CN201335657Y

CN201335657Y - Multi-angle vernier caliper

Info

Publication number: CN201335657Y
Application number: CNU200920010183XU
Authority: CN
Inventors: 陈洪波
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-01-15
Filing date: 2009-01-15
Publication date: 2009-10-28
Anticipated expiration: 2019-01-15

Abstract

The utility model provides a multi-angle vernier caliper, which comprises a front measuring claw, a rear measuring claw, a vernier caliper body, a reading device and a micro-motion device, wherein the reading device and the rear half part of a rear measuring claw rotating device are integrated with the vernier caliper body as a whole, the reading device, the rear half part of the rear measuring claw rotating device and the micro-motion device are movably arranged on the vernier caliper body, and the reading device is connected with the micro-motion device. The multi-angle vernier caliper is characterized in that the front measuring claw is movably arranged at the zero-graduation end of the vernier caliper body through a rotating device. The multi-angle vernier caliper has the advantages of simple and reasonable structure, easy operation, strong practicability, wide application range and easy generalization and application.

Description

The multi-angle vernier caliper

Technical field:

The utility model relates to a kind of multi-angle vernier caliper, belongs to the plant equipment field.

Background technology:

Present vernier caliper mainly be configured to preceding measuring jaw, back measuring jaw, blade, reading device and inching gear, reading device, back measuring jaw is that one and inching gear are movably arranged on the blade, can on blade, slide, back measuring jaw and reading device are one, reading device is connected with inching gear, preceding measuring jaw then is the zero graduation place that directly is fixedly installed on blade, measuring jaw promptly, back measuring jaw is only to separate in same plane and closure, that is to say that this vernier caliper can only measure 2 distance or member internal diameter or the outside diameter measuring that is in the same plane, when running into not 2 in same plane, then need by range estimation, measure after utilizing the lead-in wire supposition to introduce same plane 2, or with preceding measuring jaw and the back measuring jaw place the approximate location of measured point to estimate, measuring process is cumbersome, and it is not accurate enough, if and do not adopt leads method or estimation rule this vernier caliper to feel simply helpless, cause very big difficulty to measurement.

Summary of the invention:

The utility model purpose: the utility model provides a kind of multi-angle vernier caliper, its objective is solution vernier caliper in the past when measuring not at conplane 2, can't measure or the problem and the not accurate enough problem of measurement result of measuring process trouble.

Technical scheme: the utility model is achieved through the following technical solutions:

A kind of multi-angle vernier caliper, the blade, reading device and the inching gear that comprise preceding measuring jaw, back measuring jaw, band scale, reading device, back measuring jaw and inching gear are that one is movably arranged on the blade, back measuring jaw and reading device are one, reading device is connected with inching gear, it is characterized in that: preceding measuring jaw is movably arranged on the zero graduation outboard end of blade by whirligig.

Described whirligig also can be counterrotating two right cylinders of axle with the bearing pin for what connect by bearing pin, bearing pin passes two cylindrical axle center, one of them right cylinder is fixed on the zero groove place of blade, another right cylinder is arranged on the preceding measuring jaw, cylindrical outer end on preceding measuring jaw also is provided with fastening nut, and fastening nut is connected with bearing pin.

Described reading device comprises the chi frame that is arranged on the blade, be arranged on the trip bolt in the chi frame outside and be arranged on the vernier scale of chi frame inboard.

Inching gear comprises the fine motion chi frame that is movably arranged on the blade, be arranged on the trip bolt on fine motion chi frame top and be arranged on the roller of chi card lower end, and roller is connected with reading device by screw rod.

Advantage and effect: the utility model provides a kind of multi-angle vernier caliper, this multi-angle vernier caliper will be fixed on the preceding measuring jaw at the zero graduation place of blade originally, by whirligig be movably arranged on the zero graduation left side place of blade and control by the fastening nut that is arranged on the whirligig outer end before the anglec of rotation of measuring jaw, measuring jaw can pass through any anglec of rotation of whirligig when needed before making, measuring jaw and back measuring jaw are at angle before making; When need be to being in or the internal diameter of parts of same surface level at 2, when external diameter is measured, with regard to measuring jaw before only need resembling habitually in the past separately with after measuring jaw measure and get final product, and when needs to not when carrying out measuring distance at conplane 2, the fastening nut that then only needs to be in the whirligig outer end is unscrewed, then with preceding measuring jaw rotation, the angle of its rotation is identical with the angle of residing of measured point, tighten fastening nut then, the fixed angle of measuring jaw rotation before making, like this, measuring jaw and back measuring jaw directly point to the not measured point of coplanar respectively before just can making, and so just can measure needed distance more intuitively at 2.And utilization vernier caliper measurement in the past is not or not the time of conplane 2, because preceding measuring jaw and back measuring jaw can not relatively rotate angled, then need to utilize range estimation, adopt the lead-in wire of supposition to cause conplane position with 2, then to draw a little and between distance measure, draw tested distance at 2 thereby derive; After perhaps preceding measuring jaw and back measuring jaw being separated its approximate location of aiming at the measured point is respectively estimated; The utility model has then overcome original deficiency, make to measure also not become easily in conplane 2 distance, and it is simple and reasonable, and is easy and simple to handle, practical, relatively is beneficial to and applies.

Fig. 1 is a primary structure synoptic diagram of the present utility model;

Fig. 2 is original vernier caliper user mode structural representation;

Fig. 3 is the schematic top plan view of user mode structure of the present utility model.

Embodiment:

Below in conjunction with accompanying drawing the utility model is done nearly step explanation:

The utility model provides a kind of multi-angle vernier caliper, this multi-angle vernier caliper comprises preceding measuring jaw 1, back measuring jaw 5, blade 4, reading device 6 and inching gear 7, reading device 6, back measuring jaw 5 on the one and inching gear 7 be movably arranged on the blade 4, that is to say that back measuring jaw 5, reading device can do relative slip with inching gear 7 on blade 4; Back measuring jaw 5 and reading device are on one, reading device is connected with inching gear 7, described reading device is existing mechanical reading device or electronical reading device, mechanical reading device the vernier scale 6 on the chi frame 2 of being arranged on as shown in Figure 1 of serving as reasons, be arranged on the trip bolt 3 in chi frame 2 outsides and be arranged on the structure that the vernier scale 6 of chi frame 2 inboards is formed, the effect of trip bolt 3 is used for temporary fixed chi frame 2 when reading device moves to certain position; And the electronical reading device is the display screen that existing inside has range finder, and it can demonstrate the numerical value of distance intuitively; Described inching gear 7 comprises the fine motion chi frame 10 that is movably arranged on the blade 4, is arranged on trip bolt 3 and roller 11 on the fine motion chi frame 10, roller 11 is connected with reading device by screw rod 14, the principle of work of inching gear 7 is for after measuring position is roughly found, by the provisional fixedly fine motion chi frame 10 of trip bolt 3, swing roller 11 then, 11 rotation pulling reading device fine motions of roller, thereby the purpose that realization is finely tuned whole reading device by screw rod 14; As shown in Figure 1, when reading device is the mechanical reading device, screw rod 14 direct and chi frame 2 flexible connections; In addition, the circular arc inner measuring jaw shown in the number in the figure 12 for measuring jaw before being arranged on 1 and measuring jaw 5 bottoms, back, number in the figure 13 is the outer measuring jaw on measuring jaw 1 before being arranged on and measuring jaw 5 tops, back.

Measuring jaw 1 is movably arranged on the zero graduation outboard end of blade 4 by whirligig 9 before of the present utility model, is the boundary with the zero graduation, and a side of mark scale is the inboard of zero graduation, and opposite side then is the outside of zero graduation; That is to say that preceding measuring jaw 1 of the present utility model can rotate arbitrarily angled at the zero graduation outboard end of blade 4 freely; Described whirligig 9 be two can counterrotating right cylinder, two right cylinders closely link to each other, connect by screwed bearing pin between two right cylinders, bearing pin passes two cylindrical axle center, two right cylinders can be that axle is done relative rotation with the bearing pin, one of them right cylinder is fixed on the zero groove outside of blade 4 and aligns with zero groove, another right cylinder is arranged on the preceding measuring jaw 1, cylindrical outer end on preceding measuring jaw 1 also is provided with fastening nut 8, fastening nut 8 is connected with bearing pin, before not needing to rotate during measuring jaw 1, fastening nut 8 is used for fixing preceding measuring jaw 1, when rotating preceding measuring jaw 1, needs then only need screw fastening nut 8, make between two right cylinders of whirligig 9 loosening, and then measuring jaw 1 before rotating, at this moment, because the right cylinder on the preceding measuring jaw 1 is to do in relative rotation with the right cylinder that is fixed on the blade 4, measuring jaw 1 can be served as that axle rotates an angle with cylindrical axle center before the institute, after treating that required angular setting finishes, then tighten fastening nut 8, at this moment, can be tightened relative fixed again between two right cylinders of whirligig 9, thus the fixed angle of measuring jaw 1 before making; Why preceding measuring jaw 1 is arranged to rotatable form, be because measured sometimes 2 is not on same plane, if at this moment utilize vernier caliper in the past then be difficult to measure exactly 2 air line distance, and can only go to measure by mode as shown in Figure 2, in the past the measurement method of the distance between two points in same plane not that shown in Figure 2 just in time is, Fig. 3 then is the vertical view that utilizes the measuring method of multi-angle vernier caliper of the present utility model; For example: come the different of more former vernier caliper and multi-angle vernier caliper of the present utility model with Fig. 2 and content shown in Figure 3;

A parts shown in Fig. 2 and 3 and B parts are the parts that lay respectively in orthogonal two planes, and A parts and B parts are all at residing edge separately, and two planes are respectively face 111 and face 222; Measure the vertical range that the A member distance that is positioned on the face 111 is positioned at the B parts on the face 222, the just distance that arrow straight line L is indicated among Fig. 2 and Fig. 3 now if desired; If utilizing vernier caliper in the past measures, as shown in Figure 2, just preceding measuring jaw 1 and back measuring jaw 5 can only be separated, utilize the method for range estimation that preceding measuring jaw 1 and the approximate location that back measuring jaw 5 is aimed at B parts and A parts are respectively measured then, this measurement result is because preceding measuring jaw 1 can not rotate relatively with back measuring jaw 5, so can not more preceding measuring jaw 1 and back measuring jaw 5 be aimed at A parts and B parts,, also be that deviation is big slightly in the accuracy so the difficulty of measuring increases to some extent; And if utilize the words of multi-angle vernier caliper of the present utility model, then only need by shown in Figure 3, preceding measuring jaw 1 and back measuring jaw 5 are separated, unscrew fastening nut 8 then, measuring jaw 1 before the rotation, measuring jaw 1 and back measuring jaw 5 are at angle before making, this angle is identical with the angle of face 111 and face 222, tighten fastening nut 8 then, measuring jaw 1 and back measuring jaw 5 angulations are fixed before making, at this moment according to the mode of Fig. 3 preceding measuring jaw 1 and back measuring jaw 5 are aimed at B parts and A parts respectively, wherein preceding measuring jaw 1 is directly aimed at the B parts along the direction that is parallel to face 222, then measuring jaw 5 also can directly be aimed at the A parts along the direction that is parallel to face 111, before that is to say measuring jaw 1 be as shown in Figure 3 aim at the B parts with intuitive manner, then 5 of measuring jaws are that the A parts are directly aimed at perpendicular to the inside direction of paper in the edge, so just can directly read scale value from the C direction shown in Fig. 3, and this scale value is exactly the length value of straight line L.This measuring process is easy, and reading is directly perceived, and error is less.

This multi-angle vernier caliper is simple for structure rationally, and easy and simple to handle, practical, range of application increases greatly, relatively is beneficial to and applies.

Claims

1, a kind of multi-angle vernier caliper, the blade (4), reading device and the inching gear (7) that comprise preceding measuring jaw (1), back measuring jaw (5), band scale, reading device, back measuring jaw (5) and inching gear (7) are arranged on the blade (4), back measuring jaw (5) is an one with reading device, reading device is connected with inching gear (7), it is characterized in that: preceding measuring jaw (1) is movably arranged on the zero graduation outboard end of blade (4) by whirligig (9).

2, multi-angle vernier caliper according to claim 1, it is characterized in that: described whirligig (9) also can be counterrotating two right cylinders of axle with the bearing pin for what connect by bearing pin, bearing pin passes two cylindrical axle center, one of them right cylinder is fixed on the place, zero groove left side of blade (4), another right cylinder is arranged on the preceding measuring jaw (1), cylindrical outer end on preceding measuring jaw (1) also is provided with fastening nut (8), and fastening nut (8) is connected with bearing pin.

3, multi-angle vernier caliper according to claim 1 is characterized in that: described reading device comprises the chi frame (2) that is arranged on the blade (4), be arranged on the trip bolt (3) in chi frame (2) outside and be arranged on the vernier scale (6) of chi frame (2) inboard.

4, multi-angle vernier caliper according to claim 1, it is characterized in that: inching gear (7) comprises the fine motion frame (10) that is movably arranged on the blade (4), be arranged on the trip bolt (3) on fine motion frame (10) top and be arranged on the roller (11) of fine motion frame (10) lower end, and roller (11) is connected with reading device by screw rod (14).