CN203257644U - Membrane pump driven by conical swing thrust shaft - Google Patents
Membrane pump driven by conical swing thrust shaft Download PDFInfo
- Publication number
- CN203257644U CN203257644U CN 201320114043 CN201320114043U CN203257644U CN 203257644 U CN203257644 U CN 203257644U CN 201320114043 CN201320114043 CN 201320114043 CN 201320114043 U CN201320114043 U CN 201320114043U CN 203257644 U CN203257644 U CN 203257644U
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- China
- Prior art keywords
- shaft
- thrust
- face
- transmission shaft
- end cap
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- Expired - Lifetime
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- 239000012528 membrane Substances 0.000 title abstract 5
- 239000007788 liquid Substances 0.000 claims abstract 17
- 230000005540 biological transmission Effects 0.000 claims abstract 13
- 239000012530 fluid Substances 0.000 claims 10
- 210000004907 gland Anatomy 0.000 claims 4
- 230000004888 barrier function Effects 0.000 claims 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
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Abstract
A membrane pump driven by a conical swing thrust shaft comprises a pump body, a first end cover and a second end cover, wherein the first end cover and the second end cover are connected to the two sides of the pump body in a coupling mode. A containing cavity is arranged in the first end cover, a thrust plate is arranged in the containing cavity, a transmission shaft with a shaft shoulder is arranged on the first end cover, a plurality of balls are arranged among the shaft shoulder of the transmission shaft, a shaft shoulder of the thrust plate and the first end cover, a plurality of liquid pressure cavities are arranged in the pump body, a membrane is arranged in each liquid pressure cavity, a thrust rod is movably arranged on the pump body, a liquid inlet one-way valve and a liquid outlet one-way valve are arranged on the side wall of each liquid pressure cavity, and a liquid inlet and a liquid outlet which are communicated with the liquid inlet one-way valves and the liquid outlet one-way valves respectively are formed in the second end cover. When the transmission shaft rotates, the balls push the thrust plate to make conical swing and drive the thrust rod to drive the membranes to make reciprocating movement, and suction or exhausting of liquid is achieved. The membrane pump driven by the conical swing thrust shaft has the advantages of being small in size, high in operating efficiency, long in service life, reliable in working and the like.
Description
[technical field]
The utility model relates to liquid conveying machinery, particularly relates to a kind of by the shaft-driven diaphragm pump of circular cone swing thrust.
[background technique]
In mechanical field, many occasions all need to change the circular movement of machinery into reciprocatory motion, the machinery of realizing this transformation is generally cam mechanism, crankshaft ﹠ connecting, eccentric mechanism etc., this class mechanism is by driven by motor axle rotation, and to drive linear movement parts reciprocating for the cam of the output terminal by being contained in axle, connecting rod, eccentric wheel etc. again.In these mechanisms, axle is except bearing moment of torsion, also can bear the effect of the power such as moment of flexure, shearing force, the effect of these external force can cause the reduction in the working life of axle, the more important thing is that in order to bear these External Force Actings, normally the size with axle strengthens, carry active force by adding large volume, and the increase of the size of axle can cause the increase of equipment volume.On the other hand, all have slide member in the mechanisms such as cam, connecting rod, these slide members are in operation and have sliding friction, cause the reduction of mechanism's operational efficiency and affect working life of equipment.
On the other hand, be widely used various pumps in industrial production, diaphragm pump wherein is widely used in the fields such as chemical industry, pharmacy, hydraulic transmission.Existing diaphragm pump is driven by eccentric shaft, so volume is larger.
[summary of the invention]
The utility model is intended to address the above problem, and provides a kind of volume little, and operational efficiency is high, long service life, reliable operation swing the shaft-driven diaphragm pump of thrust by circular cone.
For achieving the above object, the utility model provides a kind of and swings the shaft-driven diaphragm pump of thrust by circular cone, this diaphragm pump comprises the pump housing and involutory the first end cap and the second end cap that is connected in pump housing both sides, in the first end cap, be provided with holding cavity, be provided with thrust plate in the holding cavity, first end covers in the holding cavity that is provided with from the end cap extension to end cap and with the transmission shaft of the shaft shoulder, axis with the first end face crossing end of transmission shaft and the transmission shaft described shaft shoulder is perpendicular, the shaft shoulder away from the second end slope of transmission shaft in described the first end face, between the shaft shoulder of transmission shaft and thrust plate and the shaft shoulder and the first end cap, be provided with a plurality of balls, in the described pump housing, be provided with a plurality of fluid pressures chamber, in the fluid pressure chamber, be provided with barrier film, be provided with actively respectively the track bar that contacts with barrier film with thrust plate on the pump housing, be provided with at least one feed liquor one-way valve and at least one fluid one-way valve at each fluid pressure chamber sidewall, be provided with liquid entering hole and the liquid outlet that is communicated with described a plurality of feed liquor one-way valves and a plurality of fluid one-way valve at the second end cap, and
When transmission shaft rotated, it promoted thrust plate by a plurality of balls and does the circular cone swing, and driving track bar drive barrier film is done reciprocatory motion, suction or the discharge of realization liquid.
Be tapered portion to described holding cavity internal projection with the central authorities of the relative side of holding cavity of the first end cap on the pump housing, in the pump housing, be provided with the fluid pressure chamber, top, fluid pressure chamber is provided with the gland hole, gland hole internal thread is connected with gland, these gland central authorities have the track bar hole, respectively be provided with the unidirectional valve opening of at least one feed liquor and the unidirectional valve opening of at least one fluid in bottom, fluid pressure chamber, be provided with annular lead channel in the unidirectional valve opening of described feed liquor bottom, be provided with out sap cavity in the unidirectional valve opening of fluid bottom.
The shaft shoulder of transmission shaft and transmission shaft coaxial line are respectively equipped with the first annular ball grooves and the second annular ball grooves at the first end face and second end face of the shaft shoulder.
Thrust plate is circular tabular body, it is located at the opposite side of the second end face of the shaft shoulder, thrust plate parallels with the second end face of the described shaft shoulder, and the one side relative with the second end face of the shaft shoulder of thrust plate is provided with the three annular ball grooves corresponding with the described second annular ball grooves.
The center of the first end cap is provided with axis hole, and its inboard is provided with the columniform cavity of the shaft shoulder of accommodating described thrust plate and transmission shaft, is provided with the Fourth Ring shape ball grooves corresponding with the first annular ball grooves of the shaft shoulder in the bottom surface of this cavity.
The second end cap is provided with liquid inlet pipe hole and liquid outlet pipe hole, and this liquid inlet pipe hole is two sections scalariform holes that the different hole of diameter consists of with liquid outlet pipe hole.
A plurality of balls are contained in respectively between the described first annular ball grooves and Fourth Ring shape ball grooves and the second annular ball grooves and the 3rd annular ball grooves.
Track bar is movably set in the described track bar hole, and the one end contacts with described thrust plate, and the other end contacts with stressed member.
The second end slope of the transmission shaft shaft shoulder is 00＜α＜450 in the inclination alpha of described the first end face, and the inclination alpha perpendicular to the angle on the plane of central axis and described the second end face and the first end face of the conical surface of the tapered portion of the described pump housing and the pump housing is identical.
Contribution of the present utility model is that it efficiently solves the problems that exist in the prior art.Cooperating of the cone structure of the utility model by tilting thrust plate and the second end cap, so that the circular movement of transmission shaft changes the reciprocatory motion multiple spot of track bar, the reciprocatory motion of leggy into, it especially is fit to bear the occasion use of high pressure.In addition, because a plurality of valves and pipeline are integrated in the device, the volume of device is dwindled greatly.It is high that this device is compared the existing apparatus operational efficiency, long service life, the characteristics that reliable operation etc. are outstanding.
[description of drawings]
Fig. 1 is overall structure sectional view of the present utility model.
Fig. 2 is transmission shaft structure schematic representation of the present utility model, and wherein, Fig. 2 A is plan view, and Fig. 2 B is the plan view of Fig. 2 A.
Fig. 3 is thrust plate structural representation of the present utility model, and wherein, Fig. 3 A is plan view, and Fig. 3 B is the plan view of Fig. 3 A.
Fig. 4 is the first end cap structural representation of the present utility model, and wherein, Fig. 4 A is sectional view, and Fig. 4 B is the worm's eye view of Fig. 4 A.
Fig. 5 is pump body structure schematic representation of the present utility model, in, Fig. 5 A is sectional view, and Fig. 5 B is the plan view of Fig. 5 A, and Fig. 5 C is the worm's eye view of Fig. 5 A.
Fig. 6 is the second end cover structure schematic representation of the present utility model, and wherein, Fig. 6 A is sectional view, and Fig. 6 B is the plan view of Fig. 6 A.
Fig. 7 is gland structure schematic representation of the present utility model, and wherein, Fig. 7 A is sectional view, and Fig. 7 B is the worm's eye view of Fig. 7 A.
[embodiment]
The following example is to further explanation of the present utility model and explanation, and the utility model is not constituted any limitation.
Consult Fig. 1, of the present utility modelly swing the shaft-driven diaphragm pump of thrust by circular cone and comprise the pump housing 10, the first end cap 20, the second end cap 30, thrust plate 40, transmission shaft 50, ball 60 and track bar 70.
Shown in Fig. 5 A～Fig. 5 C, the described pump housing 10 is Cylindrical object, the tapered portion 13 of the upside of the pump housing 10 central authorities for raising up, and the angle α perpendicular to the plane of its central axis of the conical surface of this tapered portion 13 and the pump housing is 0
0＜α＜45
0, α is 4 in the present embodiment
0Be provided with a plurality of fluid pressures chamber 11 in the pump housing 10, in the present embodiment, the circumferencial direction cross in the pump housing 10 is provided with four fluid pressure chambeies 11 symmetrically, and 11 tops, fluid pressure chamber are provided with gland hole 14.Respectively be provided with a unidirectional valve opening 111 of feed liquor and the unidirectional valve opening 112 of fluid in 11 bottoms, fluid pressure chamber, at the unidirectional valve opening 111 of feed liquor and unidirectional valve opening 112 interior feed liquor one-way valve 81 and the fluid one-way valves 82 of being equipped with respectively of fluid.Be provided with annular lead channel 113 in the unidirectional valve opening of described feed liquor 111 bottoms, be provided with out sap cavity 114 in the unidirectional valve opening of fluid 112 bottoms, lead channel 113 and go out sap cavity 114 bottoms by 30 sealings of the second end cap.14 internal threads are connected with gland 15 in the gland hole, these gland 15 central authorities have track bar hole 151, each is equipped with a track bar 70 actively in four track bar holes 151, the two ends of track bar 70 contact with thrust plate 40 and barrier film 12 respectively, track bar 70 can the 151 interior to-and-fro motion in the track bar hole, are used for the thrust of thrust plate 40 is passed to barrier film 12.
Shown in Fig. 4 A, Fig. 4 B, be provided with the first end cap 20 on the described pump housing 10 tops, the center of this first end cap 20 is provided with axis hole 21, is used for placing transmission shaft 50.The inboard of the first end cap 20 is provided with columniform cavity 22, is used for the shaft shoulder 51 of accommodating described thrust plate 40 and transmission shaft.Be provided with Fourth Ring shape ball grooves 221 in the bottom surface of this cavity 22.
Shown in Fig. 6 A, Fig. 6 B, be provided with the second end cap 30 in the described pump housing 10 bottoms, this second end cap 30 is tabular body, which is provided with liquid inlet pipe hole 31 and liquid outlet pipe hole 32, this liquid inlet pipe hole 31 is two sections scalariform holes that the different hole of diameter consists of with liquid outlet pipe hole 32.At liquid inlet pipe hole 31 and liquid outlet pipe hole 32 interior liquid inlet pipe 91 and the drain pipes 92 of being equipped with respectively.
Such as Fig. 1, the usefulness bolt is involutory connects as one for the described pump housing 10, the first end cap 20 and the second end cap 30.
Shown in Fig. 2 A, Fig. 2 B, in the axis hole 21 of the first end cap 20, placed transmission shaft 50, the upper end of this transmission shaft 50 and the motor (not shown) of being located at the outside, transmission shaft 50 passes the first end cap 20, and extends in the holding cavity 21 of end cap.Be provided with the with it shaft shoulder 51 of coaxial line in the underpart of transmission shaft 50, the shaft shoulder 51 intersect the first end face 511(upper-end surfaces of ends with transmission shaft 50) perpendicular with the axis of transmission shaft 50, the second end face 512(lower end surface away from transmission shaft 50 of the shaft shoulder 51) downward-sloping in described the first end face 511.The inclination alpha that described the second end face 512 favours described the first end face 511 is 0
0＜α＜45
0, α is 4 in the present embodiment
0The first end face 511 and the second end face 512 at the shaft shoulder 51 are respectively equipped with for the first annular ball grooves 5111 and the second annular ball grooves 5121 of installing ball.
Shown in Fig. 3 A, Fig. 3 B, in the holding cavity 21 of the first end cap 20, be provided with thrust plate 40, this thrust plate 40 is swing member, it can be at the promotion lower swing of the shaft shoulder 51 of transmission shaft.This thrust plate 40 is circular tabular body, it is located at the opposite side of the second end face 512 of the shaft shoulder 51, and thrust plate parallels with the second end face 512 of the described shaft shoulder, and the upper surface of thrust plate 40 is provided with the three annular ball grooves 41 corresponding with the described second annular ball grooves 5121 of the shaft shoulder 51.The described first annular ball grooves 5111, the second annular ball grooves 5121, the 3rd annular ball grooves 41 and Fourth Ring shape ball grooves 221 are arc-shaped slot.
Such as Fig. 1, between the described first annular ball grooves 5111 and Fourth Ring shape ball grooves the 221 and second annular ball grooves 5121 and the 3rd annular ball grooves 41, a plurality of balls 60 are housed, be used for the driving force of transmission shaft 50 is delivered to thrust plate 40.
Fig. 1 is provided with barrier film 12 in fluid pressure chamber 11 for another example, and it can be any known barrier film, and the opening end that this diaphragm seal is connected in fluid pressure chamber 11 is used for doing under the effect of track bar 70 reciprocating, realizes suction or the discharge of liquid.On the sidewall in fluid pressure chamber 11, respectively be provided with a feed liquor one-way valve 81 and a fluid one-way valve 82, be respectively applied to control the turnover of liquid.
As shown in Figure 1, when transmission shaft 50 is rotated by motor driving, it does the circular cone swing by a plurality of balls 60 promotion thrust plates 40 that are arranged between the first annular ball grooves 5111 and Fourth Ring shape ball grooves the 221 and second annular ball grooves 5121 and the 3rd annular ball grooves 41, and drive track bars 70 by thrust plate 40 and drive barrier films 12 and do reciprocatory motion, realize suction or the discharge of liquid.
Although by above embodiment the utility model is disclosed; but protection domain of the present utility model is not limited to this; do not departing under the condition of the utility model design, the distortion that above each member is done, replacement etc. all will fall in the claim scope of the present utility model.
Claims (9)
1. one kind swings the shaft-driven diaphragm pump of thrust by circular cone, it is characterized in that, this diaphragm pump comprises the pump housing (10) and involutory the first end cap (20) and the second end cap (30) that is connected in the pump housing (10) both sides, in the first end cap (20), be provided with holding cavity (21), be provided with thrust plate (40) in the holding cavity (21), the first end cap (20) is provided with in the holding cavity (21) from the end cap extension to end cap and with the transmission shaft (50) of the shaft shoulder (51), first end face (511) with the crossing end of transmission shaft (50) of the described shaft shoulder (51) is perpendicular with the axis of transmission shaft (50), second end face (512) away from transmission shaft (50) of the shaft shoulder (51) favours described the first end face (511), between the shaft shoulder (51) of transmission shaft and thrust plate (40) and the shaft shoulder (51) and the first end cap (20), be provided with a plurality of balls (60), in the described pump housing, be provided with a plurality of fluid pressures chamber (11), in fluid pressure chamber (11), be provided with barrier film (12), be provided with actively respectively the track bar (70) that contacts with barrier film (12) with thrust plate (40) on the pump housing (10), be provided with at least one feed liquor one-way valve (81) and at least one fluid one-way valve (82) at each fluid pressure chamber (11) sidewall, be provided with liquid entering hole (31) and the liquid outlet (32) that is communicated with described a plurality of feed liquor one-way valves (81) and a plurality of fluid one-way valve (82) at the second end cap (30), and
When transmission shaft (50) rotated, it promoted thrust plate (40) by a plurality of balls (60) and does the circular cone swing, and driving track bar (70) drive barrier film (12) is done reciprocatory motion, suction or the discharge of realization liquid.
2. as claimed in claim 1 by the shaft-driven diaphragm pump of circular cone swing thrust, it is characterized in that, the central authorities of the upper relative side of holding cavity (21) with the first end cap of the described pump housing (10) are the tapered portion (13) to described holding cavity internal projection, in the pump housing, be provided with fluid pressure chamber (11), top, fluid pressure chamber (11) is provided with gland hole (14), gland hole (14) internal thread is connected with gland (15), this gland (15) central authorities have track bar hole (151), respectively be provided with the unidirectional valve opening of at least one feed liquor (111) and the unidirectional valve opening of at least one fluid (112) in fluid pressure chamber (11) bottom, be provided with annular lead channel (113) in the unidirectional valve opening of described feed liquor (111) bottom, be provided with out sap cavity (114) in the unidirectional valve opening of fluid (112) bottom.
3. as claimed in claim 1 by the shaft-driven diaphragm pump of circular cone swing thrust, it is characterized in that, the shaft shoulder (51) of described transmission shaft (50) and transmission shaft (50) coaxial line are respectively equipped with the first annular ball grooves (5111) and the second annular ball grooves (5121) at the first end face (511) and second end face (512) of the shaft shoulder (51).
4. as claimed in claim 3 by the shaft-driven diaphragm pump of circular cone swing thrust, it is characterized in that, described thrust plate (40) is circular tabular body, it is located at the opposite side of second end face (512) of the shaft shoulder (51), thrust plate parallels with second end face (512) of the described shaft shoulder, and the one side relative with the second end face shaft shoulder (512) thrust plate (40) is provided with the three annular ball grooves (41) corresponding with the described second annular ball grooves (5121).
5. as claimed in claim 1 by the shaft-driven diaphragm pump of circular cone swing thrust, it is characterized in that, the center of described the first end cap (20) is provided with axis hole (21), its inboard is provided with the columniform cavity (22) of the shaft shoulder (51) of accommodating described thrust plate (40) and transmission shaft, is provided with the Fourth Ring shape ball grooves (221) corresponding with the first annular ball grooves (5111) of the shaft shoulder in the bottom surface of this cavity (22).
6. as claimed in claim 1 by the shaft-driven diaphragm pump of circular cone swing thrust, it is characterized in that, described the second end cap (30) is provided with liquid inlet pipe hole (31) and liquid outlet pipe hole (32), and this liquid inlet pipe hole (31) is two sections scalariform holes that the different hole of diameter consists of with liquid outlet pipe hole (32).
As in the claim 3 to 5 arbitrary describedly swing the shaft-driven diaphragm pump of thrust by circular cone, it is characterized in that described a plurality of balls (60) are contained in respectively between the described first annular ball grooves (5111) and Fourth Ring shape ball grooves (221) and the second annular ball grooves (5121) and the 3rd annular ball grooves (41).
8. as claimed in claim 2 a kind of by the shaft-driven diaphragm pump of circular cone swing thrust, it is characterized in that, described track bar (70) is movably set in the described track bar hole (151), and the one end contacts with described thrust plate (40), and the other end contacts with stressed member.
9. as claimed in claim 1 or 2 a kind of by the shaft-driven diaphragm pump of circular cone swing thrust, it is characterized in that the inclination alpha that second end face (512) of the described transmission shaft shaft shoulder favours described the first end face (511) is 0
0＜α＜45
0, angle and described second end face (512) perpendicular to the plane of central axis of the conical surface of the tapered portion (13) of the described pump housing (10) and the pump housing are identical with the inclination alpha of the first end face (511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114043 CN203257644U (en) | 2013-03-13 | 2013-03-13 | Membrane pump driven by conical swing thrust shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320114043 CN203257644U (en) | 2013-03-13 | 2013-03-13 | Membrane pump driven by conical swing thrust shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203257644U true CN203257644U (en) | 2013-10-30 |
Family
ID=49470213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320114043 Expired - Lifetime CN203257644U (en) | 2013-03-13 | 2013-03-13 | Membrane pump driven by conical swing thrust shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203257644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147962A (en) * | 2013-03-13 | 2013-06-12 | 肖立峰 | Membrane pump driven by conical oscillating thrust shaft |
| WO2018082066A1 (en) * | 2016-11-04 | 2018-05-11 | 肖立峰 | Pipeline diaphragm pump |
-
2013
- 2013-03-13 CN CN 201320114043 patent/CN203257644U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147962A (en) * | 2013-03-13 | 2013-06-12 | 肖立峰 | Membrane pump driven by conical oscillating thrust shaft |
| CN103147962B (en) * | 2013-03-13 | 2015-09-02 | 肖立峰 | By the shaft-driven diaphragm pump of conical pendu0 dynamicthrust |
| WO2018082066A1 (en) * | 2016-11-04 | 2018-05-11 | 肖立峰 | Pipeline diaphragm pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131030 Effective date of abandoning: 20150902 |
|
| RGAV | Abandon patent right to avoid regrant |