CN2566946Y - High-pressure spray gun - Google Patents
High-pressure spray gun Download PDFInfo
- Publication number
- CN2566946Y CN2566946Y CN 02248047 CN02248047U CN2566946Y CN 2566946 Y CN2566946 Y CN 2566946Y CN 02248047 CN02248047 CN 02248047 CN 02248047 U CN02248047 U CN 02248047U CN 2566946 Y CN2566946 Y CN 2566946Y
- Authority
- CN
- China
- Prior art keywords
- nozzle
- interconnection
- subpost
- spanner
- suction pump
- 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
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Abstract
The utility model relates to a high-pressure spray gun. The utility model comprises a basic frame, a nozzle, a spanner, a suction pump and a one-way valve. The utility model is characterized in that a transverse passage is positioned above the suction pump in the basic frame, a spring, a subpost and the nozzle are orderly arranged in the transverse passage from inner to outer, a spout of the nozzle is held by the front end of the subpost, a ring sealing ring with an outer diameter matched with the transverse passage is arranged on the back part, and a hole which is arranged on the transverse passage between the sealing ring and the nozzle is communicated with a liquid outlet of the suction pump. The function is to enable liquid in the suction pump to be prepressed before being spouted out.
Description
Technical field
The utility model relates to a kind of spray gun, particularly a kind of high-pressure spray gun.
Background technology
The existing spray gun that is used for atomizing of liquids, comprise pedestal, nozzle, spanner, suction pump and check valve, suction pump laterally places in the pedestal, its liquid sucting port be provided with the opening one-way valve and communicate with liquid storage bottle downwards, liquid outlet is provided with the opening one-way valve and also makes progress and communicate with nozzle on the pedestal, pull spanner during use and push principal post in the suction pump, the liquid in the liquid storage bottle is outwards sprayed by the piston on the principal post; Jet velocity when the shortcoming of this spray gun is the outside atomizing of liquids of suction pump is difficult to control, jeting effect is poor, particularly when the speed of pulling spanner is too slow, liquid just flows out from nozzle, do not reach eject request, and when spray be the band corrosive liquids time, defluent liquid can flow to and pull spanner on hand, the infringement hand health from the nozzle; And this spray gun in suction pump laterally place, make its complex structure.
Summary of the invention
Be difficult to control in order to solve the jet velocity that exists in the existing spray gun, the problem of jeting effect difference, the utility model provides a kind of high-pressure spray gun simple in structure.
Technical scheme:
First technical scheme, a kind of high-pressure spray gun, comprise pedestal, nozzle, spanner, suction pump and check valve, it is characterized in that being positioned in the pedestal suction pump top and be provided with interconnection, be placed with spring, subpost and nozzle in the interconnection from inside to outside in proper order, spout, the rear portion that the subpost front end withstands nozzle is provided with the annular sealing ring that external diameter and interconnection match, and has the hole on the interconnection between sealing ring and nozzle and communicates with the liquid outlet of suction pump.
Second technical scheme, a kind of high-pressure spray gun, comprise pedestal, nozzle, spanner and check valve, it is characterized in that being provided with in the pedestal interconnection, be placed with spring in the interconnection from inside to outside in proper order, subpost and nozzle, the subpost front end withstands the spout of nozzle, the rear portion is provided with the annular sealing ring that external diameter and interconnection match, sealing ring is provided with the tube connector that communicates with interconnection with interconnection downside between nozzle, tube connector outer cylinder bottom is fixed with the plug of overcoat body, body is with outward that internal diameter and this body diameter match is fixed on limit base on the pedestal, check valve that the body bottom is provided with out and the suction pipe that stretches out the limit base below, body top stretch out the outer part of limit base and are provided with annular apical ring, between its bottom and limit base spring is housed; The spanner inboard is provided with the roof limb that stretches to body apical ring downside, and roof limb upwards moves upward body in the top body apical ring when pulling spanner.
The operation principle of second technical scheme, when pulling spanner, the roof limb of spanner upwards pushes up the body apical ring, body is moved upward, the closed check valve that this moment, the body bottom can only upwards be opened, and the spout of nozzle is stopped up by subpost, have only when the power of pulling spanner is enough big, intrinsic pressure pushes up subpost backward by sealing ring, and subpost is separated with the spout of nozzle, and liquid sprays from nozzle through the gap of interconnection and subpost in the body, before the outside injection of liquid in the body, in the body inner accumulated enough pressure, so jet velocity is enough big, jeting effect is guaranteed; After unclamping the hand of pulling spanner, reset downwards under the body spring force effect within it, pressure in it descends rapidly, the spout that subpost is pushed to nozzle by spring force stops up spout again, and the last opening one-way valve of body bottom is upwards opened suction pipe in stretching to bottle and liquid is sucked to prepare against in the body used when pushing spanner next time.
It is different that wherein the difference of first technical scheme and second technical scheme is second technical scheme its structure of suction pump and the common suction pump structure that adopt, and the operation principle of the subpost in two schemes is the same, and those of ordinary skill can be understood the operation principle of first technical scheme after the operation principle of understanding above-mentioned second technical scheme.
Beneficial effect:
Owing to adopted technical scheme described in the utility model (comprising first technical scheme and second technical scheme), before liquid in the suction pump outwards sprays, in the suction pump inner accumulated enough pressure, so in case outwards spray, its jet velocity is enough big, jeting effect is guaranteed, and it is simple in structure.The suction pump that second technical scheme is laterally placed principle changes vertical placement into, simplifies the structure, and is convenient to produce.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the internal structure schematic diagram of an embodiment of the described high-pressure spray gun of the utility model second technical scheme.
Fig. 2 be among Fig. 1 embodiment spanner by the view after inwardly pulling.
Fig. 3 is the enlarged drawing of A part among Fig. 2.
Among the figure 1, top cover, 2, nozzle, 202, sealing ring, 21, principal post, 22, subpost, 23, spring, 4, spanner, 401, roof limb, 5, pedestal, 501, interconnection, 502, tube connector, 503, hole, 504, holder, 6, limit base, 7, body, 701, apical ring, 71, spring, 72, plug, 8, suction pipe, 9, bead.
The specific embodiment:
Fig. 1 is the internal structure schematic diagram of an embodiment of the described high-pressure spray gun of the utility model second technical scheme.
As can be seen from Fig. 1, described high-pressure spray gun comprises pedestal 5, nozzle 2, spanner 4 and check valve, and wherein check valve is that a part and bead 9 by body 7 constitutes; Be provided with interconnection 501 in the pedestal 5, be placed with spring 23 in the interconnection 501 from inside to outside in proper order, subpost 22 and nozzle 2, the subpost 22 outer principal posts 21 that are with, subpost 22 front ends withstand the spout of nozzle 2, the rear portion is provided with annular sealing ring 202, sealing ring 202 is provided with the tube connector 502 that communicates with interconnection 501 with interconnection 501 downsides of 2 at nozzle, in being placed in outside the tube connector in plug 72 epimeres of tubulose, the middle part is provided with the annular wing and the body internal diameter matches, 72 of body 7 and plugs are equipped with spring 71, the bottom of body 7 and bead 9 constitute the check valve that can only upwards open, body 7 bottoms are entangled on limit base 6 tops, body 7 downsides are held to 7 position-limiting actions of body in the bottom, limit base 6 is fixed on the pedestal 5 by the holder on the pedestal 5 504, the suction pipe 8 of body 7 bottoms stretches out limit base 6 belows and stretches in the liquid storage bottle (not drawing among the figure) again, and body 7 tops are stretched out limit base 6 outer parts and are provided with annular apical ring 701; Spanner 4 inboards are provided with the roof limb 401 that stretches to body apical ring 701 downsides.
As can be seen from Fig. 2, when pulling spanner 4, the roof limb 401 of spanner upwards pushes up body apical ring 701, the power that makes body 7 overcome spring 71 moves upward, the bead 9 of body 7 bottoms is blocked intrinsic liquid and is not allowed it reflux in liquid storage bottle at this moment, and the spout of nozzle 2 is stopped up by subpost 22, have only when the power of pulling spanner 4 is enough big, pressure in the body 7 pushes up subpost 22 backward by sealing ring 202, subpost 22 is separated with the spout of nozzle 2, and the liquid in the body 7 sprays from nozzle 2 through the gap of principal post 21 with subpost 22; After unclamping the hand of pulling spanner 4, body 7 resets downwards under spring 71 effects, pressure in it descends rapidly, the spout that subpost 22 is pushed to nozzle 2 by spring 23 stops up spout again, the bead 9 of body 7 bottoms is attracted to and makes body 7 and communicate by suction pipe 8 liquid storage bottles, and body 7 sucks liquid in the body 7 by suction pipe 8 and uses when pushing spanner next time.
Claims (2)
1, a kind of high-pressure spray gun, comprise pedestal, nozzle, spanner, suction pump and check valve, it is characterized in that being positioned in the pedestal suction pump top and be provided with interconnection, be placed with spring, subpost and nozzle in the interconnection from inside to outside in proper order, spout, the rear portion that the subpost front end withstands nozzle is provided with the annular sealing ring that external diameter and interconnection match, and has the hole on the interconnection between sealing ring and nozzle and communicates with the liquid outlet of suction pump.
2, a kind of high-pressure spray gun, comprise pedestal, nozzle, spanner and check valve, it is characterized in that being provided with in the pedestal interconnection, be placed with spring in the interconnection from inside to outside in proper order, subpost and nozzle, the subpost front end withstands the spout of nozzle, the rear portion is provided with the annular sealing ring that external diameter and interconnection match, sealing ring is provided with the tube connector that communicates with interconnection with interconnection downside between nozzle, tube connector outer cylinder bottom is fixed with the plug of overcoat body, body is with outward that internal diameter and this body diameter match is fixed on limit base on the pedestal, check valve that the body bottom is provided with out and the suction pipe that stretches out the limit base below, body top stretch out the outer part of limit base and are provided with annular apical ring, between its bottom and limit base spring is housed; The spanner inboard is provided with the roof limb that stretches to body apical ring downside, and roof limb upwards moves upward body in the top body apical ring when pulling spanner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248047 CN2566946Y (en) | 2002-09-13 | 2002-09-13 | High-pressure spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248047 CN2566946Y (en) | 2002-09-13 | 2002-09-13 | High-pressure spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566946Y true CN2566946Y (en) | 2003-08-20 |
Family
ID=33718753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02248047 Expired - Fee Related CN2566946Y (en) | 2002-09-13 | 2002-09-13 | High-pressure spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2566946Y (en) |
-
2002
- 2002-09-13 CN CN 02248047 patent/CN2566946Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |