CN201596594U - Switch device of liquid passage - Google Patents
Switch device of liquid passage Download PDFInfo
- Publication number
- CN201596594U CN201596594U CN2010200265885U CN201020026588U CN201596594U CN 201596594 U CN201596594 U CN 201596594U CN 2010200265885 U CN2010200265885 U CN 2010200265885U CN 201020026588 U CN201020026588 U CN 201020026588U CN 201596594 U CN201596594 U CN 201596594U
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- CN
- China
- Prior art keywords
- mandrel
- button
- stop cover
- liquid
- drive unit
- Prior art date
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- Expired - Fee Related
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Abstract
A switch device of a liquid passage comprises a main body, a nozzle, a driving device, a flexible water stopping plate and a supporting frame. The supporting frame is disposed on a valve base, the flexible water stopping plate is disposed on the supporting frame to match with a liquid outlet on the valve base in a liquid-gas sealing manner, the driving device is arranged inside a mounting cavity and matches with a decompression valve of the flexible water stopping plate, a backpressure cavity communicated with a liquid inlet cavity is disposed between the driving device and the flexible water stopping plate, and the flexible water stopping plate and the valve base form a compressive cavity communicated with the liquid inlet cavity. By adopting the structure, the driving device is operated, a gap is reserved between the driving device and a decompression hole of the flexible water stopping plate, pressure of the backpressure cavity is released, a passage between the liquid inlet cavity and a liquid spraying channel is opened by the flexible water stopping plate, and liquid inside the liquid inlet cavity passes through the valve base and the nozzle fast to be sprayed out; and further, the driving device is released, the decompression hole of the of the flexible water stopping plate is blocked by a central spindle under elastic force, and the passage between the liquid inlet cavity and the liquid spraying channel is closed by the flexible water stopping plate so as to stop spraying liquid.
Description
Technical field
The utility model relates to a kind of switching device of fluid path, especially a kind of liquid spray gun.
Background technology
Present prior art, a kind of switching device of fluid path, the pressure handle or the button that comprise body, nozzle, spool and valve rod and connection valve rod have admission chamber, hydrojet passage and the spool that is interconnected, the installation cavity of valve rod on the described body, nozzle is arranged on the hydrojet passage.Existing problems are: when admission chamber pressure is higher, and when opening fluid passage, because of the suffered s of spool is very big, can be very painstaking during operation, can shorten the life-span of pressure handle or button simultaneously.
Summary of the invention
The purpose of this utility model is: the switching device that a kind of fluid path is provided, move by mandrel and to close or to open relief hole, control the elastic waterstop sheet and open or close fluid path, mandrel is mobile still very light when admission chamber pressure is very high, so operation easily, has prolonged the life-span of drive unit simultaneously effectively.
The utility model is achieved in that a kind of switching device of fluid path comprises body, nozzle and drive unit, and the installation cavity of the admission chamber, hydrojet passage and the drive unit that are interconnected is arranged on the described body, and nozzle is arranged on the hydrojet passage; Its special character is: described nozzle is with externally threaded cylindrical shell, valve seat and water outlet cover to constitute; Some spray holes are arranged on the water outlet cover; Valve seat, water outlet cover are separately positioned on the cylindrical shell upper and lower end, and cylindrical shell is threaded with the hydrojet passage;
The elastic waterstop sheet and the bracing frame that also comprise a band relief hole; Bracing frame is arranged on the valve seat, and the elastic waterstop sheet is arranged on the bracing frame, cooperates with fluid hole liquid hermetic seal on the valve seat; Drive unit is arranged in the installation cavity, and drive unit cooperates with the relief hole of elastic waterstop sheet, between drive unit and the elastic waterstop sheet back pressure cavity that communicates with admission chamber is arranged; The elastic waterstop sheet constitutes the pressurized chamber that communicates with admission chamber with valve seat.
The switching device of described a kind of fluid path, its special character is: described drive unit is made of last stop cover, mandrel, driving lever and button, last stop cover and the hermetic seal of installation cavity liquid, mandrel lower end are passed stop cover and are cooperated with the relief hole of elastic waterstop sheet; Driving lever is arranged on the mandrel between the ring platform of stop cover and mandrel, cooperates with sled point on the last stop cover, and button is arranged on installs the top of putting the chamber, between the ring platform of button and mandrel a compression spring is arranged.
The switching device of described a kind of fluid path, it is characterized in that: described drive unit is made of last stop cover, mandrel, button, slide block and back-moving spring, last stop cover and the hermetic seal of installation cavity liquid, mandrel lower end are passed stop cover and are cooperated with the relief hole of elastic waterstop sheet;
The lower surface of button is wedge shape; Slide block has a gathering sill, a wedge shape shoulder, and slide block is arranged on the ring platform of stop cover, and gathering sill cooperates with mandrel; Back-moving spring is arranged between gathering sill end and the button; The lower surface of button cooperates with the wedge shape shoulder of slide block; One compression spring is arranged between the ring platform of button and mandrel.
The switching device of described a kind of fluid path, its special character is: described drive unit is made of last stop cover, mandrel, button, skid plate, positioning seat and slip locking bar, last stop cover and the hermetic seal of installation cavity liquid, mandrel lower end are passed stop cover and are cooperated with the relief hole of elastic waterstop sheet; Positioning seat is fixed on the stop cover, has on the positioning seat snap close position is arranged in sliding tray, the sliding tray; Slip slide bar and button are one-body molded to be made, and the latch hook of slip slide bar end slides with sliding tray and the snap close position cooperates; Skid plate is enclosed within on the mandrel, is supported by last stop cover, between the ring platform of button and mandrel a compression spring is arranged.
The switching device of a kind of fluid path of the utility model, owing to adopt such structure, the operation drive unit, the appearance gap of the relief hole of drive unit and elastic waterstop sheet, the back pressure cavity pressure release, the elastic waterstop sheet is opened admission chamber and hydrojet interchannel path, and the feed liquor intracavity liquid is fast by valve seat, the ejection of water outlet cover; Releasing driving device, under the elastic force effect, the relief hole of elastic waterstop sheet is blocked by mandrel, and the back pressure cavity fluid pressure raises, and the elastic waterstop sheet is closed admission chamber and hydrojet interchannel path, stops to spray liquid.
Description of drawings
Fig. 1 is the cutaway view of utility model.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is a front view explosive view of the present utility model.
Fig. 4 is the partial sectional view of second kind of embodiment of the utility model.
Fig. 5 is the cutaway view of the third embodiment of the utility model.
Fig. 6 is the schematic diagram of the positioning seat of the third embodiment of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of liquid spray gun comprises body 1, nozzle 2 and drive unit, and the installation cavity 13 of the admission chamber 11, hydrojet passage 12 and the drive unit that are interconnected is arranged on the described body 1, and nozzle 2 is arranged on the hydrojet passage 12; Described nozzle 2 is with externally threaded cylindrical shell 21, valve seat 22 and water outlet cover 23 to constitute; Some spray holes are arranged on the water outlet cover 23; Valve seat 22, water outlet cover 23 are separately positioned on cylindrical shell 21 upper and lower ends, and cylindrical shell 21 is threaded with hydrojet passage 12;
The elastic waterstop sheet 3 and the bracing frame 4 that also comprise a band relief hole; Bracing frame 4 is arranged on the valve seat 22, and elastic waterstop sheet 3 is arranged on the bracing frame 4, cooperates with fluid hole liquid hermetic seal on the valve seat 22; Drive unit is arranged in the installation cavity 13, drive unit cooperates with the relief hole of elastic waterstop sheet 3, back pressure cavity 5 with admission chamber 11 is arranged between drive unit and the elastic waterstop sheet 3, back pressure cavity 5 communicates with admission chamber 11 by damping hole 51, the damping hole sectional area is much smaller than the relief hole sectional area, and elastic waterstop sheet 3 constitutes the pressurized chamber 24 that communicates with admission chamber 11 with valve seat 22.
Described drive unit is made of last stop cover 6, mandrel 7, driving lever 8 and button 9, last stop cover 6 and installation cavity 13 liquid hermetic seals, and mandrel 7 lower ends are passed stop cover 6 and are cooperated with the relief hole of elastic waterstop sheet 3; Driving lever 8 is arranged on the mandrel 7 between the ring platform 71 of stop cover 6 and mandrel 7, cooperates with sled point 61 on the last stop cover 6, and button 9 is arranged on installation cavity 13 tops, between button 9 and the mandrel 7 ring platforms 71 compression spring is arranged.
The utility model in use, state 1 is promptly closed hold mode: mandrel is blocked relief hole for 7 this moments fully, this moment, pressurized chamber and intake antrum pressure all equaled intake antrum pressure, but the back pressure cavity compression area of elastic waterstop sheet is greater than pressurized chamber compression area, so keep the elastic waterstop sheet to pressing down, keep the water route to close, mandrel is subjected to spring force simultaneously, also keeps blocking relief hole.
As shown in Figure 4, described drive unit is made of last stop cover 6, mandrel 7, button 9, slide block 10 and back-moving spring, last stop cover 6 and installation cavity 13 liquid hermetic seals, and mandrel 7 lower ends are passed stop cover 6 and are cooperated with the relief hole of elastic waterstop sheet 3;
The lower surface of button 9 is wedge shape; Slide block 10 has a gathering sill 10A, a wedge shape shoulder 10B, and slide block 10 is arranged on the ring platform 62 of stop cover 6, and gathering sill 10A cooperates with mandrel 7; Back-moving spring is arranged between gathering sill 10A end and the button 9; The lower surface of button 9 cooperates with the wedge shape shoulder 10B of slide block 10; One compression spring is arranged between the ring platform 71 of button 9 and mandrel 7.
During use, touch the button 9 down, button 9 lower surfaces cooperate with the wedge shape shoulder 10B of slide block 10, slide and move, compression reseting spring, slide block 10 make the relief hole on mandrel 7 and the elastic waterstop sheet 3 gap occur, and relief hole is opened, back pressure cavity is in pressure release state (because damping hole is little more a lot of than relief hole), the pressure of the back pressure cavity of elastic waterstop sheet is much smaller than the pressurized cavity pressure at this moment, and the elastic waterstop sheet is stressed upwards to be moved, and open in the water route.Button 9 loses pressure, and back-moving spring makes slide block 10, and compression spring resets button 9, and compression spring moves down mandrel simultaneously, closes relief hole, and Pressure in Back-pressure Cavity raises, and the elastic waterstop sheet presses down, and closes the water route.
As Fig. 5, shown in Figure 6, described drive unit is made of last stop cover 6, mandrel 7, button 9, skid plate 8, positioning seat 14 and slip locking bar 91, last stop cover 6 and installation cavity 13 liquid hermetic seals, mandrel 7 lower ends are passed stop cover 6 and are cooperated with the relief hole of elastic waterstop sheet 3; Positioning seat 14 is fixed on the stop cover 6, as shown in Figure 6, has on the positioning seat 14 in annular sliding tray 141, the sliding tray 141 snap close position 142 is arranged; Slip slide bar 91 and button 9 one-body molded making, the latch hook 911 of slip slide bar 91 ends cooperates with sliding tray 141 and snap close position 142; Skid plate 8 is enclosed within on the mandrel 7, is supported by last stop cover 6, and skid plate 8 cooperates with sled point 61 on the last stop cover 6, between the ring platform 71 of button 9 and mandrel 7 compression spring is arranged.
Under touch the button 9, latch hook 911 on the slip locking bar 91 slides in sliding tray 141, latch hook 911 cooperates with snap close position 142, this moment, button was pressed skid plate, and skid plate levers up mandrel, and back pressure cavity is in pressure release state (because damping hole is little more a lot of than relief hole), the pressure of the back pressure cavity of elastic waterstop sheet is much smaller than the pressurized cavity pressure at this moment, the elastic waterstop sheet is stressed upwards to be moved, and open in the water route, and nozzle 2 continues ejection liquid.Touch the button 9 down again, latch hook 911 separates with the snap close position 142 in the sliding tray 141, and under the effect of compression spring, button 9 resets, and mandrel 7 stops up relief hole under the compression spring effect, and Pressure in Back-pressure Cavity raises, and the elastic waterstop sheet is closed the water route.
Claims (4)
1. the switching device of a fluid path comprises body, nozzle and drive unit, and the installation cavity of the admission chamber, hydrojet passage and the drive unit that are interconnected is arranged on the described body, and nozzle is arranged on the hydrojet passage; It is characterized in that: described nozzle is with externally threaded cylindrical shell, valve seat and water outlet cover to constitute; Some spray holes are arranged on the water outlet cover; Valve seat, water outlet cover are separately positioned on the cylindrical shell upper and lower end, and cylindrical shell is threaded with the hydrojet passage;
The elastic waterstop sheet and the bracing frame that also comprise a band relief hole; Bracing frame is arranged on the valve seat, and the elastic waterstop sheet is arranged on the bracing frame, cooperates with fluid hole liquid hermetic seal on the valve seat; Drive unit is arranged in the installation cavity, and drive unit cooperates with the relief hole of elastic waterstop sheet, between drive unit and the elastic waterstop sheet back pressure cavity that communicates with admission chamber is arranged; The elastic waterstop sheet constitutes the pressurized chamber that communicates with admission chamber with valve seat.
2. the switching device of a kind of fluid path according to claim 1, it is characterized in that: described drive unit is made of last stop cover, mandrel, driving lever and button, last stop cover and the hermetic seal of installation cavity liquid, mandrel lower end are passed stop cover and are cooperated with the relief hole of elastic waterstop sheet; Driving lever is arranged on the mandrel between the ring platform of stop cover and mandrel, cooperates with sled point on the last stop cover, and button is arranged on installs the top of putting the chamber, between the ring platform of button and mandrel a compression spring is arranged.
3. the switching device of a kind of fluid path according to claim 1, it is characterized in that: described drive unit is made of last stop cover, mandrel, button, slide block and back-moving spring, last stop cover and the hermetic seal of installation cavity liquid, mandrel lower end are passed stop cover and are cooperated with the relief hole of elastic waterstop sheet;
The lower surface of button is wedge shape; Slide block has a gathering sill, a wedge shape shoulder, and slide block is arranged on the ring platform of stop cover, and gathering sill cooperates with mandrel; Back-moving spring is arranged between gathering sill end and the button; The lower surface of button cooperates with the wedge shape shoulder of slide block; One compression spring is arranged between the ring platform of button and mandrel.
4. the switching device of a kind of fluid path according to claim 1, it is characterized in that: described drive unit is made of last stop cover, mandrel, button, skid plate, positioning seat and slip locking bar, last stop cover and the hermetic seal of installation cavity liquid, mandrel lower end are passed stop cover and are cooperated with the relief hole of elastic waterstop sheet; Positioning seat is fixed on the stop cover, has on the positioning seat snap close position is arranged in sliding tray, the sliding tray; Slip slide bar and button are one-body molded to be made, and the latch hook of slip slide bar end slides with sliding tray and the snap close position cooperates; Skid plate is enclosed within on the mandrel, is supported by last stop cover, between the ring platform of button and mandrel a compression spring is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200265885U CN201596594U (en) | 2010-01-13 | 2010-01-13 | Switch device of liquid passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200265885U CN201596594U (en) | 2010-01-13 | 2010-01-13 | Switch device of liquid passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201596594U true CN201596594U (en) | 2010-10-06 |
Family
ID=42807641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200265885U Expired - Fee Related CN201596594U (en) | 2010-01-13 | 2010-01-13 | Switch device of liquid passage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201596594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334640A (en) * | 2015-07-13 | 2017-01-18 | 广东自由能实业科技有限公司 | Spring-type automatic spraying conjoined nozzle |
| CN108577137A (en) * | 2018-06-02 | 2018-09-28 | 余姚市永佳电器有限公司 | The portable makeups instrument that dusts |
-
2010
- 2010-01-13 CN CN2010200265885U patent/CN201596594U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334640A (en) * | 2015-07-13 | 2017-01-18 | 广东自由能实业科技有限公司 | Spring-type automatic spraying conjoined nozzle |
| CN106334640B (en) * | 2015-07-13 | 2019-10-01 | 广东自由能科技股份有限公司 | A kind of spring sprays disjunctor spray head automatically |
| CN108577137A (en) * | 2018-06-02 | 2018-09-28 | 余姚市永佳电器有限公司 | The portable makeups instrument that dusts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: KAIPING HANSHUN WARE INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: KAIPING XIANGLIN WARE INDUSTRIAL CO., LTD. Effective date: 20101112 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20101112 Address after: 529321, No. third, ring road, F3 Industrial Park, Shuikou Town, Guangdong, Kaiping Patentee after: KAIPING HANSHUN SANITARY WARE INDUSTRIAL CO., LTD. Address before: 529321, No. third, ring road, F3 Industrial Park, Shuikou Town, Guangdong, Kaiping Patentee before: Kaiping XiangLin Sanitary Ware Industrial Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20110113 |