CN216119157U - Indicating rod for teaching - Google Patents
Indicating rod for teaching Download PDFInfo
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- CN216119157U CN216119157U CN202121487268.4U CN202121487268U CN216119157U CN 216119157 U CN216119157 U CN 216119157U CN 202121487268 U CN202121487268 U CN 202121487268U CN 216119157 U CN216119157 U CN 216119157U
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- fixing
- connecting rod
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Abstract
The utility model discloses an indicating rod for teaching, which relates to the technical field of teaching instruments and comprises a fixing box, wherein the upper surface of the fixing box is fixedly connected with a fixing cylinder, a telescopic rod is placed in the fixing cylinder, the bottom surface of the telescopic rod is fixedly connected with a first limiting block clamped with the fixing cylinder, the upper surface of the fixing box is fixedly connected with a fixing ring, and the upper surface of the fixing ring is fixedly connected with a first spring. This instruction pole is used in teaching, through the kinking wheel, the cooperation setting of first rotation pole and stay cord, can make first rotation pole when carrying out anticlockwise rotation, can carry out the unwrapping wire to the stay cord, through first spring, the cooperation setting of telescopic link and first stopper, can make the stay cord when carrying out the unwrapping wire, elasticity through first spring can pop out the telescopic link, and then reached and carried out the purpose that prolongs to the instruction pole, it often does not have the regulation length to have solved current instruction pole, the inconvenient problem of teaching.
Description
Technical Field
The utility model relates to the technical field of teaching instruments, in particular to an indicating rod for teaching.
Background
Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through the activities, teachers purposefully, programmatically and organically guide students to learn and master cultural scientific knowledge and skills, and promote the improvement of the qualities of the students, so that the students become people required by the society.
The teacher often need use the pointer stick at the in-process of imparting knowledge to students, reaches the purpose of the teaching of being convenient for, and current teaching pointer stick often does not have the function of adjusting length, can not rely on the occasion to adjust the length of pointer stick when using, and unusual inconvenient, therefore a pointing stick for teaching is needed to solve above-mentioned problem urgently.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an indicating rod for teaching, which solves the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: an indicating rod for teaching comprises a fixed box, wherein the upper surface of the fixed box is fixedly connected with a fixed cylinder, a telescopic rod is placed in the fixed cylinder, the bottom surface of the telescopic rod is fixedly connected with a first limiting block clamped with the fixed cylinder, the upper surface of the fixed box is fixedly connected with a fixed ring, the upper surface of the fixed ring is fixedly connected with a first spring, one end of the first spring, which is far away from the fixed ring, is fixedly connected with the bottom surface of the first limiting block, the upper surface of the fixed box is provided with a through hole, a stay cord is clamped in the through hole, the left side wall of the fixed box is rotatably connected with a first rotating rod, one end of the first rotating rod, which is far away from the left side wall of the fixed box, penetrates through the right side surface of the fixed box and is rotatably connected with the right side surface of the fixed box, the middle part of the outer surface of an anti-slip strip is fixedly connected with a wire winding wheel, and the outer surface of the wire winding wheel is wound with the stay cord, the utility model discloses a fixing device for fixing a wire winding wheel, including the stay cord, the stay cord is kept away from the one end of kinking wheel and the middle part fixed connection of first stopper bottom surface, the left side fixedly connected with ratchet of first dwang surface, it is connected with the second dwang to rotate between the left side wall of fixed box and the right side wall, the outer fixed surface of second dwang is connected with the fixture block of ratchet looks adaptation, fixedly connected with second spring between the interior back wall of fixture block and fixed box, the back fixedly connected with head rod of fixture block, the one end that the fixture block was kept away from to the head rod articulates there is the second connecting rod, the one end that the head rod was kept away from to the second connecting rod runs through the back of fixed box and in the back joint of fixed box.
As the further description of the technical scheme, the upper surface of the fixed cylinder is fixedly connected with the second limiting block, the inner diameter of the second limiting block is larger than the section diameter of the telescopic rod, the telescopic rod can be effectively prevented from being separated from the inside of the fixed cylinder, and the whole device is more stable.
As a further description of the above technical solution, the bottom surface of the fixed box is fixedly connected with a disc, and the bottom surface of the disc is parallel to the upper surface of the fixed box, so that the hand of an operator can be supported, and the operation is more convenient.
As the further description of the technical scheme, the right end of the first rotating rod is fixedly connected with the handle, the outer surface of the handle is fixedly connected with the anti-slip strips which are uniformly distributed in a circle, so that the anti-slip effect can be achieved on the handle, and the first rotating rod is easier to rotate.
As the further description of the technical scheme, one end of the second connecting rod, which is far away from the first connecting rod, is fixedly connected with the fixing ball, the section diameter of the fixing ball is larger than that of the second connecting rod, so that the second connecting rod can be effectively prevented from completely falling into the fixing box, and the second connecting rod can be more convenient to pull.
As a further description of the above technical solution, a third spring is fixedly connected to an outer surface of the fixing ball, and one end of the third spring, which is far away from the fixing ball, is fixedly connected to an inner rear wall of the fixing box, so that after the fixing ball is pulled out, the fixing ball is automatically reset by releasing a force applied to the fixing ball.
As the further description of the technical scheme, the upper surface of the telescopic rod is fixedly connected with the indicating block, and the cross section of the indicating block is triangular, so that an operator can indicate more conveniently, and the indication is more accurate.
Compared with the prior art, the utility model has the following beneficial effects:
1. this instruction pole is used in teaching, through the kinking wheel, the cooperation setting of first rotation pole and stay cord, can make first rotation pole when carrying out anticlockwise rotation, can carry out the unwrapping wire to the stay cord, through first spring, the cooperation setting of telescopic link and first stopper, can make the stay cord when carrying out the unwrapping wire, elasticity through first spring can pop out the telescopic link, and then reached and carried out the purpose that prolongs to the instruction pole, it often does not have the regulation length to have solved current instruction pole, the inconvenient problem of teaching.
2. This instruction pole is used in teaching, through setting up first stopper, can make the telescopic link carry out more stability when rocking from top to bottom in the inside of a fixed section of thick bamboo, through setting up the second stopper, can effectually avoid the telescopic link to drop from the inside of a fixed section of thick bamboo, through the ratchet, the cooperation setting of fixture block and second spring, can lock the ratchet, and then can lock the rotation of first rotation pole, through first connecting rod, the second connecting rod, the cooperation setting of fixed ball and third spring, can contact the locking of fixture block to the ratchet through the pulling fixed ball, make the kinking wheel can carry out the operation of unwrapping wire, and loosen the power of exerting force to the fixed ball, can make the second connecting rod automatic reset and lock the ratchet.
Drawings
FIG. 1 is a front view of a mounting box of the present invention;
FIG. 2 is a front cross-sectional view of the mounting box of the present invention;
FIG. 3 is a left side sectional view of the retention cartridge of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 3 according to the present invention.
In the figure: 1-fixing the box; 2-a disc; 3-fixing the cylinder; 4-a through hole; 5, a telescopic rod; 6-a first limiting block; 7-a second limiting block; 8-fixing the ring; 9-a first spring; 10-a first turning lever; 11-a handle; 12-anti-slip strips; 13-winding wheel; 14-a pull rope; 15-ratchet wheel; 16-a second swivelling lever; 17-a cartridge; 18-a second spring; 19-a first connecting rod; 20-a second connecting rod; 21-a fixed ball; 22-a third spring; 23-indication block.
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. 1-4, the present invention provides a technical solution: an indicating rod for teaching comprises a fixed box 1, a disc 2 is fixedly connected to the bottom surface of the fixed box 1, the bottom surface of the disc 2 is parallel to the upper surface of the fixed box 1 and can support the hand of an operator, so that the operation is more convenient, a fixed cylinder 3 is fixedly connected to the upper surface of the fixed box 1, a telescopic rod 5 is placed inside the fixed cylinder 3, an indicating block 23 is fixedly connected to the upper surface of the telescopic rod 5, the cross section of the indicating block 23 is triangular, the operator can more conveniently indicate the hand, the indication is more accurate, a first limiting block 6 clamped with the fixed cylinder 3 is fixedly connected to the bottom surface of the telescopic rod 5, the telescopic rod 5 can stably lift, a second limiting block 7 is fixedly connected to the upper surface of the fixed cylinder 3, the inner diameter of the second limiting block 7 is larger than the cross section diameter of the telescopic rod 5, the telescopic rod 5 can be effectively prevented from being separated from the inside of the fixed cylinder 3, the device is more stable, the fixing ring 8 is fixedly connected to the upper surface of the fixing box 1, the first spring 9 is fixedly connected to the upper surface of the fixing ring 8, one end, far away from the fixing ring 8, of the first spring 9 is fixedly connected with the bottom surface of the first limiting block 6, power can be provided for the ascending of the telescopic rod 5, the through hole 4 is formed in the upper surface of the fixing box 1, the pull rope 14 is clamped in the through hole 4, the left side wall of the fixing box 1 is rotatably connected with the first rotating rod 10, one end, far away from the left side wall of the fixing box 1, of the first rotating rod 10 penetrates through the right side face of the fixing box 1 and is rotatably connected with the right side face of the fixing box 1, the handle 11 is fixedly connected to the right end of the first rotating rod 10, the anti-slip strips 12 are uniformly distributed on the outer surface of the handle 11, the anti-slip effect can be achieved on the handle 11, and the first rotating rod 10 is easier in rotating, a winding wheel 13 is fixedly connected to the middle of the outer surface of the antislip strip 12, a pull rope 14 is wound on the outer surface of the winding wheel 13, one end of the pull rope 14, which is far away from the winding wheel 13, is fixedly connected with the middle of the bottom surface of the first limiting block 6, the winding wheel 13 can rotate to tighten the pull rope 14, so that the telescopic rod 5 can be pulled, the telescopic rod 5 can be retracted into the fixed cylinder 3, a ratchet 15 is fixedly connected to the left side of the outer surface of the first rotating rod 10, a second rotating rod 16 is rotatably connected between the left side wall and the right side wall of the fixed box 1, a clamping block 17 which is matched with the ratchet 15 is fixedly connected to the outer surface of the second rotating rod 16, a second spring 18 is fixedly connected between the clamping block 17 and the inner rear wall of the fixed box 1, a first connecting rod 19 is fixedly connected to the back of the clamping block 17, and a second connecting rod 20 is hinged to one end of the first connecting rod 19, which is far away from the clamping block 17, one end of the second connecting rod 20 far away from the first connecting rod 19 penetrates through the back of the fixing box 1 and is clamped on the back of the fixing box 1, the clamping block 17 can be pulled to one side close to the inner back wall of the fixing box 1 by pulling the fixing ball 21, so that the locking of the clamping block 17 on the ratchet wheel 15 can be released, the telescopic rod 5 can ascend, one end of the second connecting rod 20 far away from the first connecting rod 19 is fixedly connected with the fixing ball 21, the section diameter of the fixing ball 21 is larger than that of the second connecting rod 20, the second connecting rod 20 can be effectively prevented from falling into the fixing box 1, the second connecting rod 20 can be more convenient to pull, the outer surface of the fixing ball 21 is fixedly connected with a third spring 22, one end of the third spring 22 far away from the fixing ball 21 is fixedly connected with the inner back wall of the fixing box 1, so that the fixing ball 21 can be pulled out, releasing the force applied to the fixing ball 21 may automatically reposition the fixing ball 21.
The working principle is as follows: when the indicating rod needs to be extended in the teaching process, the fixing ball 21 is firstly pulled, the fixing block 17 can be pulled to one surface close to the inner rear wall of the fixing box 1 through the matching arrangement of the fixing ball 21, the second connecting rod 20, the first connecting rod 19, the fixing block 17 and the second spring 18, so that the fixing block 17 can be contacted with the ratchet wheel 15 for locking, then the handle 11 is rotated anticlockwise, the pulling rope 14 wound on the outer surface of the winding wheel 13 can be paid off, then the effect of lifting the telescopic rod 5 can be achieved through the matching arrangement of the first limiting block 6, the first spring 9 and the fixing ring 8, the telescopic rod 5 can be more stable when being lifted through the arrangement of the first limiting block 6, the telescopic rod 5 can be effectively prevented from falling off from the inside of the fixing cylinder 3 through the arrangement of the second limiting block 7, when the upper surface of the first limiting block 6 is contacted with the bottom surface of the second limiting block 7, the telescopic rod 5 can be stopped to lift, loosen this moment and to the force of applying of fixed ball 21 and can make fixture block 17 lock ratchet 15, make first rotation pole 10 no longer carry out anticlockwise rotation, when needs shrink telescopic link 5, only need clockwise rotation handle 11 both can, operation convenience very has solved current teaching indication pole and often does not have length adjustment, the inconvenient problem of teaching.
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.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an instruction pole is used in teaching, includes fixed box (1), its characterized in that: the upper surface of the fixed box (1) is fixedly connected with a fixed cylinder (3), a telescopic rod (5) is placed in the fixed cylinder (3), the bottom surface of the telescopic rod (5) is fixedly connected with a first limiting block (6) clamped with the fixed cylinder (3), the upper surface of the fixed box (1) is fixedly connected with a fixed ring (8), the upper surface of the fixed ring (8) is fixedly connected with a first spring (9), one end of the first spring (9), far away from the fixed ring (8), is fixedly connected with the bottom surface of the first limiting block (6), the upper surface of the fixed box (1) is provided with a through hole (4), a pull rope (14) is clamped in the through hole (4), the left side wall of the fixed box (1) is rotatably connected with a first rotating rod (10), one end of the first rotating rod (10), far away from the left side wall of the fixed box (1), penetrates through the right side surface of the fixed box (1) and is rotatably connected with the right side surface of the fixed box (1), the middle part of the outer surface of the anti-slip strip (12) is fixedly connected with a winding wheel (13), the outer surface of the winding wheel (13) is wound with a pull rope (14), one end of the pull rope (14), far away from the winding wheel (13), is fixedly connected with the middle part of the bottom surface of a first limiting block (6), the left side of the outer surface of a first rotating rod (10) is fixedly connected with a ratchet wheel (15), a second rotating rod (16) is rotatably connected between the left side wall and the right side wall of the fixed box (1), the outer surface of the second rotating rod (16) is fixedly connected with a clamping block (17) matched with the ratchet wheel (15), a second spring (18) is fixedly connected between the clamping block (17) and the inner rear wall of the fixed box (1), the back surface of the clamping block (17) is fixedly connected with a first connecting rod (19), one end, far away from the clamping block (17), of the first connecting rod (19) is hinged with a second connecting rod (20), one end, far away from the first connecting rod (19), of the second connecting rod (20) penetrates through the back face of the fixed box (1) and is clamped on the back face of the fixed box (1).
2. An instructional indicator stick as claimed in claim 1, wherein: the upper surface of the fixed cylinder (3) is fixedly connected with a second limiting block (7), and the inner diameter of the second limiting block (7) is larger than the section diameter of the telescopic rod (5).
3. An instructional indicator stick as claimed in claim 1, wherein: the bottom surface fixedly connected with disc (2) of fixed box (1), the bottom surface of disc (2) is parallel with the upper surface of fixed box (1).
4. An instructional indicator stick as claimed in claim 1, wherein: the right end of the first rotating rod (10) is fixedly connected with a handle (11), and the outer surface of the handle (11) is fixedly connected with a circle of evenly distributed anti-slip strips (12).
5. An instructional indicator stick as claimed in claim 1, wherein: one end, far away from the first connecting rod (19), of the second connecting rod (20) is fixedly connected with a fixing ball (21), and the section diameter of the fixing ball (21) is larger than that of the second connecting rod (20).
6. An instructional indicator stick as claimed in claim 5, wherein: the outer surface of the fixing ball (21) is fixedly connected with a third spring (22), and one end, far away from the fixing ball (21), of the third spring (22) is fixedly connected with the inner rear wall of the fixing box (1).
7. An instructional indicator stick as claimed in claim 1, wherein: the upper surface of the telescopic rod (5) is fixedly connected with an indicating block (23), and the cross section of the indicating block (23) is triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121487268.4U CN216119157U (en) | 2021-07-01 | 2021-07-01 | Indicating rod for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121487268.4U CN216119157U (en) | 2021-07-01 | 2021-07-01 | Indicating rod for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216119157U true CN216119157U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121487268.4U Active CN216119157U (en) | 2021-07-01 | 2021-07-01 | Indicating rod for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216119157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887945A (en) * | 2022-05-19 | 2022-08-12 | 杭州互动冰雪文化旅游发展有限公司 | Effectual rockery cleaning device of clearance |
| CN114939562A (en) * | 2022-05-19 | 2022-08-26 | 杭州互动冰雪文化旅游发展有限公司 | Cleaning device convenient to clearance rockery surface |
-
2021
- 2021-07-01 CN CN202121487268.4U patent/CN216119157U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887945A (en) * | 2022-05-19 | 2022-08-12 | 杭州互动冰雪文化旅游发展有限公司 | Effectual rockery cleaning device of clearance |
| CN114939562A (en) * | 2022-05-19 | 2022-08-26 | 杭州互动冰雪文化旅游发展有限公司 | Cleaning device convenient to clearance rockery surface |
| CN114939562B (en) * | 2022-05-19 | 2023-12-08 | 杭州互动冰雪文化旅游发展有限公司 | Cleaning device convenient to clearance rockery surface |
| CN114887945B (en) * | 2022-05-19 | 2023-12-29 | 杭州互动冰雪文化旅游发展有限公司 | Rockery cleaning device with good cleaning effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230901 Address after: Room 701, Building 3, Zhongde New Energy, Aoshanwei Street, Jimo District, Qingdao City, Shandong Province, 266000 Patentee after: Qingdao Yasheng Wentai Education Service Co.,Ltd. Address before: 641400 No. 22, group 3, Ma'an village, Xinshi Town, Jianyang City, Chengdu City, Sichuan Province Patentee before: Li Ming |
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| TR01 | Transfer of patent right |