CN217953333U - Opening size measuring tool - Google Patents

Abstract

The utility model relates to a size measurement technical field particularly, relates to an opening size measurement instrument. The opening size measuring tool comprises a support frame, a rotary table and a plurality of plug gauges; the rotating disc is rotatably connected to the supporting frame, the plug gauges are all installed on the rotating disc, the central axes of the plug gauges are all perpendicular to the rotating axis of the rotating disc, and the central axes of the plug gauges are all located in the same plane; the diameters of the plug gauges are gradually increased along the circumferential direction of the rotating disc. The utility model provides an opening size measuring tool only needs to place the support frame suitable position, rotates the carousel, can estimate out the opening size fast, need not to take the feeler gauge one by one, also need not to put back the feeler gauge one by one and examines a box, has simplified the testing procedure greatly, and the time that consumes is shorter, and detection efficiency is higher, is particularly useful for the detection of big batch work piece.

Description

Opening size measuring tool

Technical Field

The utility model relates to a size measurement technical field particularly, relates to an opening size measurement instrument.

Background

In the prior art, a plug gauge is often used for measuring the opening size of a target workpiece (such as the opening size of a photovoltaic section), the opening size needs to be measured sequentially from small to large according to the diameter of the plug gauge in each measuring process until the plug gauge which cannot enter the opening is met, then the opening size of the target workpiece is estimated by using the plug gauge and a plug gauge size interval which is one smaller than the plug gauge, and the plug gauge is put back into a detection tool box after the plug gauge is used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a size measuring tool to the detection procedure that the opening size of alleviating among the prior art stopper rule measurement target work piece exists is loaded down with trivial details, technical problem that detection efficiency is low.

The utility model provides an opening size measuring tool, including support frame, carousel and a plurality of feeler gauge.

The rotating disc is rotatably connected to the supporting frame, the plug gauges are all installed on the rotating disc, the central axes of the plug gauges are all perpendicular to the rotating axis of the rotating disc, and the central axes of the plug gauges are all located in the same plane; the diameters of the plug gauges are gradually increased along the circumferential direction of the rotating disc.

Preferably, as an implementation mode, a plurality of first mounting holes arranged at intervals along the circumferential direction are formed in the annular side wall of the rotary table, and the plug gauge is fixedly inserted into the first mounting holes.

Preferably, as an implementable way, the carousel comprises a rigid disc and an elastic ring, which is sleeved to an annular edge of the rigid disc.

The rigid disc is rotatably connected with the supporting frame, the first mounting hole is formed in the elastic ring, and the plug gauge is in interference fit with the first mounting hole.

Preferably, as an implementation mode, the annular edge of the rigid disk is provided with an annular protrusion, the inner side of the elastic ring is provided with an annular groove, and the annular protrusion is matched with the annular groove.

Preferably, as an embodiment, the first mounting hole has a conical hole section, and the cross-sectional area of the conical hole section gradually increases from inside to outside.

Preferably, as an embodiment, the first mounting hole has a cylindrical hole section, and the cylindrical hole section is connected with the inner end of the conical hole section.

Preferably, as an embodiment, the shape of the turntable is a circle, and the rotation axis of the turntable coincides with the center of the turntable;

and/or the depth of the first mounting hole is larger than half of the length of the plug gauge, and the depth of the first mounting hole is smaller than the length of the plug gauge.

Preferably, as an implementable mode, the support frame includes a base, a cross rod and a vertical rod, the vertical rod is installed in the base, the cross rod is installed in the vertical rod, the turntable is provided with a second mounting hole, and the cross rod is in running fit with the second mounting hole.

Preferably, as an implementation mode, the cross bar is provided with a third mounting hole, and the third mounting hole is in sliding fit with the vertical bar.

The cross rod is provided with a threaded hole, and the threaded hole is communicated with the third mounting hole; the threaded hole is internally provided with a threaded locking part, and the end part of the threaded locking part is used for being locked by the vertical rod butt.

Preferably, as an implementation mode, a nut is fixed on the base, a thread is arranged at the end of the vertical rod, and the nut is in threaded fit with the end of the vertical rod;

and/or, a through hole is formed in the base, and the vertical rod is matched with the through hole.

Compared with the prior art, the beneficial effects of the utility model reside in that:

when the size of the opening of the target workpiece needs to be measured, the turntable can be rotated in advance according to the direction of the opening, so that the plug gauge with the smaller diameter is rotated to the position opposite to the opening; then, the support frame is placed on the target workpiece or close to the target workpiece, and the position of the support frame is adjusted to enable the plane where the central axes of the plug gauges are located to coincide with the opening, on the basis, when the turntable rotates around the rotation axis of the turntable, the plug gauges can be smoothly inserted into the opening of the target workpiece; the turntable is rotated to enable the turntable to rotate along the direction that the diameter of the plug gauge is gradually reduced, in the process, the diameter of the plug gauge entering the opening can be gradually increased, when the diameter of the plug gauge entering the opening is larger than the size of the opening, the plug gauge cannot enter the opening of the target workpiece, the turntable cannot continuously rotate and stays at the current position, at the moment, the size of the opening can be estimated according to the diameter of the blocked plug gauge and the diameter of the plug gauge entering the opening adjacent to the blocked plug gauge, and namely the size of the opening is between the diameter of the blocked plug gauge and the diameter of the plug gauge entering the opening adjacent to the blocked plug gauge.

Therefore, the utility model provides an opening size measuring tool only needs place the support frame suitable position, rotates the carousel, can estimate out the opening size fast, need not to take the feeler gauge one by one, also need not to put back the feeler gauge one by one and examine a box, has simplified the testing procedure greatly, and the time that consumes is shorter, and detection efficiency is higher, is particularly useful for the detection of big batch work piece.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic perspective view of an opening dimension measuring tool according to an embodiment of the present invention when measuring an opening dimension of a target workpiece;

fig. 2 is a schematic side view of an opening dimension measuring tool according to an embodiment of the present invention when measuring an opening dimension of a target workpiece;

fig. 3 is a schematic view of an assembly structure of a rigid disk and a bearing in an opening dimension measuring tool according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of an elastic ring in an opening dimension measuring tool according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structural view of an elastic ring in an opening dimension measuring tool according to an embodiment of the present invention;

fig. 6 is a sectional view of an assembly structure of a plug gauge and a rotary table in an opening dimension measuring tool according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a cross bar in an opening dimension measuring tool according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a vertical rod in an opening dimension measuring tool according to an embodiment of the present invention;

fig. 9 is a sectional view of an assembly structure of a base and a vertical rod in an opening dimension measuring tool according to an embodiment of the present invention.

Description of the reference numerals:

100-a support frame; 110-a base; 120-a cross-bar; 121-a third mounting hole; 122-a threaded hole; 130-a vertical bar; 140-a threaded fastener; 150-a nut;

200-a turntable; 210-a rigid disc; 211-annular projection; 220-an elastic ring; 221-a first mounting hole; 222-an annular groove; 230-a bearing;

300-plug gauge;

400-a target workpiece; 410-opening.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present embodiment provides an opening dimension measuring tool including a support frame 100, a rotary table 200, and a plurality of plug gauges 300; the turntable 200 is rotatably connected to the support frame 100, the plug gauges 300 are all mounted on the turntable 200, the central axes of the plug gauges 300 are all perpendicular to the rotation axis of the turntable 200, and the central axes of the plug gauges 300 are all located in the same plane; the plurality of plug gauges 300 gradually increase in diameter in the circumferential direction of the dial 200.

When the size of the opening 410 of the target workpiece 400 needs to be measured, the rotating disc can be rotated in advance according to the orientation of the opening 410, so that the plug gauge 300 with the smaller diameter is rotated to the position opposite to the opening 410; then, the support frame 100 is placed on the target workpiece 400 or at a position close to the target workpiece, and the position of the support frame 100 is adjusted to make the plane where the central axes of the plug gauges 300 are located coincide with the opening 410, on the basis, when the turntable 200 rotates around the rotation axis thereof, the plug gauges 300 can be smoothly inserted into the opening 410 of the target workpiece 400; the dial 200 is rotated to rotate the dial 20 in a direction of decreasing the diameter of the plug gauge 300, during which the diameter of the plug gauge 300 entering the opening 410 increases gradually, and when the diameter of the plug gauge 300 entering the opening 410 is larger than the size of the opening 410, the plug gauge 300 cannot enter the opening 410 of the target workpiece 400, and the dial 200 cannot rotate further and stays at the current position, and at this time, the size of the opening 410, that is, the size of the opening 410 is estimated between the diameter of the blocked plug gauge 300 and the diameter of the plug gauge 300 of the adjacent opening 410, according to the diameter of the blocked plug gauge 300 and the diameter of the plug gauge 300 of the adjacent opening 410.

Therefore, the opening size measuring tool that this embodiment provided only needs place suitable position with support frame 100, rotates carousel 200, can estimate out opening 410's size fast, need not to take plug gauge 300 one by one, also need not to put plug gauge 300 back into one and examine a box one by one, has simplified the detection step greatly, and the time that consumes is shorter, and detection efficiency is higher, is particularly useful for the detection of big batch work piece.

Specifically, the diameter difference between any two adjacent plug gauges 300 can be set to 0.01mm, which is beneficial to ensuring the accuracy of the measurement result. In addition, the number of the first mounting holes 221 may be set to 20 to 30, and a more reasonable size detection range may be obtained within this range.

The annular side wall of the turntable 200 can be provided with a plurality of first mounting holes 221 which are circumferentially arranged at intervals, and the plug gauge 300 and the first mounting holes 221 on the turntable 200 are fixedly inserted, so that the plug gauge 300 can be limited and fixed by the first mounting holes 221, and the plug gauge 300 can be conveniently inserted into the first mounting holes 221 during assembly.

Referring to fig. 3 to 6, a rigid disc 210 and an elastic ring 220 may be disposed in a specific structure of the turntable 200, the elastic ring 220 is sleeved on an annular edge of the rigid disc 210, and the rigid disc 210 is rotatably connected to the supporting frame 100 to ensure the position reliability and the rotational stability of the turntable 200; set up above-mentioned first mounting hole 221 in elastic ring 220, on this basis, can adopt interference fit's mode with plug gauge 300 and first mounting hole 221 to peg graft fixedly, so, can improve the firm in connection nature of plug gauge 30 and carousel 200, plug gauge 300 is difficult for droing, in addition, still can realize plug gauge 300's detachability, not only can change plug gauge 300 as required and change, and when needs are accomodate, can pull down plug gauge 300 and separately exist, be convenient for reduce occupation space, and be not fragile during the transportation.

Preferably, an annular protrusion 211 is disposed on an annular edge of the rigid disc 210, and an annular groove 222 is disposed on an inner side of the elastic ring 220, so that the annular protrusion 211 is engaged with the annular groove 222, so as to ensure the coupling firmness of the elastic ring 220 and the rigid disc 210, and the elastic ring 220 is not easily separated from the rigid disc 210.

Preferably, the first mounting hole 221 has a conical hole section, and the cross-sectional area of the conical hole section is gradually increased from inside to outside, that is, the outer end of the first mounting hole 221 has a larger hole diameter, which is beneficial to smoothly insert the plug gauge 300 into the first mounting hole 221.

Further, the first mounting hole 221 further has a cylindrical hole section, and the cylindrical hole section is connected to the inner end of the conical hole section, so that the assembly firmness between the first mounting hole 221 and the plug gauge 300 can be improved on the premise that the plug gauge 300 is smoothly inserted.

Specifically, the aperture of the outer end of the first mounting hole 221 may be set to be larger than the diameter of the plug gauge 300, and the aperture of the inner end of the first mounting hole 221 may be set to be smaller than the diameter of the plug gauge 300, so that smooth insertion of the plug gauge 300 and the assembly firmness between the first mounting hole 221 and the plug gauge 300 may be ensured.

Specifically, the rigid plate 210 may be made of metal, and the elastic ring 220 may be made of rubber.

Preferably, the shape of the rotary table 200 may be set to be circular, and the rotation axis of the rotary table 200 may be set to coincide with the center of the rotary table 200, so that, in the case where the exposed lengths of the plug gauges 300 are the same, as long as one plug gauge 300 having a diameter smaller than the size of the opening 410 of the target workpiece 400 can smoothly enter the opening 410 and pass through the opening 410, and the other plug gauges 300 having a diameter smaller than the size of the opening 410 can smoothly enter the opening 410 and pass through the opening 410 (of course, the case where the plug gauge 300 having a right angle larger than the size of the opening 410 cannot enter the opening 410 is not considered here), that is, regardless of the orientation to which the rotary table 200 is rotated, the plug gauge 300 having a diameter smaller than the size of the opening 410 can smoothly enter the opening 410, that is, as long as the selected plug gauge 300 has the same length and the depth of the first mounting hole 221 is the same, the measurement can be smoothly completed only by adjusting the distance between the rotation axis of the rotary table 200 and the opening 410.

Specifically, the depth of the first mounting hole 221 is set to be greater than half the length of the plug gauge 300, and the depth of the first mounting hole 221 is set to be less than the length of the plug gauge 300, so that the fixing effect of the first mounting hole 221 to the plug gauge 300 is facilitated to be ensured, and the plug gauge 300 can be ensured to be exposed.

Referring to fig. 1 and 2, in the specific structure of the support frame 100, a base 110, a cross bar 120 and a vertical bar 130 may be disposed, the vertical bar 130 is mounted on the base 110, the cross bar 120 is mounted on the vertical bar 130, a second mounting hole is formed in the turntable 200, and the cross bar 120 is rotatably fitted with the second mounting hole, so that the turntable 200 and the support frame 100 can be rotatably connected. Specifically, the second mounting hole opens on the rigid disk 210 of the turntable 200.

Preferably, referring to fig. 1 to 3, the second mounting hole of the turntable 200 may be rotatably engaged with the cross bar 120 through the bearing 230, so that the frictional resistance of the turntable 200 during rotation may be reduced, the turntable 200 may rotate more smoothly, the wear may be reduced, and the service life may be prolonged.

Further, referring to fig. 1, 2 and 7, a third mounting hole 121 may be formed in the cross bar 120, the third mounting hole 121 is slidably matched with the vertical bar 130, meanwhile, a threaded hole 122 is formed in the cross bar 120, the threaded hole 122 is communicated with the third mounting hole 121, a threaded locking member 140 is mounted in the threaded hole 122, and an end of the threaded locking member 140 is abutted against and locked to the vertical bar 130, when the height of the cross bar 120 needs to be adjusted, the threaded locking member 140 is screwed, so that the end is separated from the vertical bar 130, the cross bar 120 can move up and down along the vertical bar 130, the height adjustment of the cross bar 120 is realized, and further, the height adjustment of the turntable 200 is realized to match the openings 410 of the target workpieces 400 with different heights, so that the adaptability is stronger; after the turntable 200 is adjusted to a suitable height, the thread locking member 140 can be screwed to tightly support the end of the vertical rod 130, so that the cross rod 120 and the vertical rod 130 can be locked and fixed, and the turntable 200 can stably stay at the current height, thereby facilitating the subsequent measurement. Specifically, the threaded locking member 140 may be a screw, and the head of the screw may be configured to facilitate manual manipulation.

Referring to fig. 8 and 9, the nut 150 may be fixed on the base 110, and the end of the vertical rod 130 is provided with a thread, and the nut 150 is engaged with the end of the vertical rod 130, so that the vertical rod 130 and the base 110 can be fixed to each other, and the nut 150 has a better locking effect.

The base 110 can be further provided with a through hole, the vertical rod 130 is matched with the through hole, and the vertical rod 130 can be limited by the hole wall of the through hole, so that the fixing effect of the base 110 on the vertical rod 130 is improved.

To sum up, the embodiment of the utility model discloses opening size measuring tool, it has overcome a great deal of technical defect of the opening size of traditional plug gauge measurement target work piece. The embodiment of the utility model provides an opening size measuring tool only needs to place suitable position with support frame 100, rotates carousel 200, can estimate out the size of the opening 410 of target work piece 400 fast, need not to take feeler gauge 300 one by one, also need not to put back feeler gauge 300 one by one and examines a box, has simplified detection procedure greatly, and the time that consumes is shorter, and detection efficiency is higher, is particularly useful for the detection of big batch work piece.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (10)

1. An opening size measuring tool is characterized by comprising a support frame (100), a rotating disc (200) and a plurality of plug gauges (300);

the turntable (200) is rotatably connected to the support frame (100), a plurality of plug gauges (300) are mounted on the turntable (200), the central axes of the plug gauges (300) are perpendicular to the rotation axis of the turntable (200), and the central axes of the plug gauges (300) are located in the same plane; the diameters of the plug gauges (300) are gradually increased along the circumferential direction of the rotating disc (200).

2. The opening size measuring tool according to claim 1, wherein a plurality of first mounting holes (221) are formed in the annular side wall of the rotating disc (200) and are circumferentially arranged at intervals, and the plug gauge (300) is fixedly inserted into the first mounting holes (221).

3. The opening size measuring tool according to claim 2, wherein the turntable (200) comprises a rigid disk (210) and an elastic ring (220), the elastic ring (220) is sleeved on the annular edge of the rigid disk (210);

rigid disc (210) with support frame (100) rotate to be connected, first mounting hole (221) are seted up in elasticity circle (220), feeler gauge (300) with first mounting hole (221) interference fit.

4. The opening size measuring tool according to claim 3, wherein the annular edge of the rigid disk (210) is provided with an annular protrusion (211), the inner side of the elastic ring (220) is provided with an annular groove (222), and the annular protrusion (211) is matched with the annular groove (222).

5. The opening dimension measuring tool according to claim 3, wherein the first mounting hole (221) has a conical hole section, the cross-sectional area of which is gradually increased from inside to outside.

6. The opening dimension measurement tool of claim 5, wherein the first mounting hole (221) has a cylindrical bore section that meets an inner end of the conical bore section.

7. The opening size measuring tool according to claim 2, wherein the turntable (200) is circular in shape, and the rotation axis of the turntable (200) coincides with the center of the turntable (200);

and/or the depth of the first mounting hole (221) is greater than half of the length of the plug gauge (300), and the depth of the first mounting hole (221) is less than the length of the plug gauge (300).

8. The opening dimension measuring tool according to any one of claims 1-7, wherein the supporting frame (100) comprises a base (110), a cross bar (120) and a vertical bar (130), the vertical bar (130) is mounted on the base (110), the cross bar (120) is mounted on the vertical bar (130), the turntable (200) is provided with a second mounting hole, and the cross bar (120) is rotatably matched with the second mounting hole.

9. The opening dimension measuring tool of claim 8, wherein the cross bar (120) is provided with a third mounting hole (121), and the third mounting hole (121) is slidably engaged with the vertical bar (130);

a threaded hole (122) is formed in the cross rod (120), and the threaded hole (122) is communicated with the third mounting hole (121); install screw retaining member (140) in screw hole (122), the tip of screw retaining member (140) be used for with montant (130) butt locking.

10. The opening dimension measuring tool according to claim 8, wherein a nut (150) is fixed on the base (110), the end of the vertical rod (130) is provided with a thread, and the nut is in threaded fit with the end of the vertical rod (130);

and/or, a through hole is formed in the base (110), and the vertical rod (130) is matched with the through hole.

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