CN2846800Y

CN2846800Y - Pressure regulation controller for air compressor

Info

Publication number: CN2846800Y
Application number: CN 200520108699
Authority: CN
Inventors: 陈上峰
Original assignee: HENGYANG QIANLI AUTOMOBILE PART MANUFACTURING Co Ltd
Current assignee: HENGYANG QIANLI AUTOMOBILE PART MANUFACTURING Co Ltd
Priority date: 2005-06-07
Filing date: 2005-06-07
Publication date: 2006-12-13
Anticipated expiration: 2015-06-07

Abstract

The utility model relates to a pressure regulation controller for an air compressor. The utility model is provided with a casing, the top end of the casing is provided and a terminal plate connected with a motor and a forcing switch, and a side casing is arranged at one side of the casing. A piston is arranged in the side casing, and the casing is mutually connected with an air storage reservoir by a pipeline. The side casing is mutually connected with a pump and the air storage reservoir by pipelines, and filtering materials are arranged in the pipelines. When the pressure of the compressed air in the air storage reservoir is overlarge, the motor of the driving pump can be closed, and the piston can be pushed out, thus, the compressed air from the pump passes through the filtering materials and is discharged from the side casing, and the damage of the pump is avoided.

Description

The pressure regulating controller of air compressor

Technical field

The utility model is a kind of pressure regulating controller of air compressor, and being provides a kind of motor and pressure regulating controller that the gas that pump pressurizeed is released of can closing when the gas receiver internal air pressure is excessive.

Background technique

Use pressurized gas to serve as power resources in all trades and professions and had many years, and the generation of pressurized gas main be to rely on gas pressurized to be pumped to a gas receiver by the pump that motor drove, yet after after a while, compression pressure in the reservoir tube can reach certain high pressure, this high pressure can stop that pump pumps pressurized gas to gas receiver, therefore pressurized gas will be back to pump inside, and cause the pump internals to damage, take place for fear of aforesaid situation, pump and gas receiver can interconnect with a pressure switch, make the gas pressure in the gas receiver be maintained at certain value by pressure switch, so avoid the damage of pump.

Existing pressure switch, please cooperate shown in Figure 6, it has a pedestal 70, the bottom of pedestal 70 interconnects with a pipeline and a gas receiver, the top end of pedestal 70 is provided with a terminal base 71, the top of terminal base 71 interconnects with power line and a motor and power supply respectively, be provided with in the terminal base 71 one with spring 73 reeds 72 of pushing and pressing mutually, one end of reed 72 can be arranged at the sensitive switch 76 that terminal base 71 supports end and be in contact with one another, the end in addition of reed 72 extends to the outside of terminal base 71, side in pedestal 70 is installed with a gas bleeder valve 74, the top of gas bleeder valve 74 is interconnected by the pump that motor drove with pipeline and, and being pivoted with a tommy bar 75 in another side of pedestal 70, it is inner and between reed 72 and pedestal 70 that an end of tommy bar 75 extends to terminal base 71.

Please cooperate shown in Figure 7, when the pressure in the gas receiver is excessive, high pressure air is known from experience via in the pipeline inlet end stroma 70, and actuating spring 72 moves upward, and sensitive switch 76 is pushed terminal base 71 inside, and then force motor and power supply formation to be opened circuit, motor will be closed, the end that reed 72 extends to terminal base 71 outsides can push against mutually with the bottom of gas bleeder valve 74, and makes gas bleeder valve 74 form opening state.

Before will be discharged by gas bleeder valve 74 places that are opening state, and make superheated steam can't be back to pump inside by this by the gas that pump pressurizeed, and then the member of protection pump inside.

But existing pressure switch is made of considerable finding, therefore its cost of production is higher, in addition, when motor running, can make the whole strenuous vibration that produces of air compressor, these vibrations can influence the stability of force value, therefore can influence the strength that pushes against mutually between reed 72 and the spring 73, so being subjected to the reed 72 of strenuous vibration can be in not carrying out pressure release to the situation of high pressure, moreover, there is no between gas bleeder valve 74 and the pump and be provided with any filtrating equipment, so the suspended material that gas bleeder valve 74 is easy to be subjected in the gas blocks, and cause can't pressure release.

The model utility content

Because existing pressure switch has aforesaid drawbacks, the utility model provides a kind of pressure regulating controller of air compressor, it has a housing, the top of housing is provided with terminal plate, side in housing is provided with a side body, in side body, be provided with piston, and housing interconnected with a pipeline and a gas receiver, side body interconnects with pipeline and a pump and gas receiver, and is provided with filter material in pipeline, when the compression pressure in the gas receiver is excessive, the motor of driven pump will be closed, and piston will be pushed, and the superheated steam that makes self-pumping is again by behind the filter material, and is released by the side body place, avoid the damage of pump by this, and the gas by filter material, its suspended material filters, so side body does not have the situation of obstruction, and the utility model only is made up of several simple and easy members, so its manufacture cost is lower, the utility model is driven by pressurized gas, so the air compressor of concuss can not influence its pressure release value.

That is to say that the purpose of this utility model is to provide a kind of pressure regulating controller of air compressor, it has:

One housing, it is provided with perforation, is provided with groove in a side of housing, and the bottom of groove is provided with guide hole, and guide hole communicates with perforation;

One side shell, it is the groove location place that is arranged at housing, be provided with piston chamber in the side body, piston chamber is provided with the bar hole away from an end of housing, is provided with one in the piston chamber by the piston that spring pushed against, and the end in addition of spring pushes against mutually with the edge in bar hole, piston is formed with the body of rod away from a distal process of housing, the side of the body of rod is provided with the necking section, and the bottom of side body is provided with inlet hole, and inlet hole communicates with piston chamber.

The pressure regulating controller of the air compressor that the utility model provides, it has a housing, and it is provided with perforation, is provided with tank in the top of housing, and tank communicates with perforation, is provided with groove in a side of housing, and the bottom of groove is provided with guide hole, and guide hole communicates with perforation;

One loam cake, it is that the housing top end is set, and is provided with groove in loam cake with respect to the end of the tank of housing, the bottom end of groove is interval with fixed hole;

One upper terminal sheet, it is the place, one fixed hole position that is arranged at loam cake, and an end of upper terminal sheet extends to the loam cake top by the fixed hole place, and end extends in the groove of loam cake in addition, and is connected with reed in this end;

One lower terminal sheet, it is another place, fixed hole position that is arranged at loam cake, and an end of lower terminal sheet extends to the loam cake top by the fixed hole place, and end extends in the groove of loam cake in addition, and is formed with contact in this distal process, and the reed of contact and upper terminal sheet is in contact with one another;

One pushes away seat, it is to be arranged between the groove of the tank of housing and loam cake, pushes away seat and is provided with tank with respect to the tank position of housing, pushes away seat and is provided with perforation with respect to the position of the reed of upper terminal sheet, be provided with slide bar in the perforation, an end of slide bar changes and extends in the tank that pushes away seat;

When using, the perforation of housing is interconnected with a pipeline and a gas receiver, the inlet hole of side body interconnects with pipeline and a pump and gas receiver, and is provided with a filter material in this pipeline.

When the air pressure in the gas receiver is higher than certain value, high pressure air cognition in the gas receiver enters in the housing via pipeline, and promotion upper reed plate and following reed, upper reed plate can promote slide bar, the slide bar that is pushed can push away the reed of upper terminal sheet the contact place of lower terminal sheet, and integrated circuit forms a situation about opening circuit, and makes motor shut down.

And high pressure air cognition enters in the piston chamber via guide hole, promotes piston, and the necking section of the body of rod is pushed in the bar hole, and the gas that pump compressed will enter in the piston chamber via inlet hole, arrives the outside via the necking section again, reaches the purpose of pressure release.

The utility model only is made up of the simple and easy member of number, so its manufacture cost is lower, and the gas by filter material, its suspended material is filtered, so side body does not have the situation of obstruction, the utility model is after promoting piston by pressurized gas, and the program of carrying out pressure release, so air compressor produces concuss, can not influence its pressure release value.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is a sectional drawing of the present utility model.

Fig. 4 is an action generalized section of the present utility model.

Fig. 5 is that the utility model and pump and gas receiver interconnect the signal reference drawing.

Fig. 6 is the floor map of existing pressure switch.

Fig. 7 is the planar gesture schematic representation of existing pressure switch.

Embodiment

The utility model is a kind of pressure regulating controller of air compressor, please cooperate with reference to figure 1～shown in Figure 3, it has a housing 10, and housing 10 is provided with a perforation 11, be provided with a tank 12 in the top of housing 10, tank 12 communicates with perforation 11, is provided with a packing ring 121 in the tank 12, uses preventing that pressurized gas from releasing, side at housing 10 is provided with a groove 13, the bottom of groove 13 is provided with a guide hole 14, and guide hole 14 communicates with perforation 11, and four edges on housing 10 tops are respectively equipped with a screw 15;

One loam cake 20, its screw 15 positions with respect to housing 10 are provided with perforation 21, are provided with a groove 22 in loam cake 20 with respect to the end of the tank 12 of housing 10, and the bottom end of groove 22 is interval with two fixed holes 23;

One upper terminal sheet 24, it is to be arranged at one fixed hole 23 positions, one end of upper terminal sheet 24 extends to loam cake 20 tops by fixed hole 23 places, end extends in the groove 22 of loam cake 20 in addition, and be connected with a rubber-like reed 241 in this end, be L shaped lamellar body and make upper terminal sheet 24 form a section;

One lower terminal sheet 25, it is to be arranged at another fixed hole 23 positions, one end of lower terminal sheet 25 extends to loam cake 20 tops by fixed hole 23 places, end extends in the groove 22 of loam cake 20 in addition, and be formed with contact 251 in this distal process, contact 251 is in contact with one another with the reed 241 of upper terminal sheet 24, and lower terminal sheet 25 is that a section is L shaped lamellar body;

Number fixed block 26 runs through perforation 21 respectively, and solid with screw 15 mutual spiral shells, by this loam cake 20 is fixed in the top end of housing 10;

One pushes away seat 30, it is to be arranged between the groove 22 of the tank 12 of housing 10 and loam cake 20, push away seat 30 sides and be provided with tank 34 with respect to groove 22, push away seat 30 positions and be provided with a perforation 31 with respect to reed 241, be provided with a slide bar 35 in perforation 31, an end of slide bar 35 changes and extends in the tank 34;

One upper reed plate 32 and reed 33 once, it is to be arranged at tank 12 and to push away between 30;

One side body 40, it is groove 13 positions that are arranged at housing 10, in present embodiment, side body 40 mutually combines in the solid mode of spiral shell with groove 13, in addition, side body 40 can be different ways such as bonding with the means of fixation of groove 13, and this mode is that tool knows that usually the knowledgeable can finish easily in the affiliated technical field, so do not give unnecessary details;

Be provided with a piston chamber 41 in the side body 40, piston chamber 41 is provided with a bar hole 42 away from an end of housing, side body 40 is provided with a valve body 46 with respect to the position in bar hole 42, between valve body 46 and bar hole 42, be provided with a packing ring 461, use and prevent that high-pressure air is by releasing in the side body 40, be provided with a piston 43 that is pushed against by spring 44 in the piston chamber 41, the end in addition of spring 44 pushes against mutually with the edge in bar hole 42, piston 43 is arranged with a packing ring 433, piston 43 is formed with a body of rod 431 away from a distal process of housing 10, the bar of the body of rod 431 directly equals the aperture in bar hole 42, the body of rod 431 is extended to by 42 places, bar hole in the valve body 46 of side body 40, and the side of the body of rod 431 is provided with a necking section 432;

Be provided with an inlet hole 45 in the bottom of side body 40 in addition, inlet hole 45 communicates with piston chamber 41;

One force switch 50, it is to interconnect with power line and upper terminal sheet 24 and lower terminal sheet 25, force switch 50 is between housing 10 and side body 40;

One cap 51, it is the top end that is arranged at loam cake 20, and the end cap that upper terminal sheet 24 and lower terminal sheet 25 protrude in loam cake 20 is overlying in the cap 51.

When reality is used, please cooperate with reference to shown in Figure 5, the perforation 11 of housing 10 interconnects with a pipeline and a gas receiver 60, and the inlet hole 45 of side body 40 interconnects with pipeline and a pump 61 and gas receiver 60, and is provided with a filter material 62 in this pipeline.

The gas that pump 61 is pressurizeed can enter in the gas receiver 60 via a pipeline and an one-way valve 63, and the function of one-way valve 63 is to prevent that the pressurized gas adverse current that enters in the gas receiver 60 is back to pump 61.

Please cooperate with reference to shown in Figure 4, when the air pressure in the gas receiver 60 is higher than certain value, high pressure air cognition in the gas receiver 60 enters in the housing 10 via pipeline, and promotion upper reed plate 32 and following reed 33, upper reed plate 32 can promote slide bar 35, the slide bar that is pushed 35 can push away the reed 241 of upper terminal sheet 24 contact 251 places of lower terminal sheet 25, so makes integrated circuit form a situation about opening circuit, and then makes and interconnect with force switch 50 and the motor of driven pump shuts down.

Simultaneously, high pressure air cognition enters in the piston chamber 41 via guide hole 14, the air pressure that is adjacent to an end of guide hole 14 this moment in the piston chamber 41 can be adjacent to an end in bar hole 42 greater than piston chamber 41, so piston 43 can be promoted by the extreme direction towards bar hole 42, and the necking section 432 that makes the body of rod 431 is pushed in the bar hole 42, because the size of necking section 432 is less than the aperture in bar hole 42, the gas that elder generation's front pump 61 is compressed will enter in the piston chamber 41 via inlet hole 45, arrive the outside via necking section 432 and valve body 46 again, so reach the purpose of pressure release.

Please cooperate again with reference to shown in Figure 3, after the air pressure in the gas receiver 60 is lower than certain value, gas in the gas receiver 60 can't promote upper reed plate 32 and following reed 33, upper reed plate 32, following reed 33 can be got back to initial position with slide bar 35, and the reed 241 and the contact 251 of lower terminal sheet 25 are in contact with one another once more, and make integrated circuit form a path once more, motor is activated once more, this moment piston chamber 41 be adjacent to the air pressure of an end in bar hole 42 can be greater than an end that is adjacent to guide hole 14 in the piston chamber 41, piston 43 can be pushed back initial position by spring 44, the body of rod 431 is closed rod hole 42 once more, simultaneously, the gas that comes self-pumping 61 to be pressurizeed can enter in the gas receiver 60 via pipeline once more, and after the air pressure when gas receiver 60 surpassed certain value, pressurized gas will be via the pressure release once more of aforesaid approach.

In addition, motor can be forced to that switch 50 cuts out or can use force switch 50 to cut out motor when the reed 241 of upper terminal sheet 25 loses efficacy, and each member that so can avoid air compressor can not resist the factor of knowing to damage because of excessive gas pressure or other.

Comprehensive above institute says that the utility model is after promoting piston 43 by pressurized gas, and the program of carrying out pressure release, even air compressor produces concuss because of running, its pressure release value also can not change thereupon.

And the difference of the air pressure at two ends can make piston 43 be pushed to the position of blocking with disappointing in the piston chamber 41; even when air compressor during in opening state not; the two air pressure of reservoir tube 60 and pump 61 also can make the utility model be in to block or air deflating state in; so the air pressure in the pipeline just can not backwash to pump 61, and then can protect member such as pump 61.

In addition, the utility model only is made of several easy members, so its production is lower, and its simple structure.

Moreover, the suspended material in the gas is provided with filter material 62 in gas receiver 60 and the side body 40 interconnective pipelines, so when pressurized gas passed through filter material 62, will be filtered material 62 and filter, so just can not produce the situation of obstruction in the side body 40, so the pressure release that pump 61 can be stable.

Claims

1. the pressure regulating controller of an air compressor is characterized in that, has:

2. the pressure regulating controller of air compressor as claimed in claim 1 is characterized in that, the top of housing is provided with tank, and tank communicates with the perforation of housing;

The housing top end is provided with loam cake, and loam cake is provided with groove with respect to the end of the tank of housing, and the bottom end of groove is interval with fixed hole;

The place, one fixed hole position of loam cake is provided with the upper terminal sheet, and an end of upper terminal sheet extends to the loam cake top by the fixed hole place, and end extends in the groove of loam cake in addition, and is connected with reed in this end;

Another place, fixed hole position of loam cake is provided with lower terminal sheet, and an end of lower terminal sheet extends to the loam cake top by the fixed hole place, and end extends in the groove of loam cake in addition, and is formed with contact in this distal process, and the reed of contact and upper terminal sheet is in contact with one another;

Between the groove of the tank of housing and loam cake, be provided with in regular turn and push away seat, upper reed plate and following reed, push away a tank position and be provided with tank with respect to housing, push away seat and be provided with perforation with respect to the position of the reed of upper terminal sheet, be provided with slide bar in the perforation, an end of slide bar extends in the tank that pushes away seat.

3. the pressure regulating controller of air compressor as claimed in claim 2 is characterized in that, it is L shaped lamellar body that upper terminal sheet and lower terminal sheet are respectively section.

4. the pressure regulating controller of air compressor as claimed in claim 3 is characterized in that, four edges of housing top and loam cake are respectively equipped with screw and perforation, and several fixed blocks run through perforation respectively, and solid with the mutual spiral shell of screw.

5. the pressure regulating controller of air compressor as claimed in claim 4 is characterized in that, is provided with force switch between side body and the housing, and force switch interconnects with power line and upper terminal sheet and lower terminal sheet.

6. the pressure regulating controller of air compressor as claimed in claim 5 is characterized in that, side body is provided with valve body with respect to the position in bar hole, and the body of rod is extended in the valve body of side body by place, bar hole.

7. the pressure regulating controller of air compressor as claimed in claim 6 is characterized in that, is provided with packing ring in the tank of housing.

8. the pressure regulating controller of air compressor as claimed in claim 7 is characterized in that, is provided with packing ring between valve body and the bar hole.

9. the pressure regulating controller of air compressor as claimed in claim 8 is characterized in that, piston sleeve is provided with packing ring.

10. the pressure regulating controller of air compressor as claimed in claim 9 is characterized in that, the top of loam cake is provided with cap.