles of the hole positions of the 3 overturning clamping grooves of the overturning clamping and locking device are different.
Furthermore, the right side of the joint of the turnover unlocking ejector rod and the locking ejector rod is an inclined plane, the unlocking groove is an annular groove, and the right side of the unlocking groove is also an inclined plane.
Furthermore, the horizontal rotating device comprises a horizontal unlocking plate, a horizontal locking plate, a third limiting plate, an assembling clamping plate, a fourth limiting plate and a horizontal movable butt joint rod, the bottom end of the horizontal locking plate is fixedly connected with the horizontal unlocking plate, a fixed point clamping device is arranged between the top end of the horizontal locking plate and the overturning assembly frame, the top end of the horizontal movable butt joint rod is fixedly connected with the middle part of the bottom end of the overturning assembly frame, the bottom end of the horizontal movable butt joint rod is fixedly connected with the third limiting plate, the third limiting plate is arranged in the horizontal locking plate, the fourth limiting plate is movably buckled with the horizontal movable butt joint rod, the top end of the telescopic rod penetrates through the horizontal unlocking plate, the horizontal locking plate, the third limiting plate and the fourth limiting plate to be fixedly connected, and the assembling clamping plate, the horizontal unlocking plate and the horizontal locking plate are movably buckled with the telescopic rod through the assembling clamping plate.
Furthermore, the fixed point locking device comprises a fixed point pushing head, a fixed point clamping rod, a fifth limiting plate, a third compression spring and a fixed point butting rod, one end of the fixed point butting rod is fixedly connected with the horizontal rotating device, the other end of the fixed point butting rod is fixedly connected with the fifth limiting plate, the fifth limiting plate is arranged in the fixed point clamping rod, the third compression spring is arranged between the connecting end of the fixed point clamping rod and the fixed point butting rod and the horizontal rotating device, the other end of the fixed point clamping rod is fixedly connected with the fixed point pushing head, and the fixed point pushing head, the fixed point clamping rod and the turnover assembly frame are movably buckled.
Furthermore, fixed point locking devices are uniformly arranged on the horizontal rotating device and the assembly middle plate in a circular shape.
Further, the blackboard rotating device comprises a blackboard butt joint rod, a sixth limiting plate, a rotating unlocking rod, a fourth compression spring and a rotating locking clamping plate, one end of the blackboard butt joint rod is fixedly connected with the front blackboard or the rear blackboard, the other end of the blackboard butt joint rod is fixedly connected with the sixth limiting plate, the sixth limiting plate is arranged in the assembling middle plate, one end of the rotating locking clamping plate is buckled in the sixth limiting plate, the fourth compression spring is arranged between the other end of the rotating locking clamping plate and the assembling middle plate, the rotating locking clamping plate is connected with the fourth compression spring and is fixedly connected with one end of the rotating unlocking rod, and the other end of the rotating unlocking rod penetrates through the right end of the inner rear plate or the inner front plate.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1) when solving prior art and using, the rotation performance of blackboard is poor, generally only can be used for simple upset and horizontal rotation, influence the suitability of blackboard in different environment, cause inconvenience, through being equipped with horizontal rotating device and upset kayser device, blackboard and inner panel around collocation is through fixed point kayser device and blackboard rotating device assembly, the blackboard can rotate on the inner panel around making equipment, collocation upset and horizontal rotation, can carry out omnidirectional angle modulation and use, and through being equipped with the storage tank on the inner panel, make equipment still can accomodate article's multi-functional use through the blackboard around opening and shutting.
2) For solving prior art when using, the blackboard generally only is simple when needs locking such as rotatory adopt modes such as roof pressure increase friction to lock, thereby lead to the blackboard to incline easily when mobile direction atress, cause inconvenience, all be equipped with fixed point kayser device and the model total kayser device that can lock through the freely movable joint department at equipment, and be equipped with the rotation locking cardboard in blackboard rotating device, make the horizontal rotation of equipment and blackboard rotate and overturn and rotate and all can carry out the locking of multiple spot counter regulation, prevent that equipment atress from inclining behind the regulation direction, convenient to use.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a rotatable small blackboard for preschool education in accordance with the present invention;
FIG. 2 is a schematic front sectional view of the movable blackboard according to the present invention;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of B in FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of C of FIG. 2 according to the present invention;
FIG. 6 is a schematic side sectional view of the movable blackboard according to the present invention;
FIG. 7 is an enlarged view of D of FIG. 6 according to the present invention;
FIG. 8 is an enlarged view of E in FIG. 6 according to the present invention;
FIG. 9 is a schematic front sectional view showing the assembly of the rotating device of the movable blackboard eraser of the present invention;
FIG. 10 is an enlarged view of F of FIG. 9 according to the present invention;
in the figure: a support-1, an expansion link-2, a movable blackboard-3, a horizontal rotating device-a, a fixed point locking device-b, a turning assembly frame-c, a turning shaft rod-d, an inner back plate-e, an assembly middle plate-f, a turning locking device-g, an inner front plate-h, a small storage tank-i, a large storage tank-j, a front blackboard-k, a back blackboard-l, a blackboard rotating device-m, a protective strip-n, a butt joint locking plate-o, a horizontal unlocking plate-a 1, a horizontal locking plate-a 2, a third limiting plate-a 3, an assembly clamping plate-a 4, a fourth limiting plate-a 5, a horizontal movable butt joint rod-a 6, a fixed point top pressure head-b 1, a fixed point clamping rod-b 2, a fifth limiting plate-b 3, a third compression spring-b 4, The blackboard eraser comprises a fixed point butt joint rod-b 5, a blackboard butt joint rod-m 1, a sixth limiting plate-m 2, a rotary unlocking rod-m 3, a fourth compression spring-m 4, a rotary locking clamping plate-m 5, a locking ejector rod-g 1, a control inner rod-g 2, an unlocking groove-g 3, a turnover unlocking ejector rod-g 4, a linkage rod-g 5, a first limiting plate-g 6, a first compression spring-g 7, a second limiting plate-g 8, a second compression spring-g 9, a turnover clamping rod-g 10 and a turnover clamping groove-g 11.
Detailed Description
Referring to fig. 1 to 10, the present invention provides a rotatable small blackboard for preschool education, comprising: the blackboard eraser comprises a support 1, a telescopic rod 2 and a movable blackboard 3, wherein the middle part of the top end of the support 1 is fixedly connected with the bottom end of the telescopic rod 2, and the top end of the telescopic rod 2 is movably buckled with the bottom end of the movable blackboard 3;
the movable blackboard 3 comprises a horizontal rotating device a, a fixed-point clamping and locking device b, a turnover assembly frame c, a turnover shaft rod d, an inner rear plate e, an assembly middle plate f, a turnover clamping and locking device g, an inner front plate h, a small storage tank i, a large storage tank j, a front blackboard k, a rear blackboard l, a blackboard rotating device m, a protective strip n and a butt-joint locking plate o, wherein the middle part of the bottom end of the turnover assembly frame c is movably fastened with the top end of the telescopic rod 2 through the horizontal rotating device a, the fixed-point clamping and locking device b is arranged between the turnover assembly frame c and the horizontal rotating device a, the inner rear plate e is arranged right behind the inner front plate h, the joint of the inner rear plate e and the inner front plate h is locked through the butt-joint locking plate o, the large storage tank j is arranged on the upside of the reverse end where the inner rear plate e and the inner front plate h are connected, the small storage tank i is arranged on the lower side of the reverse end where the inner rear plate e and the inner front plate h are connected, and the assembly middle plate f penetrates through the inner rear plate e, the small storage tank i, The middle part of the inner front plate h, one end of a turnover shaft lever d is movably fastened with one side of a turnover assembly frame c, the other end of the turnover shaft lever d penetrates through the middle part of an assembly middle plate f and the middle part of an inner rear plate e, the middle part of the joint of the inner front plate h is movably fastened with the other side of the turnover assembly frame c, a turnover locking device g is arranged between the turnover shaft lever d and the assembly middle plate f, the middle part of the rear end of a front blackboard k is movably fastened with the front end of the assembly middle plate f through a blackboard rotating device m, the middle part of the front end of a rear blackboard l is movably fastened with the rear end of the assembly middle plate f through a blackboard rotating device m, protective strips n are coated on the front blackboard k and the rear blackboard l, and fixed-point locking devices b are arranged at the joints of the front blackboard k, the rear blackboard l and the assembly middle plate f;
the turnover clamping and locking device g comprises a locking ejector rod g1, a control inner rod g2, an unlocking groove g3, a turnover unlocking ejector rod g4, a linkage rod g5, a first limiting plate g6, a first compression spring g7, a second limiting plate g8, a second compression spring g9, a turnover clamping rod g10 and a turnover clamping groove g11, wherein the locking ejector rod g1 is arranged inside a turnover shaft rod d, one end of the control inner rod g2 is fixedly connected with the right end of the locking ejector rod g1, the other end of the control inner rod g2 penetrates through the turnover shaft rod d, the locking ejector rod g1 is provided with the unlocking groove g3, one end of the turnover unlocking ejector rod g4 is connected with the locking ejector rod g1, the joint of the turnover unlocking ejector rod g4 and the locking ejector rod g1 is positioned on the right side of the unlocking groove g3, the other end of the turnover unlocking ejector rod g4 is fixedly connected with one end of the linkage rod g5, the other end of the linkage rod g5 is fixedly connected with one end of the second limiting plate g8, and the second limiting plate g8 g10 is arranged inside the turnover clamping rod g10, a second compression spring g9 is arranged between the other end of the second limiting plate g8 and the turning clamping rod g10, a first limiting plate g6 is fixedly connected to the connecting end of the turning clamping rod g10 and the linkage rod g5, the first limiting plate g6 is arranged in the turning shaft rod d, a first compression spring g7 is arranged between the connecting end of the first limiting plate g6 and the turning clamping rod g10 and the turning shaft rod d, a turning clamping groove g11 is arranged at the connecting position of the turning shaft rod d and the assembling middle plate f, and the other end of the turning clamping rod g10 is fastened with the turning clamping groove g 11.
The turnover clamping and locking device comprises a turnover clamping and locking device g, an unlocking groove g3, a turnover unlocking ejector rod g4, a linkage rod g5, a first limiting plate g6, a first compression spring g7, a second limiting plate g8, a second compression spring g9, a turnover clamping rod g10 and a turnover clamping groove g11, wherein the number of the 3 turnover clamping grooves g11 of the turnover clamping and locking device g is 3, the 3 turnover clamping grooves g11 are uniformly arranged at the joint of a turnover shaft rod d and an assembly middle plate f in a circular shape, and the hole site angles of the 3 turnover clamping grooves g11 of the turnover clamping and locking device g are different.
The right side of the joint of the turnover unlocking ejector rod g4 and the locking ejector rod g1 is an inclined plane, the unlocking groove g3 is a circular groove, and the right side of the unlocking groove g3 is also an inclined plane.
Wherein, the horizontal rotating device a comprises a horizontal unlocking plate a1, a horizontal locking plate a2, a third limiting plate a3, a mounting clamping plate a4, a fourth limiting plate a5 and a horizontal movable butt joint rod a6, the bottom end of the horizontal locking plate a2 is fixedly connected with the horizontal unlocking plate a1, a fixed point locking device b is arranged between the top end of the horizontal locking plate a2 and the overturning mounting frame c, the top end of the horizontal movable butt joint rod a6 is fixedly connected with the middle part of the bottom end of the overturning mounting frame c, the bottom end of the horizontal movable butt joint rod a6 is fixedly connected with a third limiting plate a3, the third limiting plate a3 is arranged in the horizontal locking plate a2, the fourth limiting plate a5 is movably buckled with the horizontal movable butt joint rod a6, the top end of the telescopic rod 2 penetrates through the horizontal unlocking plate a1, the horizontal locking plate a2, the third limiting plate a3 and the fourth limiting plate a5, the horizontal mounting clamping plate a1 is fixedly connected with the horizontal unlocking plate a4, The horizontal locking plate a2 is movably buckled with the telescopic rod 2 through a mounting clamping plate a 4.
The fixed point clamping device b comprises a fixed point pushing head b1, a fixed point clamping rod b2, a fifth limiting plate b3, a third compression spring b4 and a fixed point abutting rod b5, one end of the fixed point abutting rod b5 is fixedly connected with the horizontal rotating device a, the other end of the fixed point abutting rod b5 is fixedly connected with the fifth limiting plate b3, the fifth limiting plate b3 is arranged in the fixed point clamping rod b2, the third compression spring b4 is arranged between the connecting end of the fixed point clamping rod b2 and the fixed point abutting rod b5 and the horizontal rotating device a, the other end of the fixed point clamping rod b2 is fixedly connected with the fixed point pushing head b1, and the fixed point pushing head b1 and the fixed point abutting rod b2 are movably buckled with the overturning assembly frame c.
And fixed point locking devices b are uniformly arranged on the horizontal rotating device a and the assembling middle plate f in a circular manner.
The blackboard rotating device m comprises a blackboard butt joint rod m1, a sixth limiting plate m2, a rotating unlocking rod m3, a fourth compression spring m4 and a rotating locking clamping plate m5, one end of the blackboard butt joint rod m1 is fixedly connected with a front blackboard k or a rear blackboard l, the other end of the blackboard butt joint rod m1 is fixedly connected with the sixth limiting plate m2, the sixth limiting plate m2 is arranged in an assembly middle plate f, one end of the rotating locking clamping plate m5 is buckled in the assembly limiting plate m2, the fourth compression spring m4 is arranged between the other end of the rotating locking clamping plate m5 and the assembly middle plate f, the connecting end of the rotating locking clamping plate m5 and the fourth compression spring m4 is fixedly connected with one end of the rotating unlocking rod m3, and the other end of the rotating unlocking rod m3 penetrates through the right end of the inner rear plate e or the inner front plate h.
The working principle is as follows: when the horizontal rotation of the equipment is needed, the horizontal unlocking plate of the horizontal rotating device needs to be pressed downwards, the horizontal unlocking plate can drive the horizontal locking plate to descend, so that the fixed point butt joint rod connected with the horizontal locking plate can drive the fixed point clamping rod to descend and separate from the turnover assembly frame, the equipment is horizontally unlocked, when the horizontal rotation is carried out, the turnover assembly frame can press the fixed point top pressing head to drive the fixed point clamping rod to descend for a certain distance when the turnover assembly frame is separated from a fixed point locking slotted hole, and after the turnover assembly frame enters a new fixed point locking hole, the third compression spring can press the fixed point clamping rod and the fixed point top pressing head to return, so that the equipment can judge the positioning locking through the rotating touch feeling and the back-pressing collision sound when the horizontal rotation is carried out, the excessive rotating adjustment can be better prevented, and when the equipment is turned and adjusted, the control inner rod can drive the locking ejector rod to move rightwards, thereby enabling the turnover locking ejector rod to enter the unlocking groove under the jacking pressure of the first compression spring, even if the turnover clamping rod connected with the turnover unlocking ejector rod can be separated from the assembly middle plate, the locking ejector rod can not be locked with the assembly middle plate, the equipment can be used for overturning the front blackboard and the rear blackboard and the front inner plate and the rear inner plate integrally, and the equipment can be adjusted in more turnover angles through the design of a plurality of groups of unlocking grooves, turnover locking ejector rods and the like, when the turnover locking is carried out, the turnover clamping rod which does not reach the angle and enters the locking groove of the assembly middle plate can be jacked to the second compression spring to be retracted, and when the equipment needs to carry out the angle adjustment of the front blackboard and the rear inner plate, the rotation unlocking rod can be pulled to drive the rotation locking clamping plate to be separated from the assembly groove of the sixth limiting plate, so that the corresponding front blackboard and rear blackboards can be correspondingly pulled forward or backward for a certain distance, and the front and rear blackboards can be unlocked with the locking device locked by the assembly middle plate, the blackboard can carry out and the rotation between the inner panel around making, collocation upset and horizontal rotation, can carry out the use of omnidirectional angle modulation, and through being equipped with the storage tank on the inner panel, make equipment still can accomodate the multi-functional use of article through the blackboard around opening and shutting, all be equipped with fixed point kayser and the total kayser device of model that can lock through the freely movable joint department at equipment, and be equipped with the rotation locking cardboard in blackboard rotating device, the horizontal rotation that makes equipment rotates and the blackboard rotates and the upset rotates all can carry out the multiple spot counter regulation locking, prevent that equipment from inclining by the atress behind the direction of regulation, convenient to use.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a rotatable preschool education is with small-size blackboard, its structure includes support (1), telescopic link (2), activity blackboard (3), support (1) top middle part and telescopic link (2) bottom fixed connection, telescopic link (2) top and activity blackboard (3) bottom activity lock joint, its characterized in that:
the movable blackboard (3) comprises a horizontal rotating device (a), a fixed-point clamping and locking device (b), a turnover assembly frame (c), a turnover shaft rod (d), an inner rear plate (e), an assembly middle plate (f), a turnover clamping and locking device (g), an inner front plate (h), a small storage tank (i), a large storage tank (j), a front blackboard (k), a rear blackboard (l), a blackboard rotating device (m), a protective strip (n) and a butt joint locking plate (o), wherein the middle part of the bottom end of the turnover assembly frame (c) is movably buckled with the top end of a telescopic rod (2) through the horizontal rotating device (a), the fixed-point clamping and locking device (b) is arranged between the turnover assembly frame (c) and the horizontal rotating device (a), the inner rear plate (e) is arranged right behind the inner front plate (h), the joint of the inner rear plate (e) and the inner front plate (h) is locked and connected through the butt joint locking plate (o), and the inner rear plate (e, The upper side of the reverse end connected with the inner front plate (h) is provided with a large storage tank (j), the lower side of the reverse end connected with the inner rear plate (e) and the inner front plate (h) is provided with a small storage tank (i), the assembling middle plate (f) penetrates through the middle parts of the inner rear plate (e) and the inner front plate (h), one end of the turning shaft lever (d) is movably fastened with one side of the turning assembly frame (c), the other end of the turning shaft lever (d) penetrates through the middle parts of the assembling middle plate (f) and the inner rear plate (e), the middle part of the rear end of the front plate (k) is movably fastened with the front end of the assembling middle plate (f) through a blackboard rotating device (m), the middle part of the front end of the rear blackboard (l) is movably fastened with the rear end of the assembling middle plate (f) through a blackboard rotating device (m), the front blackboard (k) and the rear blackboard (l) are respectively coated with a protective strip (n), and the joints of the front blackboard (k) and the rear blackboard (l) and the assembly middle plate (f) are provided with fixed point locking devices (b);
the turnover clamping and locking device (g) comprises a locking ejector rod (g 1), a control inner rod (g 2), an unlocking groove (g 3), a turnover unlocking ejector rod (g 4), a linkage rod (g 5), a first limiting plate (g 6), a first compression spring (g 7), a second limiting plate (g 8), a second compression spring (g 9), a turnover clamping rod (g 10) and a turnover clamping groove (g 11), wherein the locking ejector rod (g 1) is arranged inside a turnover shaft rod (d), one end of the control inner rod (g 2) is fixedly connected with the right end of the locking ejector rod (g 1), the other end of the control inner rod (g 2) penetrates through the turnover shaft rod (d), the unlocking groove (g 3) is arranged on the locking ejector rod (g 1), one end of the turnover unlocking ejector rod (g 4) is connected with the locking ejector rod (g 1), the joint of the turnover unlocking ejector rod (g 4) and the locking ejector rod (g 1) is positioned at the right side of the unlocking groove (g 56), and the other end of the turnover ejector rod (g 828653) is fixedly connected with the linkage rod (g 4, the other end of the linkage rod (g 5) is fixedly connected with one end of a second limiting plate (g 8), the second limiting plate (g 8) is arranged in a turnover clamping rod (g 10), a second compression spring (g 9) is arranged between the other end of the second limiting plate (g 8) and the turnover clamping rod (g 10), a first limiting plate (g 6) is fixedly connected with the connection end of the turnover clamping rod (g 10) and the linkage rod (g 5), the first limiting plate (g 6) is arranged in a turnover shaft lever (d), a first compression spring (g 7) is arranged between the connection end of the first limiting plate (g 6) and the turnover clamping rod (g 10) and the turnover shaft lever (d), a turnover clamping groove (g 11) is arranged at the connection position of the turnover shaft lever (d) and the assembling middle plate (f), and the other end of the turnover clamping rod (g 10) is fastened with the turnover clamping groove (g 11).
2. A rotatable small blackboard for preschool education as claimed in claim 1, wherein: the unlocking groove (g 3), the upset unblock ejector pin (g 4), gangbar (g 5), first limiting plate (g 6), first compression spring (g 7), second limiting plate (g 8), second compression spring (g 9), upset kelly (g 10), upset draw-in groove (g 11) of upset kayser device (g) all are equipped with 3, 3 upset draw-in grooves (g 11) of upset kayser device (g) all become circular evenly to be located upset axostylus axostyle (d) and assembly medium plate (f) department of meeting, 3 upset draw-in grooves (g 11) the different hole sites of upset kayser device (g) angle.
3. A rotatable small blackboard for preschool education as claimed in claim 1, wherein: the right side of the joint of the turnover unlocking ejector rod (g 4) and the locking ejector rod (g 1) is an inclined plane, the unlocking groove (g 3) is a circular groove, and the right side of the unlocking groove (g 3) is also an inclined plane.
4. A rotatable small blackboard for preschool education as claimed in claim 1, wherein: the horizontal rotating device (a) comprises a horizontal unlocking plate (a 1), a horizontal locking plate (a 2), a third limiting plate (a 3), an assembling clamping plate (a 4), a fourth limiting plate (a 5) and a horizontal movable abutting rod (a 6), the bottom end of the horizontal locking plate (a 2) is fixedly connected with the horizontal unlocking plate (a 1), a fixed point locking device (b) is arranged between the top end of the horizontal locking plate (a 2) and a turnover assembling frame (c), the top end of the horizontal movable abutting rod (a 6) is fixedly connected with the middle of the bottom end of the turnover assembling frame (c), the bottom end of the horizontal movable abutting rod (a 6) is fixedly connected with the third limiting plate (a 3), the third limiting plate (a 3) is arranged in the horizontal locking plate (a 2), the fourth limiting plate (a 5) is movably buckled with the horizontal movable abutting rod (a 6), and the top end of the telescopic rod (2) penetrates through the horizontal unlocking plate (a 1), The horizontal locking plate (a 2), the third limiting plate (a 3) and the fourth limiting plate (a 5) are fixedly connected, and the assembly clamping plate (a 4), the horizontal unlocking plate (a 1) and the horizontal locking plate (a 2) are movably buckled with the telescopic rod (2) through the assembly clamping plate (a 4).
5. A rotatable small blackboard for preschool education as claimed in claim 1, wherein: the fixed point clamping and locking device (b) comprises a fixed point pushing and pressing head (b 1), a fixed point clamping rod (b 2), a fifth limiting plate (b 3), a third compression spring (b 4) and a fixed point abutting rod (b 5), one end of the fixed point abutting rod (b 5) is fixedly connected with the horizontal rotating device (a), the other end of the fixed point abutting rod (b 5) is fixedly connected with the fifth limiting plate (b 3), the fifth limiting plate (b 3) is arranged in the fixed point clamping rod (b 2), the third compression spring (b 4) is arranged between the abutting end of the fixed point clamping rod (b 2) and the fixed point abutting rod (b 5) and the horizontal rotating device (a), the other end of the fixed point clamping rod (b 2) is fixedly connected with the fixed point pushing and pressing head (b 1), and the fixed point pushing and pressing head (b 1) and the fixed point clamping rod (b 2) are movably fastened with the turnover assembly frame (c).
6. A rotatable small blackboard for preschool education as claimed in claim 1 or 5, wherein: fixed point kayser device (b) assemble in preceding blackboard (k), back blackboard (l) and assembly middle plate (f) junction during, fixed point butt joint pole (b 5) one end and assembly middle plate (f) fixed connection, fixed point top pressure head (b 1), fixed point kelly (b 2) and preceding blackboard (k) or back blackboard (l) activity lock joint.
7. A rotatable small blackboard for preschool education as claimed in claim 1, wherein: and the horizontal rotating device (a) and the assembling middle plate (f) are both circularly and uniformly provided with fixed-point locking devices (b).
8. A rotatable small blackboard for preschool education as claimed in claim 1, wherein: the blackboard rotating device (m) comprises a blackboard butt joint rod (m 1), a sixth limiting plate (m 2), a rotating unlocking rod (m 3), a fourth compression spring (m 4) and a rotating locking clamping plate (m 5), one end of the blackboard butt-joint rod (m 1) is fixedly connected with the front blackboard (k) or the rear blackboard (l), the other end of the blackboard butt joint rod (m 1) is fixedly connected with a sixth limiting plate (m 2), the sixth limiting plate (m 2) is arranged in the middle assembling plate (f), one end of the rotation locking clamping plate (m 5) is buckled in the middle assembling plate (m 2), a fourth compression spring (m 4) is arranged between the other end of the rotating locking catch plate (m 5) and the middle assembly plate (f), the connecting end of the rotary locking snap-gauge (m 5) and the fourth compression spring (m 4) is fixedly connected with one end of the rotary unlocking rod (m 3), the other end of the rotation unlocking rod (m 3) penetrates through the right end of the inner rear plate (e) or the inner front plate (h).
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| CN202110660001.9A CN113334971B (en) | 2021-06-15 | 2021-06-15 | Rotatable preschool education is with small-size blackboard |
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| CN202110660001.9A CN113334971B (en) | 2021-06-15 | 2021-06-15 | Rotatable preschool education is with small-size blackboard |
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|---|---|
| CN113334971B (en) | 2022-04-29 |
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