CN204783705U - There is not magnetic force actuation of leakage self priming pump - Google Patents
There is not magnetic force actuation of leakage self priming pump Download PDFInfo
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- CN204783705U CN204783705U CN201520603194.4U CN201520603194U CN204783705U CN 204783705 U CN204783705 U CN 204783705U CN 201520603194 U CN201520603194 U CN 201520603194U CN 204783705 U CN204783705 U CN 204783705U
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Abstract
There is not magnetic force actuation of leakage self priming pump, including the pump body, connect at the protecgulum of the front end of the pump body, connect at back lid, the impeller of the rear end of the pump body and drive the rotatory pump shaft of impeller, the protecgulum is provided with the protecgulum sealing washer with the junction of the pump body, and the pump body comprises the room that absorbs water, stock solution room and gas -liquid separation chamber three, the rear end detachably of back lid is connected with the support, the rear end of pump shaft is stretched into in the inner chamber of support, just the rear end of pump shaft has connected firmly the rotor, be equipped with the magnetism shaft coupling that connects firmly with the motor output shaft in the inner chamber of support, be provided with between magnetism shaft coupling and the rotor and form the separation sleeve of keeping apart between the two. The utility model discloses a magnetic transmission seals the pumped (conveying) medium within the pump chamber completely, and sealing performance is better, and application scope is wider.
Description
Technical field
The utility model relates to a kind of pump, and specifically a kind of non-leakage magnetic drives self-priming pump.
Background technique
So-called self-priming pump is exactly do not need before activation to pour water, and through short-time running, effect by pump itself, water can be drunk up, drop into normal operation.Self-priming pump is a kind of gas-liquid mixed centrifugal self-priming pump, at ordinary times at a certain amount of water of pump housing internal memory (medium), due to the turning effort of impeller after pump startup, air and the water of suction line mix fully, and be discharged to air-water separation chamber, in air-water separation chamber, gas is upwards overflowed, water refluxes, return impeller by return port, again mix with the residual gas of suction line, until the gas in inlet pipeline is all drained, complete self-priming, and normal pumping.
The sealing means of existing self-priming pump is common mechanical seal form, there is leakage phenomenon, and for chemical industry, fed sheet of a media is all mordant, once leak, just pollutes the environment and causes the problem of personal security aspect.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of non-leakage magnetic and drives self-priming pump, and fed sheet of a media, by magnetic drives, is completely enclosed within pump chamber by this self-priming pump, and sealability is better, and Applicable scope is wider.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme: non-leakage magnetic drives self-priming pump, comprise the pump housing, be connected to the protecgulum of the front end of the pump housing, be connected to the bonnet of the rear end of the pump housing, the pump shaft that impeller and impeller rotate, the joint of protecgulum and the pump housing is provided with protecgulum seal ring, the pump housing is by suction chamber, liquid storage room and gas-liquid separation chamber three formed, the rear end of described bonnet is removably connected with support, the rear end of described pump shaft is stretched in the inner chamber of described support, and the rear end of described pump shaft is fixedly connected with rotor, the magnetic shaft coupling connected firmly with motor output shaft is provided with in the inner chamber of described support, the separation sleeve that can form isolation is between provided with between described magnetic shaft coupling and rotor.
Further, described separation sleeve is combined structure, comprises the fluoroplastics layer that is positioned at internal layer and is positioned at outer field enhancing carbon fiber strengthening sleeve, tight press fit between inside and outside layer, and a pressing plate is set, separation sleeve is pressed on bonnet by described pressing plate, and pressing plate is detachably being connected on bonnet.
Further, the edge of described separation sleeve and the connection, edge of pressing plate is stepped coordinates.
Further, be installed with a dividing plate in the pump housing, the bottom of described dividing plate and the outer wall of liquid storage room connect firmly, and its top extends to gas-liquid separation indoor.
Further, the water inlet and the front cover cavity joint that described protecgulum seal ring are positioned at suction chamber are provided with safety check.
Further, the overcurrent part of protecgulum, the pump housing, impeller, each parts of bonnet is all coated with fluoroplastics layer.
Further, described magnetic shaft coupling connects firmly in an interference fit on motor output shaft.
The beneficial effects of the utility model are: the utility model passes through magnetic drives, fed sheet of a media is completely enclosed within pump chamber, institute's fed sheet of a media passes through pressing plate press seal by separation sleeve, solve the problem of dielectric leakage, the strengthening sleeve of design and separation sleeve do not produce magnetic eddy current heat, can bear very large interior pressure simultaneously yet; The utility model adopts monolithic construction and protecgulum to be sealed by sealing gasket in addition, amount of parts is few, therefore sealability is better, reach the shortest self-priming time, improvement and the flow passage components of seal form are all coated with fluoroplastics layer, add the corrosion resistance of pump, make its application area wider.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the structural representation of the protecgulum seal ring in the utility model one embodiment.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the linkage structure schematic diagram of metallic matrix in the utility model one embodiment and fluoroplastics layer.
Being labeled as of each parts in accompanying drawing: 1 pump housing, 1-1 suction chamber, 1-2 liquid storage room, 1-3 gas-liquid separation chamber, 2 bonnets, 3 impellers, 4 pump shafts, 5 dividing plates, 6 return ports, 7 protecgulums, 8 protecgulum seal rings, 9 safety check, 11 separation sleeves, 12 strengthening sleeves, 13 pressing plates, 14 supports, 15 motors, 16 rotors, 17 magnetic shaft couplings.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
See Fig. 1, Fig. 2, Fig. 3 and Fig. 4.
The non-leakage magnetic of the utility model one embodiment drives self-priming pump, comprise the pump housing 1, be connected to the protecgulum 7 of the front end of the pump housing 1, be connected to the bonnet 2 of the rear end of the pump housing 1, the pump shaft 4 that impeller 3 and impeller 3 rotate, protecgulum 7 is provided with protecgulum seal ring 8 with the joint of the pump housing 1, the pump housing 1 is by suction chamber 1-1, liquid storage room 1-2 and gas-liquid separation chamber 1-3 three formed, this three part is the integral structure of global formation, therefore seal point greatly reduces, reduce the possibility that fed sheet of a media is revealed, the rear end of described bonnet 2 is removably connected with support 14, the rear end of described pump shaft 4 is stretched in the inner chamber of described support 14, and the rear end of described pump shaft 4 is fixedly connected with rotor 16, the magnetic shaft coupling 17 connected firmly with motor output shaft is provided with in the inner chamber of described support 14, the separation sleeve 11 that can form isolation is between provided with between described magnetic shaft coupling 17 and rotor 16.
The non-leakage magnetic of the present embodiment drives self-priming pump to adopt non-direct-coupled electrical machinery, utilize magnetic couple indirect drive, motor 15 is connected by the rear end of support 14 with bonnet 2, magnetic shaft joint 17 connects firmly in an interference fit on motor output shaft, when motor output shaft drives magnetic shaft coupling 17 to rotate, according to magnetic force principle, rotor 16 rotates, and then drive pump shaft 4 drives impeller 3 to rotate, when pump uses in chemical industry, that carries because of pump mostly is Korrosionsmedium, therefore it is necessary between the pump housing 1 and motor 15, forming isolating seal, shown in Fig. 1, the separation sleeve 11 that can form isolation is between provided with between magnetic shaft coupling 17 and rotor 16, when magnetic shaft coupling 8 rotates, generate heat for avoiding separation sleeve 11 cutting magnetic line, the separation sleeve 11 of the present embodiment adopts combined structure, the internal layer of separation sleeve 11 is fluoroplastics layer, skin is provided with and strengthens carbon fiber strengthening sleeve 12, tight press fit between fluoroplastics layer and strengthening sleeve 12, internal layer has very strong corrosion resistance, various Korrosionsmedium can be carried, therefore Applicable scope is very extensive, outer field strengthening sleeve 12 has very strong resistance to pressure, the effect of intensity protection can be played to internal layer, in, outer all electrical insulators, therefore can not between rotor 16 and magnetic shaft coupling 17 cutting magnetic line, also magnetic eddy current heat would not be produced, and a stainless steel platen 13 is set, by pressing plate 13, separation sleeve is pressed on bonnet 2, pressing plate 13 is fastened by bolts on bonnet 2.
During concrete enforcement, with the connection, edge of pressing plate 13 stepped cooperation, the edge of described separation sleeve 11 both can ensure that separation sleeve 11 can closely be pressed on bonnet 2 by pressing plate 13, also can ensure the leakproofness sealed, prevent fed sheet of a media seepage.
In the present embodiment, a dividing plate 5 is installed with in the pump housing 1, the bottom of dividing plate and the outer wall of liquid storage room 1-2 connect firmly, its top extends in gas-liquid separation chamber 1-3, dispensing parts is divided into two by dividing plate, pump is when starting working, impeller 3 rotates, gas-liquid mixture is discharged to gas-liquid separation chamber, air-water separation, gas is overflowed from pump discharge pipeline, the runner backflow liquid storage room of liquid on the left of dividing plate 5, then impeller outer edge is arrived by return port 6, carry out mixing wastewater with air again, continuous circulation, gas in suction line is drained, thus make pump enter normal working quickly.
In the present embodiment; water inlet and front cover cavity joint that protecgulum seal ring 8 is positioned at suction chamber are provided with safety check 9; when pump is shut down, in the pump housing, pressure medium directly closes safety check, make pump in-vivo medium can not because of shutdown time; the reaction force that medium is huge and cause medium back flow; affect the secondary self-priming of this pump, like this when pump secondary self-priming, in the pump housing, have sufficient medium; can moment fluid, energy saving.
In the present embodiment, each parts such as protecgulum 7, the pump housing 1, impeller 3, pump housing bonnet 2 all adopt metallic matrix to make, for expanding the application area of pump, strengthen its corrosion resistance, fluoroplastics layer 10 is all coated with in the overcurrent part of former components, for improving metallic matrix and the tightness be connected between fluoroplastics layer, fluoroplastics layer is made to be unlikely to come off from metallic matrix, metallic matrix have with the equal car in fluoroplastic junction dovetail groove and offers reinforced hole, therefore greatly strengthening the tightness be connected between metallic matrix with fluoroplastic.
Be to be understood that example as herein described and mode of execution only in order to illustrate, those skilled in the art can make various amendment or change according to it, when not departing from the utility model Spirit Essence, all belong to protection domain of the present utility model.
Claims (7)
1. non-leakage magnetic drives self-priming pump, comprise the pump housing (1), be connected to the protecgulum (7) of the front end of the pump housing (1), be connected to the bonnet (2) of the rear end of the pump housing (1), the pump shaft (4) that impeller (3) and impeller (3) rotate, protecgulum (7) is provided with protecgulum seal ring (8) with the joint of the pump housing (1), the pump housing (1) is by suction chamber (1-1), liquid storage room (1-2) and gas-liquid separation chamber (1-3) three formed, it is characterized in that: the rear end of described bonnet (2) is removably connected with support (14), the rear end of described pump shaft (4) is stretched in the inner chamber of described support (14), and the rear end of described pump shaft (4) is fixedly connected with rotor (16), the magnetic shaft coupling (17) connected firmly with motor output shaft is provided with in the inner chamber of described support (14), the separation sleeve (11) that can form isolation is between provided with between described magnetic shaft coupling (17) and rotor (16).
2. non-leakage magnetic as claimed in claim 1 drives self-priming pump, it is characterized in that: described separation sleeve (11) is combined structure, comprise the fluoroplastics layer that is positioned at internal layer and be positioned at outer field enhancing carbon fiber strengthening sleeve (12), tight press fit between inside and outside layer, and a pressing plate (13) is set, separation sleeve (11) is pressed on bonnet (2) by described pressing plate (13), and pressing plate (13) is detachably being connected on bonnet (2).
3. non-leakage magnetic as claimed in claim 2 drives self-priming pump, it is characterized in that: the edge of described separation sleeve (11) coordinates with the connection, edge of pressing plate (13) is stepped.
4. non-leakage magnetic as claimed in claim 1 or 2 drives self-priming pump, it is characterized in that: in the pump housing (1), be installed with a dividing plate (5), the bottom of described dividing plate (5) and the outer wall of liquid storage room (1-2) connect firmly, and its top extends in gas-liquid separation chamber (1-3).
5. non-leakage magnetic as claimed in claim 1 or 2 drives self-priming pump, it is characterized in that: on described protecgulum seal ring (8), be positioned at suction chamber (1-1) water inlet and protecgulum (7) inner chamber joint are provided with safety check (9).
6. non-leakage magnetic as claimed in claim 1 or 2 drives self-priming pump, it is characterized in that: the overcurrent part of protecgulum (7), the pump housing (1), impeller (3), bonnet (2) each parts is all coated with fluoroplastics layer.
7. non-leakage magnetic as claimed in claim 1 or 2 drives self-priming pump, it is characterized in that: described magnetic shaft coupling (17) connects firmly in an interference fit on motor output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520603194.4U CN204783705U (en) | 2015-08-06 | 2015-08-06 | There is not magnetic force actuation of leakage self priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520603194.4U CN204783705U (en) | 2015-08-06 | 2015-08-06 | There is not magnetic force actuation of leakage self priming pump |
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| Publication Number | Publication Date |
|---|---|
| CN204783705U true CN204783705U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520603194.4U Active CN204783705U (en) | 2015-08-06 | 2015-08-06 | There is not magnetic force actuation of leakage self priming pump |
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| CN (1) | CN204783705U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812719A (en) * | 2016-11-15 | 2017-06-09 | 浙江永杰石化设备有限公司 | A kind of sprinkling truck water pump |
| CN107575399A (en) * | 2017-10-20 | 2018-01-12 | 项达章 | A kind of horizontal linked self priming pump |
| CN108488076A (en) * | 2018-04-10 | 2018-09-04 | 浙江永发机电有限公司 | Centrifugal pump and permanent magnet synchronous motor corollary apparatus and its monitoring regulation and control method |
| CN111255700A (en) * | 2020-03-18 | 2020-06-09 | 日益电机股份有限公司 | Canned magnetic pump with rear cover shield for preventing leakage |
| CN111648970A (en) * | 2020-06-12 | 2020-09-11 | 任丘市本溪石油设备有限公司 | Spiral combined type oil-gas multiphase pump |
| CN113530785A (en) * | 2020-04-13 | 2021-10-22 | 日益电机股份有限公司 | Canned magnetic pump with leakage detection function |
| CN113775560A (en) * | 2021-09-15 | 2021-12-10 | 浙江理工大学 | Sealing structure of turbopump of rocket engine |
| CN114922820A (en) * | 2022-04-18 | 2022-08-19 | 安徽南方化工泵业有限公司 | Fluorine-lined magnetic pump with particle filtering structure |
-
2015
- 2015-08-06 CN CN201520603194.4U patent/CN204783705U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812719A (en) * | 2016-11-15 | 2017-06-09 | 浙江永杰石化设备有限公司 | A kind of sprinkling truck water pump |
| CN107575399A (en) * | 2017-10-20 | 2018-01-12 | 项达章 | A kind of horizontal linked self priming pump |
| CN108488076A (en) * | 2018-04-10 | 2018-09-04 | 浙江永发机电有限公司 | Centrifugal pump and permanent magnet synchronous motor corollary apparatus and its monitoring regulation and control method |
| CN108488076B (en) * | 2018-04-10 | 2024-04-05 | 浙江永发机电有限公司 | Centrifugal pump and permanent magnet synchronous motor matching device and monitoring and regulating method thereof |
| CN111255700A (en) * | 2020-03-18 | 2020-06-09 | 日益电机股份有限公司 | Canned magnetic pump with rear cover shield for preventing leakage |
| CN113530785A (en) * | 2020-04-13 | 2021-10-22 | 日益电机股份有限公司 | Canned magnetic pump with leakage detection function |
| CN111648970A (en) * | 2020-06-12 | 2020-09-11 | 任丘市本溪石油设备有限公司 | Spiral combined type oil-gas multiphase pump |
| CN113775560A (en) * | 2021-09-15 | 2021-12-10 | 浙江理工大学 | Sealing structure of turbopump of rocket engine |
| CN113775560B (en) * | 2021-09-15 | 2023-12-19 | 浙江理工大学 | Sealing structure of rocket engine turbine pump |
| CN114922820A (en) * | 2022-04-18 | 2022-08-19 | 安徽南方化工泵业有限公司 | Fluorine-lined magnetic pump with particle filtering structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |