CN104847615A - Plunger pump - Google Patents
Plunger pump Download PDFInfo
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- CN104847615A CN104847615A CN201510314851.8A CN201510314851A CN104847615A CN 104847615 A CN104847615 A CN 104847615A CN 201510314851 A CN201510314851 A CN 201510314851A CN 104847615 A CN104847615 A CN 104847615A
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- plunger
- pump head
- plunger pump
- cavity
- feed liquor
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Abstract
The invention relates to a pump, and particularly relates to a reciprocating booster plunger pump. The plunger pump comprises a power end and a hydraulic end, and is characterized in that the power end is composed of a box body and a power transmission mechanism; the box body comprises a rear cover plate located at the rear end of the box body, an upper cover plate located at the upper end of the box body, and a ventilation cap and a magnetic device which are located at the upper side and the lower side of the box body respectively; and the power transmission mechanism comprises a crankshaft, a bearing bush, a connecting rod, a cross head pin, a cross head and a middle rod. A pump head mechanism comprises a liquid inlet, a liquid outlet, an upper gland, a liquid inlet device, a liquid discharging device and a valve body. The plunger pump provided by the invention has the advantages of convenient and easy maintenance, safe use, and ability of reducing the labor intensity of water injection workers. The plunger pump also has the advantage that no balance pipe is exposed outside.
Description
Technical field
The present invention relates to a kind of pump, particularly relate to a kind of reciprocating plunger pump.
Background technique
Plunger pump is an important device of hydraulic system, and it relies on plunger to-and-fro motion in cylinder body, makes the volume of seal operation cavity volume change to realize imbibition, discharge opeing.Plunger pump has that rated pressure is high, compact structure, efficiency are high and the advantage such as Flow-rate adjustment is convenient, is widely used in the occasion that high pressure, large discharge and flow need to regulate, in such as rejection of oil flied effluent, washing machine, engineering machinery and boats and ships.
There is following shortcoming in existing plunger pump:
Casing cannot disposablely machine, and is producing with inconvenience in the process of maintenance and is easily producing safety problem;
Traditional plunger pump is all external balance tube in the pump housing, due to balance tube to be exposed to outer use dangerous, easily reveal.
Summary of the invention
The object of the present invention is to provide a kind of plunger pump, to solve the disposable processing that existing plunger pump cannot complete filler cover positioning hole, gear oil head body seat, cylinder body, and because the dangerous problem all inconvenient with use of balance tube.
For overcoming the above problems, invention provides a kind of plunger pump, and the pump head comprising casing and be connected with casing, is characterized in that, also comprises power end, fluid end;
Wherein said power end comprises case, and casing is by the back shroud of rear end, and the upper cover plate being positioned at casing upper end forms with the resuscitation apparatus laying respectively at the upper and lower side of casing and oily window;
Described power end also comprises bent axle, bearing shell, connecting rod, crosshead pin, crosshead and intermediate bar, and wherein connecting rod one end is connected with bent axle by bearing shell, and the other end is connected with crosshead by crosshead pin, and wherein crosshead is connected with intermediate bar; Described plunger guide device comprises filler cover, sealed letter, adjusting nut, plunger cavity, wherein plunger cavity is an intersegmental part is empty cavity, wherein a plunger cavity part is arranged on pump head inside, another part is arranged on box house, the plunger cavity outer installment being wherein arranged on pump head inside has sealed letter, the plunger cavity outer installment being arranged on box house has filler cover, and wherein filler cover is connected with pump head side, and wherein filler cover inner chamber is connected with partial plunger;
Described pump head mechanism comprises liquid entering hole, liquid outlet, upper press cover, feeding device, pumping equipment, valve body, wherein feeding device comprises feed liquor big spring, the large valve block of feed liquor, pumping equipment comprises discharge opeing spring, the little valve block of discharge opeing, the wherein I-shaped structure of valve body to be both sides be trapezoidal hollow, wherein side is connected with liquid entering hole is perpendicular, valve body lower end is connected with the large valve block of feed liquor, the large valve block lower end of feed liquor is connected with feed liquor big spring, valve body upper end is connected with the little valve block of discharge opeing, wherein discharge opeing little valve block upper end connected drainage is large, little spring, wherein liquid outlet is perpendicular to the apocenosis passage be arranged in pump head.
Further plunger tail end is provided with plunger and is connected with intermediate bar by manger board by cap.
Feed liquor big spring in further pump head mechanism is connected with plunger cavity by cavity.
Apocenosis passage one end in further pump head mechanism is connected with plunger cavity, and the other end is connected with discharge voltage stabilizer.
The back shroud of further casing is connected with casing respectively by nut with upper cover plate.
Further bent axle is eccentric shaft, is connected with connecting-rod bolts by connecting rod bearing shell with bent axle.
It is integrally formed that further plunger comprises front end and rear end, and wherein the diameter of front end is greater than rear end, and wherein the diameter of plunger depends on required pressure and discharge capacity.
The large and small spring top of further discharge opeing is provided with spring seat.
Beneficial effect: the present invention relates to a kind of plunger pump and have easy to maintenance, easy installation, use safety, reduces the advantage of the labor intensity of water filling work, also because be exposed to outer advantage without balance tube.
Accompanying drawing explanation
Fig. 1 is invention structural representation.
Fig. 2 is invention plunger mechanism close-up schematic view.
Fig. 3 is invention pump head mechanism close-up schematic view.
Wherein: 100-casing 101-back shroud 102-upper cover plate 103-Ventilated cap 104-bent axle 105-bearing shell 106-connecting-rod bolts 107-connecting rod 108-crosshead 109-crosshead pin 110-intermediate bar 111-axle sleeve 112-manger board 113-magnetic device 201-plunger 202-plunger cavity 203-filler cover 204-plunger is by cap 205-sealed letter 300-pump head 301-liquid entering hole 302-liquid outlet 303-valve body 304-feed liquor large valve block 305-feed liquor big spring 306-discharge opeing large and small spring 307-discharge opeing little valve block 308-spring seat.
Embodiment
Below in conjunction with Figure of description, the invention is further described.
For making object, the feature of invention become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Invent a kind of plunger pump provided, as shown in Fig. 1 ~ Fig. 3, the pump head 300 comprising casing 100 and be connected with casing, also comprises power-transmitting unit, plunger guide, pump head mechanism; Casing wherein comprises the back shroud 101 being positioned at casing 100 rear end, is positioned at the upper cover plate 102 of casing upper end and lays respectively at Ventilated cap and the magnetic device 113 of the upper and lower side of casing; Described power-transmitting unit comprises bent axle 104, bearing shell 105, connecting rod 107, crosshead pin 109, crosshead 108 and intermediate bar 110, wherein connecting rod one end is connected with bent axle 104 by bearing shell 105, the other end is connected with crosshead 108 by crosshead pin 109, and wherein crosshead 108 is connected with intermediate bar 110;
Plunger guide device comprises filler cover 203, sealed letter 205, plunger cavity 202, wherein plunger cavity 202 is an intersegmental part is empty cavity, wherein a plunger cavity part is arranged on pump head inside, another part is arranged on box house, the plunger cavity outer installment being wherein arranged on pump head 300 inside has sealed letter 205, the plunger cavity outer installment being arranged on box house has filler to overlap 203, and wherein filler cover 203 is connected with pump head 300 side, and wherein filler cover inner chamber is connected with partial plunger 201;
Pump head mechanism comprises liquid entering hole 301, liquid outlet 302, feeding device, pumping equipment, valve body, wherein feeding device comprises feed liquor big spring 305, the large valve block 304 of feed liquor, pumping equipment comprises discharge opeing spring 306, the little valve block 307 of discharge opeing, wherein valve body 303 for both sides be the I-shaped structure of trapezoidal hollow, wherein side is connected with liquid entering hole 301 is perpendicular, valve body 303 lower end is connected with the large valve block 304 of feed liquor, the large valve block lower end of feed liquor is connected with feed liquor big spring 303, valve body 303 upper end is connected with the little valve block 307 of discharge opeing, wherein discharge opeing little valve block 307 upper end connected drainage is large, little spring 306, wherein liquid outlet is perpendicular to the apocenosis passage be arranged in pump head.
Further, as depicted in figs. 1 and 2, plunger tail end is provided with plunger and is connected with intermediate bar 110 by manger board 112 by cap 204.
Further, as shown in Figure 3, the feed liquor big spring 305 in pump head mechanism is connected with plunger cavity 202 by cavity.
Further, the apocenosis passage one end in pump head mechanism is as shown in Figure 1 connected with plunger cavity 305, and the other end is connected with pump head wall.
Further, the back shroud 101 of casing is as shown in Figure 1 connected with casing 100 respectively by nut with upper cover plate 102.
Further, bent axle 104 is as shown in Figure 1 eccentric shaft, is connected with connecting rod 107 by connecting-rod bolts 106.
Further, it is integrally formed that plunger 201 as shown in Figure 1 comprises front end and rear end, and wherein the width of front end is greater than rear end, and wherein the length of overall plunger 201 is greater than the length of plunger cavity 202.
Further, one end that bent axle 104 is as shown in Figure 1 connected with crosshead 108 is provided with axle sleeve 111 on bent axle 104.
Further, discharge opeing large and small spring 306 top is as shown in Figure 1 provided with spring seat 308.
In sum, plunger pump provided by the invention, the pump head 300 comprising casing 100 and be connected with casing, also comprises power-transmitting unit, plunger guide, pump head mechanism; Casing wherein comprises the back shroud 101 being positioned at casing 100 rear end, is positioned at the upper cover plate 102 of casing upper end and lays respectively at Ventilated cap and the magnetic device 113 of the upper and lower side of casing; Described power-transmitting unit comprises bent axle 104, bearing shell 105, connecting rod 107, crosshead pin 109, crosshead 108 and intermediate bar 110, wherein connecting rod one end is connected with bent axle 104 by bearing shell 105, the other end is connected with crosshead 108 by crosshead pin 109, and wherein crosshead 108 is connected with intermediate bar 110; The back shroud 101 of casing is connected with casing 100 respectively by nut with upper cover plate 102; Also be provided with manger board 112, be connected with intermediate bar 110 by cap 204 by the plunger being arranged on plunger tail.By assembling crankshaft structure and plunger mechanism in the casing that time processing is shaping, traditional line, mainly through connecting between nut, is connecting and is changing face contact into, strengthening sealing by casing.Plunger guide device comprises filler cover 203, sealed letter 205, plunger cavity 202, wherein plunger cavity 202 is an intersegmental part is empty cavity, wherein a plunger cavity part is arranged on pump head inside, another part is arranged on box house, the plunger cavity outer installment being wherein arranged on pump head 300 inside has sealed letter 205, the plunger cavity outer installment being arranged on box house has filler to overlap 203, and wherein filler cover 203 is connected with pump head 300 side, and wherein filler cover inner chamber is connected with partial plunger 201; And it is integrally formed that plunger 201 comprises front end and rear end, wherein the width of front end is greater than rear end, and wherein the length of overall plunger 201 is greater than the length of plunger cavity 202.Cancel the plunger lining in traditional plunger pump in plunger guiding device, this body structure of plunger is utilized to carry out radial location, apocenosis passage one end in pump head mechanism is connected with plunger cavity 305, feed liquor big spring 305 in feeding device is connected with plunger cavity 202 by cavity, in plunger cavity 202, plunger 201 carries out radial direction activity, produce positive/negative-pressure, made by the change of pressure, when plunger 201 caudad carries out motion generation negative pressure time, the impact that feed liquor big spring 305 in feeding device is subject to negative pressure produces elongation, the impact making the large valve block 304 of feed liquor being arranged on upper end be subject to gravity moves downward carries out valve open, at this moment liquid enters valve body 303 by liquid entering hole and enters in plunger cavity 202 again, when plunger 201 carries out motion generation malleation to top time, feed liquor big spring 305 in feeding device compresses, the large valve block 304 of feed liquor is closed, and at this moment stays liquid in plunger cavity and enters liquid port by the apocenosis passage be connected with plunger cavity and carry out discharge opeing and complete one-off.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a plunger pump, comprise power end and and fluid end, it is characterized in that: power end, fluid end;
Wherein power end comprises casing, bent axle, bearing shell, connecting rod, crosshead pin, crosshead and intermediate bar, and wherein connecting rod one end is connected with bent axle by bearing shell, and the other end is connected with crosshead by crosshead pin, and wherein crosshead is connected with intermediate bar;
Fluid end comprises pump head, filler cover assembly, wherein pump head comprises liquid entering hole, liquid outlet, upper press cover, feeding device, pumping equipment, valve body, wherein feeding device comprises feed liquor big spring, the large valve block of feed liquor, pumping equipment comprises discharge opeing spring, the little valve block of discharge opeing, the wherein I-shaped structure of valve body to be both sides be trapezoidal hollow, wherein side is connected with liquid entering hole is perpendicular, valve body lower end is connected with the large valve block of feed liquor, the large valve block lower end of feed liquor is connected with feed liquor big spring, valve body upper end is connected with the little valve block of discharge opeing, wherein discharge opeing little valve block upper end connected drainage is large, little spring, wherein liquid outlet is perpendicular to the apocenosis passage be arranged in pump head,
Plunger piston assembly comprises filler and overlaps close, plunger cavity, packing, gland, guide ring, greatly pressure cap, wherein plunger cavity is an intersegmental part is empty cavity, wherein a plunger cavity part is arranged on pump head inside, another part is arranged on box house, the plunger cavity outer installment being wherein arranged on pump head inside has sealed letter, the plunger cavity outer installment being arranged on box house has filler cover, and wherein filler cover is connected with pump head side.
2. a kind of plunger pump according to claim 1, is characterized in that, described plunger tail end is provided with plunger and is connected with intermediate bar by manger board by cap.
3. a kind of plunger pump according to claim 1, is characterized in that, the feed liquor big spring in described pump head is connected by cavity and plunger cavity are vertical.
4. a kind of plunger pump according to claim 1, is characterized in that, the discharge opeing water channel one end in described pump head is connected with cylinder chamber, and the other end is connected with discharge voltage stabilizer.
5. a kind of plunger pump according to claim 1, is characterized in that, the back shroud of described casing is connected with casing respectively by nut with upper cover plate.
6. a kind of plunger pump according to claim 1, is characterized in that, described bent axle is eccentric shaft, is connected with connecting rod by connecting-rod bolts.
7. a kind of plunger pump according to claim 1, is characterized in that, it is integrally formed that described plunger comprises front end and rear end, and wherein the diameter of front end is greater than rear end, and the size of diameter depends on required pressure and discharge capacity.
8. a kind of plunger pump according to power described 1, it is characterized in that, one end that described bent axle is connected with crosshead is provided with bearing shell on bent axle.
9. a kind of plunger pump according to claim 1, is characterized in that, the large and small spring top of described discharge opeing is provided with spring seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314851.8A CN104847615A (en) | 2015-06-10 | 2015-06-10 | Plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314851.8A CN104847615A (en) | 2015-06-10 | 2015-06-10 | Plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104847615A true CN104847615A (en) | 2015-08-19 |
Family
ID=53847512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510314851.8A Pending CN104847615A (en) | 2015-06-10 | 2015-06-10 | Plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104847615A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298787A (en) * | 2015-11-12 | 2016-02-03 | 常州大学 | Three-cylinder and single-action plunger pump |
| CN106089687A (en) * | 2016-07-19 | 2016-11-09 | 大庆市金拓石油机械制造有限公司 | A kind of reciprocating motion connecting elements |
| CN108757367A (en) * | 2018-07-24 | 2018-11-06 | 潍坊胜利石化机械有限公司 | Reciprocating intensifier pump |
| CN111156155A (en) * | 2019-12-29 | 2020-05-15 | 陕西航天动力高科技股份有限公司 | Prevent extravagant seal structure of diaphragm pump fluid |
-
2015
- 2015-06-10 CN CN201510314851.8A patent/CN104847615A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298787A (en) * | 2015-11-12 | 2016-02-03 | 常州大学 | Three-cylinder and single-action plunger pump |
| CN106089687A (en) * | 2016-07-19 | 2016-11-09 | 大庆市金拓石油机械制造有限公司 | A kind of reciprocating motion connecting elements |
| CN108757367A (en) * | 2018-07-24 | 2018-11-06 | 潍坊胜利石化机械有限公司 | Reciprocating intensifier pump |
| CN111156155A (en) * | 2019-12-29 | 2020-05-15 | 陕西航天动力高科技股份有限公司 | Prevent extravagant seal structure of diaphragm pump fluid |
| CN111156155B (en) * | 2019-12-29 | 2021-11-12 | 陕西航天动力高科技股份有限公司 | Prevent extravagant seal structure of diaphragm pump fluid |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |
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| RJ01 | Rejection of invention patent application after publication |