CN214252521U

CN214252521U - Motor test tool and coil conductive contact pin

Info

Publication number: CN214252521U
Application number: CN202120254669.9U
Authority: CN
Inventors: 黄彧
Original assignee: Wuxi Kaiyi Science And Technology Co ltd
Current assignee: Wuxi Kaiyi Science And Technology Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-09-21
Anticipated expiration: 2031-01-28

Abstract

The utility model belongs to the technical field of motor operating device equipment and specifically relates to a motor test fixture is related to, including the work platen, be fixed with the box body on the work platen, box body open-top is equipped with elasticity pushing and pressing mechanism in the box body, and elasticity pushing and pressing mechanism includes the clamp plate, and elasticity pushing and pressing mechanism is used for pushing the clamp plate to the motor, and the clamp plate is used for compressing tightly the motor on the box body inner wall, and the bottom is equipped with two conductive contact in the box body, and two conductive contact are used for contacting with the both ends line head of coil respectively. The method and the device have the advantages that the conflict between the conducting strip and the conducting contact is utilized to replace the direct contact between the wire end of the coil and the conducting contact, so that the conducting stability during the motor testing is improved; after the motor test is finished, the clamping plate of the elastic pushing and pressing mechanism is pulled open, the motor is taken out of the box body, and the wire end of the coil cannot be pulled apart.

Description

Motor test tool and coil conductive contact pin

Technical Field

The application relates to the field of motor operating mechanism equipment, in particular to a motor testing tool and a coil conductive contact pin.

Background

The electric operating mechanism is an accessory for a remote automatic opening and closing circuit breaker, and comprises a motor operating mechanism and an electromagnet operating mechanism. No matter the electromagnet or the motor is adopted, the attracting and rotating directions of the electromagnet or the motor are the same, and the closing and opening purposes are achieved only by the position of the cam inside the electric operating mechanism.

When the motor operating mechanism is produced, the testing of the motor is an essential step, and the insulation, voltage resistance, turn-to-turn, resistance, overload and the like of a motor coil need to be detected. The detection mode commonly used for the motor at present is that a worker clamps the two ends of the coil of the motor by two conductive clamps respectively, then the motor is placed on a workbench and the conductive clamps are taken down after the test is finished, and the phenomenon that the coil is torn due to violent pulling when the worker takes the conductive clamps is easy to occur in the detection mode.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the wire end that leads to the coil is torn apart to the violence drag when getting electrically conductive clamp of workman, this application provides a motor test frock and coil electrically conductive feeler.

In a first aspect, the application provides a motor test tool, which adopts the following technical scheme:

the utility model provides a motor test fixture, includes the work platen, be fixed with the box body on the work platen, box body open-top is equipped with elasticity pushing and pressing mechanism in the box body, and elasticity pushing and pressing mechanism includes the pinch-off blades, and elasticity pushing and pressing mechanism is used for pushing the pinch-off blades to the motor, and the pinch-off blades is used for compressing tightly the motor on the box body inner wall, and the bottom is equipped with two conductive contact in the box body, two conductive contact be used for respectively with the both ends end of a thread contact of coil.

Through adopting above-mentioned technical scheme, during the test motor, only need to pull open the pinch-off blades of elasticity pushing and pressing mechanism, provide the sufficient installation space of motor, then impress the motor in the box body from the top down, make the both ends end of a thread of coil on the motor respectively with two conductive contact contacts in the box body, then compress tightly the motor with the pinch-off blades of elasticity pushing and pressing mechanism, can begin to test the motor. After the motor test is finished, the clamping plate of the elastic pushing and pressing mechanism is pulled open, the motor is taken out of the box body, and the wire end of the coil cannot be pulled apart.

Optionally, the inner wall of the box body is provided with a first plane and a second plane, and the first plane and the second plane are respectively used for being in flat contact with two different straight side surfaces of the motor.

Through adopting above-mentioned technical scheme, make the motor can be pinpointed in the box body to make the both ends end of a thread of coil on the motor can accurately contact with two conductive contact.

Optionally, the bottom of the box body is provided with a jack, a central axis of the jack is parallel to an axis of a rotating shaft of the motor, a push rod is inserted into the jack, a spring is sleeved outside the push rod, an insulating sleeve is fixed at the top of the push rod, the bottom end of the spring abuts against the inner bottom surface of the box body, the top end of the spring abuts against the bottom surface of the insulating sleeve, a conductive contact is fixed in the insulating sleeve, the top of the insulating sleeve is open, and the bottom end of the push rod, pressed when the motor is positioned, is away from the bottom surface of the jack.

Through adopting above-mentioned technical scheme, when the motor was pressed downwards in the box body, the end of a thread of coil exerted pressure to conductive contact, and conductive contact and insulating cover can descend, made the end of a thread of coil reduce by the degree of pressure deformation.

Optionally, the elastic pushing mechanism further includes a guide pillar, a central axis of the guide pillar is perpendicular to an axis of a rotating shaft of the motor, the guide pillar penetrates through a side wall of the box body, a second spring is sleeved outside the guide pillar, one end of the second spring abuts against the clamping plate, and the other end of the second spring abuts against an inner wall of the box body.

Through adopting above-mentioned technical scheme, when pulling the pinch-off blades to keeping away from the motor direction, the second spring is compressed, and after loosening the pinch-off blades, the second spring pushes the pinch-off blades and compresses tightly the motor.

Optionally, the top of the surface of the clamping plate facing the motor is provided with a slope.

By adopting the technical scheme, the inclined plane ensures that the motor is not easily blocked by the top of the clamping plate when being placed into the box body from top to bottom.

Optionally, the inner wall of the box body is parallel to the axis of the rotating shaft of the motor, and the orthographic projection of the inner cavity of the box body along the axis of the rotating shaft of the motor is rectangular.

Through adopting above-mentioned technical scheme, on the one hand made things convenient for the machine-shaping to the box body inner wall, on the other hand made things convenient for the motor to be compressed tightly and is positioned on the box body inner wall.

Optionally, the inner wall of the box body is provided with a first groove and a second groove, and the first groove and the second groove are centrosymmetric about one point on the axis of the rotating shaft of the motor.

Through adopting above-mentioned technical scheme, in stretching into first recess and second recess with hand or instrument, made things convenient for and taken out the motor from the box body.

Optionally, the side wall of the box body is provided with a threading hole.

By adopting the technical scheme, the electric wire connected with the conductive contact is led out of the box body and is connected into the equipment conveniently.

The second aspect, this application provides a coil electric conduction contact pin that cooperation above-mentioned motor test fixture used, adopts following technical scheme:

the utility model provides a coil conductive contact pin, includes conducting strip and plug bush, and the conducting strip is inserted in the plug bush and interference fit, and the side of conducting strip is equipped with the sawtooth, is equipped with the hole on the conducting strip and supplies the end of a thread of coil to insert, and the plug bush is fixed in on the motor, and the conducting strip is used for contradicting with conductive contact.

Through adopting above-mentioned technical scheme, realized that the quick installation of conducting strip is fixed to replace the end of a thread of coil and the direct contact of conductive contact with the conflict of conducting strip and conductive contact, electrically conductive stability when having improved the test motor.

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

1. after the motor is tested, the clamping plate of the elastic pushing and pressing mechanism is pulled open, the motor is taken out of the box body, and the wire end of the coil cannot be pulled apart;

2. the conflict of the conducting strip and the conducting contact is utilized to replace the direct contact between the coil wire end and the conducting contact, so that the conducting stability during the motor testing is improved.

Drawings

FIG. 1 is a schematic overall structure diagram of a motor testing tool in an embodiment of the present application;

FIG. 2 is a top view of the motor positioned within the cartridge in an embodiment of the present application;

FIG. 3 is a perspective view of FIG. 2;

FIG. 4 is a top view of the cassette in an embodiment of the present application;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic structural view of FIG. 3 after the box body is hidden;

fig. 7 is a schematic view of the connection of the conductive plate to the socket.

Description of reference numerals: 1. a work table; 2. a box body; 3. a clamping plate; 4. a conductive contact; 5. a first plane; 6. a second plane; 7. a jack; 8. a top rod; 9. a spring; 10. an insulating sleeve; 11. a guide post; 12. a second spring; 13. a bevel; 14. a first groove; 15. a second groove; 16. threading holes; 17. a conductive sheet; 18. inserting a sleeve; 19. saw teeth; 20. a hole; 21. a motor; 22. cushion blocks; 23. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses motor test fixture. Referring to fig. 1, the motor testing tool comprises a working table plate 1, wherein a cushion block 22 is fixed on the working table plate 1, a box body 2 is fixed on the upper surface of the cushion block 22, and the box body 2 is in a cuboid shape. The upper and lower end surfaces of the box body 2 are open and communicated, and the upper surface of the cushion block 22 is the bottom surface of the inner cavity of the box body 2.

Referring to fig. 2, when the motor 21 is positioned in the box body 2, the axis of the rotating shaft of the motor 21 is parallel to any one side of the inner wall of the box body 2, and the orthographic projection of the inner cavity of the box body 2 along the axis direction of the rotating shaft of the motor 21 is rectangular.

Referring to fig. 2, a first groove 14 and a second groove 15 are additionally formed on the rectangular inner wall of the box body 2, and the first groove 14 and the second groove 15 are through grooves which are communicated with the upper surface and the lower surface of the box body 2. When the motor 21 is positioned in the case 2, the first groove 14 and the second groove 15 are centered symmetrically with respect to a point on the axis of the rotation shaft of the motor 21. The motor 21 can be easily removed from the case 2 by inserting it into the first recess 14 and the second recess 15 by hand or by a tool.

Referring to fig. 2, the inner wall of the case 2 has a first plane 5 and a second plane 6, and when the motor 21 is positioned in the case 2, two different flat sides of the motor 21 are in flat contact with the first plane 5 and the second plane 6, respectively.

Referring to fig. 3, two round holes are opened on the side of the box body 2, a horizontal guide pillar 11 is inserted into each round hole, the guide pillar 11 extends to one end of the box body 2 and is fixedly connected with a clamping plate 3, the clamping plate 3 is perpendicular to the guide pillar 11, the guide pillar 11 extends to one end of the box body 2 outside and is connected with a nut 23 in a threaded manner, and the nut 23 is blocked outside the box body 2. The space that the one side that the clamp plate 3 is back to guide pillar 11 and box body 2 inner wall enclose is used for placing motor 21, and clamp plate 3 is used for compressing tightly motor 21 on box body 2 inner wall.

Referring to fig. 3, the guide post 11 is sleeved with a second spring 12, one end of the second spring 12 abuts against the clamping plate 3, and the other end abuts against the inner wall of the box body 2. The surface of the clamping plate 3 facing the motor 21 is parallel to the axis of the rotating shaft of the motor 21, and the top of the surface is processed into an inclined surface 13, and the inclined surface 13 makes the motor 21 not easy to be blocked by the top of the clamping plate 3 when the motor 21 is put into the box body 2 from top to bottom.

Referring to fig. 4 and 5, two insertion holes 7 are formed in the bottom of the box body 2, the push rods 8 are inserted into the insertion holes 7, and the central axes of the insertion holes 7 and the central axes of the push rods 8 are parallel to the axis of a rotating shaft of a positioned motor 21 (see fig. 3). The ejector rod 8 is sleeved with a spring 9, the bottom end of the spring 9 abuts against the upper surface of the cushion block 22, the top of the ejector rod 8 is fixed with an insulating sleeve 10 made of nylon, and the top end of the spring 9 abuts against the bottom surface of the insulating sleeve 10. The conductive contact 4 is fixed in the insulating sleeve 10, and the top of the insulating sleeve 10 is opened to expose the conductive contact 4. The bottom of the conductive contact 4 is connected with a wire, and the bottom of the insulating sleeve 10 is also opened for leading out the wire downwards. The side wall of the box body 2 is also provided with a threading hole 16 for leading out a wire from the box body 2 to be connected with a detection device.

Referring to fig. 5 and 6, a coil conductive contact pin is connected to the motor 21, the coil conductive contact pin is composed of a conductive sheet 17 and an insertion sleeve 18, the insertion sleeve 18 is fixed on the motor 21, and the conductive sheet 17 is used for pressing the conductive contact 4 downwards. Since the top bar 8 and the conductive contact 4 are fixed relatively, the conductive contact 4 and the top bar 8 are pressed together, and when the motor 21 is positioned, the bottom end of the top bar 8 pressed by the conductive sheet 17 is at a distance from the bottom surface of the insertion hole 7.

Referring to fig. 6 and 7, the conductive plate 17 is inserted into the plug bush 18 from bottom to top and is in interference fit, both sides of the conductive plate 17 are provided with saw teeth 19, and the saw teeth 19 are locked in the inner wall of the plug bush 18 and cannot be pulled out. The conductive plate 17 has a hole 20 for inserting the end of the coil into the conductive contact 4, so that the coil is connected to the circuit when the conductive plate 17 is in contact with the conductive contact.

The implementation principle of the motor test fixture provided by the embodiment of the application is as follows: when testing the motor 21, the clamping plate 3 is pulled open only by the guide post 11 to provide enough installation space for the motor 21, then the motor 21 is pressed into the box body 2 from top to bottom, two conducting strips 17 on the motor 21 are respectively contacted with two conducting contacts 4 in the box body 2, and then the clamping plate 3 is pressed tightly against the motor 21 by loosening the guide post 11 to realize the positioning of the motor 21, so that the motor 21 can be tested. After the motor 21 is tested, the clamping plate 3 is pulled open by the guide post 11, and the motor 21 is taken out of the box body 2.

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

Claims

1. The utility model provides a motor test fixture, includes work platen (1), its characterized in that: the improved coil winding mechanism is characterized in that a box body (2) is fixed on the working table plate (1), the top of the box body (2) is opened, an elastic pushing mechanism is arranged in the box body (2), the elastic pushing mechanism comprises a clamping plate (3), the elastic pushing mechanism is used for pushing the clamping plate (3) to a motor (21), the clamping plate (3) is used for compressing the motor (21) on the inner wall of the box body (2), two conductive contacts (4) are arranged at the bottom in the box body (2), and the two conductive contacts (4) are respectively used for being in contact with the ends of a coil.

2. The motor test tool of claim 1, wherein: the inner wall of the box body (2) is provided with a first plane (5) and a second plane (6), and the first plane (5) and the second plane (6) are respectively used for being in flat contact with two different flat side surfaces of the motor (21).

3. The motor test tool of claim 2, wherein: the bottom of box body (2) is equipped with jack (7), the axis of jack (7) is parallel with the rotation axis of motor (21), ejector pin (8) have been inserted in jack (7), ejector pin (8) overcoat has spring (9), ejector pin (8) top is fixed with insulating cover (10), bottom surface in box body (2) is supported to spring (9) bottom, spring (9) top is supported in insulating cover (10) bottom surface, conductive contact (4) are fixed in insulating cover (10), insulating cover (10) open-top, ejector pin (8) bottom and jack (7) bottom surface that are pressed when motor (21) are positioned have the distance.

4. The motor test tool of claim 1, wherein: the elastic pushing mechanism further comprises a guide post (11), the central axis of the guide post (11) is perpendicular to the axis of a rotating shaft of the motor (21), the guide post (11) penetrates through the side wall of the box body (2), a second spring (12) is sleeved outside the guide post (11), one end of the second spring (12) is abutted against the clamping plate (3), and the other end of the second spring (12) is abutted against the inner wall of the box body (2).

5. The motor test tool of claim 1, wherein: the top of the surface of the clamping plate (3) facing the motor (21) is provided with an inclined plane (13).

6. The motor test tool of claim 1, wherein: the inner wall of the box body (2) is parallel to the axis of a rotating shaft of the motor (21), and the orthographic projection of the inner cavity of the box body (2) along the axis direction of the rotating shaft of the motor (21) is rectangular.

7. The motor test tool of claim 6, wherein: the inner wall of the box body (2) is provided with a first groove (14) and a second groove (15), and the first groove (14) and the second groove (15) are centrosymmetric about one point on the axis of the rotating shaft of the motor (21).

8. The motor test tool of claim 7, wherein: the side wall of the box body (2) is provided with a threading hole (16).

9. The utility model provides a coil electrically conducts contact foot that cooperation claim 1 a motor test fixture used which characterized in that: including conducting strip (17) and plug bush (18), conducting strip (17) are inserted and interference fit in plug bush (18), and the side of conducting strip (17) is equipped with sawtooth (19), is equipped with hole (20) on conducting strip (17) and supplies the end of a thread of coil to insert, and on plug bush (18) were fixed in motor (21), conducting strip (17) were used for contradicting with conductive contact (4).