Auxiliary teaching rod for classroom

Abstract

The utility model belongs to the technical field of teaching, and particularly relates to an auxiliary teaching rod for a classroom, which comprises a bottom rod, a handheld rod and a telescopic rod which are sequentially mounted, a chalk containing cavity is formed in the bottom of the bottom rod, and a chalk sleeve rod is contained in the chalk containing cavity. A felt head is installed at the top end of the telescopic rod, a metal shell is rotatably installed outside the felt head, and the metal shell is composed of a plurality of arc-shaped shells. A rectangular containing groove is formed in the side face of the handheld rod, and a ruler is movably installed in the rectangular containing groove. The multifunctional teaching rod is simple in structure and has multiple functions, the telescopic rod can enable the teaching rod to stretch out and draw back and be matched with the felt head and the metal shell, use conversion between a blackboard and an electronic screen is facilitated, a ruler and chalk are contained in the teaching rod, teaching tools are orderly stored, and the loudspeaker is arranged on the handheld rod, so that sound of a teacher is conveniently amplified.

Description

Technical Field

[0001] The utility model belongs to the technical field of teaching, and in particular relates to an auxiliary teaching rod for classroom. Background Art

[0002] In the process of teaching, in order to improve students' concentration and let students' thinking follow the teacher, a teaching rod consisting of only a stick was used in the past. However, with the technological development of the classroom and the diversification of teaching tools, teachers need to carry a lot of equipment every time they teach, and the combination of blackboard writing and multimedia display screens has brought great inconvenience to the demonstration work of educators and also affected the efficiency of classroom teaching. Therefore, the purpose of this utility model is to design a teaching rod with a storage function, which is easy to hold and suitable for blackboard and multimedia teaching.

[0003] For example, the utility model with the authorization announcement number CN 209525784 U discloses a multifunctional teaching rod, which relates to the technical field of teaching tools, and includes a holding shell, the outer wall of the holding shell is provided with anti-skid patterns, the inner wall of the holding shell is fixedly connected with a support plate, the upper surface of the support plate is fixedly connected with the bottom end of the first telescopic rod, the top of the first telescopic rod is fixedly connected with the bottom end of the fixed rod, the top of the fixed rod extends to the outside of the holding shell, and the top of the fixed rod is provided with a laser light, and the outer wall of the fixed rod overlaps with the opposite surfaces of two rubber plates respectively. The multifunctional teaching rod realizes the holding and fixing of the holding shell through the joint action of screws, nuts, anti-skid patterns, rings and elastic bands, thereby increasing the friction between the teacher's palm and the holding shell. However, the function of the teaching aid is relatively single, and a lot of equipment needs to be carried every time for class, and there is no relatively complete storage system. Utility Model Content

[0004] In view of the problems existing in the above-mentioned prior art, the utility model provides an integrated felt head and metal shell, which are arranged on the head of the same rod body for easy use. Multiple teaching auxiliary devices can be detachably installed on the teaching rod, so that the teaching rod can be easily organized.

[0005] The utility model discloses an auxiliary teaching rod for classroom, comprising a bottom rod, a hand-held rod and a telescopic rod which are installed in sequence; a chalk storage cavity is installed at the bottom of the bottom rod, and a chalk sleeve rod is stored in the chalk storage cavity; a felt head is installed at the top of the telescopic rod, and a metal shell is installed outside the felt head, and the metal shell is composed of a plurality of arc-shaped shells; a rectangular storage groove is opened on the side of the hand-held rod, and a ruler is movably installed in the rectangular storage groove.

[0006] Furthermore, the chalk storage cavity is a cylindrical storage cavity, and a locking structure is installed above and below the inner side of the chalk storage cavity, respectively, and the locking structure is two arc-shaped clamping plates installed in parallel in the chalk storage cavity; a U-shaped plate is installed on the top of the chalk storage cavity through a plurality of springs; two limiting plates are installed on the outer side of the chalk sleeve rod, and the distance between the two limiting plates is equal to the distance between the two locking structures; the chalk sleeve rod is clamped in the chalk storage cavity through the limiting plates and the locking structure.

[0007] Furthermore, the telescopic rod includes a plurality of branch rods that are longitudinally telescopically installed, and the bottom ends of the plurality of arc-shaped shells of the metal shell are respectively rotatably installed around the top end of the branch rod one at the top end of the telescopic rod; the side surfaces of the plurality of arc-shaped shells are respectively rotatably connected to the branch rod two at the bottom end of the first branch rod through connecting rods.

[0008] Furthermore, a rectangular storage groove is provided on the hand-held rod, and the ruler is slidably installed in the rectangular storage groove. Slideways are provided on both sides of the middle of the rectangular storage groove, and both sides of the ruler are fixedly connected to sliders arranged on the slideways.

[0009] Furthermore, a speaker is installed in the hand-held rod, and a sound hole is installed at the position of the speaker.

[0010] The beneficial effects of the utility model are:

[0011] A chalk storage cavity is provided to portablely store chalk sleeves with chalk. When not in use, the chalk sleeves are inserted into the chalk storage cavity with the cooperation of the positioning structure and the U-shaped plate, and are orderly summarized to prevent the chalk sleeves from being difficult to find immediately when in use;

[0012] The felt head and the metal shell are integrated, and the metal shell is wrapped around the outside of the felt head to guide the students to analyze the content on the blackboard; when analyzing the knowledge points and punctuation on the teaching electronic screen, the telescopic rod is stretched, and the multiple arc shells of the metal shell are pulled by the connecting rod to stretch the arc shell, so that the felt head is completely exposed and operated on the electronic screen. The structure is simple, and the felt head and the metal shell need not be replaced back and forth when reading on the electronic screen and the blackboard, which is not conducive to specific operations;

[0013] The ruler can be stored in a telescopic manner on the hand-held rod. The slider can be pushed by fingers to slide on the slideway to extend and close the ruler, which is convenient for classroom practice operations such as physics and mathematics, and does not occupy external space after storage.

[0014] A loudspeaker is provided on the handheld pole, which makes it convenient to speak into the loudspeaker in a smaller teaching space to amplify the sound and facilitate classroom teaching.

[0015] The utility model has a simple structure, diverse functions, and is easy to use. It integrates tools with different functions, saves time, and improves classroom teaching efficiency, and is suitable for wide promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model Figure 1 .

[0017] Figure 2 This is a schematic diagram of the overall structure of the utility model Figure 2 .

[0018] Figure 3 This is an enlarged diagram of the teaching rod ruler of the utility model. Figure 1 .

[0019] Figure 4 This is an enlarged diagram of the teaching rod ruler of the utility model. Figure 2 .

[0020] Figure 5 It is a cross-sectional view of the chalk storage groove of the utility model.

[0021] Figure 6 It is a schematic diagram of a chalk sleeve rod of the utility model.

[0022] Figure 7 It is an enlarged schematic diagram of the metal shell of the utility model.

[0023] Figure numerals: 1: bottom rod, 2: hand-held rod, 3: telescopic rod, 31: sub-rod one, 32: sub-rod two, 4: chalk storage chamber, 41: positioning structure, 42: U-shaped plate, 43: spring, 5: chalk sleeve rod, 51: limit plate, 6: felt head, 7: metal shell, 71: arc-shaped shell, 8: connecting rod, 9: rectangular storage groove, 10: slide, 11: ruler, 12: slider, 13: speaker hole. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] It should be noted that the terms "one", "two", etc. in the specification and claims of this application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that the terms used in this way can be interchangeable under appropriate circumstances.

[0026] It should be noted that in the present application, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0027] Example

[0028] like Figure 1-7 As shown, an auxiliary teaching rod for classroom use comprises a bottom rod 1, a hand-held rod 2, and a telescopic rod 3 which are fixedly installed in sequence.

[0029] like Figure 1 , Figure 5 , Figure 6 As shown, a chalk storage cavity 4 is installed at the bottom of the bottom rod 1, and a chalk sleeve rod 5 is stored in the chalk storage cavity 4. The chalk storage cavity 4 is a cylindrical storage cavity, and a clamping structure 41 is installed above and below the inner side of the chalk storage cavity 4, respectively. The clamping structure 41 is two arc-shaped clamping plates installed in parallel in the chalk storage cavity 4; a U-shaped plate 42 is installed at the top of the chalk storage cavity 4 through three springs 43; the chalk sleeve rod 5 is a cylindrical structure, and two limiting plates 51 are installed on the side of the chalk sleeve rod 5, and the distance between the two limiting plates 51 is equal to the distance between the two clamping structures 41; the chalk sleeve rod 5 is clamped in the chalk storage cavity 4 through the limiting plates 51 and the clamping structure 41. When storing, the chalk sleeve rod 5 is inserted into the chalk storage cavity 4, and after the chalk sleeve rod 5 is pushed into the bottom end of the chalk storage cavity 4, the chalk storage cavity 4 is rotated, and the limiting plate 51 is clamped into the clamping structure 41. At this time, the clamping structure 41 plays a longitudinal limiting role on the chalk sleeve rod 5. Due to the compression of the spring 43, the longitudinal limiting role of the chalk sleeve rod 5 is further strengthened, increasing its friction force to prevent the chalk sleeve rod 5 from falling; when using, the chalk sleeve rod 5 is rotated, and under the reaction force of the spring 43, the chalk sleeve rod 5 pops out for easy use. This structure organizes the chalk sleeve rod 5 in an orderly manner to prevent the chalk sleeve rod 5 from being difficult to find immediately when using it. This structure can also install a hanging ring at the bottom end of the chalk sleeve rod 5 to assist the insertion and ejection of the chalk sleeve rod 5.

[0030] like Figure 1-2 , Figure 7As shown, the telescopic rod 3 includes five sections of rods that are telescopically installed. A felt head 6 is fixedly installed at the top of the telescopic rod 3. A metal shell 7 is rotatably installed outside the felt head 6. The metal shell 7 is composed of eight arc-shaped shells 71. The bottom ends of the eight arc-shaped shells 71 of the metal shell 7 are respectively rotatably installed around the top of the rod 1 31 at the top of the telescopic rod 3; the sides of the arc-shaped shell 71 are respectively rotatably installed with the rod 2 32 at the bottom of the first rod through the connecting rod 8. In this structure, the felt head 6 and the metal shell 7 are integrated, and the metal shell 7 is wrapped around the outside of the felt head 6 to guide the students to analyze the content on the blackboard; when analyzing the punctuation of the content on the teaching electronic screen, the telescopic rod 3 is stretched, and the multiple arc-shaped shells 71 of the metal shell 7 are pulled by the connecting rod 8 to stretch the arc-shaped shell 71, and the felt head 6 is completely exposed, and the electronic screen is pointed and operated. The structure is simple, and it is saved to switch back and forth between the felt head 6 and the metal shell 7 when reading on the electronic screen and the blackboard, which is not conducive to specific operation. The telescopic rod in this embodiment is a five-section stainless steel telescopic rod.

[0031] like Figure 3 , Figure 4 As shown, a rectangular storage groove 9 is provided on the side of the hand-held rod 2, and slideways 10 are provided on both sides of the middle of the rectangular storage groove 9. A ruler 11 is fixedly installed with a slider 12 sliding on the slideway 10, and the ruler 11 is slidably installed on the rectangular storage groove 9. By sliding the slider 12 on the slideway 10 with a finger, the slider 12 drives the ruler 11 to extend and retract, which is convenient for classroom practice operations of physics, politics, etc., and does not occupy external space after being stored.

[0032] like Figure 1 As shown, a speaker is installed in the hand-held rod 2, and a speaker hole 13 is installed at the position of the speaker. A switch and a battery are installed in the hand-held rod, and the battery is connected to the speaker and the switch. When teaching, when you need to speak loudly, you only need to turn on the switch and speak to the speaker.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An auxiliary teaching rod for classroom use, characterized in that: It comprises a bottom rod, a hand-held rod and a telescopic rod which are installed in sequence; a chalk storage cavity is installed at the bottom of the bottom rod, and a chalk sleeve rod is stored in the chalk storage cavity; a felt head is installed at the top of the telescopic rod, and a metal shell is installed outside the felt head, and the metal shell is composed of a plurality of arc-shaped shells; the telescopic rod comprises a plurality of branch rods which are installed in a longitudinal telescopic manner, and the bottom ends of the plurality of arc-shaped shells of the metal shell are respectively rotatably installed around the top end of a branch rod one at the top end of the telescopic rod; the side surfaces of the plurality of arc-shaped shells are respectively rotatably connected to a branch rod two at the bottom end of the branch rod one through a connecting rod; a rectangular storage groove is provided on the side surface of the hand-held rod, and a ruler is movably installed in the rectangular storage groove.

2. An auxiliary teaching rod for classroom use according to claim 1, characterized in that: The chalk storage cavity is a cylindrical storage cavity, and a clamping structure is installed above and below the inner side of the chalk storage cavity respectively, and the clamping structure is two arc-shaped clamping plates installed in parallel in the chalk storage cavity; a U-shaped plate is installed on the top of the chalk storage cavity through a plurality of springs; two limiting plates are installed on the outer side of the chalk sleeve rod, and the distance between the two limiting plates is equal to the distance between the two clamping structures; the chalk sleeve rod is clamped in the chalk storage cavity through the limiting plates and the clamping structure.

3. An auxiliary teaching rod for classroom use according to claim 2, characterized in that: A rectangular storage groove is provided on the hand-held rod, and the ruler is slidably installed in the rectangular storage groove. Slideways are provided on both sides of the middle of the rectangular storage groove, and both sides of the ruler are fixedly connected to sliders arranged on the slideways.

4. An auxiliary teaching rod for classroom use according to claim 3, characterized in that: A speaker is installed in the hand-held rod, and a sound-speaker hole is installed at the position where the speaker is located.

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