CN210089589U

CN210089589U - Chamfering caliper

Info

Publication number: CN210089589U
Application number: CN201920365976.7U
Authority: CN
Inventors: 王熔
Original assignee: AVIC POWER ZHUZHOU AVIATION PARTS MANUFACTURING Co Ltd
Current assignee: Hunan Xingtu Aerospace And Spacecraft Manufacturing Co ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-02-18
Anticipated expiration: 2029-03-21

Abstract

The utility model discloses a chamfer caliper for measuring the length of a first right-angle edge corresponding to a first vertical surface on a chamfer and a part, which comprises an angle plate used for being propped against a second vertical surface on the part corresponding to a second right-angle edge of the chamfer, a vernier arranged on the angle plate and used for being propped against a first vertical surface on the part corresponding to the first right-angle edge of the chamfer, and a ruler which is connected with the vernier in a sliding way along the axial direction of the vernier and used for being propped against an inclined plane of the chamfer; the vernier scale and the ruler are marked with scales and used for measuring the distance between the vernier scale and the ruler in relative sliding, namely the length of the first right-angle edge, the vernier scale is provided with a sliding groove for penetrating the ruler, the width of the first end of the ruler is larger than the groove width of the sliding groove, and the second end of the ruler is provided with a baffle for preventing the ruler from sliding out of the sliding groove.

Description

Chamfering caliper

Technical Field

The utility model relates to a measuring tool field is measured to the chamfer, especially, relates to a chamfer slide caliper rule.

Background

The junction of two perpendicular faces of a part is often required to be machined with a chamfer, in order to remove burrs generated by machining on the part, facilitate part assembly and/or avoid over concentration of stress at the junction of the two perpendicular faces, if the junction of a fastening face and a side wall face for fastening the part on a nut is machined with a chamfer, under the condition that the angle of the chamfer is determined, the greater the length of the right-angle edge of the chamfer is, the more the fastening face and the side wall face are cut off, and the smaller the area of the fastening face is. If the area of the fastening surface is too small, the contact area between the nut and the component is small, and the nut and the component are not sufficiently fastened. At present, no measuring tool specially used for measuring the right-angle edge of the chamfer exists.

SUMMERY OF THE UTILITY MODEL

The utility model provides a chamfer slide caliper rule to the length of the right-angle side of solving current chamfer is difficult to measuring technical problem.

The utility model provides a chamfer caliper for measuring the length of a first right-angle edge corresponding to a first vertical surface on a chamfer and a part, which comprises an angle plate used for being propped against a second vertical surface on the part corresponding to a second right-angle edge of the chamfer, a vernier arranged on the angle plate and used for being propped against a first vertical surface on the part corresponding to the first right-angle edge of the chamfer, and a ruler which is connected with the vernier in a sliding way along the axial direction of the vernier and used for being propped against an inclined plane of the chamfer; the vernier scale and the ruler are marked with scales and used for measuring the distance between the vernier scale and the ruler in relative sliding, namely the length of the first right-angle edge, the vernier scale is provided with a sliding groove for penetrating the ruler, the width of the first end of the ruler is larger than the groove width of the sliding groove, and the second end of the ruler is provided with a baffle for preventing the ruler from sliding out of the sliding groove.

Further, the line of intersection of the abutting surface of the angle plate and the abutting surface of the vernier is located in the plane where the abutting surface of the ruler is located, so that the zero scale of the ruler is aligned with the zero scale of the vernier.

Furthermore, the vernier is provided with a fastening screw which is used for abutting against the ruler during reading so as to fix the ruler.

Further, the second vertical surface of the part is an outer circular surface, and the abutting surface of the vernier is an inner circular surface matched with the outer circular surface.

Further, the vernier scale is mounted on the angle plate by a plurality of bolts arranged in the axial direction of the slide groove.

Furthermore, a fixing structure for fixing parts is arranged on the vernier and/or the angle plate.

Further, still including locating the L type cardboard on the angle board, the inboard perpendicular wall of L type cardboard is relative with the face of leaning on of angle board, and the L type cardboard removes along the extending direction on first right-angle side and adjusts in order to be fixed in the part between the face of leaning on of the inboard perpendicular wall of L type cardboard and angle board.

Furthermore, the L-shaped clamping plate is connected with the angle plate in a sliding mode along the extending direction of the first right-angle edge; or the L-shaped clamping plate is connected with the angle plate through the extension springs arranged along the extension direction of the first right-angle edge.

Further, the device also comprises a bottom bracket used for supporting the part, the vernier and the angle plate during measurement.

Further, still including setting firmly the vice vernier that is used for leaning on the part and the first perpendicular that the first right angle limit of chamfer corresponds on the angle board and along the axial of vice vernier and vice vernier sliding connection be used for leaning on the vice ruler on the chamfer inclined plane.

The utility model discloses following beneficial effect has:

the utility model discloses a chamfer slide caliper rule makes the terminal surface of angle board and the medial surface mutually perpendicular of vernier and is used for respectively leaning on the second perpendicular and the first perpendicular in the part before the measurement to with vernier and/or ruler along the axial slip of vernier support to the crossing line that leans on the face and vernier support to the face of angle board lie in the plane that supports and support and lean on the face place of ruler, support to lean on the chamfer inclined plane through the face of leaning on until the ruler of the axial slip of vernier and/or ruler along the vernier during the measurement, through the scale on vernier and the ruler, record the length on vernier and ruler relative gliding distance be first right angle limit. The width of the first end of the straight ruler is larger than the groove width of the sliding groove, the second end of the straight ruler is provided with a baffle plate used for preventing the straight ruler from sliding out of the sliding groove, and therefore the square cannot slide out of the sliding groove during measurement. When the angles of the chamfers required to be measured are different, the baffle is detached at first, the ruler is taken out of the chute, the ruler matched with the chamfers required to be measured is installed in the chute, and the baffle is installed at the second end of the ruler.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 2 is a schematic structural diagram of the preferred embodiment of the present invention.

Illustration of the drawings:

1. an angle plate; 2. a vernier scale; 3. a straightedge; 4. fastening screws; 5. a baffle plate; 100. and (4) parts.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention; fig. 2 is a schematic structural diagram of the preferred embodiment of the present invention.

As shown in fig. 1 and 2, the chamfering caliper of the present embodiment is used for measuring the length of a first right-angle edge of a chamfer corresponding to a first vertical surface on a part 100, and includes an angle plate 1 for abutting against a second vertical surface on the part 100 corresponding to a second right-angle edge of the chamfer, a vernier 2 fixedly arranged on the angle plate 1 for abutting against the first vertical surface on the part 100 corresponding to the first right-angle edge of the chamfer, and a straight ruler 3 slidably connected with the vernier 2 along the axial direction of the vernier 2 for abutting against an inclined surface of the chamfer; scale marks are arranged on the vernier 2 and the ruler 3 for measuring the distance between the vernier 2 and the ruler 3 in relative sliding, namely the length of the first right-angle edge, the vernier 2 is provided with a sliding groove for penetrating the ruler 3, the width of the first end of the ruler 3 is larger than the groove width of the sliding groove, and the second end of the ruler 3 is provided with a baffle 5 for preventing the ruler 3 from sliding out of the sliding groove. The utility model discloses a chamfer slide caliper rule makes the terminal surface of angle board 1 mutually perpendicular and the medial surface of vernier 2 be used for respectively leaning on the second perpendicular and the first perpendicular in part 100 before the measurement, and with vernier 2 and/or 3 along vernier 2 axial slip until the butt of angle board 1 lean on face and vernier 2 support the intersection line that leans on the face lie in ruler 3 support the plane at face place, support on the chamfer inclined plane through leaning on the face along vernier 2 and/or 3 axial slip of vernier 2 until ruler 3 during the measurement, through the scale on vernier 2 and ruler 3, record vernier 2 and 3 relative gliding distance of ruler be the length on first right angle limit. The width of the first end of the straight ruler 3 is larger than the groove width of the sliding groove, the second end of the straight ruler 3 is provided with a baffle 5 used for preventing the straight ruler 3 from sliding out of the sliding groove, and therefore the square cannot slide out of the sliding groove during measurement. When the angles of the chamfers required to be measured are different, the baffle 5 is firstly detached, the ruler 3 is taken out of the chute, the ruler 3 matched with the chamfers required to be measured is installed in the chute, and the baffle 5 is installed at the second end of the ruler 3. In this embodiment the baffle 5 is mounted on the second end of the straightedge 3 by means of a bolt. Optionally, a buckle for mounting the baffle 5 is arranged at the second end of the straightedge 3. When the angles of the chamfers required to be measured are different, the baffle 5 is firstly detached, the ruler 3 is taken out of the chute, the ruler 3 matched with the chamfers required to be measured is installed in the chute, and the baffle 5 is installed at the second end of the ruler 3. In this embodiment, the angle plate 1 is pushed in the axial direction of the vernier 2 until the abutting surface of the straight edge 3 abuts on the chamfer slope at the time of measurement. Alternatively, the straightedge 3 is pushed towards the chamfer until the abutment surface abuts against the chamfer surface during measurement.

As shown in fig. 1 and 2, the intersection line of the abutting surface of the angle plate 1 and the abutting surface of the vernier 2 is located in the plane of the abutting surface of the straight scale 3, so that the zero scale of the straight scale 3 is aligned with the zero scale of the vernier 2. During measurement, the vernier scale 2 and/or the straight scale 3 slide along the axial direction of the vernier scale 2 until the abutting surface of the straight scale 3 abuts against the chamfer surface, and the reading on the straight scale 3 is read according to the reading rule of the existing vernier caliper, namely the length of the first right-angle edge.

As shown in fig. 1 and 2, the vernier 2 is provided with a fastening screw 4 which abuts against the straight scale 3 to fix the straight scale 3 when reading. The surface of the head of the fastening screw 4 is provided with an anti-slip layer. During the measurement, through sliding vernier 2 and/or ruler 3 until first inclined plane supports and leans on the chamfer face along the extending direction on first right angle limit, then rotatory fastening screw 4 makes fastening screw 4's screw support and leans on in order to fix the relative position of vernier 2 and ruler 3 on ruler 3, and vernier 2 takes place relative slip and lead to the reading inaccurate with ruler 3 during the avoiding reading.

Alternatively, the second vertical surface of the part 100 is an external circular surface and the abutting surface of the vernier 2 is an internal circular surface which is matched with the external circular surface. During measurement, the abutting surface of the vernier 2 abuts against the outer circular surface of the part 100 and is not easy to slide. Optionally, the abutting face of the vernier 2 cooperates with the second vertical face of the part 100 so that the abutting face of the vernier 2 fits snugly against the second vertical face of the part 100. In the present embodiment, the vernier 2 is mounted on the angle plate 1 by a plurality of bolts arranged in the axial direction of the chute. It is convenient to install the vernier 2 with different scales or different abutting surfaces on the angle plate 1.

Optionally, the vernier 2 and/or the angle plate 1 are provided with fixing structures for fixing the part 100. Optionally, the securing structure is a jaw for gripping the stationary part 100. Optionally, the securing structure is a clamp for tightening the part 100. Before measurement, the end face of the angle plate 1 abuts against a first vertical face of the part 100, the inner side face of the vernier 2 abuts against a second vertical face of the part 100, and the part 100 is fixed through a fixing structure so as to prevent the part 100 from moving in the measurement process.

Optionally, the chamfer slide caliper further comprises an L-shaped clamping plate arranged on the angle plate 1, wherein the inner vertical wall surface of the L-shaped clamping plate is opposite to the abutting surface of the angle plate 1, and the L-shaped clamping plate is moved and adjusted along the extending direction of the first right-angle edge so as to fix the part 100 between the inner vertical wall surface of the L-shaped clamping plate and the abutting surface of the angle plate 1. The L-shaped clamping plate is connected with the angle plate 1 in a sliding mode along the axial direction of the vernier 2. Before the measurement, adjust through the axial sliding with L type cardboard along vernier 2, be fixed in between the perpendicular wall of L type cardboard inboard and the face of supporting of angle board 1 with part 100, make the second perpendicular of part 100 support and lean on the face in angle board 1, and be fixed in on angle board 1 with L type cardboard through the fastener, thereby ensure that the second perpendicular homoenergetic of part 100 supports and leans on in the face of supporting of angle board 1 in the measurement process of 2 axial promotion angle boards or ruler 3 along vernier, the accuracy of measuring result has been improved. Alternatively, the L-shaped catch plate is connected to the angle plate 1 by means of a telescopic spring arranged in the axial direction of the vernier 2. Along vernier 2's axial pulling L type cardboard with adjust L type cardboard inboard perpendicular wall and angle board 1 support to the distance between the face and the axial dimensions phase-match of part 100, expanding spring is in tensile state simultaneously, through expanding spring towards angle board 1 support to support the elastic restoring force of the face with part 100 centre gripping be fixed in between L type cardboard inboard perpendicular wall and angle board 1 support to the face.

Optionally, the chamfer caliper further comprises a bottom bracket for holding the part 100, the vernier 2 and the angle plate 1 during measurement. During the measurement, arrange the bottom bracket in on the horizontal table face, arrange chamfer slide caliper in on the bottom bracket, arrange the one end of part 100 in on the bottom bracket again and be equipped with the one end of chamfer in vernier 2, and make the first perpendicular of part 100 support and lean on in the face of supporting of angle board 1, the second perpendicular of part 100 supports and leans on in the face of supporting of vernier 2, remove 3 supports to support of ruler 3 and lean on the face to support on the chamfer inclined plane until what straightedge 3, whole measurement process, part 100 all keeps the level with chamfer slide caliper, improve measuring result's accuracy.

Optionally, the chamfering caliper further includes an auxiliary vernier fixedly disposed on the angle plate 1 for abutting against a first vertical surface corresponding to the first chamfered edge of the chamfer on the part 100, and an auxiliary ruler slidably connected to the auxiliary vernier in the axial direction of the auxiliary vernier for abutting against the chamfer inclined surface. Optionally, the secondary vernier is the same as the vernier 2 and the secondary straightedge is the same as the straightedge 3, and the length of the first right-angle edge at the other position of the chamfer of the part 100 is measured simultaneously by the secondary vernier and the secondary straightedge. Optionally, the secondary ruler and the straightedge 3 are used to match chamfers of different angles, respectively, and the length of the first straight edge of the chamfer of another angle is measured by the secondary vernier and the secondary ruler.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A chamfer caliper for measuring the length of a first chamfer edge of a chamfer corresponding to a first vertical surface on a part (100),

the device comprises an angle plate (1) used for abutting against a second vertical surface corresponding to a second right-angle edge of a chamfer on a part (100), a vernier (2) fixedly arranged on the angle plate (1) and used for abutting against a first vertical surface corresponding to a first right-angle edge of the chamfer on the part (100), and a ruler (3) which is connected with the vernier (2) in a sliding manner along the axial direction of the vernier (2) and used for abutting against a chamfer inclined surface;

scales are marked on the vernier (2) and the ruler (3) and used for measuring the relative sliding distance between the vernier (2) and the ruler (3), namely the length of the first right-angle edge,

it is characterized in that the preparation method is characterized in that,

the vernier (2) is provided with a chute for the ruler (3) to penetrate,

the width of the first end of the ruler (3) is larger than the groove width of the sliding groove, and the second end of the ruler (3) is provided with a baffle (5) for preventing the ruler (3) from sliding out of the sliding groove;

the chamfering caliper further comprises an L-shaped clamping plate arranged on the angle plate (1), wherein the vertical wall surface of the inner side of the L-shaped clamping plate is opposite to the abutting surface of the angle plate (1), and the L-shaped clamping plate moves and is adjusted along the extending direction of the first right-angle edge so as to fix a part (100) between the vertical wall surface of the inner side of the L-shaped clamping plate and the abutting surface of the angle plate (1);

the L-shaped clamping plate is connected with the angle plate (1) in a sliding manner along the axial direction of the vernier (2); or the L-shaped clamping plate is connected with the angle plate (1) through a telescopic spring distributed along the axial direction of the vernier (2);

the chamfering caliper further comprises a bottom bracket used for supporting the part (100), the vernier (2) and the angle plate (1) during measurement.

2. The chamfering caliper of claim 1,

the butt joint face of angle board (1) with the cross line that leans on the face of vernier (2) is located the plane at ruler (3) the face place that leans on, so that the zero scale of ruler (3) with the zero scale of vernier (2) aligns.

3. The chamfering caliper of claim 1,

be equipped with on vernier (2) and lean on when being used for the reading in on ruler (3) with fastening screw (4) that ruler (3) are fixed.

4. The chamfering caliper of claim 1,

the second vertical surface of the part (100) is an outer circular surface, and the abutting surface of the vernier (2) is an inner circular surface matched with the outer circular surface.

5. The chamfering caliper of claim 1,

the vernier (2) is arranged on the angle plate (1) through a plurality of bolts distributed along the axial direction of the sliding groove.

6. The chamfering caliper of claim 1,

the vernier scale (2) and/or the angle plate (1) are/is provided with a fixing structure for fixing a part (100).

7. The chamfering caliper of claim 1,

still including set firmly in be used for leaning on the vice vernier that is used for on part (100) and the first perpendicular that corresponds with the first right angle limit of chamfer and follow on angle board (1) the axial of vice vernier with vice vernier sliding connection be used for leaning on the vice ruler on the chamfer inclined plane.