CN216206419U - Novel hydraulic brake sensor - Google Patents

Abstract

The utility model discloses a novel hydraulic brake sensor which comprises a sensor body, wherein a pressure measuring cavity is arranged in the middle of the sensor body, a control circuit board is installed at the upper end of the sensor body, and a limiting mechanism comprises a connecting column fixedly connected to the middle of a fixing plate, a spring sleeved on the outer surface of the connecting column, an auxiliary plate fixedly connected to the movable end of the spring and a pressing block fixedly connected to one end, close to the vertical middle axis of the sensor body, of the auxiliary plate. This novel hydraulic brake sensor can realize the zero leakage of hydraulic brake sensor, high stability, overlength life to the safety cover setting plays the effect of protection to the sensor body in the outside of sensor body, simultaneously through fixed plate and stop gear's setting, is convenient for carry out spacing installation to the sensor body, when the sensor body breaks down, conveniently dismantles the maintenance to the sensor body simultaneously.

Description

Novel hydraulic brake sensor

Technical Field

The utility model relates to the technical field related to hydraulic brake sensors, in particular to a novel hydraulic brake sensor.

Background

At present, most sensors used in the existing hydraulic brake system are mechanical pressure switch sensors, a spring is pushed by a piston under pressure, a microswitch acts to output a brake signal to indicate that the brake signal is in place, and the mechanical switch piston is sealed by an O-shaped ring;

however, in the process of actual use, a mechanical switch piston sensor sealed by an O-ring often has many situations of leakage or failure of the whole sensor, the service life of the whole sensor is short, the mechanical return difference cannot be adjusted, the consistency of the return difference is poor, the precision is generally not high, and the sensor is complicated to install and operate and has low practicability;

therefore, a novel hydraulic brake sensor is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel hydraulic brake sensor, which aims to solve the problems that the commonly used mechanical switch piston sensor sealed by an O-shaped ring in the background art has a plurality of leakage or the whole sensor fails in the actual use process, the whole service life of the sensor is short, the mechanical return difference cannot be adjusted, the consistency of the return difference is poor, the precision is not high generally, the installation operation of the sensor is complicated, and the practicability is not high.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel hydraulic brake sensor comprises a sensor body, wherein a pressure measuring cavity is arranged in the middle of the sensor body, a pressure sensing circuit is arranged on the rear side of the pressure measuring cavity, a control circuit board is mounted at the upper end of the sensor body, and a sensor sleeve is arranged on the outer side of the control circuit board;

the upper end of the sensor body is provided with a waterproof joint;

the limiting mechanism comprises a connecting column fixedly connected to the middle of the fixed plate, a spring sleeved on the outer surface of the connecting column, an auxiliary plate fixedly connected to the movable end of the spring and a pressing block fixedly connected to one end, close to the vertical middle axis of the sensor body, of the auxiliary plate;

wherein, stop gear equiangular setting is in the outside of sensor body.

Preferably, a protective cover for protection is covered on the outer side of the sensor body, a fixing hole with a limiting effect is formed in the lower end of the protective cover, and a fixing column is inserted in the middle of the fixing hole;

wherein, fixed column fixed connection is in the upper end of the fixed plate that is vertical state.

Preferably, the upper end of the fixed column is hinged with a limiting plate for fixing, a torsion spring for resetting is arranged at the joint of the limiting plate and the fixed column, and the limiting plate forms an overturning structure at the upper end of the fixed column.

Preferably, the lower end of the fixing plate is inserted with a fixing rod with a thread on the outer surface, the outer surface of the fixing rod is connected with a fixing sleeve with a limiting effect in a threaded manner, and the fixing sleeve is attached to the fixing plate;

wherein, the dead lever fixed connection is on the mounting panel.

Preferably, the pressing block forms an elastic structure between the auxiliary plate and the connecting column, the connecting column is inserted in the middle of the auxiliary plate, and a sliding structure is formed between the auxiliary plate and the connecting column.

Preferably, a relative sliding structure is formed between the fixing plate and the mounting plate, the fixing plate is attached to the outer surface of the lower end of the sensor body, and the fixing plate is arranged on the outer side of the lower end of the sensor body at equal angles.

Compared with the prior art, the utility model has the beneficial effects that: in the practical use process, the whole pressure measuring cavity is not provided with any sealing ring, a pressure sensing circuit is arranged behind the pressure measuring cavity, a control circuit board is arranged on the upper layer and is protected through a sensor sleeve, a wire is directly led out from a waterproof connector on the uppermost layer, zero leakage, high stability and super long service life of the hydraulic brake sensor can be realized, a protective cover is arranged on the outer side of the sensor body and plays a protective role in the sensor body, meanwhile, the sensor body is convenient to limit and install through the arrangement of a fixed plate and a limiting mechanism, and meanwhile, when the sensor body breaks down, the sensor body is convenient to disassemble and overhaul;

1. the hydraulic brake sensor is provided with a pressure measuring cavity, a pressure sensing circuit, a control circuit board and a sensor sleeve, wherein the pressure measuring cavity is arranged in the sensor body, the whole pressure measuring cavity is free of any sealing ring, the pressure sensing circuit is arranged behind the pressure measuring cavity, the control circuit board is arranged on the upper layer, and meanwhile, the sensor sleeve is used for protection, so that zero leakage of the hydraulic brake sensor can be realized, the stability is good, and the service life of the sensor is prolonged;

2. the sensor comprises a sensor body, a protective cover, a fixing column and a limiting plate, wherein the protective cover is arranged on the outer side of the sensor body and can protect the sensor body;

3. be equipped with fixed plate and stop gear, stop gear includes the spliced pole, a spring, accessory plate and briquetting, the equal angle setting of fixed plate and stop gear is in the outside of sensor body, the fixed plate extrudees spacingly to the sensor body, the briquetting passes through to constitute elastic construction between accessory plate and the spliced pole simultaneously, further spacing fixed to the sensor body is advanced through the briquetting, reach very good fixed effect, and be convenient for when the sensor body breaks down, dismantle the maintenance to the sensor body.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the sensor body, the fixing plate and the fixing rod of the present invention;

FIG. 4 is a front view of the sensor body and the protective cover of the present invention;

FIG. 5 is a front view of the sectional structure of the fixing plate, the fixing rod and the pressing block.

In the figure: 1. a sensor body; 2. a pressure measurement cavity; 3. a pressure sensing circuit; 4. a control circuit board; 5. a sensor sleeve; 6. a waterproof joint; 7. a protective cover; 8. a fixing hole; 9. fixing a column; 10. a limiting plate; 11. a torsion spring; 12. a fixing plate; 13. a limiting mechanism; 14. connecting columns; 15. a spring; 16. an auxiliary plate; 17. briquetting; 18. fixing the rod; 19. fixing a sleeve; 20. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a novel hydraulic brake sensor, includes sensor body 1, pressure-measuring chamber 2, pressure sensing circuit 3, control circuit board 4, sensor sleeve 5, water joint 6, safety cover 7, fixed orifices 8, fixed column 9, limiting plate 10, torsional spring 11, fixed plate 12, stop gear 13, spliced pole 14, spring 15, accessory plate 16, briquetting 17, dead lever 18, fixed cover 19 and mounting panel 20.

When the novel hydraulic brake sensor is used, as shown in fig. 1 and 4, a protective cover 7 covers the outer side of the sensor body 1, the protective cover 7 is arranged to protect the sensor body 1 conveniently, a pressure measuring cavity 2 is arranged in the sensor body 1, a pressure sensing circuit 3 is arranged on the rear side of the pressure measuring cavity 2, a control circuit board 4 is arranged at the upper end of the pressure measuring cavity 2, the control circuit board 4 can be protected through a sensor sleeve 5, and a waterproof connector 6 is arranged at the upper end of the sensor body 1, so that an electric wire can be directly led out;

through the principle of electronic control, after the sensor body 1 is pressed, an output signal changes along with the change of the pressure, the signal of the sensor body 1 is subjected to AD conversion through a digital circuit board, then an action signal is output through process sequence comparison, an action value can be set and adjusted through supporting software, and the output signal is output through a relay to output a brake feedback signal, so that zero leakage of the sensor body 1 can be realized in the actual use process, the stability is high, and the service life is long;

as shown in fig. 1, 2 and 3, the sensor body 1 is limited at the upper end of the mounting plate 20 by the fixing plate 12 and the limiting mechanism 13, the fixing plate 12 and the limiting mechanism 13 are arranged at the outer side of the sensor body 1 at equal angles, the limiting mechanism 13 includes a connecting column 14 fixedly connected to the middle of the fixing plate 12, a spring 15 sleeved on the outer surface of the connecting column 14, an auxiliary plate 16 fixedly connected to the movable end of the spring 15, and a pressing block 17 fixedly connected to one end of the auxiliary plate 16 close to the vertical central axis of the sensor body 1;

when the sensor body 1 breaks down, firstly, the limiting plate 10 is rotated, the limiting plate 10 overturns at the upper end of the fixing column 9, the torsion spring 11 elastically deforms, so that the limiting plate 10 loosens the fixing of the protective cover 7, then the protective cover 7 is pulled upwards to disassemble the protective cover 7, then the fixing sleeve 19 which is connected to the outer surface of the fixing rod 18 through threads as shown in figure 5 is rotated, so that the fixing sleeve 19 loosens the limiting of the fixing plate 12, the auxiliary plate 16 is pulled upwards to drive the pressing block 17 to move upwards, the auxiliary plate 16 slides on the connecting column 14, the auxiliary plate 16 extrudes the spring 15 to elastically deform the spring 15, the auxiliary plate 16 drives the pressing block 17 to be separated from the sensor body 1, the fixing of the sensor body 1 is loosened, then the fixing plate 12 is pulled to one end away from the vertical central axis of the sensor body 1, so that the fixing plate 12 is separated from the sensor body 1, the sensor body 1 is convenient to disassemble, overhaul or replace, convenient to operate, high in practicability and very convenient to use;

after the overhaul or the replacement is completed, the sensor body 1 is limited at the upper end of the mounting plate 20 through the fixing plate 12 and the limiting mechanism 13, the protective cover 7 is covered outside the sensor body 1, the fixing column 9 is inserted into the fixing hole 8, and the protective cover 7 is fixed through the limiting plate 10, so that the operation is simple.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A novel hydraulic brake sensor is characterized by comprising:

the sensor comprises a sensor body (1), wherein a pressure measuring cavity (2) is arranged in the middle of the sensor body (1), a pressure sensing circuit (3) is arranged on the rear side of the pressure measuring cavity (2), a control circuit board (4) is installed at the upper end of the sensor body (1), and a sensor sleeve (5) is arranged on the outer side of the control circuit board (4);

the upper end of the sensor body (1) is provided with a waterproof joint (6);

the limiting mechanism (13) comprises a connecting column (14) fixedly connected to the middle of the fixing plate (12), a spring (15) sleeved on the outer surface of the connecting column (14), an auxiliary plate (16) fixedly connected to the movable end of the spring (15) and a pressing block (17) fixedly connected to one end, close to the vertical central axis of the sensor body (1), of the auxiliary plate (16);

the limiting mechanism (13) is arranged on the outer side of the sensor body (1) at equal angles.

2. The novel hydraulic brake sensor according to claim 1, characterized in that: a protective cover (7) for protection is covered on the outer side of the sensor body (1), a fixing hole (8) with a limiting effect is formed in the lower end of the protective cover (7), and a fixing column (9) is inserted in the middle of the fixing hole (8);

wherein, the fixed column (9) is fixedly connected with the upper end of the fixed plate (12) in a vertical state.

3. The novel hydraulic brake sensor as claimed in claim 2, wherein: the upper end hinged joint of fixed column (9) has limiting plate (10) that is used for fixing, and the junction of limiting plate (10) and fixed column (9) is provided with torsional spring (11) that are used for reseing, limiting plate (10) constitute flip structure in the upper end of fixed column (9).

4. The novel hydraulic brake sensor as claimed in claim 2, wherein: a fixed rod (18) with threads on the outer surface is inserted at the lower end of the fixed plate (12), a fixed sleeve (19) with a limiting effect is connected to the outer surface of the fixed rod (18) in a threaded manner, and the fixed sleeve (19) is attached to the fixed plate (12);

wherein, the fixed rod (18) is fixedly connected on the mounting plate (20).

5. The novel hydraulic brake sensor according to claim 1, characterized in that: the pressing block (17) forms an elastic structure with the connecting column (14) through the auxiliary plate (16), the connecting column (14) is inserted in the middle of the auxiliary plate (16), and a sliding structure is formed between the auxiliary plate (16) and the connecting column (14).

6. The novel hydraulic brake sensor as claimed in claim 4, wherein: constitute relative sliding structure between fixed plate (12) and mounting panel (20), fixed plate (12) laminating sets up the surface at sensor body (1) lower extreme, and fixed plate (12) equidistance setting is in the outside of sensor body (1) lower extreme.

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