CN201407473Y

CN201407473Y - Two-way deformation membrane type quantitative throttling automatic oiling device

Info

Publication number: CN201407473Y
Application number: CN2009200190903U
Authority: CN
Inventors: 滕世进; 苏青
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-18
Filing date: 2009-02-18
Publication date: 2010-02-17
Anticipated expiration: 2019-02-18

Abstract

The utility model relates to a two-way deformation membrane type quantitative throttling automatic oiling device, which uses a control circuit formed by a singlechip drives a stepper motor at certaintimes to drive a throttling rotor (5) to rotate, so that a throttling deformation membrane (3) generates elastic deformation by the driving of oiling pressure to discharge the oil in a throttling quantitative cavity (4) to achieve the functions of quantitative oiling quantity per unit, oiling switch control and once oiling quantity control, and the precision of oiling quantity control is improved;and a pressure spring (13 ) stores energy to provide oiling pressure, and the electric energy of a control system only provides the power for allowing the throttling rotor (5) to rotate and does notprovide the power of oiling pressure any longer, so that the control power consumption is greatly reduced, and thereby, the advantages of accurate timing, precise quantitative automatic oiling and control power consumption reduction can be achieved.

Description

The bidirectional deformation membrane type quantizes the throttling self oil feeder

Affiliated field

The utility model relates to a kind of self oil feeder, and particularly a kind of bidirectional deformation membrane type quantizes the throttling self oil feeder.

Technical background

Existing self oil feeder generally adopts time circuit control motor driven gear speed change pushing mechanism generation pressure that oil pressure is gone out, produce the control that quantitative propelling length extrusion piston is realized oil filling amount by the screw rod rotation angle after the speed change or all numbers, oil filling amount control inaccuracy, and all oiling pressure is all provided by motor generation mechanical rotation by the battery of control system, power consumption is big, and battery is short working life.

Summary of the invention

In order to overcome above-mentioned defective, the utility model proposes a kind of utilization is provided oiling pressure, is utilized the bidirectional deformation membrane type to quantize the new type auto oil gun that throttle mechanism is realized quantitative oiling by spring energy-storage, oil filling amount control accurately, and the step motor drive throttling rotor rotation of only supplying with the electric energy of its control system just can realize quantitative oiling switch control, power consumption is economic, prolong the working life of battery greatly, improved the functional reliability of oil gun.

The technical scheme in the invention for solving the technical problem is: utilize pressure spring to produce oiling pressure, the control circuit timing drive stepping motor that utilization is made up of single-chip microcomputer promotes the throttling rotor rotation makes the generation elastic strain under the promotion of oiling pressure of throttling deformation film that the oil that throttling quantizes in the chamber is ejected the control that realizes unit oil filling amount quantification, the control of oiling switch and an oiling quantity, reaches accurate timing, accurate quantification automatic oiling and reduction and controls the power consumption purpose.

The beneficial effects of the utility model are: owing to adopted the bidirectional deformation membrane type to quantize the control that throttle mechanism has been realized the unit oil filling amount, the validity of oil filling amount control is improved; Because the electric energy of control system only provides the rotation required drive of throttling rotor, the power of oiling pressure no longer is provided, the control power consumption is significantly reduced, thereby obtain accurate timing, accurate quantification automatic oiling and reduce the beneficial effect of controlling power consumption.

Description of drawings:

Fig. 1 is a perspective view of the present utility model.

Fig. 2 be Fig. 1 face complete section figure.

Fig. 3 is the B-B sectional view of Fig. 1.

Fig. 4 is a control circuit schematic diagram of the present utility model.

Reference character: pump nozzle (1), throttle mechanism urceolus (2), throttling deformation film (3), throttling quantize chamber (4), throttling rotor (5), check fuel filler neck (6), check valve (7), check spring (8), threeway oil outlet tube (9), oil storage tank (10), oil storage tank inner chamber (11), pressurizing piston (12), pressing spring (13), circuit board (14), stepper motor (15), motor gear (16), exteranl gear (17), rotor footstalk (18).

Embodiment

Below in conjunction with drawings and Examples the utility model is further specified:

Pressurizing piston (12) is installed in the oil storage tank (10), and pressurizing piston (12) can longitudinal sliding motion in oil storage tank inner chamber (11); In pressurizing piston (12) top pressing spring (13) is installed, the upper base of the upper end of pressing spring (13) and oil storage tank (10) offsets, the lower end of pressing spring (13) and pressurizing piston (12) offset and produce downward pressure, make pressurizing piston (12) produce the trend that moves downward, thereby in oil storage tank inner chamber (11), produce pressure; The upper and lower end of threeway oil outlet tube (9) is connected with oil storage tank (10) and throttle mechanism urceolus (2) respectively and outer wall is connect mutually; Device has throttling rotor (5) in throttle mechanism urceolus (2), and throttling rotor (5) can rotate in throttle mechanism urceolus (2) and have sealing function at all interfaces.Throttling rotor (5) is provided with throttling and quantizes chamber (4), and throttling quantizes the interior device in chamber (4) throttling deformation film (3), and longitudinal elasticity deformation can take place in throttling quantizes chamber (4) throttling deformation film (3); Throttling rotor (5) is provided with rotor footstalk (18), and exteranl gear (17) is installed on the rotor footstalk (18); Circuit board (14) is attached on the throttle mechanism urceolus (2), and stepper motor (15) is installed on the circuit board (14), and stepper motor (15) is provided with motor gear (16), and motor gear (16) is meshed with exteranl gear (17).Like this, when stepper motor (15) rotates, just can drive throttling rotor (5) and in throttle mechanism urceolus (2), rotate.When rotating and work as throttling, throttling rotor (5) quantizes the suitable for reading and threeway oil outlet tube (9) in chamber (4) to timing, oil in the oil storage tank inner chamber (11) will be extruded in the threeway oil outlet tube (9) and enter in the amount of restriction chamber (4), at this moment, under the effect of pressing spring (13), pressurizing piston (12) can move downward, make the oil in the oil storage tank inner chamber (11) continue to enter in the throttling quantification chamber (4), promote throttling deformation film (3) elastic strain takes place downwards, to seal up for safekeeping at the oil pressure of throttling quantification chamber (4) hypomere to go in the pump nozzle (1), to realize oiling operation to lubricated system.When elastic strain took place downwards throttling deformation film (3) and be attached to throttling quantification bottom, chamber (4), throttling deformation film (3) exported shutoff with the lower end that throttling quantizes chamber (4), finished once the quantitatively process of oiling.

When need once more during oiling, control circuit can make stepper motor (15) energising rotate, promote throttling rotor (5) Rotate 180 ° again, promptly repeat aforesaid operations again, finish the oiling process once more one time, realized only driving throttling rotor (5) rotate make throttling deformation film (3) under oiling pressure promotes, take place elastic strain throttling is quantized oil in the chamber (4) discharge can the unit's of finishing oil filling amount quantize, the function of the control of oiling switch and an oiling quantity control, thereby reached accurate timing, accurate quantitative automatic oiling and reduced the beneficial effect of control power consumption.

Check fuel filler neck (6) is connected with threeway oil outlet tube (9) and outer wall is connect mutually; Device has check valve (7) in the check fuel filler neck (6), and check valve (7) offsets with an end of check spring (8), and the other end of check spring (8) is butted on the outer wall of threeway oil outlet tube (9); Because the elastic force effect of check spring (8), check valve (7) can be close to the passing position of check fuel filler neck (6) with check fuel filler neck (6) and threeway oil outlet tube (9) blocking-up.During non-refuelling, pressure in the threeway oil outlet tube (9) is greater than the pressure of check fuel filler neck (6) outer end, the elastic force acting in conjunction of this pressure and check spring (8) is on check valve (7), with the passing position shutoff of check fuel filler neck (6), can not make oily excessive in oil storage tank inner chamber (11) and the threeway oil outlet tube (9); When being connected the last oiling of check fuel filler neck (6) with high pressure refueling equipment, the pressure that the pressure of check fuel filler neck (6) outer end produces check valve (7) is greater than the pressure of the pressure in the threeway oil outlet tube (9), in the oil storage tank inner chamber (11) with the elastic force acting in conjunction generation of check spring (8), check valve (7) is (Fig. 2) motion to the right, open the passing position of check fuel filler neck (6), make check fuel filler neck (6) and oil storage tank inner chamber (11) form connected state, finish refueling process.

Below in conjunction with Fig. 4 electric principle of the present utility model is illustrated:

Among Fig. 4, CPU-ATtiny13 is a main control chip, and this chip is the senior risc architecture single-chip microcomputers of 8 AVR of low power consumption, has 1K bytes Flash, 64 byte EEPROM, 64 byte SRAM and 6 two-way I/O ports of general digital, and is powerful; IC1-JST315 is the special-purpose receiving module of 315MHz, can receive, amplify the 315MHz high-frequency carrier signal and can demodulate square-wave pulse from the output of TADA end; IC2, IC3 are the special-purpose integrated package-L9110 of stepper motor two passage push-pull mode power amplifications.Two input end IA, IB of this chip have the performance of TTL/CMOS level compatibility, and two output terminal OUTA, OUTB have the ability of permanent load 800mA electric current, and Peak current can reach 1000mA-1500mA.

As seen from Figure 4, the step-by-step impulse of the PB0 of CPU～PB3 output Transistor-Transistor Logic level triggers IA, the IB end of IC2, IC3 respectively, and after amplifying, the OUTA of IC2, IC3, OUTB end drive stepping motor YZ rotates; The PB4 end of CPU is connected with the output terminal TADA of IC1 by resistance R, is used to receive the user individual configuration information.IC1 send PB4 by the TADA end through R with the square-wave pulse series that demodulates, CPU is by the width of square wave that PB4 is received and the analysis of whole sequence, just can obtain corresponding address information, command information and data information, and the user profile that will belong to native system exists among the EEPROM in the sheet.After the customized information setting is finished, system will finish automatic control process according to this information by starting time that limits and the work of rotation step pitch drive stepping motor.The PB4 end of CPU also is connected to buzzer DY by capacitor C, and cue responses when being used to set user information.

Claims

1. the bidirectional deformation membrane type quantizes the throttling self oil feeder and quantizes chamber (4), throttling rotor (5), oil storage tank (10), pressurizing piston (12), pressing spring (13), stepper motor formations such as (15) by pump nozzle (1), throttle mechanism urceolus (2), throttling deformation film (3), throttling, it is characterized in that: throttling rotor (5) is provided with throttling and quantizes chamber (4), and device has throttling deformation film (3) in throttling quantification chamber (4).