CN201419877Y - Environmental-protection hydraulic pump - Google Patents
Environmental-protection hydraulic pump Download PDFInfo
- Publication number
- CN201419877Y CN201419877Y CN2009200550186U CN200920055018U CN201419877Y CN 201419877 Y CN201419877 Y CN 201419877Y CN 2009200550186 U CN2009200550186 U CN 2009200550186U CN 200920055018 U CN200920055018 U CN 200920055018U CN 201419877 Y CN201419877 Y CN 201419877Y
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- pump
- piston
- catheter
- liquid
- spring
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Abstract
The utility model discloses an environmental-protection hydraulic pump which is applied to packaging bottles of daily chemicals, comprising a pump body, a pump cavity, a spring, a piston, a piston, aliquid drainage pipe, a liquid inlet, a liquid outlet and a pump mouth; the piston is arranged in the pump body, a hollow liquid drainage pipe is connected between the pump mouth and the piston, the spring is assembled on the outer surface of the liquid drainage pipe between the piston and the pump mouth, a locking cover is arranged between the pump body and the pump mouth, and the locking cover and the pump body are matched by screw threads. The locking cover is provided with spiral teeth, and the spring is clamped by the spiral teeth. The piston is assembled on the liquid drainage pipe, thepiston comprises an inner circle pipe and an outer circle pipe which are concentric, and the middle parts of the inner circle pipe and the outer circle pipe are fixedly connected in a sealing way. Theliquid drainage pipe is provided with thinner neck-shaped liquid drainage pipe, one end of the neck-shaped liquid drainage pipe is communicated with the liquid drainage pipe, and the other end is connected with the sealed liquid drainage pipe. The neck-shaped liquid drainage pipe is provided with the liquid outlet, the liquid inlet which is connected with the pump cavity is provided with a one-way check valve. The environmental-protection hydraulic pump can ensure the spring not to be eroded by liquid, so as to ensure the quality of the liquid; the environmental-protection hydraulic pump hasthe advantages of environmental protection and low cost.
Description
Technical field
The utility model relates to a kind of compressing pump, relates in particular to a kind of liquid compression pump that is applied to the cosmetics of everyday use Packaging Bottle.
Background technology
Having greatly in the market, liquid cosmetics of everyday use such as cosmetics, individual protection articles for use, family preservation articles for use and washing cleaning supplies etc. are to adopt the bottle or the jar that have Hydraulic Pump to pack.Owing to adopt the bottle have Hydraulic Pump or jar pack cosmetics of everyday use, during use, only need gently once by the liquid that needing can obtain easily, loosing one's grip can the stop liquid conveying.Easy to use and simple clean and tidy.Therefore the parent who is subjected to customer and businessman day by day looks at.
Hydraulic Pump of the prior art normally by the spring in the Piston Compression pump chamber, is realized the conveying of liquid by stretching of spring, in actual the use, inevitably can exist spring to be dipped in situation in the liquid.Because these liquid all have certain acidity or alkaline, and metal spring is corroded by acidity or akaline liquid easily, produces certain metallic ion, makes inevitable pick-up metal ion in the liquid, thereby influence the quality of liquid itself.
Therefore, in order to address the above problem, provide a kind of environmental protection Hydraulic Pump that can address the above problem real for necessary.
Summary of the invention
At the deficiencies in the prior art, main purpose of the present utility model is to provide the Hydraulic Pump of liquid that can not corrosion spring in a kind of use.
To achieve these goals, the environmental protection Hydraulic Pump that provides of the utility model keeps apart spring and liquid to avoid the purpose of liquid corrosion spring.
The technical scheme that a kind of environmental protection Hydraulic Pump of the utility model adopts is:
A kind of environmental protection Hydraulic Pump, comprise the pump housing, pump chamber, spring, piston, catheter, inlet, liquid outlet and pump mouth, be provided with piston in the described pump housing, be connected with hollow catheter between described pump mouth and the described piston, described spring is assemblied between described piston and the described pump mouth.Described spring is placed in described catheter outside face.Be provided with locking closure between the described pump housing and the described pump mouth, the described locking closure and the described pump housing pass through screw thread fit.Described locking closure is provided with thread, and described spring is blocked by described thread.Described piston is assemblied in described catheter.Described piston comprises two-layer concentric interior pipe and outer pipe, the middle part fixed seal connection of described interior pipe and described outer pipe.Described catheter is provided with thinner neck shape catheter, and described neck shape catheter one end is communicated with described catheter, with the other end bonded assembly catheter of described neck shape catheter be leak free.Described neck shape catheter is provided with liquid outlet.Be provided with one way stop peturn valve with described pump chamber bonded assembly inlet.
A kind of environmental protection Hydraulic Pump that the utility model provides has following beneficial effect:
A kind of environmental protection Hydraulic Pump that the utility model provides spring is assemblied between piston and the pump mouth, and spring is placed in the outside face of described catheter.One end of spring is by the piston location of catheter external mounting, and the other end of spring is by the thread location of locking closure.Because catheter is provided with thinner neck shape catheter, described neck shape catheter one end is communicated with described catheter, with the other end bonded assembly catheter of described neck shape catheter be leak free.Piston comprises two-layer concentric interior pipe and outer pipe, the middle part fixed seal connection of described interior pipe and described outer pipe.The neck shape catheter part that piston bush is connected on catheter can realize good sealing effectiveness.When piston was installed in the pump chamber, piston can be kept apart the liquid in the pump chamber, avoided spring to immerse in the liquid or contact liq.By the isolation of piston, the liquid in spring and the pump chamber is fully kept apart.Spring can not contact with liquid, thereby does not exist spring to be discharged metallic ion by liquid corrosion, influences the problem of the quality of liquid.
In addition, be provided with locking closure between the pump housing and the described pump mouth, the described locking closure and the described pump housing pass through screw thread fit, catheter passes from the locking closure center, described locking closure is provided with thread, described spring is blocked by described thread, and the action radius of spring can not crossed thread, must stretch in the scope between thread and the piston.Spring is in the catheter outside face between piston and the locking closure.Therefore, not having liquid in the zone of the pump housing at spring place exists.Can effectively prevent to contact with spring in the liquid course of conveying, prevent the liquid corrosion spring and influence the quality of liquid.Therefore, a kind of environmental protection Hydraulic Pump of the utility model can guarantee the quality of liquid, has the advantage of environmental protection.
Simultaneously, because a kind of environmental protection Hydraulic Pump of the utility model has solved the corrosion of liquid to spring effectively by spring and liquid are isolated.Therefore, use general steel spring just can meet the demands, do not need as in the prior art for best endeavors reduce the spring that liquid adopts expensive stainless steel material to make to the corrosion of spring, thereby reduced the cost of product.
Description of drawings
Fig. 1 is the scheme drawing of a kind of preferred version of a kind of environmental protection Hydraulic Pump of the utility model,
Fig. 2 is the scheme drawing of the piston of Fig. 1,
Fig. 3 is the scheme drawing of the neck shape catheter of Fig. 1.
The specific embodiment
Below in conjunction with the specific embodiment a kind of environmental protection Hydraulic Pump of the utility model is further described.
As shown in Figure 1, a kind of environmental protection Hydraulic Pump of the utility model comprises the pump housing 1, pump chamber 2, spring 3, piston 4, catheter 5, inlet 6, liquid outlet 8 and pump mouth 7.The pump housing 1 is the thin structure in thick bottom, top, and this design makes the groundwork interval part thicker on top of piston 4.
Be provided with piston 4 in the pump housing 1, be connected with hollow catheter 5 between pump mouth 7 and this piston 4, spring 3 is assemblied between this piston 4 and this pump mouth 7.Catheter 5 is used to provide the transfer passage of liquid.Spring 3 is assemblied between piston 4 and the pump mouth 7, and this design has been avoided prior art medi-spring 3 to be dipped in the pump chamber 2 dexterously and has been subjected to the corrosion of liquid.
More preferably, spring 3 is placed in the outside face of catheter 5.This design can guarantee that liquid can not make spring 3 contact with liquid by catheter 5 efflux pump mouths 7 when this environmental protection hydraulic pump works state, and spring 3 and liquid are kept apart, and has avoided spring 3 to be influenced the quality of liquid by liquid corrosion.
More preferably, be provided with locking closure 9 between the described pump housing 1 and the described pump mouth 7, described locking closure 9 passes through screw thread fit with the described pump housing 1, catheter 5 passes from locking closure 9 centers, described locking closure 9 is provided with thread 91, described spring 3 is blocked by described thread 91, and the action radius of spring 3 can not crossed thread 91, must stretch in the scope between thread 91 and the piston 4.Spring 3 is in catheter 5 outside faces between piston 4 and the locking closure 9.Therefore, not having liquid in the zone of the pump housing at spring 3 places exists.Can effectively prevent to contact with spring 3 in the liquid course of conveying,
More preferably, piston 4 is assemblied in catheter 5.
As shown in Figure 2, piston 4 comprises two-layer concentric interior pipe 41 and outer pipe 42, middle part 43 fixed seal connections of described interior pipe 41 and described outer pipe 42.
As shown in Figure 3, catheter 5 is provided with thinner neck shape catheter 51, and described neck shape catheter 51 1 ends are communicated with described catheter 5, with the other end bonded assembly catheter 50 of described neck shape catheter 51 are leak frees.As Fig. 1, shown in Figure 3, this neck shape catheter 51 is provided with liquid outlet 8.When piston 4 when neck shape catheter 51 slides up and down, correspondingly can seal or spill liquid outlet 8.
Like this, only need piston 4 is placed in neck shape catheter 51 parts of catheter 5.The interior annulus 41 and the neck shape catheter 51 of piston 4 can be combined closely, and can slide along neck shape catheter 51.The two ends of neck shape catheter 51 all with than himself thicker catheter are connected, the action radius that this design can limited piston 4, and piston 4 slides when thicker catheter contacts, and will block, and therefore, piston 4 is only to slide along neck shape catheter 51 parts.The interior pipe 41 of piston 4 and middle part 43 fixed seal connections of outer pipe 42, can guarantee after piston 4 is installed on catheter 5, the space of the pump chamber 2 that the pump housing 1 is isolated by piston 4 and spring 3 parts on piston 4 tops forms hermetically-sealed construction, guarantee that this Hydraulic Pump can effectively work, and prevent the seepage of liquid.Catheter 50 is leak frees, this design can make this environmental protection Hydraulic Pump, liquid can pass through liquid outlet 8 efflux pump mouths 7 when being in pressed state, and after removing pressure spring 3 answers, liquid outlet 8 is gone into for 5 times in the piston 4 because of the answer drive catheter of spring 3, because the bottom surface of catheter 5 is that the osed top liquid that can not spills out.
More preferably, as shown in Figure 1, be provided with one way stop peturn valve 10 with pump chamber 2 bonded assembly inlets 6, when pump chamber 2 sucked liquid, one way stop peturn valve 10 was open-minded with inlet 6, and liquid flows to pump chamber 2.When liquid during through liquid outlet 8 sucking-offs, one way stop peturn valve 10 is sealed inlet 6.One way stop peturn valve 10 can be opened or closed this inlet 6 according to running condition, guarantees carrying out like clockwork of various running conditions.
Be further described below in conjunction with the principle of work of concrete use the related a kind of environmental protection Hydraulic Pump of present embodiment.
When hand is pushed gland 11, pump mouth 7 drives catheter 5 and is moved down, because thread 71 blocks spring 3, spring 3 also is subjected to force compresses, and piston 4 also begins to move down along pump chamber 2 inwalls, because gland 11 stressed direct drive catheters 5 move down, and piston 4 needs just to begin to move through after the distortion of spring 3,, therefore, the inlet 8 of catheter 5 ends spills piston 4 at this moment.Simultaneously, piston 4 stressed moving down, the volume of pump chamber 2 begins to diminish, and the pressure in the pump chamber 2 begins to increase, and boiler check valve 10 is sealed inlet 6.Pressure in the pump chamber 8 is big, and the liquid in the pump chamber 2 is efflux pump mouth 7 with regard to entering inlet 8 process catheters 5.
When hand leaves gland 11, spring 3 begins to reply, and the elastic force of spring 3 makes catheter 5 up move rapidly, and the piston 4 that links to each other with spring 3 also begins up mobile, and the liquid outlet of catheter 5 is gone into for 8 times in the piston 4, and liquid outlet 8 is sealed.When piston 4 moved up, the volume of pump chamber 2 increased, and the pressure in the pump chamber 2 begins to see little, and boiler check valve 10 is open, and inlet 6 is opened, and liquid just enters in the pump chamber 2 by inlet 6.
So move in circles, satisfy the demands as required.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1, a kind of environmental protection Hydraulic Pump, comprise the pump housing, pump chamber, spring, piston, catheter, inlet, liquid outlet and pump mouth, be provided with piston in the described pump housing, be connected with hollow catheter between described pump mouth and the described piston, it is characterized in that: described spring is assemblied between described piston and the described pump mouth.
2, environmental protection Hydraulic Pump as claimed in claim 1 is characterized in that: described spring is placed in described catheter outside face.
3, environmental protection Hydraulic Pump as claimed in claim 1 is characterized in that: be provided with locking closure between the described pump housing and the described pump mouth, the described locking closure and the described pump housing pass through screw thread fit.
4, environmental protection Hydraulic Pump as claimed in claim 3, it is characterized in that: described locking closure is provided with thread.
5, as claim 1 or 4 described environmental protection Hydraulic Pumps, it is characterized in that: described spring is blocked by described thread.
6, environmental protection Hydraulic Pump as claimed in claim 1, it is characterized in that: described piston is assemblied in described catheter.
7, environmental protection Hydraulic Pump as claimed in claim 3 is characterized in that: described piston comprises two-layer concentric interior pipe and outer pipe, the middle part fixed seal connection of described interior pipe and described outer pipe.
8, environmental protection Hydraulic Pump as claimed in claim 1 is characterized in that: described catheter is provided with thinner neck shape catheter, and described neck shape catheter one end is communicated with described catheter, with the other end bonded assembly catheter of described neck shape catheter be leak free.
9, environmental protection Hydraulic Pump as claimed in claim 5 is characterized in that: described neck shape catheter is provided with liquid outlet.
10, environmental protection Hydraulic Pump as claimed in claim 1 is characterized in that: be provided with one way stop peturn valve with described pump chamber bonded assembly inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200550186U CN201419877Y (en) | 2009-04-21 | 2009-04-21 | Environmental-protection hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200550186U CN201419877Y (en) | 2009-04-21 | 2009-04-21 | Environmental-protection hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201419877Y true CN201419877Y (en) | 2010-03-10 |
Family
ID=41806529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200550186U Expired - Fee Related CN201419877Y (en) | 2009-04-21 | 2009-04-21 | Environmental-protection hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201419877Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388570A (en) * | 2013-08-13 | 2013-11-13 | 上海创馨化妆品有限公司 | Vacuum pump |
| CN103964056A (en) * | 2013-01-31 | 2014-08-06 | 丁要武 | Press type liquid pump |
-
2009
- 2009-04-21 CN CN2009200550186U patent/CN201419877Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964056A (en) * | 2013-01-31 | 2014-08-06 | 丁要武 | Press type liquid pump |
| CN103388570A (en) * | 2013-08-13 | 2013-11-13 | 上海创馨化妆品有限公司 | Vacuum pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20130421 |