Waterproof automobile sensor

Abstract

The utility model relates to the technical field of sensors, in particular to a waterproof automobile sensor which comprises a sensor body, an induction end, a connecting wire, an anti-loosening assembly and a cleaning assembly, the induction end is arranged at one end of the sensor body, the end, away from the induction end, of the sensor body is used for arranging a wiring end, and the connecting wire is connected with the wiring end. The anti-loosening assembly is connected to the sensor body, and the cleaning assembly is connected to the outer side of the anti-loosening assembly. According to the utility model, when the anti-loosening assembly is used, the anti-loosening assembly can move along the length direction of the sensor main body so as to limit the position of the connecting line, and the waterproof assembly in the anti-loosening assembly can form a closed space when the anti-loosening assembly moves so as to prevent sewage from contacting the connecting line and the wiring end of the sensor main body. When in use, the cleaning assembly is driven to move along the anti-loosening assembly by bumping of a vehicle, and the cleaning assembly removes silt on the surface of the anti-loosening assembly to prevent excessive silt from affecting heat dissipation of the sensor main body.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a waterproof automobile sensor. Background Art

[0002] ABS sensor is used in ABS (anti-lock braking system) of motor vehicles. In ABS system, inductive sensor is mostly used to monitor vehicle speed. ABS sensor works with the gear ring that rotates synchronously with the wheel to output a set of quasi-sinusoidal AC signals, whose frequency and amplitude are related to the wheel speed. The output signal is transmitted to the ABS electronic control unit to realize real-time monitoring of wheel speed.

[0003] After searching, Chinese patent announcement number CN217879255U discloses a waterproof automobile ABS contact sensor, including a shell; a connection seat is arranged on the lower surface of the shell, a sensing element is arranged inside the shell, a sensing head is arranged on the upper surface of the shell, and a reinforcement hole is vertically opened on the right side of the shell. The waterproof automobile ABS contact sensor, when the external wire is inserted into the inside of the connection cavity, the top of the external wire can fit the inner wall of the first sealing ring for preliminary sealing, and then when the interface of the external wire is inserted into the socket at the bottom of the inner wall of the connection cavity, the tightening rope is pulled outward, so that the tightening rope moves in the inner cavity of the active cavity, thereby pulling the rubber ring to deform, so that the inner wall of the rubber ring fits the surface of the wire for secondary sealing, which can effectively prevent rainwater from overflowing from the inner wall of the connection cavity to the interface, improve protection, so that rainwater cannot cause a short circuit in the shell during heavy rain.

[0004] However, in the above technical solution, the rubber ring is only sealed to the wire by tightening the rubber ring through the tightening rope. When the tightening rope is tightened, the rubber ring and the insulating layer on the surface of the wire need to be deformed to achieve sealing. If the tightening rope is too tight, it will cause the insulating layer on the surface of the wire to deform and affect its performance, and it is easy to cause damage to the insulating layer. If the tightening rope is too loose, it will not play a sealing role. In addition, the tightening of the tightening rope depends on manual operation by the staff, which increases uncertainty. Utility Model Content

[0005] The utility model aims to provide a waterproof automobile sensor in view of the problems existing in the background technology.

[0006] The technical solution of the utility model is as follows: a waterproof automobile sensor comprises a sensor body, one end of which is provided with a sensing end, and the other end of the sensor body is connected with a connecting line; an anti-loosening component, which is connected to the sensor body; when the anti-loosening component is in use, the anti-loosening component limits the movement of the connecting line; a cleaning component, which is connected to the outside of the anti-loosening component; when the cleaning component is in use, the cleaning component is reciprocated by gravity to scrape the anti-loosening component.

[0007] Preferably, the anti-loosening component includes a fixed cylinder, which is connected to the sensor body and is sleeved on the outside of the connecting line; a movable cylinder, which is sleeved on the outside of the fixed cylinder and is detachably connected to the fixed cylinder; a plurality of elastic plates distributed around the circumference, which are connected to the side wall of the fixed cylinder and have a plurality of through holes; a limiting ball, which is connected to the elastic plate and is slidably connected to the connecting line; and a waterproof component, which is connected to the inner wall of the fixed cylinder and forms a sealed cavity in the fixed cylinder to prevent moisture from penetrating when the waterproof component is in use.

[0008] Preferably, the limiting protrusion is connected to the inner wall of the movable cylinder, and the limiting protrusion is slidably connected to the accommodating groove provided on the outer wall of the fixed cylinder.

[0009] Preferably, the waterproof assembly includes a first waterproof ring connected to the inner wall of the fixed cylinder, the first waterproof ring being slidably connected to the connecting line; a second waterproof ring connected to one end of the movable cylinder, the second waterproof ring being arranged parallel to the first waterproof ring;

[0010] Preferably, a sponge block is also connected to the fixing tube, and the sponge block is located between the first waterproof ring and the second waterproof ring and is arranged parallel to both of them.

[0011] Preferably, the sensing end of the sensor body is connected to a waterproof cover.

[0012] Preferably, the cleaning assembly includes a fixed ring connected to the sensor body and sleeved on the outside of the moving cylinder; a moving ring, which is arranged parallel to the fixed ring and sleeved on the outside of the moving cylinder; an elastic member, which is sleeved on the outside of the moving cylinder, and the two ends of the elastic member are respectively connected to the fixed ring and the moving ring; a counterweight member, which is evenly distributed at equal intervals and connected to the moving ring; and a cleaning plate, which is connected to the inner wall of the moving ring and is slidably connected to the moving cylinder.

[0013] Compared with the prior art, the above technical solution of the utility model has the following beneficial technical effects:

[0014] In the utility model, the anti-loosening component can be moved along the length direction of the sensor body to limit the position of the connecting line when in use, and the waterproof component in the anti-loosening component can form a closed space when the anti-loosening component moves to prevent sewage from contacting the connecting line and the wiring terminal of the sensor body. When the cleaning component is in use, it is driven by the bumps of the vehicle to move along the anti-loosening component, and the cleaning component removes mud and sand on the surface of the anti-loosening component to prevent excessive mud and sand from affecting the heat dissipation of the sensor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 for Figure 1 A cross-sectional schematic diagram of

[0017] Figure 3 It is a schematic diagram of the fixed cylinder structure;

[0018] Figure 4 Schematic diagram of the cleaning plate structure.

[0019] Figure numerals: 1. sensor body; 2. sensing end; 3. connecting line; 4. fixed cylinder; 5. movable cylinder; 6. elastic plate; 7. limiting ball; 8. limiting protrusion; 9. receiving groove; 10. first waterproof ring; 11. second waterproof ring; 12. sponge block; 13. waterproof cover; 14. fixed ring; 15. movable ring; 16. elastic part; 17. counterweight; 18. cleaning plate. DETAILED DESCRIPTION

[0020] Embodiment 1

[0021] like Figure 1-Figure 4 As shown, a waterproof automobile sensor proposed by the utility model comprises a sensor body 1, a sensing end 2, a connecting line 3, an anti-loosening component and a cleaning component, wherein the sensing end 2 is arranged at one end of the sensor body 1, and the end of the sensor body 1 away from the sensing end 2 is used for arranging a wiring terminal, the connecting line 3 is connected to the wiring terminal, the outer side of the connecting line 3 is used for sleeve-arranging an anti-loosening component, and the anti-loosening component is connected to the sensor body 1; when the anti-loosening component is used, it can move along the length direction of the sensor body 1 to limit the position of the connecting line 3, and at the same time, the waterproof component in the anti-loosening component can form an enclosed space when the anti-loosening component moves to prevent sewage from contacting the connecting line 3 and the wiring terminal of the sensor body 1; the cleaning component is connected to the outer side of the anti-loosening component; when the cleaning component is used, it is driven by the bump of the vehicle to move along the anti-loosening component, and the cleaning component removes the mud and sand on the surface of the anti-loosening component to prevent excessive mud and sand from affecting the heat dissipation of the sensor body 1.

[0022] Embodiment 2

[0023] like Figure 2-Figure 3 As shown, the utility model proposes a waterproof automobile sensor. Compared with the first embodiment, the present embodiment records the detailed structure of the anti-loosening assembly. The anti-loosening assembly includes a fixed cylinder 4, a movable cylinder 5, an elastic plate 6, a limiting ball 7 and a waterproof assembly. The fixed cylinder 4 is connected to the sensor body 1. The inner side of the fixed cylinder 4 is used to pass the connecting line 3. The movable cylinder 5 is sleeved on the outer side of the fixed cylinder 4 and is detachably connected to the fixed cylinder 4.

[0024] In an optional embodiment, the limiting protrusion 8 is connected to the inner wall of the moving cylinder 5, and the limiting protrusion 8 is slidably connected to the receiving groove 9 opened on the outer wall of the fixed cylinder 4; the limiting protrusion 8 is connected to the inner wall of the moving cylinder 5 with a circumferential distribution of the central axis of the moving cylinder 5, and the receiving groove 9 is distributed with a circumferential distribution of the central axis of the fixed cylinder 4, and the shape of the receiving groove 9 is an inverted L shape or a 7 shape;

[0025] The side wall of the fixed tube 4 is provided with through holes distributed around the central axis of the fixed tube 4, and elastic plates 6 corresponding to the number of through holes are connected in the through holes; the elastic plates 6 are selected from but not limited to metal sheets, the elastic plates 6 are tilted, one end of the elastic plates 6 is connected to the fixed tube 4, and the other end of the elastic plates 6 is tilted; the limiting balls 7 corresponding to the number of the elastic plates 6 are connected to the inner wall of the elastic plates 6; the limiting balls 7 are selected from but not limited to rubber balls; the waterproof component is connected to the inner wall of the fixed tube 4; when the waterproof component is in use, a sealed cavity is formed in the fixed tube 4 to prevent moisture from penetrating;

[0026] The waterproof assembly includes a first waterproof ring 10 and a second waterproof ring 11, which are arranged in parallel front and back. The first waterproof ring 10 is connected to the inner wall of the fixed cylinder 4, and the second waterproof ring 11 is connected to one end of the movable cylinder 5;

[0027] In an optional embodiment, a sponge block 12 is further connected to the fixing tube 4, and the sponge block 12 is disposed between the first waterproof ring 10 and the second waterproof ring 11 and is arranged parallel to the first waterproof ring 10 and the second waterproof ring 11; the sponge block 12 can absorb the moisture entering between the first waterproof ring 10 and the second waterproof ring 11 to prevent the moisture from further penetrating;

[0028] In an optional embodiment, the sensing end 2 of the sensor body 1 is connected to a waterproof cover 13 ; the waterproof cover 13 protects the sensing end 2 when it is not in use, preventing dust and foreign objects from damaging the sensing end 2 .

[0029] Embodiment 3

[0030] like Figure 4 As shown, a waterproof automobile sensor proposed by the utility model, compared with the second embodiment, the detailed structure of the cleaning component is recorded in this embodiment, and the cleaning component includes a fixed ring 14, a movable ring 15, an elastic member 16, a counterweight 17 and a cleaning plate 18. The fixed ring 14 is connected to the side wall of the sensor body 1 away from the sensing end 2, the movable ring 15 is arranged parallel to the fixed ring 14, the movable ring 15 is sleeved on the outside of the movable cylinder 5, the elastic member 16 is sleeved on the outside of the movable cylinder 5, and the two ends of the elastic member 16 are respectively connected to the fixed ring 14 and the movable ring 15; the elastic member 16 is selected from but not limited to a spring; a plurality of counterweights 17 distributed with the central axis of the movable ring 15 as the center are connected to the movable ring 15; the counterweight 17 is selected from but not limited to a metal block; the cleaning plate 18 is connected to the inner wall of the movable ring 15, and the cleaning plate 18 is annular and slidably connected to the movable cylinder 5.

[0031] In summary, when the utility model is used, the sensor body 1 is installed on the vehicle, the waterproof cover 13 on the sensing end 2 is removed, and then the connecting line 3 is connected to the wiring end of the sensor body 1, and then the moving cylinder 5 is pushed to move along the central axis of the fixed cylinder 4, and the upper limit projection 8 of the moving cylinder 5 moves along the receiving groove 9, and then rotates to limit the movement of the moving cylinder 5. At this time, the second waterproof ring 11 contacts the fixed cylinder 4 with the movement of the moving cylinder 5 to form a barrier to prevent sewage from entering, and the second barrier is formed by the sponge block 12 to prevent sewage from entering the fixed cylinder 4. The first waterproof ring 10 is located at the innermost part of the fixed cylinder 4 to form a third barrier to prevent the sewage from contacting the connecting line and causing a short circuit. When the vehicle is driving, the vehicle bumps and causes the counterweight 17 and the moving ring 15 to move. The cleaning plate 18 on the inner wall of the moving ring 15 scrapes against the outer wall of the moving cylinder 5 during the movement to reduce the residual mud and sand on its surface and avoid affecting the heat dissipation of the connecting line 3 and the terminal of the sensor body 1. The elastic member 16 can enable the moving ring 15 to perform repeated reciprocating movements to keep the outer wall of the moving cylinder 5 clean.

[0032] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A waterproof automobile sensor, characterized in that: include A sensor body (1) having a sensing end (2) at one end and a connecting line (3) connected to the other end of the sensor body (1); An anti-loosening component connected to the sensor body (1); when the anti-loosening component is in use, the anti-loosening component restricts the movement of the connecting line (3); The cleaning component is connected to the outside of the anti-loosening component. When the cleaning component is in use, the cleaning component moves back and forth under the influence of gravity to scrape the anti-loosening component.

2. A waterproof automobile sensor according to claim 1, characterized in that: Anti-loosening components include A fixing tube (4) connected to the sensor body (1), the fixing tube (4) being sleeved on the outside of the connecting line (3); A movable cylinder (5) is sleeved on the outside of the fixed cylinder (4), and the movable cylinder (5) and the fixed cylinder (4) are detachably connected; A plurality of elastic plates (6) are distributed around the circumference, and the elastic plates (6) are connected to a plurality of through holes formed on the side wall of the fixed cylinder (4); A limiting ball (7) is connected to the elastic plate (6), and the limiting ball (7) is slidably connected to the connecting line (3); A waterproof component is connected to the inner wall of the fixed tube (4). When the waterproof component is in use, a sealed cavity is formed in the fixed tube (4) to prevent water from penetrating.

3. A waterproof automobile sensor according to claim 2, characterized in that: The limiting protrusion (8) is connected to the inner wall of the movable cylinder (5), and the limiting protrusion (8) is slidably connected to a receiving groove (9) provided on the outer wall of the fixed cylinder (4).

4. A waterproof automobile sensor according to claim 2, characterized in that: Waterproof components include A first waterproof ring (10) connected to the inner wall of the fixing tube (4), the first waterproof ring (10) being slidably connected to the connecting line (3); The second waterproof ring (11) is connected to one end of the moving cylinder (5), and the second waterproof ring (11) is arranged in parallel with the first waterproof ring (10).

5. A waterproof automobile sensor according to claim 4, characterized in that: A sponge block (12) is also connected inside the fixed cylinder (4), and the sponge block (12) is located between the first waterproof ring (10) and the second waterproof ring (11) and is arranged parallel to the two.

6. A waterproof automobile sensor according to claim 1, characterized in that: The sensing end (2) of the sensor body (1) is connected to a waterproof cover (13).

7. A waterproof automobile sensor according to claim 2, characterized in that: Cleaning kit includes A fixing ring (14) connected to the sensor body (1), the fixing ring (14) being sleeved on the outside of the moving cylinder (5); A movable ring (15) is arranged in parallel with the fixed ring (14), and the movable ring (15) is sleeved on the outside of the movable cylinder (5); An elastic member (16) is sleeved on the outside of the moving cylinder (5), and two ends of the elastic member (16) are respectively connected to the fixed ring (14) and the moving ring (15); A plurality of counterweights (17) are evenly spaced and connected to the moving ring (15); A cleaning plate (18) is connected to the inner wall of the moving ring (15), and the cleaning plate (18) is slidably connected to the moving cylinder (5).

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