CN104976111A - Variable pressure-regulating plunger structure - Google Patents
Variable pressure-regulating plunger structure Download PDFInfo
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- CN104976111A CN104976111A CN201510118574.3A CN201510118574A CN104976111A CN 104976111 A CN104976111 A CN 104976111A CN 201510118574 A CN201510118574 A CN 201510118574A CN 104976111 A CN104976111 A CN 104976111A
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- plunger
- locking device
- outer plunger
- variable quantity
- pressure regulation
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Abstract
The invention discloses a variable pressure-regulating plunger structure. The variable pressure-regulating plunger structure comprises a plunger sleeve and a matched plunger. The plunger sleeve is provided with an oil inlet, an oil outlet and a one-way valve. The variable pressure-regulating plunger structure is characterized in that the plunger is a compound type multilevel plunger and comprises an inner plunger body and at least one outer plunger body arranged outside the inner plunger body in a sleeving mode, and a through hole is formed in the peripheral wall of the outer plunger body; when the outer plunger body rotates and is statically locked, the through hole located in the outer plunger body is communicated with the oil inlet, and only the inner plunger body works; when the outer plunger rotates and is locked in a linked mode, the through hole in the outer plunger body is not communicated with the oil inlet any more, and the inner plunger body and the outer plunger body move synchronously to work. Compared with the prior art, the variable pressure-regulating plunger structure has the advantage that adjustment is achieved.
Description
Technical field
The invention relates to a kind of plunger-type fuel pump, especially a kind of Variable quantity pressure regulation piston structure.
Background technique
Existing oil pumping device, such as manual lubrication oil gun (being commonly called as hand grease gun), its plunger is single, and therefore the amount of its pump oil is also fixing.
And in use, the emphasis conversion between different parameters can be run into, such as need high-pressure low-flow, low pressure and mass flow.And existing hand grease gun can not carry out switching between the two, using adaptability has certain narrow limitation.
Summary of the invention
The situation that cannot change is amassed for existing single plunger oil pumping device work round trip oil pumping body, the invention provides a kind of Variable quantity pressure regulation piston structure, this oil pumping device adopts combined type multi-plunger structure, cleverly by sheathed for plunger classification, and select whether joint work as required, compared with prior art, have that stroke volume is adjustable, wide adaptability, advantage that parameter emphasis is adjustable.
For achieving the above object, the invention solves by the following technical programs:
A kind of Variable quantity pressure regulation piston structure, comprise plunger bushing, in plunger bushing, engagement sleeves is provided with plunger, plunger bushing is provided with filler opening, oil outlet and one-way valve, described plunger is combined type Multi-stage plunger, complex form is as follows: comprise inner plunger and be set at least one outer plunger outside inner plunger, adjacent two outer plunger are sheathed structure, and are provided with the through hole corresponding with filler opening on the perisporium of each outer plunger; Be provided with static locking device and linkage locking device, when outer plunger rotate and be connected with static locking device lock time, the through hole be positioned in this outer plunger communicates with filler opening; When outer plunger rotate and is connected with linkage locking device lock time, be positioned at the through hole in this outer plunger and filler opening no longer conducting, this outer plunger and linkage locking device are synchronized with the movement; Be connected with plunger pushing frame with linkage locking device, plunger pushing frame connects inner plunger.
Preferably, described Multi-stage plunger comprises inner plunger and is set in an outer plunger outside inner plunger.
Preferably, the upper end of each outer plunger is provided with rotatory handling, and described static locking device and linkage locking device are provided with the location of above-mentioned rotatory handling cooperation and spacing groove.
Preferably, described static locking device is positioned at plunger bushing upper end, and it is integrated with plunger bushing connects.
Preferably, linkage locking device is integrated with plunger pushing frame connects.
Preferably, described static locking device and linkage locking device are positioned at the both sides of plunger.
Working principle and the beneficial effect of the invention show:
The main innovate point of the invention is exactly the form being have employed multistage composite plunger, and this compound plunger comprises inner plunger and outer plunger, and wherein the number of outer plunger can set as required.
Compound plunger is sheathed mode, and inner plunger is positioned at bosom, and then outer plunger is sleeved on outside inner plunger, and when being provided with multistage outer plunger, outer plunger one-level level is outwards sheathed step by step.
As complex form, the most basic working method should be inner plunger vibrating armature pump oil alone, therefore needs directly inner plunger to be connected with plunger pushing frame; Meanwhile, during outer plunger participation work, it should be cumulative step by step formula from inside to outside, and can not be jump type.
The invention whether solves outer plunger in the following way as plunger actual participation work, and the invention is provided with two locking devices: static locking device and linkage locking device.
When outer plunger is connected with static locking device, now outer plunger no longer participates in round work, in fact the plunger bushing as reciprocating plunger uses, simultaneously, in order to ensure normal fuel feeding, outer plunger offering through hole, being communicated with filler opening by the outer plunger of through hole when making static locking state.
When outer plunger is connected with linkage locking device, now outer plunger starts to participate in round work, and makes by plunger pushing frame the outer plunger interlock being in this state.
In order to make static locking and linkage locking, the invention adopts the form of locking block, and realizes the location of outer plunger and spacing by the handle that coordinates and groove, structure simply, easy switching.
Certainly, in order to further evolutional structure, can adopt the structure of integration: static locking device can directly be extended by existing plunger bushing part and be slotted and be formed, linkage locking device can be slotted by existing plunger pushing frame and be formed.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings;
Fig. 1 is that the invention inner plunger works independently down stroke schematic diagram;
Fig. 2 is that the invention inner plunger works independently up stroke schematic diagram;
Fig. 3 is outer plunger joint work down stroke schematic diagram in the invention;
Fig. 4 is outer plunger joint work up stroke schematic diagram in the invention;
Fig. 5 is embodiment two structural representation.
Embodiment
The correlation technique content do not addressed below all can adopt or use for reference prior art.
Technological scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one:
A kind of Variable quantity pressure regulation piston structure, comprise plunger bushing 1, coordinate in plunger bushing 1 and be provided with plunger, the plunger of the invention adopts the form of multistage composite plunger unit, and complex form is as follows: comprise be positioned at center inner plunger 2, centered by inner plunger 2 for step by step to the outer plunger unit of overcoat; The number of outer plunger unit can be selected as required, for simplified structure and be convenient to describe, the present embodiment adopts the form of an outer plunger 3, but does not get rid of the form comprising multiple outer plunger.
Wherein at least lower end of inner plunger is plugging structure, preferred is also the simplest inner plunger 1 design is become existing filled circles column structure, in order to realize outer plunger with its center, for rotating shaft rotates, the design of multistage outer plunger being become barrel-shaped structure, the coaxial heart of inside and outside plunger.
Plunger bushing 1 is provided with filler opening 4 and oil outlet 5, is wherein provided with towards the one-way valve 6 of oil outlet conducting between oil outlet 5 and plunger cavity.
In order to realize the work of normal pump oil, the perisporium of every one-level outer plunger is provided with through hole 31, oil outlet can reach the outer wall of inner plunger from outside to inside successively through each through hole of multistage outer plunger; Like this, when only there being inner plunger 2 back and forth movement, oil outlet can be communicated with plunger cavity through through hole at different levels; When needs oil pumping body is long-pending become large time, rotate outer plunger (can be adjusted as required by the number rotated) successively from inside to outside, no longer communicated with the through hole of outer level by the through hole of the outer plunger after rotating; Outer plunger at the corresponding levels and all plungers being positioned at plunger at the corresponding levels use as a plunger.
Described by above: the invention main innovation is exactly be to change the diameter of plunger thus the volume of change plunger round trip, in order to achieve the above object, as above-mentioned said: the multistage outer plunger of the invention can be rotated; In order to ensure normal work, realize outer plunger two location statuss by supplementary equipment: state of rest and linkage status.
Wherein state of rest refers to that the through hole of outer plunger communicates with filler opening, outer plunger and the actionless state of plunger bushing; Linkage status refers to that the through hole of outer plunger no longer communicates with filler opening, the state that outer plunger and inner plunger link.
Above-mentioned supplementary equipment comprises two fixing devices: stationary mounting block 7 and interlock fixed block 8.
The upper end of every one-level outer plunger is provided with one or more handle 9, and the present embodiment is a handles, certainly also has the form of many handles, and such as both sides have two static fixing (device), two interlocks fixing (device).
Preferably the radial direction of handle 9 along outer plunger is arranged, stationary mounting block and interlock fixed block correspondingly with every handles are provided with a groove, when handle and groove corresponding matching, realize above-mentioned two states; During multistage outer plunger, only need corresponding for groove setting up and down.
For ease of arranging, stationary mounting block 7 is arranged on the upper end of plunger bushing 1 by the present embodiment, preferably by plunger bushing 1 and stationary mounting block 7 integrated setting; Because inner plunger interlock has plunger pushing frame, interlock fixed block can be connected with plunger pushing frame, in like manner, preferably by plunger pushing frame 10 and interlock fixed block 8 integrated setting; In order to optimize oil pumping device further, plunger bushing can be extended to form stationary mounting block in upper end part, and arrange plunger pushing frame at the offside of stationary mounting block.
During use, when not needing single large volume pump oil, the handle that can rotate outer piston makes the groove fit of itself and static locking block, carries out locked location, shown in Fig. 1,2, realize small flow high pressure power through all outer plunger; When needs single large volume pump oil, from inside to outside step by step by the groove fit of the handle of outer piston and linkage locking block, realize large volume pump oily, shown in Fig. 3,4, realize the little pressure of large discharge.
The invention is piston structure, reality in use, by the lubricant oil in the medium of pump not necessarily background technique; also can be other media; such as fire the media such as Oil, Water, Gas, when adopting these above media operation, ought to also fall in the protection domain of the invention.
Embodiment two
Except for the following differences, other are identical with embodiment.
Be provided with one section of positive silk and one section of anti-silk in embodiment in the upper end of plunger, the upper end of interior one-level plunger is provided with silk braid, just in time coordinates with the positive silk of outer one-level plunger, realizes linkage locking; Plunger bushing is provided with an internal thread, and internal thread just in time matches with above-mentioned anti-silk, realizes static locking; Shown in Fig. 5.
During use, turning inner cylinder plug, is rotated down, attachment post plug sleeve, fixing; Upwards opposite spin, departs from plunger bushing.
The above is only the preferred implementation of the application, those skilled in the art is understood or realizes the application.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a Variable quantity pressure regulation piston structure, comprise plunger bushing, in plunger bushing, engagement sleeves is provided with plunger, plunger bushing is provided with filler opening, oil outlet and one-way valve, it is characterized in that, described plunger is combined type Multi-stage plunger, and complex form is as follows: comprise inner plunger and be set at least one outer plunger outside inner plunger, adjacent two outer plunger are sheathed structure, and are provided with the through hole corresponding with filler opening on the perisporium of each outer plunger; Be provided with static locking device and linkage locking device, when outer plunger rotate and be connected with static locking device lock time, the through hole be positioned in this outer plunger communicates with filler opening; When outer plunger rotate and is connected with linkage locking device lock time, be positioned at the through hole in this outer plunger and filler opening no longer conducting, this outer plunger and linkage locking device are synchronized with the movement; Be connected with plunger pushing frame with linkage locking device, plunger pushing frame connects inner plunger.
2. Variable quantity pressure regulation piston structure according to claim 1, is characterized in that, described Multi-stage plunger comprises inner plunger and is set in an outer plunger outside inner plunger.
3. Variable quantity pressure regulation piston structure according to claim 1 and 2, it is characterized in that, the upper end of each outer plunger is provided with rotatory handling, and described static locking device and linkage locking device are provided with the location of above-mentioned rotatory handling cooperation and spacing groove.
4. Variable quantity pressure regulation piston structure according to claim 3, is characterized in that, described static locking device is positioned at plunger bushing upper end, and it is integrated with plunger bushing connects.
5. Variable quantity pressure regulation piston structure according to claim 3, is characterized in that, linkage locking device is integrated with plunger pushing frame to be connected.
6. Variable quantity pressure regulation piston structure according to claim 1, is characterized in that, described static locking device and linkage locking device are positioned at the both sides of plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118574.3A CN104976111A (en) | 2015-03-18 | 2015-03-18 | Variable pressure-regulating plunger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510118574.3A CN104976111A (en) | 2015-03-18 | 2015-03-18 | Variable pressure-regulating plunger structure |
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| Publication Number | Publication Date |
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| CN104976111A true CN104976111A (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510118574.3A Pending CN104976111A (en) | 2015-03-18 | 2015-03-18 | Variable pressure-regulating plunger structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571647A (en) * | 2017-03-11 | 2018-09-25 | 陈军明 | A kind of reducing grease gun pump head |
| CN112065711A (en) * | 2020-09-18 | 2020-12-11 | 湖北中油科昊机械制造有限公司 | Novel combined double-plunger assembly |
| CN115163441A (en) * | 2022-08-04 | 2022-10-11 | 安徽工程大学 | Plunger variable hydraulic pump based on permanent magnet drive |
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| US4568249A (en) * | 1983-08-26 | 1986-02-04 | Todd James W | Variable reciprocating plunger pump |
| CN201180893Y (en) * | 2008-04-17 | 2009-01-14 | 柯调顺 | Grease gun construction capable of regulating oil output |
| CN102619739A (en) * | 2012-04-09 | 2012-08-01 | 台州巨力工具有限公司 | Variable plunger pump |
| CN103291576A (en) * | 2013-05-13 | 2013-09-11 | 嘉善海力达工具有限公司 | Telescopic cylindrical type high-low pressure plunger pump |
| CN203477825U (en) * | 2013-08-02 | 2014-03-12 | 陈军明 | Variable-pressure grease gun |
| CN204114043U (en) * | 2014-07-09 | 2015-01-21 | 泰安鑫壵机械科技有限公司 | A kind of plunger pushing mechanism with cylinder slide block |
| CN204646639U (en) * | 2015-03-18 | 2015-09-16 | 泰安鑫壵机械科技有限公司 | Variable quantity pressure regulation piston structure |
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2015
- 2015-03-18 CN CN201510118574.3A patent/CN104976111A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4568249A (en) * | 1983-08-26 | 1986-02-04 | Todd James W | Variable reciprocating plunger pump |
| CN201180893Y (en) * | 2008-04-17 | 2009-01-14 | 柯调顺 | Grease gun construction capable of regulating oil output |
| CN102619739A (en) * | 2012-04-09 | 2012-08-01 | 台州巨力工具有限公司 | Variable plunger pump |
| CN103291576A (en) * | 2013-05-13 | 2013-09-11 | 嘉善海力达工具有限公司 | Telescopic cylindrical type high-low pressure plunger pump |
| CN203477825U (en) * | 2013-08-02 | 2014-03-12 | 陈军明 | Variable-pressure grease gun |
| CN204114043U (en) * | 2014-07-09 | 2015-01-21 | 泰安鑫壵机械科技有限公司 | A kind of plunger pushing mechanism with cylinder slide block |
| CN204646639U (en) * | 2015-03-18 | 2015-09-16 | 泰安鑫壵机械科技有限公司 | Variable quantity pressure regulation piston structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571647A (en) * | 2017-03-11 | 2018-09-25 | 陈军明 | A kind of reducing grease gun pump head |
| CN108571647B (en) * | 2017-03-11 | 2024-04-23 | 陈军明 | Reducing grease gun pump head |
| CN112065711A (en) * | 2020-09-18 | 2020-12-11 | 湖北中油科昊机械制造有限公司 | Novel combined double-plunger assembly |
| CN112065711B (en) * | 2020-09-18 | 2021-08-10 | 湖北中油科昊机械制造有限公司 | Novel combined double-plunger assembly |
| CN115163441A (en) * | 2022-08-04 | 2022-10-11 | 安徽工程大学 | Plunger variable hydraulic pump based on permanent magnet drive |
| CN115163441B (en) * | 2022-08-04 | 2023-08-04 | 安徽工程大学 | Plunger variable hydraulic pump based on permanent magnet drive |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190307 Address after: 271202 Paper Square Village, Wennan Town, Xintai City, Shandong Province Applicant after: Xintai City Jiaxing Hydraulic Machine Co., Ltd. Address before: 271202 No. 7 Jiaxing Street, Wennan Paper Mill, Xintai City, Tai'an City, Shandong Province Applicant before: TAIAN XINZHUANG MACHINERY TECHNOLOGY CO., LTD. Applicant before: Wang Shouwu |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |