CN202541226U

CN202541226U - Tire pressure alarm

Info

Publication number: CN202541226U
Application number: CN201220182828XU
Authority: CN
Inventors: 汤冬兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-26
Filing date: 2012-04-26
Publication date: 2012-11-21
Anticipated expiration: 2022-04-26

Abstract

The utility model provides a tire pressure alarm, comprising a base, an air chamber, a transparent mirror, a first PCB (Printed Circuit Board) and a second PCB which are arranged in a shell. The tire pressure alarm provided by the utility model is convenient to install, pressure can be changed freely, batteries can be replaced, the service life is long, the cost is low, the accuracy is high, the caution is visually, the shortage of tire pressure can be found easily in time, and the driving safety is improved. The fuel consumption is reduced, and the tire wear is reduced.

Description

A kind of tire pressure annunciator

Technical field

The utility model relates to technical field of automotive electronics, particularly a kind of tire pressure annunciator.

Background technology

A kind of tire pressure annunciator that provides in the prior art is a kind of electronic sensor, by electronic circuit form, cost is high, error big and install loaded down with trivial details.

The another kind of tire pressure warning device that provides in the prior art is in spring; Or mechanical sensing in the form of piston, no electronic circuit is formed, and reporting to the police intuitively is not that the change color of observing product is judged tire pressure; And the user can not set alarm pressure; The fixedly alarm pressure that dispatches from the factory, range of use is wideless, and is poor for applicability.

The utility model content

The utility model provides the tire pressure that a kind of precision is high, easy to assembly, cost is low and practical annunciator.

To achieve these goals, the utility model provides following technical scheme:

A kind of tire pressure annunciator; It comprises: shell 13, base 15, air chamber 12, diaphanoscope 1, battery spring lamination 6, first pcb board 8 and second pcb board 3, and said base 15, air chamber 12, diaphanoscope 1, first pcb board 8 and second pcb board 3 all are arranged in the said shell 13;

Said base 15 upper ends are provided with first pore 35 and to the projection 34 of lower convexity, the outer ring of said projection 34 is with first rubber cushion 18;

Air chamber wall and barrier film seat 11 and switch barrier film 10 form air chamber 12; Said base 15 is arranged on the below of air chamber 12; Said switch barrier film 10 contacts with said barrier film seat 11; Said air chamber 12 upper ends are provided with through hole, and the lower end of said air chamber 12 is provided with second pore 32, and the upper surface of said projection 34 is provided with second rubber cushion 17; Said second rubber cushion 17 is sealed on said second pore 32;

Nut 7 covers said air chamber 12; And the lower end of this nut 12 is fastened on the said base 15; The upper end medial surface of said nut 7 is provided with seal strip 9, and said seal strip 9 contacts with first pcb board 8, and said first pcb board 8 is between said seal strip 9 and said switch diaphragm 10;

The lower end of said battery spring lamination 6 is provided with spring 31; Be with glue post 19 in the said spring; Said glue post 19 passes the nut bore of said nut 7 and conflicts on said first pcb board 8; Said battery spring lamination 6 tops are provided with battery compartment 4, and the top of said battery compartment 4 is provided with second pcb board 3, and the top of said second pcb board 3 is provided with translucent cover 1.

Preferably, be provided with the 3rd rubber cushion 16 between the lower end of said nut 12 and the said base 15.

Preferably, said second pcb board 3 is provided with alarm lamp 36.

Preferably, also be provided with battery cover 5 and bolt 2 in the said battery compartment 4.

Preferably, said shell 13 outsides also are with antitheft part 14.

Preferably, said first pcb board 8 is provided with the 3rd pore 33.

Through implementing above technical scheme, has following technique effect: the tire pressure annunciator that the utility model provides, freely the changing and battery altering of easy for installation and pressure; Long service life; Cost is low, precision is high, caution is directly perceived, is prone in time find the deficiency of tire pressure, improves traffic safety.Lower oil consumption, reduce wear on tyres.

Description of drawings

Fig. 1 is the structure assembly drowing of the tire pressure annunciator of the utility model;

Fig. 2 is the electrode constructional drawing partly of the tire pressure annunciator of the utility model;

Fig. 3 is the air chamber constructional drawing partly of the tire pressure annunciator of the utility model;

Fig. 4 is the constructional drawing of base portion of the tire pressure annunciator of the utility model;

Fig. 5 is the application principle figure of the tire pressure annunciator of the utility model;

Fig. 6 is the Another Application schematic diagram of the tire pressure annunciator of the utility model;

Fig. 7 is the constructional drawing of withdrawing device of the tire pressure annunciator of the utility model.

The specific embodiment

In order better to understand the technical scheme of the utility model, describe the embodiment that the utility model provides in detail below in conjunction with accompanying drawing.

The utility model embodiment provides a kind of tire pressure annunciator; Like Fig. 1-shown in Figure 7; Comprise: shell 13, base 15, air chamber 12, diaphanoscope 1, battery spring lamination 6, first pcb board 8 and second pcb board 3, said base 15, air chamber 12, diaphanoscope 1, first pcb board 8 and second pcb board 3 all are arranged in the said shell 13.

As shown in Figure 4, said base 15 upper ends are provided with first pore 35 and to the projection 34 of lower convexity, the outer ring of said projection 34 is with first rubber cushion 18.

As shown in Figure 3; Air chamber wall and barrier film seat 11 and switch barrier film 10 form air chamber 12; Said base 15 is arranged on the below of air chamber 12, and said switch barrier film 10 contacts with said barrier film seat 11, and said air chamber 12 upper ends are provided with through hole; The lower end of said air chamber 12 is provided with second pore 32, and the upper surface of said projection 34 is provided with second rubber cushion 17; Said second rubber cushion 17 is sealed on said second pore 32.

As shown in Figure 1; Nut 7 covers said air chamber 12, and the lower end of this nut 7 is fastened on the said base 15, and the upper end medial surface of said nut 7 is provided with seal strip 9; Said seal strip 9 contacts with first pcb board 8, and said first pcb board 8 is between said seal strip 9 and said switch diaphragm 10.

As shown in Figure 2; The lower end of said battery spring lamination 6 is provided with spring 31; Be with glue post 19 in the said spring, said glue post 19 passes the nut bore of said nut 7 and conflicts on said first pcb board 8, and said battery spring lamination 6 tops are provided with battery compartment 4; The top of said battery compartment 4 is provided with second pcb board 3, and the top of said second pcb board 3 is provided with translucent cover 1.

In other embodiments, on the foregoing description basis, further, be provided with the 3rd rubber cushion 16 between the lower end of said nut 7 and the said base 15.

In other embodiments, on the foregoing description basis, further, said second pcb board 3 is provided with alarm lamp 36.

In other embodiments, on the foregoing description basis, further, also be provided with battery cover 5 and bolt 2 in the said battery compartment 4.

In other embodiments, on the foregoing description basis, further, said shell 13 outsides also are with antitheft part 14.

In the above-described embodiments, this diaphanoscope 1 is used for protecting this second pcb board 3, with waterproof and dustproof and printing opacity, this diaphanoscope 1 through bolt 2 as: four corner bolts are fixed on second pcb board 3, and bolt 2 also is connected with the positive pole of second pcb board 3.The negative pole of second pcb board 3 is connected with the negative pole of battery in the battery compartment 4.This battery cover 5 is used for preventing that the positive pole of battery from contacting with bolt 2, and battery spring lamination 6 is connected with the positive pole of battery.

Nut 7 contacts with seal strip 9, and seal strip 9 contacts to prevent pressure leakages with first pcb board 8, and switch barrier film 10 contacts with barrier film seat 11, switch barrier film 10 and air chamber wall weld together.Air chamber 12 is assembled together with nut 7, make nut 7 with 12 pairs of pinnings of this air chamber on base 15.

The 3rd rubber cushion 16 is connected with base 15, with the sealing tire pressure, prevents the tire gas leak.First rubber cushion 18 is connected with 15 bases, and is connected with the automobile valve.During use, these base 15 teeth are locked on the automobile valve, form the connection of tire gas, and two first pores 35 are arranged on the base.

Base 15 connects the automobile valve, makes in this air chamber 12 of gas flow, and the 3rd rubber cushion 16 prevents gas leak, and seal strip 9 prevents gas leak.Make pressure in the air chamber 12 consistent with automobile pressure, can use in second special tool, the 21 downward insertion nuts 7 as shown in Figure 7; Clockwise direction tightens; Make that air chamber 12 is connected with second rubber cushion 17, blanketing gas in air chamber 12, make air chamber 12 pressure consistent with automotive tire pressure.Use special tool 20 to entangle diaphanoscope 1 clockwise direction and tighten, air chamber 12 is connected with second rubber cushion 17, blanketing gas makes air chamber 12 pressure consistent with automotive tire pressure in air chamber 12.The method nut 7 is not with outer tooth.Inhour is unclamped nut 7, repeats the replaceable different pressure of above operation.

Like Fig. 5 and shown in Figure 6; When tire pressure descends; Switch barrier film 10 raises up and contacts with first pcb board 8, and the positive pole of first pcb board 8 contacts with battery spring lamination 6, and the positive pole of this first pcb board 8 contacts with shell 13; Form anodal loop, alarm lamp 2 flicker or the wireless transmission signal in second pcb board 3.Recover just often at tire pressure, 10 reinstatements of switch barrier film, anodal loop is closed, and alarm lamp 2 does not glimmer, and does not wirelessly launch.

The 3rd pore 33 on first pcb board 8 is when air chamber 13 has pressure, plays the row pressure effect, makes switch barrier film 10 convexities.The 3rd pore 33 of first pcb board 8 is connected with glue post 19, prevents that tire pressure from leaking thereby seal the 3rd pore 33.

Antitheft part 14 is enclosed within outside the shell 13, and to prevent free-hand this device of dismounting, removing and installing must be with first special tool 20.

More than a kind of tire pressure annunciator that the utility model embodiment is provided carried out detailed introduction; For one of ordinary skill in the art; Thought according to the utility model embodiment; The part that on the specific embodiment and field of application, all can change, in sum, this description should not be construed as the restriction to the utility model.

Claims

1. tire pressure annunciator; It is characterized in that; Comprise: shell (13), base (15), air chamber (12), diaphanoscope (1), battery spring lamination (6), first pcb board (8) and second pcb board (3), said base (15), air chamber (12), diaphanoscope (1), first pcb board (8) and second pcb board (3) all are arranged in the said shell (13);

Said base (15) upper end is provided with first pore (35) and to the projection (34) of lower convexity, the outer ring of said projection (34) is with first rubber cushion (18);

Air chamber wall and barrier film seat (11) and switch barrier film (10) form air chamber (12); Said base (15) is arranged on the below of air chamber (12); Said switch barrier film (10) contacts with said barrier film seat (11); Said air chamber (12) upper end is provided with through hole, and the lower end of said air chamber (12) is provided with second pore (32), and the upper surface of said projection (34) is provided with second rubber cushion (17); Said second rubber cushion (17) is sealed on said second pore (32);

Nut (7) covers said air chamber (12); And the lower end of this nut (7) is fastened on the said base (15); The upper end medial surface of said nut (7) is provided with seal strip (9); Said seal strip (9) contacts with first pcb board (8), and said first pcb board (8) is positioned between said seal strip (9) and the said switch diaphragm (10);

The lower end of said battery spring lamination (6) is provided with spring (31); Be with glue post (19) in the said spring; Said glue post (19) passes the nut bore of said nut (7) and conflicts on said first pcb board (8); Said battery spring lamination (6) top is provided with battery compartment (4), and the top of said battery compartment (4) is provided with second pcb board (3), and the top of said second pcb board (3) is provided with translucent cover (1).

2. tire pressure annunciator according to claim 1 is characterized in that, is provided with the 3rd rubber cushion (16) between the lower end of said nut (7) and the said base (15).

3. tire pressure annunciator according to claim 1 or claim 2 is characterized in that said second pcb board (3) is provided with alarm lamp (36).

4. tire pressure annunciator according to claim 1 or claim 2 is characterized in that, also is provided with battery cover (5) and bolt (2) in the said battery compartment (4).

5. like the said tire pressure annunciator of claim 4, it is characterized in that said shell (13) outside also is with antitheft part (14).

6. tire pressure annunciator according to claim 1 or claim 2 is characterized in that said first pcb board (8) is provided with the 3rd pore (33).