阅读说明：本技术 一种形状可变化的教学用杆 (Shape-changeable teaching rod ) 是由 冯晨煜 于 2019-11-11 设计创作，主要内容包括：本发明涉及教学用杆技术领域,且公开了一种形状可变化的教学用杆,包括固定块,所述固定块的外壁套接有橡胶圈,所述固定块的底部固定安装有连接销钉,所述连接销钉的外壁套接有第一支杆,所述第一支杆的底部且位于连接销钉的外围固定安装有第一垫片,所述连接销钉的外壁且位于第一垫片的下方活动安装有第一固定螺母,所述第一支杆的底部固定安装有第一橡胶套。该形状可变化的教学用杆,通过拧松第一固定螺母,第一固定螺母与连接销钉上的第一螺纹槽作用并带动第一固定螺母脱离第一垫片,再通过旋转折叠第一支杆,使得两个第一支杆与两个第二支杆相互折叠,达到简单方便多重折叠的效果。(The invention relates to the technical field of teaching rods and discloses a shape-variable teaching rod which comprises a fixed block, wherein a rubber ring is sleeved on the outer wall of the fixed block, a connecting pin is fixedly installed at the bottom of the fixed block, a first supporting rod is sleeved on the outer wall of the connecting pin, a first gasket is fixedly installed at the bottom of the first supporting rod and positioned at the periphery of the connecting pin, a first fixing nut is movably installed at the outer wall of the connecting pin and positioned below the first gasket, and a first rubber sleeve is fixedly installed at the bottom of the first supporting rod. This pole is used in teaching that shape can change through unscrewing first fixation nut, and first thread groove effect on first fixation nut and the connecting pin drives first fixation nut and breaks away from first gasket, and rotatory folding first branch of rethread for two first branches and two second branches are folding each other, reach simple and convenient multiple folding effect.)

1. The utility model provides a pole is used in teaching that shape can change, includes fixed block (1), its characterized in that: the outer wall of the fixing block (1) is sleeved with a rubber ring (2), the bottom of the fixing block (1) is fixedly provided with a connecting pin (3), the outer wall of the connecting pin (3) is sleeved with a first supporting rod (4), the bottom of the first supporting rod (4) is fixedly provided with a first gasket (5) at the periphery of the connecting pin (3), the outer wall of the connecting pin (3) is movably provided with a first fixing nut (6) at the position below the first gasket (5), the bottom of the first supporting rod (4) is fixedly provided with a first rubber sleeve (7), the bottom of the first supporting rod (4) is fixedly provided with a second gasket (8) at the left side and the right side of the first rubber sleeve (7), the bottom of the second gasket (8) is movably provided with a connecting screw rod (9) which penetrates through and extends to the top of the first supporting rod (4), and the bottom of the connecting screw rod (9) is fixedly provided with a nut (10), second branch (11) have been cup jointed to the outer wall of connecting screw (9) and the top that is located first branch (4), draw-in groove (12) have all been seted up on the left side and the right side that the top of second branch (11) just is located connecting screw (9), the inside movable mounting of draw-in groove (12) has fixture block (13), the top fixed mounting of fixture block (13) has stopper (14), the top movable mounting of stopper (14) has second fixation nut (15), the top of second branch (11) just is located the left side and the equal fixed mounting in right side of stopper (14) has second rubber sleeve (16), the equal fixed mounting in the back of the body side of second branch (11) has block rubber (17).

2. A shape-modifiable educational rod according to claim 1, wherein: the fixed block (1) is cylindrical, the quantity of connecting pin (3) is two, two connecting pin (3) are the center pin that uses fixed block (1) in the bottom of fixed block (1) and are the symmetric distribution as the symmetry axis.

3. A shape-modifiable educational rod according to claim 1, wherein: the first supporting rod (4) and the second supporting rod (11) are both semi-cylindrical solid rods, and the radius of the first supporting rod (4) and the radius of the second supporting rod (11) are equal to the thickness of the fixing block (1).

4. A shape-modifiable educational rod according to claim 1, wherein: the quantity of first branch (4), connecting screw (9), second branch (11) and block rubber (17) is two, two first branch (4), connecting screw (9), second branch (11) and block rubber (17) all are the symmetric distribution on the left side and the right side of fixed block (1).

5. A shape-modifiable educational rod according to claim 1, wherein: the outer wall of the connecting pin (3) is provided with a first thread groove meshed with the first fixing nut (6), and the outer wall of the connecting screw rod (9) is provided with a second thread groove meshed with the second fixing nut (15).

6. A shape-modifiable educational rod according to claim 1, wherein: the first gasket (5) and the second gasket (8) are both elastic resistance-increasing rubber pads, the elastic resistance-increasing rubber pads are nitrile rubber, and the first rubber sleeve (7) and the second rubber sleeve (16) are both semi-circular arc-shaped rubber plates.

Technical Field

The invention relates to the technical field of teaching rods, in particular to a shape-variable teaching rod.

Background

The teaching is a unique talent training activity of human beings, which is formed by the teaching of teachers and the learning of students, through the activity, the teachers purposefully, planningly and organically guide the students to actively and consciously learn and accelerate the mastering of basic knowledge and basic skills of cultural science, the comprehensive improvement of the multi-aspect quality of the students is promoted, the students become people required by the society, the teaching concept is abstracted and summarized from teaching phenomena and teaching practices, the teaching connotation also develops along with the development of history, and the teaching process generally utilizes a teaching rod to carry out accurate auxiliary teaching.

The traditional teaching rod is generally of a fixed structure, the length of the traditional teaching rod is not convenient to adjust, and part of the teaching rod with the adjustable length is generally of a hollow rod-shaped structure, so that the teaching rod with the variable shape is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a teaching rod with a variable shape, which has the advantages of convenience in adjustment and the like, and solves the problems that the traditional teaching rod is generally of a fixed structure, the length of the traditional teaching rod is inconvenient to adjust, and part of the teaching rod with the adjustable length is generally of a hollow rod-shaped structure, so that the traditional teaching rod is low in hardness and easy to break to cause damage.

(II) technical scheme

In order to achieve the purpose of convenient adjustment, the invention provides the following technical scheme: a shape-variable rod for teaching comprises a fixed block, wherein the outer wall of the fixed block is sleeved with a rubber ring, the bottom of the fixed block is fixedly provided with a connecting pin, the outer wall of the connecting pin is sleeved with a first supporting rod, the bottom of the first supporting rod is fixedly provided with a first gasket at the periphery of the connecting pin, the outer wall of the connecting pin is movably provided with a first fixing nut below the first gasket, the bottom of the first supporting rod is fixedly provided with a first rubber sleeve, the bottom of the first supporting rod is fixedly provided with a second gasket at the left side and the right side of the first rubber sleeve, the bottom of the second gasket is movably provided with a connecting screw rod penetrating through and extending to the top of the first supporting rod, the bottom of the connecting screw rod is fixedly provided with a nut, the outer wall of the connecting screw rod is sleeved with a second supporting rod above the first supporting rod, the top of second branch just is located connecting screw's left side and right side and has all seted up the draw-in groove, the inside movable mounting of draw-in groove has the fixture block, the top fixed mounting of fixture block has the stopper, the top movable mounting of stopper has second fixation nut, the top of second branch just is located the left side of stopper and the equal fixed mounting in right side has the second rubber sleeve, the equal fixed mounting in looks dorsal part of second branch has the block rubber.

Preferably, the fixed block is cylindrical, connecting pin's quantity is two, two connecting pin uses the center pin of fixed block as the symmetry axis and is the symmetric distribution in the bottom of fixed block.

Preferably, the first supporting rod and the second supporting rod are semi-cylindrical solid rods, and the radiuses of the first supporting rod and the second supporting rod are equal to the thickness of the fixing block.

Preferably, the quantity of first branch, connecting screw, second branch and block rubber is two, two first branch, connecting screw, second branch and block rubber all are the symmetric distribution on the left side and the right side of fixed block.

Preferably, the outer wall of the connecting pin is provided with a first thread groove meshed with the first fixing nut, and the outer wall of the connecting screw is provided with a second thread groove meshed with the second fixing nut.

Preferably, the first gasket and the second gasket are both elastic resistance-increasing rubber pads, the elastic resistance-increasing rubber pads are nitrile rubber, and the first rubber sleeve and the second rubber sleeve are both semi-circular arc-shaped rubber plates.

(III) advantageous effects

Compared with the prior art, the invention provides a teaching rod with a variable shape, which has the following beneficial effects:

the teaching rod with the variable shape achieves the simple and convenient preliminary folding effect by loosening the screw cap, enabling the screw cap to be separated from the second gasket through the action of the second thread groove on the connecting screw rod and the second fixing nut, then enabling the second support rod and the first support rod to be folded by rotating and folding the screw cap, achieving the simple and convenient multiple folding effect by loosening the first fixing nut, enabling the first fixing nut to be reacted with the first thread groove on the connecting pin and driving the first fixing nut to be separated from the first gasket, and enabling the two first support rods and the two second support rods to be folded mutually through rotating and folding the first support rod, meanwhile, enabling the rubber blocks at the two ends of the second support rod to be elastically extruded with the rubber ring on the outer wall of the fixing block and limiting the first support rod and the second support rod, achieving the simple and convenient folding, fixing and carrying effects, thereby being convenient for adjusting the length of the teaching rod, and enabling the first support rod and the second support rod to be semi-cylindrical solid rods, this pole hardness is used in teaching of preliminary increase when first branch and second branch are elongated, forms the cylinder when first branch and second branch are folding each other, and further the condition of having avoided this pole easy rupture for teaching to cause the damage takes place, reaches the multiple effect of preventing the damage of bending to the life of this pole is used in teaching has been prolonged, makes this pole facilitate promotion is used in teaching.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is an enlarged view of the point B in FIG. 1.

In the figure: 1 fixed block, 2 rubber rings, 3 connecting pins, 4 first supporting rods, 5 first gaskets, 6 first fixing nuts, 7 first rubber sleeves, 8 second gaskets, 9 connecting screw rods, 10 screw caps, 11 second supporting rods, 12 clamping grooves, 13 clamping blocks, 14 limiting blocks, 15 second fixing nuts, 16 second rubber sleeves and 17 rubber blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a shape-changeable teaching rod comprises a fixed block 1, a rubber ring 2 is sleeved on the outer wall of the fixed block 1, connecting pins 3 are fixedly installed at the bottom of the fixed block 1, the fixed block 1 is cylindrical, the number of the connecting pins 3 is two, the two connecting pins 3 are symmetrically distributed at the bottom of the fixed block 1 by taking the central axis of the fixed block 1 as a symmetry axis, a first support rod 4 is sleeved on the outer wall of the connecting pin 3, a first gasket 5 is fixedly installed at the bottom of the first support rod 4 and at the periphery of the connecting pin 3, a first fixing nut 6 is movably installed at the outer wall of the connecting pin 3 and below the first gasket 5, a first rubber sleeve 7 is fixedly installed at the bottom of the first support rod 4, a second gasket 8 is fixedly installed at the bottom of the first support rod 4 and at the left side and the right side of the first rubber sleeve 7, a connecting screw rod 9 penetrating through and extending to the top of the first support rod 4 is movably installed at the bottom of, a nut 10 is fixedly installed at the bottom of the connecting screw rod 9, a second supporting rod 11 is sleeved on the outer wall of the connecting screw rod 9 and positioned above the first supporting rod 4, the first supporting rod 4 and the second supporting rod 11 are semi-cylindrical solid rods, the radiuses of the first supporting rod 4 and the second supporting rod 11 are equal to the thickness of the fixing block 1, clamping grooves 12 are respectively formed in the top of the second supporting rod 11 and positioned on the left side and the right side of the connecting screw rod 9, clamping blocks 13 are movably installed in the clamping grooves 12, limiting blocks 14 are fixedly installed at the tops of the clamping blocks 13, second fixing nuts 15 are movably installed at the tops of the limiting blocks 14, first thread grooves meshed with the first fixing nuts 6 are formed in the outer wall of the connecting pin 3, second thread grooves meshed with the second fixing nuts 15 are formed in the outer wall of the connecting screw rod 9, second rubber sleeves 16 are fixedly installed on the top of the second supporting rod 11 and positioned on the left side, the first gasket 5 and the second gasket 8 are both elastic resistance-increasing rubber gaskets, the elastic resistance-increasing rubber gaskets are nitrile rubber, the first rubber sleeve 7 and the second rubber sleeve 16 are both semi-circular rubber plates, rubber blocks 17 are fixedly mounted on the opposite sides of the second support rod 11, the number of the first support rod 4, the connecting screw rod 9, the second support rod 11 and the rubber blocks 17 is two, the two first support rods 4, the connecting screw rod 9, the second support rod 11 and the rubber blocks 17 are symmetrically distributed on the left side and the right side of the fixing block 1, the nut 10 is enabled to be separated from the second gasket 8 through the action of a second thread groove on the connecting screw rod 9 and a second fixing nut 15 through loosening of the nut 10, the second support rod 11 and the first support rod 4 are folded through rotation, the simple and convenient preliminary folding effect is achieved, the first fixing nut 6 is enabled to act with the first thread groove on the connecting pin 3 and drive the first fixing nut 6 to be separated from the first gasket 5 through loosening of the first fixing nut 6 through rotation, the two first supporting rods 4 and the two second supporting rods 11 are mutually folded by rotating and folding the first supporting rods 4, so that the effect of simple, convenient and multiple folding is achieved, meanwhile, the rubber blocks 17 at the two ends of the second supporting rods 11 and the rubber rings 2 on the outer wall of the fixing block 1 are elastically extruded and limit the first supporting rods 4 and the second supporting rods 11, so that the effect of simple, convenient, folding, fixing and carrying is achieved, the length of the teaching rod is convenient to adjust, the first supporting rods 4 and the second supporting rods 11 are semi-cylindrical solid rods, the hardness of the teaching rod is preliminarily increased when the first supporting rods 4 and the second supporting rods 11 are extended, the first supporting rods 4 and the second supporting rods 11 are formed into cylinders when being mutually folded, the phenomenon that the teaching rod is easily broken to cause damage is further avoided, the effect of multiple bending and damage prevention is achieved, and the service life of the teaching rod is prolonged, the teaching rod is convenient to popularize.

In conclusion, the teaching rod with variable shape achieves the effect of simple, convenient and preliminary folding by loosening the nut 10, enabling the nut 10 to be separated from the second gasket 8 through the action of the second thread groove on the connecting screw rod 9 and the second fixing nut 15, then rotating and folding the second supporting rod 11 and the first supporting rod 4, achieving the effect of simple, convenient and multiple folding by loosening the first fixing nut 6, enabling the first fixing nut 6 to be reacted with the first thread groove on the connecting pin 3 and driving the first fixing nut 6 to be separated from the first gasket 5, then rotating and folding the first supporting rod 4 to enable the two first supporting rods 4 and the two second supporting rods 11 to be folded mutually, achieving the effect of simple, convenient and multiple folding, meanwhile, elastically extruding the rubber blocks 17 at the two ends of the second supporting rods 11 and the rubber ring 2 on the outer wall of the fixing block 1 and limiting the first supporting rods 4 and the second supporting rods 11, achieving the effect of simple, convenient, folding, fixing and carrying, thereby be convenient for adjust the length of this pole for teaching, be the semi-cylindrical solid bar through stating first branch 4 and second branch 11, tentatively increase this pole hardness for teaching when first branch 4 and the 11 extension of second branch, form the cylinder when first branch 4 and the 11 mutual foldings of second branch, further avoided this pole easy rupture for teaching to cause the condition of damage to take place, reach the multiple effect of preventing the damage of bending, thereby the life of this pole for teaching has been prolonged, make this pole for teaching facilitate promotion, traditional pole for teaching generally is fixed structure has been solved, it is not convenient for adjust length, the long pole for teaching of part adjustable generally is hollow rod-shaped structure, the problem that the condition of damage takes place is caused to the low easy rupture of its hardness.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.