CN213676150U

CN213676150U - Portable ruler for teaching

Info

Publication number: CN213676150U
Application number: CN202022794856.4U
Authority: CN
Inventors: 刘世利
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-13
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a portable chi is used in teaching, including main ruler, the slider has been placed to the top of main ruler, the inferior ruler of bottom surface fixedly connected with of slider, the bottom surface of slider contacts with the upper surface of main ruler, the joint groove has been seted up to the upper surface of main ruler, the screw hole has been seted up in the front of main ruler, the inner wall threaded connection of screw hole has the threaded rod, two symmetrical fixed slots have been seted up to the inside wall in joint groove. The portable ruler for teaching is clamped to the corresponding ruler by the clamping groove, and the ruler is collected, so that the portable ruler is convenient for teachers to carry; the ruler in the clamping groove can be fixed through the mutual matching of the fixing block and the elastic spring, and the ruler hole is prevented from sliding down in the clamping groove; through the mutual cooperation of sliding plate and fixed slot, make the fixed block slide more stably in the inside of guiding hole, strengthened the quality and the convenience in use of this portable chi.

Description

Portable ruler for teaching

Technical Field

The utility model belongs to the technical field of teaching aid, especially, relate to a portable chi is used in teaching.

Background

In the teaching process of education, a teacher often uses various teaching aids, and a teaching ruler is used when lines are drawn on a blackboard, the existing teaching ruler is generally large in size, and the teacher is inconvenient to carry in class. In order to solve the problems, a portable ruler for teaching is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable chi is used in teaching aims at solving the aforesaid and has the current teaching ruler size great, and the teacher carries inconvenient problem on class.

The utility model discloses a realize like this, a portable chi is used in teaching, including main ruler, the slider has been placed to the top of main ruler, the inferior ruler of bottom surface fixedly connected with of slider, the bottom surface of slider contacts with the upper surface of main ruler, the joint groove has been seted up to the upper surface of main ruler, threaded hole has been seted up in the front of main ruler, the inner wall threaded connection of screw hole has the threaded rod, two symmetrical fixed slots, every are seted up to the inside wall in joint groove the equal fixedly connected with baffle of inside wall of fixed slot, every the guiding hole has all been seted up in the front of baffle, every the equal fixedly connected with elasticity spring of inside wall of fixed slot, it is two sets of the equal fixedly connected with sliding plate in a side that elasticity spring is close to each other, it is two sets of the equal fixedly connected with fixed block in a side that the sliding plate is close to each other, it is two sets of The inside joint in joint groove has the set square, the inside joint in joint groove has straight set square, the inside joint in joint groove has the bevel protractor, the through-hole has all been seted up to the front of straight set square and the front of set square.

Preferably, the front face of the main ruler is fixedly connected with a connecting sheet, and the front face of the connecting sheet is fixedly connected with a label.

Preferably, the front of the main ruler is provided with a suspension piece, and the front of the suspension piece is fixedly connected with a suspension ring.

Preferably, the upper surface of the main ruler is fixedly connected with two symmetrical check blocks, and two groups of side surfaces, close to each other, of the check blocks are fixedly connected with rubber pads respectively.

Preferably, the front face of the secondary ruler is fixedly connected with a rubber sheet, and the thickness of the rubber sheet is zero five millimeters.

Preferably, symmetrical sliding grooves are formed in the inner side wall of each fixing groove, sliding blocks are fixedly connected to the upper surfaces of the sliding plates and the bottom surfaces of the sliding plates, and each sliding block is clamped inside each sliding groove.

Preferably, the bottom surface of slider fixedly connected with deflector, the bottom surface of deflector contacts with the inner bottom wall in joint groove.

Compared with the prior art, the beneficial effects of the utility model are that: the auxiliary ruler moves above the main ruler through the mutual matching of the main ruler, the sliding block and the auxiliary ruler, so that the functions of the ruler are increased, the portable ruler is more practical, and the combination of the teacher ruler and the set square is facilitated by the mutual matching of the threaded rod, the threaded hole and the through hole, so that a teacher can conveniently draw pictures; the ruler is clamped to the corresponding ruler by the clamping groove, and the ruler is collected, so that the ruler is convenient for teachers to carry; the ruler in the clamping groove can be fixed through the mutual matching of the fixing block and the elastic spring, and the ruler hole is prevented from sliding down in the clamping groove; through the mutual cooperation of sliding plate and fixed slot, make the fixed block slide more stably in the inside of guiding hole, strengthened the quality and the convenience in use of this portable chi.

Drawings

Fig. 1 is a front view of the main ruler of the present invention;

fig. 2 is a sectional view of a side view of the main straightedge of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. a main straightedge; 2. a secondary ruler; 3. a slider; 4. a rubber sheet; 5. a regular triangle ruler; 6. a straight triangular ruler; 7. an angle ruler; 8. a through hole; 9. a stopper; 10. a rubber pad; 11. a threaded rod; 12. a label; 13. connecting sheets; 14. hanging the sheet; 15. hanging a ring; 16. a slider; 17. a sliding groove; 18. a sliding plate; 19. a guide hole; 20. a fixed block; 21. a baffle plate; 22. an elastic spring; 23. fixing grooves; 24. a clamping groove; 25. a threaded hole; 26. a guide plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Please refer to fig. 1-3, a portable ruler for teaching, comprising a main ruler 1, a slider 3 is placed above the main ruler 1, a bottom surface fixedly connected with secondary ruler 2 of the slider 3, the bottom surface of the slider 3 contacts with the upper surface of the main ruler 1, a clamping groove 24 is formed on the upper surface of the main ruler 1, a threaded hole 25 is formed in the front surface of the main ruler 1, an inner wall thread of the threaded hole 25 is connected with a threaded rod 11, two symmetrical fixing grooves 23 are formed in the inner side wall of the clamping groove 24, a baffle plate 21 is fixedly connected to the inner side wall of each fixing groove 23, a guide hole 19 is formed in the front surface of each baffle plate 21, an elastic spring 22 is fixedly connected to the inner side wall of each fixing groove 23, sliding plates 18 are fixedly connected to a side surface adjacent to each other of the two sliding plates 18, fixing blocks 20 are fixedly connected to a side surface adjacent to each other of the two sliding plates 18, one ends The inside joint in joint groove 24 has set square 5, and the inside joint in joint groove 24 has straight set square 6, and the inside joint in joint groove 24 has bevel protractor 7, and through-hole 8 has all been seted up in the front of straight set square 6 and the front of set square 5.

The utility model discloses in, main ruler 1's positive fixedly connected with connection piece 13, connection piece 13's positive fixedly connected with sign 12, it knows this portable chi more to provide sign 12 messenger user, convenient to use person's use, suspension piece 14 has been seted up in main ruler 1's front, suspension piece 14's positive fixedly connected with link 15, deposit to this portable chi through link 15 convenient to use person, for the user facilitates, main ruler 1's last fixed surface is connected with two symmetrical dog 9, a side difference fixedly connected with rubber pad 10 that two sets of dog 9 are close to each other, mutually support through dog 9 and rubber pad 10 and carry on spacingly to inferior ruler 2, protect portable chi.

The positive fixedly connected with sheet rubber 4 of inferior ruler 2, the thickness of sheet rubber 4 is five millimeters at zero, utilize sheet rubber 4 to protect inferior ruler 2, prevent that inferior ruler 2 from scraping the flower, symmetrical sliding tray 17 has all been seted up to the inside wall of every fixed slot 23, the equal fixedly connected with sliding block 16 in bottom surface of the upper surface of every sliding plate 18 and every sliding plate 18, every group sliding block 16 joint respectively in the inside of every group sliding tray 17, mutually support through sliding block 16 and sliding tray 17, it is more stable to make sliding plate 18's removal, the bottom surface fixedly connected with deflector 26 of slider 3, the bottom surface of deflector 26 contacts with the inner bottom wall in joint groove 24, it is more stable to make the slip of inferior ruler 2 through deflector 26, increase the gliding stability of inferior ruler 2.

The utility model discloses a theory of operation is: during the use, at first take out secondary ruler 2 from the inside of joint groove 24, utilize slider 3 and the mutual joint of main ruler 1, make slider 3 can remove in the top of main ruler 1, when needs use set square 5 and straight set square 6, take out set square 5 and straight set square 6 from the inside of joint groove 24, the teacher's of being convenient for use, perhaps utilize through-hole 8 and threaded rod 11 to contact, set square 5 and straight set square 6 are adjusted well and are spacing, facilitate for the teacher, various figures of drawing. When the ruler is not used, the ruler is clamped in the clamping groove 24, the ruler is made to move to the deep part of the clamping groove 24, when the ruler is in contact with the fixing block 20, the fixing block 20 is made to move in the opposite direction, the ruler is continuously reinforced by the elasticity of the elastic spring 22, and therefore a teacher can conveniently carry the ruler.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a portable chi is used in teaching, includes main ruler (1), its characterized in that: the sliding block (3) is placed above the main ruler (1), the bottom surface of the sliding block (3) is fixedly connected with the secondary ruler (2), the bottom surface of the sliding block (3) is in contact with the upper surface of the main ruler (1), the upper surface of the main ruler (1) is provided with a clamping groove (24), the front of the main ruler (1) is provided with a threaded hole (25), the inner wall of the threaded hole (25) is in threaded connection with a threaded rod (11), the inner side wall of the clamping groove (24) is provided with two symmetrical fixing grooves (23), the inner side wall of each fixing groove (23) is fixedly connected with a baffle (21), the front of each baffle (21) is provided with a guide hole (19), the inner side wall of each fixing groove (23) is fixedly connected with an elastic spring (22), and one side faces of the two groups of elastic springs (22) which are close to each other are fixedly, two sets of the equal fixedly connected with fixed block (20) in the side that sliding plate (18) are close to each other, it is two sets of the one end that fixed block (20) are close to each other runs through two sets of guiding holes (19) respectively and extends to the inside in joint groove (24), the inside joint of joint groove (24) has set square (5), the inside joint of joint groove (24) has set square (6), the inside joint of joint groove (24) has angle square (7), through-hole (8) have all been seted up in the front of set square (6) and the front of set square (5).

2. A portable ruler for teaching as claimed in claim 1, wherein: the front of the main ruler (1) is fixedly connected with a connecting sheet (13), and the front of the connecting sheet (13) is fixedly connected with a label (12).

3. A portable ruler for teaching as claimed in claim 1, wherein: the front of the main ruler (1) is provided with a hanging piece (14), and the front of the hanging piece (14) is fixedly connected with a hanging ring (15).

4. A portable ruler for teaching as claimed in claim 1, wherein: the upper surface of the main ruler (1) is fixedly connected with two symmetrical check blocks (9), and two groups of side surfaces, close to each other, of the check blocks (9) are fixedly connected with rubber pads (10) respectively.

5. A portable ruler for teaching as claimed in claim 1, wherein: the front face of the secondary ruler (2) is fixedly connected with a rubber sheet (4), and the thickness of the rubber sheet (4) is zero five millimeters.

6. A portable ruler for teaching as claimed in claim 1, wherein: symmetrical sliding grooves (17) are formed in the inner side wall of each fixing groove (23), sliding blocks (16) are fixedly connected to the upper surface of each sliding plate (18) and the bottom surface of each sliding plate (18), and each sliding block (16) is clamped inside each sliding groove (17) respectively.

7. A portable ruler for teaching as claimed in claim 1, wherein: the bottom surface fixedly connected with deflector (26) of slider (3), the bottom surface of deflector (26) contacts with the inner bottom wall of joint groove (24).