CN101796298B - Diaphragm assembly for pump and eccentric bushing retainer for the same - Google Patents
Diaphragm assembly for pump and eccentric bushing retainer for the same Download PDFInfo
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- CN101796298B CN101796298B CN2008801059166A CN200880105916A CN101796298B CN 101796298 B CN101796298 B CN 101796298B CN 2008801059166 A CN2008801059166 A CN 2008801059166A CN 200880105916 A CN200880105916 A CN 200880105916A CN 101796298 B CN101796298 B CN 101796298B
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- diaphragm
- guard ring
- pump
- head piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/025—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/11—Kind or type liquid, i.e. incompressible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/30—Retaining components in desired mutual position
Abstract
The present invention relates, in general, to diaphragm assemblies for pumps used in water purifiers or the like and, more particularly, to a diaphragm assembly, which includes a retainer for holding a bearing and eccentric bushing assembly coupled to a drive shaft of a motor, a diaphragm, head members for serving as pistons, and relay members, and which meets necessary conditions in which the diaphragm must be soft and flexible so that a wobbling motion may be conducted by the eccentric bushing but the head members for conducting pumping functions and the relay members for fastening the head members and the diaphragm to the retainer must be relatively hard. In addition, the diaphragm assembly facilitates the assembly process of the whole and ensures superior sealing ability and structural reliability. The diaphragm assembly for pumps, comprises: a retainer, having: a center seating hole for seating an eccentric bushing assembly therein, the eccentric bushing assembly including an eccentric bushing having a shaft hole, which is fitted over a drive shaft of a motor, and a bearing fitted over an outer surface of the eccentric bushing; and coupling parts provided on an outer portion of a sidewall of the retainer which defines the center seating hole therein, the coupling parts being arranged in a circumferential direction; a diaphragm having coupling holes at positions corresponding to the respective coupling parts of the retainer; a plurality of head members, each of which has a piston surface, with a fastening hole formed in a rear surface of each of the head members, the rear surface of the head member being opposite the piston surface and being brought into contact with the diaphragm, the head members fastening the diaphragm to the coupling parts of the retainers.
Description
Technical field
The present invention relates to diaphragm unit for the pump that is used for water purifier etc.; Especially constitute guard ring (retainer), diaphragm, the head member that plays piston action and the relay part of ccontaining [bearing+eccentric bush combination] that combines with live axle through mode with separate part; Thereby than possessing soft characteristic or flexible diaphragm for guarantee to swing (wobble) motion through eccentric bush; Not only satisfy the requirement make the relay part that the head member that possesses pumping function and [head member and diaphragm] are fixed in above-mentioned guard ring possess rigid nature; But also novel general chip module, and be the guard ring of [diaphragm+head member+relay part combination] and [bearing+eccentric bush combination] (following abbreviation " centrifugal axle bush combination ") with characteristics such as simple and convenient assembly property, robustnesses.
Background technique
The pulse characteristic that is used for the diaphragm pump of water purifier etc. for improvement; On the diaphragm of doing swing (wobble) motion through the eccentric bush that is connected with the live axle of motor; Constitute three heads that possess piston area; And for making above-mentioned three head arrange three pump chambers wherein; Possess the diaphragm pump of three inlet valves in valve plates, have Republic of Korea's patent of SHURFLO PUMP MANUFACTURING CO. company to disclose " the triple protrusion pumps that comprise the one-piece type piston of diaphragm " of 1997-0066091 number (1997.10.13).
But; Shown in the combination section of Fig. 1, in above-mentioned publication, because of the head that possesses piston area of diaphragm 120 130 be used for guard ring 110 (being referred to as " wobble plate ") at this patent gazette at ccontaining [eccentric bush C1+ bearing C2 combination]; Fixedly the position of diaphragm (in this patent gazette, being referred to as " bottom 140 ") is integrally formed; Therefore, need the one manufacturing need possess soft characteristic and flexible diaphragm, play the head 130 and the bottom 140 of pumping function and fixed function separately, thereby; Especially in the above-mentioned bottom that combines with guard ring 110, there be the bad problem relevant with combination force.
To unaccounted reference symbol among Fig. 1, will in the explanation relevant, continue with the present invention below Fig. 2 bright, and for relevant with the key element of the present invention below Fig. 2 each reference symbol with the existing technology of Fig. 1; Have identical reference symbol, especially have identical ten and units, or identical ten, individual and the reference symbol of letter; Expression possesses the parts of identical function, and, if there is not special explanation; The parts of each reference symbol indication of accompanying drawing can above-mentioned standard go to understand.
In addition; At AQUTEC WATER SYSTEMS; The patent of INC company disclose 1997-0011404 number (1997.03.27's) " compound film sheet that is used for diaphragm pump "; Possess the head piece of piston area through being independent of the diaphragm formation, thereby make above-mentioned head piece, be directly fixed on the guard ring through bolt with diaphragm.
But because of bolt head, above-mentioned head piece is rough, thereby influences suction performance, and the water tightness between above-mentioned diaphragm, head piece and the bolt is also brought influence.
Summary of the invention
Therefore, the objective of the invention is to, the new membrane chip module is provided, existing problem in the diaphragm that existing head of its solution and bottom are integrally formed reaches the problem of assembling through the separate part mode.
The objective of the invention is to; A kind of diaphragm unit is provided; In existing diaphragm, constitute the head piece that plays piston action with the individual components mode, and the head piece that is inserted in above-mentioned diaphragm joining hole is incorporated into relay part; And [diaphragm+head piece+relay part combination] passes through relay part; Be incorporated into the guard ring (retainer) of ccontaining [eccentric bush combination], thereby not only satisfy diaphragm and the head piece of rigid nature and the requirement of relay part of soft characteristic, and can also satisfy the robustness requirement of assembling performance and bonding state.
Another object of the present invention is to; A kind of diaphragm unit is provided; For optimizing the characteristic of head piece; Consider with the thin portion of outwards arranging with to the relevant disclosed piston area structure of centrally disposed thick directivity, for above-mentioned head piece and above-mentioned diaphragm surface of contact, above-mentioned head piece and the surface of contact of above-mentioned relay part surface of contact, above-mentioned relay part and above-mentioned guard ring and the combination of above-mentioned surface of contact, for the fixed center position forms combination of inner and outside parts.
Another purpose of the present invention is, a kind of diaphragm unit is provided, and at the surface of contact of above-mentioned diaphragm and above-mentioned head piece and above-mentioned relay part, forms airtight projection for improving water tightness.
A the present invention also purpose is; A kind of diaphragm unit is provided; It possesses a kind of combining structure, can make the bolt head as the bonded block of above-mentioned head piece that combines in the middle of above-mentioned diaphragm is placed and above-mentioned relay part, when combining above-mentioned relay part and above-mentioned guard ring; Do not play blanketing, and above-mentioned bolt head also can increase the combination force of above-mentioned relay part and above-mentioned guard ring.
A purpose more of the present invention is, a kind of guard ring for [diaphragm+head piece+relay part combination] and [eccentric bush combination] is provided, and it provides structure closely when possessing enough robustnesses.
For achieving the above object, the present invention is used for the diaphragm unit of pump, comprising:
Guard ring comprises:
Holding part, ccontaining by the eccentric bush that possesses the axis hole that the power supply machine live axle combines and be incorporated into the eccentric bush combination that the bearing of above-mentioned eccentric bush outer circumferential face constitutes;
The connecting part, the outside forming above-mentioned holding part is radial arrangement;
Diaphragm possesses the joining hole corresponding to above-mentioned guard ring connecting part;
Head piece possesses piston area, and forms joining hole at the another side of the above-mentioned piston area that makes above-mentioned diaphragm contact, thereby above-mentioned diaphragm is fixed in the connecting part of above-mentioned guard ring; And
Relay part is arranged between above-mentioned guard ring and the above-mentioned diaphragm, respectively is incorporated into the connecting part of above-mentioned guard ring and the joining hole of head piece,
Each connecting part at above-mentioned guard ring has the central position fixed hole, and forms the fixed projection that is incorporated into the said fixing hole at above-mentioned relay part.
The present invention is used for the diaphragm unit of pump; Simplicity for to the orientation characteristic of the above-mentioned head piece of above-mentioned diaphragm forms the insertion projection of the joining hole that is inserted in above-mentioned diaphragm on above-mentioned head piece, and on above-mentioned relay part, forms the insertion groove that the insertion projection that supplies above-mentioned head piece combines; Especially; Be the characteristic of bonding position, the section of above-mentioned insertion projection and above-mentioned insertion groove possesses non-circular shape.
The present invention is used for the diaphragm unit of pump, for combination situation characteristic of each key element (this be actually into the orientation characteristic of head piece) and simple and convenient assembly property, has the central position fixed hole in each connecting part of above-mentioned guard ring; And form the fixed projection that is incorporated into the said fixing hole at above-mentioned relay part; And in the connecting part of above-mentioned guard ring, for the bolt head of each joining hole of being incorporated into above-mentioned relay part and above-mentioned head piece forms the clamping section, in addition; At above-mentioned relay part; Formation possesses the projection in order to the screw hole that combines with above-mentioned guard ring, and in the connecting part of above-mentioned guard ring, forms the groove of above-mentioned projection.
The present invention is used for the diaphragm unit of pump, be to improve water tightness, and above-mentioned relay part forms airtight projection at the surface of contact of above-mentioned diaphragm, and on above-mentioned head piece, forms airtight projection at above-mentioned diaphragm surface of contact.
Eccentric bush combination guard ring of the present invention comprises:
Central authorities' holding part, ccontaining by the eccentric bush that possesses the axis hole that the power supply machine live axle combines and be incorporated into the eccentric bush combination that the bearing of above-mentioned eccentric bush outer circumferential face constitutes; And
The connecting part at the face to diaphragm, forms hollow and reaches two central position fixed holes around above-mentioned hollow, and in the outside that forms above-mentioned holding part, be radial arrangement;
And at above-mentioned sidewall, possess be formed with through cuts obtain elasticity and bite above-mentioned bearing outer wall chock control framework, thereby satisfy requirements such as robustness, packaging and bonding state tightness.
The present invention is used for the diaphragm unit of pump; Make [diaphragm+head piece+relay part combination] that constitute with the separate part form; Be incorporated into through relay part on the guard ring (retainer) of ccontaining [eccentric bush combination]; Thereby not only satisfy diaphragm and the head piece of rigid nature and the requirement of relay part of soft characteristic, and can also satisfy the robustness requirement of assembling performance and bonding state.
In addition; The present invention is above-mentioned head piece and above-mentioned diaphragm surface of contact, above-mentioned head piece and the surface of contact of above-mentioned relay part surface of contact, above-mentioned relay part and above-mentioned guard ring and the combination of above-mentioned surface of contact; For the fixed center position forms combination of inner and outside parts; Thereby can satisfy suction performance optimization, the thin portion of arranging laterally and to centrally disposed thick directional conditions for head piece.
And the present invention forms airtight projection through the surface of contact at above-mentioned diaphragm and above-mentioned head piece and above-mentioned relay part, improves water people property.
It possesses a kind of combining structure the present invention; Can make bolt head as the bonded block of above-mentioned head piece that combines in the middle of above-mentioned diaphragm is placed and above-mentioned relay part; When combining above-mentioned relay part and above-mentioned guard ring; Do not play blanketing, and above-mentioned bolt head also can increase the combination force of above-mentioned relay part and above-mentioned guard ring.
In addition, the present invention can make the guard ring into [diaphragm+head piece+relay part combination] and [eccentric bush combination], when possessing enough robustnesses, structure closely is provided.
Description of drawings
Fig. 1 is the summary section of existing diaphragm pump;
Fig. 2 and Fig. 3 respectively are used for the combination sectional drawing and the major component decomposing section of the diaphragm unit of pump for the present invention;
Fig. 4 is used for the decomposing schematic representation of the diaphragm unit of pump for the present invention;
Fig. 5 is the front elevation and the back elevation of eccentric bush guard ring of the present invention.
* reference numeral *
M: motor H1, H2, H3: outer cover
S: pressure switch V: valve plates
E: the G of inflow portion: discharge portion
A: diaphragm unit C: eccentric bush combination
10: guard ring 11: holding part
13: sidewall 15: control framework
17: connecting part 17A: clamping section
17B: central position fixed hole 17C: screw hole
18: weight reducing groove 19A, 19B: strengthen bar
20: diaphragm 21: joining hole
21A: dimple 21B: annular offset
23: next door 25A, 25B: flange
30: head piece 31: piston area
33: insert projection 33A: joining hole
33B: articulate groove 35: airtight projection
40: relay part 41: insertion groove
41A: joining hole 41B: concave groove
41C: annular is provided with offset 43: annular groove
45: airtight projection 47: central position fixed projection
49: projection 49A: flight
Embodiment
Below, in conjunction with accompanying drawing the present invention is elaborated.
Though Fig. 1 is the accompanying drawing relevant with existing pump; But because of diaphragm unit A of the present invention is main different with existing structure, therefore, in explanation with except that the diaphragm 120 of Fig. 1 and the guard ring 110; During of the present invention below Fig. 2 relevant, with the corresponding construction of quoting Fig. 1 with other key elements.
When explanation diaphragm unit A of the present invention, for simplicity,, stipulate not rigorous direction standard roughly: then head piece 30 1 side marks are decided to be the place ahead or front, and guard ring 10 1 side marks are decided to be the rear or the back side if with reference to figure 2 and Fig. 4; And will be inboard along the direction dictates of axle, and its opposite side mark is decided to be the outside or outer.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, diaphragm unit A of the present invention comprises guard ring 10, diaphragm 20, head piece 30 and relay part 40.
In Fig. 1; Key element about other pumps; In built-in the place ahead that possesses for the first outer cover H1 of the motor M of two bearing M2 of live axle M1; Be arranged as rotatablely moving of above-mentioned motor is passed to that above-mentioned diaphragm 20 causes oscillating motion and the eccentric bush C2 that forms axis hole C1a, and be the second outer cover H2 of the combination C of the ccontaining bearing C2 of the surface friction drag that reduces above-mentioned eccentric bush; And, combine to possess the 3rd outer cover H3 for the holding part of the holding part of pressure switch S and valve plates V through mating part in its place ahead.
Above-mentioned pressure switch S, through measuring the pressure of the inner and passage that is connected with pump of pump, when measured pressure less than or during the overgauge value, the on/off motor M.
Possessing in the inlet valve E1 of above-mentioned valve plates V is three; And outlet valve G1 is one; Therefore, the quantity of the connecting part 17 of the joining hole 21 of above-mentioned diaphragm, head piece 30, relay part 40, above-mentioned guard ring 10 respectively is three, and its arrangement position also is corresponding position.But the present invention does not receive the quantity of above-mentioned each key element and the restriction of arrangement position.
In above-mentioned diaphragm 20; Between above-mentioned valve plates V and above-mentioned the 3rd outer cover H3; Possess the E2 of inlet and the pump chamber E3 that constitute the E of inflow portion with above-mentioned inlet valve E1, and be arranged with the G2 of room of outlet and outlet G3 that constitutes the G of discharge portion with outlet valve G1.
It is central that the outlet valve G1 of the above-mentioned discharge G of portion is arranged in above-mentioned valve plates V; On above-mentioned valve plates V, around above-mentioned outlet valve G1, possess seal ring G1a, and on above-mentioned outer cover H2, the outstanding next door G2a that contacts the formation G2 of room of outlet with above-mentioned seal ring that forms.
On above-mentioned valve plates V; Be arranged at three inlet valve E1 corresponding to the equilateral triangle dot location that is the center with above-mentioned outlet valve G1, with between the next door G2a outside that is formed at above-mentioned the 3rd outer cover H3 and the above-mentioned valve plates V and the ameristic E2 of inlet be communicated with; And be formed at the pump chamber E3 between above-mentioned valve plates V and the above-mentioned diaphragm 20; Possess and be positioned at positive next door 23 (especially please refer to Fig. 4) of diaphragm 20 and the relevant position of above-mentioned valve plates V; And through with the slot segmentation V2 (please refer to Fig. 1 and Fig. 2) in above-mentioned next door 23, according to the quantity separated structures of each inlet valve E.
Above-mentioned pump chamber E3 is connected with the above-mentioned G2 of room of outlet through outlet G3.
As shown in Figure 2; Be formed at first and second flange 25A, the 25B in diaphragm of the present invention 20 outsides, match, front, the above-mentioned valve plates V outside with the outboard flanges V of above-mentioned valve plates V; Receive the pressure of the outside inner side surface of above-mentioned the 3rd outer cover H3; And the back outside of above-mentioned diaphragm 20 contacts and pressurized with the front, the outside of the above-mentioned second outer cover H2, thereby obtains the water tightness of the face that is in contact with one another.
Amplify shown in the circle " L1 " like the position, back of Fig. 2 and Fig. 4, the outside, back at above-mentioned diaphragm 20 forms airtight projection 29, thereby improves water tightness.
Like Fig. 2 to shown in Figure 5, in the guard ring 10 that constitutes diaphragm unit A of the present invention, at its sidewall 13, the central holding part 11 that formation can ccontaining [bearing C2+ eccentric bush C1 combination] (please refer to Fig. 1).
Especially; As shown in Figure 5; At above-mentioned sidewall 13, possess be formed with through cuts 13a obtain elasticity and bite (snapping) above-mentioned bearing C2 (please refer to Fig. 1) outer wall chock 15A (please refer to the part exploded chart of Fig. 5) along 15-15 ' line control framework 15.
The above-mentioned framework 15 of controlling forming three with the position of staggering for the connecting part 17 of above-mentioned relay part 40, and above-mentioned chock 15A comprises: rake 15a, the slip of guiding the above-mentioned eccentric bush combination C that the automatic assembling for above-mentioned chock 15A is pressed into; Mounting part 15b is with the edge, bearing C2 back of the eccentric bush combination C that is combined, in case anti-avulsion is from (please refer to the part exploded chart along 15-15 ' line of Fig. 5).
In addition; On above-mentioned guard ring 10; Form three connecting parts 17 that are mounted on above-mentioned sidewall 13 and have disc-shape; And each connecting part 17, with the axial enhancing bar 19A that is used to increase with the combination degree of above-mentioned sidewall 13, and for the crisscross enhancing bar 19B who is connected of above-mentioned connecting part and connecting part.
On above-mentioned connecting part 17, inboard at above-mentioned axial enhancing bar 19A, form weight reducing groove 18.
In addition, on above-mentioned connecting part 17, the screw hole 17C in the clamping section 17A that forms central authorities and inboard two the central position fixed hole 17B and the outside, and when the marriage relation relevant with relay part 40 will be described below, it is elaborated.
Then; On above-mentioned diaphragm 20; Formation possesses the shape that reams the equilateral triangle drift angle; And be formed on the next door 23 that the front combines aforesaid valve plates V and slot segmentation V2 with the tripod shape, thereby the airtight projection 29 of flange 25A, 25B and back through front, the outside guarantees to the retention force of the diaphragm 20 of oscillating motion and improves seal.
On above-mentioned diaphragm 20, in leg-of-mutton each adjacent position, summit, form three joining holes 21, and the front around above-mentioned joining hole 21 forms dimple (recess) 21A, thus a part that can ccontaining above-mentioned head piece 30,
And form annular offset 21B (circle " L1 " is amplified in the back that please refer to Fig. 3 and Fig. 4) in the back, thereby improve with the combination force of above-mentioned relay part 40 and guarantee that the central position combines simplicity.
In addition, in the front of above-mentioned diaphragm 20, the outside (and in the zone at above-mentioned dimple 21A) at above-mentioned joining hole 21 forms central position fixed projection 27.
Be incorporated into central position, the back fixed groove 37 (, having omitted said fixing projection and fixed groove in the schematic representation of Fig. 4) of above-mentioned head piece 30 than Fig. 2 and Fig. 3.
Then; The above-mentioned head piece 30 that constitutes with physically separated separate part mode, because of forming piston area 31 in its place ahead, will be with the oscillating motion of above-mentioned diaphragm 20; Open above-mentioned inlet valve E1; Thereby make fluid flow into pump chamber E3, and continue to discharge fluid (at this moment, closing above-mentioned valve E1) to the G2 of room of outlet through outlet G from the E2 of inlet.
The piston area 31 of above-mentioned head piece 30 for optimizing suction performance, possesses with the thin 31B of portion that arranges laterally with in the middle of centrally disposed thick 31B is arranged at the disclosed optimum shape that projects upwards.
Another side at above-mentioned piston area 31; Formation is inserted in the insertion projection 33 of the joining hole 21 of above-mentioned diaphragm; Especially its section is the insertion projection of hexagonal configuration; And the section of the front insertion groove 41 of corresponding with it above-mentioned relay part 40 also has hexagonal configuration, and as previously mentioned; Such purpose is to utilize instrument (drill bit) to tighten to be formed at above-mentioned head piece to insert joining hole 33A on the projection 33 when inserting the bolt B 1 of above-mentioned relay part joining hole 41A, guaranteeing the orientation of the piston area 31 of above-mentioned head piece 30.
The final purpose of the such insertion projection 33 and the shape of insertion groove 41; Be under the state that mutually combines, not obscure, and if the above-mentioned condition of extended description then is " be the characteristic of bonding position; the section of above-mentioned insertion projection and above-mentioned insertion groove, possess non-circular shape ".
In addition; Side in the insertion projection 33 of above-mentioned head piece 30; Formation articulates groove 33b (amplify in the circle " L2 " back that please refer to Fig. 4), and at the corresponding surface of above-mentioned relay part 40 insertion grooves 41, forms the concave groove 41B that combines with it; Thereby improve the orientation characteristic of above-mentioned head piece and consider the simple and convenient assembly property of above-mentioned characteristic; And this will play benefit effect mutually with the corresponding fixed groove 37 of the fixed projection 27 of above-mentioned diaphragm 20 fronts and above-mentioned head piece 30 back, thereby, will explain below if consider to have imported; Be the structure of the specific direction binding characteristic of relay part 40 and above-mentioned guard ring 10, the fixed projection of above-mentioned diaphragm front and the corresponding fixed groove of above-mentioned head piece are not necessarily.
In addition; Amplify shown in the circle " L1 " like the aft section of Fig. 4; Because of the section of above-mentioned diaphragm 20 joining holes 21 is a hexagonal configuration; Thereby corresponding above-mentioned head piece 30 inserts the shape of projection 33, and on one side of hexagon joining hole 21, forms the groove 21a that groove 33b combines that articulates with above-mentioned insertion projection 33.
Meanwhile, above-mentioned annular offset 21B also has the hexagon dress, and as shown in the figure, is inserted in the annular groove 43 of the relay part 40 of above-mentioned annular offset 21B, can have corresponding with it hexagonal configuration.
If the above can import the various combination of inner and outside parts suits into the piston area 31 orientation property characteristics of above-mentioned head piece 30 as required.
In addition, in above-mentioned head piece, because of the surface of contact at above-mentioned diaphragm 20, promptly the back especially forms airtight projection 35 with dual toroidal, improves water tightness.
Then, as stated, the front of above-mentioned relay part 40 to form concentrically ringed mode successively, forms the joining hole 41A corresponding to the joining hole 33A of above-mentioned head piece; Insertion groove 41 corresponding to the insertion projection 33 of above-mentioned head piece; The annular groove 43 that combines with the annular offset 21B of above-mentioned diaphragm 20 back; And the airtight projection 45 of dual circle that contacts with the back of above-mentioned diaphragm 20.
In a side of above-mentioned hexagonal insertion groove 41, form concave groove 41B.
In addition; In the back of above-mentioned relay part 40 (amplify in the circle " L3 " back that please refer to Fig. 4); Around above-mentioned joining hole 41A, form annular offset 41C is set; Thereby can the ccontaining connecting bolt that connects above-mentioned head piece and above-mentioned relay part across above-mentioned diaphragm; Especially under the prerequisite that the head process that makes countersunk screw (the counter sink head bolt) B1 that prevents that bolt head is outstanding as far as possible goes out, ccontaining according to the place ahead one side shape of above-mentioned bolt head, and above-mentioned annular is provided with the clamping section 17A that offset is placed in above-mentioned guard ring 10 connecting parts 17; Further prevent to produce the slit between above-mentioned guard ring and the above-mentioned relay part, increase the robustness of bonding state through above-mentioned bolt head.
In above-mentioned annular the outside of offset is set, forms three pairs of weight reducing grooves 48, and make two central position fixed projections 47 arranging to the inside, be inserted in two central position fixed hole 17B of above-mentioned guard ring 10 connecting parts 17.
In addition, possess the projection 49 of the flight 49A that is arranged in the outside, be incorporated into the groove 17C ' in the screw hole 17C outside that is formed on above-mentioned guard ring 10, and on above-mentioned guard ring, above-mentioned groove 17C opens to above-mentioned central clamping section 17A.
The screw hole 17C that is incorporated into above-mentioned guard ring 10 is connected the bolt of two parts with the flight 49A of above-mentioned relay part 40, be common flush bolt (pan head bolt) B2, and be provided with packing ring B2a.
As above tell; Diaphragm unit A of the present invention and guard ring 10 for this reason; Through being formed at the various combination of inner and outside key elements of each parts binding site, the dislocation when preventing to tight a bolt, especially; Guarantee the orientation characteristic of above-mentioned head piece 30 with benefit mode mutually, thereby guarantee the robustness of simple and convenient assembly property and bonding state.
In above explanation; Omitted the disclosed usually technology such as control of the moving of the oscillating motion about diaphragm pump, eccentric bush C1, diaphragm 20, the inlet valve E1 of the E of inflow portion and the outlet valve G1 of the G of discharge portion etc., thing followed fluid mobile route, the motor M relevant, but those skilled in the art should be able to infer and derive to it with pressure switch S.
The foregoing description is only unrestricted in order to explanation the present invention; Those of ordinary skill in the art is to be understood that; Can make amendment, be out of shape the present invention or be equal to replacement, and not break away from the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (11)
1. diaphragm unit that is used for pump comprises:
Guard ring comprises:
Holding part, ccontaining by the eccentric bush that possesses the axis hole that the power supply machine live axle combines and be incorporated into the eccentric bush combination that the bearing of above-mentioned eccentric bush outer circumferential face constitutes;
The connecting part, the outside forming above-mentioned holding part is radial arrangement;
Diaphragm possesses the joining hole corresponding to above-mentioned guard ring connecting part;
Head piece possesses piston area, and forms joining hole at the another side of the above-mentioned piston area that makes above-mentioned diaphragm contact, thereby above-mentioned diaphragm is fixed in the connecting part of above-mentioned guard ring; And
Relay part is arranged between above-mentioned guard ring and the above-mentioned diaphragm, respectively is incorporated into the connecting part of above-mentioned guard ring and the joining hole of head piece,
Each connecting part at above-mentioned guard ring has the central position fixed hole, and forms the fixed projection that is incorporated into the said fixing hole at above-mentioned relay part.
2. the diaphragm unit that is used for pump according to claim 1; It is characterized in that: on above-mentioned head piece, form the insertion projection of the joining hole that is inserted in above-mentioned diaphragm, and on above-mentioned relay part, form the insertion groove of the insertion projection combination that supplies above-mentioned head piece.
3. the diaphragm unit that is used for pump according to claim 2 is characterized in that: be the characteristic of bonding position, the section of above-mentioned insertion projection and above-mentioned insertion groove possesses non-circular shape.
4. according to any described diaphragm unit that is used for pump of claim 1 to 3, it is characterized in that: in the connecting part of above-mentioned guard ring, for the bolt head of each joining hole of being incorporated into above-mentioned relay part and above-mentioned head piece forms the clamping section.
5. according to any described diaphragm unit that is used for pump of claim 1 to 3; It is characterized in that: at above-mentioned relay part; Formation possesses the projection in order to the screw hole that combines with above-mentioned guard ring, and in the connecting part of above-mentioned guard ring, forms the groove of above-mentioned projection.
6. according to any described diaphragm unit that is used for pump of claim 1 to 3, it is characterized in that: above-mentioned relay part forms airtight projection at the surface of contact of above-mentioned diaphragm.
7. according to any described diaphragm unit that is used for pump of claim 1 to 3, it is characterized in that: on the above-mentioned head piece, form airtight projection at above-mentioned diaphragm surface of contact.
8. according to any described diaphragm unit that is used for pump of claim 1 to 3, it is characterized in that: at the sidewall of above-mentioned guard ring, possess be formed with through cuts obtain elasticity and bite above-mentioned bearing outer wall chock control framework.
9. eccentric bush combination guard ring comprises:
Central authorities' holding part, ccontaining by the eccentric bush that possesses the axis hole that the power supply machine live axle combines and be incorporated into the eccentric bush combination that the bearing of above-mentioned eccentric bush outer circumferential face constitutes; And
The connecting part at the face to diaphragm, forms hollow and reaches two central position fixed holes around above-mentioned hollow, and in the outside that forms above-mentioned holding part, be radial arrangement.
10. eccentric bush combination guard ring according to claim 9 is characterized in that: at above-mentioned sidewall, possess be formed with through cuts obtain elasticity and bite above-mentioned bearing outer wall chock control framework.
11. eccentric bush combination guard ring according to claim 10 is characterized in that: the above-mentioned framework of controlling forms three in the position of staggering with above-mentioned connecting part.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20070091056 | 2007-09-07 | ||
| KR10-2007-0091056 | 2007-09-07 | ||
| KR1020070093068A KR100807840B1 (en) | 2007-09-07 | 2007-09-13 | Diaphragm assembly for pump and eccentric bushing retainer for the same |
| KR10-2007-0093068 | 2007-09-13 | ||
| PCT/KR2008/004747 WO2009031768A1 (en) | 2007-09-07 | 2008-08-14 | Diaphragm assembly for pump and eccentric bushing retainer for the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101796298A CN101796298A (en) | 2010-08-04 |
| CN101796298B true CN101796298B (en) | 2012-05-30 |
Family
ID=39383489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801059166A Active CN101796298B (en) | 2007-09-07 | 2008-08-14 | Diaphragm assembly for pump and eccentric bushing retainer for the same |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100807840B1 (en) |
| CN (1) | CN101796298B (en) |
| WO (1) | WO2009031768A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101047582B1 (en) * | 2008-09-02 | 2011-07-08 | 대화기전 주식회사 | Diaphragm pump with improved sealing and hot water boiler with the same |
| TW201217677A (en) * | 2010-10-26 | 2012-05-01 | Chao-Fou Hsu | characterized bythe flow guiding column can absorb the high frequency non-continuously impacting momentum of pumped high pressurized water in different directions |
| TWI588366B (en) * | 2014-01-16 | 2017-06-21 | 徐兆火 | Vibration-reducing structure for compressing diaphragm pump |
| GB2527911B (en) * | 2014-05-20 | 2017-06-14 | Lin Cai Ying | Compressing diaphragm pump with vibration reducing and positioning structures |
| KR101607571B1 (en) * | 2015-07-08 | 2016-03-30 | (주)씨에스이 | Diaphragm pump assembly |
| KR101981246B1 (en) * | 2017-08-21 | 2019-08-28 | (주)씨에스이 | Diaphragm pump |
| KR102123442B1 (en) * | 2018-11-30 | 2020-06-16 | (주)씨에스이 | Diaphragm pump equipped with bldc motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4153391A (en) * | 1975-05-29 | 1979-05-08 | Carr-Griff, Inc. | Triple discharge pump |
| US4507058A (en) * | 1983-12-20 | 1985-03-26 | Carr-Griff, Inc. | Wobble plate pump and drive mechanism therefor |
| US4610605A (en) * | 1985-06-25 | 1986-09-09 | Product Research And Development | Triple discharge pump |
| CN1151483A (en) * | 1995-08-07 | 1997-06-11 | 阿夸特克水力系统公司 | Composite diaphragm for diaphragm pumps |
| CN2648105Y (en) * | 2002-09-06 | 2004-10-13 | 蔡应麟 | Disphragm pump for water purifier |
| DE202006020237U1 (en) * | 2006-10-25 | 2008-02-21 | Quattroflow Fluid Systems Gmbh & Co. Kg | diaphragm pump |
-
2007
- 2007-09-13 KR KR1020070093068A patent/KR100807840B1/en active IP Right Grant
-
2008
- 2008-08-14 WO PCT/KR2008/004747 patent/WO2009031768A1/en active Application Filing
- 2008-08-14 CN CN2008801059166A patent/CN101796298B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4153391A (en) * | 1975-05-29 | 1979-05-08 | Carr-Griff, Inc. | Triple discharge pump |
| US4507058A (en) * | 1983-12-20 | 1985-03-26 | Carr-Griff, Inc. | Wobble plate pump and drive mechanism therefor |
| US4610605A (en) * | 1985-06-25 | 1986-09-09 | Product Research And Development | Triple discharge pump |
| CN1151483A (en) * | 1995-08-07 | 1997-06-11 | 阿夸特克水力系统公司 | Composite diaphragm for diaphragm pumps |
| CN2648105Y (en) * | 2002-09-06 | 2004-10-13 | 蔡应麟 | Disphragm pump for water purifier |
| DE202006020237U1 (en) * | 2006-10-25 | 2008-02-21 | Quattroflow Fluid Systems Gmbh & Co. Kg | diaphragm pump |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009031768A1 (en) | 2009-03-12 |
| KR100807840B1 (en) | 2008-02-27 |
| CN101796298A (en) | 2010-08-04 |
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