CN2715856Y - High-pressure hand pump - Google Patents
High-pressure hand pump Download PDFInfo
- Publication number
- CN2715856Y CN2715856Y CN 200420023305 CN200420023305U CN2715856Y CN 2715856 Y CN2715856 Y CN 2715856Y CN 200420023305 CN200420023305 CN 200420023305 CN 200420023305 U CN200420023305 U CN 200420023305U CN 2715856 Y CN2715856 Y CN 2715856Y
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- CN
- China
- Prior art keywords
- high pressure
- ball
- feed tube
- pressure hand
- hand pump
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Abstract
Disclosed is a high-pressure hand pump whose body is composed of an inner pipe and an outer pipe which are sheathed with each other. One end of the outer pipe and an outer liquid inlet pipe are in line connection, and the other end of the outer pipe and an inner liquid inlet pipe are in line connection. The bush of the outer liquid inlet pipe is provided with a flow-stop ball, and the flow-stop ball is positioned by a fastener. One end of the inner pipe is connected with an inner bush, and the other end of the inner pipe is connected with an infusion coupling head. The inner bush is provided with a flow-stop ball, the flow-stop ball is positioned by a spring and a spring needle, and a hand bar is arranged on one end of the inner pipe. The utility model which has the advantages of simple structure, higher generated pressure, better sealability, safety, etc, is the high-pressure hand pump prepared by a sleeve-shaped integral type two-chamber pressurizing technique.
Description
Technical field
The utility model relates to a kind of spraying equipment, especially relates to a kind of high pressure hand pump that adopts the two chambers of sleeve shaped integral type supercharging technology.
Technical background
At present, along with agriculture and forestry and Developing of Animal Industry, the application of spraying equipment more and more widely.The pump housing is important part in the sprayer, and the quality of the pump housing directly influences spray effect.And the common sprayer pump housing mostly is hand-rail type, complex structure, and part is many, is out of order easily.And its pumping rate is slower, and the pressure of generation is less, so cause spray height or spray effect not good.When being used for that orchard or dense plant sprayed medicine, because height of tree branch is luxuriant, often the spray effect of Chan Shenging is relatively poor, does not reach expected effect, has incured loss through delay the spray medicine date, thereby economic benefit is incurred loss.
Summary of the invention
The utility model has solved the complex structure that prior art exists, and pumping rate is slower, and the technical problem of the less grade of the pressure of generation provides a kind of simple in structure, and pumping rate is very fast, and the bigger high pressure hand pump of pressure that produces.
It is relatively poor that the utility model has also solved the sealing that prior art exists, and the technical problem that safety and reliability are not high provides a kind of sealing better, safe and reliable high pressure hand pump.
Above-mentioned technical purpose of the present utility model mainly is by technical scheme solution once: a kind of high pressure hand pump, it is characterized in that described high pressure hand pump main body is nested by inner and outer pipes forms, one end of outer tube is connected with outer feed tube lining, the other end is connected with interior feed tube lining, in the outer feed tube lining fluid stopping ball is housed, the ball snaps into position; One end of interior pipe is connected with neck bush, and the other end is connected with the transfusion connector, and the fluid stopping ball is housed in the neck bush, and ball is by spring and spring needle location; And be provided with the hand rod at an end place of interior pipe.When managing in hand-held hand rod is twitched, the ball over liquid squeezes in the feed tube lining enters into outer tube bore.When managing in the extruding, the ball closure in the outer feed tube lining, the pressure of outer tube bore rises, and along with the rising of pressure, liquid squeezes the ball of opening in the inner tube portion neck bush, thereby outside tube cavity is injected in passing.The utility model adopts the two chambers of sleeve shaped integral type supercharging technology, and inner and outer pipes all adopts the extruding copper pipe, and the pump housing is identical with the type of attachment and the common sprayer of sprayer casing.Hand pump can connect single using or multifunctional nozzle as required, when using list to use shower nozzle, because of the pressure of its generation is bigger, so can obtain higher spraying altitude.When using multifunctional nozzle, can be used for the pesticide spraying of all crops such as tangerine garden, mulberry field, paddy rice and rape, the sprinkling area coverage is bigger, remarkable in economical benefits.
As preferably, between described outer feed tube lining and outer tube, between interior feed tube lining and outer tube, be equipped with the O RunddichtringO between neck bush and interior pipe, in described, be provided with rubber sealing ring between the end of pipe and the transfusion connector.The setting of sealing ring can make the pump housing obtain the better seal performance, thereby makes pumping rate accelerate, and the pressure of generation is higher.
As preferably, the 1.5-2.5 that the diameter of described fluid stopping ball is respectively the water inlet pipe aperture of outer feed tube lining and aperture, neck bush bottom surface doubly.When the diameter of fluid stopping ball was in this scope, ball had better seal and open function, had avoided problem bad because of the excessive or too small sealing that causes of ball or that be difficult for flicking etc.
As preferably, described spring needle apart from the height of neck bush bottom surface be equal to or slightly less than adding of former length of spring and ball diameter and.In this case, twitch liquid when entering into outer tube bore when interior pipe, spring is in the nature elongation state, and this moment, ball can be preferably matches with the round table surface of neck bush lower end, thereby played sealing function.When managing in the extruding, can flick the situation of having avoided spring stress to cause ball to be difficult for flicking too by force again easily at continuous elevated pressure effect lower spring.
As preferably, the water inlet pipe outer rim of described outer feed tube lining is provided with the zigzag projection, and the setting of this projection can prevent coming off of coupled rubber tube.
Therefore, the utlity model has simple in structurely, characteristics such as the pressure of generation is higher, and sealing is better and safe and reliable are a kind of high pressure hand pumps that adopts the two chambers of sleeve shaped integral type supercharging technology to be prepared from.
Description of drawings
Accompanying drawing 1 is a kind of sectional structure schematic diagram of the present utility model.
Specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, high pressure hand pump main body described in the utility model is nested by inner and outer pipes and forms, one end of outer tube 1 is connected with outer feed tube lining 3, the other end is connected with interior feed tube lining 4, in the outer feed tube lining 3 fluid stopping ball 5 is housed, its diameter is the twice in water inlet pipe 13 (this water inlet pipe outer rim the is provided with zigzag projection 14) aperture on the outer feed tube lining 3, these ball 5 usefulness buckles 6 location.One end of interior pipe 2 connects with neck bush 7, and the other end is connected with transfusion connector 8, is provided with rubber sealing ring 16 between the two.2 of feed tube lining 3 and outer tubes, interior feed tube lining 4 and 2 of outer tubes, neck bush 7 and 2 of interior pipes are equipped with O RunddichtringO 15 outside.Fluid stopping ball 9 is housed in the neck bush 7, and ball 9 is by spring 10, spring needle 11 location, and wherein the diameter of ball 9 is 2 times of aperture on the neck bush bottom surface, spring needle 11 apart from the height of neck bush 7 bottom surfaces equal spring 10 former length and ball 9 diameters adding with.In addition, be provided with hand rod 12 at an end place of interior pipe 2.When in hand-held hand rod 12 is twitched, managing 2, owing to the pressure in outer tube 1 inner chamber descends, thus the ball 5 in the feed tube lining over liquid squeezes, thus enter into outer tube 1 inner chamber.Because this moment, spring 10 was in the nature elongation state, ball 9 can be preferably matches with the round table surface 17 of neck bush lower end, thereby plays sealing function.When managing 2 in the extruding, the pressure in outer tube 1 inner chamber increases, ball 5 closures in the outer feed tube lining 3, along with the rising of pressure, spring 10 is compacted, the round table surface 17 that ball 9 breaks away from the neck bush bottom, thereby make liquid manage 2 inner chambers in passing, outside transfusion connector 8 is injected into.The utility model adopts the two chambers of sleeve shaped integral type supercharging technology, and inner and outer pipes all adopts the extruding copper pipe, and the pump housing is identical with the type of attachment and the common sprayer of sprayer casing.Hand pump can connect as required single with or multifunctional nozzle, use singly when use shower nozzle, spraying altitude can reach 10-13 rice, when using multifunctional nozzle, can make and spray the area coverage increase, exceeds more than 3 times than the efficient of common sprayer.
Claims (9)
1, a kind of high pressure hand pump, it is characterized in that described high pressure hand pump main body is nested by inner and outer pipes forms, one end of outer tube (1) is connected with outer feed tube lining (3), the other end is connected with interior feed tube lining (4), fluid stopping ball (5) is housed in the outer feed tube lining (3), and ball (5) is located with buckle (6); One end of interior pipe (2) is connected with neck bush (7), and the other end is connected with transfusion connector (8), and fluid stopping ball (9) is housed in the neck bush (7), and ball (9) is by spring (10) and spring needle (11) location; And be provided with hand rod (12) at an end place of interior pipe (2).
2, high pressure hand pump according to claim 1 is characterized in that between described outer feed tube lining (3) and outer tube (1), between interior feed tube lining (4) and outer tube (1), be equipped with O RunddichtringO (15) between neck bush (7) and interior pipe (2).
3, high pressure hand pump according to claim 1 and 2 is characterized in that the end of described interior pipe (2) and infuses being provided with rubber sealing ring (16) between the connector (8).
4, high pressure hand pump according to claim 1 and 2 is characterized in that the diameter of described fluid stopping ball (5) and (9) is respectively water inlet pipe (13) aperture of outer feed tube lining (3) and 1.5-2.5 times of neck bush (7) aperture, bottom surface.
5, high pressure hand pump according to claim 3 is characterized in that the diameter of described fluid stopping ball (5) and (9) is respectively water inlet pipe (13) aperture of outer feed tube lining (3) and 1.5-2.5 times of neck bush (7) aperture, bottom surface.
6, according to claim 1 or 2 or 5 described high pressure hand pumps, it is characterized in that described spring needle (11) apart from the height of neck bush (7) bottom surface be equal to or slightly less than adding of former length of spring (10) and ball (9) diameter and.
7, high pressure hand pump according to claim 3, it is characterized in that described spring needle (11) apart from the height of neck bush (7) bottom surface be equal to or slightly less than adding of former length of spring (10) and ball (9) diameter and.
8,, it is characterized in that water inlet pipe (13) outer rim of described outer feed tube lining (3) is provided with zigzag projection (14) according to claim 1 or 2 or 5 or 7 described high pressure hand pumps.
9, high pressure hand pump according to claim 3 is characterized in that water inlet pipe (13) outer rim of described outer feed tube lining (3) is provided with zigzag projection (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023305 CN2715856Y (en) | 2004-05-27 | 2004-05-27 | High-pressure hand pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420023305 CN2715856Y (en) | 2004-05-27 | 2004-05-27 | High-pressure hand pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2715856Y true CN2715856Y (en) | 2005-08-10 |
Family
ID=34870651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420023305 Expired - Fee Related CN2715856Y (en) | 2004-05-27 | 2004-05-27 | High-pressure hand pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2715856Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245312A (en) * | 2008-10-28 | 2011-11-16 | 洛夫罗·戈托瓦克 | A hand pump for discharging fluid |
-
2004
- 2004-05-27 CN CN 200420023305 patent/CN2715856Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245312A (en) * | 2008-10-28 | 2011-11-16 | 洛夫罗·戈托瓦克 | A hand pump for discharging fluid |
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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 |