CN214620912U

CN214620912U - Vernier caliper for students

Info

Publication number: CN214620912U
Application number: CN202120987309.XU
Authority: CN
Inventors: 王卓然; 薄飒锐
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-05
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a vernier caliper for student, including main scale and vernier, the vernier both sides set up the pressing component, press during the pressing component, but relative slip between main scale and the vernier is not pressed during the pressing component, be difficult for relative slip between main scale and the vernier, the utility model discloses a locking that the vernier can be convenient is on the main scale, and the protection student is not by the fish tail.

Description

Vernier caliper for students

Technical Field

The utility model belongs to the technical field of the study article technique and specifically relates to a student uses slide caliper.

Background

A vernier caliper is a measuring tool for measuring length, inner diameter, outer diameter and depth, and each student needs to learn the reading of the vernier caliper. The school can buy the vernier caliper in unison, distribute to the student during study, and mr explains on the podium, lets the student operate by oneself. After the vernier caliper is used for a long time, the friction force between the main scale and the vernier caliper is reduced, and after the length of an object is measured, the vernier caliper is very easy to slide when the vernier caliper is taken down, so that the measuring structure is inaccurate; although the vernier caliper is provided with a bolt for locking, the vernier caliper is usually held by a right hand when being used, the bolt needs to be screwed by a left hand, and the vernier caliper is easily scratched by a sharp inner measuring claw.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a not enough to prior art for the student uses slide caliper, and the vernier can be convenient the locking on the main scale, protects the student not by the fish tail.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a vernier caliper for student, includes main scale and vernier scale, the vernier scale both sides set up presses the subassembly, press during the subassembly is pressed, but relative slip between main scale and the vernier scale, do not press during the subassembly is pressed, not relative slip between main scale and the vernier scale.

Further, the pressing component comprises a first pressing block and a second pressing block, the first pressing block and the second pressing block synchronously move in the opposite direction, a through hole which is used for enabling the first pressing block to move up and down and enabling the second pressing block to move up and down is formed in the vernier scale, a compression spring is vertically arranged between the bottom surface of the first pressing block and is right when the first pressing block is pressed down, the second pressing block is not in contact with the main scale and is not right when the first pressing block is applied, and the second pressing block penetrates through the through hole to be in contact with the main scale.

Furthermore, a connecting rod is rotatably connected between the first pressing block and the second pressing block, the middle of the connecting rod is rotatably connected to the vernier through a rotating shaft, and the rotating shaft is statically connected with the vernier.

Furthermore, two sides of the second pressing block are respectively connected with the second pressing block in a rotating mode through the first connecting rod, the top of the first pressing block is connected with the pressing plate in a static mode, and the two sides of the pressing plate are vertically provided with the first baffle.

Furthermore, two sides of the end part of the vernier are provided with a second baffle, and the second baffle is in contact with the end surfaces of the pressing plate and the first baffle.

Furthermore, a high-friction coating is arranged on the end face of the second pressing block, which is in contact with the main scale.

The utility model has the advantages that:

1. the utility model provides a vernier caliper for students, which is characterized in that a pressing plate is pressed, a first pressing block moves towards a main scale synchronously, a compression spring is compressed, a second pressing block is far away from the main scale under the action of a connecting rod, and the vernier caliper can slide on the main scale at the moment; the pressing plate is loosened, the first pressing block is synchronously far away from the main scale under the action of the elastic potential energy of the compression spring, the second pressing block is tightly attached to the main scale under the action of the connecting rod, the attaching surface generates large friction force, the main scale and the vernier scale cannot easily slide, a student does not need to screw a bolt to fix the vernier scale, and the student is effectively prevented from being scratched by the inner measuring claw when the vernier scale is locked.

2. Two sides of the end part of the vernier are provided with a second baffle, the second baffle is in contact with the end faces of the pressing plate and the first baffle, a closed space is formed between the first baffle, the second baffle, the pressing plate and the main ruler, the first pressing block, the second pressing block and the connecting assembly of the first pressing block are located in the space, dust and impurities are not prone to falling into the space, and the locking effect of the pressing assembly is guaranteed.

3. The high-friction coating is arranged on the bottom surface of the second pressing block, so that the friction force between the second pressing block and the main scale is increased, and the locking effect of the pressing assembly is good.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic view of a pressing assembly;

FIG. 3 is a schematic view of a connection structure of a first pressing block and a second pressing block;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

the device comprises a main scale 1, a vernier scale 2, a first pressing block 3, a second pressing block 4, a clearing groove 5, a through hole 6, a compression spring 7, a connecting rod 8, a pressing plate 9, a first baffle plate 10, a second baffle plate 11, a rotating shaft 12 and a communicating groove 13.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in figures 1-3, a vernier caliper for students comprises a main scale 1 and a vernier scale 2, wherein a pressing component is arranged on two sides of the vernier scale 2, the structure of the pressing component is shown in figure 2, the pressing component comprises a first pressing block 3 and a second pressing block 4, the first pressing block 3 and the second pressing block 4 synchronously move in opposite directions, two sides of the second pressing block 4 are respectively rotatably connected with the second pressing block 4 through a connecting rod 8, as shown in fig. 3, two ends of a connecting rod 8 are rotatably connected with a first pressing block 3 and a second pressing block 4 respectively, a rotating shaft 12 is inserted in the middle of the connecting rod 8, a cleaning groove 5 for the first pressing block 3 to move up and down and a through hole 6 for the second pressing block 4 to move up and down are arranged on a vernier 2, a communicating groove 13 matched with the connecting rod 8 is processed between the cleaning groove 5 and the through hole 6, the rotating shaft 12 is bonded in the communicating groove 13, and when the two first pressing blocks 3 synchronously move up and down, the second pressing block 4 and the first pressing block 3 synchronously move in the opposite direction; clear away and set up compression spring 7 between 5 bottom surfaces of groove and briquetting 3 perpendicularly, under compression spring 7's effect, when pushing down briquetting 3 application of force, briquetting two 4 do not contact with main scale 1, when not pushing down briquetting 3 application of force, briquetting two 4 pass through-hole 6 and contact with main scale 1, in order to guarantee that two briquetting 3 reciprocate in step, bond clamp plate 9 between briquetting 3 tops. The first baffle 10 is vertically arranged on two sides of the pressing plate 9, and the first baffle 10 is in contact with the vernier scale 2 to prevent the pressing plate 9 from pressing the fingers of a student when being pressed down.

The using method of the embodiment comprises the following steps: pressing the pressing plate 9, enabling the first pressing block 3 to synchronously move towards the main scale 1, compressing the compression spring 7, enabling the second pressing block 4 to be far away from the main scale 1 under the action of the connecting rod 8, and enabling the vernier scale 2 to slide on the main scale 1 at the moment; loosening the pressing plate 9, the main scale 1 is kept away from synchronously to the second pressing block 4 under the elastic potential energy of the compression spring 7, the second pressing block 4 is tightly attached to the main scale 1 under the action of the connecting rod 8, in order to increase the friction force of the attaching surface, a high-friction coating is laid on the end face, in contact with the main scale 1, of the second pressing block 4, the main scale 1 and the vernier scale 2 cannot slide easily, in the embodiment, a student does not need to screw a bolt tightly to fix the vernier scale 2, and the student is effectively prevented from being scratched by an inner measuring claw when the vernier scale 2 is locked.

Example two

As shown in fig. 4, the second embodiment of the present invention is different from the first embodiment in that two sides of the end of the vernier 2 are bonded with the second L-shaped baffle 11, the vertical plate of the second baffle 11 contacts with the end surfaces of the pressing plate 9 and the first baffle 10, a closed space is formed between the first baffle 10, the vertical plate of the second baffle 11, the pressing plate 9 and the main scale 1, the first pressing block 3, the second pressing block 4 and the connecting assembly thereof are located in the space, dust and impurities are not easy to fall into the space, and the locking effect of the pressing assembly is ensured; the contact area between the hands and the first baffle 10 is increased by the transverse plate of the second baffle 11, and the vertical plate of the second baffle 11 is prevented from pressing against the hands of students.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a student uses slide caliper, includes main scale (1) and vernier (2), its characterized in that, vernier (2) both sides set up presses the subassembly, press during the subassembly of pressing, but relative slip between main scale (1) and vernier (2), do not press during the subassembly of pressing, not relative slip between main scale (1) and vernier (2).

2. The vernier caliper for students according to claim 1, wherein the pressing component comprises a first pressing block (3) and a second pressing block (4), the first pressing block (3) and the second pressing block (4) synchronously move in opposite directions, the vernier caliper (2) is provided with a cleaning groove (5) for the first pressing block (3) to move up and down and a through hole (6) for the second pressing block (4) to move up and down, a compression spring (7) is vertically arranged between the bottom surface of the cleaning groove (5) and the first pressing block (3), the second pressing block (4) is not in contact with the main scale (1) when the first pressing block (3) is pressed down, and the second pressing block (4) passes through the through hole (6) to be in contact with the main scale (1) when the first pressing block (3) is not pressed.

3. The vernier caliper for students according to claim 2, wherein a connecting rod (8) is rotatably connected between the first pressing block (3) and the second pressing block (4), the middle part of the connecting rod (8) is rotatably connected to the vernier scale (2) through a rotating shaft (12), and the rotating shaft (12) is statically connected with the vernier scale (2).

4. The vernier caliper for students according to claim 3, wherein two sides of the second pressing block (4) are respectively rotatably connected with the second pressing block (4) through a connecting rod (8), the top of the first pressing block (3) is statically connected with a pressing plate (9), and two sides of the pressing plate (9) are vertically provided with a first baffle (10).

5. The vernier caliper for students according to claim 4, wherein two baffle plates (11) are arranged on two sides of the end part of the vernier caliper (2), and the baffle plates (11) are in contact with the end surfaces of the pressure plate (9) and the baffle plate I (10).

6. The vernier caliper for students according to claim 2, wherein a high friction coating is provided on the end surface of the second pressing block (4) contacting with the main scale (1).