CN216081213U - Device for positioning circle center of round block - Google Patents

Abstract

The utility model provides a device for positioning the circle center of a round block, which comprises: the utility model discloses a positioning ruler, V-arrangement locating lever and sliding sleeve, coaxial first spout that is provided with on the positioning ruler, the positive central point of positioning ruler puts and is provided with the locating hole, be provided with the center that uses the locating hole on the lateral wall of positioning ruler as the scale of zero and to the both ends scale extension, the V-arrangement locating lever is two, the contained angle of V-arrangement locating lever is the right angle, the top of V-arrangement locating lever is the installation department, two V-arrangement locating levers all set up the top at first spout through setting up the guide assembly on the installation department with sliding, the both ends of two V-arrangement locating levers are equal with the contained angle of first spout, two V-arrangement locating levers set up in opposite directions, two V-arrangement locating levers are not on the coplanar, two V-arrangement locating levers constitute a centre gripping groove that is used for centre gripping circle piece, the both ends of two V-arrangement locating levers all are through sliding sleeve sliding connection, the problem that current location centre of a circle instrument is not convenient for pinpointing the centre of a circle piece is solved.

Description

Device for positioning circle center of round block

Technical Field

The utility model relates to the technical field of circle center centering tools, in particular to a device for positioning a circle center of a round block.

Background

The circle center is determined by a circular round block by a common method such as a scribing method, a center frame, a center finding gauge and the like, the methods are inconvenient to use, a plurality of tools are matched for use or measurement for a plurality of times to determine the circle center, the time required for determining the circle center is long, and errors are easy to occur.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a device for positioning the circle center of a round block, which solves the problem that the circle center of the round block is inconvenient to find by the existing circle center positioning tool in the prior art.

According to an embodiment of the utility model, a device for locating the center of a circle by a round block comprises: the location chi, V-arrangement locating lever and sliding sleeve, coaxial first spout that is provided with on the location chi, the positive central point of location chi puts and is provided with the locating hole, be provided with the scale that uses the center of locating hole to be zero scale and extend to both ends on the lateral wall of location chi, the V-arrangement locating lever is two, the contained angle of V-arrangement locating lever is the right angle, the top of V-arrangement locating lever is the installation department, two V-arrangement locating levers all set up the top at first spout through setting up the guide assembly on the installation department with sliding, the both ends of two V-arrangement locating levers are all for equal with the contained angle of first spout, two V-arrangement locating levers set up in opposite directions, two V-arrangement locating levers are not on the coplanar, two V-arrangement locating levers constitute a centre gripping groove that is used for centre gripping circle piece, the both ends of two V-arrangement locating levers all are through sliding sleeve sliding connection.

Compared with the prior art, the utility model has the following beneficial effects: two right-angled V-shaped positioning rods are arranged above the first sliding groove and are mutually crossed and overlapped to form a square clamping groove, the two crossed ends of the two V-shaped positioning rods are connected in a sliding manner through a sliding sleeve, so that the size of the clamping groove can be reasonably preset according to the size of a round block to be centered, the round block is placed into the clamping groove, the clamping groove is adjusted to be contracted, the round block is tangent to the side line of the clamping groove, then the two V-shaped positioning rods are kept relatively static, the two V-shaped positioning rods are pushed to move relative to the first sliding groove, when the round block is superposed with the positioning holes, the scales on the side wall of the positioning ruler are read by taking the top and the bottom of the round block as reference points, when the two read scales are the same, the V-shaped positioning rods are stopped to move, a marking pen with the size the same as that of the positioning holes is used for marking a point on the round block through the positioning holes, the point of this mark is the centre of a circle of circle promptly, can be quick find out the center of circle through this device, has improved work efficiency, has also reduced the error when looking for the centre of a circle, and this device is small and exquisite portable simultaneously, and manufacturing cost is also low.

Further, each of the guide assemblies includes: the utility model provides a location chi, including guide bar and installation pole, the one end of guide bar sets up the lateral wall that is close to the location chi at the installation department fixedly, the other end of guide bar passes first spout, guide bar and first spout sliding connection, the installation pole is two, two installation poles set up respectively through bolt detachably on the both sides wall that first spout one end was worn out to the guide bar, the lateral wall that each installation pole is close to the location chi all is provided with the leading wheel through the mounting bracket rotation ground, each leading wheel all with the lateral wall roll connection of location chi.

Further, still include spacing subassembly, spacing subassembly is two, and two spacing subassemblies set up respectively at the both ends of locating ruler, and two spacing subassemblies are used for preventing guide bar and first spout to break away from.

Further, each limit component comprises: the mounting plate is fixed at the end of the positioning ruler through bolts, the limiting block is fixed on the side wall, close to the first sliding groove, of the mounting plate, and the limiting block is inserted into the first sliding groove.

Preferably, the one end that each stopper deviates from the mounting panel all is provided with the blotter.

Further, both of the sliding sleeves include: the installation piece, press from both sides tight piece and screw rod, two installation pieces set up on the both ends of same V-arrangement locating lever with sliding, all be provided with the second spout on the both ends of each V-arrangement locating lever, all be provided with on each installation piece be used for with the crossing locking mechanism of the both ends locking of two V-arrangement locating levers of second spout cooperation on the both ends of two V-arrangement locating levers, all be provided with the tight piece of clamp of hugging closely with the lateral wall of V-arrangement locating lever on the lateral wall of each installation piece, the screw rod horizontally passes and presss from both sides tight piece and supports tightly with the lateral wall of V-arrangement locating lever, screw rod and clamp piece threaded connection.

Further, each of the locking mechanisms includes: the connecting rod vertically penetrates through the mounting block and is inserted into the second sliding groove, a pull handle is fixedly arranged at the top of the connecting rod, the spring is arranged between the pull handle and the mounting block, and the connecting rod is inserted into the second sliding groove of the other V-shaped positioning rod adjacent to the spring under the elastic force of the spring.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the guide assembly.

Fig. 3 is a schematic structural view of the limiting assembly.

Fig. 4 is a schematic view of the mounting structure of the V-shaped positioning rod.

Fig. 5 is a schematic structural view of the sliding sleeve.

FIG. 6 is a schematic view of the structure after the round block is placed in the clamping groove.

In the above drawings: 1. positioning a ruler; 2. a first chute; 3. positioning holes; 4. a V-shaped positioning rod; 5. a sliding sleeve; 6. a guide bar; 7. mounting a rod; 8. a mounting frame; 9. a guide wheel; 10. mounting a plate; 11. a limiting block; 12. a cushion pad; 13. a second chute; 401. an installation part; 501. mounting blocks; 502. a clamping piece; 503. a screw; 504. pulling a handle; 505. a spring; 506. a connecting rod.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1, an embodiment of the present invention provides an apparatus for locating a circle center of a round block, including: the utility model discloses a positioning ruler, including location chi 1, V-arrangement locating lever 4 and sliding sleeve 5, coaxial first spout 2 that is provided with on the location chi 1, the positive central point of location chi 1 puts and is provided with locating hole 3, be provided with the scale that uses the center of locating hole 3 to be zero scale and extend to both ends on the lateral wall of location chi 1, V-arrangement locating lever 4 is two, the contained angle of V-arrangement locating lever 4 is the right angle, the top of V-arrangement locating lever 4 is installation department 401, two V-arrangement locating levers 4 all set up in the top of first spout 2 through setting up the direction subassembly on installation department 401 with sliding, the both ends of two V-arrangement locating levers 4 are all with the contained angle of first spout 2, two V-arrangement locating levers 4 set up in opposite directions, two V-arrangement locating levers 4 are not on the coplanar, two V-arrangement locating levers 4 constitute a centre gripping groove that is used for centre gripping circle piece, the both ends of two V-arrangement locating levers 4 all are through sliding sleeve 5 sliding connection.

Two right-angled V-shaped positioning rods 4 are arranged above the first sliding chute 2, the two V-shaped positioning rods 4 are mutually crossed and overlapped to form a square clamping groove, meanwhile, the two crossed ends of the two V-shaped positioning rods 4 are connected in a sliding way through a sliding sleeve 5, so that the size of the clamping groove can be reasonably pre-adjusted according to the size of a round block to be centered, as shown in figure 6, the round block is placed in the clamping groove, the clamping groove is adjusted to be contracted, so that the round block is tangent to the side line of the clamping groove, then the two V-shaped positioning rods 4 are kept relatively static, the two V-shaped positioning rods 4 are pushed to move relative to the first sliding chute 2, after the round block is superposed with the positioning holes 3, the scales on the side wall of the positioning ruler 1 are read by taking the top and the bottom of the round block as reference points, when the two read scales are the same, the V-shaped positioning rods 4 are stopped to move, a marking pen with the same size as the positioning holes 3 is used to pass through the positioning holes 3 to mark a point on the round block, the point of this mark is the centre of a circle of circle promptly, can be quick find out the center of circle through this device, has improved work efficiency, has also reduced the error when looking for the centre of a circle, and this device is small and exquisite portable simultaneously, and manufacturing cost is also low.

As shown in fig. 2, each of the guide assemblies includes: guide bar 6 and installation pole 7, the one end of guide bar 6 sets up the lateral wall that is close to positioning ruler 1 at installation department 401 fixedly, first spout 2 is passed through to the other end of guide bar 6, guide bar 6 and 2 sliding connection of first spout, installation pole 7 is two, two installation poles 7 set up respectively through bolt detachably on the both sides wall of wearing out first spout 2 one end at guide bar 6, each installation pole 7 is close to the lateral wall of positioning ruler 1 and all is provided with leading wheel 9 through mounting bracket 8 ground of rotating, each leading wheel 9 all with positioning ruler 1's lateral wall roll connection.

Specifically, through set up leading wheel 9 on mounting bracket 8, can play the guide effect to guide bar 6 when the motion in first spout 2, can dismantle the installation pole 7 through the bolt with guide bar 6 simultaneously and be connected, be convenient for dismantle maintenance or change with V-arrangement locating lever 4 from location chi 1.

Preferably, as shown in fig. 3, the positioning device further comprises two limiting assemblies, the two limiting assemblies are respectively arranged at two ends of the positioning rule 1, and the two limiting assemblies are used for preventing the guide rod 6 from being separated from the first sliding groove 2. Each spacing subassembly all includes: stopper 11 and mounting panel 10, mounting panel 10 pass through the bolt fastening at the tip of locating rule 1, and stopper 11 is fixed on the lateral wall that mounting panel 10 is close to first spout 2, and stopper 11 inserts in first spout 2.

Further, in order to prevent the mounting portion 401 of the V-shaped positioning rod 4 from being damaged, a buffer pad 12 is disposed at one end of each stopper 11 away from the mounting plate 10.

Further, as shown in fig. 4 and 5, both of the sliding sleeves 5 include: installation piece 501, press from both sides tight piece 502 and screw rod 503, two installation pieces 501 set up on the both ends of same V-arrangement locating lever 4 with sliding, all be provided with second spout 13 on the both ends of each V-arrangement locating lever 4, all be provided with on each installation piece 501 and be used for cooperating the locking mechanism with the both ends locking of two V-arrangement locating levers 4 with the second spout 13 on the crossing both ends of two V-arrangement locating levers 4, all be provided with the tight piece 502 of clamp of hugging closely with the lateral wall of V-arrangement locating lever 4 on the lateral wall of each installation piece 501, the horizontal clamp piece 502 that passes of screw rod 503 and supports tightly with the lateral wall of V-arrangement locating lever 4, screw rod 503 and the tight piece 502 threaded connection of clamp. Each of the locking mechanisms includes: a connecting rod 506 and a spring 505, wherein the connecting rod 506 vertically passes through the mounting block 501 and is inserted into the second sliding slot 13, a pull handle 504 is fixedly arranged at the top of the connecting rod 506, the spring 505 is arranged between the pull handle 504 and the mounting block 501, and the connecting rod 506 is inserted into the second sliding slot 13 of another adjacent V-shaped positioning rod 4 under the elastic force of the spring 505.

Specifically, when the two V-shaped positioning rods 4 need to be adjusted to be away from or close to each other to adjust the size of the clamping groove to be larger or smaller, the pull handle 504 is pulled to pull the connecting rod 506 out of the second sliding groove 13, then the screw 503 is twisted to prevent the screw 503 from being tightly attached to the side wall of the V-shaped positioning rod 4, and finally the two V-shaped positioning rods 4 can be pushed to slide relative to the first sliding groove 2.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (7)

1. An apparatus for locating the center of a circle by a round block, comprising: the positioning ruler comprises a positioning ruler (1), V-shaped positioning rods (4) and a sliding sleeve (5), wherein a first sliding groove (2) is coaxially arranged on the positioning ruler (1), a positioning hole (3) is arranged at the center of the positioning ruler (1), scales which take the center of the positioning hole (3) as zero scale and extend to two ends are arranged on the side wall of the positioning ruler (1), the number of the V-shaped positioning rods (4) is two, the included angle of the V-shaped positioning rods (4) is a right angle, the top of the V-shaped positioning rods (4) is an installation part (401), the two V-shaped positioning rods (4) are both slidably arranged above the first sliding groove (2) through a guide assembly arranged on the installation part (401), the included angles of the two ends of the two V-shaped positioning rods (4) and the first sliding groove (2) are both 45 degrees, the two V-shaped positioning rods (4) are arranged oppositely, the two V-shaped positioning rods (4) are not on the same plane, and the two V-shaped positioning rods (4) form a clamping groove for clamping a round block, two ends of the two V-shaped positioning rods (4) are connected in a sliding way through sliding sleeves (5).

2. The apparatus of claim 1, wherein each of the guide assemblies comprises: guide bar (6) and installation pole (7), the one end of guide bar (6) sets up the lateral wall that is close to positioning ruler (1) in installation department (401) fixedly, first spout (2) are passed through to the other end of guide bar (6), guide bar (6) and first spout (2) sliding connection, installation pole (7) are two, two installation poles (7) set up respectively through bolt detachably on the both sides wall of wearing out first spout (2) one end at guide bar (6), the lateral wall that each installation pole (7) are close to positioning ruler (1) all is provided with leading wheel (9) through mounting bracket (8) rotation ground, each leading wheel (9) all with the lateral wall roll connection of positioning ruler (1).

3. The device for positioning the circle center of the round block as claimed in claim 2, further comprising two limiting assemblies, wherein the two limiting assemblies are respectively arranged at two ends of the positioning ruler (1), and the two limiting assemblies are used for preventing the guide rod (6) from being separated from the first sliding groove (2).

4. The apparatus as claimed in claim 3, wherein each of the position-limiting assemblies comprises: stopper (11) and mounting panel (10), mounting panel (10) pass through the bolt fastening at the tip of locating ruler (1), and stopper (11) are fixed on mounting panel (10) are close to the lateral wall of first spout (2), and stopper (11) insert in first spout (2).

5. A device for locating the centre of a circle by round blocks according to claim 4, characterized in that the end of each stop block (11) facing away from the mounting plate (10) is provided with a cushion pad (12).

6. A device for the centering of a circular block according to any one of claims 1 to 5, characterized in that both said sliding sleeves (5) comprise: the mounting block (501), press from both sides tight piece (502) and screw rod (503), two mounting blocks (501) set up on the both ends of same V-arrangement locating lever (4) with sliding, all be provided with second spout (13) on the both ends of each V-arrangement locating lever (4), all be provided with on each mounting block (501) and be used for cooperating the locking mechanism with the both ends locking of two V-arrangement locating levers (4) with second spout (13) on the crossing both ends of two V-arrangement locating levers (4), all be provided with on the lateral wall of each mounting block (501) and press from both sides tight piece (502) of hugging closely with the lateral wall of V-arrangement locating lever (4), screw rod (503) horizontally passes and presss from both sides tight piece (502) and supports tightly with the lateral wall of V-arrangement locating lever (4), screw rod (503) and press from both sides tight piece (502) threaded connection.

7. The apparatus as claimed in claim 6, wherein each of said locking mechanisms comprises: the connecting rod (506) vertically penetrates through the mounting block (501) and is inserted into the second sliding groove (13), the top of the connecting rod (506) is fixedly provided with a pull handle (504), the spring (505) is arranged between the pull handle (504) and the mounting block (501), and the connecting rod (506) is inserted into the second sliding groove (13) of the other V-shaped positioning rod (4) adjacent to the connecting rod under the elastic force of the spring (505).

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