CN104549823B - Liquid draining device of spray gun - Google Patents
Liquid draining device of spray gun Download PDFInfo
- Publication number
- CN104549823B CN104549823B CN201410850513.1A CN201410850513A CN104549823B CN 104549823 B CN104549823 B CN 104549823B CN 201410850513 A CN201410850513 A CN 201410850513A CN 104549823 B CN104549823 B CN 104549823B
- Authority
- CN
- China
- Prior art keywords
- liquid
- air inlet
- kettle
- gun
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a liquid draining device of a spray gun. The liquid draining device comprises a liquid pot and a liquid draining tube in the liquid pot. The liquid draining device is characterized in that the liquid pot is arranged at the upper end of a gun body; a locking mechanism is arranged between the liquid pot and the upper end of the gun body; a single-way air intake component and a single-way liquid draining component are arranged on the liquid pot; the liquid draining tube is connected with the single-way liquid draining component; the upper end of the gun body is fixed with a connecting seat; a first air intake passage communicated with an air source and a first liquid draining passage communicated with a valve element component of the spray gun are formed in the connecting seat; the single-way air intake component is inserted into the first air intake passage; the single-way liquid draining component is inserted into the first liquid draining passage; the upper end of the liquid pot is provided with a liquid port; and the liquid port is screwed with a pot cover. The liquid draining device has the advantages that the liquid draining device and the spray gun can be quickly disassembled, and the disassembling operation is convenient; disassembly of the liquid pot is clean without dropping liquid to pollute the environment; and after the liquid pot is disassembled, the liquid in the liquid pot is sealed in the pot and cannot flow out, and the device is convenient to use.
Description
Technical field
The present invention relates to spray gun, more particularly, to a kind of liquid discharge device of spray gun.
Background technology
Spray gun is the instrument for spraying liquid, and the liquid kettle being used for the liquid such as coatings in current spray gun is all installed substantially
In the lower section of spray gun, and the upper end of liquid kettle is directly screwed onto on the body of a gun, and the liquid in liquid kettle is forced upward into spray gun by air pressure
Core assembly in.But this connected mode makes spray gun there is following problem:
(1), because air induction conduit is plastic flexible pipe, and it is arranged on the outside of spray gun, using air induction conduit after a period of time
Easily cause damaged or aging, lead to spray gun cannot normally use, also make the use of spray gun and the dismounting inconvenience of liquid kettle simultaneously；
(2), because liquid is inhaled from bottom to top, efficiency is low, and when pressing spray gun spanner, the liquid in liquid kettle will pass through longer
Conduit enter in core assembly, then eject at nozzle, one section of blank time interval can be produced, and energy consumption is relatively
Larger；
(3), because liquid kettle is fixed on the body of a gun by way of being spirally connected, during the use of spray gun, liquid kettle easily loosens
Even come off；
(4), during the dismounting of liquid kettle, the liquid in conduit is susceptible to dropping liquid and pollutes surrounding, and liquid
After kettle is pulled down from the body of a gun, can not collide and topple over, otherwise the liquid in liquid kettle can flow out.
Content of the invention
The technical problem to be solved is to provide a kind of installation of liquid kettle to be connected firmly and easy accessibility is quick,
Relatively cleaner in disassembly process, dropping liquid will not be occurred to pollute the liquid discharge device of the spray gun of surrounding.
The technical scheme that present invention solution above-mentioned technical problem is adopted is: a kind of liquid discharge device of spray gun, including liquid kettle
With the drain pipe being arranged in described liquid kettle, described liquid kettle is arranged on the upper end of the body of a gun, described liquid kettle and described rifle
Be provided with latching device between the upper end of body, described liquid kettle is fixedly installed one-way air inlet assembly and unidirectional go out liquid assembly,
Described drain pipe with described unidirectional go out liquid assembly be connected, the upper end of the described body of a gun is fixedly installed connecting seat, described
Connecting seat in be provided with the first inlet channel connecting with source of the gas and the first liquid outlet channel connecting with the core assembly of spray gun,
Described one-way air inlet modular connector on the first described inlet channel, described unidirectional go out liquid modular connector described
On one liquid outlet channel, the upper end of described liquid kettle is provided with filling opening, and described filling opening is bolted with pot lid.
Described unidirectional go out the setting of liquid component level, described unidirectional go out liquid assembly include liquid union joint, go out liquid grafting
Set, liqiud outlet head and the first spring, described go out the rear end of liquid union joint and described liquid kettle bolt, described drain pipe grafting
Go out on liquid union joint in described, the described rear end going out liquid grafting set is consolidated with the described front end co-axial seal going out liquid union joint
Fixed, in described the first liquid outlet channel described in forward end seal insertion going out liquid grafting set, described liqiud outlet head coaxial water smooths
Dynamic be arranged on described go out in liquid grafting set and front end stretch out described go out liquid grafting set, the first described spring top is connected on described
The rear end of liqiud outlet head and described going out between liquid union joint, described liqiud outlet head has been wholely set positioning convex ring, described
Positioning convex ring and described going out are provided with sealing ring between liquid grafting set, and described sealing ring is set on described liqiud outlet head,
It is provided with the liquid outlet road that the first axial and described liquid outlet channel is connected, described liqiud outlet head edge in described liqiud outlet head
Its circumferencial direction is provided with the liquid outlet that multiple with described liquid outlet road is connected, and described liquid outlet is located at described positioning
The front of bulge loop, the center of the first described liquid outlet channel is wholely set the position retaining plate of radial direction, described liqiud outlet head
Front end withstands on described position retaining plate.
Described one-way air inlet component level setting, described one-way air inlet assembly includes air inlet union joint, air inlet grafting
Set, second spring and ball sealer, the described rear end of air inlet union joint and described liquid kettle bolt, described air inlet grafting set
The front end co-axial seal of rear end and described air inlet union joint fix, the forward end seal insertion of described air inlet grafting set is described
The first inlet channel in, be provided with described air inlet grafting set that the first axial and described inlet channel is connected the
One air inlet port, be provided with described air inlet union joint axial respectively with the first described air inlet port, described liquid kettle
Intracavity inter-connection the second air inlet port, described ball sealer gets lodged on the described rear end of the first air inlet port, described
Second spring apical grafting is between described ball sealer and the second described air inlet port.
Described latching device includes mounting seat and closing piece, and described mounting seat is fixedly installed on the upper of the described body of a gun
End, described mounting seat is provided with slot recessed down, and the described front side wall of slot is provided with jack, described liquid
The bottom surface of kettle has been wholely set plug button, and in the described jack of described plug button insertion, the bottom surface of described liquid kettle is provided with
The locked groove being inwardly recessed, is provided with installing hole at the corresponding described position of locked groove in described mounting seat, described closing piece position
In described installation in the hole and can slide up and down, the upper end of the described body of a gun has been wholely set spring mounting seat, described spring
3rd spring is cased with mounting seat, the upper end of the 3rd described spring withstands in described closing piece, and described closing piece integrally sets
It is equipped with the pressing tablet protruding backward.
Valve core case is fixedly installed on the described body of a gun, described core assembly is arranged in described valve core case, described
Valve core case in be provided with the second inlet channel and the second liquid outlet channel, the second described inlet channel is connected with described source of the gas
Logical, the second described liquid outlet channel is connected with described core assembly, and described connecting seat is fixedly connected on described valve element
On seat, the first inlet channel on described connecting seat is connected with the second described inlet channel, on described connecting seat
First liquid outlet channel is connected with the second described liquid outlet channel.
Compared with prior art, the invention has the advantage that
(1), achieve the fast assembling-disassembling of liquid discharge device and spray gun body, and disassembling operations are convenient；
(2), whole liquid discharge device makes liquid kettle being connected firmly in body of a gun upper end, and during the use of spray gun, liquid kettle is not
Easy to fall off；
(3), because liquid kettle is arranged on the upper end of the body of a gun, the liquid in liquid kettle from top to bottom enters core assembly, works as pressing
During the spanner of spray gun, liquid is full of in core assembly automatically, and moment ejects liquid, and efficiency is higher, and energy consumption is relatively low；
(4), due to be fixedly installed on liquid kettle one-way air inlet assembly and unidirectional go out liquid assembly, when liquid kettle is pulled down from the body of a gun
When, unidirectional go out liquid assembly be automatically switched off so that relatively cleaner in the disassembly process of liquid kettle, ring around dropping liquid pollution will not occur
Border, and after liquid kettle is pulled down, the liquid in liquid kettle is closed in kettle and will not flow out, using more convenient；
(5), due to by the first inlet channel in connecting seat instead of traditional be arranged on outside spray gun enter conductance
Manage so that air intake assembly is non-aging and damaged, long service life.
Brief description
Fig. 1 is contained in the external structure schematic diagram on electric spray gun for the present invention；
Fig. 2 be the present invention unidirectional go out liquid assembly connection diagram；
Fig. 3 is the enlarged diagram at a in Fig. 2；
Fig. 4 is the connection diagram of the one-way air inlet assembly of the present invention；
Fig. 5 is the enlarged diagram at b in Fig. 4；
Fig. 6 is the end construction schematic diagram of the connecting seat of the present invention；
Fig. 7 is the bottom surface structure schematic diagram of the liquid kettle of the present invention；
Fig. 8 is the decomposing schematic representation of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As illustrated, a kind of liquid discharge device of spray gun, including liquid kettle 1 and the drain pipe 2 being arranged in liquid kettle 1, liquid kettle 1 sets
Put the upper end in the body of a gun 3, between the upper end of liquid kettle 1 and the body of a gun 3, be provided with latching device, liquid kettle 1 is fixedly installed unidirectional go out
Liquid assembly 4 and one-way air inlet assembly 5, the body of a gun 3 are fixedly installed valve core case 9, are provided with core assembly 7, valve element in valve core case 9
It is provided with the second inlet channel 91 and the second liquid outlet channel 92, the second inlet channel 91 is connected with source of the gas, and second goes out liquid in seat 9
Passage 92 is connected with core assembly 7, and valve core case 9 is fixedly connected with connecting seat 6, is provided with and the second air inlet in connecting seat 6
The first inlet channel 61 and the first liquid outlet channel 62 being connected with the second liquid outlet channel 92 that passage 91 is connected, unidirectional go out liquid
Assembly 4 is horizontally disposed with, unidirectional go out liquid assembly 4 include liquid union joint 41, go out liquid grafting set 42, liqiud outlet head 43 and the first spring
44, go out rear end and liquid kettle 1 bolt of liquid union joint 41, drain pipe 2 is plugged on out on liquid union joint 41, goes out liquid grafting set 42
Rear end is fixed with the front end co-axial seal going out liquid union joint 41, and the forward end seal going out liquid grafting set 42 inserts the first liquid outlet channel 62
In, liqiud outlet head 43 coaxial water put down be slidably arranged in out liquid grafting set 42 in and front end stretch out liquid grafting set 42, the first spring 44
Apical grafting in the rear end of liqiud outlet head 43 and goes out between liquid union joint 41, and liqiud outlet head 43 has been wholely set positioning convex ring 431, convex
Ring 431 and go out and be provided with sealing ring 45 between liquid grafting set 42, sealing ring 45 is set on liqiud outlet head 43, setting in liqiud outlet head 43
Have the axial liquid outlet road 46 being connected with the first liquid outlet channel 62, liqiud outlet head 43 along its circumferencial direction be provided with multiple with go out
The liquid outlet 47 that fluid apertures road 46 is connected, liquid outlet 47 is located at the front of positioning convex ring 431, the centre bit of the first liquid outlet channel 62
Put the position retaining plate 63 being wholely set radial direction, the front end of liqiud outlet head 43 withstands on position retaining plate 63；
One-way air inlet assembly 5 is horizontally disposed with, and one-way air inlet assembly 5 includes air inlet union joint 51, air inlet grafting set 52, second
Spring 53 and ball sealer 54, the rear end of air inlet union joint 51 and liquid kettle 1 bolt, the rear end of air inlet grafting set 52 is connected with air inlet
51 front end co-axial seal is fixed, and the forward end seal of air inlet grafting set 52 is inserted in the first inlet channel 61, air inlet grafting set
It is provided with axial the first air inlet port 55 being connected with the first inlet channel 61 in 52, in air inlet union joint 51, be provided with axle
To the second air inlet port 56 with the first air inlet port 55, the intracavity inter-connection of liquid kettle 1 respectively, ball sealer 54 gets lodged in first and enters
On the rear end in pore road 55, second spring 53 apical grafting is between ball sealer 54 and the second air inlet port 56；
Latching device includes mounting seat 8 and closing piece 84, and mounting seat 8 is fixedly installed on the upper end of the body of a gun 3, and mounting seat 8 sets
It is equipped with slot 81 recessed down, the front side wall of slot 81 is provided with jack 82, the bottom surface of liquid kettle 1 has been wholely set plug button
11, in plug button 11 insertion jack 82, the bottom surface of liquid kettle 1 is provided with the locked groove 12 being inwardly recessed, corresponding locked groove 12 in mounting seat 8
Position at be provided with installing hole 83, closing piece 84 is located in installing hole 83 and can slide up and down, and the upper end of the body of a gun 3 has been wholely set
Spring mounting seat 31, spring mounting seat 31 is cased with the 3rd spring 85, the upper end of the 3rd spring 85 withstands in closing piece 84, closing piece 84
On be wholely set the pressing tablet 841 protruding backward, the upper end of liquid kettle 1 is provided with filling opening 13, filling opening 13 is bolted with kettle
Lid 14.
In above-described embodiment, unidirectional go out liquid assembly 4 operation principle be: liquid kettle 1 is fixed on the upper end of the body of a gun 3
When, unidirectional go out liquid assembly 4 in go out liquid grafting set 42 insertion connecting seats 6 the first liquid outlet channels 62 in, the end of liqiud outlet head 43
Withstand on position retaining plate 63, under the stop of position retaining plate 63, liqiud outlet head 43 go out liquid grafting set 42 in be moved rearwards by, the first spring 44
Compressed, the liquid outlet 47 on liqiud outlet head 43 is connected with drain pipe 2, and the liquid in liquid kettle 1 is under the influence of air pressure through drain pipe
2nd, liquid outlet 47, liquid outlet road 46, the first liquid outlet channel 62 flow in core assembly 7；And when liquid kettle 1 is pulled down on the body of a gun 3,
Go out liquid grafting set 42 disengaging the first liquid outlet channels 62, liqiud outlet head 43 in the presence of the first spring 44 go out liquid grafting set 42 in
Front movement, now, the liquid outlet 47 on liqiud outlet head 43 is plugged, the liquid in liquid kettle 1 cannot from unidirectional go out liquid assembly 4 flow
Go out.
Claims (4)
1. a kind of liquid discharge device of spray gun, including liquid kettle and the drain pipe being arranged in described liquid kettle, described liquid kettle is arranged
It is provided with latching device between the upper end of the body of a gun, described liquid kettle and the upper end of the described body of a gun, fixing on described liquid kettle
Be provided with one-way air inlet assembly and unidirectional go out liquid assembly, described drain pipe with described unidirectional go out liquid assembly be connected, described
The upper end of the body of a gun be fixedly installed connecting seat, be provided with described connecting seat the first inlet channel connecting with source of the gas and with
First liquid outlet channel of the core assembly connection of spray gun, described one-way air inlet modular connector is in the first described inlet channel
On, described unidirectional go out liquid modular connector on the first described liquid outlet channel, the upper end of described liquid kettle is provided with filling opening,
It is bolted with pot lid it is characterised in that valve core case is fixedly installed on the described body of a gun, described valve element group on described filling opening
Part is arranged in described valve core case, is provided with the second inlet channel and the second liquid outlet channel in described valve core case, described
Second inlet channel is connected with described source of the gas, and the second described liquid outlet channel is connected with described core assembly, described
Connecting seat be fixedly connected on described valve core case, the first inlet channel on described connecting seat and the second described air inlet
Passage is connected, and the first liquid outlet channel on described connecting seat is connected with the second described liquid outlet channel.
2. as claimed in claim 1 a kind of liquid discharge device of spray gun it is characterised in that described unidirectional go out liquid component level set
Put, described unidirectional go out liquid assembly include liquid union joint, go out liquid grafting set, liqiud outlet head and the first spring, described goes out liquid even
The rear end of joint and described liquid kettle bolt, described drain pipe be plugged on described go out on liquid union joint, described goes out liquid
The rear end of grafting set is fixed with the described front end co-axial seal going out liquid union joint, and the described forward end seal going out liquid grafting set is inserted
Enter in the first described liquid outlet channel, described liqiud outlet head coaxial water is put down to be slidably arranged in and described gone out in liquid grafting set and front end
Stretch out described go out liquid grafting set, the first described spring top is connected on the described rear end of liqiud outlet head and goes out liquid union joint with described
Between, described liqiud outlet head is wholely set positioning convex ring, described positioning convex ring and described going out set between liquid grafting set
It is equipped with sealing ring, described sealing ring is set on described liqiud outlet head, be provided with axial and described in described liqiud outlet head
The liquid outlet road that is connected of the first liquid outlet channel, described liqiud outlet head is provided with along its circumferencial direction and multiple Yu described goes out liquid
The liquid outlet that duct is connected, described liquid outlet is located at the front of described positioning convex ring, described the first liquid outlet channel
Center is wholely set the position retaining plate of radial direction, and the front end of described liqiud outlet head withstands on described position retaining plate.
3. as claimed in claim 1 a kind of liquid discharge device of spray gun it is characterised in that described one-way air inlet component level sets
Put, described one-way air inlet assembly includes air inlet union joint, air inlet grafting set, second spring and ball sealer, described air inlet is even
The rear end of joint and described liquid kettle bolt, the described rear end of air inlet grafting set is same with the front end of described air inlet union joint
Sealing is fixed, in the first described inlet channel of the forward end seal insertion of described air inlet grafting set, described air inlet grafting
It is provided with the first air inlet port that the first axial and described inlet channel is connected in set, set in described air inlet union joint
It is equipped with axial the second air inlet port with the first described air inlet port, the intracavity inter-connection of described liquid kettle respectively, described
Ball sealer get lodged on the described rear end of the first air inlet port, described second spring apical grafting described ball sealer with described
The second air inlet port between.
4. as claimed in claim 1 a kind of liquid discharge device of spray gun it is characterised in that described latching device includes mounting seat
And closing piece, described mounting seat is fixedly installed on the upper end of the described body of a gun, described mounting seat is provided with recessed down
Slot, the described front side wall of slot is provided with jack, and the bottom surface of described liquid kettle has been wholely set plug button, and described inserts
Connect in the described jack of button insertion, the bottom surface of described liquid kettle is provided with the locked groove being inwardly recessed, corresponding in described mounting seat
It is provided with installing hole, described closing piece is located at described installation in the hole and can slide up and down, described at the position of described locked groove
The upper end of the body of a gun be wholely set spring mounting seat, described spring mounting seat is cased with the 3rd spring, described the 3rd bullet
The upper end of spring withstands in described closing piece, and described closing piece is wholely set the pressing tablet protruding backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850513.1A CN104549823B (en) | 2014-12-31 | 2014-12-31 | Liquid draining device of spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850513.1A CN104549823B (en) | 2014-12-31 | 2014-12-31 | Liquid draining device of spray gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104549823A CN104549823A (en) | 2015-04-29 |
| CN104549823B true CN104549823B (en) | 2017-02-01 |
Family
ID=53067518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410850513.1A Expired - Fee Related CN104549823B (en) | 2014-12-31 | 2014-12-31 | Liquid draining device of spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104549823B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213000688U (en) * | 2020-07-10 | 2021-04-20 | 金华市金顺工具有限公司 | Spray gun |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8720798B2 (en) * | 2011-12-15 | 2014-05-13 | Rick Lynn | Drywall spray gun |
| CN203648750U (en) * | 2013-09-27 | 2014-06-18 | 萨塔有限两合公司 | Cup connecting structure of spray gun and spray gun provided with same |
| CN203778239U (en) * | 2014-03-06 | 2014-08-20 | 金华市金顺工具有限公司 | Quick release type electric spray gun |
| CN204448356U (en) * | 2014-12-31 | 2015-07-08 | 宁波市康欣机电有限公司 | A kind of liquid discharge device of spray gun |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7350723B2 (en) * | 2004-06-28 | 2008-04-01 | Just A Simple Thing, Inc | Cordless, self-contained, handheld spray gun |
-
2014
- 2014-12-31 CN CN201410850513.1A patent/CN104549823B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8720798B2 (en) * | 2011-12-15 | 2014-05-13 | Rick Lynn | Drywall spray gun |
| CN203648750U (en) * | 2013-09-27 | 2014-06-18 | 萨塔有限两合公司 | Cup connecting structure of spray gun and spray gun provided with same |
| CN203778239U (en) * | 2014-03-06 | 2014-08-20 | 金华市金顺工具有限公司 | Quick release type electric spray gun |
| CN204448356U (en) * | 2014-12-31 | 2015-07-08 | 宁波市康欣机电有限公司 | A kind of liquid discharge device of spray gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104549823A (en) | 2015-04-29 |
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Granted publication date: 20170201 Termination date: 20181231 |