CN207095435U - A kind of slide measure - Google Patents

Abstract

The utility model provides a vernier caliper, which relates to the technical field of measuring tools, and comprises a main ruler and a vernier slidingly matched with the main ruler. A measuring claw cooperates with the second measuring claw for measuring the outer dimension, a third measuring claw is provided at the lower end of the main ruler, and a fourth measuring claw is arranged at the lower end of the vernier to cooperate with the third measuring claw to measure the hole distance and aperture, The lower ends of the third measuring jaw and the fourth measuring jaw are both inverted cones. The structure of the utility model is based on the measurement of the external dimensions, through the inverted cone-shaped third and fourth measuring claws correspondingly arranged on the main ruler and the vernier, and can quickly and accurately measure the center distance between the two holes , not only embodies the convenience of measurement, but also ensures the measurement accuracy of the hole distance, has a good use effect and extensive promotion value.

Description

a vernier caliper

technical field

The utility model relates to the technical field of measuring tools, in particular to a vernier caliper.

Background technique

As a measuring tool for measuring the length, inner and outer diameters and depth of workpieces, vernier calipers are widely used in actual production. A vernier caliper is generally composed of a main scale and a vernier attached to the main scale and capable of sliding along the main scale. The main scale is generally in millimeters, and the vernier has 10, 20 or 50 divisions. According to the division, the vernier calipers can be divided into ten-degree vernier calipers, twenty-degree vernier calipers, and fifty-degree vernier calipers. The main scale and the vernier of the vernier caliper are provided with two pairs of movable claws, which are the inner measuring claw and the outer measuring claw. The inner measuring claw is usually used to measure the inner diameter, and the outer measuring claw is usually used to measure the length and outer diameter.

When the inner and outer measuring claws of the vernier caliper measure the distance between the round holes, since the center of the round hole is not easy to determine, the measurement result has a large deviation, which is not conducive to ensuring the accuracy of the measurement.

Utility model content

The utility model provides a vernier caliper, aiming at solving the problems in the prior art that the distance between round holes is difficult to measure and the measurement error is large.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a vernier caliper, comprising a main ruler and a vernier slidingly matched with the main ruler, characterized in that: the upper end of the main ruler is provided with a first amount Claws, the upper end of the vernier is provided with a second measuring claw that cooperates with the first measuring claw to measure the outer dimension, the lower end of the main ruler is provided with a third measuring claw, and the lower end of the vernier is provided with a The third measuring jaw cooperates with the fourth measuring jaw for measuring hole distance and diameter, and the lower ends of the third measuring jaw and the fourth measuring jaw are both inverted cones.

As a further optimization, the first measuring jaw is arranged mirror-symmetrically to the second measuring jaw, and the third measuring jaw is arranged mirror-symmetrically to the fourth measuring jaw.

As a further optimization, the main scale is provided with a first scale, and the vernier is provided with a third scale corresponding to the first scale of the main scale. When the first measuring claw is attached to the second measuring claw , the first scale is aligned with the zero scale line of the third scale.

As a further optimization, both the third measuring jaw and the fourth measuring jaw include an inverted cone and a flat plate, the inverted cone is connected to the bottom surface of the vernier through the flat plate, and the outer surface of the inverted cone is provided with a The height direction of the cone sets the second scale.

As a further optimization, the vernier is sleeved on the outside of the main scale, and the position corresponding to the first scale is provided with an opening, and the side of the vernier away from the first scale is also provided with the main scale. The groove body slides to fit the depth gauge.

As a further optimization, a fastening screw for tightening with the upper surface of the main scale is provided above the vernier.

The beneficial effects produced by adopting the above-mentioned technical solution are: the structure of the utility model, on the basis of the measurement of the external dimensions, through the inverted cone-shaped third and fourth measuring claws correspondingly arranged on the main ruler and the vernier, The ability to quickly and accurately measure the distance between the centers of two holes not only reflects the convenience of measurement, but also ensures the measurement accuracy of the hole distance, and has a good use effect and extensive promotion value.

Description of drawings

Fig. 1 is a front structural schematic diagram of a vernier caliper according to an embodiment of the utility model.

Fig. 2 is a cross-sectional view of A-A in Fig. 1 of the utility model embodiment.

Fig. 3 is a cross-sectional view of B-B in Fig. 1 according to the embodiment of the present invention.

In the figure: 100, main ruler; 110, first measuring claw; 120, second measuring claw; 130, fastening screw; 200, vernier; 210, second measuring claw; 220, fourth measuring claw; 221, inverted cone Body; 222, flat panel; 230, depth gauge.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

Please refer to Fig. 1 to Fig. 3 together, and now the vernier caliper provided by the utility model is described. The vernier caliper includes a main ruler 100 and a vernier 200 slidingly matched with the main ruler 100, and is characterized in that: the upper end of the main ruler 100 is provided with a first measuring jaw 110, and the upper end of the vernier 200 is provided with Cooperate with the first measuring jaw 110 to measure the second measuring jaw 210 of the outer dimension, the lower end of the main ruler 100 is provided with the third measuring jaw 120, and the lower end of the vernier 200 is provided with the third measuring jaw. The claw 120 cooperates with the fourth measuring claw 220 for measuring the hole distance and the hole diameter, and the lower ends of the third measuring claw 120 and the fourth measuring claw 220 are both inverted cones. The first measuring jaw 110 and the second measuring jaw 210 of the vernier caliper are consistent with the usage of the traditional vernier caliper for effective measurement of external dimensions, while the third measuring jaw 120 and the fourth measuring jaw 220 arranged below the main ruler 100 and the vernier 200 It is used to measure the hole distance between two holes, which can avoid the traditional inaccuracy of observing the center of two holes with eyes and then measuring with a caliper, and avoid the occurrence of obvious errors. The third measuring jaw 120 and the fourth measuring jaw 220 of this device The cone 221 provided at the lower end of the cone can extend into the hole to be measured, and form a stable contact with the hole through the outer surface of the inverted cone 221 to measure the distance between the holes, and the positioning is accurate, avoiding inaccurate positioning of the hole center resulting in size errors.

The vernier caliper provided by the utility model, compared with the prior art, the structure of the utility model is based on the measurement of the outer dimension, through the inverted cone-shaped third measuring claw and the fourth measuring claw which are correspondingly arranged on the main ruler and the vernier. Measuring claws can quickly and accurately measure the distance between the centers of two holes, which not only reflects the convenience of measurement, but also ensures the measurement accuracy of the hole distance, and has a good use effect and extensive promotion value.

As a further optimization, please refer to Fig. 1 and Fig. 3 together. As a specific implementation of the vernier caliper provided by the present invention, the first measuring jaw 110 and the second measuring jaw 210 are mirror-symmetrically arranged. The measuring jaw 120 and the fourth measuring jaw 220 are mirror-symmetrically arranged. The first measuring jaw 110 and the second measuring jaw 210 are mirror-symmetrically arranged, and their outer dimensions are consistent, and can form good contact with the object to be measured through the inner surface, which is convenient for measuring the outer dimensions of general objects. The third measuring jaw 120 and the fourth measuring jaw 220 are also arranged symmetrically in the form of a mirror image, and have the same outer dimensions, so that the hole distance can be measured conveniently, and the positioning and measurement accuracy are strongly guaranteed.

As a further optimization, please refer to Fig. 1, as a specific implementation of the vernier caliper provided by the utility model, the main scale 100 is provided with a first scale, and the vernier 200 is provided with a first scale with the main scale 100. The scale corresponds to the third scale, when the first measuring jaw 110 is attached to the second measuring jaw 210, the first scale is aligned with the zero scale line of the third scale. The first scale on the main scale 100 is used to measure the length. At the same time, the first scale and the third scale can be used together to measure the precise size. It is the same as the use method of the general vernier caliper. When the first measuring jaw 110 and When the second measuring jaws 210 are attached to each other, the first scale is aligned with the zero scale line of the third scale, and the reading at this time is 0.

As a further optimization, please refer to Fig. 1 and Fig. 3 together. As a specific embodiment of the vernier caliper provided by the present invention, the third measuring jaw 120 and the fourth measuring jaw 220 both include an inverted cone 221 and a flat plate portion 222 , the inverted cone 221 is connected to the bottom surface of the vernier 200 through the flat portion 222 , and the outer surface of the inverted cone 221 is provided with a second scale along the height direction of the inverted cone 221 . The setting of the flat part 222 can realize the function of connecting the inverted cone 221 to the main scale 100 or the vernier 200, and avoid the positional interference between the inverted cone 221 and the hole to be measured caused by the direct arrangement of the inverted cone 221 on the main scale 100 or the vernier 200 Phenomenon, to ensure the convenience of measurement. The tip of the inverted cone 221 is set downwards, so the corresponding value of the outer diameter at the lowermost end is the smallest, and the corresponding value of the outer diameter at the uppermost end is the largest, so the second scale increases sequentially from bottom to top. At the same time, the second scale is used to check the size of the outer diameter of the hole, which has a good detection function and is convenient for ensuring the accuracy of later installation.

As a further optimization, please refer to Figures 1 to 2 together. As a specific implementation of the vernier caliper provided by the present invention, the vernier 200 is sleeved on the outside of the main scale 100, and the vernier 200 corresponds to the first The position of the scale is provided with an opening, and the side of the vernier 200 facing away from the first scale is also provided with a depth scale 230 which is slidingly matched with the groove of the main scale 100 . The matching relationship between the vernier 200 and the main scale 100 is the same as that of a traditional vernier caliper. At the same time, the depth gauge 230 provided on the back of the vernier 200 and slidingly matched with the groove of the main scale 100 can measure the depth of the hole conveniently and has good practicability.

As a further optimization, please refer to FIG. 1 , as a specific embodiment of the vernier caliper provided by the present invention, a fastening screw 130 for tightening with the upper surface of the main scale 100 is provided above the vernier 200 . When measuring, when the position of the operator is not convenient for direct reading of the vernier caliper, the relative position of the vernier 200 and the main ruler 100 can be locked by the fastening screw 130 arranged above the vernier 200, and then the vernier caliper is removed from the position to be measured. Read the value after taking it out of the object, so as to ensure the reading accuracy to the greatest extent.

The structure of the utility model, on the basis of the measurement of the external dimensions, can quickly and accurately measure the center distance between the two holes through the inverted cone-shaped third and fourth measuring claws correspondingly arranged on the main ruler and the vernier , not only embodies the convenience of measurement, but also ensures the measurement accuracy of the hole distance, has a good use effect and extensive promotion value.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (6)

1. a kind of slide measure, including main scale（100）With with the main scale（100）The vernier being slidably matched（200）, its feature exists In：The main scale（100）Upper end is provided with the first measuring jaw（110）, the vernier（200）Upper end is provided with and described first Measuring jaw（110）Second measuring jaw of conjunction measuring outside dimension（210）, the main scale（100）Lower end is provided with the 3rd measuring jaw （120）, the vernier（200）Lower end is provided with and the 3rd measuring jaw（120）Conjunction measuring pitch-row and the 4th amount in aperture Pawl（220）, the 3rd measuring jaw（120）With the 4th measuring jaw（220）Lower end be inverted cone（221）.

A kind of 2. slide measure according to claim 1, it is characterised in that：First measuring jaw（110）With described second Measuring jaw（210）Specular is set, the 3rd measuring jaw（120）With the 4th measuring jaw（220）Specular is set.

A kind of 3. slide measure according to claim 2, it is characterised in that：The main scale（100）The first scale is provided with, The vernier（200）Provided with the main scale（100）The first scale corresponding to the 3rd scale, first measuring jaw（110）With Second measuring jaw（210）During fitting, first scale aligns with the zero graduation line of the 3rd scale.

A kind of 4. slide measure according to claim 3, it is characterised in that：3rd measuring jaw（120）With the 4th measuring jaw （220）Include the inverted cone（221）And flat part（222）, the inverted cone（221）Pass through flat part（222）With Vernier（200）Bottom surface be connected, the inverted cone（221）Lateral surface be provided with along the inverted cone（221）Height side To the second scale of setting.

A kind of 5. slide measure according to claim 3, it is characterised in that：The vernier（200）It is sheathed on the main scale （100）Outside, and the vernier（200）The position of the upper scale of correspondence first is provided with opening, the vernier（200）Away from first The side of scale is additionally provided with and the main scale（100）The depth gauge rule that is slidably matched of cell body（230）.

A kind of 6. slide measure according to claim 1, it is characterised in that：The vernier（200）Top be provided be used for The main scale（100）The trip bolt that upper surface is held out against（130）.