CN220931894U

CN220931894U - Vernier caliper with high accuracy

Info

Publication number: CN220931894U
Application number: CN202322495539.6U
Authority: CN
Inventors: 陈明刚; 孙建勇; 侯建; 李常奇
Original assignee: Shanghai Kuali Body System Technology Co ltd
Current assignee: Shanghai Kuali Body System Technology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-05-10
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses a vernier caliper with high precision, and particularly relates to the technical field of vernier calipers.

Description

Vernier caliper with high accuracy

Technical Field

The utility model relates to the technical field of vernier calipers, in particular to a vernier caliper with high accuracy.

Background

The vernier caliper is a measuring tool for measuring length, inner diameter, outer diameter and depth, and consists of a main scale and a vernier which is attached to the main scale and can slide.

The scale on the prior art vernier caliper is arranged to be smaller and smaller, so that the reading is inconvenient, a user with poor eyesight cannot read rapidly and accurately, and the practicability of the vernier caliper is reduced.

In order to solve the problems, the prior art adopts a mode that a user closely looks at the vernier caliper for processing, and the utility model adopts another mode for processing.

Disclosure of utility model

The utility model provides a vernier caliper with high accuracy, which aims to solve the problems that the scale on the vernier caliper is arranged to be smaller, so that the reading is inconvenient, a user with poor eyesight cannot read the vernier caliper quickly and accurately, and the practicability of the vernier caliper is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a slide caliper that accuracy is high, includes main scale and auxiliary device, the first limiting plate of one end fixedly connected with of main scale, the surface sliding connection of main scale has the vernier auxiliary scale, the bottom fixedly connected with second limiting plate of vernier auxiliary scale, fixing bolt has been inserted to the upper surface screw thread of vernier auxiliary scale, the bottom of vernier auxiliary scale is equipped with viewing device with the help of auxiliary device, viewing device includes the fixed plate, the fixed plate is with the bottom of auxiliary device fixed connection at the vernier auxiliary scale, the surface sliding connection of fixed plate has the movable plate, one side fixedly connected with fixed frame of movable plate, the inner wall fixedly connected with magnifying glass of fixed frame.

The effects achieved by the components are as follows: when the scale on the main scale and the vernier auxiliary scale is required to be watched through the watching device, the moving plate is pushed to move to the scale position requiring reading along with the fixed frame, the scale is watched through the magnifying glass in the fixed frame, the reading which cannot be accurately performed by a user with poor eye concentration is avoided as much as possible, and the practicability of the vernier caliper is improved.

Preferably, a sliding block is fixedly connected to one side of the moving plate, a sliding groove is formed in the position, corresponding to the sliding block, of the fixed plate, and the size of the sliding groove is matched with that of the sliding block.

The effects achieved by the components are as follows: through the slider on the movable plate moving in the spout, reached and carried out the effect that limits to the movable plate direction of movement, avoided the movable plate to take place to rotate as far as possible, improved the stability that the movable plate moved.

Preferably, one side of the moving plate is fixedly connected with an inclined rod, and one end of the inclined rod, which is far away from the moving plate, is fixedly connected with the fixed frame.

The effects achieved by the components are as follows: through the dead lever and movable plate and the fixed frame that set up form stable triangle-shaped structure, improved the stability of fixed frame, avoid the fixed frame to take place to rock as far as possible.

Preferably, a pull ring is fixedly connected to one side of the moving plate, and the section of the pull ring is circular.

The effects achieved by the components are as follows: the effect that the convenient staff removed the movable plate has been reached through setting up the pull ring, brings convenience for the staff.

Preferably, the auxiliary device is arranged at the bottom of the vernier auxiliary ruler, the auxiliary device comprises a base plate, the base plate is fixedly connected at the bottom of the vernier auxiliary ruler, a plug pin is arranged on the surface of the base plate in a sliding manner, a jack is formed in the position, corresponding to the plug pin, of the fixing plate, the size of the plug pin is matched with the size of the jack, two locating rods are fixedly connected with the top of the fixing plate, the two locating rods are in central symmetry, locating holes are formed in the position, corresponding to the locating rods, of the vernier auxiliary ruler, and the size of the locating rods is matched with the size of the locating holes.

The effects achieved by the components are as follows: two locating rods on the fixed plate are inserted into locating holes of the vernier auxiliary ruler through the auxiliary device, the bolt on the base plate is moved again, and the bolt is inserted into the jack of the fixed plate, so that the effect of fixing the fixed plate is achieved, and a user can detach the fixed plate conveniently when a magnifying glass is not needed.

Preferably, one end of the positioning rod, which is far away from the fixing plate, is fixedly connected with a pointed protrusion, and the pointed protrusion is far away from the positioning rod.

The effects achieved by the components are as follows: the positioning rod is conveniently inserted into the positioning hole by a worker through the pointed bulge, so that convenience is brought to the worker.

Preferably, the end of the bolt, which is far away from the jack, is fixedly connected with a pull rope, and the end of the pull rope, which is far away from the bolt, is fixedly connected with the base plate.

The effects achieved by the components are as follows: the effect of limiting the maximum displacement of the bolt is achieved by arranging the pull rope, and the bolt is prevented from falling off from the backing plate as much as possible.

In summary, the beneficial effects of the utility model are as follows:

When the scale on the main scale and the vernier auxiliary scale is required to be watched through the watching device, the moving plate is pushed to move to the scale position requiring reading along with the fixed frame, the scale is watched through the magnifying glass in the fixed frame, the reading which cannot be accurately performed by a user with poor eye concentration is avoided as much as possible, and the practicability of the vernier caliper is improved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of a viewing device of the present utility model.

Fig. 3 is a rear perspective view of the fixing plate of the present utility model.

Fig. 4 is a perspective view of the vernier scale of the present utility model.

Fig. 5 is an enlarged view of fig. 4 at a in accordance with the present utility model.

Reference numerals illustrate:

1. A main scale; 2. a first limiting plate; 3. a vernier auxiliary scale; 4. a second limiting plate; 5. a fixing bolt; 6. a viewing device; 61. a fixing plate; 62. a moving plate; 63. a fixed frame; 64. a magnifying glass; 65. a chute; 66. a slide block; 67. a diagonal rod; 68. a pull ring; 7. an auxiliary device; 71. a backing plate; 72. a plug pin; 73. a jack; 74. a positioning rod; 75. positioning holes; 76. a pull rope; 77. and (5) the tip is convex.

Detailed Description

Referring to fig. 1-5, this embodiment discloses a vernier caliper with high accuracy, including main scale 1 and auxiliary device 7, the one end fixedly connected with first limiting plate 2 of main scale 1, the surface sliding connection of main scale 1 has vernier auxiliary scale 3, the bottom fixedly connected with second limiting plate 4 of vernier auxiliary scale 3, the upper surface screw thread of vernier auxiliary scale 3 has inserted fixing bolt 5, the bottom of vernier auxiliary scale 3 is equipped with viewing device 6 with the help of auxiliary device 7, auxiliary device 7 establishes in the bottom of vernier auxiliary scale 3.

Referring to fig. 1-5, the embodiment discloses that the viewing device 6 includes a fixing plate 61, the fixing plate 61 is fixedly connected to the bottom of the vernier scale 3 by means of an auxiliary device 7, a moving plate 62 is slidably connected to the surface of the fixing plate 61, a fixing frame 63 is fixedly connected to one side of the moving plate 62, and a magnifying glass 64 is fixedly connected to the inner wall of the fixing frame 63. When the scales on the main scale 1 and the vernier auxiliary scale 3 are required to be watched through the watching device 6, the moving plate 62 is pushed, the moving plate 62 moves to the scale position requiring reading along with the fixed frame 63, the scales are watched through the magnifying glass 64 in the fixed frame 63, the fact that users with poor eye concentration cannot accurately read is avoided as much as possible, and the practicability of the vernier caliper is improved.

Referring to fig. 1-5, this embodiment discloses that a sliding block 66 is fixedly connected to one side of the moving plate 62, a sliding groove 65 is formed in the position of the fixed plate 61 corresponding to the sliding block 66, and the size of the sliding groove 65 is adapted to the size of the sliding block 66. The sliding block 66 on the moving plate 62 moves in the sliding groove 65, so that the effect of limiting the moving direction of the moving plate 62 is achieved, the moving plate 62 is prevented from rotating as much as possible, and the moving stability of the moving plate 62 is improved. One side of the moving plate 62 is fixedly connected with a diagonal rod 67, and one end of the diagonal rod 67 away from the moving plate 62 is fixedly connected with the fixed frame 63. Through the inclined rod 67 and the movable plate 62 and the fixed frame 63 which are arranged, a stable triangle structure is formed, the stability of the fixed frame 63 is improved, and the fixed frame 63 is prevented from shaking as much as possible. A pull ring 68 is fixedly connected to one side of the moving plate 62, and the cross section of the pull ring 68 is circular. By providing the pull ring 68, the effect of facilitating the movement of the moving plate 62 by the worker is achieved, and convenience is brought to the worker.

Referring to fig. 1-5, this embodiment discloses an auxiliary device 7 including a backing plate 71, the backing plate 71 is fixedly connected at the bottom of a vernier auxiliary ruler 3, a plug pin 72 is slidably inserted on the surface of the backing plate 71, a jack 73 is formed at a position of a fixing plate 61 corresponding to the plug pin 72, the size of the plug pin 72 is matched with the size of the jack 73, two positioning rods 74 are fixedly connected at the top of the fixing plate 61, the two positioning rods 74 are in central symmetry, a positioning hole 75 is formed at a position of the vernier auxiliary ruler 3 corresponding to the positioning rod 74, and the size of the positioning rod 74 is matched with the size of the positioning hole 75. Two positioning rods 74 on the fixed plate 61 are inserted into positioning holes 75 of the vernier auxiliary ruler 3 through the auxiliary device 7, the bolts 72 on the base plate 71 are moved, and the bolts 72 are inserted into inserting holes 73 of the fixed plate 61, so that the effect of fixing the fixed plate 61 is achieved, and a user can detach the fixed plate 61 conveniently when the magnifying glass 64 is not needed.

Referring to fig. 1-5, this embodiment discloses that the end of the positioning rod 74 remote from the fixing plate 61 is fixedly connected with a pointed protrusion 77, and the pointed end of the pointed protrusion 77 is remote from the positioning rod 74. By arranging the sharp protrusions 77, convenience is brought to the worker for inserting the positioning rod 74 into the positioning hole 75, and convenience is brought to the worker. One end of the bolt 72 far away from the jack 73 is fixedly connected with a pull rope 76, and one end of the pull rope 76 far away from the bolt 72 is fixedly connected with the backing plate 71. The stay 76 is provided to limit the maximum displacement of the latch 72, thereby preventing the latch 72 from falling off the pad 71 as much as possible.

The working principle is as follows: firstly, two positioning rods 74 on the fixing plate 61 are inserted into positioning holes 75 of the vernier auxiliary ruler 3 by means of sharp protrusions 77, then the bolts 72 on the base plate 71 are moved, the bolts 72 are inserted into insertion holes 73 of the fixing plate 61, the fixing effect of the fixing plate 61 is achieved, the pull ropes 76 on the bolts 72 achieve the effect of limiting the maximum displacement of the bolts 72, the bolts 72 are prevented from falling off from the base plate 71 as far as possible, and the fixing plate 61 is conveniently detached by a user when the magnifying glass 64 is not needed through the auxiliary device 7. When measuring the article, place the article between the first limiting plate 2 of main scale 1 and the second limiting plate 4 of vernier auxiliary scale 3, remove vernier auxiliary scale 3, second limiting plate 4 on vernier auxiliary scale 3 and the first limiting plate 2 on main scale 1 laminate with the both sides of article respectively, at this moment rotate fixing bolt 5, fix vernier auxiliary scale 3, when the scale on main scale 1 and vernier auxiliary scale 3 is watched to needs, remove pull ring 68, pull ring 68 moves with movable plate 62, slider 66 on movable plate 62 moves in spout 65, reached the effect of restricting the direction of movement of movable plate 62, avoid movable plate 62 to rotate as far as possible, the stability of movable plate 62 removal has been improved, movable plate 62 moves to the scale department that needs the reading, watch the scale through magnifying glass 64 in fixed frame 63, wherein diagonal rod 67 and movable plate 62 and fixed frame 63 form stable triangle-shaped structure, the stability of fixed frame 63 has been improved, avoid fixed frame 63 to take place to rock as far as possible, through watching device 6 as possible, the accurate user's that can't improve the accuracy of slide caliper.

Claims

1. The utility model provides a slide caliper that accuracy is high, includes main scale (1) and auxiliary device (7), its characterized in that: one end fixedly connected with first limiting plate (2) of main scale (1), the surface sliding connection of main scale (1) has vernier auxiliary scale (3), the bottom fixedly connected with second limiting plate (4) of vernier auxiliary scale (3), the upper surface screw thread of vernier auxiliary scale (3) is inserted and is equipped with fixing bolt (5), the bottom of vernier auxiliary scale (3) is equipped with viewing device (6) with help of auxiliary device (7), viewing device (6) include fixed plate (61), fixed plate (61) are with auxiliary device (7) fixed connection in the bottom of vernier auxiliary scale (3), the surface sliding connection of fixed plate (61) has movable plate (62), one side fixedly connected with fixed frame (63) of movable plate (62), the inner wall fixedly connected with magnifying glass (64) of fixed frame (63).

2. A vernier caliper of high accuracy as claimed in claim 1, wherein: one side of the moving plate (62) is fixedly connected with a sliding block (66), a sliding groove (65) is formed in the position, corresponding to the sliding block (66), of the fixed plate (61), and the size of the sliding groove (65) is matched with that of the sliding block (66).

3. A vernier caliper of high accuracy as claimed in claim 1, wherein: one side of the moving plate (62) is fixedly connected with a diagonal rod (67), and one end, far away from the moving plate (62), of the diagonal rod (67) is fixedly connected with the fixed frame (63).

4. A vernier caliper of high accuracy as claimed in claim 1, wherein: one side of the moving plate (62) is fixedly connected with a pull ring (68), and the cross section of the pull ring (68) is circular.

5. A vernier caliper of high accuracy as claimed in claim 1, wherein: auxiliary device (7) are established in the bottom of vernier auxiliary ruler (3), auxiliary device (7) include backing plate (71), backing plate (71) fixed connection is in the bottom of vernier auxiliary ruler (3), the surface slip of backing plate (71) is inserted and is provided with bolt (72), jack (73) have been seted up in fixed plate (61) corresponding bolt (72) department, the size of bolt (72) and the size looks adaptation of jack (73), the top fixedly connected with of fixed plate (61) two locating levers (74), two locating levers (74) are central symmetry, locating hole (75) have been seted up in vernier auxiliary ruler (3) corresponding locating lever (74) department, the size of locating lever (74) and the size looks adaptation of locating hole (75).

6. The vernier caliper of claim 5, wherein: one end of the positioning rod (74) far away from the fixed plate (61) is fixedly connected with a pointed protrusion (77), and the pointed end of the pointed protrusion (77) is far away from the positioning rod (74).

7. The vernier caliper of claim 5, wherein: one end of the bolt (72) far away from the jack (73) is fixedly connected with a pull rope (76), and one end of the pull rope (76) far away from the bolt (72) is fixedly connected with the base plate (71).