CN106762532B - A kind of hand portable air compressors - Google Patents
A kind of hand portable air compressors Download PDFInfo
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- CN106762532B CN106762532B CN201710115356.3A CN201710115356A CN106762532B CN 106762532 B CN106762532 B CN 106762532B CN 201710115356 A CN201710115356 A CN 201710115356A CN 106762532 B CN106762532 B CN 106762532B
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- Prior art keywords
- pressure
- exhaust
- compressor
- handle
- motor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention relates to a kind of hand portable air compressors, including motor, pump head and handle, its characteristic is that the handle is shelly-shaped shell and is fastenedly connected with pump head or/and motor, it includes exhaust access port that one is provided in the handle, first exhaust delivery outlet, the assembly connector of air pressure display interface and air pressure operating and controlling interface, wherein the both ends of compressor exhaust pipe are matched with pump head and assembly connector respectively and are laid out in handle, since exhaust pipe and assembly connector etc. being laid out and are integrated into handle, avoid the drawbacks of tradition is exposed and external hanging type is explicitly laid out, to realize the compact design of hand portable air compressors；Furthermore, compressor is also configured with one and is fed back based on exhaust system gas pressure to regulate and control the control system of motor operational situation, control design case is operated by two grades of motors of pressure feedback, compressor is enabled to select output at least two grades of pressures at expulsion, so as to meet the requirement of different pressures demand pneumatic tool.
Description
Technical field
The invention belongs to Compressor Technology fields, are related to a kind of air compressor, relate in particular to a kind of microminiature hand
It proposes the exhaust system structure layout of formula air compressor and exhaust output pressure is set and regulation and control model.
Background technique
Small air compressor has extensively in industries such as fitting-up, health care, Electronic Packaging and food packagings
General application can export the oil-free air compressor of not oil-containing air working medium particularly with those, even more due to its operation letter
Single easy to maintain and liking and favoring by user.It is well known that empty in 1 horsepower and microminiature below for those power
For air compressor, the mode of transport of portable carrying is usually used due to its very light in weight, also therefore such compressor is without an example
Other places is fitted with the handle to catching movement, this is also the origin that they are referred to as hand portable air compressors.However, working as
Lower hand portable air compressors are generally existing, and there are two problems: first problem is the cloth of its structure design especially exhaust system
Office's design is not compact enough, covers and shows because the pipe valve, pipeline and instrument etc. of compressor air-discharging system are almost all exposed and plug-in
Formula layout designs not only influence the overall appearance of compressor, but also there are the hidden danger such as fall off and damage；Another problem is pressure
The exhaust system of contracting machine often only one output pressure numerical value, is not able to satisfy different tools and different operating conditions wants different pressures
The use needs asked, such as nailing gun need higher gas pressure to be driven and painting then only needs lower gas pressure
Power drive, that is, implementable, all this kind etc..As it can be seen that existing hand portable air compressors are equal in terms of layout designs and Functional Design
There are be worth improved place.
Summary of the invention
For the above problem existing for current hand portable air compressors, the present invention proposes a kind of hand portable air compression
Machine, it is therefore intended that: by intensive layout designs, the handle of the exhaust system and compressor that enable compressor organically melts
Conjunction integrates, with this that gas exhaust piping and control attachment layout designs is on handle and stealthy within handle as far as possible, from
And realize the compact design of hand portable air compressors；In addition, the motor by pressure feedback operates control design case mode, make
Output at least two grades of pressures at expulsion can be selected by obtaining compressor, be wanted so as to meet the use of different pressures demand pneumatic tool
It asks.
The object of the present invention is achieved like this: a kind of hand portable air compressors, including motor, pump head, handle and
Exhaust pipe, the handle include shelly-shaped shell, and handle is fastenedly connected with pump head or/and motor, it is characterised in that: the pressure
Contracting machine is provided with an assembly connector, which offers exhaust on assembly connector and connect in the shell of handle
Entrance, first exhaust delivery outlet, air pressure display interface and air pressure operating and controlling interface；The exhaust pipe is laid out in the shell of handle,
One end of exhaust pipe is connected with pump head, the other end of exhaust pipe and the exhaust access port of assembly connector are matched；This external compression
Machine is also configured with one and is fed back based on exhaust system gas pressure to regulate and control the control system of motor operational situation.
Further, pressure switch interface is offered on above-mentioned assembly connector.
Further, above-mentioned compressor is configured with an air accumulator, and offers second row on the assembly connector
Gas delivery outlet is configured with an appendix between air accumulator and assembly connector, and one end of the appendix connect with air accumulator, is defeated
The other end of tracheae and the second exhaust delivery outlet of assembly connector are matched.
Further, above-mentioned first exhaust delivery outlet and second exhaust delivery outlet keep the state of mutual normal open.
Further, above-mentioned first exhaust delivery outlet and second exhaust delivery outlet, which share, an exhaust check valve.
Further, above-mentioned exhaust check valve is arranged in assembly connector and is laid out in first exhaust delivery outlet and second
It is vented before delivery outlet.
Further, starting unloading interface is offered on above-mentioned assembly connector.
Further, a solenoid valve is provided in the shell of above-mentioned handle, which unloads interface phase with the starting
Mating.
Further, above-mentioned solenoid valve is opened inside exhaust pipe when motor stalls with the access of ambient atmosphere and in electricity
The access inside exhaust pipe with ambient atmosphere is closed when machine operates.
Above-mentioned compressor has the function of optional double pressure outputs, and wherein the control system of motor is configured with firing switch,
And the control system also includes the low pressure relay and high-pressure relay with pressure switch orifice, institute
State firing switch include " low-pressure operation " and " high-pressure service " two kinds of gears, the low pressure relay and high-pressure after
Electric appliance obtains the gas pressure signal in exhaust system, and
A) when firing switch is in " low-pressure operation " gear state, it includes external power supply that the control system, which is formed, is risen
The first closed loop including dynamic switch, low pressure relay and motor, if the pressure that low pressure relay picks up at this time
If then first closed loop in channel status and causes compressor operation, at this time low pressure when numerical value is lower than the threshold value that it sets
Then first closed loop is in off state when the pressure value that pressure switch picks up is greater than or equal to the threshold value of its setting
And compressor is caused to stall；
B) when firing switch is in " high-pressure service " gear state, it includes external power supply that the control system, which is formed, is risen
The second closed loop including dynamic switch, high-pressure relay and motor, if the pressure that high-pressure relay picks up at this time
If then second closed loop in channel status and causes compressor operation, at this time high pressure when numerical value is lower than the threshold value that it sets
Then second closed loop is in off state when the pressure value that pressure switch picks up is greater than or equal to the threshold value of its setting
And compressor is caused to stall.
The firing switch of above-mentioned control system further includes having " absolutely shutting down " gear, when firing switch is in " absolutely shutting down "
When gear state, the control system is fully disconnected the circuit of motor, and compressor is in the state that power-off is shut down at this time.
Above-mentioned compressor is oil-free air compressor.
The outstanding advantages that the present invention has compared with prior art are: compressor is using the handle of shelly-shaped shell and by compressor
Exhaust pipe and assembly connector etc. be laid out and be integrated into the handle, enable the exhaust system of compressor and the handle of compressor
Enough organically fusions integrate, and play the role of stealthy and hide these attachmentes, it is exposed and plug-in to avoid tradition
The drawbacks of formula is explicitly laid out, to realize the compact design of hand portable air compressors；In addition, passing through the two of pressure feedback
Shelves motor operates control design case, and compressor is enabled to select output at least two grades of pressures at expulsion, solves traditional compressor only
The problem of exporting one grade of pressure at expulsion, so as to meet the requirement of different pressures demand pneumatic tool.
Detailed description of the invention
Fig. 1 is a kind of axonometric schematic diagram of the hand portable air compressors of the present invention without one embodiment of air accumulator；
Fig. 2 is a kind of axonometric schematic diagram of the one embodiment of hand portable air compressors of the present invention configured with air accumulator；
Fig. 3 is the schematic diagram that embodiment illustrated in fig. 2 part axis surveys section view；
Fig. 4 is the assembly perspective view of the explosion of embodiment illustrated in fig. 2；
Fig. 5 is a kind of cross-sectional view of the one embodiment of hand portable air compressors of the present invention configured with solenoid valve；
Fig. 6 is the assembly perspective view of the explosion of embodiment illustrated in fig. 5；
Fig. 7 is a kind of hand portable air compressors motor operating control system of the present invention configured with firing switch and includes
The schematic diagram of low pressure relay and high-pressure relay；
Fig. 8 is the schematic diagram that embodiment illustrated in fig. 7 firing switch is in " low-pressure operation " Working pasition；
Fig. 9 is the schematic diagram that embodiment illustrated in fig. 7 firing switch is in " high-pressure service " Working pasition；
Figure 10 is the schematic diagram that embodiment illustrated in fig. 7 firing switch is in " absolutely shutting down " Working pasition.
Specific embodiment
With specific embodiment, the invention will be further described below, referring to Fig. 1-10:
A kind of hand portable air compressors, it includes motor 1, pump head 2, handle 3 and exhaust pipe 4, wherein 1 transfer tube of motor
First 2 operate and it are made to export the air dielectric of high pressure, and herein, hand portable air compressors can both be referred to as air compression
Machine can also be referred to as compressor；Handle 3 in the present invention includes shelly-shaped shell (as shown in Figures 1 to 6), the handle 3
Function be for operator in movement compressor can borrow its hold or grasp, wherein handle 3 both can be independent
With pump head 2 be fastenedly connected (not shown), individually can also be fastenedly connected (not shown) with motor 1, can also be simultaneously
It is fastenedly connected (as shown in Figures 1 to 6) with motor 1 and pump head 2, handle 3 its structure in the present invention can be various
Form, or even can also combine together with the covering of compressor pump head 2 or/and with the covering of motor 1, in addition, handle 3
Structure either a complete component can also be assembled by several individual members；Characteristic of the invention is:
Be provided on the compressor an assembly connector 5 (referring to Fig. 3 to Fig. 6), which is disposed in the shell of handle 3,
Exhaust access port 5a, first exhaust delivery outlet 5b, air pressure display interface 5c and air pressure operating and controlling interface are offered on assembly connector 5
5d, in addition compressor is also configured with one and is fed back based on exhaust system gas pressure to regulate and control the control system of 1 operating condition of motor
It unites (as shown in Figure 7), herein, exhaust system includes from the exhaust valve in compressor pump head 2 to external pneumatic tool
Various cavitys, pipeline, container and associated various components and component occurs with exhaust working medium, and wherein involved row
Atmospheric pressure is described exhaust system gas pressure；Exhaust pipe 4 of the invention is laid out in the shell of handle 3, exhaust pipe 4
One end is connected with pump head 2, the other end of exhaust pipe 4 and the exhaust access port 5a of assembly connector 5 are matched (referring to Fig. 3 and figure
5), which can be delivered to the air working medium that pump head 2 exports at assembly connector 5；It should be noted that external is pneumatic
Tool (can be connected on the first exhaust delivery outlet 5b of assembly connector 5 and be taken this referring to Fig. 1 to Fig. 6) by quick-release connector 6
Receive and obtain the air working medium exported from pump head 2, in addition shows the various pressure gauges 7 of gas pressure state (extremely referring to Fig. 1
Fig. 6) or display instrument (not shown) may be coupled on the air pressure display interface 5c of assembly connector 5, and various gas bleeder valves,
Pressure regulator valve and safety valve 8 (referring to fig. 4 and Fig. 6) etc. then may be connected on air pressure operating and controlling interface 5d；It will be apparent that assembly connector 5 at
It is the manipulation tune for concentrating acquisition, pressure at expulsion of discharge pressure signal for a maincenter of compressor air-discharging system and transfer
Section and the conveying distribution of exhaust working medium etc. provide integrated and intensive possibility；Undoubtedly, compressor of the present invention uses shell
The exhaust pipe of compressor 4 and assembly connector 5 etc. are simultaneously laid out and are integrated within the handle 3 by the handle 3 of shape shell, so that compression
The exhaust system of machine is no longer exposed and plug-in, so that the compact design of hand portable air compressors can be realized.
Further, pressure switch interface 5e is offered on assembly connector 5 of the invention, and pressure switch interface 5e is set
Purpose be the primary element that is, sensor that can access the control system to regulate and control the operating of motor 1, such as pressure relay
Devices 9 etc. (as shown in Figures 3 to 6) control electricity will pass through gas pressure feedback of the receiving in compressor air-discharging system
Machine 1 is operating or is off.
Further, compressor of the invention can configure an air accumulator 10 (as shown in Figures 2 to 6), thus can be
Second exhaust delivery outlet 5f is opened up on assembly connector 5, and an appendix 11 is configured between air accumulator 10 and assembly connector 5
(referring to Fig. 3 to Fig. 6), one end of the appendix 11 connect with air accumulator 10, the other end of appendix 10 and assembly connector 5 the
Two exhaust delivery outlet 5f are matched, and the purpose of setting air accumulator 10 is can be temporarily stored within the air working medium that pump head 2 exports
In it, used when for using pneumatic tool；It will be apparent that exhaust system of the invention includes air accumulator 10 and appendix 11,
Therefore, the exhaust system gas pressure not only includes the gas pressure in 2 discharge chamber of compressor pump head, the gas in exhaust pipe 4
Gas pressure in body pressure, assembly connector 5, but also certainly include in the gas pressure and appendix 11 in air accumulator 10
Gas pressure.It, can be by first exhaust delivery outlet 5b and second exhaust delivery outlet after compressor is configured with air accumulator 10
5f keeps the state (as shown in Figure 5) of mutual normal open, and the purpose of such way is can to allow air accumulator 10 that can play preferably
Effect, for example the pressure of stable exhaust system reduces its fluctuation, for another example can pneumatic tool can also after motor 1 shuts down
Enough maintain work for a period of time；Particularly, first exhaust delivery outlet 5b and second exhaust delivery outlet 5f can share a row
The purpose of gas check valve 12 (referring to figs. 5 and 6), setting exhaust check valve 12 is storage when can be effectively prevented compressor shutdown
Pressure-air reverse irrigation in gas tank 10 is back within the pump head 2 of compressor, can be arranged in exhaust check valve 12 thus always
At within connector 5 and being laid out the institute herein before first exhaust delivery outlet 5b and second exhaust delivery outlet 5f (as shown in Figure 5)
The exhaust check valve 12 of meaning is laid out to be referred to before first exhaust delivery outlet 5b and second exhaust delivery outlet 5f: what pump head 2 exported
After pressure-air working medium reaches assembly connector 5 via exhaust pipe 4, exhaust check valve 12 is touched first, then just enters the
Within one exhaust delivery outlet 5b and second exhaust delivery outlet 5f.
Further, the present invention offers starting unloading interface 5g (as shown in Figure 5), starting unloading on assembly connector 5
Interface 5g is connected with exhaust pipe 4, open up starting unloading interface 5g purpose be can be promptly when compressor shuts down
The high pressure gas pressure release that will be remained within exhaust pipe 4, to reduce back pressure when compressor is restarted, so that unloading is in favor of pressure
Contracting machine is restarted.Particularly, unloading executive item can be adopted as solenoid valve 13 (as shown in Figure 5 and Figure 6), wherein the solenoid valve
13 optimal layout is in the shell for being located at handle 3 and matched (referring to Fig. 5) with starting unloading interface 5g, solenoid valve 13
The access of 4 inside of exhaust pipe and ambient atmosphere is opened in motor stalling and is closed inside exhaust pipe 4 when motor 1 operates
With the access of ambient atmosphere.
In order to meet the requirement of different pressures demand pneumatic tool, it is optional double that the present invention can allow compressor to have
Pressure output function, wherein the control system of motor 1 is configured with firing switch K (referring to Fig. 7), and the control system further includes
Have through appendix 11 and pressure switch interface 5f the low pressure relay L being connected to and high-pressure relay H (such as Fig. 7
To shown in Fig. 9), the firing switch K includes " low-pressure operation " and " high-pressure service " two kinds of gears, the low pressure relay
Gas pressure in device L and the available exhaust system of high-pressure relay H, particularly available first exhaust delivery outlet
Pressure signal in 5b, the pressure signal in second exhaust delivery outlet 5f, the pressure signal in appendix 11 or acquisition gas storage
Pressure signal in tank 10, and there is the following two kinds operation function: a) when firing switch K is in " low-pressure operation " gear
(referring to Fig. 8), the control system are formed including external power supply E, firing switch K, low pressure relay L and motor 1
The first closed loop, herein, above-mentioned component can constitute a variety of loop embodiments by different built-up sequence with electric conductor,
One of typical loop is: external power supply E → firing switch K → low pressure relay L → 1 → external power supply of motor E is (such as
Shown in Fig. 8), at this time if low pressure relay L pick up pressure value lower than its setting threshold value when if first closed loop
If circuit is in channel status and causes compressor operation and low pressure relay L is picked up at this time pressure value is higher than or waits
Then first closed loop in off state and causes compressor to stall when the threshold value of its setting；B) at firing switch K
In " high-pressure service " gear (referring to Fig. 9), it includes external power supply E, firing switch K, high-pressure that the control system, which is formed,
The second closed loop including relay H and motor 1, herein, above-mentioned component can be suitable by different combinations with electric conductor
Sequence constitutes a variety of loop embodiments, and one of typical loop is: external power supply E → firing switch K → high-pressure relay H
1 → external power supply of → motor E (as shown in Figure 9), if the pressure value that high-pressure relay H is picked up at this time is lower than its setting
If then second closed loop in channel status and causes compressor operation and high-pressure relay H is picked up at this time when threshold value
Then second closed loop in off state and causes compressor when the pressure value taken is greater than or equal to the threshold value of its setting
Stalling.It should be noted that the low pressure relay L and high-pressure relay H in the present invention can belong to pressure
Relay 9, pressure switch 9 includes low pressure relay L and high-pressure relay H in other words.It further needs exist for illustrating
, when firing switch K is in " low-pressure operation " operating condition (referring to Fig. 8), the activation threshold value of low pressure relay L compares
It is low, that is, the exhaust output pressure of compressor setting is relatively low, in other words when compressor reaches lower predetermined vent pressure
When, low pressure relay L is the circuit that triggering occurs to disconnect motor 1, and then compressor stops working, and works as exhaust system
When gas pressure in system is lower than the threshold value of low pressure relay L setting motor 1 it is electric, then compressor start again with
Continue to output pressure-air working medium；And when firing switch K is in " high-pressure service " operating condition (as shown in Figure 9), high-pressure after
The activation threshold value of electric appliance H is relatively high (higher than the activation threshold value of low pressure relay L), that is, the exhaust output of compressor setting
Pressure is relatively high, and in other words when compressor reaches higher predetermined vent pressure, high-pressure relay H is triggered
To disconnect the circuit of motor 1, then compressor stops working, and when the gas pressure in exhaust system lower than high-pressure after
Motor 1 obtains electric when the threshold value of electric appliance H setting, and then compressor starts again to continue to output the air working medium of high pressure；It is worth
It is noted that the activation threshold value due to high-pressure relay H is higher than the activation threshold value of low pressure relay L, rising
The situation of its threshold value can be triggered by being possible to low pressure relay L also when dynamic switch K selection operation " high-pressure service " operating condition,
But at this time due to firing switch K is in " high-pressure service " operating condition and make low pressure relay L not it is electric, it is at this time low
The triggering of pressure pressure relay L belongs to invalid triggering, and in other words not shadow whether triggering occurs for low pressure relay L at this time
Ring the operation of compressor；Finally it must be noted that firing switch K, which is in " low-pressure operation " and " high-pressure service ", is formed by two
Shelves control loop has exclusiveness, that is, then another circuit is necessarily in mistake when one of gear constitutes circuit and obtains electric
The open-circuit condition of electricity, this is determined by the selectivity function of firing switch K.In order to facilitate the different operations of regulation compressor
Operating condition, it is sometimes desirable to which the power supply for cutting off motor 1, other than conventional direct extraction attaching plug method, the present invention is being controlled
It is also provided with " absolutely shutting down " gear (referring to Figure 10) on the firing switch K of system, " absolutely stops when firing switch is in
When machine " gear, control system is fully disconnected the circuit of motor 1, and compressor is in the state that power-off is shut down at this time.It will be apparent that working as
When firing switch K selection operation " high-pressure service " operating condition, compressor can export the compressed air of elevated pressures；And work as
When dynamic switch K selection operation " low-pressure operation " operating condition, compressor can then export the compressed air working medium of lower pressure；Separately
Outside, when firing switch K is when operating condition " is absolutely shut down " in selection operation, compressor does not export pressure-air, at this time pneumatic work
The pressure-air working medium having previously been stored in gas tank 10 can be used in tool；As it can be seen that the available at least two grades of exhaust pressures of the present invention
Power.
The outstanding advantages that the present invention has compared with prior art are: using the handle 3 of shelly-shaped shell and by compressor
Exhaust pipe 4 and assembly connector 5 etc. are laid out and are integrated within the handle 3, so that the exhaust system and compressor of compressor
Handle 3 can organically merge and integrate, and play the role of stealthy and hide these attachmentes, avoid outside tradition
The drawbacks of dew formula and external hanging type are explicitly laid out, to realize the compact design of hand portable air compressors；In addition, passing through air pressure
Two grades of motors 1 of reaction type operate control design case, and compressor is enabled to select output at least two grades of pressures at expulsion, so as to
Meet the requirement of different pressures demand pneumatic tool.
Above-described embodiment is only one of presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore:
The various equivalence changes that all structures under this invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (11)
1. a kind of hand portable air compressors, including motor, pump head, handle and exhaust pipe, the handle includes shelly-shaped shell
Body, handle are fastenedly connected with pump head or/and motor, it is characterised in that: the compressor is provided with an assembly connector, the assembly
Joint arrangement offers exhaust access port, first exhaust delivery outlet, air pressure show and connect in the shell of handle on assembly connector
Mouth and air pressure operating and controlling interface；Exhaust pipe layout is in the shell of handle, and one end of exhaust pipe is connected with pump head, exhaust pipe
The other end and assembly connector exhaust access port it is matched；Furthermore compressor is also configured with one based on exhaust system gas pressure
Force feedback regulates and controls the control system of motor operational situation, and the compressor has the function of that double pressure outputs may be selected, wherein electricity
The control system of machine is configured with firing switch, and the control system also includes the low pressure pressure with pressure switch orifice
Power relay and high-pressure relay, the firing switch include " low-pressure operation " and " high-pressure service " two kinds of gears, institute
The gas pressure signal in low pressure relay and high-pressure relay acquisition exhaust system is stated, and
A) when firing switch is in " low-pressure operation " gear state, it includes external power supply that the control system, which is formed, starts and opens
It closes, the first closed loop including low pressure relay and motor, if the pressure value that low pressure relay picks up is lower than
Then first closed loop in channel status and causes compressor operation when its threshold value set, if low pressure relay picks up
Then first closed loop in off state and causes compressor when the pressure value taken is greater than or equal to the threshold value of its setting
Stalling；
B) when firing switch is in " high-pressure service " gear state, it includes external power supply that the control system, which is formed, starts and opens
It closes, the second closed loop including high-pressure relay and motor, if the pressure value that high-pressure relay picks up is lower than
Then second closed loop in channel status and causes compressor operation when its threshold value set, if high-pressure relay picks up
Then second closed loop in off state and causes compressor when the pressure value taken is greater than or equal to the threshold value of its setting
Stalling.
2. a kind of hand portable air compressors as described in claim 1, it is characterised in that: offered on the assembly connector
Pressure switch interface.
3. a kind of hand portable air compressors as claimed in claim 2, it is characterised in that: the compressor is configured with one
Air accumulator, and second exhaust delivery outlet is offered on the assembly connector, it is configured between air accumulator and assembly connector
A piece appendix, one end of the appendix is connect with air accumulator, the other end of appendix and the second exhaust of assembly connector export
Mouth is matched.
4. a kind of hand portable air compressors as claimed in claim 3, it is characterised in that: the first exhaust delivery outlet with
Second exhaust delivery outlet keeps the state of mutual normal open.
5. a kind of hand portable air compressors as claimed in claim 4, it is characterised in that: the first exhaust delivery outlet and the
Two exhaust delivery outlets, which share, an exhaust check valve.
6. a kind of hand portable air compressors as claimed in claim 5, it is characterised in that: the exhaust check valve is arranged in
In assembly connector and it is laid out before first exhaust delivery outlet and second exhaust delivery outlet.
7. a kind of hand portable air compressors as claimed in claim 6, it is characterised in that: offered on the assembly connector
Starting unloading interface.
8. a kind of hand portable air compressors as claimed in claim 7, it is characterised in that: be provided in the shell of the handle
One solenoid valve, the solenoid valve and starting unloading interface are matched.
9. a kind of hand portable air compressors as claimed in claim 8, it is characterised in that: the solenoid valve is when motor stalls
It opens with the access of ambient atmosphere inside exhaust pipe and is closed when motor operates logical with ambient atmosphere inside exhaust pipe
Road.
10. hand portable air compressors as described in claim 1, it is characterised in that: the firing switch of the control system is also
It include " absolutely shutting down " gear, when firing switch is in " absolutely shutting down " gear state, the control system is fully disconnected
The circuit of motor, compressor is in the state that power-off is shut down at this time.
11. hand portable air compressors as claimed in claim 10, it is characterised in that: the compressor is oil-free air pressure
Contracting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115356.3A CN106762532B (en) | 2017-03-01 | 2017-03-01 | A kind of hand portable air compressors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115356.3A CN106762532B (en) | 2017-03-01 | 2017-03-01 | A kind of hand portable air compressors |
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| Publication Number | Publication Date |
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| CN106762532A CN106762532A (en) | 2017-05-31 |
| CN106762532B true CN106762532B (en) | 2019-03-15 |
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| CN201710115356.3A Active CN106762532B (en) | 2017-03-01 | 2017-03-01 | A kind of hand portable air compressors |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI676736B (en) * | 2018-10-17 | 2019-11-11 | 中大冷凍材料股份有限公司 | Vacuum pumping structure |
| CN110332103B (en) * | 2019-07-29 | 2024-05-10 | 浙江鸿友压缩机制造有限公司 | Electronic pressure switch with time-delay closing electromagnetic unloading valve |
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| CN206545573U (en) * | 2017-03-01 | 2017-10-10 | 浙江鸿友压缩机制造有限公司 | A kind of hand portable air compressors |
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| GB100635A (en) * | 1915-06-04 | 1916-09-14 | Samuel Duncan Black | Improvements in "Air Compressors". |
| JP2003065241A (en) * | 2001-08-29 | 2003-03-05 | Pilot Ink Co Ltd | Portable compressor |
| CN2742183Y (en) * | 2004-10-19 | 2005-11-23 | 宁波市鄞州减震器厂 | Portable multifunction inflating pump |
| CN101943159A (en) * | 2009-05-08 | 2011-01-12 | 创科电动工具科技有限公司 | Portable air compressor |
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| CN102477973A (en) * | 2010-11-24 | 2012-05-30 | 株式会社牧田 | Air compressor |
| CN104564628A (en) * | 2015-01-10 | 2015-04-29 | 浙江鸿友压缩机制造有限公司 | Spring-piece-based starting and stopping air compressor starting and stopping unloading device |
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|---|---|
| CN106762532A (en) | 2017-05-31 |
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Denomination of invention: A portable air compressor Effective date of registration: 20201231 Granted publication date: 20190315 Pledgee: Wenling Branch of Bank of China Ltd. Pledgor: ZHEJIANG HONGYOU AIR COMPRESSOR MANUFACTURING Co.,Ltd. Registration number: Y2020330001362 |
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Date of cancellation: 20220518 Granted publication date: 20190315 Pledgee: Wenling Branch of Bank of China Ltd. Pledgor: ZHEJIANG HONGYOU AIR COMPRESSOR MANUFACTURING Co.,Ltd. Registration number: Y2020330001362 |
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Denomination of invention: A portable air compressor Effective date of registration: 20220617 Granted publication date: 20190315 Pledgee: Wenling Branch of Bank of China Ltd. Pledgor: ZHEJIANG HONGYOU AIR COMPRESSOR MANUFACTURING Co.,Ltd. Registration number: Y2022330000997 |