Driving mechanism and new energy vehicle-mounted refrigerator
By designing a driving mechanism including a driver, a drive belt assembly, a drawer and a detector in a new energy vehicle refrigerator, the problem of the door body motion cannot be accurately controlled, the door body motion is achieved, and the need for regular addition of lubricating oil is avoided.
Patent Information
- Application Number
- CN202422301543.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The door movement distance of existing new energy vehicle refrigerators cannot be accurately controlled, and the screw assembly needs to be regularly added to ensure smooth movement, otherwise the door body will not be opened or closed normally.
A driving mechanism is designed, including a driver, a drive belt assembly, a drawer and a detector. The number of rotations of the driver is detected by the detector, and according to the transmission ratio of the transmission belt assembly, the control circuit board converts these rotations into the actual motion distance of the refrigerator door body, thereby achieving precise control of the motion distance of the door body.
It realizes precise control of the movement distance of the door body, avoids the need to add lubricant regularly, and ensures the normal opening and closing of the door body.
Smart Images
Figure CN222946619U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle refrigerators, and in particular to a driving mechanism and a new energy vehicle refrigerator. Background Art
[0002] The door of existing new energy vehicle refrigerators is generally opened or closed by a driving mechanism, which includes a motor and a screw assembly. The motor is connected to the drawer through the screw assembly, and the drawer is connected to the door, so that the motor can drive the door to open or close. However, the actual movement distance of the door when it is opened or closed cannot be accurately controlled. In addition, the screw assembly needs to be lubricated regularly, otherwise there will be problems with smooth movement, which may easily cause the door to fail to open or close normally.
[0003] Therefore, further improvements are necessary. Utility Model Content
[0004] The purpose of the utility model is to provide a driving mechanism and a new energy vehicle refrigerator with simple structure, precise control, smooth movement, stability and reliability, and strong practicality, so as to overcome the shortcomings of the prior art.
[0005] A driving mechanism designed for this purpose is characterized by comprising a driver, a transmission belt assembly, a drawer and a detector for detecting the driver, the driver drivingly connects to the transmission belt assembly, the transmission belt assembly is transmission-connected to the drawer, and the detector and the driver are electrically connected to a control circuit board respectively.
[0006] The detector is arranged outside the driving shaft of the driver, or the detector is arranged on the driving shaft of the driver, or the detector and the driver are integrated.
[0007] The detector is a Hall sensor or an encoder.
[0008] The transmission belt assembly comprises a driving wheel, a transmission belt and a driven wheel. The driver drives and connects the driving wheel. The transmission belt is installed between the driving wheel and the driven wheel. The drawer is installed on the transmission belt.
[0009] A clamping installation block is arranged at the bottom of the drawer, and the drawer is clamped on the transmission belt through the clamping installation block.
[0010] The driver is a motor.
[0011] A new energy vehicle refrigerator designed for this purpose comprises a box body and an inner tank arranged in the box body, and is characterized in that: the driving mechanism is arranged in the box body, the drawer is located inside the inner tank, the transmission belt assembly at least partially extends into the inner tank, and the part of the transmission belt assembly extending into the inner tank is located between the inner tank and the drawer.
[0012] A through hole is provided on one side of the inner container, and at least a portion of the transmission belt assembly extends into the inner container through the through hole.
[0013] A mounting groove is arranged in the box body, and the detector is fixed on the mounting groove by means of fasteners or clamps.
[0014] A door body is arranged at the front side of the box body, and the drawer is cooperatively connected with the door body.
[0015] The driving mechanism of the utility model is provided with a driver, a transmission belt assembly, a drawer and a detector. The detector detects the number of rotations of the driver driving shaft, and according to the transmission ratio of the transmission belt assembly, the control circuit board converts these number of rotations into the actual movement distance of the refrigerator door body, thereby being able to accurately control the actual movement distance of the door body when it is opened or closed. In addition, the transmission belt assembly moves smoothly and has a good transmission effect. There is no need to add lubricating oil regularly for lubrication, thereby ensuring that the door body can be opened or closed normally. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the internal structure of the vehicle refrigerator in the first embodiment of the utility model.
[0017] Figure 2 This is a schematic diagram of the internal structure of a vehicle refrigerator in the second embodiment of the utility model.
[0018] Figure 3 The figure is a schematic diagram of the overall structure of a vehicle refrigerator in one embodiment of the utility model.
[0019] Figure 4 This is a schematic diagram of the internal structure of the vehicle refrigerator in another aspect of the first embodiment of the utility model.
[0020] Figure 5 It is a partial structural schematic diagram of the vehicle refrigerator in the first embodiment of the utility model.
[0021] Figure 6 This is a partial structural schematic diagram of another aspect of the vehicle refrigerator in the first embodiment of the utility model.
[0022] Figure 7 It is a cross-sectional view of the assembly structure of the detector and the mounting base in the first embodiment of the utility model.
[0023] Figure 8 It is a schematic diagram of the assembly structure of the box and the detector in the second embodiment of the utility model.
[0024] Fig. 9 It is a schematic diagram of the exploded structure of the box and the detector in the second embodiment of the utility model. DETAILED DESCRIPTION
[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0026] First embodiment:
[0027] See also Figure 1 , Figure 3-Figure 7 The driving mechanism includes a driver 1, a transmission belt assembly 2, a drawer 3 and a detector 4 for detecting the driver 1. The driver 1 is connected to the transmission belt assembly 2, the transmission belt assembly 2 is connected to the drawer 3, and the detector 4 and the driver 1 are electrically connected to the control circuit board respectively.
[0028] The detector 4 is provided with a mounting hole 15 , and the detector 4 is mounted on the driving shaft 14 of the driver 1 through the mounting hole 15 .
[0029] The detector 4 is a Hall sensor; when the drive shaft 14 rotates, the detector 4 detects the rotation position and speed of the drive shaft 14 and generates a pulse signal, which is fed back to the control circuit board. The control circuit board derives the number of rotations of the drive shaft 14 of the driver 1 based on the pulse signal, and then the control circuit board converts these number of rotations into the actual movement distance of the door body 13 (drawer 3) based on the transmission ratio of the transmission belt assembly 2; the above working principles are all existing technologies and will not be described in detail here.
[0030] The transmission belt assembly 2 includes a driving wheel 5, a transmission belt 6 and a driven wheel 7. The driver 1 drives the driving wheel 5, the transmission belt 6 is installed between the driving wheel 5 and the driven wheel 7, and the drawer 3 is installed on the transmission belt 6; the driver 1 drives the driving wheel 5 to rotate, thereby driving the transmission belt 6 to move, and the transmission belt 6 drives the drawer 3 to move forward and backward in a straight line, thereby driving the door body 13 to open or close.
[0031] A clamping mounting block 8 is provided at the bottom of the drawer 3, and the drawer 3 is clamped on the transmission belt 6 through the clamping mounting block 8. The clamping mounting block 8 includes a first mounting block 16 and a second mounting block 17. The first mounting block 16 is integrally arranged at the bottom of the drawer 3. The first mounting block 16 and the second mounting block 17 are connected by screws to clamp the transmission belt 6.
[0032] Driver 1 is a motor.
[0033] The new energy vehicle refrigerator comprises a box body 9 and an inner tank 10 arranged in the box body 9, a driving mechanism is arranged in the box body 9, a drawer 3 is located inside the inner tank 10, a transmission belt assembly 2 at least partially extends into the inner tank 10, and the part of the transmission belt assembly 2 extending into the inner tank 10 is located between the inner tank 10 and the drawer 3; in this embodiment, a part of the driven wheel 7 and the transmission belt 6 are located inside the inner tank 10 and between the inner tank 10 and the drawer 3, so that the structure of the vehicle refrigerator is more compact.
[0034] A through hole 11 is provided on one side of the inner liner 10 , and the transmission belt assembly 2 (transmission belt 6 ) at least partially extends into the inner liner 10 through the through hole 11 .
[0035] A mounting base 18 is provided in the box body 9, and a mounting groove 12 is provided on the mounting base 18. The detector 4 is fixed to the mounting groove 12 by means of fasteners (screws). Specifically, a fixing column hole 19 is provided at the bottom of the detector 4, and a fixing hole 20 is provided at the bottom of the mounting base 18. The fastener passes through the fixing hole 20 and is fastened to the fixing column hole 19 to fix the detector 4 on the mounting groove 12.
[0036] A door body 13 is provided at the front side of the box body 9, and the drawer 3 is connected with the door body 13. When the door body 13 is closed, the front opening of the inner container 10 is closed, and when the door body 13 is opened, the front opening of the inner container 10 is opened.
[0037] Second embodiment:
[0038] See also Figure 2-Figure 3 , Figure 8-Figure 9 The driving mechanism and the new energy vehicle refrigerator are different from the first embodiment in that:
[0039] The detector 4 is an encoder, and the detector 4 is arranged outside the driving shaft 14 of the driver 1 ; a mounting groove 12 is arranged in the box body 9 , and the detector 4 is fixed on the mounting groove 12 by a buckle 21 .
[0040] The other parts not described are the same as those in the first embodiment and will not be analyzed and described again here.
[0041] Third embodiment:
[0042] The driving mechanism and the new energy vehicle refrigerator are different from the first embodiment in that:
[0043] The detector 4 is integrated with the driver 1. The detector 4 can be integrated on the driver 1 to form an integrated driving unit. By integrating the detector 4 with the driver 1, the manufacturing process can be simplified and the internal space of the body can be saved.
[0044] The other parts not described are the same as those in the first embodiment and will not be analyzed and described again here.
[0045] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A driving mechanism, characterized in that: The invention comprises a driver (1), a transmission belt assembly (2), a drawer (3) and a detector (4) for detecting the driver (1); the driver (1) is drivingly connected to the transmission belt assembly (2); the transmission belt assembly (2) is drivingly connected to the drawer (3); and the detector (4) and the driver (1) are respectively electrically connected to a control circuit board.
2. The driving mechanism according to claim 1, characterized in that: The detector (4) is arranged outside the drive shaft (14) of the driver (1), or the detector (4) is arranged on the drive shaft (14) of the driver (1), or the detector (4) and the driver (1) are integrated.
3. The driving mechanism according to claim 1, characterized in that: The detector (4) is a Hall sensor or an encoder.
4. The driving mechanism according to claim 1, characterized in that: The transmission belt assembly (2) comprises a driving wheel (5), a transmission belt (6) and a driven wheel (7); the driver (1) drives and connects the driving wheel (5); the transmission belt (6) is installed between the driving wheel (5) and the driven wheel (7); and the drawer (3) is installed on the transmission belt (6).
5. The driving mechanism according to claim 4, characterized in that: A clamping mounting block (8) is provided at the bottom of the drawer (3), and the drawer (3) is clamped on the transmission belt (6) through the clamping mounting block (8).
6. The driving mechanism according to claim 1, characterized in that: The driver (1) is a motor.
7. A new energy vehicle refrigerator, comprising a box body (9) and an inner container (10) arranged in the box body (9), characterized in that: A driving mechanism as claimed in any one of claims 1 to 6 is arranged in the box body (9), the drawer (3) is located inside the inner container (10), the transmission belt assembly (2) at least partially extends into the inner container (10), and the portion of the transmission belt assembly (2) extending into the inner container (10) is located between the inner container (10) and the drawer (3).
8. The new energy vehicle refrigerator according to claim 7 is characterized in that: A through hole (11) is provided on one side of the inner liner (10), and at least a portion of the transmission belt assembly (2) extends into the interior of the inner liner (10) through the through hole (11).
9. The new energy vehicle refrigerator according to claim 7, characterized in that: A mounting groove (12) is provided in the box body (9), and the detector (4) is fixed to the mounting groove (12) by means of a fastener or a clamp.
10. The new energy vehicle refrigerator according to claim 7, characterized in that: A door body (13) is provided on the front side of the box body (9), and the drawer (3) is cooperatively connected to the door body (13).