CN216085359U

CN216085359U - Heat dissipation grounding structure for driving system

Info

Publication number: CN216085359U
Application number: CN202122283382.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhuhai Hengsheng Barcode Equipment Co Ltd
Current assignee: Zhuhai Hengsheng Barcode Equipment Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-03-18
Anticipated expiration: 2031-09-18

Abstract

The utility model relates to the technical field of electronic equipment, and provides a heat dissipation grounding structure for a driving system, which comprises: the metal base is provided with a metal grounding sheet which is turned upwards; the motor is connected with the metal grounding sheet, and the tail end of the motor is coated with a heat dissipation paste layer in contact with the metal grounding sheet; and the gear box is arranged on the metal seat, is in transmission connection with the motor and is used for outputting power. Compared with the prior art, the heat dissipation grounding structure is connected with the metal grounding sheet through the heat dissipation paste layer, the heat generated by the motor is rapidly transferred to the metal grounding sheet through the heat dissipation paste layer due to good heat conduction performance of the heat dissipation paste layer, the metal grounding sheet dissipates the heat in the metal seat, the heat dissipation area is enlarged, the effect of rapid heat dissipation is achieved, and the technical problem of poor heat dissipation of the motor is solved.

Description

Heat dissipation grounding structure for driving system

Technical Field

The utility model belongs to the technical field of electronic equipment, and particularly relates to a heat dissipation grounding structure for a driving system.

Background

In some electronic devices, a motor is often used as a driving mechanism to drive the electronic devices. For example, in a thermal transfer printer, a rubber roller and a carbon ribbon roller for printing are arranged in the printer, and a motor is used as a driving part to output power to drive the roller shaft structures to operate. The current electrode is conducted to an aluminum sheet through a heat-conducting silica gel gasket to dissipate heat, the heat dissipation effect is not good, and the motor is easy to overheat.

In addition, because the motor is connected into the circuit, the motor is grounded for protecting the motor, a ground wire is usually arranged on the motor and is used for being connected with the ground wire in the circuit, but the motor easily occupies a wiring space, the ground wire connection process is troublesome, and the motor is easily broken in the disassembly and assembly process to cause damage.

SUMMERY OF THE UTILITY MODEL

An object of an embodiment of the present invention is to provide a heat dissipation grounding structure for a driving system, so as to solve the technical problem of poor heat dissipation of the motor at present, and to ground the motor to protect the motor.

In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided a heat-dissipating ground structure for a driving system, including: the metal base is provided with a metal grounding sheet which is turned upwards; the motor is connected with the metal grounding sheet, and a heat dissipation paste layer in contact with the metal grounding sheet is coated at the tail end of the motor; and the gear box is arranged on the metal seat, is in transmission connection with the motor and is used for outputting power.

The heat dissipation grounding structure for the driving system provided by the utility model at least has the following beneficial effects: compared with the prior art, the heat dissipation grounding structure is connected with the metal grounding sheet through the heat dissipation paste layer, the heat dissipation paste rapidly transfers heat generated by the motor to the metal grounding sheet through good heat conduction performance of the heat dissipation paste, and the metal grounding sheet dissipates the heat in the metal seat, so that the heat dissipation area is enlarged, the effect of rapid heat dissipation is achieved, and the technical problem of poor heat dissipation of the motor is solved; meanwhile, the heat dissipation paste is also used as a grounding bridge between the motor and the metal grounding sheet, so that the motor has a grounding function, and a grounding wire is not required to be additionally arranged.

Optionally, the heat dissipation grounding structure includes two motors, two metal grounding pieces are arranged at two ends of the metal base, and the two motors are respectively installed on the metal grounding pieces at two ends of the metal base.

Optionally, the heat dissipation grounding structure comprises two gear boxes, and the two gear boxes are oppositely arranged on the metal base and connected with the corresponding motors.

Optionally, the gear box comprises an outer housing, the outer housing being detachably connected to the metal holder.

Optionally, the metal grounding plate is turned over upwards by 90 °.

Optionally, the metal base is an aluminum fixed base.

Optionally, a through hole is formed in the metal grounding plate, and the tail end of the motor penetrates through the through hole and is electrically connected with the metal grounding plate.

Optionally, one side of the gear box, which faces the metal grounding plate, is provided with a gear cover, and the motor is fixedly connected with the gear cover.

Optionally, the metal seat is provided with a bearing platform arranged between the gear box and the metal grounding sheet, and the bearing platform abuts against the bottom of the motor.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a heat dissipation grounding structure for a driving system according to an embodiment of the present invention;

fig. 2 is an exploded view of a heat dissipation grounding structure for a driving system according to an embodiment of the present invention;

fig. 3 is a partial enlarged view of a heat dissipation ground structure for a driving system provided in fig. 2 at a.

Wherein, in the figures, the respective reference numerals:

a metal base 100, a metal grounding plate 110, a through hole 111 and a bearing table 120;

motor 200, heat dissipating paste layer 210;

gear case 300, outer housing 310, gear cover 320.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The heat dissipation grounding structure for a driving system according to an embodiment of the present invention will now be described with reference to the accompanying drawings.

Referring to fig. 1 to 3, a heat dissipation grounding structure for a driving system includes a metal base 100, a motor 200, and a gear box 300, wherein the metal base 100 is provided with a metal grounding plate 110 that is turned upwards, the metal base 100 and the metal grounding plate 110 thereof have good conductivity and heat conductivity, the motor 200 is connected to the metal grounding plate 110, a heat dissipation paste layer 210 that contacts the metal grounding plate 110 is coated on a tail end of the motor 200, the heat dissipation paste layer 210 can rapidly transfer heat of the motor 200 to the metal base 100, and the metal base 100 dissipates the heat to an external environment. The rotor of the motor 200 extends out to the tail end of the motor 200, the heat dissipation paste is coated on the motor 200 and contacts with the rotor of the motor 200, so that the rotor is communicated with the metal grounding plate 110, and the motor 200 has a grounding function under the condition that a grounding wire is not needed. In addition, a special grounding end can be further arranged on the motor 200, the heat dissipation paste is coated on the grounding end and is connected with the metal grounding sheet 110, and certainly, the grounding end of the motor 200 can be tightly attached to the metal grounding sheet 110, and the motor 200 can achieve a grounding effect.

The gear box 300 is arranged on the metal base 100 and is in transmission connection with the motor 200, the gear box 300 comprises a gear set consisting of a plurality of gears, a rotor of the motor 200 is connected with the gear set in the gear box 300 and drives the gear set to rotate, and the gear set outputs power to other external components. In addition, the gear box 300 may have another transmission structure, and the power of the motor 200 is output to other components through the gear box 300.

Compared with the prior art, the heat dissipation grounding structure is connected with the metal grounding sheet 110 through the heat dissipation paste layer 210, the heat dissipation paste rapidly transfers heat generated by the motor 200 to the metal grounding sheet 110 through good heat conduction performance of the heat dissipation paste, the metal grounding sheet 110 dissipates the heat into the metal base 100, the heat dissipation area is enlarged, the effect of rapid heat dissipation is achieved, and the technical problem of poor heat dissipation of the motor 200 is solved; meanwhile, the heat dissipation paste also serves as a grounding bridge between the motor 200 and the metal grounding plate 110, so that the motor 200 has a grounding function, and a grounding wire does not need to be additionally arranged.

In an embodiment of the present invention, the heat dissipation grounding structure includes two motors 200, two metal grounding plates 110 are disposed at two ends of the metal base 100, and the two motors 200 are respectively mounted on the grounding plates at two ends of the metal base 100. The two motors 200 radiate heat to the metal base 100 through the radiating paste, the metal base 100 uniformly radiates the heat, the radiating effect is good, and the radiating effect of the two motors 200 can be simultaneously met. In the thermal transfer printer, one motor 200 is a rubber roller motor 200 for driving the rubber roller to rotate, and the other motor 200 is a thermal transfer ribbon motor 200 for driving the thermal transfer ribbon to rotate.

In addition, the motors 200 can be arranged in two or more than two according to needs, the metal base 100 can perform unified heat dissipation, the heat dissipation requirements of the motors 200 are met, and the overall heat dissipation performance of the heat dissipation grounding structure is improved.

Further, the heat dissipation grounding structure includes two gear boxes 300, the two gear boxes 300 are oppositely disposed on the metal base 100 and connected with the corresponding motors 200, and each motor 200 outputs power through the gear box 300. When the number of the motors 200 is other, the gear box 300 can be set to a corresponding number according to the needs of the motors 200, so as to meet the power output requirements of the motors 200.

Specifically, the gearbox 300 includes an outer housing 310, and the outer housing 310 is detachably connected to the metal base 100, so that the gearbox 300 can be detached from the metal base 100 for maintenance and repair. In this embodiment, the outer housing 310 is installed on the metal base 100 by means of screw connection, and the connection is stable, and the outer housing 310 may be fixed on the metal base 100 by means of other detachable connection methods, so as to achieve the detachable function of the gear box 300.

In another embodiment of the present invention, the metal grounding plate 110 is folded upwards at 90 ° to adapt to the installation position of the motor 200, so that the structural reliability between the metal grounding plate 110 and the motor 200 can be improved.

In another embodiment of the present invention, the metal base 100 is an aluminum fixing base, and aluminum has good thermal conductivity and electrical conductivity, so as to achieve grounding and rapid heat dissipation of the motor 200. The metal base 100 may also be made of other metal structures such as iron, copper, etc., and still fall within the scope of the present invention.

In another embodiment of the present invention, a through hole 111 is formed on the metal grounding plate 110, and the tail end of the motor 200 passes through the through hole 111 and is electrically connected to the metal grounding plate 110. The tail end of the motor 200 is provided with a boss for accommodating the protruding part of the rotor, and the boss penetrates through the through hole 111 and is positioned and fixed on the metal grounding plate 110 by the through hole 111, so that the motor 200 is positioned and connected with the metal grounding plate 110.

In another embodiment of the present invention, a gear cover 320 is disposed on a side of the gear case 300 facing the metal grounding plate 110, the gear cover 320 is detachably connected to the outer case 310 of the gear case 300 by means of screw connection or the like, the outer case of the motor 200 is detachably and fixedly connected to the gear cover 320 and is thus fixed to the gear case 300, and a driving shaft extending from a rotor of the motor 200 is engaged with a gear set in the gear case 300 to transmit power, thereby improving the overall structural stability.

In another embodiment of the present invention, the metal base 100 has a carrier 120 disposed between the gear box 300 and the metal grounding plate 110, and the carrier 120 abuts against the bottom of the motor 200. The bearing table 120 can bear the gravity of the motor 200, so that the motor 200 is prevented from being arranged on the metal base 100 in an overhead manner, the motor 200 can be protected, and the overall compactness of the heat dissipation grounding structure is enhanced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A heat dissipating ground structure for a drive system, comprising:

the metal base is provided with a metal grounding sheet which is turned upwards;

the motor is connected with the metal grounding sheet, and a heat dissipation paste layer in contact with the metal grounding sheet is coated at the tail end of the motor;

and the gear box is arranged on the metal seat, is in transmission connection with the motor and is used for outputting power.

2. The heat dissipating grounding structure for a driving system as set forth in claim 1, wherein the heat dissipating grounding structure comprises two of the motors, two of the metal grounding pieces are provided at both ends of the metal base, and the two motors are respectively mounted on the metal grounding pieces at both ends of the metal base.

3. A heat dissipating ground structure for a drive system according to claim 2, wherein said heat dissipating ground structure includes two gear boxes oppositely disposed on said metal base and connected to respective said motors.

4. A heat dissipating ground structure for a drive system as set forth in claim 1, wherein said gear box includes an outer housing removably attached to said metal mount.

5. The heat dissipating grounding structure for a drive system as set forth in claim 4, wherein the metal grounding plate is folded upward by 90 °.

6. A heat dissipating ground structure for a drive system as set forth in claim 1, wherein said metal base is an aluminum fixing base.

7. The heat dissipating grounding structure for a driving system as set forth in claim 1, wherein the metal grounding plate is provided with a through hole, and the tail end of the motor passes through the through hole and is electrically connected to the metal grounding plate.

8. The heat dissipating grounding structure for a drive system as set forth in claim 1, wherein a gear cover is provided on a side of the gear case facing the metal grounding plate, and the motor is fixedly connected to the gear cover.

9. The heat dissipating grounding structure for a drive system of claim 1, wherein the metal base has a load-bearing platform thereon between the gear box and the metal grounding plate, the load-bearing platform abutting against a bottom of the motor.