CN210462193U

CN210462193U - Up-down driving type electromagnetic support

Info

Publication number: CN210462193U
Application number: CN201920210943.5U
Authority: CN
Inventors: 杨丹霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-18
Filing date: 2019-02-18
Publication date: 2020-05-05
Anticipated expiration: 2029-02-18

Abstract

The utility model discloses an up-down driving electromagnetic bracket, which comprises a base, a left clamping arm, a right clamping arm, a driving mechanism and a controller, wherein the left clamping arm and the right clamping arm are movably arranged on the base, a left rack is arranged on the left clamping arm, and a right rack is arranged on the right clamping arm; the driving mechanism comprises a gear, a vertical arm and an electromagnet, wherein the gear is pivoted in the base; the vertical arm is provided with a vertical rack, the left rack and the right rack are respectively meshed with the gear, the lower end of the vertical arm is provided with a magnet or an iron core, the electromagnet is opposite to the magnet or the iron core, and the electromagnet is connected with the controller; and an elastic element is arranged on the base and connected between the base and the vertical arm or between the base and the gear. Therefore, the support is automatically clamped or loosened by utilizing the principle that the electromagnet is electrified to adsorb and is loosened in a power-off mode and combining the elastic element and the gear linkage structure, the overall structure of the support is simple, the operation is convenient and fast, and convenience is brought to users.

Description

Up-down driving type electromagnetic support

Technical Field

The utility model belongs to the technical field of the support for the electronic product and specifically relates to indicate a drive formula electromagnetic support from top to bottom.

Background

Electronic equipment commonly used in daily life such as mobile phones and tablet computers has practical functions such as communication and navigation, and therefore becomes indispensable intelligent electronic equipment for drivers to drive cars and go out. Many people often use mobile phones to navigate when driving, and if holding the mobile phones on the hands, the mobile phones will hinder the driving action of the driver, if putting the mobile phones on the windshield or on the platform in front of the steering wheel, the sight line of the driver will be affected, and in the driving process of the automobile, the mobile phones are likely to slip off due to unstable fixation, thereby causing more inconvenience to the driver. In the automobile parts market, vehicle-mounted brackets are produced accordingly.

The existing vehicle-mounted support can clamp a mobile phone and a tablet personal computer, and then the vehicle-mounted support is arranged on an air outlet, a steering wheel or a windshield of an automobile, so that a driver can watch the vehicle-mounted support conveniently. However, the existing vehicle-mounted bracket usually lacks the function of automatic clamping or loosening, and although the electric bracket can realize automatic clamping or loosening, the structure is complex, the cost is high, and the failure rate is high. Therefore, the existing vehicle-mounted bracket should be improved to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a drive formula electromagnetic support from top to bottom, and it is through utilizing the principle that electromagnet circular telegram absorption and outage unclamped to combine elastic element and gear linkage structure to realize the self-holding to the support or unclamp, support overall structure is simple, and convenient operation is swift, provides convenience for the user.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an up-down driving type electromagnetic support comprises a base, a left clamping arm, a right clamping arm, a driving mechanism and a controller, wherein the left clamping arm and the right clamping arm are arranged on the base; the driving mechanism comprises a gear, a vertical arm and an electromagnet controlled by the controller to be powered on and powered off, the gear is pivoted in the base, and the left rack and the right rack are respectively meshed with the gear; the vertical arm can be arranged in the base in a vertically sliding mode, a vertical rack is arranged on the vertical arm, the vertical rack is meshed with the gear, a magnet or an iron core is arranged at the lower end of the vertical arm, and the electromagnet is arranged in the base and is opposite to the magnet or the iron core; and an elastic element used for resetting the vertical arm is arranged on the base and is connected between the base and the vertical arm or between the base and the gear.

As a preferred embodiment: the elastic element is a pressure spring which is abutted between the lower end of the vertical arm and the inner wall of the base.

As a preferred embodiment: two sides of the lower end of the vertical arm are respectively provided with a connecting column, a limiting plate is respectively arranged in the base corresponding to the two connecting columns, and the two pressure springs are respectively butted between the connecting columns and the limiting plates; the magnet or the iron core is positioned between the two connecting columns, and the electromagnet is opposite to the magnet or the iron core.

As a preferred embodiment: the elastic element is a tension spring which is connected between the upper end of the vertical arm and the inner wall of the top of the base.

As a preferred embodiment: the elastic element is a torsion spring which is arranged between the gear and the inner wall of the base, and the torsion spring drives the gear to reversely reset after the electromagnet is powered off.

As a preferred embodiment: the lower end of the base can be vertically and slidably provided with a bottom supporting arm, a microswitch used for triggering the controller to control the electromagnet to adsorb or loosen is arranged in the base, and the microswitch is connected with the controller, is positioned beside the bottom supporting arm and is opened or closed along with the up-and-down sliding of the bottom supporting arm.

As a preferred embodiment: and an inductive switch or a button switch connected with the controller is arranged on the base.

As a preferred embodiment: the base is provided with a power supply interface.

As a preferred embodiment: the base is provided with a wireless charging module for wirelessly charging the electronic product.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, the technical proposal can realize the folding and clamping of the left and right clamping arms by adopting the adsorption characteristic of the electromagnet to the magnet or the iron core in the bracket and combining the linkage structure of the vertical arm, the gear and the left and right arms; and the electromagnet or the iron core is loosened by utilizing the power failure of the electromagnet, and the elastic element enables the reset function of each component to realize the opening of the left and right clamping arms. The support is simple in overall structure, convenient and fast to operate, automatic clamping or loosening of the support is achieved, and convenience is provided for users.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the bracket of the present invention;

FIG. 2 is a perspective view of the bracket of the present invention from another perspective;

FIG. 3 is a schematic view of the internal structure of the bracket when the elastic element of the present invention is a compression spring;

FIG. 4 is a schematic view of the internal structure of the bracket when the elastic element of the present invention is a tension spring;

FIG. 5 is a schematic view of the internal structure of the bracket when the elastic element of the present invention is a torsion spring;

fig. 6 is a further exploded perspective view of fig. 5.

The attached drawings indicate the following:

10. base 11, chute

12. Limiting column 13 and limiting plate

20. Left clamping arm 21 and left rack

22. Limiting groove 30 and right clamping arm

31. Right rack 32 and limit groove

40. Drive mechanism 41, gear

42. Vertical groove 421, spliced pole

43. Electromagnet 44, vertical rack

45. Magnet or iron core 50, controller

60. Elastic element 70, bottom support arm

71. Limiting groove 80 and microswitch

90. Wireless module 100 that fills, power supply interface.

Detailed Description

The utility model discloses as shown in fig. 1 to fig. 6, a drive formula electromagnetism support from top to bottom, including base 10, install left centre gripping arm 20, right centre gripping arm 30 on base 10, be used for driving actuating mechanism 40 of left centre gripping arm 20, right centre gripping arm 30 action and be used for controlling actuating mechanism 40 moving controller 50 (for control element, not shown in the figure), wherein:

the left clamping arm 20 and the right clamping arm 30 are movably mounted on the base 10, a left rack 21 is arranged on the left clamping arm 20, and a right rack 31 is arranged on the right clamping arm 30; the driving mechanism 40 comprises a gear 41, a vertical arm 42 and an electromagnet 43 controlled by the controller 50 to be switched on and off, the gear 41 is pivoted in the base 10, and the left rack 21 and the right rack 31 are respectively meshed with the lower half parts of the gear 41; the vertical arm 42 is slidably mounted in the base 10 up and down, a vertical rack 44 is disposed thereon, the vertical rack 44 is engaged with the upper half portion of the gear 41, a magnet or iron core 45 is disposed at the lower end of the vertical arm 42, the electromagnet 43 is mounted in the base 10 and opposite to the magnet or iron core 45, and the electromagnet 43 is connected to the controller 50; and an elastic member 60 for restoring the vertical arm 42 is provided on the base 10, and the elastic member 60 is connected between the base 10 and the vertical arm 42 or between the base 10 and the gear 41. A sliding groove 11 for the left clamping arm 20 and the right clamping arm 30 to slide transversely is arranged in the base 10, a limiting post 12 for limiting the sliding of the left clamping arm 20 and the right clamping arm 30 is arranged in the sliding groove 11, limiting

grooves

22 and 32 are respectively arranged on the left clamping arm 20 and the right clamping arm 30 corresponding to the limiting post 12, and the limiting post 12 is inserted in the

limiting grooves

22 and 32.

It should be noted that the elastic element 60 can be in various forms as follows: the elastic element 60 is a compressed spring, and the compressed spring is abutted between the lower end of the vertical arm 42 and the inner wall of the base 10, specifically, two sides of the lower end of the vertical arm 42 are respectively provided with a connecting column 421, a limiting plate 13 is respectively arranged in the base 10 corresponding to the two connecting columns 421, the total number of the compressed springs is two, and the two compressed springs are respectively abutted between the connecting columns 421 and the limiting plates 13; the magnet or core 45 is located between the two connecting posts 421 and the electromagnet 43 is opposite to the magnet or core 45. The elastic member 60 is a tension spring connected between the upper end of the vertical arm 42 and the inner wall of the top of the base 10. The elastic member 60 is a torsion spring installed between the gear 41 and the inner wall of the base 10, and when the electromagnet 43 is de-energized, the torsion spring drives the gear 41 to rotate reversely and return. The elastic element 60 may be in the form of a rubber band or a spring, in addition to the forms listed above.

In addition, a bottom supporting arm 70 is vertically slidably disposed at the lower end of the base 10, a micro switch 80 for triggering the controller 50 to control the electromagnet 43 to adsorb or release is disposed in the base 10, the micro switch 80 is connected to the controller 50, is located beside the bottom supporting arm 70, and is opened or closed along with the up-and-down sliding of the bottom supporting arm 70 (the form of the switch may be replaced by an inductive switch or a button switch, and the inductive switch or the button switch is connected to the controller); the lower end of the base 10 is provided with a position-limiting post 12 for limiting the sliding of the bottom supporting arm 70, and the bottom supporting arm 70 is provided with a position-limiting groove 71 corresponding to the position-limiting post 12, and the position-limiting post 12 is inserted into the position-limiting groove 71. Besides the micro switch 80, an inductive switch (which may be in the form of touch or infrared, not shown in the figure) or a button switch for triggering the mobile phone stand to open is also disposed on the base 10.

The above embodiment is described by taking the example of the lateral sliding type of the left and right clamp

arms

20 and 30, and other forms such as the Y-shaped distribution of the left and right clamp arms and the bottom support arm 70 can be realized by using the similar principle. The current, voltage, power value, response time (buffer time), etc. of the electromagnet 43 may be preset by programming or other means according to actual needs.

In addition, a wireless charging module 90 and a power supply interface 100 for wirelessly charging the electronic product are disposed on the base 10, and a partition (not shown) is added between the wireless charging module 90 and the electromagnet 43 for separating them in order to avoid mutual interference between the wireless charging module 90 and the electromagnet 43. And a rechargeable battery can be arranged in the bracket to supply power to the wireless charging module 90 and the electromagnet 43, and the power can also be directly supplied by the power supply interface 100.

The working principle of the bracket is as follows: when the mobile phone is not placed in the support, the support is in an open state under the action of the elastic element; after the mobile phone is placed in the support, the microswitch is triggered, the controller receives a signal to control the electromagnet to be electrified, the electromagnet generates an adsorption force on a magnet or an iron core on the vertical arm, so that the vertical arm is pulled downwards (the resistance of an elastic element is overcome), the vertical arm drives the gear to rotate, and the left clamping arm and the right clamping arm are linked and folded along with the vertical arm to clamp the mobile phone; when the mobile phone is taken out, the inductive switch or the button switch is triggered, the controller receives a signal to control the electromagnet to be powered off, the electromagnet loses magnetic force, the vertical arm is reset under the action of the elastic element, the left arm and the right arm are opened along with the vertical arm, and the mobile phone can be taken out.

It should be noted that the magnet or the iron core 45, especially the magnetic force of the magnet is smaller than the driving force of the elastic element 60, that is, the attraction force of the magnet to the electromagnet 43 does not affect the reset of the elastic element 60 after the electromagnet 45 is powered off.

The design of the utility model is characterized in that the combination of the vertical arm, the gear and the linkage structure of the left and right arms realizes the folding and clamping of the left and right clamping arms by adopting the adsorption characteristic of the electromagnet to the magnet or the iron core in the bracket; and the electromagnet or the iron core is loosened by utilizing the power failure of the electromagnet, and the elastic element enables the reset function of each component to realize the opening of the left and right clamping arms. The support is simple in overall structure, convenient and fast to operate, automatic clamping or loosening of the support is achieved, and convenience is provided for users.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a drive formula electromagnetism support from top to bottom which characterized in that: the clamping device comprises a base, a left clamping arm, a right clamping arm, a driving mechanism and a controller, wherein the left clamping arm and the right clamping arm are arranged on the base; the driving mechanism comprises a gear, a vertical arm and an electromagnet controlled by the controller to be powered on and powered off, the gear is pivoted in the base, and the left rack and the right rack are respectively meshed with the gear; the vertical arm can be arranged in the base in a vertically sliding mode, a vertical rack is arranged on the vertical arm, the vertical rack is meshed with the gear, a magnet or an iron core is arranged at the lower end of the vertical arm, and the electromagnet is arranged in the base and is opposite to the magnet or the iron core; and an elastic element used for resetting the vertical arm is arranged on the base and is connected between the base and the vertical arm or between the base and the gear.

2. The up-down driving type electromagnetic stand according to claim 1, characterized in that: the elastic element is a pressure spring which is abutted between the lower end of the vertical arm and the inner wall of the base.

3. The up-down drive type electromagnetic stand according to claim 2, characterized in that: two sides of the lower end of the vertical arm are respectively provided with a connecting column, a limiting plate is respectively arranged in the base corresponding to the two connecting columns, and the two pressure springs are respectively butted between the connecting columns and the limiting plates; the magnet or the iron core is positioned between the two connecting columns, and the electromagnet is opposite to the magnet or the iron core.

4. The up-down driving type electromagnetic stand according to claim 1, characterized in that: the elastic element is a tension spring which is connected between the upper end of the vertical arm and the inner wall of the top of the base.

5. The up-down driving type electromagnetic stand according to claim 1, characterized in that: the elastic element is a torsion spring which is arranged between the gear and the inner wall of the base, and the torsion spring drives the gear to reversely reset after the electromagnet is powered off.

6. The up-down driving type electromagnetic stand according to claim 1, characterized in that: the lower end of the base can be vertically and slidably provided with a bottom supporting arm, a microswitch used for triggering the controller to control the electromagnet to adsorb or loosen is arranged in the base, and the microswitch is connected with the controller, is positioned beside the bottom supporting arm and is opened or closed along with the up-and-down sliding of the bottom supporting arm.

7. The up-down driving type electromagnetic stand according to claim 1, characterized in that: and an inductive switch or a button switch connected with the controller is arranged on the base.

8. The up-down driving type electromagnetic stand according to claim 1, characterized in that: the base is provided with a power supply interface.

9. The up-down driving type electromagnetic stand according to claim 1, characterized in that: the base is provided with a wireless charging module for wirelessly charging the electronic product.