CN218723748U

CN218723748U - A detect frock for spare part internal diameter

Info

Publication number: CN218723748U
Application number: CN202222025889.1U
Authority: CN
Inventors: 索文韬; 杨文广; 薛彦双; 田思凡; 信涛涛
Original assignee: Xi'an Yinhan Sky Technology Co ltd
Current assignee: Xi'an Yinhan Sky Technology Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-03-24
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a detect frock for spare part internal diameter, comprising a base plate, the equal fixed mounting in both sides at bottom plate top has the telescopic link, the opposite side of two connecting blocks respectively with the both ends fixed connection of measuring tape, the surface slip of measuring tape is connected with the sliding sleeve, the transmission groove has been seted up to the inside of one of them connecting block, the top of transmission groove is rotated and is connected with the bull stick, the first conical gear of bottom fixedly connected with of bull stick, the shifting chute has been seted up to the inside of measuring tape, the inner chamber of shifting chute rotates and is connected with the lead screw, the surface screw thread of lead screw is connected with the sleeve, telescopic top fixedly connected with guide bar, the guide groove has been seted up at the top of measuring tape, the utility model relates to a detect frock for spare part internal diameter for the dead lever is hugged closely with the both sides of spare part respectively with moving pole, prevents that the dead lever is not hard up when moving the pole and measuring, reduces the error when measuring, and the measuring tape passes through the telescopic link level and places, makes the dead lever all the perpendicular to the surface with the spare part, reduces measuring error.

Description

A detect frock for spare part internal diameter

Technical Field

The utility model relates to a detect frock technical field, specifically be a detect frock for spare part internal diameter.

Background

Titanium alloy refers to a variety of alloy metals made from titanium and other metals. Titanium is an important structural metal developed in the 50 s of the 20 th century, and titanium alloy has high strength, good corrosion resistance and high heat resistance. In the 50-60 s of the 20 th century, high-temperature titanium alloys for aircraft engines and structural titanium alloys for machine bodies are mainly developed, and the precision requirement of titanium alloy parts is high, so that the inner diameters of the titanium alloy parts need to be correspondingly detected before delivery, and detection tools are needed.

And current detection frock is measured through handheld mode usually, utilizes the level that handheld mode can't effectively keep the measuring tape for the fixed rod with move the pole and measure the internal diameter of spare part possibly slope occasionally, influence measuring precision, and when the slip through manual drive sliding sleeve, move the pole and can't hug closely with the inner wall of spare part, make the error great during measurement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect frock for spare part internal diameter to current that proposes in solving above-mentioned background measures through handheld mode usually, utilize the level that handheld mode can't effectively keep the measuring tape, make the fixed pole with move the pole and measure the internal diameter of spare part and possibly incline occasionally, influence measuring precision, and when the slip through manual drive sliding sleeve, move the pole and can't hug closely with the inner wall of spare part, make the great problem of error during the measurement.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a detect frock for spare part internal diameter, includes the bottom plate, the equal fixed mounting in both sides at bottom plate top has the telescopic link, the expansion end fixedly connected with connecting block of telescopic link, two the opposite side of connecting block respectively with the both ends fixed connection of measuring tape, the sliding surface of measuring tape is connected with the sliding sleeve, one of them the transmission groove has been seted up to the inside of connecting block, the top in transmission groove is rotated and is connected with the bull stick, the first conical gear of bottom fixedly connected with of bull stick, the shifting chute has been seted up to the inside of measuring tape, the inner chamber of shifting chute rotates and is connected with the lead screw, the surperficial threaded connection of lead screw has the sleeve, telescopic top fixedly connected with guide bar, the guide way has been seted up at the top of measuring tape, just the top fixed connection of guide bar top guide way and sliding sleeve inner wall is passed.

Preferably, the bottom of the sliding sleeve is fixedly connected with a moving rod, one end of the bottom of the measuring tape is fixedly connected with a fixed rod, the fixed rod is tightly attached to one side of the inner wall of the part, the moving rod is moved to the other side of the inner wall of the part and tightly attached to the other side of the inner wall of the part, and the distance between the fixed rod and the moving rod is the inner diameter of the part.

Preferably, one end of the moving groove, which is close to the rotating rod, is sleeved with a second bevel gear, the second bevel gear is in meshed connection with the surface of the first bevel gear, and the second bevel gear is driven to rotate through the rotation of the first bevel gear.

Preferably, the sliding sleeve includes U-shaped frame, transparent plate, convex lens and supplementary reading line, the positive joint of U-shaped frame has the transparent plate, the bottom of transparent plate is provided with convex lens, convex lens's middle part is provided with supplementary reading line, supplementary reading for the reading is more accurate.

Preferably, the width of guide bar is the same with the width of guide way, the top of bull stick extends to the outside, just the bearing has been cup jointed to the junction of bull stick and transmission groove for more stable when the guide bar slides.

Preferably, the bottom of the front surface of the measuring scale is provided with scale marks.

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

through putting into the top of bottom plate with the spare part, and will decide the pole and move the pole and go deep into the inner chamber of spare part, rotation through the bull stick drives the rotation of first conical gear, the rotation of first conical gear drives the rotation of second conical gear and lead screw, the rotation of lead screw drives the sleeve and moves to the direction of keeping away from the pole, telescopic removal drives the removal of sliding sleeve and moving pole, make and move the pole and keep away from the pole gradually, when the distance between pole and the pole of moving equals the internal diameter of spare part, it hugs closely with the both sides of spare part respectively to decide the pole and move the pole, it is not hard up when preventing to decide the pole and move the pole measurement, reduce the error when measuring, and the measuring tape passes through the telescopic link level and places, make and decide the pole all the time with the surface vertical of spare part, it leads to the measuring error great to prevent to decide pole and move the pole slope.

Drawings

Fig. 1 is a schematic plan view of the present invention;

FIG. 2 is a schematic structural view of the sliding sleeve of the present invention;

fig. 3 is a sectional view of the connecting block of the present invention;

fig. 4 is a cross-sectional view of the measuring tape of the present invention.

In the figure: 1. a base plate; 2. a telescopic rod; 3. connecting blocks; 4. measuring a ruler; 5. scale lines; 6. a sliding sleeve; 7. fixing a rod; 8. a moving bar; 9. a transmission groove; 10. a rotating rod; 11. a first bevel gear; 12. a moving groove; 13. a screw rod; 14. a second bevel gear; 15. a guide groove; 16. a sleeve; 17. a guide bar; 18. A U-shaped frame; 19. a transparent plate; 20. a convex lens; 21. an auxiliary reading line.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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 work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides a detect frock for spare part internal diameter, comprising a base plate 1, the equal fixed mounting in both sides at bottom plate 1 top has telescopic link 2, the expansion end fixedly connected with connecting block 3 of telescopic link 2, the opposite side of two connecting blocks 3 respectively with the both ends fixed connection of measuring tape 4, the sliding surface of measuring tape 4 is connected with sliding sleeve 6, driving groove 9 has been seted up to the inside of one of them connecting block 3, the top of driving groove 9 is rotated and is connected with bull stick 10, the first conical gear 11 of bottom fixedly connected with of bull stick 10, shifting chute 12 has been seted up to the inside of measuring tape 4, the inner chamber of shifting chute 12 rotates and is connected with lead screw 13, the surperficial threaded connection of lead screw 13 has sleeve 16, the top fixedly connected with guide bar 17 of sleeve 16, guide chute 15 has been seted up at the top of measuring tape 4, and the top fixed connection of guide bar 17 through guide chute 15 and sliding sleeve 6 inner wall.

When the measuring tool is used, parts are placed on the top of the bottom plate 1, the fixed rod 7 and the moving rod 8 are inserted into the inner cavity of the parts, the rotating rod 10 rotates to drive the first bevel gear 11 to rotate, the first bevel gear 11 rotates to drive the second bevel gear 14 and the lead screw 13 to rotate, the lead screw 13 rotates to drive the sleeve 16 to move in the direction away from the fixed rod 7, the sleeve 16 moves to drive the sliding sleeve 6 and the moving rod 8 to move, the moving rod 8 is gradually away from the fixed rod 7, when the distance between the fixed rod 7 and the moving rod 8 is equal to the inner diameter of the parts, the fixed rod 7 and the moving rod 8 are respectively attached to two sides of the parts, the fixed rod 7 and the moving rod 8 are prevented from loosening during measurement, errors during measurement are reduced, and the measuring scale 4 is horizontally placed through the telescopic rod 2, the fixed rod 7 is always perpendicular to the surface of the parts, and the fixed rod 7 and the moving rod 8 are prevented from inclining to cause large measurement errors.

The bottom of the sliding sleeve 6 is fixedly connected with a moving rod 8, and one end of the bottom of the measuring scale 4 is fixedly connected with a fixed rod 7.

When the device is used, the fixed rod 7 is clung to one side of the inner wall of a part, the moving rod 8 moves to the other side of the inner wall of the part under the movement of the sliding sleeve 6 and is clung to the inner wall, and the distance between the moving rod 8 and the fixed rod 7 is the inner diameter of the part

One end of the moving groove 12 close to the rotating rod 10 is sleeved with a second bevel gear 14, and the second bevel gear 14 is in meshed connection with the surface of the first bevel gear 11.

When the screw is used, the rotation of the rotating rod 10 drives the first bevel gear 11 to rotate, and the first bevel gear 11 is meshed with the second bevel gear 14, so that the second bevel gear 14 and the screw rod 13 are driven to rotate.

The sliding sleeve 6 comprises a U-shaped frame 18, a transparent plate 19, convex lenses 20 and auxiliary reading lines 21, the transparent plate 19 is clamped on the front face of the U-shaped frame 18, the convex lenses 20 are arranged at the bottom of the transparent plate 19, the auxiliary reading lines 21 are arranged in the middle of the convex lenses 20, and the scale marks 5 are arranged at the front bottom of the measuring scale 4.

In use, the transparent plate 19 facilitates viewing of data on the scale marks 5, while the convex lens 20 has a magnifying function to facilitate reading of data, and the auxiliary reading line 21 is used to accurately identify the position of reading.

The width of the guide rod 17 is the same as that of the guide groove 15, the top of the rotating rod 10 extends to the outside, and a bearing is sleeved at the joint of the rotating rod 10 and the transmission groove 9.

When the lead screw 7 is used, the guide rod 17 is more stable when moving, the rotation of the rotating rod 10 drives the first bevel gear 11 to rotate, and the friction of the lead screw 7 when rotating is reduced by the bearing.

When the measuring device is used specifically, firstly, the part is placed on the top of the bottom plate 1, then the telescopic rod 2 is contracted, so that the fixed rod 7 and the moving rod 8 are both positioned in an inner cavity of the part, at the moment, the rotating rod 10 is rotated, the rotation of the rotating rod 10 drives the first bevel gear 11 to rotate, the first bevel gear 11 is meshed with the second bevel gear 14, so that the second bevel gear 14 and the screw rod 13 are driven to rotate, the screw rod 13 is rotated to drive the sleeve 16 to move in the direction away from the fixed rod 7 under the guidance of the guide rod 17, the sleeve 16 is moved to drive the sliding sleeve 6 and the moving rod 8 to move, so that the moving rod 8 is gradually away from the fixed rod 7, when the distance between the fixed rod 7 and the moving rod 8 is equal to the inner diameter of the part, the fixed rod 7 and the moving rod 8 are respectively clung to two sides of the part, the fixed rod 7 and the moving rod 8 are prevented from loosening during measurement, errors during measurement are reduced, and the measuring scale 4 is horizontally placed through the telescopic rod 2, so that the fixed rod 7 is always perpendicular to the surface of the part, and the fixed rod 7 and the moving rod 8 are prevented from inclining to cause large measurement errors.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a detect frock for spare part internal diameter, includes bottom plate (1), its characterized in that: the equal fixed mounting in both sides at bottom plate (1) top has telescopic link (2), the expansion end fixedly connected with connecting block (3) of telescopic link (2), two the opposite side of connecting block (3) respectively with the both ends fixed connection of measuring tape (4), the sliding surface of measuring tape (4) is connected with sliding sleeve (6), one of them transmission groove (9) have been seted up to the inside of connecting block (3), the top of transmission groove (9) is rotated and is connected with bull stick (10), the first conical gear of bottom fixedly connected with (11) of bull stick (10), shifting chute (12) have been seted up to the inside of measuring tape (4), the inner chamber of shifting chute (12) rotates and is connected with lead screw (13), the surface threaded connection of lead screw (13) has sleeve (16), the top fixedly connected with guide bar (17) of sleeve (16), guide way (15) have been seted up at the top of measuring tape (4), just the top of guide bar (17) passes the top fixed connection of guide way (15) and sliding sleeve (6) inner wall.

2. The detection tool for the inner diameter of the part according to claim 1, wherein the detection tool comprises: the bottom fixedly connected with of sliding sleeve (6) moves pole (8), the one end fixedly connected with decide pole (7) of measuring tape (4) bottom.

3. The detection tool for the inner diameter of the part according to claim 1, wherein the detection tool comprises: one end of the moving groove (12) close to the rotating rod (10) is sleeved with a second bevel gear (14), and the second bevel gear (14) is in meshed connection with the surface of the first bevel gear (11).

4. The detection tool for the inner diameter of the part according to claim 1, wherein the detection tool comprises: sliding sleeve (6) are including U-shaped frame (18), transparent plate (19), convex lens (20) and supplementary reading line (21), the front joint of U-shaped frame (18) has transparent plate (19), the bottom of transparent plate (19) is provided with convex lens (20), the middle part of convex lens (20) is provided with supplementary reading line (21).

5. The detection tool for the inner diameter of the part according to claim 1, wherein the detection tool comprises: the width of guide bar (17) is the same with the width of guide way (15), the top of bull stick (10) extends to the outside, just the bearing has been cup jointed to the junction of bull stick (10) and transmission groove (9).

6. The detection tool for the inner diameter of the part according to claim 1, characterized in that: and scale marks (5) are arranged at the bottom of the front surface of the measuring scale (4).