CN111426248B

CN111426248B - Plug gauge

Info

Publication number: CN111426248B
Application number: CN202010336297.4A
Authority: CN
Inventors: 李治明; 王艺放; 毛迎超; 张�浩
Original assignee: Cnnc Star Construction Project Management Co ltd
Current assignee: Cnnc Star Construction Project Management Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-07-30
Anticipated expiration: 2040-04-26
Also published as: CN111426248A

Abstract

The invention relates to a clearance gauge, which comprises a measuring part and a handle part, wherein the measuring part comprises a fixed gauge and a movable gauge; the fixed ruler is fixedly provided with a convex block, the convex block is rotatably connected with a threaded rod, the movable ruler comprises a first movable ruler and a second movable ruler, the opposite end parts of the first movable ruler and the second movable ruler are fixedly connected with a connecting sheet, the first movable ruler is parallel to the second movable ruler, the second movable ruler is provided with a threaded hole and is in threaded connection with the threaded rod, and the movable ruler is parallel to the fixed ruler; handle portion is hollow structure, measuring part sliding connection is in handle portion, and the side of handle portion is equipped with the scale, measuring part is perpendicular with the side that handle portion was equipped with the scale. The invention has the advantages of higher detection precision and capability of detecting various gaps.

Description

Plug gauge

Technical Field

The invention relates to the technical field of supervision and detection equipment, in particular to a feeler gauge.

Background

Feelers are used to measure the size of the gap. When the dimension to be detected is qualified, the method can be used for judging, and an inspector can also judge according to the tightness degree of the fit between the feeler and the surface to be detected.

Chinese patent No. CN2495984Y discloses a building clearance gauge, which comprises a handle and a gauge body fixed on the handle, wherein the gauge body is provided with a cursor slidably fitted with rails on both sides of the gauge body, the cursor is formed by die casting, a slide plate is arranged in a cursor inner cavity formed between the cursor and the gauge body, one surface of the slide plate is attached to the gauge body, and a spring is arranged between the other surface of the slide plate and the inner wall of the cursor.

The above prior art solutions have the following drawbacks: two side edges of the ruler body on the handle form an included angle smaller than ninety degrees, and when a gap between two cambered surfaces or the distance between two spheres needs to be detected, the detection error is extremely large; meanwhile, the vernier is clamped on the side wall of the gap to be detected in a sliding mode to determine detection data, and errors are easily generated when the data are read due to the fact that the vernier is easy to slide.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a feeler gauge which has the advantages of high detection precision and capability of detecting various gaps.

The above object of the present invention is achieved by the following technical solutions:

a clearance gauge comprises a measuring part and a handle part, wherein the measuring part comprises a fixed gauge and a movable gauge; the fixed ruler is fixedly provided with a convex block, the convex block is rotatably connected with a threaded rod, the movable ruler comprises a first movable ruler and a second movable ruler, the opposite end parts of the first movable ruler and the second movable ruler are fixedly connected with a connecting sheet, the first movable ruler is parallel to the second movable ruler, the second movable ruler is provided with a threaded hole and is in threaded connection with the threaded rod, and the movable ruler is parallel to the fixed ruler; handle portion is hollow structure, measuring part sliding connection is in handle portion, and the side of handle portion is equipped with the scale, measuring part is perpendicular with the side that handle portion was equipped with the scale.

Through adopting above-mentioned technical scheme, rotating the threaded rod, can making the removal chi of threaded connection on the threaded rod move length direction along the threaded rod and remove, make the fixed chi and remove the increase of distance between the chi to can make the fixed chi and remove the chi to the side butt of back at the medial surface in the gap that awaits measuring, the fixed chi with remove the chi butt simultaneously on the scale of handle portion side, can be convenient demonstrate wait to detect the distance between the gap.

The present invention in a preferred example may be further configured to: the side of the fixed ruler is fixedly connected with an auxiliary plate, and the end part of the auxiliary plate, which is far away from the fixed ruler, is rotatably connected with the threaded rod.

Through adopting above-mentioned technical scheme, the accessory plate sets up on the fixed ruler, and the opposite side of accessory plate forms the rigidity to the threaded rod in time, avoids the threaded rod to deviate from the one end of fixed ruler the condition that rocks to appear.

The present invention in a preferred example may be further configured to: two threaded rods are arranged and are parallel to each other; and a driving mechanism for driving the threaded rod to rotate is arranged at the end part of the threaded rod.

Through adopting above-mentioned technical scheme, two threaded rod parallel arrangement can make the removal chi of threaded connection on the threaded rod keep parallel with the fixed ruler, and can prevent to remove the chi and follow the threaded rod rotation, further improve the stability of removing the chi.

The present invention in a preferred example may be further configured to: the driving mechanism comprises a driven gear fixedly connected to the threaded rod and a driving gear rotatably connected to the auxiliary plate, and the driven gear is meshed with the driving gear.

Through adopting above-mentioned technical scheme, rotate the driving gear, can make the driven gear rotation of meshing connection on the driving gear, and two driven gear pivoted directions are the same to can make the removal chi steady movement of threaded connection on two threaded rods simultaneously, actuating mechanism makes threaded rod pivoted operation more convenient.

The present invention in a preferred example may be further configured to: the first movable ruler and the end part of the fixed ruler jointed with the first movable ruler are of a slope structure.

By adopting the technical scheme, after the first movable ruler is attached to the fixed ruler, the slope surfaces of the first movable ruler are connected to form a slope surface, when the width of the gap to be detected is extremely small, the detection part can be pushed out, the slope surface is abutted to the gap, and the width between small gaps can be detected by contrasting scales on the side edge of the handle part.

The present invention in a preferred example may be further configured to: the outer side edge of the convex block is provided with a clamping groove, the side edge of the handle part close to the fixed ruler is provided with a limiting plate, and the limiting plate is abutted in the clamping groove in a sliding manner; the outer side surface of the fixed ruler is flush with the outer side surface of the limiting plate.

By adopting the technical scheme, the limiting plate is in sliding butt joint with the clamping groove, the sliding distance of the measuring part can be limited, and the measuring part can extend out of the handle part to measure after the side edge of the clamping groove is in butt joint with the side edge of the limiting plate; when one side of the gap to be measured is a plane with a large area, the outer side face of the fixed ruler is flush with the outer side face of the limiting plate, so that the outer side face of the fixed ruler can be attached to the plane of the gap to be measured, and measuring errors are reduced.

The present invention in a preferred example may be further configured to: the handle portion is provided with a yielding hole for exposing the driving gear.

Through adopting above-mentioned technical scheme, the driving gear exposes from the hole of stepping down, can make the distance of adjusting between the fixed ruler and removing more convenient.

The present invention in a preferred example may be further configured to: the side rigid coupling of lug has the drive block that is used for removing the measuring part, rectangular hole has been seted up on the curb plate of handle portion, the drive block exposes to the outside of handle portion through rectangular hole.

By adopting the technical scheme, the driving block is pushed, so that the driving block drives the measuring part to be pushed out or pushed into the handle part, and the position of the measuring part in the handle part is convenient to operate.

In summary, the invention includes at least one of the following beneficial technical effects:

1. when the distance between the spheres or the cambered surfaces needs to be detected, the first movable rod and the fixed rod can be stretched into the gap between the spheres, the threaded rod is adjusted to enable the movable rod to be attached to the side edge of the gap to be detected, reading is carried out by comparing scales on the side edge of the handle part, so that the result is detected, when the distance between the gaps is large, the second movable rod and the fixed rod can be stretched into the gaps, the gap width of the large gap can be detected by carrying out the operation, meanwhile, the detection of the conventional gap is not influenced, and the detection precision is high, simple and practical;

2. this device does not have the cursor piece, can form effectual fixed to the position of fixed ruler and removal chi after the numerical value that records the gap, and the measurement personnel can take out at any time and carry out the reading after waiting to detect the gap and adjusting the distance that detects the chi, has avoided the operation of slip vernier, reduces because the displacement of cursor piece and causes the inaccuracy that detects data, improves the precision that detects the gap.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Reference numerals: 1. a measuring section; 11. fixing a ruler; 111. a bump; 112. a threaded rod; 12. moving the ruler; 121. a first movable scale; 122. a second movable scale; 123. a connecting plate; 13. a drive block; 2. a handle portion; 21. calibration; 22. a strip hole; 23. a hole of abdication; 3. an auxiliary plate; 31. bending the plate; 4. a drive mechanism; 41. a driving gear; 42. a driven gear; 5. a card slot; 51. and a limiting plate.

Detailed Description

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

Referring to fig. 1, the clearance gauge disclosed by the invention comprises a measuring part 1 and a handle part 2, wherein the measuring part 1 comprises a fixed gauge 11 and a movable gauge 12, a convex block 111 is fixedly connected to the fixed gauge 11, two parallel threaded rods 112 are rotatably connected to the convex block 111, and the convex block 111 and the fixed gauge 11 are integrally formed and used for preventing the threaded rods 112 from being inclined; the movable ruler 12 comprises a first movable ruler 121 and a second movable ruler 122 parallel to the first movable ruler, wherein the opposite end parts of the first movable ruler 121 and the second movable ruler 122 are vertically and fixedly connected with a connecting plate 123, and the first movable ruler 121, the second movable ruler 122 and the connecting plate 123 are integrally formed; the second movable scale 122 is screwed to the threaded rod 112 and is parallel to the fixed scale 11. Handle portion 2 is hollow structure, and its opening size that is close to second movable ruler 122 tip is greater than its opening size that is close to first movable ruler 121 tip, and measuring part 1 sliding connection all is equipped with scale 21 in handle portion 2, the both sides face of handle portion 2 short side, and measuring part 1 is perpendicular with the short side of handle portion 2.

When the second movable ruler 122 moves to the lower end of the threaded rod 112, the lower side surface of the second movable ruler 122 is attached to the upper side surface of the projection 111, at this time, the first movable ruler 121 is attached to the fixed ruler 11, and the distance between the second movable ruler 122 and the fixed ruler 11 is minimum; when the second movable ruler 122 moves to the upper end of the threaded rod 112, the distance from the second movable ruler 122 to the fixed ruler 11 is the largest, and the distance between the first movable ruler 121 and the fixed ruler 11 is equal to the length of the connecting plate 123, so that the detection width range of the device can be widened.

The end parts of the first movable ruler 121 and the fixed ruler 11 departing from the convex block 111 are both of slope surface structures, the first movable ruler 121 is attached to the fixed ruler 11, and the slope surfaces of the first movable ruler 121 and the fixed ruler 11 are spliced into the same slope surface for detecting small gaps.

The side edge of the convex block 111 is fixedly connected with an auxiliary plate 3, the side edge of the auxiliary plate 3 departing from the fixed ruler 11 is provided with a bending plate 31, the upper side surface of the bending plate 31 is in sliding butt joint with the inner side surface of the upper side edge of the handle part 2, and one end of the threaded rod 112 departing from the fixed ruler 11 is rotatably connected to the bending plate 31 and used for preventing the threaded rod 112 from being inclined; one end of the threaded rod 112 close to the bending plate 31 is provided with a driving mechanism 4 for driving the threaded rod 112 to rotate, the driving mechanism includes two driven gears 42 and a driving gear 41, the two driven gears 42 are respectively and fixedly connected to the two threaded rods 112 near the end of the bending plate 31, and the driving gear 41 is rotatably connected to the bending plate 31 and is engaged with the two driven gears 42.

Referring to fig. 1 and 2, the side edges of the two ends of the handle portion 2 are communicated through holes, the side edge of the handle portion 2 close to the fixed ruler 11 is provided with a limiting plate 51, the side edge of the projection 111 away from the threaded rod 112 is provided with a clamping groove 5, the width of the limiting plate 51 is smaller than that of the clamping groove 5, and the limiting plate is in sliding abutting connection with the clamping groove 5 and used for limiting the sliding distance of the measuring portion 1 in the handle portion 2; the depth of the slot 5 is equal to the thickness of the limit plate 51, i.e., the lower side of the fixed scale 11 is flush with the lower side of the limit plate 51. Two sides of the convex block 111 are fixedly connected with a driving block 13 used for moving the measuring part 1, a long hole 22 is arranged on a side plate of the handle part 2, and the driving block 13 is exposed to the outer side of the handle part 2 through the long hole 22; the side of the handle 2 is also provided with a relief hole 23 for exposing the driving gear 41.

The implementation principle of the embodiment is as follows: examine time measuring, promote to expose the driving block 13 to the handle portion 2 outside, make the tip of measuring part 1 shift out handle portion 2, laminate the downside of fixed ruler 11 to the medial surface that waits to detect the gap, rotate driving gear 41, drive driven gear 42 and two threaded rod 112 synchronous rotations simultaneously, threaded rod 112 drive threaded connection moves to the direction that leaves fixed ruler 11 on it, the upside laminating of moving ruler 12 to the another side in the gap that awaits measuring, look over the position of moving ruler 12 on scale 21 this moment, can reach the width that waits to detect the gap, and is simple and practical, scientific and reasonable.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A feeler gauge comprising a measuring portion (1) and a handle portion (2), characterized in that:

the measuring part (1) comprises a fixed ruler (11) and a movable ruler (12);

a convex block (111) is fixedly arranged on the fixed ruler (11), and a threaded rod (112) is rotatably connected to the convex block (111);

the movable ruler (12) comprises a first movable ruler (121) and a second movable ruler (122), the opposite end parts of the first movable ruler (121) and the second movable ruler (122) are fixedly connected with a connecting piece (123), the first movable ruler (121) is parallel to the second movable ruler (122), the second movable ruler (122) is in threaded connection with the threaded rod (112), and the movable ruler (12) is parallel to the fixed ruler (11);

handle portion (2) are hollow structure, measuring part (1) sliding connection is in handle portion (2), and the short side of handle portion (2) is equipped with scale (21), measuring part (1) is perpendicular with the side that handle portion (2) was equipped with scale (21).

2. A feeler gauge according to claim 1, characterized in that: the side edge of the fixed ruler (11) is fixedly connected with an auxiliary plate (3), and the end part of the auxiliary plate (3) departing from the fixed ruler (11) is rotatably connected with a threaded rod (112).

3. A feeler gauge according to claim 1, characterized in that: two threaded rods (112) are arranged and are parallel to each other; the end part of the threaded rod (112) is provided with a driving mechanism (4) for driving the threaded rod (112) to rotate.

4. A feeler gauge according to claim 3, characterized in that: the driving mechanism (4) comprises a driven gear (42) fixedly connected to the threaded rod (112) and a driving gear (41) rotatably connected to the auxiliary plate (3), and the driven gear (42) is meshed with the driving gear (41).

5. A feeler gauge according to claim 1, characterized in that: the end part of the first movable ruler (121) and the fixed ruler (11) jointed with the first movable ruler is of a slope surface structure.

6. A feeler gauge according to claim 1, characterized in that: a clamping groove (5) is formed in the outer side edge of the convex block (111), a limiting plate (51) is arranged on the side edge, close to the fixed ruler (11), of the handle part (2), and the limiting plate (51) is abutted to the clamping groove (5) in a sliding mode; the outer side surface of the fixed ruler (11) is flush with the outer side surface of the limiting plate (51).

7. A feeler gauge according to claim 1, characterized in that: the handle part (2) is provided with a yielding hole (23) for exposing the driving gear (41).

8. A feeler gauge according to claim 1, characterized in that: the side rigid coupling of lug (111) has drive block (13) that are used for removing measuring portion (1), rectangular hole (22) have been seted up on the curb plate of handle portion (2), drive block (13) expose to the outside of handle portion (2) through rectangular hole.