Caliper for measuring dislocation structure

Abstract

The utility model relates to the field of measuring tools, and particularly discloses a caliper for measuring a dislocation structure, which comprises a main scale and a vernier, the vernier is provided with at least one movable measuring jaw, the movable measuring jaw is connected with the vernier through a rotating shaft, so that the movable measuring jaw can properly deflect, and the vernier is also provided with a first fastening screw for temporarily fixing the rotating shaft. On the basis of a traditional vernier caliper, a movable measuring jaw is arranged to be of a rotatable structure, the movable measuring jaw can swing to 180 degrees to the maximum degree, measurement work of three-dimensional, staggered and complex workpieces can be coped with, and the horizontal distance or the vertical distance or the inclined plane distance between staggered planes can be measured; the application range of the vernier caliper is expanded after the basic single plane measurement requirement is met. The whole structure only needs to add the rotating shaft, the shaft seat and the set screw, and is simple in structure and easy to transform.

Description

Technical Field

[0001] The utility model belongs to the field of measuring tools, and particularly relates to a caliper for measuring misaligned structures. Background Art

[0002] A vernier caliper is a measuring tool with a simple structure and easy to use, which has functions such as measuring length, internal and external diameters, depth, etc. Its structure includes a main scale and a vernier that can slide on the main scale. Two fixed jaws are provided on the main scale, and two movable jaws are correspondingly provided on the vernier teeth. The fixed jaws and the movable jaws cooperate to achieve the measurement function. The structure of the vernier caliper can refer to the prior art. Its fixed jaws and movable jaws both move in the same plane and are only used to measure the dimensions in the same plane, and cannot measure three-dimensional and complex parts. The above parts are often misaligned in the horizontal or vertical direction and require an auxiliary scale to complete the measurement, and the measurement process is troublesome. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a caliper for measuring misaligned structures with a wide measurement range.

[0004] To achieve the above purpose, the utility model provides a caliper for measuring misaligned structures, which includes a main scale and a vernier slidably arranged on the main scale. The main scale is provided with at least one fixed jaw, and the vernier is provided with at least one movable jaw. The fixed jaw and the movable jaw cooperate to measure dimensions. The movable jaw is inserted into the edge of the vernier through a rotating shaft, so that the movable jaw can swing around the rotating shaft. The fixed jaw and the deflected movable jaw are respectively in different planes. A screw hole and a first set screw are arranged on the edge of the vernier. The first set screw passes through the screw hole and abuts against the side surface of the rotating shaft to fix the movable jaw.

[0005] As an improvement of the above solution, the vernier is provided with a shaft seat for accommodating the rotating shaft. One end of the shaft seat is open and the other end is closed. When the end of the rotating shaft abuts against the bottom of the shaft seat, the starting points of the fixed jaw and the movable jaw are aligned.

[0006] As an improvement of the above solution, a circle of grooves is arranged on the side surface of the rotating shaft, and a positioning pin is arranged on the outside of the shaft seat. The positioning pin is stuck into the groove of the rotating shaft to limit the degree of freedom of the rotating shaft, so that the rotating shaft can only rotate.

[0007] As an improvement of the above solution, the movable jaw is provided with a perforation. After the rotating shaft is inserted into the perforation, it forms an integral body with the movable jaw, and the rotating shaft and the perforation are in an interference fit.

[0008] As an improvement of the above solution, the main scale is a long strip-shaped sheet body, the vernier caliper clamps both the upper and lower sides of the main scale, both the upper and lower sides of the main scale are provided with fixed measuring jaws, which are respectively called fixed outer measuring jaws and fixed inner measuring jaws, both the upper and lower sides of the vernier caliper are provided with movable measuring jaws, which are respectively called movable outer measuring jaws and movable inner measuring jaws, the inner measuring jaws are connected to the vernier caliper through a rotating shaft, and the outer measuring jaws are fixedly connected to the vernier caliper.

[0009] As an improvement of the above solution, scales are provided on the main scale and the vernier caliper, and a second set screw is provided on the vernier caliper for fixing the position of the vernier caliper.

[0010] The utility model has the following beneficial effects: On the basis of the traditional vernier caliper, one of the movable measuring jaws is set into a rotatable structure, and the movable measuring jaw can swing up to 180°, which can cope with the measurement of three-dimensional, misaligned and complex workpieces, and can measure the horizontal distance, vertical distance or inclined plane distance between misaligned surfaces; after meeting the basic single-plane measurement requirements, the application range of the vernier caliper is expanded. The whole structure only needs to add a rotating shaft, a shaft seat and a set screw, and the structure is simple and the transformation is simple. Description of the Drawings

[0011] Figure 1 is a schematic diagram of the initial state of the caliper under an embodiment;

[0012] Figure 2 is a schematic diagram of the swinging state of the caliper under an embodiment;

[0013] Figure 3 is a cross-sectional view of the rotating shaft area under an embodiment.

[0014] Description of the reference numerals: 11, main scale; 12, vernier caliper; 21, fixed measuring jaw; 22, movable measuring jaw; 31, first set screw; 32, second set screw; 41, rotating shaft; 42, shaft seat; 43, positioning pin. Detailed Description of the Invention

[0015] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top part", "bottom part", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0016] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If the terms "first", "second", "third" are described, they are only used for the purpose of description and distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is a description of the embodiments of the present invention based on its overall structure.

[0018] Reference Figures 1 to 3 The utility model discloses a caliper for measuring misalignment structure, which is based on the improvement of the existing vernier caliper, and comprises a main scale 11 and a vernier 12 slidably arranged on the main scale 11, wherein the main scale 11 is provided with at least one fixed measuring jaw 21, and the vernier 12 is provided with at least one movable measuring jaw 22, wherein the fixed measuring jaw 21 and the movable measuring jaw 22 cooperate to measure the size, wherein the movable measuring jaw 22 is inserted into the edge of the vernier 12 through a rotating shaft 41, so that the movable measuring jaw 22 can swing around the rotating shaft 41, wherein the fixed measuring jaw 21 and the deflected movable measuring jaw 22 are respectively located in different planes, wherein the edge of the vernier 12 is provided with a screw hole and a first fixing screw 31 thereof, wherein the first fixing screw 31 abuts against the side surface of the rotating shaft 41 after passing through the screw hole, and is used to fix the movable measuring jaw 22.

[0019] As an improvement of the above scheme, the vernier 12 is provided with a shaft seat 42 for accommodating the rotating shaft 41, one end of the shaft seat 42 is open and the other end is closed. When the end of the rotating shaft 41 is against the bottom of the shaft seat 42, the starting points of the fixed measuring jaw 21 and the movable measuring jaw 22 are aligned.

[0020] As an improvement of the above solution, a circle of grooves is provided on the side of the rotating shaft 41, and a positioning pin 43 is provided on the outer side of the shaft seat 42. The positioning pin 43 is inserted into the groove of the rotating shaft 41 to limit the freedom of the rotating shaft 41, so that the rotating shaft 41 can only rotate. The diameter of the positioning pin 43 is equal to the width of the groove to prevent the rotating shaft 41 from shaking in the axial direction.

[0021] As an improvement of the above solution, the movable jaw 22 is provided with a perforation. After the rotating shaft 41 is inserted into the perforation, it forms an integral body with the movable jaw 22. An interference fit is provided between the rotating shaft 41 and the perforation. The part of the rotating shaft 41 protruding from the left side of the movable jaw 22 can be polished flat. With the above solution, the connection between the two is convenient.

[0022] As an improvement of the above solution, the main scale 11 is a long strip-shaped sheet body. The vernier scale 12 clamps the upper and lower sides of the main scale 11. Fixed jaws 21 are provided on both the upper and lower sides of the main scale 11, which are respectively called a fixed outer measuring jaw and a fixed inner measuring jaw. Movable jaws 22 are provided on both the upper and lower sides of the vernier scale 12, which are respectively called a movable outer measuring jaw and a movable inner measuring jaw. The inner measuring jaw is connected to the vernier scale 12 through a rotating shaft 41, and the outer measuring jaw is fixedly connected to the vernier scale 12.

[0023] As an improvement of the above solution, scales are provided on the main scale 11 and the vernier scale 12. A second set screw 32 for fixing the position of the vernier scale 12 is provided on the vernier scale 12.

[0024] Based on the traditional vernier caliper, one movable jaw 22 is set as a rotatable structure. The movable jaw 22 can swing up to 180°, which can cope with the measurement of three-dimensional, misaligned, and complex workpieces, and can measure the horizontal distance, vertical distance, or inclined plane distance between misaligned surfaces; after meeting the basic single-plane measurement requirements, the applicable range of the vernier caliper is expanded. The whole structure only needs to add a rotating shaft 41, a shaft seat 42, and a set screw, with a simple structure and simple transformation.

[0025] The foregoing description of the specific exemplary embodiments of the present invention is for the purposes of illustration and exemplification. These descriptions are not intended to limit the present invention to the precise forms disclosed, and obviously, many changes and variations are possible in light of the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical applications, so that those skilled in the art can implement and utilize various different exemplary embodiments of the present invention, as well as various different selections and changes. The scope of the present invention is intended to be defined by the claims and their equivalents.

Claims

1. A caliper for measuring a misaligned structure, comprising a main scale and a vernier scale slidably disposed on the main scale, the main scale being provided with at least one fixed jaw, the vernier scale being provided with at least one movable jaw, the fixed jaw and the movable jaw being cooperated for measuring dimensions, characterized in that: The movable measuring jaw is inserted into the edge of the vernier through a rotating shaft, so that the movable measuring jaw can swing around the rotating shaft. The fixed measuring jaw and the deflected movable measuring jaw are respectively in different planes. A screw hole and a first set screw are provided on the edge of the vernier. After passing through the screw hole, the first set screw abuts against the side surface of the rotating shaft to fix the movable measuring jaw.

2. The caliper for measuring the misalignment structure according to claim 1, wherein: The vernier is provided with a shaft seat for accommodating the rotating shaft. One end of the shaft seat is open and the other end is closed. When the end of the rotating shaft abuts against the bottom of the shaft seat, the starting points of the fixed measuring jaw and the movable measuring jaw are aligned.

3. The caliper for measuring the misalignment structure according to claim 2, characterized in that: A circle of grooves is provided on the side surface of the rotating shaft, and a positioning pin is provided on the outside of the shaft seat. The positioning pin is snapped into the groove of the rotating shaft to limit the degree of freedom of the rotating shaft, so that the rotating shaft can only rotate.

4. The caliper for measuring the misalignment structure according to claim 3, characterized in that: The movable measuring jaw is provided with a perforation. After the rotating shaft is inserted into the perforation, it forms an integral body with the movable measuring jaw. An interference fit is provided between the rotating shaft and the perforation.

5. The caliper for measuring the misalignment structure according to claim 1, wherein: The main scale is a long strip-shaped sheet body. The vernier clamps the upper and lower sides of the main scale. Fixed measuring jaws are provided on both the upper and lower sides of the main scale, which are respectively called fixed outer measuring jaws and fixed inner measuring jaws. Movable measuring jaws are provided on both the upper and lower sides of the vernier, which are respectively called movable outer measuring jaws and movable inner measuring jaws. The inner measuring jaws are connected to the vernier through a rotating shaft, and the outer measuring jaws are fixedly connected to the vernier.

6. The vernier caliper for measuring the misalignment structure according to claim 5, wherein: Scales are provided on the main scale and the vernier, and a second set screw for fixing the position of the vernier is provided on the vernier.

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