CN209929509U

CN209929509U - Circuit connection terminal and toothbrush motor thereof

Info

Publication number: CN209929509U
Application number: CN201920576254.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Sichuan Anhe Precision Electronics And Electrical Appliances Co Ltd
Current assignee: Sichuan Anhe Precision Electronics And Electrical Appliances Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-01-10
Anticipated expiration: 2029-04-25

Abstract

The utility model belongs to the technical field of the motor, specifically a circuit connection terminal and toothbrush motor thereof, including supporting baseplate, spring and spring apron, the supporting baseplate includes first through-hole, blind hole, second through-hole, third through-hole and recess, and the lower extreme of spring is through moulding plastics the combination in the recess of supporting baseplate, and first through-hole and blind hole symmetry set up in the long avris of supporting baseplate, and first through-hole and blind hole are used for inserting of spring apron, and second through-hole and third through-hole set up respectively in the short avris of supporting baseplate, and second through-hole and third through-hole are used for running through grafting of electric conductor, the utility model discloses the part is with low costs, efficient, and easy operation and stability are high.

Description

Circuit connection terminal and toothbrush motor thereof

Technical Field

The utility model belongs to the technical field of the motor, especially, relate to a circuit connection terminal and toothbrush motor thereof.

Background

As electronic products are smaller, connection terminals for electrical connection are also smaller, and the requirements for electrical connection performance of the connection terminals are higher. For example, a circuit connection terminal is required to be installed inside the toothbrush motor for electrical connection between the coils, and higher requirements are made on stability and precision.

At present, no proper circuit connecting terminal exists, and if the supporting piece with the metal plates at two ends is suitable for electrically connecting the coils at two sides of the toothbrush motor, the operation difficulty is high, the reliability of the performance of the toothbrush motor is poor, the efficiency is low, and the reject ratio is high in production.

Disclosure of Invention

An object of the utility model is to provide a circuit connection terminal and toothbrush motor thereof to solve and do not have suitable circuit connection terminal's technical problem among the prior art.

In order to achieve the technical purpose, the utility model discloses use following technical scheme:

the utility model provides a circuit connecting terminal, including the supporting baseplate, spring and spring apron, the supporting baseplate includes first through-hole, the blind hole, the second through-hole, third through-hole and recess, the lower extreme of spring is through moulding plastics the combination in the recess of supporting baseplate, first through-hole and blind hole symmetry set up in the long avris of supporting baseplate, first through-hole and blind hole are used for inserting of spring apron, second through-hole and third through-hole set up respectively in the short avris of supporting baseplate, second through-hole and third through-hole are used for the electric conductor to run through grafting.

Further, after the circuit connecting terminal is assembled, the upper end face of the spring is in press connection with the lower surface of the spring cover plate.

Further, after the circuit connecting terminal is assembled, the end face of the spring cover plate is flush with the end face of the long side of the first through hole.

Furthermore, the material of the support bottom plate and the spring cover plate comprises plastic, and the material of the spring comprises conductive metal.

Further, the shape of the spring cover plate corresponds to the hole shapes of the first through hole and the blind hole.

Further, the groove is located at the center of the support base plate.

Further, the diameter of the groove is larger than that of the spring, and the shape of the groove comprises a circle and a regular polygon.

A toothbrush motor comprising the circuit connection terminal as set forth in any one of the above.

The utility model provides a pair of circuit connection terminal and toothbrush motor thereof has following advantage:

1. a proper circuit connecting terminal is provided for the toothbrush motor, and the component processing cost of the circuit connecting terminal is low and the efficiency is high.

2. The operation difficulty of the circuit connecting terminal is small, and the operation is simple and stable.

3. The circuit connection terminals provide further reliability to the precision performance of the toothbrush motor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.

Fig. 1 is a schematic perspective view of a circuit connection terminal.

Fig. 2 is an exploded view of the circuit connection terminal.

Fig. 3 is a front perspective view of the support base.

Fig. 4 is a rear perspective view of the support base plate.

Reference numerals: 100-supporting bottom plate, 200-spring, 300-cover plate, 400-electric conductor, 101-first through hole, 102-blind hole, 103-second through hole, 104-third through hole and 105-groove.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention will be combined below to describe the technical solution in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 4, a circuit connecting terminal includes a supporting base plate 100, a spring 200 and a spring cover plate 300, wherein the supporting base plate 100 includes a first through hole 101, a blind hole 102, a second through hole 103, a third through hole 104 and a groove 105, the lower end of the spring 200 is assembled in the groove 105 of the supporting base plate 100 by injection molding, the supporting base plate 100 is rectangular as a whole, the spring 200 is spiral, the groove 105 is disposed in the center of the supporting base plate 100, the groove 105 does not penetrate through the supporting base plate 100, and the blind hole 102 does not penetrate through the long side of the supporting base plate 100.

First through-hole 101 and blind hole 102 symmetry set up in the long avris of supporting baseplate, first through-hole 101 and blind hole 102 are used for inserting of spring cover board 300, the symmetry sets up and can be convenient for spring cover board 300 to peg graft and make spring cover board 300 joint atress more balanced in supporting baseplate 100 long avris, when the equipment, spring cover board 300 inserts and passes recess 105 from first through-hole 101, spring cover board 300 finally inserts in blind hole 102, its equipment operation degree of difficulty is little, efficient.

The second through hole 103 and the third through hole 104 are respectively arranged on the short side of the supporting base plate 100, the second through hole 103 and the third through hole 104 are used for penetrating and inserting of the electric conductors, the second through hole 103 and the third through hole 104 are symmetrically arranged on the short side of the supporting base plate 100, the electric conductors can penetrate through the supporting base plate 100 conveniently, axial stress of the electric conductors is more balanced, when the electric conductors are assembled, the electric conductors on two short sides of the supporting base plate 100 respectively penetrate through the second through hole 103 and the third through hole 104, and the electric conductors on two.

The utility model provides a proper circuit connecting terminal for the toothbrush motor, and the processing cost of the components of the circuit connecting terminal is low and the efficiency is high. When the circuit connecting terminal is used, the spring 200 is pressed by an external force and the spring cover plate 300 is inserted at the same time, so that the spring 200 is positioned under the spring cover plate 300, the spring 200 is pressed to provide a reaction force for the spring cover plate 300, the spring cover plate achieves a fixing effect, the spring 200 is made of metal, and the conductors on two sides are electrically connected through the spring. The utility model provides a pair of circuit connection terminal not only can be used for the bridging between two coils in the toothbrush motor, can also be used for the bridging between toothbrush motor coil lead wire and the external conductor.

Further, after the circuit connection terminal is assembled, the upper end surface of the spring 200 is pressed on the lower surface of the spring cover plate 300, the spring 200 has an elastic force, the lower end of the spring 200 is located on the bottom surface of the groove 105 of the support base plate 100, after the external force presses, the spring 200 can generate a rebound force on the upper end surface of the spring 200 due to elastic deformation, and the upper end surface of the spring 200 is arranged on the lower surface of the spring cover plate 300, that is, the conductive bodies and the springs on two sides are clamped through the spring cover plate 300 to achieve a fixing effect.

After the circuit connecting terminal is assembled, the end face of the spring cover plate 300 is flush with the end face of the long side of the first through hole 101, and the spring cover plate 300 is matched with the first through hole 101 and the blind hole 102 of the supporting base plate 100, if the spring cover plate 300 which is not flush with the end face of the long side of the first through hole 101 of the supporting base plate 100 is not assembled in place, the assembled spring cover plate 300 cannot be exposed on the end face of the long side of the first through hole 101 of the supporting base plate 100, and further, other components of the toothbrush motor are made free from installation space.

The material of the supporting base plate 100 and the spring cover plate 300 comprises plastic, the material of the spring 200 comprises conductive metal, the supporting base plate 100 and the spring cover plate 300 are made of insulating material, the spring 200 is made of conductive metal material, such as copper spring, the supporting base plate 100 provides support for the circuit connecting terminal, and the spring 200 and the spring cover plate 300 are matched to be provided with fixed electric conductors.

The shape of the spring cover plate 300 corresponds to the hole shape of the first through hole 101 and the blind hole 102, the spring cover plate 300 penetrates through the first through hole 101 to be clamped in the blind hole 102 to form compression joint on the spring 200, the spring cover plate 300 is in interference fit with the first through hole 101 and the blind hole 102, glue can be applied between the spring cover plate 300 and the first through hole 101 and the blind hole 102, and the clamping fixing effect is further increased. The shapes and sizes of the first through hole 101 and the blind hole 102 are matched with those of the spring cover plate 300, so that the spring cover plate 300 can be tightly matched after being inserted, the space of the first through hole 101 and the blind hole 102 is occupied, and the use reliability of the circuit connecting terminal is improved.

The groove 105 is located at the center of the support base plate 100, the groove 105 is centrally located to enable the circuit connection terminals to be evenly stressed, and the groove 105 provides an installation space for the spring 200. The diameter of the groove 105 is larger than that of the spring 200, the shape of the groove 105 includes a circle, a regular polygon, and the spring 200 having a smaller diameter can be combined into the groove 105 of the support base 100.

The conductor 400 includes a wire, and the wire core is fixed under the pressure of the spring 200, which is beneficial to improving the ability of the wire to bear the external tension, so that the wire in the spring gap cannot easily fall off, and the reliability of the electrical connection terminal is further improved. The diameters of the second through hole 103 and the third through hole 104 are equal to or larger than the diameter of the wire, so that the wire can smoothly enter the gap of the spring 200. The conductor 400 is a wire with an external insulating layer, the conductor core is made of conductive materials such as conductive copper, the conductor core is electrically connected with the spring 200 in the groove 105, the length of the stripped insulating layer of the conductor core is less than or equal to the diameter of the groove, one conductor and the spring 200 can be in two-point pressure connection or one-point pressure connection, the insulating layer of the conductor can be completely or partially inserted into the through hole on the short side of the supporting bottom plate 100, and preferably, the insulating layer of the conductor is completely inserted into the through hole on the short side of the supporting bottom plate 100 and extends to the inner wall surface of the groove.

In addition, the contact surfaces of the first through hole 101 and the spring cover plate 300 and the contact surfaces of the second through hole 103 and the third through hole 104 and the conductor can be provided with concave-convex texture surfaces, so that the friction force between the spring cover plate 300 and the conductor is improved, and the reliability of the circuit connecting terminal is further improved.

Example 2

Referring to fig. 1 to 4, a toothbrush motor including the circuit connection terminal includes a supporting base plate 100, a spring 200 and a spring cover plate 300, wherein the spring 200 and the supporting base plate 100 are integrated by injection molding, and the circuit connection terminal is used to electrically connect two side coils of the toothbrush motor.

The utility model discloses a circuit connection terminal, supporting baseplate 100, spring 200 and spring apron 300's part processing cost is low, efficient, and it is little to make the operation degree of difficulty, easy operation and stability, and circuit connection terminal after the shaping is inseparabler, reliable more, provides further reliability for toothbrush motor precision performance.

According to another embodiment, the support base plate 100 and the spring cover plate 300 are made of a rubber material to insulate the circuit connection terminals from the outside.

According to another embodiment, the second through hole 103 and the third through hole 104 on the short side of the supporting base plate 100 can be staggered in the vertical direction and the horizontal direction, and the through holes on the two sides of the short side are arranged near the center of the corresponding spring, so that the supporting base plate can be used in equipment with wires on two sides not symmetrically distributed.

According to another embodiment, the second through hole 103 and the third through hole 104 are tapered, and the through holes are located on the outer side of the supporting base plate and are large and located on the inner side of the supporting base plate, the outer side is large to facilitate the insertion of the conductor, and the inner side is small to clamp the conductor.

According to another embodiment, a shielding shell is arranged outside the circuit connecting terminal, and the material of the shielding shell is made of a metal material or an insulating material and is used for shielding internal and external magnetic interference or protecting the circuit connecting terminal.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, but is provided for the purpose of facilitating understanding the method and the core concept thereof, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention. 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. The utility model provides a circuit connection terminal, a serial communication port, including the supporting baseplate, spring and spring apron, the supporting baseplate includes first through-hole, the blind hole, the second through-hole, third through-hole and recess, the lower extreme of spring is through moulding plastics the combination in the recess of supporting baseplate, first through-hole and blind hole symmetry set up in the long avris of supporting baseplate, first through-hole and blind hole are used for inserting of spring apron, second through-hole and third through-hole set up respectively in the short avris of supporting baseplate, second through-hole and third through-hole are used for the grafting that runs through of electric conductor.

2. A circuit connecting terminal according to claim 1, wherein: after the circuit connecting terminal is assembled, the upper end face of the spring is in press connection with the lower surface of the spring cover plate.

3. A circuit connecting terminal according to claim 2, wherein: after the circuit connecting terminal is assembled, the end face of the spring cover plate is flush with the end face of the long side of the first through hole.

4. A circuit connecting terminal according to claim 1, wherein: the supporting bottom plate and the spring cover plate are made of plastics, and the spring is made of conductive metal.

5. A circuit connecting terminal according to claim 1, wherein: the shape of the spring cover plate corresponds to the hole shapes of the first through hole and the blind hole.

6. A circuit connecting terminal according to claim 1, wherein: the groove is positioned in the center of the supporting bottom plate.

7. A circuit connecting terminal according to claim 6, wherein: the diameter of the groove is larger than that of the spring, and the shape of the groove comprises a circle and a regular polygon.

8. A toothbrush motor, characterized by comprising the circuit connection terminal according to any one of claims 1 to 7.