CN101881588B - Threaded ring - Google Patents

Abstract

A thread ring gauge comprises a body, at least one adjusting element, at least one positioning groove and a gauge block. The body is provided with an inner ring surface and an outer ring surface, the inner ring surface is provided with threads for contact detection of an object to be detected, a gap is arranged between the inner ring surface and the outer ring surface, so that the body is provided with a first block and a second block, the two blocks form the gap by the end surface, the first block is provided with at least one first hole, the second block is provided with at least one second hole, the first hole and the second hole are positioned on the same axis and penetrate through the end surfaces of the two blocks, and at least one hole penetrates through the outer ring surface; the at least one adjusting element penetrates through the first hole and the second hole and is used for separating or drawing close the two ends of the crack body and fixing the crack body; at least one positioning groove arranged at least one of the two tail ends of the body and extending towards the outer ring surface to form an opening; the block gauge is accommodated in the positioning groove.

Description

Threaded ring

technical field

The present invention relates to a threaded ring gauge, and more particularly to a threaded ring gauge which can be used to reduce the inner diameter of the inner measuring surface.

Background technique

Existing thread ring gauges use the measuring threads on the inner measuring surface of the ring gauge body to detect whether the thread of the screw or screw meets the specifications. Therefore, the precision of the thread ring gauge is extremely high, while the inner measuring surface of the existing thread ring gauge The inner diameter is divided into a fixed size method and a method that can reduce the inner diameter of the inner measurement surface.

Among them, the threaded ring gauge of the fixed size method taps an internal measuring thread of a predetermined size from a body, because the internal measuring thread of the threaded ring gauge of the fixed size method cannot be changed, therefore, the thread of the internal measuring surface 1. The inner diameter will be worn due to long-term use, which will cause the inner diameter of the threaded ring gauge to become larger and cannot continue to be used.

In addition, there are existing thread ring gauges that can reduce the inner diameter of the inner measuring surface, such as the US Patent No. 1,447,448 "thread ring gauge with flush pin". The existing threaded ring gauge includes an adjustable split body and a sleeve, the split body has an inner measuring surface, the inner measuring surface is used to contact with the object to be measured, the sleeve is set and tightly combined with the split body In the two holes at the two ends of the ring to avoid relative lateral movement of the holes, the threaded ring gauge also includes a device aligned with the sleeve, and the device partially extends into the sleeve to separate or draw the The two ends of the crack body.

When the above existing threaded ring gauge is in use, it is usually necessary to adjust the adjusting screw to correct the inner diameter of the inner measuring surface of the threaded ring gauge body until the inner diameter of the inner measuring surface of the threaded ring gauge body conforms to the size to be measured, and then Fill the crack with wax, and use the solidified wax to confirm that the adjusting screw is at a predetermined position. When the solidified wax cracks, it can be used to judge that the internal diameter of the inner measuring surface of the thread ring gauge body is no longer the predetermined size. Therefore, It is necessary to recalibrate the inner diameter of the inner measuring surface of the threaded ring gauge body.

However, because the solidified wax is extremely fragile, or when the solidified wax is cracked due to collision, drop, or temperature change, the internal diameter of the inner measuring surface of the thread ring gauge body must be recalibrated, otherwise the manufactured screws and screw rods will be damaged. Possible out-of-spec.

Generally speaking, the above-mentioned existing fixed-size thread ring gauge has a limited service life. Relatively speaking, the cost of the fixed-size thread ring gauge is relatively high. And this thread ring gauge that can reduce the inner diameter of the inner measuring surface, because the solidified wax used to judge whether the inner diameter of the inner measuring surface of the threaded ring gauge body conforms to the corrected size is extremely fragile, when the solidified wax has cracks, it needs to be repaired again. Calibrate and confirm the inner diameter of the inner measuring surface of the threaded ring gauge body. Moreover, since the tolerance of the internal diameter of the inner measuring surface of the threaded ring gauge body is very small, usually about 8 μm, the adjustment is difficult and not easy to adjust. Based on the above reasons, it is necessary to further improve the above-mentioned existing threaded ring gauges.

Contents of the invention

The invention provides a threaded ring gauge, the main purpose of which is to conveniently correct the inner diameter of the inner measuring surface of the threaded ring gauge body.

A second object of the present invention is to fix the inner diameter of the inner measuring surface of the threaded ring gauge at a corrected dimension.

Another object of the present invention is to repeatedly calibrate the inner diameter of the inner measuring surface of the threaded ring gauge, so that the threaded ring gauge has a longer service life, so as to reduce the cost of the user of the threaded ring gauge.

Another object of the present invention is to prevent the two ends of the threaded ring gauge from axially shifting.

In order to achieve the aforementioned object of the invention, the technical means used in the present invention and the effects that can be achieved by means of the technical means include: a body, an adjustment element, a positioning groove and a block gauge. The body is provided with an inner ring surface and an outer ring surface. The inner ring surface is provided with threads for contact detection of the object to be tested. There is a gap between the inner ring surface and the outer ring surface so that the body forms a first block and A second block, and the two blocks form the crack from the end face, the first block is provided with a first hole, the second block is provided with a second hole, the first hole and the second hole are located On the same axis line and through the end faces of the two blocks, and at least one hole runs through the outer ring surface; the adjustment element is passed through the first hole and the second hole, and is used to separate or draw the Crack the two ends of the main body and fix them; wherein, the first and second holes and the adjustment elements matched with them are more than one set; at least one accommodating groove is arranged at least one of the two ends of the main body end, and extend toward the outer ring surface to form an opening; the block gauge is accommodated in the accommodation groove.

The beneficial technical effects of the present invention are that the threaded ring gauge of the present invention can conveniently correct the inner diameter of the inner measuring surface of the ring gauge body, and fix the corrected inner measuring surface inner diameter, and the ring gauge can repeatedly correct the inner measuring surface The inner diameter of the surface makes the ring gauge have a longer service life to reduce the cost of the user of the ring gauge, and the positioning groove of the present invention can further prevent the first block and the second block of the ring gauge from producing axial offset.

Description of drawings

Fig. 1: A perspective view of a ring gauge of the first embodiment of the present invention.

Figure 2: Side view of the ring gauge of the first embodiment of the present invention.

Fig. 3: A sectional view of the ring gauge of the first embodiment of the present invention.

Figure 4: Schematic diagram of the use of the ring gauge of the first embodiment of the present invention.

Fig. 5: Schematic diagram of wear and tear of the ring gauge in the first embodiment of the present invention.

Fig. 6: The ring gauge of the first embodiment of the present invention is worn out, and the schematic diagram of the block gauge after replacement.

Fig. 7: A perspective view of a ring gauge provided with a positioning groove according to the second embodiment of the present invention.

Fig. 8: A perspective view of the ring gauge of the third embodiment of the present invention.

Figure 9: Cross-sectional view of a block gauge of a third embodiment of the present invention.

Fig. 10: Perspective view of the ring gauge of the fourth embodiment of the present invention.

Figure 11: Cross-sectional view of a block gauge of a fourth embodiment of the present invention.

Fig. 12: A perspective view of the ring gauge of the fifth embodiment of the present invention.

Description of main component symbols:

1 body 10 fissure 11 first block 12 second block 13 inner ring

14 outer ring surface 15 first hole 16 second hole 17 buffer slit 18 gap

2 Adjustment element 21 Combination end 22 Action end P clearance

3a, 3b, 3c, 3d positioning groove 4a, 4b, 4c, 4d block gauge

A1, A2, A3 diameters D Inner diameter of the measuring surface D1 becomes larger inner diameter of the measuring surface

B1 first distance B2 second distance C1 first distance C2 second distance

C3 third spacing

Detailed ways

In order to make the above-mentioned and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention are specifically cited below, together with the accompanying drawings, as follows:

Referring to FIGS. 1 to 3 , the threaded ring gauge according to the first embodiment of the present invention includes a body 1 , an adjusting element 2 , at least one positioning groove 3 a and a gauge 4 a.

The main body 1 is provided with a slit 10 , a first block 11 , a second block 12 , an inner ring surface 13 , an outer ring face 14 , a first hole 15 and a second hole 16 . The body 1 is formed with the first block 11 and the second block 12 by the slit 10, and the slit 10 forms a gap P between the end faces of the first block 11 and the second block 12; The ring surface 13 forms an inner diameter of the inner measuring surface, and the inner ring surface 13 is provided with threads for contact detection of the object to be tested; the outer ring surface 14 is located on the outer peripheral surface of the body 1; the first hole 15 is opened in the first On the end face of the block 11, the second hole 16 is opened on the end face of the second block 12, and the two holes 15, 16 correspond to the same axis. The first hole 15 in this embodiment is preferably selected as a threaded blind hole, of course, it can also be selected as a through hole; the second hole 16 is opened in the second block 12 of the body 1, and runs through the first hole 16. The end surface of the second block 12 and the outer ring surface 14 . The body 1 of this embodiment is preferably additionally provided with at least one buffer slit 17, the buffer slit 17 extends radially from the inner ring surface 13 of the body 1 to the outer ring surface 14 but does not penetrate the outer surface of the body 1. The ring surface 14 , and the buffer slit 17 axially penetrates the body 1 . For example, the body 1 of this embodiment is preferably provided with two buffer slits 17, and of course other numbers of buffer slits 17 can also be selected. In this way, when a force of radial contraction is applied to the body 1, When the inner diameter of the inner measuring surface of the main body 1 shrinks radially, it can form a circle more uniformly.

Referring to FIGS. 1 to 3 again, the adjusting element 2 of the present invention passes through the second hole 16 and is combined with the first hole 15 . For example, the adjustment element 2 of this embodiment includes a joint end 21 and an action end 22, and the outer peripheral surface of the joint end 21 is provided with threads, so as to be screwed into the first hole 15 correspondingly, so that the adjustment element 2 can be The joint end 21 passes through the second hole 16, and the tool can be used to drive and rotate by means of the action end 22, so that the joint end 21 of the adjustment element 2 can be screwed into the first hole 15, so as to separate or The two ends of the slit 10 located on the main body 1 are drawn closer.

Please refer to FIGS. 1 to 3 again. In the first embodiment of the present invention, two positioning grooves 3a are selected, and the two positioning grooves 3a are respectively recessed in the body 1 to form a first block 11 and a second block 12. and the two positioning grooves 3a respectively extend toward the outer ring surface 14 of the body 1 and form an opening, and the two positioning grooves 3a and the gap between the two positioning grooves 3a jointly form an accommodating groove The shape of the accommodating groove can form various geometric shapes. For example, in this embodiment, two arc-shaped positioning grooves 3a are preferably selected so that the two positioning grooves 3a and the two positioning grooves 3a are located between the two positioning grooves 3a. The slits together form a cylindrical accommodation tank.

Please refer to shown in Figure 4, the block gauge 4a of the first embodiment of the present invention can be accommodated in the two positioning grooves 3a, and the block gauge 4a has a predetermined radial dimension. In this embodiment, the block gauge 4a is selected for Should two locating grooves 3a and the slit therebetween form the cylindrical shape of accommodating groove jointly, and make this block rule 4a have a predetermined diameter A1, and the predetermined diameter of this block rule 4a can also be set as multiple different sizes, for example, It can do arithmetic decreasing design A2, A3...etc.

Please refer to Figures 2 and 4, when using the threaded ring gauge of the first embodiment of the present invention, it is only necessary to place a block gauge 4a with a predetermined diameter A1 into the two positioning grooves 3a and between the two positioning grooves 3a In the accommodating groove jointly formed by the slits, the joint end 21 of the adjustment element 2 is passed through the second hole 16, and by driving the action end 22, the joint end 21 is screwed into the first hole 15 , so that the gap P is gradually reduced until the block gauge 4a with diameter A1 is firmly clamped between the two positioning grooves 3a, so that the adjustment element 2 cannot continue to rotate, so that the threaded ring gauge The inner ring surface 13 has an inner diameter D of the inner measuring surface.

Please refer to FIG. 5 , when the threaded ring gauge formed with a predetermined diameter D is used for a long time, the inner ring surface 13 of the body 1 becomes larger due to wear and tear, and the inner diameter D1 of the inner measuring surface does not meet the predetermined specification. It must be adjusted by means of the adjustment element 2, so that the gap 10 of the body 1 becomes larger, so that the block gauge 4a with a diameter A1 can be taken out, and a block gauge 4a with a smaller diameter A2 can be reinserted in the second position Groove 3a and the accommodating groove formed by the gap between the two positioning grooves 3a, and again by means of the fixing of the adjustment element 2, the block gauge 4a with a smaller diameter A2 is firmly clamped (as shown in the figure 6), in this way, the inner ring surface 13 of the body 1 can restore the originally set inner diameter D of the inner measuring surface.

In this way, the main body 1 can be determined by replacing the block gauge 4a with successively decreasing diameters (A1, A2, A3...), and only needing to adjust the adjustment element 2 until the block gauge 4a is firmly clamped. The inner ring surface 13 of the threaded ring gauge has a set inner diameter D of the measuring surface, so the threaded ring gauge can effectively improve the convenience of use and operation. In the threaded ring gauge of the present invention, the number of times the block gauge 4a can be replaced is preferably 3 to 4 times. Moreover, the shape of the accommodating groove formed by the two positioning grooves 3a and the gap between the two positioning grooves 3a can correspond to the shape of the block gauge 4a, that is, the accommodating groove has a shape similar to that of the block gauge 4a. Therefore, after the block gauge 4a is clamped in the two positioning grooves 3a, axial deviation of the first block 11 and the second block 12 of the body 1 can be prevented.

Please refer to FIG. 7 , the threaded ring gauge according to the second embodiment of the present invention, when the threaded ring gauge is only provided with a positioning groove 3a on the end face of one of the blocks, the inner ring surface 13 of the body 1 When the inner diameter D1 of the inner measurement surface becomes larger due to wear and does not meet the predetermined specification D, the positioning groove 3a, the gap between the positioning groove 3a and the other end section, and the other end surface jointly form an accommodation groove, and the The accommodating groove can still be used for the block gauge 4a whose diameter decreases in sequence (A1, A2, A3...), therefore, when the block gauge 4a is firmly clamped by means of the adjustment element 2, it can also achieve It is determined that the inner ring surface 13 of the body 1 has a set inner diameter D of the measuring surface. Moreover, in this embodiment, the first block 11 of the body 1 is provided with two first holes 15, and the second block 12 is also provided with two second holes 16, and the two first holes 15 and the two second holes 16 respectively correspond to the same axis line, therefore, when the two adjustment elements 2 respectively pass through the two second holes 16 and combine with the first hole 15, the block gauge 4a can be fixed Clamped between the positioning groove 3a and the other end face, and the formed accommodating groove has a shape matching the block specification 4a, so the first block 11 and the second block of the body 1 can be prevented from 12 produces an axial offset.

Please refer to Fig. 8, the threaded ring gauge of the third embodiment of the present invention. In this embodiment, the components of the threaded ring gauge are roughly the same as those of the first embodiment, and will not be repeated here. This embodiment only lies in the The cross-sectional shape of the block gauge 4b is selected as a rectangle.

Referring again to Figure 9, the cross section (rectangular section) of the block gauge 4b includes two groups of parallel opposite sides, wherein the first distance B1 between one group of parallel opposite sides is different from the first distance B1 between the other parallel opposite sides. Two spacing B2. For example, the size of the first distance B1 is larger than the second distance B2. In addition, as shown in FIG. The accommodating groove has a shape matched with the rectangular block gauge 4b, that is, the two groups of parallel opposite sides of the accommodating groove also have a larger first distance B1. In this way, firstly, the two parallel opposite sides formed with a larger first distance B1 are firmly clamped by the two end surfaces of the first block 11 and the second block 12 respectively, so that the inner ring surface 13 of the body 1 The inner diameter D of the measuring surface can be formed within a predetermined specification. When the inner ring surface 13 of the main body 1 is worn and causes the inner diameter of the inner measurement surface to become larger D1 does not meet the predetermined specification D, this embodiment can still rotate the block gauge 4b by 90° horizontally, so that the second gauge 4b can be formed The two parallel opposite sides of the distance B2 are firmly clamped by the two end surfaces of the first block 11 and the second block 12 respectively, and it can also be determined that the inner ring surface 13 of the main body 1 has a predetermined inner diameter D of the measuring surface.

Please refer to FIG. 10 , the threaded ring gauge of the fourth embodiment of the present invention. In this embodiment, the components of the threaded ring gauge are substantially the same as those of the first embodiment, and will not be repeated here. In this embodiment, only the cross-section of the block gauge 4c is formed with even-numbered sides (in this embodiment, a hexagon is taken as an example).

Referring again to Fig. 11, the cross section of the block gauge 4c includes three sets of parallel opposite sides, and the first spacing C1, the second spacing C2, and the third spacing C3 are respectively formed between the three groups of parallel opposite sides. . For example, the first distance C1 is larger than the second distance C2, and the second distance C2 is larger than the third distance C3. In addition, as shown in FIG. 10, the two positioning grooves 3c and the gap between the two positioning grooves 3b form a receiving groove together, and the receiving groove has a shape matching the rectangular block gauge 4c, that is, the There is also a relatively large first distance C1 between the three sets of parallel opposite sides of the accommodating groove. In this way, firstly, the two parallel opposite sides formed with a relatively large first distance C1 are firmly clamped by the two end surfaces of the first block 11 and the second block 12 respectively, so that the inner ring surface 13 of the body 1 The inner measuring surface inner diameter D may be formed to a predetermined specification. When the inner ring surface 13 of the main body 1 becomes larger due to wear and tear and the inner diameter D1 of the inner measurement surface does not meet the predetermined specification D, this embodiment can still rotate the block gauge 4c horizontally by a predetermined angle, so that the formed second The two parallel opposite sides of the two distances C2 are respectively firmly clamped by the two end surfaces of the first block 11 and the second block 12, and it can also be determined that the inner ring surface 13 of the body 1 has a set measurement surface inner diameter D . And, the two parallel opposite sides forming the third distance C3 are respectively firmly clamped by the two end surfaces of the first block 11 and the second block 12, and it can also be determined that the inner ring surface 13 of the body 1 has a set Determine the internal diameter D of the measuring surface.

Please refer to FIG. 12 , which shows the threaded ring gauge of the fifth embodiment of the present invention. In this embodiment, the components of the threaded ring gauge are substantially the same as those of the first embodiment, and will not be repeated here. In this embodiment, only oblique tapered surfaces with the same radian are formed on the hole walls of the two positioning grooves 3d and the outer peripheral surface of the block gauge 4d, and the two positioning grooves 3d and the gap therebetween together form a receiving groove. When block gauge 4d is put into this accommodating groove, make this locating groove 3d and the oblique cone surface of block gauge 4d can be in contact with each other, at the same time the oblique cone surface of this two contacts is provided with threaded part to be screwed together, therefore, utilize this block When the gauge 4d is rotated relative to the containing groove, and when the block gauge 4d is firmly clamped by means of the adjustment element 2, the inner ring surface 13 of the body 1 can be restored to the originally set inner diameter D of the inner measuring surface. .

In summary, the threaded ring gauge of the present invention clamps and fixes the block gauges 4a, 4b, 4c and 4d between the positioning grooves 3a, 3b, 3c and 3d, so that the threaded ring gauge of the present invention can When wear causes the inner diameter D1 of the inner measuring surface to become larger and does not meet the predetermined specification D, the inner ring surface 13 of the body 1 can be quickly and conveniently adjusted to have a set inner diameter D of the measuring surface. Moreover, when the block gauges 4a, 4b, 4c and 4d correspond to the positioning grooves 3a, 3b, 3c and 3d and the gaps therebetween, or the shape of the accommodating grooves formed between the end faces of the opposite side blocks , the threaded ring gauge of the present invention can also prevent the axial displacement of the first block 11 and the second block 12 of the body 1 . In addition, when the corner columns of the block gauges 4b and 4c include groups of parallel opposite sides, the distance between the groups of opposite sides can be designed as a group of progressively decreasing distances, or by means of the hole wall of the positioning groove 3d and the block gauge 4d When the outer peripheral surface of the outer peripheral surface forms an oblique cone surface and is screwed with the threaded part, the rotation of the block gauge 4d relative to the positioning groove 3d can also be used to achieve the same block gauge 4d and can be used for multiple rotations. The threaded ring of the present invention Regulations can effectively increase the convenience of use.

Among the above-mentioned different embodiments, the cross-sectional shape of the block gauge and the positioning groove of the present invention is best to be circular, so that the processing of the block gauge and the positioning groove is relatively easy. In addition, if the positioning groove is formed symmetrically on the end faces of the first block and the second block of the body, the block gauge accommodated in the positioning groove can prevent the first block and the second block of the body from Axial offset occurs.

The present invention has been described with the above-mentioned different embodiments, but no matter whether the positioning groove is set as one or two, and the first block and the second block of the body are respectively provided with two first holes and second holes, and then When the two adjusting elements are respectively passed through the two first holes and the second holes, it can also prevent the axial deviation of the first block and the second block of the body.

Claims (10)

1. A threaded ring gauge, which comprises: A body with an inner ring surface and an outer ring surface, the inner ring surface is provided with threads to form a measuring surface inner diameter, a gap between the inner ring surface and the outer ring surface forms the body with a first zone block and the second block, and the crack is formed by the end faces of the two blocks, the first block is provided with a first hole, the second block is provided with a second hole, the first hole and the second The two holes are located on the same axis line and run through the end faces of the two blocks, at least one of the first hole and the second hole runs through the outer ring surface, an adjustment element used to separate or close the two ends of the slit body and fix it, passing through the first hole and the second hole; Wherein, the first and second holes and the adjusting elements matched therewith are more than one set; at least one accommodating groove is arranged at at least one of the two ends of the body and extends toward the outer ring surface to form an opening; and A block gauge accommodated in the accommodating groove. 2. The threaded ring gauge according to claim 1, wherein the accommodating groove is composed of two corresponding positioning grooves respectively arranged at the two ends of the body, and a center of the two positioning grooves. The crack constitutes. 3 . The threaded ring gauge according to claim 1 , wherein the accommodating groove is formed by a positioning groove disposed at one end of the body, the slit, and an end surface of the other end. 4 . 4. The threaded ring gauge according to claim 2 or 3, wherein the cross section of the block gauge is circular. 5. The threaded ring gauge according to claim 4, wherein the accommodating groove has a shape matched with the block gauge. 6 . The threaded ring gauge according to claim 2 or 3 , wherein the cross section of the block gauge is an even-numbered polygon, and the groups of opposite sides of the even-numbered polygon form different spacings. 7. The threaded ring gauge according to claim 6, wherein the accommodating groove has a shape matched with the block gauge. 8. The threaded ring gauge according to claim 1, 2 or 3, wherein the first hole is a screw hole, and the adjustment element has a joint end screwed with the screw hole, and the The other end of the adjusting element forms an action end for driving the adjusting element to rotate. 9. The threaded ring gauge according to claim 1, 2 or 3, wherein the body is provided with at least one buffer slit, and the buffer slit extends radially from the inner ring surface of the body but does not penetrate the The outer ring surface of the body, and the buffer slit axially penetrates the body. 10. The threaded ring gauge according to claim 2, wherein the hole wall of the housing groove and the outer peripheral surface of the block gauge form an oblique cone surface, and the two oblique cone surfaces are provided with mutually screwed threads department.

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