CN210923736U

CN210923736U - Speed sensor

Info

Publication number: CN210923736U
Application number: CN201921975412.1U
Authority: CN
Inventors: 卫桂明; 徐超; 贾恺
Original assignee: Shanghai Deuta Electronic and Electrical Equipment Co Ltd
Current assignee: Shanghai Deuta Electronic and Electrical Equipment Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-03
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a speed sensor belongs to speed sensor technical field, and it includes the fixing base, the top fixedly connected with installation section of thick bamboo of fixing base right flank, be provided with the speed sensor body in the installation section of thick bamboo, the left end joint of speed sensor body has dustproof cap, dustproof cap joint is in the through-hole, the top at the fixing base right flank is seted up to the through-hole. This speedtransmitter, through be provided with dustproof cap on the speedtransmitter body, utilize telescoping device's pulling force to drive the fixed plate and fix the speedtransmitter body, make its stable the fixing in an installation section of thick bamboo, the inductive head of speedtransmitter body stretches out the fixing base through dustproof cap this moment, carry out normal signal collection and response, reached like this to the speedtransmitter body effect dustproof and that protect, reduce the influence that the dust brought the speedtransmitter body, guaranteed the life of speedtransmitter body simultaneously.

Description

Speed sensor

Technical Field

The utility model belongs to the technical field of speedtransmitter, specifically be a speedtransmitter.

Background

Modern vehicles are generally equipped with engine controls, autopilot, ABS, TRC, automatic door locking, active suspension, guidance systems, electronic instrumentation, etc., which all require vehicle speed signals. Therefore, the accuracy and stability of the output signal of the sensor for measuring the running speed of the vehicle will have a great influence on these control units.

Most of the existing speed sensors for vehicles are in a naked state, dust in air easily falls on the naked speed sensors, so that a large amount of dust is accumulated on the sensing heads of the speed sensors, the speed measurement is possibly influenced, meanwhile, the dust enters the speed sensors, the precision speed sensors are easily damaged or failed, and the service life of the precision speed sensors is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art's above-mentioned defect, the utility model provides a speedtransmitter has solved current speedtransmitter for vehicle and has mostly all been naked state, and the dust in the air falls on naked speedtransmitter easily, leads to a large amount of dusts of accumulation on the speedtransmitter inductive head, probably influences the measurement of speed, and in the dust got into speedtransmitter simultaneously, cause accurate speedtransmitter to damage or malfunction easily, reduce its life's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a speed sensor, includes the fixing base, the top fixedly connected with installation section of thick bamboo of fixing base right flank, be provided with the speed sensor body in the installation section of thick bamboo, the left end joint of speed sensor body has dustproof cap, dustproof cap joint is in the through-hole, the top at the fixing base right flank is seted up to the through-hole, the right-hand member of speed sensor body passes spacing hole and extends to the right side in spacing hole, the side at the fixed plate is seted up in spacing hole, the right flank fixed connection of telescoping device and connecting plate is all passed through to the top and the below of fixed plate left flank, and the opposite face difference fixed connection of two connecting plates is at the upper surface and the lower surface of installation section of thick bamboo.

As a further aspect of the present invention: the telescopic device comprises a telescopic rod, a spring is sleeved on the surface of the telescopic rod, the right ends of the telescopic rod and the spring are fixedly connected to the left side face of the fixed plate, and the left ends of the telescopic rod and the spring are fixedly connected to the right side face of the connecting plate.

As a further aspect of the present invention: the dustproof cap is made of rubber, and the inner diameter of the dustproof cap is matched with the diameter of the speed sensor body induction head.

As a further aspect of the present invention: the diameter of the limiting hole is smaller than that of the shell of the speed sensor body.

As a further aspect of the present invention: the right flank fixedly connected with sealing washer of an installation section of thick bamboo, the sealing washer adopts rubber to make, the sealing washer internal diameter is less than the internal diameter of an installation section of thick bamboo.

As a further aspect of the present invention: the shape of fixing base is the L type, and the upper surface of fixing base sets up threaded hole.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this speedtransmitter, through be provided with dustproof cap on the speedtransmitter body, utilize telescoping device's pulling force to drive the fixed plate and fix the speedtransmitter body, make its stable the fixing in an installation section of thick bamboo, the inductive head of speedtransmitter body stretches out the fixing base through dustproof cap this moment, carry out normal signal collection and response, reached like this to the speedtransmitter body effect dustproof and that protect, reduce the influence that the dust brought the speedtransmitter body, guaranteed the life of speedtransmitter body simultaneously.

2. This speedtransmitter, through setting up the telescoping device, when installing the speedtransmitter body, pulling the fixed plate right, in the installation section of thick bamboo was blocked to the one end of speedtransmitter body, the other end card was in spacing downthehole, loosens the fixed plate again, and the pulling force of telescoping device drives the fixed plate and can play the fixed speedtransmitter body of fixing in the installation section of thick bamboo left movement, makes things convenient for people to change the speedtransmitter body like this, has reduced the operation degree of difficulty.

3. This speedtransmitter, through setting up the sealing washer, because the internal diameter of sealing washer slightly is less than the internal diameter of an installation section of thick bamboo for when the speedtransmitter body was installed in an installation section of thick bamboo, the sealing washer received the extrusion and produced elastic deformation, had guaranteed that the sealing washer can seal the junction of speedtransmitter body and an installation section of thick bamboo, thereby played good dustproof effect.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a left-side view schematically illustrating the structure of the present invention;

fig. 3 is a structural schematic diagram of the sealing ring of the present invention viewed from the right;

in the figure: the device comprises a fixing seat 1, an installation barrel 2, a speed sensor body 3, a dustproof cap 4, a through hole 5, a limiting hole 6, a fixing plate 7, an expansion device 8, an expansion rod 81, a spring 82, a connecting plate 9, a sealing ring 10 and a threaded hole 11.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a technical solution: a speed sensor comprises a fixed seat 1, wherein the fixed seat 1 is L-shaped, a threaded hole 11 is formed in the upper surface of the fixed seat 1, the fixed seat 1 is conveniently and stably fixed on an automobile by people through the threaded hole 11, an installation cylinder 2 is fixedly connected above the right side surface of the fixed seat 1, a sealing ring 10 is fixedly connected to the right side surface of the installation cylinder 2, the sealing ring 10 is made of rubber, the inner diameter of the sealing ring 10 is smaller than that of the installation cylinder 2, through the arrangement of the sealing ring 10, as the inner diameter of the sealing ring 10 is slightly smaller than that of the installation cylinder 2, a speed sensor body 3 is installed in the installation cylinder 2, the sealing ring 10 is extruded to generate elastic deformation, the sealing ring 10 can seal the joint of the speed sensor body 3 and the installation cylinder 2, a good dustproof effect is achieved, and the speed sensor body 3 is, the left end of the speed sensor body 3 is clamped with a dustproof cap 4, the dustproof cap 4 is made of rubber, the inner diameter of the dustproof cap 4 is matched with the diameter of an induction head of the speed sensor body 3, dust can be prevented from falling on the induction head of the speed sensor body 3 by arranging the dustproof cap 4, the left end of the speed sensor body 3 is sealed, the dustproof cap 4 is clamped in a through hole 5, the through hole 5 is arranged above the right side surface of the fixing seat 1, the right end of the speed sensor body 3 penetrates through the limiting hole 6 and extends to the right side of the limiting hole 6, the limiting hole 6 is arranged on the side surface of the fixing plate 7, the diameter of the limiting hole 6 is smaller than that of a shell of the speed sensor body 3, and through the limiting hole 6, as the diameter of the limiting hole 6 is smaller than that of the shell of the speed sensor body 3, a lead connected with the speed sensor body 3 can penetrate through the, and speed sensor body 3 is fixed in installation section of thick bamboo 2 by fixed plate 7 is stable, the top and the below of fixed plate 7 left surface all pass through the right flank fixed connection of telescoping device 8 with connecting plate 9, telescoping device 8 includes telescopic link 81, spring 82 has been cup jointed on the surface of telescopic link 81, the equal fixed connection of right-hand member at fixed plate 7 of telescopic link 81 and spring 82, the equal fixed connection of left end at the right flank of connecting plate 9 of telescopic link 81 and spring 82, through setting up telescoping device 8, under telescoping device 8's telescopic action, make the side-to-side motion that fixed plate 7 can be nimble, utilize simultaneously telescoping device 8's pulling force to pass through fixed plate 7 to fix speed sensor body 3 in installation section of thick bamboo 2 stable, and the opposite face difference fixed connection of two connecting plates 9 is at the upper surface and the lower surface of installation section of thick bamboo.

The utility model discloses a theory of operation does:

during the use, people use the screwplate fixing base 1 to fix on the car, then stimulate fixed plate 7 right for can place speedtransmitter body 3 between fixed plate 7 and the installation section of thick bamboo 2, at this moment go into installation section of thick bamboo 2 to the one end card of speedtransmitter body 3 again, the other end card is in spacing hole 6, loosen fixed plate 7 by the pulling, the pulling force that telescoping device 8 produced drives fixed plate 7 and moves left, fixed plate 7 drives the stable fixing in installation section of thick bamboo 2 of speedtransmitter body 3.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A speed sensor, comprising a fixed seat (1), characterized in that: the utility model discloses a speed sensor, including fixing base (1), installation section of thick bamboo (2), be provided with speedtransmitter body (3) in the installation section of thick bamboo (2), the left end joint of speedtransmitter body (3) has dustproof cap (4), dustproof cap (4) joint is in through-hole (5), the top at fixing base (1) right flank is seted up in through-hole (5), the right-hand member of speedtransmitter body (3) passes spacing hole (6) and extends to the right side of spacing hole (6), the side at fixed plate (7) is seted up in spacing hole (6), the right flank fixed connection of telescoping device (8) and connecting plate (9) is all passed through to the top and the below of fixed plate (7) left flank, and the opposite face difference fixed connection of two connecting plates (9) is at the upper surface and the lower surface of installation section of thick bamboo (2).

2. A speed sensor according to claim 1, wherein: telescoping device (8) include telescopic link (81), spring (82) have been cup jointed on the surface of telescopic link (81), the equal fixed connection of right-hand member of telescopic link (81) and spring (82) is at the left surface of fixed plate (7), the equal fixed connection of left end of telescopic link (81) and spring (82) is at the right flank of connecting plate (9).

3. A speed sensor according to claim 1, wherein: the dustproof cap (4) is made of rubber, and the inner diameter of the dustproof cap (4) is matched with the diameter of the induction head of the speed sensor body (3).

4. A speed sensor according to claim 1, wherein: the diameter of the limiting hole (6) is smaller than that of the shell of the speed sensor body (3).

5. A speed sensor according to claim 1, wherein: the right flank fixedly connected with sealing washer (10) of installation section of thick bamboo (2), sealing washer (10) adopt rubber to make, sealing washer (10) internal diameter is less than the internal diameter of installation section of thick bamboo (2).

6. A speed sensor according to claim 1, wherein: the fixing seat (1) is L-shaped, and a threaded hole (11) is formed in the upper surface of the fixing seat (1).