CN208161881U - Spray-painting plant - Google Patents

Abstract

The utility model provides a kind of spray-painting plant.Paint spraying of the spray-painting plant in household decoration works, including：Nozzle, pumping mechanism, being capable of trandfer fluid and to fluid pressurization, overflow valve, motor, battery pack and fluid reservoir；When spray area is smaller, the hand-holdable entire fuselage of user carries out spraying operation；When spray area is larger, nozzle can be connect via a high-voltage tube with pumping mechanism, and user need to only hold nozzle segment and can spray at this time.In accordance with an embodiment of the present disclosure, AC power source is on the one hand overcome using limited situation, on the other hand meets the use portability of spray-painting plant under different spray area demands.

Description

Spray-painting plant

Technical field

The utility model relates to a kind of spray-painting plants.

Background technique

In household decoration work, the coating spray coating operations for workpiece such as wall and ceilings are always wherein Workload and the biggish part of construction technique, therefore, painting spraying device add as the core component for implementing coating spraying Work ability and comfort are also the emphasis paid close attention to and promoted in the industry always, and spray-painting plant is typical coating spraying dress It sets.

Existing spray-painting plant includes professional formula spray-painting plant, is provided with base station, and nozzle is filled by high-voltage tube and spray painting Set shell connection.Fluid reservoir and spray-painting plant shell are housed in base station by user, and only need to hold nozzle can carry out paint spraying Work.When facing, spray area is big, and when more situation is painted in fluid reservoir storage, the setting of base station and high-voltage tube is greatly improved The portability that uses.However, AC power source is widely used in professional formula spray-painting plant, in certain feelings for being inconvenient to connect AC power source Under condition, professional formula spray-painting plant use is usually limited.And widely used direct current spray-painting plant in the market, although overcoming exchange The case where limited power, but its nozzle and fluid reservoir are directly mounted to spray-painting plant shell, and entire spray-painting plant is one Body device.When carrying out paint spraying work, user need to undertake the weight of entire fuselage.Also, when spray area is larger, use Family needs weight bearing work for a long time, while needing repeatedly to add paint into fluid reservoir, and operating process is troublesome and laborious.

Therefore, it is necessary to propose the new spray-painting plant of one kind to solve the above problems.

Utility model content

The utility model provides a kind of spray-painting plant, including：Shell；Motor is arranged in the shell；Pumping machine Structure is arranged in the shell, by the motor drive operational, including inlet and liquid outlet；Fluid reservoir, with the inlet Connection；Nozzle is connected to the liquid outlet；Overflow valve is arranged at the liquid outlet, when the pressure of the liquid outlet is greater than in advance If when value, the overflow valve is opened；When the pressure of the liquid outlet is less than the preset value, the overflow valve is closed；First Switch setting on the housing, works for controlling the motor；Battery pack, for providing power for the motor；It is described Spray-painting plant further includes the high-voltage tube with fluid channel, and the selectable setting of high-voltage tube is in the nozzle and the liquid out Between mouthful.

Preferably, the spray-painting plant further includes base station, and the base station is for accommodating the shell and the fluid reservoir.

Preferably, the base station can be mobile according to the job site of the spray-painting plant.

Preferably, when the high-voltage tube be arranged between the nozzle and the liquid outlet when, the high-voltage tube with it is described Shut-off valve is additionally provided between nozzle, for controlling opening or closing for fluid channel in the high-voltage tube.

Preferably, the spray-painting plant further includes being arranged in the intracorporal second switch of the shell, the second switch and institute Stating first switch is series relationship in circuit connection.

Preferably, when the overflow valve is opened, the second switch is triggered, and is converted to disconnection shape by on-state State；When the overflow valve is closed, the second switch is returned to on-state.

Preferably, it is provided with signal generator in the shut-off valve, when the shut-off valve is converted to close off by opening state When state, the signal generator issues stop signal；It is described when the shut-off valve is in an open state by closed state conversion Signal generator issues commencing signal.

Preferably, receiver is equipped in the first switch, the receiver can receive the stop signal and notify The first switch stops motor work and receives the commencing signal, and the first switch is notified to start motor work.

Preferably, further include threaded adapter portion on the shell, the fluid reservoir by the threaded adapter portion install to On shell.

Preferably, the shut-off valve is threadedly connected between the nozzle and the high-voltage tube.

Detailed description of the invention

Fig. 1 shows the structure chart of the main element of the spray-painting plant of the utility model.

Fig. 2 shows the perspective views of the spray-painting plant of the utility model.

The cross-sectional view of pumping mechanism when the piston that Fig. 3 shows Fig. 2 is in progressive position.

The cross-sectional view of pumping mechanism when the piston that Fig. 4 shows Fig. 2 is in retracted position

Fig. 5 shows spray-painting plant in Fig. 2 and removes the left view after nozzle.

Fig. 6 shows the cross-sectional view of spill valve portion in Fig. 5.

Fig. 7 shows the spray-painting plant of the utility model, showing when being connected with high-voltage tube between nozzle and pumping mechanism It is intended to.

Fig. 8 shows the schematic diagram in Fig. 7 including a kind of spray-painting plant including signal generator.

10 spray-painting plant, 16 pumping mechanism, 22 fluid reservoir

12 shell, 18 motor, 24 high-voltage tube

14 nozzle, 20 battery pack, 32 handle

34 54 second O-ring of fluid reservoir locking portion, 78 overflow valve

36 battery pack port, 56 second spring, 80 valve rod

38 first switch, 60 inlet valve pedestal, 82 spring

40 entrance valve module, 62 outlet valve pedestal, 84 overflow valve valve port

41 bar, 64 transmission mechanism, 86 shut-off valve

42 outlets 66 reciprocating block of valve module, 88 base station

43 suction line, 68 support, 90 motor control module

44 piston, 70 pump chamber, 92 second switch

46 first valve rod, 72 inlet, 94 signal generator

48 first O-ring, 74 liquid outlet, 96 receiver

50 first springs 75 adapter tube

52 second valve rod, 76 pressure chamber

Specific embodiment

Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove It non-specifically points out, it is not necessary to attached drawing drawn to scale.

Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary " Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.

In addition, giving numerous details in specific embodiment below to better illustrate the disclosure. It will be appreciated by those skilled in the art that without certain details, the disclosure equally be can be implemented.In some instances, for Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight the purport of the disclosure.

Fig. 1 shows the structure chart of the spray-painting plant 10 of the utility model, in the embodiment as shown, spray-painting plant 10 Including shell 12, nozzle 14, pumping mechanism 16, transmission mechanism 64, motor 18, battery pack 20 and fluid reservoir 22.According to spray painting The applicable operating condition of device 10, when area to be sprayed is smaller, nozzle 14, pumping mechanism 16, transmission mechanism 64, motor 18, electricity Pond packet 20 and fluid reservoir 22 can each be directly mounted to shell 12, to form the hand-held device of one, as Fig. 2 is retouched As stating；When spray area is larger, need to repeatedly add coating, nozzle 14 can separate with shell 12 and via high-voltage tube 24 It is connected to shell 12 and fluid reservoir 22, as illustrated in fig. 7.

In all embodiments, spray-painting plant 10 includes no air distribution system, and wherein pumping mechanism 16 is using next From the driving force of motor 18 from fluid reservoir 22 draw fluid, and pressurize to fluid, for carrying out fluid by nozzle 14 Distribution.In various embodiments, pumping mechanism 16 is pumped including gear pump, piston pump, plunger pump, impeller, rolling diaphragm pumps, Ball pump, rotary lobe pump or the servo motor with rack-and-pinion transmission device.

Fig. 2 is the stereoscopic schematic diagram of the spray-painting plant 10 of the utility model.The spray-painting plant 10 has shell 12, nozzle 14, pumping mechanism 16 (not shown), transmission mechanism 64 (not shown), motor 18 (not shown), battery pack 20 and fluid reservoir 22.Wherein, pumping mechanism 16, transmission mechanism 64 and motor 18 are arranged inside shell 12.Shell 12 includes integrated handle 32, fluid reservoir locking portion 34 and battery pack port 36.First switch 38 has been wholely set on handle 32.It is provided in fluid reservoir 22 It is expected that from spray-painting plant 10 spray fluid, such as fluid reservoir 22 be filled with by the connection with fluid reservoir locking portion 34 supply to The paint of nozzle 14.Battery pack 20 is inserted into battery pack port 36, provides power with the motor 18 into shell 12.First opens It closes 38 and is connected to battery pack 20 and motor 18, once so that first switch 38 is pressed, then power input is provided with to pumping machine Structure 16.Pumping mechanism 16 provides pressurized fluid from 22 draw fluid of fluid reservoir and to nozzle 14.

Fig. 3-4 shows the cross-sectional view of the part of pumping mechanism 16, transmission mechanism 64 and motor 18 in spray-painting plant 10.Pump Sending mechanism 16 includes entrance valve module 40, outlet valve module 42 and piston 44.Entrance valve module 40 include the first valve rod 46, first O-ring 48 and the first spring 50.Exporting valve module 42 includes the second valve rod 52, the second O-ring 54 and second spring 56.First bullet Spring 50 biases the first valve rod 46 on inlet valve pedestal 60, and inlet valve pedestal 60 is provided with inlet 72.First O-ring 48 is anti- Only the first valve rod 46 fluid in closing passes through between inlet 72 and the first valve rod 46, and inlet 72 and fluid reservoir 22 connect It is logical；Similar, second spring 56 biases the second valve rod 52 on outlet valve pedestal 62, and outlet valve pedestal 62 is provided with liquid outlet 74.Second O-ring 54 prevents the second valve rod 52 in closing, and fluid passes through between liquid outlet 74 and the second valve rod 52, out liquid Mouth 74 is connected to via adapter tube 75 with nozzle 14.

The substantially course of work of pumping mechanism 16 can be described as：Motor 18 receives energy, output rotation from battery pack 20 Rotatory force；The rotary power of motor 18 is converted to the linear reciprocal movement of reciprocating block 66 by transmission mechanism 64, and reciprocating block 66 is mechanical Ground is connected in the support 68 of piston 44, and piston 44 is advanced and retracted in pump chamber 70.Herein, piston 44 is remote One end from support 68 and be sealing surface perpendicular to the plane definition of paper；Inlet valve pedestal 60, outlet valve pedestal 62 and close Enclosure space defined by cover three is defined as pump chamber 70.Fig. 3 is spray-painting plant 10 when piston 44 is in progressive position Cross-sectional view, Fig. 4 are the cross-sectional view of spray-painting plant 10 when piston 44 is in retracted position.When piston 44 is moved back from progressive position (Fig. 4) Hui Shi, the first valve rod 46 leave inlet valve pedestal 60 by the suction attraction that piston 44 generates, and fluid is inhaled into valve 40.Valve 40 includes Bar 41, suction line 43 are connected to bar 41.Suction line 43 immerses in the fluid inside fluid reservoir 22.Further, fluid by into Liquid mouth 72 is inhaled into pump chamber 70.When piston 44 shifts to progressive position (Fig. 3), produced with the first spring 50 and by piston 44 Raw pressure, entrance valve module 40 are closed；Second valve rod 52 is pushed away from outlet valve pedestal 62, the fluid in pump chamber 70 It is pushed through the flow direction of liquid outlet 74 outlet valve module 42, and is pushed into the pressure chamber 76 around the second valve rod 52.Herein, it presses Power chamber 76 is defined as enclosure space defined by outlet valve pedestal 62 and adapter tube 75；If high-voltage tube 24 is connected to nozzle 14 and connects Between pipe 75, then enclosure space defined by outlet valve pedestal 62, adapter tube 75 and 24 three of high-voltage tube is defined as pressure chamber 76. When piston 44 is retracted so that other fluid is sucked pump chamber 70, piston 44 is pushed forward by reciprocating block 66.Piston 44 advances, The fluid that piston 44 is pushed into pump chamber 70 is discharged.Fluid is pushed in pressure chamber 76, and is provided to nozzle with steady flow 14。

Overflow valve 78 is additionally provided on the shell 12 of spray-painting plant 10, overflow valve 78 is connected to liquid outlet 74, for that will press Preset value is maintained in power chamber 76.When being greater than preset value there is a situation where the pressure in pressure chamber 76, such as nozzle 14 is stifled The case where plug, fluid can not eject.With the reciprocating motion of piston 44, pressurized fluid is constantly pushed to pressure chamber 76, Pressure in pressure chamber 76 will be continuously increased.In order to prevent excessively high pressure to the device inside spray-painting plant 10 damage with And motor 18 burns machine because of overload, overflow valve 78 will be acted to maintain the pressure in pressure chamber 76.

Fig. 5 shows left view of the spray-painting plant 10 after removing nozzle 14.Fig. 6 shows the cross-sectional view of overflow valve 78, Overflow valve 78 includes valve rod 80 and spring 82.Spring 82 biases valve rod 80 on overflow valve valve port 84.Once liquid outlet 74 Pressure is greater than preset value, and the elastic force for overcoming spring 82 is pushed away from overflow valve valve port 84 by valve rod 80, and pressurized fluid just passes through It is back in fluid reservoir 22 by return flow line 83, the pressure of liquid outlet 74 also declines therewith, and final valve rod 80 can be again by spring 82 are biased on overflow valve valve port 84.The pressure of liquid outlet 74 is maintained preset value by overflow valve 78.

In present embodiment, fluid reservoir 22 is installed on shell 12 by threaded adapter portion 34.

Fig. 7 is the spray-painting plant 10 of the utility model, when being connected with high-voltage tube 24 between nozzle 14 and pumping mechanism 16 Main view.Likewise, spray-painting plant 10 include shell 12, nozzle 14, pumping mechanism 16 (not shown), transmission mechanism 64 (not Diagram), motor 18 (not shown), battery pack 20 and fluid reservoir 22.Difference is, in present embodiment, nozzle 14 is via high pressure Pipe 24 is connect with pumping mechanism 16；A shut-off valve 86 is removably provided between nozzle 14 and high-voltage tube 24, the shut-off valve 86 For controlling the on and off of fluid channel in high-voltage tube 24.Meanwhile the spray-painting plant 10 is additionally provided with base station 88, base station 88 For case 12 and fluid reservoir 22.When spraying operation, user need to only hold nozzle 14 and can spray, operation letter It is single light.In one possible implementation, base station 88 is provided with slide device 89, can according to demand be moved to base station 88 Ideal position.

In spraying process, usually in face of the case where needing Suspend Job, motor 18 should be closed at this time to avoid fluid spray painting The non-productive work of device 10, while also will be in face of the problem of resuming operation and restarting motor 18.And the of motor 18 is controlled at this time One switch 38 is far located on the shell 12 at base station 88.For convenience to the control of motor 18 and without going to base station 88, this Spray-painting plant 10 is additionally provided with a motor control module 90 in embodiment.

In one possible implementation, motor control module 90 includes the second switch 92 being arranged on overflow valve 78 (Fig. 6).Second switch 92 and first switch 38 are series relationship in circuit connection, and co- controlling motor 18 works.Work as cut-off When valve 86 is closed, pressurized fluid can not be ejected via nozzle 14, be forced to rest in pressure chamber 76.With pressure chamber Pressurized fluid in 76 is cumulative, and the pressure in pressure chamber 76 will be continuously increased.Once pressure reaches certain preset value, valve rod 80 are moved to right by promotion, and the second switch 92 of normally off is triggered, and are in an open state by closed state conversion, then motor 18 loses Electricity stops working；When needing to resume work again, when opening shut-off valve 82, the pressure in pressure chamber 76 reduces, and valve rod 80 can be by The effect of spring 82 and be biased on overflow valve valve port 84 again；At this point, second switch 92 is restored to closed state, electricity Machine 18 obtains electric, start-up operation.Certainly, even if shut-off valve 86 is not opened, the overflow valve 78 as voltage stabilizing element also can be again It returns to close stance and triggers the work of motor 18.

In one possible implementation, motor control module 90 includes that the signal being arranged in inside shut-off valve 86 occurs Device 94 and the receiver 96 being arranged in shell 12, as shown in Figure 8.First switch 38 is in the lock state at this time, cannot be right Motor 18 generates control action.When carrying out spraying operation, fluid reservoir 22 and shell 12 are housed in base station 88；User beats Opening shut-off valve 86 is in an open state it by closed state conversion, and signal generator 94 is simultaneously emitted by signal at the beginning, receiver 96 receive the signal and control the start-up operation of motor 18；When needing to suspend spraying operation, user, which closes shut-off valve 86, makes it by beating Open state is converted to close off state, and signal generator 94 is simultaneously emitted by a stop signal at this time, and receiver 96 receives stopping letter Number and control motor 18 and stop working.

In present embodiment, shut-off valve 86 is threadedly connected between nozzle 14 and high-voltage tube 24.

The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or lead this technology Other those of ordinary skill in domain can understand each embodiment disclosed herein.

Claims (10)

1. a kind of spray-painting plant, including：

Shell；

Motor is arranged in the shell；

Pumping mechanism is arranged in the shell, by the motor drive operational, including inlet and liquid outlet；

Fluid reservoir is connected to the inlet；

Nozzle is connected to the liquid outlet；

Overflow valve, setting are connected on the housing and with the liquid outlet, when the pressure of the liquid outlet is greater than preset value, The overflow valve is opened；When the pressure of the liquid outlet is less than the preset value, the overflow valve is closed；

First switch, setting on the housing, work for controlling the motor；

Battery pack, for providing power for the motor；

It is characterized in that：The spray-painting plant further includes the high-voltage tube with fluid channel, the selectable setting of high-voltage tube Between the nozzle and the liquid outlet.

2. spray-painting plant as described in claim 1, it is characterised in that：The spray-painting plant further includes base station, and the base station is used In the receiving shell and the fluid reservoir.

3. spray-painting plant as claimed in claim 2, it is characterised in that：The base station is provided with slide device.

4. spray-painting plant as described in claim 1, it is characterised in that：When the high-voltage tube setting the nozzle and it is described go out When between liquid mouth, it is additionally provided with shut-off valve between the high-voltage tube and the nozzle, it is logical for controlling fluid in the high-voltage tube Road opens or closes.

5. spray-painting plant as claimed in claim 4, it is characterised in that：The spray-painting plant further includes being arranged in the shell Second switch, the second switch and the first switch are series relationship in circuit connection.

6. spray-painting plant as claimed in claim 5, it is characterised in that：When the overflow valve is opened, the second switch quilt Triggering, is converted to off-state by on-state；When the overflow valve is closed, the second switch is returned to on-state.

7. spray-painting plant as claimed in claim 4, it is characterised in that：Signal generator is provided in the shut-off valve, it is described The receiver that can receive the signal that the signal generator issues is provided in shell, first switch is in locked at this time.

8. spray-painting plant as claimed in claim 7, it is characterised in that：When the shut-off valve is converted to open shape by closed state When state, the signal generator issues commencing signal, and the receiver, which receives the commencing signal and controls the motor, to be started Work；When the shut-off valve is converted to close off state by opening state, the signal generator issues stop signal, described to connect It receives the device reception stop signal and controls motor and stop working.

9. spray-painting plant as described in claim 1, it is characterised in that：It further include threaded adapter portion, the storage on the shell Flow container is installed by the threaded adapter portion to the shell.

10. spray-painting plant as claimed in claim 4, it is characterised in that：The shut-off valve is threadedly connected to described Between nozzle and the high-voltage tube.