CN218584823U

CN218584823U - Positioning tool for cylindrical magnet

Info

Publication number: CN218584823U
Application number: CN202223104354.XU
Authority: CN
Inventors: 颜嘉豪; 赵嘉; 杨雨恋
Original assignee: HUNAN XIANGYI RAILROAD LOCOMOTIVE ELECTRICAL EQUIPMENT CO Ltd
Current assignee: HUNAN XIANGYI RAILROAD LOCOMOTIVE ELECTRICAL EQUIPMENT CO Ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-07
Anticipated expiration: 2032-11-22

Abstract

The utility model provides a location frock of cylindrical magnet, includes supporter and magnet, and the supporter is equipped with the skeleton hole that is used for placing the skeleton and the magnet hole that is used for placing magnet, and wherein the skeleton hole sets up the intermediate position department at the supporter, and magnet has two, and the magnet hole also has two, sets up the both sides department in skeleton hole separately. The utility model discloses an all set up an extra magnet in the N utmost point of permanent magnet and S utmost point both ends department, come the permanent magnet accurate positioning at the skeleton through the appeal between magnet and the permanent magnet, to the higher skeleton of batch production and size precision, only need adjust the position of magnet at the supporter, just can fix a position the position of every permanent magnet, improved the degree of accuracy of production speed and permanent magnet position greatly.

Description

Positioning tool for cylindrical magnet

Technical Field

The utility model relates to a location frock of magnet, concretely relates to location frock for assembling acceleration sensor's cylindrical magnet.

Background

The force balance acceleration sensor utilizes the electromagnetic induction principle between a permanent magnet and a coil to realize the calculation of acceleration, the permanent magnet is a cylinder, the north and south poles of the permanent magnet are symmetrically distributed along the axial direction of the permanent magnet, and the mounting position precision of the permanent magnet in a sensor framework is very high, so the magnet in the shape is very difficult to mount, the magnet is a cylinder, the shape of the magnet mounted on the framework is also an arc groove, the magnet is very easy to roll in the arc groove, and the performance of the acceleration sensor can be influenced by slight deviation. Therefore, how to ensure that the permanent magnet can be quickly and accurately positioned in the mounting groove of the framework is a key for improving the production efficiency and quality of the force balance acceleration sensor.

For example, CN201621183721.1, entitled "an electromagnet positioning device for accelerator", sets a sliding slot on the surface of a spliced door of magnets and inserts a pin bush in the sliding slot, and uses the pin bush to position two adjacent magnets, but the contact surface between the magnets is not arc-shaped and will not rotate, therefore, this method cannot solve the positioning of cylindrical magnets.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the current degree of difficulty when installing cylindrical magnet in the arc wall big, accuracy uncontrollable problem, provided a cylindrical magnet's location frock, can accurate control magnet position in the arc wall, guarantee the effect of installation.

The utility model discloses a solve the technical means that above-mentioned problem adopted and do: the utility model provides a cylindrical magnet's location frock, includes supporter and magnet, and the supporter is equipped with the skeleton hole that is used for placing the skeleton and the magnet hole that is used for placing magnet, and wherein the skeleton hole sets up the intermediate position department at the supporter, and magnet has two, and the magnet hole also has two, sets up the both sides department in skeleton hole separately.

Further, after the permanent magnet is placed on the framework positioned in the framework hole, the central line of the permanent magnet is higher than that of the magnet in the magnet hole. The permanent magnet is attached to the framework downwards as much as possible through the attraction of the magnet, and the gap between the permanent magnet and the framework is reduced.

Furthermore, a lug matched with the groove of the framework is arranged in the framework hole.

Furthermore, the supporting body is also provided with a positioning block, and the wall of the tail end of the positioning block, which protrudes out of the framework hole, is matched with the positioning groove of the framework.

Furthermore, the lug and the positioning block are respectively positioned on two side surfaces in the framework hole close to two ends of the support body.

Further, the magnet direction in the two magnet holes is the same.

Further, the magnet is a cylinder with north and south poles respectively arranged at two ends.

Further, the magnet hole is a cylindrical blind hole.

Further, the magnet hole is an arc-shaped hole with an opening on the upper surface.

Further, the skeleton hole is a through hole with an open upper surface.

The beneficial effects of the utility model are that:

1. the utility model discloses an establish the skeleton hole at the supporter with the skeleton earlier, then adsorb the permanent magnet through the magnet at supporter both ends, make its location at the correct position of skeleton, can guarantee the exactness of permanent magnet position, and easy operation, speed are extremely fast.

2. The utility model discloses a both sides department in the skeleton hole sets up lug and locating piece respectively and fixes the skeleton, can fix a position the skeleton in accurate position, has reduced the required precision of other positions in the skeleton hole.

Drawings

FIG. 1 is a schematic structural diagram of a positioning tool for positioning a permanent magnet according to an embodiment;

FIG. 2 is a schematic view of an embodiment of a permanent magnet positioned with a magnet;

FIG. 3 is a schematic diagram of a positioning block for positioning a frame according to an embodiment;

FIG. 4 is a schematic diagram of a skeleton according to an embodiment;

FIG. 5 is a schematic view of a frame from another angle according to an embodiment;

FIG. 6 is a schematic view of a support according to one embodiment;

FIG. 7 is another perspective view of FIG. 6;

FIG. 8 is a schematic view of a permanent magnet according to an embodiment;

FIG. 9 is a schematic structural view of a support according to a second embodiment;

in the figure: 1. the magnetic bearing comprises a support body, 11 skeleton holes, 12 bumps, 13 positioning blocks, 14 magnet holes, 2 skeletons, 21 grooves, 22 positioning grooves, 23 placing holes, 3 permanent magnets and 4 magnets.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example one

In the present embodiment, as shown in fig. 8, the cylindrical magnet to be positioned is a permanent magnet 3 having N and S poles symmetrically arranged along the axial direction thereof. As shown in fig. 4, the frame 2 is provided with a placing hole 23 for placing the permanent magnet 3, the placing hole 23 is an arc-shaped groove with two closed ends, and the permanent magnet 3 is in clearance fit with the placing hole 23 after being placed in the placing hole. As shown in fig. 4 and 5, the positioning grooves 22 and the grooves 21 are disposed on the outer side of the frame 2, and after the frame 2 is placed in the frame hole 11, the positioning grooves 22 and the grooves 21 are respectively disposed on two sides of the vertical symmetry plane where the center line of the placing hole 23 is located.

As shown in fig. 6, the tool includes a support body 1, in this embodiment, the support body 1 is a rectangular parallelepiped structure as a whole, a framework hole 11 is disposed in the middle of the upper surface of the support body 1, and the framework hole 11 penetrates through the front and rear surfaces of the support body 1 all the time to form a through hole with an open top, so as to simplify the processing. The shape of skeleton hole 11 matches with skeleton 2 shape, as shown in fig. 6 and 7, be equipped with in skeleton hole 11 with recess 21 complex lug 12 of skeleton 2, with locating piece 13 of the constant head tank 22 complex of skeleton 2, fix a position the skeleton in skeleton hole 11 through lug 12 and locating piece 13, like this, come the position of skeleton 2 through the mode that sets up stuck point (lug 12 and locating piece 13) in the left and right sides, the dimensional accuracy requirement of other positions can reduce in skeleton hole 11, need not to cooperate completely with skeleton 2 size, only need guarantee when skeleton 2 places skeleton hole 11 after, as shown in fig. 3, lug 12 cooperates with recess 21, locating piece 13 and constant head tank 22 cooperation can.

In the present embodiment, as shown in fig. 6 and 7, one magnet hole 14 is respectively provided on both end surfaces of the support body 1, the magnet hole 14 is a circular blind hole, as shown in fig. 2, the magnet 4 used in cooperation is also cylindrical, and both poles of the magnet 4 are distributed along both ends. And after the magnet 4 is placed in the magnet hole 14 and the permanent magnet 3 is placed in the framework 2 in the framework hole 11, the center line of the magnet 4 is positioned below the center line of the permanent magnet 3 so as to form a downward acting force on the permanent magnet 3 and reduce the gap between the permanent magnet 3 and the framework 2 as much as possible.

The positioning mode of the permanent magnet 3 on the framework 2 in the embodiment is as follows: as shown in fig. 1, after the support body 1 is formed, the magnet holes 14 at the two ends of the support body 1 are placed by selecting the proper magnets 4, and the two magnets 4 are arranged in the same direction, the magnet N pole at one side faces the framework hole 11, the magnet S pole at the other side faces the framework hole 11, the positions of the two magnets 4 in the magnet holes 14 are adjusted, so that when the framework 2 is positioned in the framework hole 11, the magnetic force between the two magnets 4 and the central line of the placing hole 23 of the framework 2 is equal, and then the two magnets 4 are fixed, such as dropping glue to make the magnets 4 adhere to the adjusted positions. After the framework 2 is placed, the permanent magnet 3 is placed in the placing hole 23, of course, the N pole and the S pole of the permanent magnet are preferably placed towards two sides, the permanent magnet 3 is positioned by utilizing the attraction of the magnet 4 to the permanent magnet 3, and then glue is dripped to adhere the permanent magnet 3 to the correct position of the framework 2. For the frameworks which are produced in batch and have higher dimensional precision, the position of each permanent magnet can be positioned only by adjusting the position of the magnet on the support body once, so that the production speed and the accuracy of the position of the permanent magnet are greatly improved.

Example two

The present embodiment is substantially the same as the first embodiment, except that, as shown in fig. 9, the magnet holes 14 are in an arc or semicircular structure, so that the position of the magnet 4 can be adjusted more conveniently.

Of course, the magnet 4 may have another shape, and similarly, the magnet hole 14 may have a shape matching the magnet 2.

The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, so all equivalent technical solutions should also belong to the protection scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. The utility model provides a cylindrical magnet's location frock which characterized in that: including supporter and magnet, the supporter is equipped with the skeleton hole that is used for placing the skeleton and the magnet hole that is used for placing magnet, and wherein the skeleton hole sets up the intermediate position department at the supporter, and magnet has two, and the magnet hole also has two, sets up the both sides department in skeleton hole respectively.

2. The positioning tool for the cylindrical magnet according to claim 1, characterized in that: after the permanent magnet is placed on the framework positioned in the framework hole, the central line of the permanent magnet is higher than that of the magnet in the magnet hole.

3. The positioning tool for the cylindrical magnet according to claim 1, characterized in that: the frame hole is internally provided with a convex block matched with the groove of the frame.

4. The positioning tool for the cylindrical magnet according to claim 3, wherein: the supporting body is also provided with a positioning block, and the wall of the tail end of the positioning block, which protrudes out of the framework hole, is matched with the positioning groove of the framework.

5. The positioning tool for the cylindrical magnet according to claim 4, wherein: the convex block and the positioning block are respectively positioned on two side surfaces close to two ends of the support body in the framework hole.

6. The positioning tool for the cylindrical magnet according to claim 1, wherein: the magnet direction in the two magnet holes is the same.

7. The positioning tool for the cylindrical magnet according to claim 6, characterized in that: the magnet is a cylinder with north and south poles respectively arranged at two ends.

8. The positioning tool for the cylindrical magnet according to claim 1, wherein: the magnet hole is a cylindrical blind hole.

9. The positioning tool for the cylindrical magnet according to claim 1, characterized in that: the magnet hole is an arc hole with an opening on the upper surface.

10. The positioning tool for the cylindrical magnet according to claim 1, characterized in that: the skeleton hole is a through hole with an opening on the upper surface.