CN106500568B

CN106500568B - Adjustable height gauge measuring head

Info

Publication number: CN106500568B
Application number: CN201611165427.2A
Authority: CN
Inventors: 吴建; 瞿友山; 王志亮; 娄之力
Original assignee: Suzhou Meiruishi Tech Co ltd
Current assignee: Suzhou Meiruishi Tech Co ltd
Priority date: 2016-12-16
Filing date: 2016-12-16
Publication date: 2023-01-17
Anticipated expiration: 2036-12-16
Also published as: CN106500568A

Abstract

The utility model provides a height appearance gauge head with adjustable, includes casing, measuring pole and regulation pole, the casing axial is equipped with the cavity, and the casing below is equipped with two perforation that link up perpendicularly on the cavity, the perforation is located the casing front end, the cross-section overall dimension and the perforation phase-match of measuring pole, the measuring pole is equipped with two, and two measuring poles wear to establish respectively in two perforations, and the outer terminal surface of two measuring poles is spherical face, adjust the pivot of pole through being connected with the casing and rotationally set up in the cavity, adjust the pole and be located between two measuring poles, adjust the pole and be equipped with two jacking faces that can promote two measuring poles activity from top to bottom in the perforation that corresponds separately, two the jacking face each other is central symmetry, and the interior terminal surface of two jacking faces and two measuring poles is line contact in the axial direction, and two measuring poles rotate with the pivot through the elastic component in the cavity one end and be connected.

Description

Adjustable height gauge measuring head

Technical Field

The invention relates to the field of measuring instruments, in particular to an adjustable height gauge measuring head.

Background

The height measuring instrument is extremely popular in the manufacturing industry, and measuring the product specification is one of important items essential in quality detection in the production and manufacturing process of many products. When the existing instrument measures the inner circle diameter phi of a groove product (shown in figure 1), the height gauge measuring head of a general height measuring instrument adopts a circular side head, and the height gauge measuring head needs to be frequently replaced aiming at products with different specifications, so that the operation is inconvenient and the efficiency is low; meanwhile, the height gauge measuring heads with different specifications are equipped, so that the cost is increased, and the management is inconvenient.

Disclosure of Invention

Aiming at the technical defects, the invention provides the adjustable height gauge measuring head which is wide in measuring range and high in efficiency.

In order to achieve the technical effects, the invention adopts the technical scheme that:

the utility model provides a height appearance gauge head with adjustable, includes casing, measuring pole and regulation pole, the casing axial is equipped with the cavity, and the casing below is equipped with two perforation that link up perpendicularly on the cavity, the perforation is located the casing front end, the cross-section overall dimension and the perforation phase-match of measuring pole, the measuring pole is equipped with two, and two measuring poles wear to establish respectively in two perforations, and the outer terminal surface of two measuring poles is spherical, adjust the pole and rotationally set up in the cavity through the pivot of being connected with the casing, adjust the pole and be located between two measuring poles, adjust the pole and be equipped with two jacking faces that can promote two measuring poles activity from top to bottom in the perforation that corresponds separately, two jacking face each other is central symmetry, and two jacking faces are the line contact with the interior terminal surface of two measuring poles at the axial direction, and two measuring poles rotate with the pivot through the elastic component in the one end of cavity and be connected.

Further, the jacking surface is an involute-shaped or elliptical linear curved surface.

Furthermore, a radial downward slotted hole is formed in the jacking face of the adjusting rod, the detecting rod is in line contact with the jacking face on two sides of the slotted hole, the slotted hole is in a fan shape, the slotted holes in the upper jacking face and the lower jacking face are communicated with each other in the rotating shaft, the elastic part is provided with two tension springs, one end of each tension spring is sleeved on the rotating shaft, and the other end of each tension spring is fixedly connected with the two detecting rods respectively.

Furthermore, the cross-section of the adjusting rod is oval, the two side walls of the adjusting rod are tangent to the two side walls of the cavity, the jacking surface is perpendicularly intersected with the front end surface of the adjusting rod, and the width of the jacking surface is matched with the width of the detecting rod.

Further, the cross-section of the adjusting rod is oval, the two side walls of the adjusting rod are tangent to the two side walls of the cavity, the jacking surface is the bottom surface of a groove formed by downwards cutting the surface of the adjusting rod, and the distance is arranged between the front edge of the jacking surface and the front end face of the adjusting rod.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the detection rods with spherical end surfaces are arranged on the jacking surfaces of the adjusting rods, so that the rotation of the adjusting rods is converted into the linear motion of the detection rods, and the diameter phi of the inner circle of the groove product is measured by utilizing the contact of the two detection rods and the inner circle of the groove product, so that the measurement accuracy is improved, and the measurement range is greatly improved; through the adjustability of the end face distance of the detection rod, the measuring of the diameters of the inner circles of groove products of different specifications is achieved, the equipping and the replacement of measuring heads of height meters of various specifications are reduced, the working efficiency is improved, the cost is reduced, the device is multifunctional, the universality is good, and the management is convenient.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic diagram of a groove product to be measured.

Fig. 2 is a schematic structural diagram of the present invention.

FIG. 3 is a schematic view of another state structure of the present invention.

Fig. 4 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.

Detailed Description

As shown in fig. 2, an adjustable height gauge probe includes a housing 1, a detecting rod 2 and an adjusting rod 3. The casing 1 is provided with a cavity 11 in the axial direction, two through holes which are vertically communicated are arranged above and below the cavity 11 of the casing 1, and the through holes are positioned at the front end of the casing 1. The cross-section overall dimension and the perforation phase-match of measuring rod 2, measuring rod 2 are equipped with two, and two measuring rods 2 wear to establish respectively in two perforations, and the outer terminal surface of two measuring rods 2 is spherical. The adjusting rod 3 is rotatably arranged in the cavity 11 through a rotating shaft 4 connected with the shell 1, the adjusting rod 3 is positioned between the two detecting rods 2, the adjusting rod 3 is provided with two jacking surfaces 31 capable of pushing the two detecting rods 2 to move up and down in respective corresponding through holes, the two jacking surfaces 31 are centrosymmetric, the two jacking surfaces 31 are in line contact with the inner end surfaces of the two detecting rods 3 in the axial direction, and the jacking surfaces 31 are involute-shaped or elliptical linear curved surfaces. The jacking surface 31 of the adjusting rod 3 is provided with a radial downward slotted hole 32, and the inner end surface of the detecting rod 2 is in line contact with the jacking surface 31 at two sides of the slotted hole 32. The slotted hole 32 is fan-shaped, and the slotted holes 32 on two upper and lower jacking faces 31 are linked together in pivot 4 department, and the one end of two measuring stick 2 in cavity 11 rotates with pivot 4 through extension spring 5 respectively and is connected, and the one end of extension spring 5 all overlaps and is established on pivot 4, and the other end respectively with two measuring stick 2 fixed connection.

The first embodiment is as follows: as shown in fig. 1 and 4, the section of the adjusting rod 3 is oval, two side walls of the adjusting rod 3 are tangent to two side walls of the cavity 11, the jacking surface 31 is vertically intersected with the front end surface of the adjusting rod 3, and the width of the jacking surface 31 is matched with the width of the detecting rod 2.

Example two: as shown in fig. 1 and 5, the cross section of the adjusting rod 3 is oval, two side walls of the adjusting rod 3 are tangent to two side walls of the cavity 11, the jacking surface 31 is a bottom surface of a groove formed by cutting downwards along the surface of the adjusting rod 2, and a distance is arranged between the front edge of the jacking surface 31 and the front end surface of the adjusting rod 3.

The working principle is as follows: as shown in fig. 2 and 5, during operation, this gauge head stretches into the interior circle department of recess product under initial condition (as shown in fig. 2) earlier, rotate the regulation pole 3, adjust pole 3 and rotate around 4 axles, the jacking face 31 promotes the measuring rod 2 and perforates outward movement along casing 1, until two outer ends of measuring rod 2 support and press the lateral wall at interior circle, can read out the interior circle diameter of recess product through the size display device (not shown in the figure) that this gauge head rear end is connected this moment, after finishing measuring, reverse rotation adjusts pole 3, under the effect of extension spring 4, two measuring rods 2 reply initial condition, then from in the recess product withdraw from this gauge head can again.

The present invention is not limited to the above-described embodiments, and various modifications made without inventive step from the above-described concept will fall within the scope of the present invention for those skilled in the art.

Claims

1. The adjustable height gauge measuring head is characterized by comprising a shell, two detection rods and an adjusting rod, wherein a cavity is axially arranged in the shell, two through holes which are vertically communicated are formed in the upper portion and the lower portion of the shell, the through holes are located at the front end of the shell, the cross section outline dimensions of the detection rods are matched with the through holes, the two detection rods are respectively arranged in the two through holes in a penetrating mode, the outer end faces of the two detection rods are spherical faces, the adjusting rod is rotatably arranged in the cavity through a rotating shaft connected with the shell, the adjusting rod is located between the two detection rods, the adjusting rod is provided with two jacking faces capable of pushing the two detection rods to move up and down in the corresponding through holes, the two jacking faces are centrosymmetric with each other, the two jacking faces are in line contact with the inner end faces of the two detection rods in the axial direction, and one ends of the two detection rods in the cavity are respectively connected with the rotating shaft through elastic pieces in a rotating mode;

the lifting surfaces of the adjusting rods are provided with radial downward slotted holes, the inner end surfaces of the detecting rods are in contact with the lifting surface lines at two sides of the slotted holes, the slotted holes are fan-shaped, the slotted holes in the upper lifting surface and the lower lifting surface are communicated at a rotating shaft, the elastic part is two tension springs, one end of each tension spring is sleeved on the rotating shaft, and the other end of each tension spring is fixedly connected with the two detecting rods;

the jacking surface is an involute or elliptic linear curved surface;

utilize adjustable height appearance gauge head is when measuring the interior circle diameter of recess product, earlier with adjustable height appearance gauge head stretches into the interior circle department of recess product under initial condition, rotates the regulation pole, adjusts the rotation of axes, and the jacking face promotes the measuring staff and perforates the outward movement along the casing, supports until two outer ends of measuring staff and presses at the lateral wall of interior circle, reads out the interior circle diameter of recess product through size display device this moment, and after the measurement finishes, reverse rotation adjusts the pole, and under the effect of extension spring, two measuring staff reply initial condition, then retreat from in the recess product adjustable height appearance gauge head.

2. The adjustable height gauge probe of claim 1, wherein the cross-section of the adjustment rod is oval, the two side walls of the adjustment rod are tangent to the two side walls of the cavity, the jacking surface perpendicularly intersects the front end surface of the adjustment rod, and the width of the jacking surface matches the width of the detection rod.

3. An adjustable height gauge probe according to claim 1 wherein the cross-section of the adjustment bar is oval, the two side walls of the adjustment bar are tangent to the two side walls of the cavity, the jacking surface is the bottom surface of a groove cut down the surface of the adjustment bar, and the front edge of the jacking surface is spaced from the front end surface of the adjustment bar.