Vehicle-mounted radar radio frequency module with waterproof sealing structure

Abstract

The utility model relates to the technical field of vehicle-mounted radars, in particular to a vehicle-mounted radar radio frequency module with a waterproof sealing structure, which comprises a lower shell, the top end of the lower shell is butted with an upper shell, and the inner wall of the lower shell and the inner wall of the upper shell are respectively provided with a mounting seat matched with the radio frequency module through machining. The inner wall of the mounting base is slidably connected with a clamping mechanism, and the outer wall of the lower shell is in threaded connection with a sealing mechanism and penetrates through the lower shell to the interior of the upper shell. According to the utility model, the position of the radio frequency module in the mounting seat can be fixed through the mutual cooperation of the internal parts of the clamping mechanism, manual adjustment and fixation by workers are not needed, the mounting and replacement efficiency of the radio frequency module is improved, and the installation and replacement efficiency of the radio frequency module is improved through the mutual cooperation of the internal parts of the sealing mechanism. Therefore, connection and fixation between the upper shell and the lower shell can be completed, the sealing performance of the upper shell and the lower shell is improved, and water vapor is prevented from entering the upper shell and the lower shell to erode the radio frequency module.

Description

Technical Field

[0001] This utility model relates to the field of vehicle radar technology, specifically to a vehicle radar radio frequency module with a waterproof and sealed structure. Background Technology

[0002] Vehicle radar is a safety aid device for parking or reversing a car. It can inform the driver of the surrounding obstacles with sound or a more intuitive display, eliminating the trouble caused by the driver having to look around when parking, reversing, and starting the vehicle, and helping the driver to eliminate the drawbacks of blind spots and blurred vision.

[0003] A search revealed a utility model patent with publication number CN219936094U, which discloses a vehicle-mounted radar radio frequency module and a vehicle-mounted radar. The module includes a housing, a radio frequency module, and a fixing device. The housing comprises a lower housing and an upper housing. The lower housing has an open receiving cavity, and the upper housing covers the opening. A guide groove is formed around the opening on the lower housing, and the guide groove is angled to the side wall of the lower housing. A water-blocking protrusion is formed on the periphery of the lower bottom surface of the upper housing, and a sealing element is provided on the inner side wall of the water-blocking protrusion. The radio frequency module is located in the receiving cavity. The fixing device is located on the housing to fix the radio frequency module. In this utility model, by setting up an upper and lower housing and providing a guide groove at the junction of the upper and lower housings to guide water outflow, the overall waterproof sealing performance of the device is improved, while also facilitating the replacement and disassembly of internal components.

[0004] Although the aforementioned patent improves the overall waterproof sealing performance of the device by setting up an upper and lower shell and providing a guide groove at the joint of the upper and lower shells to guide water outflow, and facilitates the replacement and disassembly of internal components, the device still requires manual adjustment and fixation of the vehicle radar RF module inside the shell, which reduces the efficiency of installing and replacing the vehicle radar RF module inside the shell.

[0005] Therefore, it is necessary to propose an on-board radar radio frequency module with a waterproof and sealed structure to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a vehicle-mounted radar RF module with a waterproof and sealed structure. Through the cooperation of the internal parts of the clamping mechanism, the RF module can be fixed in position within the mounting base without manual adjustment, thus improving the efficiency of RF module installation and replacement. The cooperation of the internal parts of the sealing mechanism also completes the connection and fixation between the upper and lower housings, improving their sealing performance and preventing moisture from entering and corroding the RF module. This solves the problem in existing technologies where the vehicle-mounted radar RF module is installed and fixed within the housing using adjusting rods and fasteners, but manual adjustment is still required, reducing the efficiency of installation and replacement.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a vehicle-mounted radar radio frequency module with a waterproof and sealed structure, including a lower housing, an upper housing being connected to the top of the lower housing, and mounting seats matching the radio frequency module being machined on the inner walls of both the lower housing and the upper housing. A clamping mechanism is slidably connected to the inner wall of the mounting seat and clamps and fits against the outer wall of the radio frequency module. A sealing mechanism is threadedly connected to the outer wall of the lower housing and extends through the lower housing to the interior of the upper housing.

[0008] The clamping mechanism includes multiple connecting rods that are slidably connected to both sides of the inner wall of the mounting base and extend into the interior of the mounting base. An arc-shaped clamping blade is machined on the side of the connecting rod away from the mounting base and fits against the outer wall of the RF module. A limiting plate is machined at the top of the connecting rod and slidably connected to the interior of the mounting base. A connecting spring connects the limiting plate to the mounting base. A lower extrusion block is connected to the bottom end of the upper housing and extends into the interior of the mounting base. A support rod is machined at the top of the lower extrusion block, and an upper extrusion block is machined at the top of the support rod and slidably connected to the interior of the mounting base, located at the bottom end of the connecting rod. A support spring is sleeved on the outer wall of the support rod and located between the mounting base and the top of the lower extrusion block.

[0009] The sealing mechanism includes a fixing bolt, which is threaded around the outer wall of the lower housing and extends through the lower housing to the interior of the upper housing. A mating ring is machined around the bottom of the upper housing and extends through the interior of the lower housing. A connecting ring is machined at the bottom of the upper housing, located on the outer wall of the mating ring, and extends through the interior of the lower housing to engage with the outer wall of the fixing bolt. A sealing ring is mechanically connected between the inner wall of the lower housing and the outer wall of the mating ring. Multiple oil-based sealing rings are machined at the bottom of the mounting base, distributed around the outer wall of the lower extrusion block, and extend through the interior of another mounting base.

[0010] Preferably, a mounting slot matching the radio frequency module is provided between the plurality of mounting bases, a sliding groove matching the connecting rod is provided inside the mounting base, and a support groove matching the limiting plate is provided inside the mounting base.

[0011] Preferably, the contact surfaces of the bottom end of the lower extrusion block, the top end of the upper extrusion block, and the connecting rod are all set as inclined surfaces. The mounting base has an internal telescopic groove that matches the lower extrusion block and the upper extrusion block, and the mounting base has an internal spring groove that matches the support spring.

[0012] Preferably, the top of the mounting base is provided with a sealing groove that matches the oil-based sealing ring, and the interior of the lower housing is provided with a mating groove that matches the mating ring.

[0013] Preferably, the outer wall of the lower housing is provided with threaded holes that match the fixing bolts, the inner wall of the connecting ring is provided with threaded grooves that match the fixing bolts, and the inner wall of the lower housing is provided with connecting grooves that match the connecting rings.

[0014] Preferably, the sealing ring is made of neoprene rubber and the connecting ring is made of polyethylene plastic.

[0015] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0016] 1. By placing the RF module in the mounting base inside the lower housing, and bringing the upper and lower housings close together, the mounting base in the upper housing is brought into contact with the top of the RF module. At the same time, the lower pressing block slides into the interior of the mounting base in the lower housing and contacts and presses against the connecting rod. This forces the connecting rod to push the limiting plate to compress the connecting spring, causing it to slide inside the mounting base and push the arc-shaped clamping blade to contact the outer wall of the RF module, thus clamping and fixing the RF module in the mounting base. After the upper and lower housings are tightly fitted together, the lower pressing block, after being in contact with the inner wall of the mounting base, applies pressure to the support spring. This causes the support spring to contract, driving the upper pressing block at the top of the support rod to slide inside the mounting base in the upper housing. This causes the upper pressing block to press against the sliding connecting rod, allowing the arc-shaped clamping blade on the inner wall of the mounting base in the upper housing to clamp and fix the top of the RF module to the outer wall. This allows the upper and lower housings to be brought close together, thus clamping and fixing the RF module in the mounting base.

[0017] 2. After the upper and lower housings come close together, the oil-based sealing ring at the bottom of the upper housing aligns with the surface of the mounting base in the lower housing. This oil-based sealing ring provides an oil seal at the connection points between multiple mounting bases, preventing moisture from entering and corroding the RF module. The mating ring at the bottom of the upper housing facilitates precise alignment and installation between the upper and lower housings. The connecting ring at the bottom of the upper housing allows it to penetrate into the lower housing, providing initial sealing protection at the connection point. Rotating the fixing bolt, which penetrates the lower housing into the connecting ring, completes the connection and fixation between the upper and lower housings. Simultaneously, the sealing ring is compressed between the inner wall of the lower housing and the mating ring, sealing and filling the gap between the mating ring and the inner wall of the lower housing. Multiple N-shaped sealing structures are formed between the connecting ring, the mating ring, and the inner wall of the lower housing, improving the sealing performance between the upper and lower housings. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic cross-sectional view of the exploded structure of the lower shell and the upper shell of this utility model;

[0021] Figure 3 This is a cross-sectional structural diagram of the lower shell of this utility model;

[0022] Figure 4 This is a cross-sectional structural diagram of the upper shell of this utility model;

[0023] Figure 5 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Lower housing; 101. Upper housing; 102. Mounting base; 2. Clamping mechanism; 201. Connecting rod; 202. Arc-shaped clamping blade; 203. Limiting plate; 204. Connecting spring; 205. Lower extrusion block; 206. Support rod; 207. Upper extrusion block; 208. Support spring; 3. Sealing mechanism; 301. Fixing bolt; 302. Butt ring; 303. Connecting ring; 304. Sealing ring; 305. Oil-based sealing ring. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0027] This utility model provides, for example Figure 1-5 The vehicle-mounted radar radio frequency module shown includes a lower housing 1, with an upper housing 101 docked to the top of the lower housing 1. The inner walls of the lower housing 1 and the upper housing 101 are both machined with mounting seats 102 that match the radio frequency module. The inner wall of the mounting seat 102 is slidably connected to a clamping mechanism 2, which clamps and fits against the outer wall of the radio frequency module. The outer wall of the lower housing 1 is threadedly connected to a sealing mechanism 3, which penetrates from the lower housing 1 to the interior of the upper housing 101.

[0028] The clamping mechanism 2 includes multiple connecting rods 201. These connecting rods 201 are slidably connected to both sides of the inner wall of the mounting base 102 and extend into the interior of the mounting base 102. An arc-shaped clamping blade 202 is machined on the side of the connecting rod 201 away from the mounting base 102 and fits against the outer wall of the RF module. A limiting plate 203 is machined at the top of the connecting rod 201 and slidably connected to the interior of the mounting base 102. The limiting plate 203 is connected to the mounting base 102. A connecting spring 204 is connected to the bottom end of the upper housing 101, and a lower extrusion block 205 is connected to it and extends into the interior of the mounting base 102. A support rod 206 is machined at the top end of the lower extrusion block 205, and an upper extrusion block 207 is machined at the top end of the support rod 206 and is slidably connected to the interior of the mounting base 102 and located at the bottom end of the connecting rod 201. A support spring 208 is sleeved on the outer wall of the support rod 206 and is located between the mounting base 102 and the top end of the lower extrusion block 205.

[0029] The sealing mechanism 3 includes a fixing bolt 301, which is threaded to the outer wall of the lower housing 1 and extends through the lower housing 1 to the interior of the upper housing 101. A mating ring 302 is machined around the bottom of the upper housing 101 and extends through the interior of the lower housing 1. A connecting ring 303 is machined at the bottom of the upper housing 101 and is located on the outer wall of the mating ring 302. It extends through the interior of the lower housing 1 and is sleeved on the outer wall of the fixing bolt 301. A sealing ring 304 is mechanically connected between the inner wall of the lower housing 1 and the outer wall of the mating ring 302. A plurality of oil-based sealing rings 305 are machined at the bottom of the mounting base 102 and are distributed around the outer wall of the lower extrusion block 205 and extend through the interior of another mounting base 102.

[0030] By utilizing the interlocking of internal components within the clamping mechanism 2, the RF module can be placed between the upper housing 101 and the lower housing 1. By bringing the upper housing 101 and the lower housing 1 closer together and closing them, the RF module's position within the mounting base 102 is secured, eliminating the need for manual adjustment by a worker.

[0031] The installation and replacement efficiency of the RF module is improved. Through the cooperation between the internal parts of the sealing mechanism 3, the connection and fixation between the upper housing 101 and the lower housing 1 can be completed, and the sealing performance of the upper housing 101 and the lower housing 1 is improved, preventing moisture from entering the interior of the upper housing 101 and the lower housing 1 and causing corrosion to the RF module.

[0032] Refer to the instruction manual appendix Figure 1-5 Multiple mounting bases 102 are provided with mounting slots that match the radio frequency module. The interior of the mounting base 102 is provided with a sliding groove that matches the connecting rod 201. The interior of the mounting base 102 is provided with a support groove that matches the limiting plate 203. By providing mounting slots that match the radio frequency module between multiple mounting bases 102, the radio frequency module can be installed between multiple mounting bases 102.

[0033] Refer to the instruction manual appendix Figure 1-5 The bottom end of the lower extrusion block 205, the top end of the upper extrusion block 207, and the contact surface with the connecting rod 201 are all set as inclined surfaces. The mounting base 102 has a telescopic groove inside that matches the lower extrusion block 205 and the upper extrusion block 207. The mounting base 102 also has a spring groove inside that matches the support spring 208. The telescopic groove inside the mounting base 102 that matches the lower extrusion block 205 and the upper extrusion block 207 facilitates the lower extrusion block 205 and the upper extrusion block 207 to slide and contact the surface of the connecting rod 201 inside the mounting base 102.

[0034] Refer to the instruction manual appendix Figure 1-5 The top of the mounting base 102 is provided with a sealing groove that matches the oil-based sealing ring 305, and the interior of the lower housing 1 is provided with a mating groove that matches the mating ring 302. The sealing groove at the top of the mounting base 102 that matches the oil-based sealing ring 305 facilitates the oil-based sealing ring 305 to seal and protect multiple mounting bases 102, preventing moisture from entering between the mounting bases 102 and corroding the radio frequency module.

[0035] Refer to the instruction manual appendix Figure 1-5The lower housing 1 has threaded holes around its outer wall that match the fixing bolts 301, and the inner wall of the connecting ring 303 has threaded grooves that match the fixing bolts 301. The lower housing 1 also has connecting grooves that match the connecting ring 303. The threaded holes around the outer wall of the lower housing 1 that match the fixing bolts 301 and the threaded grooves on the inner wall of the connecting ring 303 that match the fixing bolts 301 facilitate the fixing bolts 301 to pass through the connecting ring 303 into the lower housing 1, thus completing the connection and fixation between the upper housing 101 and the lower housing 1.

[0036] Refer to the instruction manual appendix Figure 1-5 The sealing ring 304 is made of neoprene rubber, and the connecting ring 303 is made of polyethylene plastic. The use of neoprene rubber for the sealing ring 304 and polyethylene plastic for the connecting ring 303 facilitates the sealing ring 304 to fill the gap between the mating ring 302 and the inner wall of the lower housing 1.

[0037] The working principle of this practical application is as follows:

[0038] Refer to the instruction manual appendix Figure 1-5 By placing the RF module in the mounting base 102 inside the lower housing 1, and bringing the upper housing 101 and lower housing 1 close together, the mounting base 102 in the upper housing 101 is brought into contact with the top of the RF module. Simultaneously, the lower pressing block 205 slides into the mounting base 102 in the lower housing 1 and contacts and presses against the connecting rod 201. This forces the connecting rod 201 to push the limiting plate 203, compressing the connecting spring 204 and causing it to retract. This allows the connecting rod 201 to slide within the mounting base 102, pushing the arc-shaped clamping blade 202 to contact the outer wall of the RF module, thus completing the clamping and fixing of the RF module in the mounting base 102. Meanwhile, the upper housing 1... After the lower extrusion block 205 is tightly attached to the lower housing 1, it will apply extrusion force to the support spring 208 after it is attached to the inner wall of the mounting base 102. This will cause the support spring 208 to contract under force, which will drive the upper extrusion block 207 at the top of the support rod 206 to slide inside the mounting base 102 in the upper housing 101. This will cause the upper extrusion block 207 to press the connecting rod 201 to slide, and the arc-shaped clamping blade 202 on the inner wall of the mounting base 102 in the upper housing 101 will complete the clamping and fixing of the outer wall of the top of the RF module. This will allow the upper housing 101 and the lower housing 1 to come close to each other and complete the clamping and fixing of the RF module in the mounting base 102.

[0039] Refer to the instruction manual appendix Figure 1-5After the upper housing 101 and the lower housing 1 come close together and fit together, the upper housing 101 drives the oil-based sealing ring 305 at the bottom of the mounting base 102 to mate and fit with the surface of the mounting base 102 in the lower housing 1. This allows the oil-based sealing ring 305 to provide an oil seal at the connection between multiple mounting bases 102, thereby preventing moisture from entering between the mounting bases 102 and causing corrosion to the RF module. The mating ring 302 at the bottom of the upper housing 101 facilitates precise mating and installation between the upper housing 101 and the lower housing 1. The connecting ring 303 at the bottom of the upper housing 101 allows the connecting ring 303 to penetrate into the lower housing 1. The upper housing 101 and the lower housing 1 are initially sealed and protected. Then, the fixing bolt 301 is rotated, and the fixing bolt 301 passes through the lower housing 1 to the inside of the connecting ring 303, thus completing the two-stage fixation between the upper housing 101 and the lower housing 1. At the same time, the sealing ring 304 is squeezed between the inner wall of the lower housing 1 and the mating ring 302, so that the sealing ring 304 seals and fills the gap between the mating ring 302 and the inner wall of the lower housing 1. By forming multiple N-shaped sealing structures between the connecting ring 303, the mating ring 302 and the inner wall of the lower housing 1, the sealing performance between the upper housing 101 and the lower housing 1 can be improved.

[0040] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A vehicle-mounted radar radio frequency module with a waterproof sealing structure, characterized in that: Including lower shell (1), the top end of lower shell (1) is butt joint with upper shell (101), the inner wall of lower shell (1) and the inner wall of upper shell (101) are all mechanically processed with the mounting seat (102) matched with radio frequency module, the inner wall of mounting seat (102) is slidably connected with clamping mechanism (2), and is clamped and attached with the outer wall of radio frequency module, the outer wall of lower shell (1) is threadedly connected with sealing mechanism (3), and penetrates the inside of lower shell (1) to the inside of upper shell (101); The clamping mechanism (2) includes a connecting rod (201), the connecting rod (201) has a plurality of, a plurality of the connecting rod (201) is slidably connected to the inner wall of mounting seat (102) both sides, and penetrates to the inside of mounting seat (102), the side of connecting rod (201) away from mounting seat (102) is mechanically processed with arc-shaped clamping blade (202), and is attached with the outer wall of radio frequency module, the top end of connecting rod (201) is mechanically processed with limit plate (203), and is slidably connected in the inside of mounting seat (102), the connecting spring (204) is connected between limit plate (203) and mounting seat (102), the bottom end of upper shell (101) is connected with lower extrusion block (205), and penetrates to the inside of mounting seat (102), the top end of lower extrusion block (205) is mechanically processed with support rod (206), the top end of support rod (206) is mechanically processed with upper extrusion block (207), and is slidably connected in the inside of mounting seat (102), and is located at the bottom end of connecting rod (201), the outer wall of support rod (206) is sleeved with support spring (208), and is located between mounting seat (102) and the top end of lower extrusion block (205); The sealing mechanism (3) includes a fixed bolt (301), the fixed bolt (301) is threadedly connected to the outer wall of lower shell (1) around, and penetrates the inside of lower shell (1) to the inside of upper shell (101), the bottom end of upper shell (101) is mechanically processed with butt ring (302) around, and penetrates to the inside of lower shell (1), the bottom end of upper shell (101) is mechanically processed with connecting ring (303), and is located on the outer wall of butt ring (302), and penetrates to the inside of lower shell (1) and the outer wall of fixed bolt (301) is sleeved, the inner wall of lower shell (1) and the outer wall of butt ring (302) are mechanically connected with sealing ring (304), the bottom end of mounting seat (102) is mechanically processed with a plurality of oil seal (305), and is distributed on the outer wall of lower extrusion block (205), and penetrates to the inside of another mounting seat (102).

2. The vehicle-mounted radar RF module with a waterproof sealing structure according to claim 1, characterized in that: Multiple mounting seats (102) are provided with mounting grooves matched with radio frequency modules, the inside of mounting seat (102) is provided with sliding grooves matched with connecting rod (201), the inside of mounting seat (102) is provided with support grooves matched with limit plate (203).

3. The vehicle-mounted radar RF module with a waterproof sealing structure according to claim 1, characterized in that: The bottom end of the lower extrusion block (205), the top end of the upper extrusion block (207) and the contact surface of the connecting rod (201) are all provided as inclined surfaces, the inside of the mounting seat (102) is provided with telescopic grooves matched with the lower extrusion block (205) and the upper extrusion block (207), and the inside of the mounting seat (102) is provided with spring grooves matched with the supporting springs (208).

4. The vehicle-mounted radar RF module with a waterproof sealing structure according to claim 1, characterized in that: The top end of the mounting seat (102) is provided with a sealing groove matched with the oily sealing ring (305), and the inside of the lower shell (1) is provided with a butt joint groove matched with the butt joint ring (302).

5. The vehicle-mounted radar RF module with a waterproof sealing structure according to claim 1, characterized in that: The outer wall of the lower shell (1) is provided with threaded holes matched with the fixing bolts (301) around, the inner wall of the connecting ring (303) is provided with threaded grooves matched with the fixing bolts (301), and the inner wall of the lower shell (1) is provided with a connecting groove matched with the connecting ring (303).

6. The vehicle-mounted radar RF module with a waterproof sealing structure according to claim 1, characterized in that: The sealing ring (304) is made of neoprene rubber, and the connecting ring (303) is made of polyethylene plastic.

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