CN102678534A - Tunnel pump head cover of constant pressure diaphragm pump - Google Patents
Tunnel pump head cover of constant pressure diaphragm pump Download PDFInfo
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- CN102678534A CN102678534A CN2011103315175A CN201110331517A CN102678534A CN 102678534 A CN102678534 A CN 102678534A CN 2011103315175 A CN2011103315175 A CN 2011103315175A CN 201110331517 A CN201110331517 A CN 201110331517A CN 102678534 A CN102678534 A CN 102678534A
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Abstract
The invention relates to a tunnel pump head cover of a constant pressure diaphragm pump. A water inlet and a water outlet are respectively formed at the two corresponding ends of the outer edge surface of the tunnel pump head cover; a stepped groove is annularly formed at the bottom of the inner edge surface of the tunnel pump head cover, so that the outer peripheral surface of a diaphragm valve cover group can be tightly attached to the stepped groove; an annular groove is convexly formed in the center of the inner edge surface of the tunnel pump head cover, which faces the stepped groove; the tunnel pump head cover is divided into a low pressure area and a high pressure area by the annular groove; an adjusting opening is formed between the water inlet and the water outlet; and the high pressure area is communicated with the water outlet. The tunnel pump head cover is characterized in that a hollow tunnel is arranged on the inner side of the top of the tunnel pump head cover; a pressure relief opening is formed at one end of the tunnel, which is positioned in the high pressure area, and is communicated with the high pressure area; the other end of the tunnel passes through the annular groove and is communicated with the water inlet; a round gap is formed at the water inlet; and the pressure relief opening is communicated with the adjusting opening. The tunnel pump head cover is compact in size, fully relieves pressure and can timely adjust pressure balance in the diaphragm pump to make the constant pressure diaphragm pump reliably operate.
Description
Technical field
The invention belongs to the diaphragm pump of constant pressure type technical field, be specifically related to a kind of design of diaphragm pump of constant pressure type pump head lid.
Background technique
Application number is the design proposal that 200610104087.2 patent document discloses a kind of diaphragm pump of constant pressure type.The main purpose of this invention is that a kind of diaphragm pump of constant pressure type is being provided; Mainly be between the hydraulic pressure outfall of its pump head lid and water intake, to be equipped with a connecting pipe road; Feasible unnecessary hydraulic pressure from pump head lid inner high voltage hydroecium; Can be disposed to outside the high pressure hydroecium by this hydraulic pressure outfall earlier in regular turn; After arriving the water intake of pump head lid via this connecting pipeline again, and directly get in the interior low pressure hydroecium of pump head lid, to constitute a pressure release closed recirculating circuit that is formed by the high pressure hydroecium in the pump head lid, hydraulic pressure outfall, connecting pipeline, water intake and low pressure hydroecium; Make the water flow of this unnecessary hydraulic pressure must not be guided to again in other complementary tank, and the inconvenience and not convenient following that solve the user cause and are reluctant the waste of recovery.By the excavationg pump bonnet body outer more than the i.e. direct pilot flow direction water intake once again of surplus hydraulic pressure; The merging of can confluxing each other with the hydraulic pressure of source water inlet improves the intake pressure of pump head lid integral body and the power of indirect help motor output on the contrary; Comparatively laborsaving, and then reach the energy-saving efficiency of more economizing ability.Owing to more be provided with a backflow buffering annular groove 781 in the position of intersection mutually with the hydraulic pressure outfall at pump head lid internal pressure-regulating groove 78; Before making that the water of unnecessary hydraulic pressure arrives the hydraulic pressure outfall; Must be earlier after this backflow buffering annular groove that detours; Could arrive the hydraulic pressure outfall and export, so can effectively reduce the operating noise of pressure diaphragm pump.
Be illustrated in figure 1 as application number and be the three-dimensional exploded view of 200610104087.2 application for a patent for invention, Fig. 2 is one of schematic perspective view of pump head lid, Fig. 3 be the pump head lid schematic perspective view two.Like Fig. 1-3, diaphragm pump of constant pressure type comprises: a motor 10; One is positioned at cage 11 on these motor 10 force-output shafts (figure is last not to be shown) end, and these upper cover base 11 peripheries are put and are provided with several screws 12; One is hubbed in this loam cake pedestal 11, and receives this motor 10 force-output shafts driving and change several escapements 13 that are axially reciprocating; One is located at the barrier film valve gap group 20 on this upper cover base 11, and its end face central authorities are embedded with a high pressure valve 23, then is being embedded with several Low pressure valves 22 on the bottom surface around this high pressure valve 23; An and pump head lid 70 etc.; By several screws 12 of upper cover base 11 perforation 701 preset with pump head lid 70 opposite positions, jointly by bolt 2 in addition spiral shell be combined into one admittedly.
Wherein, Corresponding two ends respectively are provided with a water intake 71 and a water outlet 72 on the outer edge surface of this pump head lid 70; Then be equipped with a scalariform groove 702 in the bottom of its inner rim face; Make that circumferential surface can fit tightly on this scalariform groove 702 outside this barrier film valve gap group 20; The inner edge surface central authorities of this pump head lid 70 convex with an annular groove 75 towards this scalariform groove 702 again, and on its trough wall surface, are equipped with the osculum 76 that is conducted with water outlet 72 again, and the tip portion of this annular groove 75 is to press on the high pressure valve that is affixed on this barrier film valve gap group 20 23 peripheral edge faces in addition; Make to form a high pressure hydroecium 74 between internal face and this barrier film valve gap group 20 of this annular groove 75, then form several low pressure hydroeciums 73 between the inner edge surface of the outer edge surface of annular groove 75 and pump head lid 70.Be equipped with a connecting pipe road 90 between the hydraulic pressure outfall 79 of this pump head lid 70 and the water intake 71; And this connecting pipeline 90 is to be spirally connected each other by a three-way pipe T with this water intake 71, is able to form a pressure release closed recirculating circuit by high pressure hydroecium 74, hydraulic pressure outfall 79, connecting pipeline 90, water intake 71 and low pressure hydroecium 73 in this pump head lid 70.
The technological scheme that from application number is 200610104087.2 application for a patent for invention can know that the outside of pump head lid 70 has a connecting pipeline 90 to be communicated with high pressure hydroecium 74 and water intake 71 and low pressure hydroecium 73 in the pump head lids 70.The setting of this connecting pipeline 90 has increased the occupation space of whole constant pressure pump in use, and installs inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of diaphragm pump of constant pressure type tunnel type pump head lid,, adopt a kind of tunnel type pump head lid, replace existing pump head lid and connecting pipeline to the defective of existing technology.
A kind of diaphragm pump of constant pressure type tunnel type of the present invention pump head lid; Corresponding two ends respectively are provided with a water intake and a water outlet on its outer edge surface; Then be equipped with a scalariform groove in the bottom of its inner rim face; The outer periphery face of this barrier film valve gap group can be fitted tightly on this scalariform groove, and the inner edge surface central authorities of this tunnel type pump head lid are provided with an annular groove towards this scalariform geosynclinal convex again; Annular groove is divided into low pressure area and zone of high pressure with this tunnel type pump head lid; On the outer edge surface of tunnel type pump head lid, also be provided with and regulate mouth; The zone of high pressure is communicated with water outlet;
It is characterized in that: this tunnel type pump head tops inboard is provided with a tunnel 104, tunnel hollow, and the end that this tunnel is positioned at zone of high pressure 107 has pressure relief opening 108, is communicated with zone of high pressure 107; The tunnel the other end passes annular groove 105 and is communicated with water intake 101; The bottom end position of water intake 101 has circular slit 110 simultaneously, to be communicated with low pressure area 106; Described pressure relief opening 108 is communicated with adjusting mouth 103 simultaneously.
The center line of described conciliation mouth is staggered vertical with the water outlet line of centres with water intake.
The rectangular type in described tunnel.
When constant pressure pump was worked, water was got into by water intake, flowed into low pressure area through the slit, and the water of low pressure area is extruded the back and gets into the zone of high pressure, and a high pressure water part flows out through water outlet, and a part gets into the tunnel through pressure relief opening, flows into water intake at last; By above-mentioned these structures, described zone of high pressure, pressure relief opening, tunnel, water intake and low pressure area have formed the closed recirculating circuit of a pressure release.
A kind of diaphragm pump of constant pressure type tunnel type of the present invention pump head lid, its advantage and effect are: this tunnel type pump head lid is long-pending compact, and elegant in appearance, pressure release is abundant, can in time regulate the pressure balance in the diaphragm pump, makes that the diaphragm pump of constant pressure type operation is more reliable.
Description of drawings
Fig. 1: application number is 200610104087.2 three-dimensional exploded view.
Fig. 2: application number is one of schematic perspective view of pump head lid in 200610104087.2.
Fig. 3 a: application number be 200610104087.2 pump head lids schematic perspective view two.
Fig. 3 b: the e-e of Fig. 3 a is to sectional view
Fig. 4: perspective view of the present invention
Fig. 5: inner-cavity structure schematic representation of the present invention
Fig. 6: the A-A of Fig. 4 of the present invention is to sectional view
Fig. 7: the B-B of Fig. 4 of the present invention is to sectional view
Label is following among the figure:
10-motor 11-upper cover base
12-screw 13-escapement
20-barrier film valve gap group 23-high pressure valve
22-Low pressure valve 70-pump head lid
71-water intake 72-water outlet
73-low pressure hydroecium 74-high pressure hydroecium
701-perforation 702-scalariform groove
75-annular groove 76-osculum
78-pressure regulation groove 781-backflow dashpot
79-hydraulic pressure outfall 90-connecting pipeline
P-water pipe T-three-way pipe
102 water outlets 103 are regulated mouth
104 tunnels, 105 annular grooves
106 low pressure areas, 107 zone of high pressure
108 pressure relief openings, 110 slits
Embodiment
Like Fig. 4,5,6, shown in 7; Corresponding two ends respectively are provided with a water intake 101 and a water outlet 102 on the outer edge surface of tunnel type pump head lid; Then be equipped with a scalariform groove in the bottom of its inner rim face; Make that circumferential surface can fit tightly on this scalariform groove outside this barrier film valve gap group 20, the inner edge surface central authorities of this tunnel type pump head lid convex with an annular groove 105 towards this scalariform groove 702 again.Annular groove 105 is divided into low pressure area 106 and zone of high pressure 107 with this tunnel type pump head lid.On the outer edge surface of tunnel type pump head lid, be provided with on its center line and water intake 101 and the staggered vertical direction of water outlet 102 lines of centres and regulate mouth 103 (like Fig. 4, shown in 7).Zone of high pressure 107 is communicated with (showing like Fig. 6) with water outlet 102.
Like Fig. 5, shown in 7, this tunnel type pump head tops inboard is provided with a tunnel 104, tunnel 104 hollows and rectangular type, and the one of which end passes annular groove 105 and is communicated with water intake 101, and 104 bottoms have pressure relief opening 108 in the tunnel, to be communicated with zone of high pressure 107.The other end in tunnel 104 ... (being provided with pressure relief opening 108 to be communicated with, as shown in Figure 7) with adjusting mouth 103.Water intake 101 bottom end positions have circular slit 110 simultaneously, and are to be communicated with low pressure area 106, as shown in Figure 6.When constant pressure pump was worked, water was got into by water intake 101, flowed into low pressure area 106 through slit 110; Get into zone of high pressure 107 after the hydraulic pressure of low pressure area contracts, a high pressure water part flows out through water outlet 102, and a part is through pressure relief opening 108; Get into tunnel 104, flow into water intake 101 at last.By above-mentioned these structures, described zone of high pressure 107, pressure relief opening 108, tunnel 104, water intake 101 and low pressure area 106 have formed the closed recirculating circuit of a pressure release.
Claims (3)
1. a diaphragm pump of constant pressure type tunnel type pump head covers; Corresponding two ends respectively are provided with a water intake and a water outlet on its outer edge surface; Then be equipped with a scalariform groove in the bottom of its inner rim face; The outer periphery face of this barrier film valve gap group can be fitted tightly on this scalariform groove, and the inner edge surface central authorities of this tunnel type pump head lid are provided with an annular groove towards this scalariform geosynclinal convex again; Annular groove is divided into low pressure area and zone of high pressure with this tunnel type pump head lid; On the outer edge surface of tunnel type pump head lid, also be provided with and regulate mouth; The zone of high pressure is communicated with water outlet;
It is characterized in that: this tunnel type pump head tops inboard is provided with a tunnel (104), tunnel hollow, and an end in this tunnel passes annular groove (105) and is communicated with adjusting mouthful (103); The tunnel the other end passes annular groove (105) and is communicated with water intake (101); The bottom end position of water intake (101) has semicircle slit (110) simultaneously, to be communicated with low pressure area (106); The part that described adjusting mouthful (103) is positioned at zone of high pressure (107) has pressure relief opening (108).
2. according to the said a kind of diaphragm pump of constant pressure type tunnel type pump head lid of claim 1, it is characterized in that: the center line of described conciliation mouthful (103) is staggered vertical with water outlet (102) line of centres with water intake (101).
3. according to the said a kind of diaphragm pump of constant pressure type tunnel type pump head lid of claim 1, it is characterized in that: described tunnel (104) are type at right angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103315175A CN102678534A (en) | 2011-10-27 | 2011-10-27 | Tunnel pump head cover of constant pressure diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103315175A CN102678534A (en) | 2011-10-27 | 2011-10-27 | Tunnel pump head cover of constant pressure diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102678534A true CN102678534A (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103315175A Pending CN102678534A (en) | 2011-10-27 | 2011-10-27 | Tunnel pump head cover of constant pressure diaphragm pump |
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| CN (1) | CN102678534A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2307930Y (en) * | 1997-05-29 | 1999-02-17 | 邓忠荣 | Pump with pressure regulating structure |
| JPH11247762A (en) * | 1997-12-29 | 1999-09-14 | Auto Service Marushin:Kk | Diaphragm pump |
| WO2003100253A1 (en) * | 2002-05-24 | 2003-12-04 | Keith Larke | An improved fluid pump |
| CN2767704Y (en) * | 2005-01-13 | 2006-03-29 | 蔡应麟 | Pressure relief regulating device for diaphragm pump for direct drinking machine |
| CN101050763A (en) * | 2006-04-03 | 2007-10-10 | 徐兆火 | Diaphragm pump of constant pressure type |
| US20080095651A1 (en) * | 2006-10-20 | 2008-04-24 | Hitoshi Onishi | Diaphragm pump and thin channel structure |
| CN202348651U (en) * | 2011-10-27 | 2012-07-25 | 蔡应麟 | Constant-pressure diaphragm pump tunnel-based pump head cover |
-
2011
- 2011-10-27 CN CN2011103315175A patent/CN102678534A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2307930Y (en) * | 1997-05-29 | 1999-02-17 | 邓忠荣 | Pump with pressure regulating structure |
| JPH11247762A (en) * | 1997-12-29 | 1999-09-14 | Auto Service Marushin:Kk | Diaphragm pump |
| WO2003100253A1 (en) * | 2002-05-24 | 2003-12-04 | Keith Larke | An improved fluid pump |
| CN2767704Y (en) * | 2005-01-13 | 2006-03-29 | 蔡应麟 | Pressure relief regulating device for diaphragm pump for direct drinking machine |
| CN101050763A (en) * | 2006-04-03 | 2007-10-10 | 徐兆火 | Diaphragm pump of constant pressure type |
| US20080095651A1 (en) * | 2006-10-20 | 2008-04-24 | Hitoshi Onishi | Diaphragm pump and thin channel structure |
| CN202348651U (en) * | 2011-10-27 | 2012-07-25 | 蔡应麟 | Constant-pressure diaphragm pump tunnel-based pump head cover |
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Application publication date: 20120919 |