Driving box and parking space lock

Abstract

A driving box and a parking lock relate to the technical field of parking management and control, a waterproof box, a driving device and a sealing waterproof device are arranged, a containing cavity is arranged in the waterproof box, and a shaft hole penetrating through the side wall of the waterproof box and directly leading to the containing cavity is formed in one side wall of the waterproof box; the driving device is arranged in the containing cavity and comprises a driving shaft penetrating out of the waterproof box through a shaft hole, a first bearing is arranged in the shaft hole, and the driving shaft is rotationally connected with the first bearing; the sealing waterproof device comprises a first waterproof assembly and a second waterproof assembly, the first waterproof assembly and the second waterproof assembly are arranged in the shaft hole and used for preventing fluid from entering the containing cavity through the shaft hole, and the first waterproof assembly and / or the second waterproof assembly are / is arranged on the side, away from the containing cavity, of the first bearing. According to the waterproof box, the transmission part and the electric control part which need to be waterproof are arranged in the containing cavity, a multi-layer waterproof barrier is formed through combination of the first waterproof assembly and the second waterproof assembly, and therefore the sealing performance of the shaft hole of the waterproof box is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of parking control, and in particular to a drive box and a position lock. Background Art

[0002] In order to effectively manage and rationally utilize parking space resources, parking locks came into being.

[0003] The main function of a parking lock is to lock or unlock a parking space mechanically or electronically, restricting or allowing parking for specific vehicles. It not only prevents others from illegally occupying private parking spaces and protects the legitimate rights and interests of car owners, but also alleviates parking difficulties to a certain extent and improves parking space turnover and utilization efficiency.

[0004] When the parking locks currently on the market encounter rainy weather, rain or water vapor can easily enter the interior of the parking locks, causing damage to electrical components and shortening the service life of the parking locks. Utility Model Content

[0005] The purpose of the present invention is to address the defects and shortcomings of the existing technology and provide a parking lock that significantly improves the sealing performance of the waterproof box through a multi-layer waterproof barrier.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] Construct a parking lock top cover, comprising:

[0008] A waterproof box, wherein a receiving chamber is provided in the waterproof box, and a side wall of the waterproof box is provided with an axial hole penetrating through the side wall of the waterproof box and directly connected to the receiving chamber;

[0009] A driving device is disposed in the accommodating chamber, the driving device comprising a driving shaft extending through a shaft hole to the outside of the waterproof box, a first bearing being disposed in the shaft hole, the driving shaft being rotatably connected to the first bearing;

[0010] A sealing and waterproof device includes a first waterproof component and a second waterproof component arranged in the shaft hole to prevent fluid from entering the accommodating chamber through the shaft hole, and the first waterproof component and / or the second waterproof component are arranged on the side of the first bearing away from the accommodating chamber.

[0011] Optionally, the first waterproof component includes a first circular step groove arranged on the hole wall of the shaft hole, and a first sealing ring abutting against the first circular step groove; the second waterproof component includes a second circular step groove arranged on the hole wall of the shaft hole, and a second sealing ring abutting against the second circular step groove.

[0012] Optionally, the first bearing is arranged between the first waterproof component and the second waterproof component, a third circular step groove is arranged between the first circular step groove and the second circular step groove, the first bearing is abutted against the third circular step groove, the diameter of the first circular step groove is larger than the diameter of the third circular step groove, and the diameter of the third circular step groove is larger than the diameter of the second circular step groove.

[0013] Optionally, a fourth circular step groove is provided on the hole wall of the shaft hole, and the fourth circular step groove is provided at one end of the second circular step groove away from the third circular step groove. A shaft-side circular step groove facing the fourth circular step groove is provided on the outer peripheral side of the driving shaft, and a second bearing is provided between the fourth circular step groove and the shaft-side circular step groove. The fourth circular step groove contacts the outer ring of the second bearing, and the shaft-side circular step groove contacts the inner ring of the second bearing.

[0014] Optionally, the waterproof box includes a box body and a waterproof cover assembly that is detachably arranged above the top of the box body. A first waterproof groove is provided on the top of the box body, a waterproof sealing strip is provided in the first waterproof groove, and the waterproof cover assembly abuts against the waterproof sealing strip.

[0015] Optionally, a second waterproof groove is provided at the bottom of the first waterproof groove and the bottom of the waterproof cover assembly, and the top and bottom of the waterproof sealing strip are provided with waterproof protrusions abutting against the second waterproof groove.

[0016] Optionally, the top of the inner groove wall of the first waterproof groove close to the accommodating chamber is higher than the top of the outer groove wall away from the accommodating chamber;

[0017] The waterproof cover assembly is provided with a waterproof groove on one side close to the accommodating chamber, which cooperates with and accommodates the inner groove wall.

[0018] Optionally, drive the mainboard;

[0019] The accommodating chamber includes an upper accommodating chamber for accommodating the driving mainboard and a lower accommodating chamber for accommodating the driving device;

[0020] The upper accommodating chamber and the lower accommodating chamber are distinguished by a positioning protrusion supporting the driving mainboard.

[0021] Optionally, one side wall of the waterproof box is provided with at least one threading hole which passes through the side wall of the waterproof box and directly reaches the accommodating chamber, and at least one waterproof connector is embedded in the threading hole.

[0022] Construct a parking lock, comprising:

[0023] Parking lock base plate, parking lock housing and swing arm, and drive box;

[0024] A mounting seat is provided on the bottom plate of the parking lock, and the mounting seat is used to fix the drive box;

[0025] The driving shaft of the driving box is connected to the swing arm, and the driving shaft drives the swing arm to move.

[0026] After adopting the above technical solution, the beneficial effects of the utility model are:

[0027] 1. The utility model is provided with a waterproof box, a driving device and a sealing waterproof device. A accommodating chamber is provided in the waterproof box, and an axial hole is provided on one side wall of the waterproof box that passes through the side wall of the waterproof box and directly reaches the accommodating chamber; the driving device is provided in the accommodating chamber, and the driving device includes a driving shaft that passes through the axial hole to the outside of the waterproof box, and a first bearing is provided in the axial hole, and the driving shaft is rotatably connected to the first bearing; the sealing waterproof device includes a first waterproof component and a second waterproof component that are provided in the axial hole to prevent fluid from entering the accommodating chamber through the axial hole. When using the utility model, the transmission components and electronic control components that need to be waterproof are provided in the accommodating chamber. A multi-layered waterproof barrier is formed by the combination of the first waterproof component and the second waterproof component, thereby significantly improving the sealing performance of the axial hole of the waterproof box, effectively preventing fluid (such as water, oil, dust, etc.) from penetrating into the accommodating chamber through the axial hole, and protecting the internal driving device and other components from damage. Even if one of the waterproof components is slightly worn or aged, the other waterproof component can still maintain the sealing effect to prevent fluid from penetrating;

[0028] 2. By arranging the first waterproof component and / or the second waterproof component on the side of the first bearing away from the accommodating chamber, it is possible to ensure that the bearing works in a stable environment and avoids direct erosion by the external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0030] Figure 1 This is an exploded schematic diagram of the overall structure of the utility model;

[0031] Figure 2 This is an axonometric diagram of the overall structure of the utility model;

[0032] Figure 3 This utility model is along Figure 2Schematic diagram of the cross section taken along the midline BB;

[0033] Figure 4 The utility model is a rear edge of the disassembly part structure Figure 2 Schematic diagram of the cross section taken along the midline BB;

[0034] Figure 5 This utility model is along Figure 2 Schematic diagram of the cross section taken along line AA;

[0035] Figure 6 It is an axonometric diagram of the waterproof box and the base plate of the utility model;

[0036] Description of reference numerals:

[0037] 100, waterproof box; 110, accommodating chamber; 120, shaft hole; 130, first bearing; 140, third circular step groove; 150, fourth circular step groove; 160, second bearing; 170, box body; 171, first waterproof groove; 172, waterproof sealing strip; 173, second waterproof groove; 174, waterproof protrusion; 175, first connecting hole; 176, connecting column; 177, waterproof joint; 179, assembly eaves; 180, waterproof cover assembly; 182, first connecting through hole; 183, waterproof groove; 190, detachable mounting member;

[0038] 200, driving device; 210, driving shaft; 211, circular step groove on the shaft side;

[0039] 311, first circular step groove; 312, first sealing ring; 321, second circular step groove; 322, second sealing ring;

[0040] 400, base plate; 410, mounting base. DETAILED DESCRIPTION

[0041] The present invention will be described in further detail below with reference to the accompanying drawings.

[0042] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

[0043] This embodiment relates to a drive box and a parking lock, such as Figures 1-6As shown, it comprises: a waterproof box 100, a driving device 200 and a sealing waterproof device, wherein a receiving chamber 110 is provided in the waterproof box 100, and a side wall of the waterproof box 100 is provided with an axial hole 120 that passes through the side wall of the waterproof box (100) and directly passes through the receiving chamber (110); the driving device 200 is provided in the receiving chamber 110, and the driving device 200 includes a driving shaft 210 that passes through the axial hole 120 to the outside of the waterproof box 100, and a first bearing 130 is provided in the axial hole 120. 10 is rotatably connected to the first bearing 130; the sealing and waterproof device includes a first waterproof component and a second waterproof component arranged in the shaft hole 120 for preventing the fluid from entering the accommodating chamber 110 through the shaft hole 120, and the first waterproof component and / or the second waterproof component are arranged on the side of the first bearing 130 away from the accommodating chamber 110, wherein the accommodating chamber 110 is formed by the box body 170 and the waterproof cover component 180 arranged on the top of the box body 170. The driving device 200 is a motor. A bearing 130 is a ball bearing. Furthermore, when using the present invention, the transmission components and electronic control components that need to be waterproof are assembled in the accommodating chamber 110. Through the combination of the first waterproof component and the second waterproof component, a multi-layered waterproof barrier is formed, thereby significantly improving the sealing performance at the shaft hole 120 of the waterproof box 100, effectively preventing fluids (such as water, oil, dust, etc.) from penetrating into the accommodating chamber 110 through the shaft hole 120, protecting the internal drive device 200 and other components from damage, and even if one of the waterproof components is worn or aged, the other waterproof component can still maintain the sealing effect to prevent fluid from penetrating. By arranging the first waterproof component and / or the second waterproof component on the side of the first bearing 130 away from the accommodating chamber 110, it can be ensured that the bearing works in a stable environment and avoids direct erosion by the external environment, thereby improving the stability and reliability of the entire drive device 200 and the waterproof box 100 system, and reducing the risk of failure caused by environmental factors.

[0044] For further information, see Figure 1-Figure 5 The first waterproof component includes a first circular step groove 311 arranged on the hole wall of the shaft hole 120, and a first sealing ring 312 resting on the first circular step groove 311. The second waterproof component includes a second circular step groove 321 arranged on the hole wall of the shaft hole 120, and a second sealing ring 322 resting on the second circular step groove 321. Optionally, the first sealing ring 312 and the second sealing ring 322 are both lip sealing rings. The outer peripheral wall and end of the first sealing ring 312 can fit tightly against the first circular step groove 311 and the hole wall of the shaft hole 120, and the outer peripheral wall and end of the second sealing ring 322 can fit tightly against the second circular step groove 321 and the hole wall of the shaft hole 120 to form a reliable sealing barrier. When the active shaft 210 passes through the shaft hole 120, the inner peripheral wall of the sealing ring will be pressed against the outer wall of the active shaft 210 to ensure the sealing effect.

[0045] In this embodiment, see Figure 1 、 Figure 3-Figure 4 , the first bearing 130 is arranged between the first waterproof component and the second waterproof component, and the third circular step groove 140 is arranged between the first circular step groove 311 and the second circular step groove 321. The first bearing 130 is arranged on the third circular step groove 140. The diameter of the first circular step groove 311 is greater than the diameter of the third circular step groove 140. The diameter of the third circular step groove 140 is greater than the diameter of the second circular step groove 321. It can be understood that the first circular step groove 311, the third circular step groove 310 and the third circular step groove 310 are arranged in sequence from the outside to the inside of the shaft hole 120. The circular step groove 140 and the second circular step groove 321, where from outside to inside refers to the direction from the outer wall of the waterproof box 100 to the inner wall of the waterproof box 100, the diameter of the first circular step groove 311 is greater than the diameter of the third circular step groove 140, and the diameter of the third circular step groove 140 is greater than the diameter of the second circular step groove 321, which facilitates the processing of the first circular step groove 311, the second circular step groove 321 and the third circular step groove 140 and the assembly of the first sealing ring 312, the second sealing ring 322 and the first bearing 130.

[0046] In this embodiment, see Figure 1 、 Figure 3-Figure 4 , a fourth circular step groove 150 is provided on the hole wall of the shaft hole 120, and the fourth circular step groove 150 is provided at one end of the second circular step groove 321 away from the third circular step groove 140. A shaft-side circular step groove 211 facing the fourth circular step groove 150 is provided on the outer peripheral side of the driving shaft 210. A second bearing 160 is provided between the fourth circular step groove 150 and the shaft-side circular step groove 211. The fourth circular step groove 150 contacts the outer ring of the second bearing 160, and the shaft-side circular step groove 211 contacts the inner ring of the second bearing 160. It can be understood that the first circular step groove 311, the third circular step groove 140, and the second circular step groove are sequentially provided in the shaft hole 120 from the outside to the inside. 321. The fourth circular step groove 150, where the direction from outside to inside refers to the direction from the outer wall of the waterproof box 100 to the inner wall of the waterproof box 100. Specifically, the setting of the second bearing 160 provides an additional support point for the active shaft 210. The cooperation of the first bearing 130 and the second bearing 160 helps to reduce the vibration and offset of the shaft during rotation, and improve the rotation accuracy and stability. The precise cooperation of the fourth circular step groove 150 and the shaft-side circular step groove 211 ensures the accurate positioning of the second bearing 160. The first bearing 130 is set between the first waterproof component and the second waterproof component, so that the first bearing 130 and the second bearing 160 can be evenly distributed in the shaft hole and rotatably connected to the active shaft.

[0047] In this embodiment, see Figure 1-Figure 5The waterproof box 100 includes a box body 170 and a waterproof cover assembly 180 detachably arranged on the top of the box body 170. A first waterproof groove 171 is provided on the top of the box body 170. A waterproof sealing strip 172 is provided in the first waterproof groove 171. The waterproof cover assembly 180 abuts against the waterproof sealing strip 172. Optionally, the box body 170 is formed by connecting a lower plate and a side wall provided on the top of the lower plate. The first waterproof groove 171 is provided on the top of the side wall of the box body 170, and the end of the first waterproof groove 171 is connected. By providing the first waterproof sealing strip 172 in the first waterproof groove 171, a waterproof seal is formed. Waterproof barrier, the waterproof cover assembly 180 is covered on the top of the side wall of the box body 170, the bottom of the waterproof cover assembly 180 is in contact with the top of the waterproof sealing strip 172, and a downward pressure is applied to the waterproof sealing strip 172, so that the waterproof sealing strip 172 is fastened in the first waterproof groove 171, which can further enhance the waterproof effect and effectively prevent moisture or other liquids from penetrating into the waterproof box 100. Optionally, the first waterproof sealing strip 172 is usually made of a material with good elasticity and sealing performance, and can fit tightly between the first waterproof groove 171 and the waterproof cover assembly 180 to form a reliable sealing effect.

[0048] In this embodiment, see Figure 1-Figure 5 A second waterproof groove 173 is provided at the bottom of the first waterproof groove 171 and the bottom of the waterproof cover assembly 180, and a waterproof protrusion 174 is provided at the top and bottom of the waterproof sealing strip 172, which abuts against the second waterproof groove 173. Optionally, the waterproof protrusion 174 is integrally formed with the waterproof sealing strip 172. By respectively arranging the waterproof sealing strip 172 and the waterproof protrusion 174 in the first waterproof groove 171 and the second waterproof groove 173, a multiple waterproof barrier is formed, which effectively prevents moisture or other liquids from penetrating into the interior of the waterproof box 100 from multiple directions. Furthermore, the waterproof protrusion 174 also increases the friction between the sealing strip and the groove body, which helps to maintain the stable position of the sealing strip.

[0049] In this embodiment, the top of the inner groove wall of the first waterproof groove 171 close to the accommodating chamber 110 is higher than the top of the outer groove wall on the side away from the accommodating chamber 110; the waterproof cover assembly 180 is close to the accommodating chamber 110 and is provided with a waterproof groove 183 that cooperates with the accommodating inner groove wall. Furthermore, the waterproof cover assembly 180 is close to the accommodating chamber 110 and is provided with a waterproof groove 183 that cooperates with the accommodating inner groove wall to enhance the waterproof performance of the first waterproof groove 171. During the covering process, the waterproof cover assembly 180 can be more accurately positioned and tightly embedded in the first waterproof groove 171, thereby improving the sealing effect.

[0050] In this embodiment, it includes a driving main board; the accommodating chamber 110 includes an upper accommodating chamber for accommodating the driving main board and a lower accommodating chamber for accommodating the driving device 200; the upper accommodating chamber and the lower accommodating chamber are distinguished by a positioning protrusion supporting the driving main board, and the driving main board and the driving device 200 are placed in the upper and lower accommodating chambers respectively, so that the internal structure of the entire driving box is clearer, which is conducive to reasonable space planning and the driving main board can be waterproofed by a waterproof cover assembly. At the same time, placing the main board on the driving assembly can reduce the probability of the driving main board contacting water, preventing moisture from affecting the driving main board.

[0051] In this embodiment, a side wall of the waterproof box 100 is provided with at least one wire threading hole that passes through the side wall of the waterproof box 100 and directly reaches the accommodating chamber 110. At least one waterproof connector 177 is embedded in the wire threading hole. Furthermore, the waterproof connector 177 can be electrically connected to the electrical control components in the accommodating chamber 110. The waterproof connector 177 and the wire threading hole are fixed by precise interlocking, which ensures the stability and reliability of the connection and reduces the risk of water leakage due to loosening or falling off. Optionally, the functions of the wire threading hole include but are not limited to through holes for wires, through holes for cooling water pipes, through holes for antennas, and overflow holes for antenna signals. For example, the existence of the wire threading hole enables cables and signal lines to pass through the side wall of the waterproof box and enter the interior of the accommodating chamber 110 to be connected with components such as the drive device and the drive mainboard.

[0052] The utility model relates to a parking lock, comprising a parking lock base plate 400, a parking lock housing and a swing arm, and a drive box; a mounting seat 410 is provided on the parking lock base plate 400, and the mounting seat 410 is used to fix the drive box; a driving shaft 210 of the drive box is connected to the swing arm, and the driving shaft 210 drives the swing arm to move.

[0053] In this embodiment, see Figure 1-Figure 5The side wall of the box body is provided with an assembly eave 190, and the top of the assembly eave 190 is provided with a first connecting hole 175. The waterproof cover assembly 180 is provided with a first connecting through hole 182 that runs through the top and bottom thereof. A connecting column 176 is penetrated in the first connecting through hole 182 and the second connecting hole. The connecting column 176 is used to cooperate with the first connecting through hole 182 and the second connecting hole to connect the waterproof cover assembly 180 to the box body 170, wherein the connecting hole is a threaded hole, and the connecting column 176 is a bolt. The waterproof cover assembly is screwed together by screwing the bolt into the threaded hole. 180 is pressed onto the top of the box body 170. In some embodiments, the first connecting through hole 182 is a threaded through hole, the second connecting hole is a threaded hole, and the connecting column 176 is a bolt. The bolt is threadedly matched with the threaded through hole and the threaded hole to press the waterproof cover assembly 180 onto the top of the box body 170. In some embodiments, the connecting column 176 includes a bolt and a nut. The bolt is passed through the first connecting through hole 182 and the second connecting hole, and then the nut is threadedly connected to the tail end of the bolt to press the waterproof cover assembly 180 onto the top of the box body 170.

[0054] Including base plate 400, see Figure 5-Figure 6 A mounting seat 410 is provided on the top of the base plate 400, and a detachable mounting member 190 is provided on the outer wall of the box body 170. The detachable mounting member 190 cooperates with the mounting seat 410 to detachably mount the box body 170 on the top of the base plate 400. Optionally, the mounting seat 410 is a threaded connection seat. The detachable connection member includes a mounting block provided on the side wall of the box body 170, and a bolt. A through hole is provided on the mounting block. The bolt passes through the through hole and is threadedly connected to the threaded connection seat so that the box body 170 can be detachably mounted on the base plate 400.

[0055] The above is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A parking lock drive box, characterized in that: include: A waterproof box (100), wherein a receiving chamber (110) is provided in the waterproof box (100), and a side wall of the waterproof box (100) is provided with an axial hole (120) penetrating the side wall of the waterproof box (100) and directly connected to the receiving chamber (110); A driving device (200), the driving device (200) being arranged in the accommodating chamber (110), and the driving device (200) comprising a driving shaft (210) passing through an axial hole (120) to the outside of the waterproof box (100), a first bearing (130) being arranged in the axial hole (120), and the driving shaft (210) being rotatably connected to the first bearing (130); A sealing and waterproof device, comprising a first waterproof component and a second waterproof component arranged in the shaft hole (120) for preventing fluid from entering the accommodating chamber (110) through the shaft hole (120), wherein the first waterproof component and / or the second waterproof component are arranged on a side of the first bearing (130) away from the accommodating chamber (110).

2. The drive box according to claim 1, wherein: The first waterproof component comprises a first circular step groove (311) provided on the hole wall of the shaft hole (120), and a first sealing ring (312) abutting against the first circular step groove (311); the second waterproof component comprises a second circular step groove (321) provided on the hole wall of the shaft hole (120), and a second sealing ring (322) abutting against the second circular step groove (321).

3. The drive box according to claim 2, characterized in that: The first bearing (130) is arranged between the first waterproof component and the second waterproof component, a third circular step groove (140) is arranged between the first circular step groove (311) and the second circular step groove (321), the first bearing (130) is abutted against the third circular step groove (140), the diameter of the first circular step groove (311) is larger than the diameter of the third circular step groove (140), and the diameter of the third circular step groove (140) is larger than the diameter of the second circular step groove (321).

4. The drive box according to claim 3, characterized in that: A fourth circular step groove (150) is provided on the hole wall of the shaft hole (120), and the fourth circular step groove (150) is provided at one end of the second circular step groove (321) away from the third circular step groove (140). A shaft-side circular step groove (211) facing the fourth circular step groove (150) is provided on the outer peripheral side of the driving shaft (210). A second bearing (160) is provided between the fourth circular step groove (150) and the shaft-side circular step groove (211). The fourth circular step groove (150) contacts the outer ring of the second bearing (160), and the shaft-side circular step groove (211) contacts the inner ring of the second bearing (160).

5. The drive box according to claim 1, wherein: The waterproof box (100) comprises a box body (170) and a waterproof cover assembly (180) detachably arranged above the top of the box body (170); a first waterproof groove (171) is arranged on the top of the box body (170); a waterproof sealing strip (172) is arranged in the first waterproof groove (171); and the waterproof cover assembly (180) abuts against the waterproof sealing strip (172).

6. The drive box according to claim 5, characterized in that: A second waterproof groove (173) is provided at the bottom of the first waterproof groove (171) and the bottom of the waterproof cover assembly (180), and a waterproof protrusion (174) abutting against the second waterproof groove (173) is provided at the top and bottom of the waterproof sealing strip (172).

7. The drive box according to claim 5, characterized in that: The top of the inner groove wall of the first waterproof groove (171) on the side close to the accommodating chamber (110) is higher than the top of the outer groove wall on the side away from the accommodating chamber (110); The waterproof cover assembly (180) is provided with a waterproof groove (183) on one side close to the accommodating chamber (110) for accommodating the inner groove wall.

8. The drive box according to any one of claims 1 to 7, characterized in that: Also includes: Driver motherboard; The accommodating chamber (110) comprises an upper accommodating chamber for accommodating the driving mainboard and a lower accommodating chamber for accommodating the driving device (200); The upper accommodating chamber and the lower accommodating chamber are distinguished by a positioning protrusion supporting the driving mainboard.

9. The drive box according to claim 8, characterized in that: A side wall of the waterproof box (100) is provided with at least one threading hole that passes through the side wall of the waterproof box (100) and directly reaches the accommodating chamber (110), and at least one waterproof joint (177) is embedded in the threading hole.

10. A parking lock, characterized in that: include: A parking lock base plate (400), a parking lock housing and a swing arm, and a drive box according to any one of claims 1 to 9; A mounting seat (410) is provided on the parking lock base plate (400), and the mounting seat (410) is used to fix the drive box; The driving shaft (210) of the driving box is connected to the swing arm, and the driving shaft (210) drives the swing arm to move.

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