CN204572401U - A kind of efficient displacement pump - Google Patents
A kind of efficient displacement pump Download PDFInfo
- Publication number
- CN204572401U CN204572401U CN201520172979.0U CN201520172979U CN204572401U CN 204572401 U CN204572401 U CN 204572401U CN 201520172979 U CN201520172979 U CN 201520172979U CN 204572401 U CN204572401 U CN 204572401U
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- CN
- China
- Prior art keywords
- pump head
- worm
- pump
- eccentric shaft
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of efficient displacement pump, comprise cabinet, motor, worm screw, worm gear, eccentric shaft, axle, pump head, described motor is connected with worm screw by worm set, described worm screw lower end is located by connecting by bearing and cabinet, described worm drive worm gear rotates, described worm-gear driven eccentric shaft rotates, described eccentric shaft live axle to-and-fro motion in pump head, described pump head comprises left pump head, right pump head, described left pump head, right pump head are arranged in opposite directions, between connected by sliding sleeve.Compared with prior art, the utility model has following beneficial effect: adopt double pump header structure, an operation cycle of connecting rod, and liquid is inhaled, row's secondary, doubles than prior art working efficiency; Overcome the Impact Problems of engagement, the shock of the flank of tooth can not be produced, also just there is no the generation of impact noise, just significantly can extend the working life of pump.
Description
Technical field
The utility model relates to pump, particularly, relates to a kind of efficient displacement pump.
Background technique
Displacement pump, is workpiece reciprocating or rotation motions in the pump housing such as a kind of dependence piston, plunger, barrier film, gear or blade, the volume of several active chambers in the pump housing is periodically changed, and alternately sucks and discharge a kind of pump of liquid.Current displacement pump is on the market broadly divided into reciprocating pump, the large class of rotary pump two.
Existing reciprocating diaphragm pump has following defect mostly, when connecting rod does substantially horizontal displacement under the effect of eccentric shaft, because connecting rod and diaphragm, oil seal are in the state of flexibly connecting, cannot produce the pure straight line motion of substantially horizontal.Due to the pure straight line motion of substantially horizontal cannot be produced, so have nonstandard being harmful to draw high to lamp-type oil sealing and diaphragm, there is larger mechanical damage to two parts, greatly reduce its working life, easily leakage and oil leakage phenomenon occur.
Existing similar pump adopts single pump head structure substantially, an operation cycle of connecting rod, liquid inhale, row once, inefficiency; And the pump of single pump head structure is operationally, one of connecting rod operation cycle back and forth, it is pressure process that pump head volume internal volume reduces, and volume to increase be pressure leak process, thus cause the flank engagement position of worm gear and worm screw to be change, produce cyclically-varying.If the engaging tooth of worm gear and worm screw has gap, the periodicity that will produce the flank of tooth is clashed into, and produces noise.Along with the prolongation of pump work time, the aggravation of tooth surface abrasion, the back lash of tooth can be increasing, and shock can aggravate, and noise can increase, and working life can sharply decline.
Model utility content
For defect of the prior art, the purpose of this utility model is to provide that a kind of structure is simple, working efficiency is high and the efficient displacement pump of long service life.
A kind of efficient displacement pump, comprise cabinet, motor, worm screw, worm gear, eccentric shaft, axle, pump head, described motor is connected with worm screw by worm set, and described worm screw lower end is located by connecting by bearing and cabinet, and described worm drive worm gear rotates, described worm-gear driven eccentric shaft rotates, described eccentric shaft live axle to-and-fro motion in pump head, is characterized in that, described pump head comprises left pump head, right pump head, described left pump head, right pump head are arranged in opposite directions, between connected by sliding sleeve.
Be provided with connecting rod between described eccentric shaft and axle, described connecting rod is connected with the eccentric circle on eccentric shaft by bearing, and one end is connected with linkage connector by spherical plain bearing rod end, and described linkage connector is connected with male thread.
Described left pump head and the upper and lower end of right pump head are equipped with one-way valve, and the one-way valved outlet of described left pump head and right pump head upper end is connected by threeway, and the one-way valved outlet of described left pump head and right pump head lower end is connected by threeway.
Described axle through sliding sleeve, push pedal after being all fixed with in the cavity volume of left pump head and right pump head respectively.
Described sliding sleeve both sides are equipped with backbone sealing ring.
Compared with prior art, the utility model has following beneficial effect: connecting rod and axle are for being rigidly connected, axle moves in sliding sleeve, so pure substantially horizontal straight line motion can be done when the lamp-type oil sealing be attached thereto and diaphragm work, to lamp-type oil sealing, diaphragm, by extra harmful mechanical damage, is the displacement straight line output of solution connecting rod, devise the Placement of spherical plain bearing rod end, effectively overcome the impact of connecting rod on the active force except horizontal linear direction of axle;
Adopt double pump header structure, an operation cycle of connecting rod, liquid is inhaled, arrange secondary, double than prior art working efficiency;
Overcome the Impact Problems of worm gear and worm tooth engagement, because this structural design, working state axle applies constant load all the time to connecting rod, worm gear and worm screw can be in the working state of single cog engagement all the time, even if matching gap is excessive, also can not produce the shock of the flank of tooth, also just there is no the generation of impact noise, just significantly can extend the working life of pump.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the structural representation of a kind of efficient displacement pump of the utility model.
In figure: 1 is cabinet, 2 is worm set, 3 is pin, 4 is worm screw, 5 is clutch shaft bearing, 6 is the second bearing, 7 is spherical plain bearing rod end, 8 is pivot pin, 9 is linkage connector, 10 is lamp-type oil sealing, 11 is inner pressure ring, 12 is socket head screw, 13 is connecting rod seal ring, 14 is axle jump ring, 15 is the second rear push pedal, 16-1 is left diaphragm, 16-2 is right diaphragm, 17 is lower one-way valve, 18-1 is left pump head, 18-2 is right pump head, 19-1 is left clamping cap, 19-2 is right clamping cap, 20 is axle, 21 is nut, 22 is the first rear push pedal, 23 is pump head lid, 24 is backbone sealing ring, 25 is sliding sleeve, 26 is seal with O ring circle, 27 is motor, 28-1 is upper tee union, 28-2 is lower tee union, 29 is worm gear, 30 is eccentric shaft, 31 is connecting rod, 32 is left pump cavity volume, 33 is right pump cavity volume, 34 is pump head lid cavity volume.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in detail.Following examples will contribute to those skilled in the art and understand the utility model further, but not limit the utility model in any form.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, some distortion and improvement can also be made.These all belong to protection domain of the present utility model.
As shown in Figure 1, according to the efficient displacement pump of one that the utility model provides, comprise cabinet 1, motor 27, worm screw 4, worm gear 29, eccentric shaft 30, axle 20, pump head, motor 27 is connected with worm screw 4 by worm set 2, worm set 2 is fixed by pin 3 with worm screw 4, worm screw lower end is located by connecting by clutch shaft bearing 5 and cabinet 1, worm screw 4 is driven to rotate by worm set 2 after starting electrical machinery 27, drive worm gear 29 to circle simultaneously, worm gear 29 drives again the eccentric shaft 30 be attached thereto to move in a circle, eccentric shaft 30 is by connecting rod 31 and linkage connector 9 live axle 20 to-and-fro motion in pump head.Pump head comprises left pump head 18-1, right pump head 18-2, and left pump head 18-1, right pump head 18-2 are arranged in opposite directions, between connected by sliding sleeve 25.
The outer rim of lamp-type oil sealing 10 is connected with cabinet 1 by inner pressure ring 11 socket head screw 12, is in sealing state; Lamp-type oil sealing 10 endoporus is connected with linkage connector 9 with axle jump ring 14 by connecting rod seal ring 13, is in sealing state, realizes the sealing of lubricant oil in cabinet.
Connecting rod 31 is connected with the eccentric circle on eccentric shaft 30 by the second bearing 6, connecting rod 31 left end connects spherical plain bearing rod end 7 by pivot pin 8, spherical plain bearing rod end 7 is threaded linkage connector 9, when eccentric shaft 30 moves in a circle, connecting rod 31 produces the displacement of substantially horizontal by spherical plain bearing rod end 7 drive link joint 9, and its displacement amount is the offset of eccentric shaft.
Axle 20 right-hand member is threaded with linkage connector 9, and left end nut 21 is connected with push pedal 22 after first.Axle 20 is connected in series with: push pedal 22 after push pedal 15 after second, right diaphragm 16-2, right clamping cap 19-2, left clamping cap 19-1, left diaphragm 16-1, first and make left diaphragm 16-1, right diaphragm 16-2 is in left pump cavity volume 32 respectively and in right pump cavity volume 33.
Left pump head 18-1 is connected with the bushing formula of sliding sleeve 25 with right pump head 18-2, the sliding sleeve near-end of left pump head 18-1 and right pump head 18-2, be equipped with backbone sealing ring 24, axle 20 is through sliding sleeve 25, be arranged in sliding sleeve 25, two ends are sealed by backbone sealing ring 24, seal respectively, thus make left pump cavity volume 32 and right pump cavity volume 33 become respective independent closed chamber with push pedal 15 after push pedal after two seal with O ring circles 26 and first 22 and second.When axle 20 displacement to the right, left pump cavity volume 32 volume reduces, and right pump cavity volume 33 volume increases; When axle 20 increases to pump cavity volume 32 volume left during left dislocation, right pump cavity volume 33 volume reduces.
Left pump cavity volume 32 and right pump cavity volume 33 upper and lower end respectively have a upper one-way valve and a lower one-way valve, two upper one-way valved outlet of left pump cavity volume 32 and right pump cavity volume 33 are communicated with by upper three-way interface 28-1 and form total outlet, and two lower one-way valved outlet of left pump cavity volume 32 and right pump cavity volume 33 are communicated with formation by lower three-way interface 28-2 and have and export.
When axle 20 makes horizontal rectilinear motion, make the volume in left pump cavity volume 32 and right pump cavity volume 33 make horizontal rectilinear motion with axle 20 and produce cyclically-varying, when volume becomes large, upper one-way cock is closed, and liquid sucks cavity volume by lower one-way valve; Volume diminishes closed check valve at present, and liquid is discharged through upper one-way valve.
In the utility model, connecting rod 31 and axle 20 are for being rigidly connected, axle 20 moves in sliding sleeve 25, so pure substantially horizontal straight line motion can be done during the lamp-type oil sealing 10 be attached thereto, right diaphragm 16-2 and left diaphragm 16-1 work, to lamp-type oil sealing 10, right diaphragm 16-2 and left diaphragm 16-1 will not have extra mechanical damage, and the displacement straight line that spherical plain bearing rod end 7 can solve connecting rod 31 exports, and effectively overcomes the impact of connecting rod on the active force except horizontal linear direction of axle.
Adopt double pump header structure, 31 1 operation cycles of connecting rod, liquid is inhaled, arrange secondary, be doubled than prior art working efficiency.As also installed at the upper and lower end of pump head lid 23, lower one-way valve, pump head lid cavity volume 34 can promote again the liquid output amount of this pump, maybe can carry another kind of different liquid.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (5)
1. an efficient displacement pump, comprise cabinet, motor, worm screw, worm gear, eccentric shaft, axle, pump head, described motor is connected with worm screw by worm set, described worm screw lower end is located by connecting by bearing and cabinet, described worm drive worm gear rotates, described worm-gear driven eccentric shaft rotates, described eccentric shaft live axle to-and-fro motion in pump head, it is characterized in that, described pump head comprises left pump head, right pump head, described left pump head, right pump head are arranged in opposite directions, between connected by sliding sleeve.
2. the efficient displacement pump of one according to claim 1, it is characterized in that, connecting rod is provided with between described eccentric shaft and axle, described connecting rod is connected with the eccentric circle on eccentric shaft by bearing, one end is connected with linkage connector by spherical plain bearing rod end, and described linkage connector is connected with male thread.
3. the efficient displacement pump of one according to claim 1, it is characterized in that, described left pump head and the upper and lower end of right pump head are equipped with one-way valve, the one-way valved outlet of described left pump head and right pump head upper end is connected by threeway, and the one-way valved outlet of described left pump head and right pump head lower end is connected by threeway.
4. the efficient displacement pump of one according to claim 1, is characterized in that, described axle through sliding sleeve, push pedal after being all fixed with in the cavity volume of left pump head and right pump head respectively.
5. the efficient displacement pump of one according to claim 1, is characterized in that, described sliding sleeve both sides are equipped with backbone sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172979.0U CN204572401U (en) | 2015-03-26 | 2015-03-26 | A kind of efficient displacement pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172979.0U CN204572401U (en) | 2015-03-26 | 2015-03-26 | A kind of efficient displacement pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572401U true CN204572401U (en) | 2015-08-19 |
Family
ID=53865048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520172979.0U Expired - Fee Related CN204572401U (en) | 2015-03-26 | 2015-03-26 | A kind of efficient displacement pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763619A (en) * | 2015-03-26 | 2015-07-08 | 邱列扬 | High-efficiency positive displacement pump |
| CH717057A1 (en) * | 2020-01-20 | 2021-07-30 | Tekoma Sarl | Double diaphragm pump. |
-
2015
- 2015-03-26 CN CN201520172979.0U patent/CN204572401U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763619A (en) * | 2015-03-26 | 2015-07-08 | 邱列扬 | High-efficiency positive displacement pump |
| CH717057A1 (en) * | 2020-01-20 | 2021-07-30 | Tekoma Sarl | Double diaphragm pump. |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20170326 |