CN108813935B - Teacher uses lectern - Google Patents
Teacher uses lectern Download PDFInfo
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- CN108813935B CN108813935B CN201810642293.1A CN201810642293A CN108813935B CN 108813935 B CN108813935 B CN 108813935B CN 201810642293 A CN201810642293 A CN 201810642293A CN 108813935 B CN108813935 B CN 108813935B
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- arc
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- shaped
- support rod
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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
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/06—Reading-desks; Lecterns; Pulpits, i.e. free-standing with adjustable top leaf
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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
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/10—Reading-desks; Lecterns; Pulpits, i.e. free-standing characterised by association with auxiliary devices, e.g. paper clamps, line indicators
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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
- A47B83/00—Combinations comprising two or more pieces of furniture of different kinds
- A47B83/02—Tables combined with seats
- A47B83/021—Tables combined with seats with seats stowable beneath table top
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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
- A47B97/02—Devices for holding or supporting maps, drawings, or the like, including means for preventing rolling-up
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Abstract
The invention relates to a teacher desk, in particular to a teacher desk for teachers, which not only can support a hanging picture, but also can adjust the position of the hanging picture forwards and backwards, so that the problem that students in the back row cannot see clearly due to small writing on the hanging picture is avoided, and a seat device is further arranged, so that the teachers can have a rest in class conveniently. One end of the spring I is fixedly arranged in the base through welding, and the other end of the spring I is fixedly connected to a storage groove in the storage device through welding; the inserting block on the storage device is in clearance fit with the hole on the arc-shaped plate II; the support rod II on the seat device is movably connected to the side face of the disc on the control device through a hinge; a support rod III on the seat device is fixedly connected to the side surface of a disc on the control device through welding; the support rod II is movably connected to the side face of the disc through a hinge, and the support rod III is located at the upper end of the support rod II; the seat plate on the seat device is in clearance fit with the arc-shaped groove II on the arc-shaped plate II.
Description
Technical Field
The invention relates to a teacher desk, in particular to a teacher desk for teachers.
Background
In some remote areas, multimedia cannot be equipped in classrooms, so that some courses such as geography need to be explained by hanging images on a blackboard in the classrooms for matching, but because the sizes of characters on the images are fixed, students sitting in the back row may not see characters on the images; the teacher needs to move the chair to rest in class, and if the chair is not provided, the teacher can only move the chair from other places, which is very troublesome, so the teacher desk is designed.
Disclosure of Invention
The teacher uses the teacher's desk, the beneficial effects are that not only can support the wall map, but also can adjust the position of the wall map forward and backward, avoid the back row students from being blindly seen due to the smaller writing on the wall map, and the teacher can have a rest in class conveniently because of the seat device.
In order to solve the technical problems, the invention relates to a teacher desk, in particular to a teacher desk for a teacher, which comprises a desk plate, a base, a spring I, a seat device, a control device and a storage device, wherein the desk plate can support a hanging picture, the position of the hanging picture can be adjusted forwards and backwards, the situation that students in the back row cannot see clearly due to small writing on the hanging picture is avoided, and the seat device is further arranged, so that the teacher can have a rest in class conveniently.
The table plate comprises a table plate main body, a sliding groove I, a sliding groove II, a supporting device and a cover plate; the right end of the table plate main body is provided with a sliding chute II; the sliding groove I is arranged on the table board main body and is communicated with the sliding groove II, the sliding groove II is positioned at the upper end of the sliding groove I, and the sliding groove I is a T-shaped sliding groove; the supporting device is arranged in the sliding groove I and the sliding groove II; the cover plate is movably connected to the table plate main body through a hinge and is in interference fit with the sliding groove II;
the supporting device is composed of a screw rod, a supporting rod, a round rod, a supporting plate, a groove I, a groove II, a ring I and a ring II; a groove II is formed in the upper end of the left side of the supporting plate; the groove I is arranged on the supporting plate and communicated with the groove II; the right end of the screw rod is movably connected to the supporting plate through a hinge, and the screw rod is in clearance fit with the groove II; the circular ring II is matched with the screw rod through threads; the ring I is sleeved at the outer end of the ring II, and the ring I is in clearance fit with the ring II; the two supporting rods are arranged, and the upper ends of the two supporting rods are movably connected to the lower end of the circular ring I through hinges; the round rod is fixedly connected to the lower end of the supporting rod through welding; the round rod is in clearance fit with the sliding groove I; the support rod is in interference fit with the sliding groove II;
the base is composed of a base main body and a slideway; the base body is provided with a slide way;
the seat device consists of a seat plate, a hinge with a special angle, a support rod I, an insertion hole, a hook, a support rod II, a support rod III and a fixing device; the right end of the supporting rod I is movably connected with a seat plate through a hinge with a special angle, and the left end of the supporting rod I is movably connected with a supporting rod II through a hinge; the jack is arranged on the support rod I; the hook is connected to the lower end of the support rod II through welding, and the hook is in interference fit with the jack; the fixing device is fixedly arranged on the supporting rod III through welding;
the fixing device is composed of an arc-shaped plate I, an arc-shaped groove I, a spring II, an arc-shaped sliding block, an inclined plane and a push block; arc-shaped grooves I are formed in the inner parts of the two ends of the arc-shaped plate I; the arc-shaped sliding block is in clearance fit with the arc-shaped groove I; one end of the spring II is fixedly arranged in the arc-shaped groove I, and the other end of the spring II is fixedly arranged on the arc-shaped sliding block; the inclined plane is arranged at the outer end of the arc-shaped sliding block; the push block is fixedly connected to the arc-shaped slide block through welding; the support rod II is in clearance fit with the fixing device;
the control device consists of a rotating shaft, a disc, a support rod IV and an arc-shaped plate II; the rotating shaft is connected with a disc through a bearing; the lower end of the arc-shaped plate II is fixedly connected with a support rod IV through welding;
the arc plate II consists of an arc plate II main body, an arc groove II, a notch and a hole; the main body of the arc plate II is provided with a notch; the arc-shaped groove II is arranged on the inner side of the arc-shaped plate II main body and is communicated with the opening; the hole is formed in the arc-shaped plate II main body, one end of the hole penetrates through the arc-shaped plate II main body, and the other end of the hole is communicated with the arc-shaped groove II;
the storage device consists of a storage groove, a connecting rod, a vertical rod, a groove, a spring III and an insertion block; the inner side of the storage groove is fixedly connected with a connecting rod through welding; the connecting rod is fixedly connected with a vertical rod through welding; the groove-4 is arranged at the upper end of the vertical rod; the insert block is in clearance fit with the groove; one end of the spring III is fixedly connected in the groove, and the other end of the spring III is fixedly connected to the insert block;
the table plate main body on the table plate is fixedly connected to the upper end of the base main body on the base through a bolt; the storage groove on the storage device is in clearance fit with the slideway on the base; the lower end of a rotating shaft on the control device is arranged on the bottom surface of a base main body on the base, and the upper end of the rotating shaft is arranged at the lower end of a table board main body on the table board; the lower end of a support rod IV on the control device is fixedly connected to the upper end of a base main body on the base through welding; one end of the spring I is fixedly arranged in the base through welding, and the other end of the spring I is fixedly connected to a storage groove in the storage device through welding; the inserting block on the storage device is in clearance fit with the hole on the arc-shaped plate II; the support rod II on the seat device is movably connected to the side face of the disc on the control device through a hinge; a support rod III on the seat device is fixedly connected to the side surface of a disc on the control device through welding; the support rod II is movably connected to the side face of the disc through a hinge, and the support rod III is located at the upper end of the support rod II; the seat plate on the seat device is in clearance fit with the arc-shaped groove II on the arc-shaped plate II.
As a further optimization of the technical scheme, when the disk of the teacher desk for teachers rotates, the seat device rotates along with the disk.
As a further optimization of the technical scheme, after the insertion block is matched with the hole on the teacher desk, the insertion block is exposed out of the outer end of the hole.
As a further optimization of the technical scheme, when the seat plate slides in the arc-shaped groove II to be in contact with the insertion block, the seat plate pushes out the insertion block.
As further optimization of the technical scheme, the arc-shaped plate II of the teacher desk is made of stainless steel.
As a further optimization of the technical scheme, the movable angle of the special-angle hinge of the teacher desk is 50 degrees.
As a further optimization of the technical scheme, the support rod II is matched with the fixing device, and when the hook is matched with the insertion hole, the support rod II and the support rod I are on the same straight line.
The teacher desk has the beneficial effects that:
the teacher uses the teacher's desk, not only can support the wall map, but also can adjust the position of the wall map forwards and backwards, so that the problem that students in the back row cannot see clearly due to small writing on the wall map is avoided, and the teacher can have a rest in class conveniently due to the seat device.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a teacher desk according to the present invention.
Fig. 2 is a schematic top view of a teacher desk according to the present invention.
Fig. 3 is a schematic structural view of a teacher desk of the present invention.
Fig. 4 is a schematic structural view of a teacher desk support device according to the present invention.
Fig. 5 is a schematic structural view of a teacher desk base according to the present invention.
Fig. 6 is a schematic structural view of a teacher desk seat apparatus according to the present invention.
Fig. 7 is a schematic structural view of a teacher desk fixing device according to the present invention.
Fig. 8 is a schematic structural view of a teacher desk control device according to the present invention.
FIG. 9 is a schematic structural view of a teacher desk arc plate II according to the present invention.
Fig. 10 is a schematic structural view of a teacher desk storage device according to the present invention.
In the figure: a table board 1; a table body 1-1; a chute I1-2; a chute II 1-3; support means 1-4; 1-4-1 of a screw; 1-4-2 of a strut; 1-4-3 of a round rod; 1-4-4 of a support plate; 1-4-5 parts of a groove I; 1-4-6 of a groove II; 1-4-7 parts of a circular ring; 1-4-8 parts of a circular ring II; 1-5 of a cover plate; a base 2; a base body 2-1; 2-2 of a slideway; a spring I3; a seat device 4; seat plates 4-1; a special angle hinge 4-2; 4-3 of a support rod; 4-4 of jacks; 4-5 of a hook; 4-6 of a support rod II; 4-7 of a support rod III; 4-8 of a fixing device; 4-8-1 of an arc-shaped plate; 4-8-2 parts of an arc-shaped groove; 4-8-3 of a spring II; 4-8-4 parts of an arc-shaped sliding block; 4-8-5 of an inclined plane; 4-8-6 parts of a push block; a control device 5; a rotating shaft 5-1; 5-2 of a disc; 5-3 parts of a support rod IV; 5-4 of an arc plate II; 5-4-1 of a main body of the arc plate II; 5-4-2 of an arc-shaped groove; 5-4-3 of a gap; 5-4-4 of holes; a storage device 6; a storage groove 6-1; a connecting rod 6-2; 6-3 parts of a vertical rod; 6-4 of groove; 6-5 of a spring III; and 6-6 of an insert block.
Detailed Description
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, and the invention relates to a lectern, in particular to a lecture desk for teachers, which comprises a base 1, a control box 2, a control chip 3, an electromagnetic valve 4, a battery 5, an underframe 6, a fixed rib plate 7, a motor 8, a rotating shaft 9, a ball 10, a groove 11, a hydraulic cylinder I12, a fixed plate 13, a hinge I14, a hydraulic cylinder II 15, a hinge II 16, a projector 17, a blackboard 18, a transparent bar 19, a connecting piece I20 and a connecting piece II 21, wherein the positions of the wall maps can be supported and adjusted back and forth, so that the situation that students in the back row cannot see clearly due to small handwriting on the wall maps is avoided, and a seat device is further arranged, so that teachers can have a rest in the study.
The table plate 1 is composed of a table plate main body 1-1, a sliding groove I1-2, a sliding groove II 1-3, a supporting device 1-4 and a cover plate 1-5; the right end of the table board main body 1-1 is provided with a sliding chute II 1-3; the sliding chute I1-2 is arranged on the table board main body 1-1, the sliding chute I1-2 is communicated with the sliding chute II 1-3, the sliding chute II 1-3 is located at the upper end of the sliding chute I1-2, and the sliding chute I1-2 is a T-shaped sliding chute; the supporting device 1-4 is arranged in the sliding chute I1-2 and the sliding chute II 1-3; the cover plate 1-5 is movably connected to the table plate main body 1-1 through a hinge, and the cover plate 1-5 is in interference fit with the sliding groove II 1-3;
the supporting device 1-4 is composed of a screw rod 1-4-1, a supporting rod 1-4-2, a round rod 1-4-3, a supporting plate 1-4-4, a groove I1-4-5, a groove II 1-4-6, a ring I1-4-7 and a ring II 1-4-8; the upper end of the left side of the supporting plate 1-4-4 is provided with a groove II 1-4-6; the grooves I1-4-5 are formed in the supporting plates 1-4-4, and the grooves I1-4-5 are communicated with the grooves II 1-4-6; the right end of the screw rod 1-4-1 is movably connected to the supporting plate 1-4-4 through a hinge, and the screw rod 1-4-1 is in clearance fit with the groove II 1-4-6; the circular ring II 1-4-8 is matched with the screw rod 1-4-1 through threads; the circular ring I1-4-7 is sleeved at the outer end of the circular ring II 1-4-8, and the circular ring I1-4-7 is in clearance fit with the circular ring II 1-4-8; the two support rods 1-4-2 are arranged, and the upper ends of the two support rods 1-4-2 are movably connected to the lower end of the circular ring I1-4-7 through hinges; the round rod 1-4-3 is fixedly connected to the lower end of the supporting rod 1-4-2 through welding; the round rod 1-4-3 is in clearance fit with the sliding groove I1-2; the supporting rod 1-4-2 is in interference fit with the sliding groove II 1-3;
the base 2 consists of a base main body 2-1 and a slide way 2-2; the base main body 2-1 is provided with a slide way 2-2;
the seat device 4 is composed of a seat plate 4-1, a special angle hinge 4-2, a support rod I4-3, an insertion hole 4-4, a hook 4-5, a support rod II 4-6, a support rod III 4-7 and a fixing device 4-8; the right end of the supporting rod I4-3 is movably connected with a seat plate 4-1 through a special angle hinge 4-2, and the left end of the supporting rod I4-3 is movably connected with a supporting rod II 4-6 through a hinge; the jack 4-4 is arranged on the support rod I4-3; the hook 4-5 is connected to the lower end of the support rod II 4-6 through welding, and the hook 4-5 is in interference fit with the jack 4-4; the fixing device 4-8 is fixedly arranged on the supporting rod III 4-7 through welding;
the fixing device 4-8 is composed of an arc-shaped plate I4-8-1, an arc-shaped groove I4-8-2, a spring II 4-8-3, an arc-shaped sliding block 4-8-4, an inclined plane 4-8-5 and a push block 4-8-6; arc-shaped grooves I4-8-2 are formed in the inner parts of the two ends of the arc-shaped plate I4-8-1; the arc-shaped sliding block 4-8-4 is in clearance fit with the arc-shaped groove I4-8-2; one end of the spring II 4-8-3 is fixedly arranged in the arc-shaped groove I4-8-2, and the other end of the spring II 4-8-3 is fixedly arranged on the arc-shaped sliding block 4-8-4; the inclined plane 4-8-5 is arranged at the outer end of the arc-shaped sliding block 4-8-4; the push block 4-8-6 is fixedly connected to the arc-shaped slide block 4-8-4 through welding; the support rods II 4-6 are in clearance fit with the fixing devices 4-8;
the control device 5 consists of a rotating shaft 5-1, a disc 5-2, a support rod IV 5-3 and an arc-shaped plate II 5-4; the rotating shaft 5-1 is connected with a disc 5-2 through a bearing; the lower end of the arc-shaped plate II 5-4 is fixedly connected with a support rod IV 5-3 through welding;
the arc-shaped plate II 5-4 consists of an arc-shaped plate II main body 5-4-1, an arc-shaped groove II 5-4-2, a notch 5-4-3 and a hole 5-4-4; the main body 5-4-1 of the arc plate II is provided with a notch 5-4-3; the arc-shaped groove II 5-4-2 is arranged on the inner side of the arc-shaped plate II main body 5-4-1, and the arc-shaped groove II 5-4-2 is communicated with the notch 5-4-3; the hole 5-4-4 is arranged on the arc-shaped plate II main body 5-4-1, one end of the hole 5-4-4 penetrates through the arc-shaped plate II main body 5-4-1, and the other end of the hole 5-4-4 is communicated with the arc-shaped groove II 5-4-2;
the storage device 6 consists of a storage groove 6-1, a connecting rod 6-2, a vertical rod 6-3, a groove 6-4, a spring III 6-5 and an insertion block 6-6; the inner side of the storage groove 6-1 is fixedly connected with a connecting rod 6-2 through welding; the connecting rod 6-2 is fixedly connected with a vertical rod 6-3 through welding; the groove 6-4 is arranged at the upper end of the vertical rod 6-3; the insertion block 6-6 is in clearance fit with the groove 6-4; one end of the spring III 6-5 is fixedly connected in the groove 6-4, and the other end of the spring III 6-5 is fixedly connected on the inserting block 6-6;
the table plate main body 1-1 on the table plate 1 is fixedly connected to the upper end of the base main body 2-1 on the base 2 through bolts; the storage groove 6-1 on the storage device 6 is in clearance fit with the slideway 2-2 on the base 2; the lower end of a rotating shaft 5-1 on the control device 5 is arranged on the bottom surface of a base main body 2-1 on the base 2, and the upper end of the rotating shaft 5-1 is arranged at the lower end of a table board main body 1-1 on the table board 1; the lower end of a support rod IV 5-3 on the control device 5 is fixedly connected with the upper end of a base main body 2-1 on the base 2 through welding; one end of the spring I3 is fixedly arranged in the base 2 through welding, and the other end of the spring I3 is fixedly connected to a storage groove 6-1 on the storage device 6 through welding; the inserting block 6-6 on the storage device 6 is in clearance fit with the hole 5-4-4 on the arc-shaped plate II 5-4; a support rod II 4-6 on the seat device 4 is movably connected to the side surface of the disc 5-2 on the control device 5 through a hinge; a support rod III 4-7 on the seat device 4 is fixedly connected to the side surface of a disc 5-2 on the control device 5 through welding; the support rod II 4-6 is movably connected to the side face of the disc 5-2 through a hinge, and the support rod III 4-7 is positioned at the upper end of the support rod II 4-6; the seat plate 4-1 on the seat device 4 is in clearance fit with the arc-shaped groove II 5-4-2 on the arc-shaped plate II 5-4. When the teacher's desk is used for hanging a hanging picture, the cover plate 1-5 is opened, then the support plate 1-4-4 is moved upwards, the support plate 1-4-4 drives the screw rod 1-4-1 to further drive the circular ring I1-4-7 and the circular ring II 1-4-8 to move upwards, the circular ring I1-4-7 drives the two support rods 1-4-2 to move, the support rods 1-4-2 drive the circular rods 1-4-3 to slide in the sliding grooves I1-2, when the support rods 1-4-2 are vertical to the desk main body 1-1, the hands are released, so that the support plate 1-4-4 rotates around a hinge at the joint of the screw rod 1-4-1 and the support plate 1-4-4 under the action of gravity, the support plate 1-4-4 is vertical to the screw rod 1-4-1, then hanging the hanging chart on a support plate 1-4-4, when the position of the support plate 1-4-4 needs to be adjusted, pressing the support plate 1-4-4 by hand, then rotating a ring II 1-4-8, wherein the ring II 1-4-8 drives a screw rod 1-4-1 through threads and drives the screw rod 1-4-1 to move, and the screw rod 1-4-1 drives the support plate 1-4-4 to move, so that the position adjustment of the support plate 1-4-4 is completed, and the remote students can conveniently watch the hanging chart; when a teacher needs to have a seat rest in a self-study class, the disc 5-2 is rotated, the disc 5-2 drives the seat device 4 to rotate, when the seat plate 4-1 on the seat device 4 moves to the position of the notch 5-4-3 on the arc-shaped plate II 5-4, the seat plate 4-1 is separated from the arc-shaped groove II 5-4-2, then the support rod II 4-6 and the support rod I4-3 are rotated, the support rod I4-3 and the support rod II 4-6 are on the same support, the hook 4-5 is inserted into the insertion hole 4-4, then the hook 4-5 rotates around a hinge at the joint of the support rod II 4-6 and the disc 5-2, the support rod II 4-6 moves to the lower end of the fixing device 4-8 and continues to move upwards, and the support rod II 4-6 drives the arc-shaped sliding block 4-8-4 to move along the arc-shaped groove I4 through 8-2, moving the support rod II 4-6 to the inner side of the arc-shaped plate I4-8-1, then moving the arc-shaped sliding block 4-8-4 back to the original position under the action of the spring II 4-8-3, clamping the support rod II 4-6 between the arc-shaped plate I4-8-1 and the arc-shaped sliding block 4-8-4, driving the support rod I4-3 by the support rod II 4-6 to further support the seat plate 4-1, and enabling the teacher to sit on the seat plate 4-1; when the storage device 6 is used, the disc 5-2 is rotated, the disc 5-2 drives the seat plate 4-1 to slide in the arc-shaped groove II 5-4-2, after the seat plate 4-1 is contacted with the insertion block 6-6, the insertion block 6-6 is ejected out of the seat plate 4-1, the storage groove 6-1 is ejected out under the action of the spring I3, then a tool is placed into the storage groove 6-1, and finally the storage groove 6-1 is pushed, so that the insertion block 6-6 is matched with the hole 5-4-4.
The second embodiment is as follows:
the present embodiment will be described with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, and the present embodiment will further describe the first embodiment in which the seat unit 4 rotates along with the disc 5-2 when the disc 5-2 rotates.
The third concrete implementation mode:
the present embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, and the present embodiment further describes the first embodiment, in which after the insert 6-6 is engaged with the hole 5-4-4, the insert 6-6 is exposed at the outer end of the hole 5-4-4.
The fourth concrete implementation mode:
the embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, and the embodiment further describes the embodiment, when the seat plate 4-1 slides in the arc-shaped groove ii 5-4-2 to contact with the insert block 6-6, the insert block 6-6 is ejected by the seat plate 4-1.
The fifth concrete implementation mode:
the present embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, and the present embodiment further describes the first embodiment, in which the material of the arc plates ii 5 to ii 4 is stainless steel.
The sixth specific implementation mode:
the present embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, and the present embodiment further describes the first embodiment, wherein the movable angle of the special angle hinge 4-2 is 50 °.
The seventh embodiment:
the present embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10, and the present embodiment further describes the first embodiment, wherein the support rod ii 4-6 is engaged with the fixing device 4-8, and when the hook 4-5 is engaged with the insertion hole 4-4, the support rod ii 4-6 is aligned with the support rod i 4-3.
The working principle of the invention is as follows: when the teacher's desk is used for hanging a hanging picture, the cover plate 1-5 is opened, then the support plate 1-4-4 is moved upwards, the support plate 1-4-4 drives the screw rod 1-4-1 to further drive the circular ring I1-4-7 and the circular ring II 1-4-8 to move upwards, the circular ring I1-4-7 drives the two support rods 1-4-2 to move, the support rods 1-4-2 drive the circular rods 1-4-3 to slide in the sliding grooves I1-2, when the support rods 1-4-2 are vertical to the desk main body 1-1, the hands are released, so that the support plate 1-4-4 rotates around a hinge at the joint of the screw rod 1-4-1 and the support plate 1-4-4 under the action of gravity, the support plate 1-4-4 is vertical to the screw rod 1-4-1, then hanging the hanging chart on a support plate 1-4-4, when the position of the support plate 1-4-4 needs to be adjusted, pressing the support plate 1-4-4 by hand, then rotating a ring II 1-4-8, wherein the ring II 1-4-8 drives a screw rod 1-4-1 through threads and drives the screw rod 1-4-1 to move, and the screw rod 1-4-1 drives the support plate 1-4-4 to move, so that the position adjustment of the support plate 1-4-4 is completed, and the remote students can conveniently watch the hanging chart; when a teacher needs to have a seat rest in a self-study class, the disc 5-2 is rotated, the disc 5-2 drives the seat device 4 to rotate, when the seat plate 4-1 on the seat device 4 moves to the position of the notch 5-4-3 on the arc-shaped plate II 5-4, the seat plate 4-1 is separated from the arc-shaped groove II 5-4-2, then the support rod II 4-6 and the support rod I4-3 are rotated, the support rod I4-3 and the support rod II 4-6 are on the same support, the hook 4-5 is inserted into the insertion hole 4-4, then the hook 4-5 rotates around a hinge at the joint of the support rod II 4-6 and the disc 5-2, the support rod II 4-6 moves to the lower end of the fixing device 4-8 and continues to move upwards, and the support rod II 4-6 drives the arc-shaped sliding block 4-8-4 to move along the arc-shaped groove I4 through 8-2, moving the support rod II 4-6 to the inner side of the arc-shaped plate I4-8-1, then moving the arc-shaped sliding block 4-8-4 back to the original position under the action of the spring II 4-8-3, clamping the support rod II 4-6 between the arc-shaped plate I4-8-1 and the arc-shaped sliding block 4-8-4, driving the support rod I4-3 by the support rod II 4-6 to further support the seat plate 4-1, and enabling the teacher to sit on the seat plate 4-1; when the storage device 6 is used, the disc 5-2 is rotated, the disc 5-2 drives the seat plate 4-1 to slide in the arc-shaped groove II 5-4-2, after the seat plate 4-1 is contacted with the insertion block 6-6, the insertion block 6-6 is ejected out of the seat plate 4-1, the storage groove 6-1 is ejected out under the action of the spring I3, then a tool is placed into the storage groove 6-1, and finally the storage groove 6-1 is pushed, so that the insertion block 6-6 is matched with the hole 5-4-4.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.
Claims (7)
1. The utility model provides a teacher uses lectern, includes table (1), base (2), spring I (3), seat device (4), controlling means (5), storage device (6), its characterized in that: the table plate (1) is composed of a table plate main body (1-1), a sliding groove I (1-2), a sliding groove II (1-3), a supporting device (1-4) and a cover plate (1-5); a sliding groove II (1-3) is arranged at the right end of the table board main body (1-1); the sliding chute I (1-2) is arranged on the table board main body (1-1), the sliding chute I (1-2) is communicated with the sliding chute II (1-3), the sliding chute II (1-3) is positioned at the upper end of the sliding chute I (1-2), and the sliding chute I (1-2) is a T-shaped sliding chute; the supporting devices (1-4) are arranged in the sliding chutes I (1-2) and the sliding chutes II (1-3); the cover plate (1-5) is movably connected to the table plate main body (1-1) through a hinge, and the cover plate (1-5) is in interference fit with the sliding groove II (1-3);
the supporting device (1-4) is composed of a screw rod (1-4-1), a supporting rod (1-4-2), a round rod (1-4-3), a supporting plate (1-4-4), a groove I (1-4-5), a groove II (1-4-6), a ring I (1-4-7) and a ring II (1-4-8); the upper end of the left side of the supporting plate (1-4-4) is provided with a groove II (1-4-6); the grooves I (1-4-5) are formed in the supporting plates (1-4-4), and the grooves I (1-4-5) are communicated with the grooves II (1-4-6); the right end of the screw rod (1-4-1) is movably connected to the support plate (1-4-4) through a hinge, and the screw rod (1-4-1) is in clearance fit with the groove II (1-4-6); the circular ring II (1-4-8) is matched with the screw rod (1-4-1) through threads; the circular ring I (1-4-7) is sleeved at the outer end of the circular ring II (1-4-8), and the circular ring I (1-4-7) is in clearance fit with the circular ring II (1-4-8); the number of the supporting rods (1-4-2) is two, and the upper ends of the two supporting rods (1-4-2) are movably connected to the lower end of the circular ring I (1-4-7) through hinges; the round rod (1-4-3) is fixedly connected to the lower end of the support rod (1-4-2) through welding; the round rod (1-4-3) is in clearance fit with the sliding chute I (1-2); the supporting rod (1-4-2) is in interference fit with the sliding groove II (1-3);
the base (2) is composed of a base main body (2-1) and a slide way (2-2); a slide way (2-2) is arranged on the base main body (2-1);
the seat device (4) is composed of a seat plate (4-1), a special angle hinge (4-2), a support rod I (4-3), an insertion hole (4-4), a hook (4-5), a support rod II (4-6), a support rod III (4-7) and a fixing device (4-8); the right end of the supporting rod I (4-3) is movably connected with a seat plate (4-1) through a special angle hinge (4-2), and the left end of the supporting rod I (4-3) is movably connected with a supporting rod II (4-6) through a hinge; the jack (4-4) is arranged on the support rod I (4-3); the hook (4-5) is connected to the lower end of the support rod II (4-6) through welding, and the hook (4-5) is in interference fit with the jack (4-4); the fixing devices (4-8) are fixedly arranged on the supporting rods III (4-7) through welding;
the fixing device (4-8) is composed of an arc-shaped plate I (4-8-1), an arc-shaped groove I (4-8-2), a spring II (4-8-3), an arc-shaped sliding block (4-8-4), an inclined plane (4-8-5) and a push block (4-8-6); arc-shaped grooves I (4-8-2) are formed in the inner parts of the two ends of the arc-shaped plate I (4-8-1); the arc-shaped sliding block (4-8-4) is in clearance fit with the arc-shaped groove I (4-8-2); one end of the spring II (4-8-3) is fixedly arranged in the arc-shaped groove I (4-8-2), and the other end of the spring II (4-8-3) is fixedly arranged on the arc-shaped sliding block (4-8-4); the inclined plane (4-8-5) is arranged at the outer end of the arc-shaped sliding block (4-8-4); the push block (4-8-6) is fixedly connected to the arc-shaped slide block (4-8-4) through welding; the support rod II (4-6) is in clearance fit with the fixing device (4-8);
the control device (5) is composed of a rotating shaft (5-1), a disc (5-2), a support rod IV (5-3) and an arc-shaped plate II (5-4); the rotating shaft (5-1) is connected with a disc (5-2) through a bearing; the lower end of the arc-shaped plate II (5-4) is fixedly connected with a support rod IV (5-3) through welding;
the arc-shaped plate II (5-4) consists of an arc-shaped plate II main body (5-4-1), an arc-shaped groove II (5-4-2), a notch (5-4-3) and a hole (5-4-4); the main body (5-4-1) of the arc plate II is provided with a notch (5-4-3); the arc-shaped groove II (5-4-2) is arranged on the inner side of the arc-shaped plate II main body (5-4-1), and the arc-shaped groove II (5-4-2) is communicated with the notch (5-4-3); the hole (5-4-4) is formed in the arc-shaped plate II main body (5-4-1), one end of the hole (5-4-4) penetrates through the arc-shaped plate II main body (5-4-1), and the other end of the hole (5-4-4) is communicated with the arc-shaped groove II (5-4-2);
the storage device (6) is composed of a storage groove (6-1), a connecting rod (6-2), a vertical rod (6-3), a groove (6-4), a spring III (6-5) and an insertion block (6-6); the inner side of the storage groove (6-1) is fixedly connected with a connecting rod (6-2) through welding; the connecting rod (6-2) is fixedly connected with a vertical rod (6-3) through welding; the groove (6-4) is arranged at the upper end of the vertical rod (6-3); the insert block (6-6) is in clearance fit with the groove (6-4); one end of the spring III (6-5) is fixedly connected in the groove (6-4), and the other end of the spring III (6-5) is fixedly connected on the inserting block (6-6);
the table plate main body (1-1) on the table plate (1) is fixedly connected to the upper end of the base main body (2-1) on the base (2) through a bolt; a storage groove (6-1) on the storage device (6) is in clearance fit with a slide way (2-2) on the base (2); the lower end of a rotating shaft (5-1) on the control device (5) is arranged on the bottom surface of a base main body (2-1) on the base (2), and the upper end of the rotating shaft (5-1) is arranged at the lower end of a table main body (1-1) on the table (1); the lower end of a support rod IV (5-3) on the control device (5) is fixedly connected to the upper end of a base main body (2-1) on the base (2) through welding; one end of the spring I (3) is fixedly arranged in the base (2) through welding, and the other end of the spring I (3) is fixedly connected to a storage groove (6-1) on the storage device (6) through welding; the inserting block (6-6) on the storage device (6) is in clearance fit with the hole (5-4-4) on the arc-shaped plate II (5-4); a support rod II (4-6) on the seat device (4) is movably connected to the side surface of the disc (5-2) on the control device (5) through a hinge; a support rod III (4-7) on the seat device (4) is fixedly connected to the side surface of a disc (5-2) on the control device (5) through welding; the support rod II (4-6) is movably connected to the side face of the disc (5-2) through a hinge, and the support rod III (4-7) is positioned at the upper end of the support rod II (4-6); the seat plate (4-1) on the seat device (4) is in clearance fit with the arc-shaped groove II (5-4-2) on the arc-shaped plate II (5-4).
2. A teacher's lectern according to claim 1, wherein: when the disc (5-2) rotates, the seat device (4) rotates along with the disc (5-2).
3. A teacher's lectern according to claim 1, wherein: after the insertion blocks (6-6) are matched with the holes (5-4-4), the insertion blocks (6-6) are exposed out of the outer ends of the holes (5-4-4).
4. A teacher's lectern according to claim 1, wherein: when the seat plate (4-1) slides in the arc-shaped groove II (5-4-2) to be in contact with the inserting block (6-6), the inserting block (6-6) is ejected out by the seat plate (4-1).
5. A teacher's lectern according to claim 1, wherein: the arc-shaped plates II (5-4) are made of stainless steel.
6. A teacher's lectern according to claim 1, wherein: the movable angle of the special angle hinge (4-2) is 50 degrees.
7. A teacher's lectern according to claim 1, wherein: the support rod II (4-6) is matched with the fixing device (4-8), and when the hook (4-5) is matched with the jack (4-4), the support rod II (4-6) and the support rod I (4-3) are on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642293.1A CN108813935B (en) | 2018-06-21 | 2018-06-21 | Teacher uses lectern |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642293.1A CN108813935B (en) | 2018-06-21 | 2018-06-21 | Teacher uses lectern |
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| CN108813935A CN108813935A (en) | 2018-11-16 |
| CN108813935B true CN108813935B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810642293.1A Active CN108813935B (en) | 2018-06-21 | 2018-06-21 | Teacher uses lectern |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990770B (en) * | 2020-08-31 | 2023-06-20 | 厦门唯美优格家具有限公司 | Embedded super counter |
| CN113425083B (en) * | 2021-08-12 | 2022-05-10 | 信阳师范学院 | Variable reading table applied to library and using method thereof |
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| CN108813935A (en) | 2018-11-16 |
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Effective date of registration: 20201127 Address after: 518000 3rd Floor, Second Industrial Zone, Tangwei Community, Gongming Office, Guangming New District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN DONGGANG JIASHENG FURNITURE MANUFACTURING Co.,Ltd. Address before: 150050 Heilongjiang Engineering College, 199 Hongqi Street, Daowai District, Harbin City, Heilongjiang Province Applicant before: Qi Jiancheng |
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Effective date of registration: 20221019 Address after: No. 56, Floor 1, Youth Entrepreneurship Park, Jianshe East Road, Tsinghua Community, Longhua Street, Longhua District, Shenzhen, Guangdong 518100 Patentee after: Shenzhen DSK Intelligent Furniture Co.,Ltd. Address before: 518000, 3rd floor, building 3, Tangwei community, Tangwei community, Gongming office, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN DONGGANG JIASHENG FURNITURE MANUFACTURING Co.,Ltd. |