CN205243803U - Telescopic oiling pump - Google Patents
Telescopic oiling pump Download PDFInfo
- Publication number
- CN205243803U CN205243803U CN201520908625.8U CN201520908625U CN205243803U CN 205243803 U CN205243803 U CN 205243803U CN 201520908625 U CN201520908625 U CN 201520908625U CN 205243803 U CN205243803 U CN 205243803U
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- China
- Prior art keywords
- snake abdomen
- telescoping tube
- lid
- runner
- injection pump
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Abstract
The utility model discloses a telescopic oiling pump, it includes the flexible pipe of a snake abdomen, a lid and a pole, the snake abdomen expansion pipe has an one end, but a confined second end and a compression space formed at the flexible intraduct of this snake abdomen, this lid is inside to be a runner, this runner includes an export and a port, the first end of connecting the flexible pipe of this snake abdomen with this port, the second end of the flexible pipe of this snake abdomen is connected to this pole one end, can order about the flexible pipe of this snake abdomen is extending, compress reciprocating motion between two positions, when extending the position, but the flexible pipe expansion compression space's of this snake abdomen volume just produces the suction effect, and when the compression position, but the flexible pipe reduction compression space's of this snake abdomen volume just produces the discharge effect, reaches the purpose of rapid operation.
Description
Technical field
The utility model relates to suction and the discharge technology of pump, refers to especially a kind of telescopic fuel-injection pump.
Background technology
Traditional type pump is made up of a housing and a plunger mechanism conventionally, and plunger mechanism comprises a bar and a piston, and bar hasTwo ends, housing is inserted in one end wherein, and is connected with the piston of inserting housing, moves back and forth at the stressed relative housing of barTime, this piston coordinates housing to produce suction or discharge effect.
Described suction or discharge effect, relevant with the seal degree in enclosure interior space, sealing better, suck orThe effect of discharge effect is better. Therefore, outside and touch inner walls at piston with an oil-sealing sleeve, be enough to allow in shell emptyBetween obtain preferably seal degree.
But oil sealing contact shell wall produces the physical phenomenon of friction, the reciprocating motion of bar and piston is formed to resistance, orderThe operation of pump is fully felt painstakingly. Secondly, piston mostly adopts elastomeric material to make, and rubber is acid and alkali-resistance not, so that pistonThe oil that contact pump sucks produces Corrosion results, has a strong impact on the seal degree in space in shell.
Therefore, how to improve the structure of traditional type pump, just become the utility model problem urgently to be resolved hurrily.
Summary of the invention
Given this, the utility model provides a kind of new fuel-injection pump, and one of its main purpose is: adopt telescopicConstruct, effectively solve the drawback of operating cost power.
A utility model fuel-injection pump again main purpose is: adopt acid and alkali-resistance material to make required element, reduceThe incidence of corrosion.
Because of reaching of above-mentioned purpose, pump of the present utility model comprises:
One snake abdomen telescoping tube, it has the second end and a compressible space of a first end, a sealing, this compressible spaceBe formed at snake abdomen telescoping tube inside and lead to extraneous via first end;
One lid, its inner runner that forms, this runner comprises an outlet and a port, this outlet and port are positioned at lidThe difference end of son, this port is connected with the first end of snake abdomen telescoping tube; And
One bar, its one end connects the second end of this snake abdomen telescoping tube, can order about snake abdomen telescoping tube an extended position and oneBetween compression position, move back and forth.
In the time of extended position, the second end of this snake abdomen telescoping tube, away from first end, is expanded the volume of compressible space relativelyAnd produce suction effect; In the time of compression position, the second end of this snake abdomen telescoping tube is near first end, and reduction can be pressed relativelyThe volume in contracting space and generation discharge effect.
Wherein, this lid also has an entrance towards runner, and this entrance is between the position exporting between port. This lidThere are a protuberance and a convergence part in sub-outside, and this protuberance surrounds runner next-door neighbour exit, and this convergence part surrounds runner neighbourNearly porch.
Pump of the present utility model also comprises following elements:
One check valve group, comprises the check valve of an only import but no export, and it is installed on the porch of the contiguous runner of lid; OneThe check valve that goes out, it is installed on the exit of lid near runner.
The suction nozzle of one hollow, it has large and small two diameter segment, and this reduced diameter section and enlarged diameter section be in same one end of suction nozzle,This enlarged diameter section is secured in convergence part and detachable;
One filter screen, it is added on the junction of suction nozzle and convergence part; And
One housing, it has the front port of a connection lid and the rear port of the relative housing displacement of a steady arm. This housing alsoHave at least one observation section, described observation section is formed at housing and surrounds the position of snake abdomen telescoping tube. Observation section side is oneBe located at the scale of housing appearance, with an index alignment scale that is located at snake abdomen telescoping tube appearance, contribute to compressible spaceThe interpretation of volume.
So, fuel-injection pump of the present utility model adopts snake abdomen telescoping tube, there is no the friction physical phenomenon of traditional type pump,Not only rapid operation, effectively solves the drawback that prior art operation is required great effort, and acid and alkali-resistance material system for snake abdomen telescoping tubeBecome, seal degree is better than the oil sealing of traditional type pump, is enough to reduce the incidence of corrosion.
Then, based on the relevant embodiment of graphic detailed description, technology, means and effect of adopting are described, believe this practicalityNovel above-mentioned purpose, structure and feature, when can by a deep and concrete understanding.
Brief description of the drawings
Fig. 1 is the exploded view of the utility model pump the first embodiment;
Fig. 2 is the constitutional diagram of Fig. 1 pump;
Fig. 3, the 4th, the schematic diagram of pump continuous action;
Fig. 5 is the local assembled sectional view of the utility model pump the second embodiment;
Fig. 6 is the local assembled sectional view of the utility model pump the 3rd embodiment.
Description of reference numerals: pump 10; Snake abdomen telescoping tube 20; Index 22; First end 24; The second end 26; Can pressContracting space 28; Lid 30; Protuberance 31; Runner 32; Convergence part 33; Entrance 34; External thread section 35; Outlet36; Attachment 37; Port 38; Bar 40; 42; Recess 44; Joint portion 46; Grip part 48; Housing 50;Front port 52; Rear port 54; Observation section 56; Scale 58; Suction nozzle 60; Reduced diameter section 62; Enlarged diameter section 64;Internal thread 66; Filter screen 70; Check valve 74.
Detailed description of the invention
Below in conjunction with drawings and Examples, do more detailed to technical characterictic and advantage with other that the utility model is above-mentionedExplanation.
Refer to Fig. 1～4, illustrate the concrete structure of pump 10 first embodiment. In figure, this pump 10 is by a snake abdomenTelescoping tube 20, a lid 30, a bar 40 and a check valve group form, and hold snake abdomen telescoping tube with a housing 5020 with local bar 40, connect the element such as a suction nozzle 60 and a filter screen 70 in lid 30 again.
Wherein, this snake abdomen telescoping tube 20 has an index 22, a first end 24, one second end 26 and a compressible space28, this compressible space 28 is formed at snake abdomen telescoping tube 20 inside, can via first end 24 or the second end 26 withThe external world communicates. This index 22 is coated on snake abdomen telescoping tube 20 appearances and between first end 24 and the second end 26.
The inner runner 32 that forms of described lid 30. This runner 32 is threeway moulding and have three gateways, respectivelyBe defined as entrance 34, outlet 36 and port 38. This port 38 has internal thread, can lock snake abdomen telescoping tube 20 firstThe external screw thread of end 24. This outlet 36 and port 38 are positioned at the different ends of lid 30. This entrance 34 leads to runner 32Position between outlet 36 and port 38.
In an outside protuberance 31, a convergence part 33 and the attachment 37 of forming of lid 30. Described protuberance 31Be body, it surrounds runner 32 next-door neighbour's outlet 36 places. This convergence part 33 is also body, and it is contiguous that it surrounds runner 32Entrance 34 places, and form an external thread section 35 in convergence part 33 appearances. This attachment 37 is round port 38, the twoBe positioned at same one end of lid 30. This attachment 37 has internal thread.
This check valve group has two: the check valve 74 of an only import but no export, it is installed on entering of lid 30 contiguous runners 32Mouth 34 places; The check valve 74 of one only export but no import, it is installed on outlet 36 places of lid 30 near runner 32.
Described bar 40 has one 42 and a joint portion 46, and this joint portion 46 and 42 is positioned at the different ends of bar 40And can connect a grip part 48. At the present embodiment, this 42 is cylinders, and it has a recess 44. See through the hand that is spirally connectedSection, this recess of 42 44 connects and seals the second end 26 of snake abdomen telescoping tube 20. Therefore, this grip part 48 is subject toPower driven rod 40 orders about snake abdomen telescoping tube 20 and moves back and forth between two positions in stretching, extension, compression.
Described suction nozzle 60 is hollow, and it comprises large and small two diameter segment 62,64 connected with each other. Wherein, shouldEnlarged diameter section 64 is similar to fish eyelet design, lock onto the interior spiral shell of external thread section 35 in enlarged diameter section 64 inwalls formation oneLine 66, makes the firm convergence part 33 of suction nozzle 60 and detachable. This reduced diameter section 62 and enlarged diameter section 64 be not at suction nozzle 60Same one end, in order to connect a carrier pipe or container (drawing is not painted).
This filter screen 70 is added on the junction of suction nozzle 60 and convergence part 33. At the present embodiment, these filter screen 70 pars intermediasThe position design that takes the shape of the letter U, can enter in convergence part 33 by entrance 34. This filter screen 70 is designed to encircle edge around, can quiltThe enlarged diameter section 64 of locking coordinates convergence part 33 to clamp.
Described housing 50 is hollow, and it has a front port 52, a rear port 54, an observation section 56 and a row to carveDegree 58. Form external screw thread at housing 50 near the appearance of front port 52, can lock onto lid 30 attachment 37 inScrew thread. The relative aperture front port 52 of this rear port 54 is little, in order to be enclosed within bar 40 between 42 and joint portion 46 betweenPosition, steady arm 40 is relatively housing 50 displacements along its length.
At the present embodiment, described observation section 56 refers to the slotted hole that runs through housing 50 walls. This row's scale 58 is located at shellBody 50 appearances and the arbitrary long limit of contiguous slotted hole.
Between the operating period, these grip part 48 forced belt levers 40 are stretching, are compressing between two positions and move. At extending positionWhile putting, the second end 26 of this snake abdomen telescoping tube 20, away from first end 24, is expanded the volume of compressible space 28 relatively,Make the entrance 34 of lid 30 produce suction effect, see through carrier pipe or container and draw required oil.
In the time of compression position, the second end 26 of this snake abdomen telescoping tube 20, near first end 24, reduces compressible sky relativelyBetween 28 volume, discharge the aforementioned oil drawing by the outlet 36 of lid 30.
The volume-variation of this compressible space 28, influence index 22 is in the position of observation section 56. Therefore, this index22 alignment scales 58, contribute to the interpretation of compressible space 28 volumes.
Particularly, this snake abdomen telescoping tube 20 does not contact housing 50 inwalls, there is no friction phenomenon, naturally not raw resistance,Operating period is obviously more laborsaving than traditional type pump. Moreover, these snake abdomen telescoping tube 20 use acid and alkali-resistance materials (as Teflon,Fluoride resin etc.) make, not only reduce the incidence of corrosion, and seal degree is better than oil sealing.
As shown in Figure 5, structure and the first embodiment of the utility model pump 10 second embodiment are roughly the same, differenceBe in: first, the runner 32 of this lid 30 is bilateral moulding, only have outlet 36 with port 38.
Secondly, this pump 10 does not have check valve. Therefore, the outlet 36 and all bootable stream of port 38 of this lid 30Body enters or flows out runner 32, can not affect the suction effect of this snake abdomen telescoping tube 20 in extended position, or compressionThe discharge effect of position.
Fig. 6 is pump 10 the 3rd embodiment, its structure and the first embodiment are roughly the same, and difference is in this protrusionPortion 31 is what to separate with lid 30.
This protuberance 31 has internal thread as suction nozzle 60, external thread section 35 that can locking cover 30 relative positions,Make runner 32 still maintain threeway state. Certainly, this protuberance 31 equally has different shape-designings from suction nozzle 60,The pipe fitting of applicable different size.
Above-described embodiment is described preferred embodiment of the present utility model, not to this practicalityNovel scope limits, and is not departing under the prerequisite of the utility model design spirit those of ordinary skill in the artVarious distortion and improvement that the technical solution of the utility model is made, all should fall into the utility model claims trueIn fixed protection domain.
Claims (9)
1. a telescopic fuel-injection pump, is characterized in that it comprises:
One snake abdomen telescoping tube, it has the second end and a compressible space of a first end, a sealing, this compressible spaceBe formed at this snake abdomen telescoping tube inside and lead to extraneous via this first end;
One lid, its inner runner that forms, this runner comprises an outlet and a port, this outlet and this port are positioned atThe difference end of this lid, this port is connected with the first end of this snake abdomen telescoping tube; And
One bar, its one end is connected with the second end of this snake abdomen telescoping tube, can order about this snake abdomen telescoping tube in an extended positionAnd move back and forth between a compression position;
In the time of extended position, the second end of this snake abdomen telescoping tube, away from first end, is expanded the appearance of this compressible space relativelyAmass and produce suction effect; In the time of compression position, the second end of this snake abdomen telescoping tube is near first end, and reduction should relativelyThe volume of compressible space and generation discharge effect.
2. telescopic fuel-injection pump according to claim 1, is characterized in that, this lid also has one to lead to streamThe entrance in road, this entrance is between this outlet and this port;
One check valve group, comprises the check valve of an only import but no export, and it is installed on the porch of contiguous this runner of this lid;The check valve of one only export but no import, it is installed on the exit of this lid near this runner.
3. telescopic fuel-injection pump according to claim 2, is characterized in that, there is a protrusion this lid outsidePortion and a convergence part, this protuberance surrounds this runner next-door neighbour exit, and this convergence part surrounds this runner neighboring entry place.
4. telescopic fuel-injection pump according to claim 3, is characterized in that, also comprises the suction nozzle of a hollow,This suction nozzle has a reduced diameter section and an enlarged diameter section, and this reduced diameter section and this enlarged diameter section are positioned at the different ends of this suction nozzle,Firmly this convergence part and detachable of this enlarged diameter section.
5. telescopic fuel-injection pump according to claim 4, is characterized in that, a filter screen is arranged at this suction nozzleJunction with this convergence part.
6. telescopic fuel-injection pump according to claim 1, is characterized in that, this bar has one and a combinationPortion, this connects the second end of this snake abdomen telescoping tube, and this joint portion is positioned at the different ends of this bar and can connects one from thisGrip part.
7. telescopic fuel-injection pump according to claim 1, is characterized in that, also comprises a housing, this shellBody has the front port and of this lid of connection to support the rear port of relative this housing displacement of this bar.
8. telescopic fuel-injection pump according to claim 7, is characterized in that, this housing also has at least one sightExamine portion, this observation section is formed at this housing and surrounds the position of this snake abdomen telescoping tube.
9. telescopic fuel-injection pump according to claim 8, is characterized in that, this observation section is slotted hole, shouldThe long limit contiguous one of slotted hole is located at the scale of this housing appearance; One is located at the index of snake abdomen telescoping tube appearance, and alignment is observedThe scale on radical limit, contributes to the interpretation of compressible space volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520908625.8U CN205243803U (en) | 2015-11-13 | 2015-11-13 | Telescopic oiling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520908625.8U CN205243803U (en) | 2015-11-13 | 2015-11-13 | Telescopic oiling pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205243803U true CN205243803U (en) | 2016-05-18 |
Family
ID=55942889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520908625.8U Active CN205243803U (en) | 2015-11-13 | 2015-11-13 | Telescopic oiling pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205243803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044629A (en) * | 2017-03-24 | 2017-08-15 | 苏州热工研究院有限公司 | A kind of aspirator of container |
-
2015
- 2015-11-13 CN CN201520908625.8U patent/CN205243803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044629A (en) * | 2017-03-24 | 2017-08-15 | 苏州热工研究院有限公司 | A kind of aspirator of container |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |