CN2145364Y

CN2145364Y - Multifunction digital display caliber rule

Info

Publication number: CN2145364Y
Application number: CN 92233619
Authority: CN
Inventors: 陈晓薇
Original assignee: Dongfeng Motor Corp
Current assignee: Dongfeng Motor Corp
Priority date: 1992-10-24
Filing date: 1992-10-24
Publication date: 1993-11-03
Anticipated expiration: 2002-10-24

Abstract

The utility model relates to a multifunctional digital caliper used for measuring data such as gears, threads, cones, position distances, etc., which belongs to a digital caliper with a replaceable measuring head. It consists of a caliper body, a digital display on it, a fixed claw, a movable claw and a measuring head. Correspondingly, there are vernier marking lines and vernier positioning blocks on the fixed claw and the movable claw. There are through holes at the lower end of the claws. The measuring head is a screw with a geometric boss, which is threaded through the through hole and fixed by a nut. The measuring head is designed in spherical, knife-edge, conical, V-shaped, dish-shaped and platform-shaped, etc. The measuring head can be replaced according to different measurement needs to realize the multi-purpose function of one foot.

Description

一种用于测量齿轮齿厚、螺纹中径、公法线、园锥体锥角、位置距离尺寸等多功能数显卡尺，它涉及一种测头可更换的数显卡尺。The utility model relates to a multifunctional digital caliper used for measuring gear tooth thickness, thread pitch diameter, common normal line, cone angle, position distance dimension, etc., and relates to a digital caliper with a replaceable measuring head.

在机械加工中对于不同工件的测量，用不同的专用卡尺、量规及采用不同的方法进行测量，对测量齿轮齿厚、通常采用两个滚柱（或滚珠）放置直径对称的齿槽内，用千分尺测量其间距尺寸M_R值，再经换算得出齿厚尺寸，这种测量方法操作不便，不适合在线及对批量工件的测量，对于测量螺纹中径和公法线及锥体的锥角，要用专用千分尺才能测量，其成本较高，操作不便，读数不直观，不能实现一尺多用。For the measurement of different workpieces in machining, different special calipers, gauges and different methods are used for measurement. To measure the tooth thickness of gears, two rollers (or balls) are usually placed in the tooth grooves with symmetrical diameters. The micrometer measures the distance dimension M _R value, and then converts the tooth thickness dimension. This measurement method is inconvenient to operate and is not suitable for online and batch workpiece measurement. For measuring the pitch diameter of the thread, the common normal line and the cone angle of the cone, Need to use special-purpose micrometer to just be able to measure, and its cost is higher, and operation is inconvenient, and reading is not intuitive, and can not realize multi-purpose of one foot.

本实用新型针对上述存在缺陷，提供一种一把尺身能更换多种测头，进行各种测量并读数直观的多功能数显卡尺。Aiming at the above-mentioned defects, the utility model provides a multifunctional digital caliper capable of replacing various probes with one ruler body, performing various measurements and having intuitive readings.

本实用新型是在普通的数显卡尺上改进卡爪和测头来实现的。其设想是在原数显卡尺的固定爪和活动爪上对称设有游标刻度和游标定位块，用于测量时上、下移动定位。在固定卡爪和活动卡爪的下端还对应开有通孔，测头设计为带有几何型凸台的螺杆，并能穿套在卡爪的通孔内固定住。测头可根据不同工件的测量要求设计成多种型式用于更换或变换方向进行测量，完成一尺多用功能。The utility model is realized by improving the claw and the measuring head on the common digital caliper. Its assumption is that vernier scales and vernier positioning blocks are symmetrically arranged on the fixed claws and movable claws of the original digital caliper, which are used to move up and down when measuring. There are corresponding through holes at the lower ends of the fixed jaws and the movable jaws, and the measuring head is designed as a screw rod with a geometric boss, which can be inserted into the through holes of the jaws and fixed. The measuring head can be designed into various types according to the measurement requirements of different workpieces for changing or changing directions for measurement, and completes the multi-purpose function of one foot.

本实用新型结构简单合理、测量直观、操作方便、能对工件进行在线和批量测量，特别适合于对园柱齿轮、锥齿轮的测量。若配以不同种类或系列的测头，可用于各种测量。The utility model has the advantages of simple and reasonable structure, intuitionistic measurement, convenient operation, on-line and batch measurement of workpieces, and is especially suitable for the measurement of cylindrical gears and bevel gears. If equipped with different types or series of probes, it can be used for various measurements.

本实用新型的最佳实施例将结合以下附图详细叙述。The preferred embodiment of the utility model will be described in detail in conjunction with the following drawings.

图1，多功能数显卡尺的结构图。Figure 1, the structural diagram of the multifunctional digital caliper.

图2，多功能数显卡尺的球型测头。Figure 2, the spherical probe of the multifunctional digital caliper.

图3，多功能数显卡尺的刀口型测头。Figure 3, the knife-edge probe of the multifunctional digital caliper.

图4，多功能数显卡尺的园锥型测头。Figure 4, the tapered probe of the multifunctional digital caliper.

图5，多功能数显卡尺的V型测头。Figure 5, the V-shaped probe of the multifunctional digital caliper.

图6，多功能数显卡尺的碟型测头。Figure 6, the dish-shaped probe of the multifunctional digital caliper.

图7，多功能数显卡尺的平台型测头。Figure 7, the platform-type probe of the multifunctional digital caliper.

由图可见，本实用新型由卡尺本体8，其上的数显表10，固定爪3，活动爪1，及测头2组成，在固定爪3和活动爪1上对应设有游标刻线5和游标定位块7，游标定位块7为凹槽型套在卡爪上可上、下移动，其两侧开有螺纹孔，一侧靠螺钉6锁紧定位，另一侧用于连接其他定位附件，同时在固定爪3和活动爪1的下端处对应开有通孔，测头2为带几何型凸台的螺杆其穿套在通孔内靠螺母4锁紧固定。As can be seen from the figure, the utility model is composed of a caliper body 8, a digital display 10 on it, a fixed claw 3, a movable claw 1, and a measuring head 2, and a vernier line 5 is correspondingly provided on the fixed claw 3 and the movable claw 1 And the vernier positioning block 7, the vernier positioning block 7 is a groove type sleeve that can move up and down on the claw, and there are threaded holes on both sides, one side is locked and positioned by the screw 6, and the other side is used to connect other positioning As an accessory, there are through holes corresponding to the lower ends of the fixed claw 3 and the movable claw 1, and the measuring head 2 is a screw rod with a geometric boss, which is put through the through hole and locked and fixed by the nut 4.

所述测头2的几何型凸台设计为有球型、刀口型、园锥型、V型、碟型及平台型多种，对于工件不同要求的测量，只需换上所需的测头，即可进行测量。The geometric bosses of the measuring head 2 are designed to be spherical, knife-edge, conical, V-shaped, disc-shaped and platform-shaped. For the measurement of different requirements of the workpiece, only the required measuring head needs to be replaced. , and the measurement can be performed.

用于测量园柱齿轮齿厚，用球型测头，球头直径根据齿轮模数设定。测外齿齿厚时，球型测头2向内相对布置，将数显表10对样件校零，移动游标定位块7定位，（如测轴类另件，定位块7可连接靠板附件9、使尺身稳定）卡住被测工件，测量出齿间M_R值后，经换算得出齿厚尺寸。测量内齿时，只需将测头2向外相背布置即可，而对于测量锥齿轮时，只需测相距两个截面间矩M_R1、M_R2值经换算就可得到所需尺寸。It is used to measure the tooth thickness of cylindrical gears, using a spherical probe, and the diameter of the ball head is set according to the gear module. When measuring the tooth thickness of the external tooth, the spherical probe 2 is relatively arranged inward, the digital display meter 10 is set to zero the sample, and the positioning block 7 is moved to position the vernier, (such as measuring shafts, the positioning block 7 can be connected to the backing plate Attachment 9, make the ruler body stable) clamp the workpiece to be tested, measure the M _R value between the teeth, and obtain the tooth thickness size through conversion. When measuring internal teeth, it is only necessary to arrange the measuring head 2 facing away from the outside, while for measuring bevel gears, it is only necessary to measure the moments M _R1 and M _R2 between two sections and obtain the required size after conversion.

用于测量外园锥体的锥角，用刀口型测头。测法同测锥齿轮相同，再经计算得出。It is used to measure the cone angle of the outer cone, using a knife-edge probe. The measurement method is the same as that of the bevel gear, and then calculated.

用于测量螺纹中径时，测头2一个用园锥型，另一个用V型，用于测量公法线，则用碟型测头，测法均同用千分尺相同。而用于测量各种位置距离尺寸，测头2用平台型，同时游标定位块7也可加工成测头使用，进行同相、反相、上、下或不对称测量。When being used to measure the pitch diameter of the thread, one of the probes 2 is cone-shaped, and the other is V-shaped. For measuring the public normal, the dish-shaped probe is used, and the measuring method is the same as that of the micrometer. And be used for measuring various position distance dimensions, measuring head 2 useful platform type, simultaneously vernier positioning block 7 also can be processed into measuring head and use, carry out in-phase, anti-phase, up, down or asymmetrical measurement.

Claims

1, a kind of multifunctional digital slide calliper rule, by slide calliper rule body 8, the digital display meter 10 on it, fixed claw 3, movable claw 1, and gauge head 2 compositions, it is characterized in that correspondence is provided with vernier groove 5 and vernier locating piece 7 on fixed claw 3 and movable claw 1, trip calibrating block 7 is enclosed within on the pawl and can moves up and down, its both sides have threaded hole, and a side is by screw 6 locking positionings, and opposite side is used to connect other annexes.Lower end correspondence at fixed claw 3 and movable claw 1 has through hole simultaneously, and gauge head 2 is the screw rod of band geometric type boss, and it is set in the through hole and is locked by nut 4.

2, multifunctional digital slide calliper rule according to claim 1 is characterized in that, described gauge head 2 its geometric type boss are ball-type.

3, multifunctional digital slide calliper rule according to claim 1 is characterized in that, described gauge head 2 its geometric type boss are edge of a knife type.

4, multifunctional digital slide calliper rule according to claim 1 is characterized in that, described gauge head 2 its geometric type boss are that the garden is tapered.

5, multifunctional digital slide calliper rule according to claim 1 is characterized in that, described gauge head 2 its geometric type boss are V-type.

6, multifunctional digital slide calliper rule according to claim 1 is characterized in that, described gauge head 2 its geometric type boss are dish-like.

7, multifunctional digital slide calliper rule according to claim 1 is characterized in that, described gauge head 2 its geometric type boss are flatbed.