CN205066599U - Novel multi -functional slide caliper - Google Patents

Abstract

A new type of multifunctional vernier caliper, including a main ruler set along the left and right directions, a main ruler measuring head is arranged under the right end of the main ruler, a vernier is arranged on the main ruler, and an auxiliary ruler measuring head is arranged under the left end of the vernier, and the auxiliary ruler measuring head is arranged along the horizontal The cross-section in the direction is a semicircle whose radius gradually decreases from top to bottom. The end face of the measuring head of the auxiliary ruler facing the measuring head of the main ruler is a vertical surface. The end face of the measuring head of the main ruler facing the measuring head of the auxiliary ruler is a vertical surface, the top of the measuring head of the main ruler is connected with the bottom end of the sliding rod, and the sliding rod is vertically movably installed on the main ruler. the left end of . Its purpose is to provide a variety of functions, high precision, low manufacturing cost, small storage space, easy to use and operate, which can adjust the side distance, outer diameter, depth, hole center distance, side center distance, high and low hole center distance, etc. A new multifunctional vernier caliper for measurement.

Description

New multifunctional vernier caliper

technical field

The utility model relates to a novel multifunctional vernier caliper.

Background technique

The vernier caliper is a relatively precise measuring tool, which is used a lot in the measurement work. It is usually used to measure the workpiece with high precision. It can measure the outer linear dimension, width and height of the workpiece, and some can also be used to measure the groove. depth. However, the vernier calipers and other measuring tools currently on the market cannot directly and accurately measure the center-to-hole distance; precise measuring machines such as three-coordinate measuring machines are applicable to a wide range of applications, but they cannot be used to measure the center-to-hole distance when the diameter of the circular hole is relatively small. , and there are disadvantages such as large volume, difficult storage, complicated operation, and high cost; in some factories, the center-to-center distance of the hole is also measured by means of a measuring column through a vernier caliper, but it has high requirements for the matching of the measuring column and the hole, and can only measure the corresponding The hole center distance of the hole of the measuring column diameter is poor in practicability.

Utility model content

The purpose of the utility model is to provide a multi-functional, high precision, low manufacturing cost, small storage space, easy to use and operate, which can adjust the side distance, outer diameter, depth, hole center distance, side center distance, high and low hole center A new type of multifunctional vernier caliper for distance measurement.

The new multifunctional vernier caliper of the utility model comprises a main ruler arranged along the left and right directions, a main ruler measuring head is arranged below the left end of the main ruler, an auxiliary ruler is provided on the main ruler so that it can slide left and right, and an auxiliary ruler is arranged under the left end of the auxiliary ruler. Ruler measuring head, the section of the auxiliary ruler measuring head along the horizontal direction is a semicircle whose radius gradually decreases from top to bottom, the end face of the auxiliary ruler measuring head facing the main ruler measuring head is a vertical surface, and the main ruler measures The cross-section of the head along the horizontal direction is a semicircle whose radius gradually decreases from top to bottom. The end face of the main scale measuring head facing the auxiliary scale measuring head is a vertical surface. The top of the main scale measuring head is connected with the bottom end of the sliding rod. The slide bar is movably mounted on the left end of the main scale up and down in the vertical direction.

In the new multi-functional vernier caliper of the utility model, the left end of the main ruler is provided with a guide groove along the vertical direction, the sliding rod is inserted into the guide groove by clearance fit, and the middle part of the left end of the main ruler is along the front and rear horizontal directions. A set screw hole is provided, and a set screw is screwed at the set screw hole. The inner end of the set screw can be supported on the sliding rod. Set screw hole, the auxiliary scale set screw hole is spun with the auxiliary scale set screw, and the bottom of the auxiliary scale set screw can be supported on the main chi.

In the novel multifunctional vernier caliper of the utility model, the cross section of the guide groove is rectangular, and the sliding rod is the same rectangle as the cross section of the guide groove.

In the novel multifunctional vernier caliper of the utility model, the middle part of the top of the measuring head of the main ruler is provided with a connecting plate along the front and rear vertical directions, and the middle part of the bottom end of the sliding rod is provided with a connecting groove along the front and rear vertical directions, and the connecting plate is Inserted in the connecting groove, the connecting plate is fixed in the connecting groove by screws passing through the bottom end of the sliding rod and the connecting plate along the left and right horizontal directions.

In the novel multifunctional vernier caliper of the utility model, the middle part of the top of the measuring head of the auxiliary ruler is provided with two clamping plates side by side along the left and right vertical directions, and a clamping groove and a connecting plate are arranged between the two clamping plates. The bottom of the left end of the auxiliary ruler is provided with a plug-in board along the left and right vertical directions. The plug-in board is inserted in the snap-in slot. The connecting screw in the middle of the board is fixed in the clamping slot.

In the new multifunctional vernier caliper of the utility model, the measuring head of the auxiliary ruler is half conical or half truncated, the measuring head of the main ruler is half conical or half truncated, and the measuring head of the main ruler faces the After the end face of the measuring head of the auxiliary scale is attached to the end face of the measuring head of the main scale, the shape of the combination of the two is conical or truncated.

In the novel multifunctional vernier caliper of the utility model, the included angle between the side wall of the half conical or half truncated conical portion of the auxiliary ruler measuring head and the vertical centerline of the auxiliary ruler measuring head is 30° -60°, the included angle between the side wall of the half conical or half truncated conical portion of the main ruler measuring head and the vertical centerline of the main ruler measuring head is 30°-60°.

In the novel multifunctional vernier caliper of the utility model, a glass tube of a bubble level is arranged on the vernier, the glass tube is filled with liquid, and a bubble for judging the horizontal direction is left.

The new multifunctional vernier caliper of the utility model comprises a main ruler arranged along the left and right directions, a main ruler measuring head is arranged under the right end of the main ruler, an auxiliary ruler is arranged on the main ruler, and an auxiliary ruler measuring head is arranged under the left end of the auxiliary ruler , the cross-section of the measuring head of the auxiliary ruler along the horizontal direction is a semicircle whose radius gradually decreases from top to bottom, the end face of the measuring head of the auxiliary ruler facing the measuring head of the main ruler is a vertical surface, and the cross-section of the measuring head of the main ruler along the horizontal direction is A semicircle whose radius gradually decreases from top to bottom. The end face of the measuring head of the main ruler facing the measuring head of the auxiliary ruler is a vertical surface. The top of the measuring head of the main ruler is connected with the bottom end of the sliding rod, and the sliding rod goes up and down in the vertical direction. It is movably installed on the left end of the main ruler. The novel multifunctional vernier caliper of the utility model can directly and accurately measure the center distance between two holes whose center lines are parallel on the basis of multiple functions of the existing vernier caliper. When in use, you can first extend the measuring head of the auxiliary ruler into one of the measured holes as far as possible, and then adjust the position of the sliding rod in the vertical direction by moving up and down, so that the measuring head of the main ruler can be directly above the measured hole. Fall down into another hole to be measured as far as possible. When the conical surface or circular table surface of the measuring head of the auxiliary ruler and the measuring head of the main ruler are blocked by the top edge of the corresponding hole, adjust the main ruler to the horizontal position. Find the center-to-center distance between two holes whose centerlines are parallel. Therefore, the novel multifunctional vernier caliper of the present utility model has various functions, high precision, low manufacturing cost, small storage space, simple operation, and can adjust side distance, outer diameter, depth, hole center distance, side center distance, high and low hole The characteristics of the measurement of hole center distance, etc.

Below in conjunction with accompanying drawing, the utility model multifunctional vernier caliper is further described.

Description of drawings

Fig. 1 is the three-dimensional view of the structure diagram of the utility model's new multifunctional vernier caliper.

detailed description

Referring to Fig. 1, the novel multifunctional vernier caliper of the present utility model comprises the main ruler 1 that is arranged along the left and right directions, the main ruler 1 left end is provided with the main ruler measuring head 5 below the main ruler 1, and the main ruler 1 is provided with a length dimension scale, and the main ruler 1 The upper side is provided with a sub-foot 7 which can slide left and right, and the sub-chi measuring head 6 is arranged below the left end of the sub-chi. The end face of the measuring head 6 facing the main ruler measuring head 5 is a vertical surface, the cross section of the main ruler measuring head 5 along the horizontal direction is a semicircle whose radius gradually decreases from top to bottom, and the main ruler measuring head 5 faces the auxiliary ruler measuring head The end face of 6 is a vertical surface, and the top of main chi measuring head 5 links to each other with the bottom end of slide bar 4, and slide bar 4 is vertically movably installed on the left end of main chi 1.

As a further improvement of the utility model, the left end of the above-mentioned main ruler 1 is provided with a guide groove along the vertical direction, and the sliding rod 4 is inserted into the guide groove by clearance fit. Screw hole, set screw hole place is screwed with set screw 8, and the inner end of set screw 8 can withstand on the slide bar 4. When in use, the set screw 8 can be loosened first, and then the slide bar 4 can be moved vertically. After moving in place, the set screw 8 can be used to fix the slide bar 4 .

The middle part of the top of the auxiliary ruler 7 is provided with an auxiliary ruler set screw hole along the vertical horizontal direction, and the auxiliary ruler set screw hole is screwed with an auxiliary ruler set screw 3, and the bottom end of the auxiliary ruler set screw 3 can be pushed up. On main ruler 1. When in use, the auxiliary ruler set screw 3 can be loosened first, and then the auxiliary ruler 7 can be moved left and right.

As a further improvement of the utility model, the section of the guide groove is rectangular, and the sliding rod 4 is the same rectangle as the section of the guide groove. The cross-section of the guide groove is rectangular, and the sliding rod 4 is the same rectangle as the cross-section of the guide groove, which can prevent the sliding rod 4 from rotating and affect the measurement accuracy.

As a further improvement of the utility model, the middle part of the top of the main ruler measuring head 5 is provided with a connecting plate along the front and rear vertical directions, and the middle part of the bottom end of the sliding rod 4 is provided with a connecting groove along the front and rear vertical directions, and the connecting plate is inserted into the connecting groove. Inside, the connecting plate is fixed in the connecting groove by the screw passing through the bottom end of the slide bar 4 and the connecting plate along the left and right horizontal direction.

As a further improvement of the present utility model, the middle part of the top of the auxiliary ruler measuring head 6 is provided with two clamping plates side by side along the left and right vertical directions. The bottom of the left end is provided with a plug-in board along the left and right vertical directions. fixed in the slot.

The above-mentioned sub-scale measuring head 6 and the sub-scale measuring head 6 are all connected and fixed by screws, so that the suitable sub-scale measuring head 6 and the sub-scale measuring head 6 can be replaced according to the actual size of the measured element, so that the interchangeability is improved. Strong, wider measurement range.

As a further improvement of the present utility model, the above-mentioned auxiliary ruler measuring head 6 is half conical or half truncated cone, the main ruler measuring head 5 is half conical or half truncated circular, and the main ruler measuring head 5 measures towards the auxiliary ruler. The end face of the head 6 and the auxiliary scale measuring head 6 are attached to the end face of the main scale measuring head 5, and the shape of the combination of the two is conical or truncated cone.

As a further improvement of the utility model, the angle between the side wall of the half conical or half truncated portion of the auxiliary scale measuring head 6 and the vertical centerline of the auxiliary scale measuring head 6 is 25°- 65°, the angle between the side wall of the half conical or half truncated portion of the main scale measuring head 5 and the vertical centerline of the main scale measuring head 5 is 25°-65°.

As a further improvement of the present utility model, the included angle between the side wall of the half conical or half frustum-shaped portion of the auxiliary scale measuring head 6 and the vertical centerline of the auxiliary scale measuring head 6 is 30°- 60°, the angle between the side wall of the half conical or half truncated portion of the main scale measuring head 5 and the vertical centerline of the main scale measuring head 5 is 30°-60°.

As a further improvement of the present utility model, the angle between the side wall of the half conical or half truncated portion of the auxiliary ruler measuring head 6 and the vertical centerline of the auxiliary ruler measuring head 6 is 40°- 50°, the angle between the side wall of the half conical or half truncated portion of the main scale measuring head 5 and the center line of the main scale measuring head 5 along the vertical direction is 40°-50°.

As a further improvement of the utility model, the above-mentioned auxiliary ruler 7 is provided with a glass tube 2 of a bubble level, and the glass tube 2 is filled with liquid, and a bubble is left for judging the horizontal direction.

In order to realize the measurement of the center distance of the high and low holes (two round holes not on the same plane); considering that it is difficult to ensure the level of the ruler body during the actual operation of measuring the center distance of the high and low holes, the glass of the spirit level is added to the auxiliary ruler 7 When in use, the measurement accuracy can be increased by observing the bubbles in the glass tube of the bubble level.

The existing vernier caliper is a commonly used measuring tool, which can be applied in the following four aspects:

1) Measure the width of the workpiece;

2) Measure the outer diameter of the workpiece;

3) Measure the inner diameter of the workpiece;

4) Measure the depth of the workpiece.

The novel multifunctional vernier caliper of the present utility model can also realize the direct accurate measurement of the center distance between the holes parallel to the two centerlines on the basis of the functions of the above-mentioned existing vernier calipers 1, 2, and 4. , the auxiliary ruler measuring head 6 can be extended as far as possible down into one of the measured holes, and then the vertical position of the sliding rod 4 can be adjusted by moving up and down, so that the main ruler measuring head 5 can be directly above the measured hole. Fall down into another hole to be measured as far as possible. When the conical surface or circular table surface of the auxiliary scale measuring head 6 and the main scale measuring head 5 are blocked by the top edge of the corresponding hole, adjust the main scale 1 to the horizontal position. , the center-to-center distance between two holes whose centerlines are parallel can be obtained.

Based on the above method of use, the novel multifunctional vernier caliper of the present invention can also accurately measure the distance between two sides of different heights of the component, the distance between one side of the component and the center of the hole, etc.

Claims (8)

1. Multifunction vernier caliper, comprise the main scale (1) arranged in left-right direction, the below of main scale (1) left end is provided with main scale measuring head (5), main scale (1) can be provided with secondary chi (7) slidingly, the below of secondary chi (7) left end is provided with secondary chi measuring head (6), it is characterized in that: described secondary chi measuring head (6) cross section is in the horizontal direction the diminishing semicircle of radius from top to bottom, secondary chi measuring head (6) is a vertical plane towards the end face of main scale measuring head (5), described main scale measuring head (5) cross section is in the horizontal direction the diminishing semicircle of radius from top to bottom, main scale measuring head (5) is a vertical plane towards the end face of secondary chi measuring head (6), the top of main scale measuring head (5) is connected with the bottom of sliding bar (4), sliding bar (4) is vertically movably arranged on the left end of main scale (1) up and down.

2. Multifunction vernier caliper according to claim 1, it is characterized in that: the left end of described main scale (1) is vertically provided with gathering sill, described sliding bar (4) adopts clearance fit to be inserted in gathering sill, the middle part of described main scale (1) left end is provided with set screw hole along anterior-posterior horizontal direction, set screw hole place is installed with holding screw (8), the inner end of holding screw (8) can withstand on described sliding bar (4), the middle part on described secondary chi (7) top is provided with secondary chi set screw hole along vertical horizontal direction, secondary chi set screw hole place is installed with secondary chi holding screw (3), the bottom of secondary chi holding screw (3) can withstand on described main scale (1).

3. Multifunction vernier caliper according to claim 2, is characterized in that: the cross section of described gathering sill is rectangle, and described sliding bar (4) is the rectangle identical with the cross section of gathering sill.

4. Multifunction vernier caliper according to claim 3, it is characterized in that: the middle part on described main scale measuring head (5) top is provided with web joint along front and back vertical direction, the middle part of described sliding bar (4) bottom is provided with link slot along front and back vertical direction, described web joint is inserted in link slot, and web joint is by being fixed in link slot along left and right horizontal direction through the screw of sliding bar (4) bottom and web joint.

5. Multifunction vernier caliper according to claim 4, it is characterized in that: the middle part on described secondary chi measuring head (6) top is provided with two side by side along left and right vertical direction and clamps plate, two clamp between plate and are provided with card holding trough, web joint, the below of described secondary chi (7) left end is provided with and is provided with plugboard along left and right vertical direction, plugboard is inserted in described card holding trough, and plugboard is by being fixed in card holding trough along anterior-posterior horizontal direction through two attachment screws clamped in the middle part of plate and plugboard.

6. Multifunction vernier caliper according to claim 5, it is characterized in that: described secondary chi measuring head (6) is hemicycle taper or half truncated cone-shaped, described main scale measuring head (5) is hemicycle taper or half truncated cone-shaped, and main scale measuring head (5) is affixed the shape of the latter two zoariums for conical or truncated cone-shaped towards the end face of described secondary chi measuring head (6) and secondary chi measuring head (6) towards main scale measuring head (5) end face.

7. Multifunction vernier caliper according to claim 6, it is characterized in that: the described secondary hemicycle taper of chi measuring head (6) or the angle between the sidewall of half truncated cone-shaped part and secondary chi measuring head (6) center line are vertically 30 °-60 °, the described hemicycle taper of main scale measuring head (5) or the angle between the sidewall of half truncated cone-shaped part and main scale measuring head (5) center line are vertically 30 °-60 °.

8. according to the Multifunction vernier caliper in claim 1 to 7 described in any one, it is characterized in that: described secondary chi (7) is provided with the glass tube (2) of air-bubble level, glass tube is filled with liquid in (2), and leaves one for judging the bubble of horizontal direction.