CN213634952U

CN213634952U - Laser pen for teaching

Info

Publication number: CN213634952U
Application number: CN202022938217.0U
Authority: CN
Inventors: 朱妍洁; 孔月光
Original assignee: Xiamen Institute of Technology
Current assignee: Xiamen Institute of Technology
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-07-06
Anticipated expiration: 2030-12-10

Abstract

The utility model provides a give lessons and use laser pen, including laser pen main part, left wrist strap and right wrist strap, the one end of laser pen main part is equipped with first spliced eye, and the other end of laser pen main part is equipped with first bayonet joint, be equipped with a plurality of on the wrist strap of a left side and detain the hole, the one end of left wrist strap is equipped with the second bayonet joint that is used for pegging graft with first spliced eye, the one end of right wrist strap is equipped with the second spliced eye that is used for pegging graft with first bayonet joint or second bayonet joint, thereby the other end of right wrist strap is equipped with and is used for detaining the regulation of getting up left wrist strap and right wrist strap and buckling hole cooperation. The utility model discloses can prevent effectively that the laser pen from losing, when not using, wear the laser pen on hand, during the use, take off the laser pen, part laser pen and left wrist strap and right wrist strap, couple together left wrist strap again with right wrist strap, wear on hand to avoid the wrist strap to lose, structure with adjustable wrist strap, adaptable different wrist footpath.

Description

Laser pen for teaching

Technical Field

The utility model relates to a teaching aid technical field, concretely relates to give lessons and use laser pen.

Background

With the rapid development of the internet of things and network communication, the screen projection technology is widely used, multimedia teaching becomes a conventional mode of teaching activities, and projectors are required to be used in large quantities in daily teaching work. The laser pen is a pen-shaped emitter which is formed by designing visible laser into a portable type emitter which is easy to hold by hands and processing a laser module, and has the characteristics of quick positioning and convenient carrying, so that the laser pen becomes an important auxiliary tool for teaching, but is easy to lose in the using process due to small volume, and causes inconvenience for teachers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above weak point, provide a convenient to carry is difficult for losing the laser pen for teaching.

The utility model provides a scheme that technical problem adopted is: the utility model provides a give lessons and use laser pen, includes laser pen main part, left wrist strap and right wrist strap, the one end of laser pen main part is equipped with first spliced eye, and the other end of laser pen main part is equipped with first bayonet joint, be equipped with a plurality of on the wrist strap of a left side and detain the hole, the one end of left wrist strap is equipped with the second bayonet joint that is used for pegging graft with first spliced eye, the one end of right wrist strap is equipped with the second spliced eye that is used for pegging graft with first bayonet joint or second bayonet joint, thereby the other end of right wrist strap is equipped with and is used for detaining the regulation knot that the hole cooperation was connected left wrist strap and right wrist strap.

Furthermore, in order to form laser emission, indicating tools such as a pointer and the like are replaced in a classroom, so that teachers are assisted to carry out teaching work; the laser pen main part includes casing and laser generator, first spliced eye and first bayonet joint are located on the casing, laser generator locates in the casing, is equipped with the laser outgoing hole on the first bayonet joint.

Furthermore, in order to ensure that the shell falls, one end of the first plug connector is downwards contacted with the ground firstly, and the impact force on the shell is ensured to be buffered when the shell falls, so that the shell is prevented from being impacted; the metal counterweight block is arranged on one side of the first plug-in connector in the shell, the first plug-in connector is slidably mounted on the shell, and a damping spring used for preventing the shell from being impacted is arranged between the plug-in connector and the shell.

Furthermore, in order to clamp the chalk and ensure that the first inserting hole can be opened so as to clean the chalk dust; one end of the shell is provided with a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece surround to form a first inserting hole, and one sides of the first clamping piece and the second clamping piece are rotatably installed on the laser pen main body through torsional springs to clamp chalk.

Furthermore, in order to quickly connect the second plug connector with the first plug hole or the second plug hole; the first magnet is arranged in the second plug connector, the second magnet used for attracting the second plug connector is arranged in the first plug hole, and the third magnet used for attracting the first plug connector or the second plug connector is arranged in the second plug hole.

Compare prior art, the utility model has the advantages of it is following:

(1) the utility model can effectively prevent the laser pen from losing, when not in use, the laser pen is worn on the hand, when in use, the laser pen is taken down, the laser pen is separated from the left wrist strap and the right wrist strap, and then the left wrist strap is connected with the right wrist strap again and worn on the hand, so as to avoid the wrist strap losing, and the adjustable structure of the wrist strap can adapt to different wrist diameters;

(2) the laser pen has the function of falling prevention, when the laser pen falls on the ground carelessly, one end of the balancing weight is heavier, and can be firstly contacted with the ground, when the first plug connector collides with the ground, the impact force is transmitted to the damping spring, and the damping spring deforms to offset the impact force, so that the impact force is ensured not to be transmitted to the shell, and the shell and the internal elements are prevented from being damaged by the impact;

(3) use the utility model discloses the laser pen is when giving lessons, the chalk of pegging graft of still available first spliced eye to avoid the chalk dust to make dirty hand, during the use, compress tightly the one end of first clamping piece and second clamping piece, open first spliced eye, prevent the chalk in first spliced eye, then release first clamping piece and second clamping piece, first clamping piece and second clamping piece reset under the torsional spring effect and press from both sides tight chalk, the structure that first spliced eye can be opened, also convenient clearance chalk dust.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings:

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

FIG. 2 is a schematic view of the construction of the left and right wristbands;

FIG. 3 is a connecting structure diagram of the present invention;

fig. 4 is a schematic structural view of the first clip piece and the second clip piece.

In the figure: 1-a shell; 101-a first plug hole; 102-a first plug-in connector; 103-a first jaw; 104-a second jaw; 105-a chute; 2-left wrist strap; 201-a second plug; 202-a buttonhole; 3-right wrist band; 301-a second mating hole; 4-adjusting the button; 5-a damping spring; 6-a first magnet; 7-a second magnet; 8-a third magnet; 9-torsion spring.

Detailed Description

The invention is described in detail below with reference to the drawings and specific examples:

as shown in fig. 1-4, this embodiment provides a laser pen for teaching, including laser pen main body, left wrist strap 2 and right wrist strap 3, one end of laser pen main body is equipped with first spliced eye 101, and the other end of laser pen main body is equipped with first bayonet joint 102, be equipped with a plurality of on the left wrist strap 2 and detain hole 202, the one end of left wrist strap 2 is equipped with the second bayonet joint 201 that is used for pegging graft with first spliced eye 101, the one end of right wrist strap 3 is equipped with the second spliced eye 301 that is used for pegging graft with first bayonet joint 102 or second bayonet joint 201, thereby the other end of right wrist strap 3 is equipped with and is used for detaining the regulation knot 4 that hole 202 cooperation was used for connecting left wrist strap 2 and right wrist strap 3.

In the embodiment, in order to form laser emission, indicating tools such as a pointer and the like are replaced in a classroom to assist teachers to carry out teaching work; the laser pen main part includes casing 1 and laser generator, and casing 1 adopts plastics to make, and the quality is light, and is with low costs, first spliced eye 101 and first bayonet joint 102 are located on casing 1, laser generator locates in casing 1, is equipped with the laser outgoing hole on the first bayonet joint 102.

In this embodiment, in order to ensure that the housing 1 falls, one end of the first plug 102 is downward and contacts with the ground first, and when the housing 1 falls, the impact force applied to the housing 1 is ensured to be buffered, so as to prevent the housing 1 from being impacted; be equipped with the metal balancing weight that is located first bayonet joint 102 one side in casing 1, first bayonet joint 102 slidable mounting is equipped with spout 105 in casing 1 on casing 1, and first bayonet joint 102 slidable mounting is equipped with damping spring 5 that is used for preventing casing 1 from receiving the striking between first bayonet joint 102 and the casing 1 in spout 105, and damping spring 5's one end is connected with casing 1, and damping spring 5's the other end is connected with first bayonet joint 102.

In the present embodiment, in order to hold the chalk and ensure that the first insertion hole 101 can be opened for cleaning the chalk dust; one end of the shell 1 is provided with a first clamping piece 103 and a second clamping piece 104, the first clamping piece 103 and the second clamping piece 104 surround to form a first inserting hole 101, and one side of the first clamping piece 103 and one side of the second clamping piece 104 are rotatably installed on the laser pen main body through a torsion spring 9 to clamp chalk.

In the present embodiment, in order to quickly connect the second connector 201 with the first jack 101 or the second jack 301; a first magnet 6 is arranged in the second plug connector 201, a second magnet 7 for attracting the second plug connector 201 is arranged in the first plug hole 101, and a third magnet 8 for attracting the first plug connector 102 or the second plug connector 201 is arranged in the second plug hole 301.

The utility model can effectively prevent the laser pen from losing, when not in use, the laser pen is worn on the hand, when in use, the laser pen is taken down, the laser pen is separated from the left wrist strap 2 and the right wrist strap 3, and then the left wrist strap 2 is connected with the right wrist strap 3 again and worn on the hand, so as to avoid the loss of the wrist strap, and the adjustable structure of the wrist strap can adapt to different wrist diameters; the laser pen of the utility model has the function of falling prevention, when the laser pen falls on the ground carelessly, the laser pen can contact the ground firstly because one end of the balancing weight has heavier mass, when the first plug connector 102 collides with the ground, the impact force is transmitted to the damping spring 5, the damping spring 5 deforms to offset the impact force, thereby ensuring that the impact force can not be transmitted to the shell 1, and avoiding the shell 1 and the internal elements from being damaged by the impact; use the utility model discloses a laser pen is when giving lessons, still available first spliced eye 101 grafting chalk to avoid the chalk dust to make dirty hand, during the use, compress tightly the one end of first clamping piece 103 and second clamping piece 104, open first spliced eye 101, prevent the chalk in first spliced eye 101, then release first clamping piece 103 and second clamping piece 104 again, first clamping piece 103 and second clamping piece 104 reset under the torsional spring 9 effect and press from both sides tight chalk, the structure that first spliced eye 101 can be opened, also conveniently clear up the chalk dust.

The above only is the embodiment of the present invention, not limiting the patent protection scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a give lessons and use laser pen which characterized in that: including laser pen main part, left wrist strap and right wrist strap, the one end of laser pen main part is equipped with first spliced eye, and the other end of laser pen main part is equipped with first bayonet joint, be equipped with a plurality of on the wrist strap of a left side and detain the hole, the one end of left wrist strap is equipped with the second bayonet joint that is used for pegging graft with first spliced eye, the one end of right wrist strap is equipped with the second spliced eye that is used for pegging graft with first bayonet joint or second bayonet joint, thereby the other end of right wrist strap is equipped with and is used for detaining the regulation knot that the hole cooperation was connected left wrist strap and right wrist strap.

2. A laser pointer for teaching as claimed in claim 1 wherein: the laser pen main part includes casing and laser generator, first spliced eye and first bayonet joint are located on the casing, laser generator locates in the casing, is equipped with the laser outgoing hole on the first bayonet joint.

3. A laser pointer for teaching as claimed in claim 2 wherein: the metal counterweight block is arranged on one side of the first plug-in connector in the shell, the first plug-in connector is slidably mounted on the shell, and a damping spring used for preventing the shell from being impacted is arranged between the first plug-in connector and the shell.

4. A laser pointer for teaching as claimed in claim 2 wherein: one end of the shell is provided with a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece surround to form a first inserting hole, and one sides of the first clamping piece and the second clamping piece are rotatably installed on the laser pen main body through torsional springs to clamp chalk.

5. A laser pointer for teaching as claimed in claim 1 wherein: the first magnet is arranged in the second plug connector, the second magnet used for attracting the second plug connector is arranged in the first plug hole, and the third magnet used for attracting the first plug connector or the second plug connector is arranged in the second plug hole.