CN203962381U - A kind of gear pump - Google Patents
A kind of gear pump Download PDFInfo
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- CN203962381U CN203962381U CN201420376127.9U CN201420376127U CN203962381U CN 203962381 U CN203962381 U CN 203962381U CN 201420376127 U CN201420376127 U CN 201420376127U CN 203962381 U CN203962381 U CN 203962381U
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- gear
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- machine
- main shaft
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- 238000013461 design Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 238000010168 coupling process Methods 0.000 claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 239000000806 elastomer Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims abstract description 5
- 239000003513 alkali Substances 0.000 claims abstract description 5
- 230000007797 corrosion Effects 0.000 claims abstract description 5
- 238000005260 corrosion Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 17
- 239000002775 capsule Substances 0.000 claims description 16
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- 238000003032 molecular docking Methods 0.000 claims description 4
- 229910000856 hastalloy Inorganic materials 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000005495 investment casting Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 7
- 231100000614 poison Toxicity 0.000 abstract description 7
- 230000007096 poisonous effect Effects 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 6
- 238000002425 crystallisation Methods 0.000 abstract description 5
- 230000008025 crystallization Effects 0.000 abstract description 5
- 241000208125 Nicotiana Species 0.000 abstract description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 abstract description 2
- 235000013361 beverage Nutrition 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000002360 explosive Substances 0.000 abstract description 2
- 235000013305 food Nutrition 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 229920013632 Ryton Polymers 0.000 description 2
- 239000004736 Ryton® Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Rotary Pumps (AREA)
Abstract
<b/><b/GreatT.Gr eaT.GT the utility model relates to pump technical field, be particularly related to a kind of various chemical mediators or oil or water or poisonous and harmful or inflammable and explosive liquid carried, there is corrosion-resistant, acid resistant alkali, high temperature resistant, high pressure resistant, anti abrasive a kind of gear pump.The gear pump that the utility model provides: by innovative design structure and raising processing technology and reasonable selection metal and nonmetal combined material, solve the deficiency of current technology, thereby guarantee that pump can meet the operating mode of High Temperature High Pressure and various viscosity, the volatile perishable easy crystallization of poisonous and harmful and various harsher chemical mediator are carried efficiently; And design adopts two flange elastomers to connect the driving of pump and motor from the coupling of centering structure, really ensure connecting from centering of Pump and Electromotor, eliminate and misaligned the radial load causing, solve by artificially adjusting and trouble not up to standard, met the extensive use of all trades and professions such as tobacco, oil, chemical industry, papermaking, food, beverage, pharmacy and laboratory.
Description
Technical field
The utility model relates to pump technical field, and particularly a kind of various chemical mediators or oil or water or poisonous and harmful or inflammable and explosive liquid carried has corrosion-resistant, acid resistant alkali, high temperature resistant, high pressure resistant, anti abrasive a kind of gear pump.
Background technique
Current gear pump is mostly gear oil pump, only carry reluctantly the liquid of the oils band selflubricating of low-pressure low-temperature (as 70 DEG C of left and right), be just difficult to normally carry for the medium of high pressure-temperature and high viscosity (as 5000cP) or utmost point low viscosity (as 0.3cP); In addition due to the simple of current design and processing and can not select appropriate combined material, for the volatile perishable easy crystallization of poisonous and harmful and various harsher chemical mediator, substantially cannot correctly effectively carry; On the other hand, because design processing and material etc. are all many-sided not enough, its using scope is limited to very much, its service precision, metering level, cycle efficiency, transmission performance, installation and maintenance are all difficult to meet the requirement of current productive life, the wearing and tearing of pump and gear are very severe, and maintenance difficulty is large, and user cost is high, the efficiency of pump is low, thereby pump is very short working life.
Current gear pump is pump to be connected with motor by major axis mode with easy machenical coupling mostly, the mechanical energy of motor being exported by gear is converted to hydraulic energy, but this easy connection will cause the centering of gear pump and motor shaft to ensure, thereby cause pump shaft and machine to be sealed up can being subject to unbalanced pressure, cause radial load larger, limit the raising of its pressure, therefore cause working pressure lower, easily leak, liquid stream is not steady, pulse larger, make interface or pipeline etc. can produce vibrations, noise is large especially, equipment is easy to damage, directly have influence on the normal service life of pump, the particularly medium of the volatile perishable easy crystallization of poisonous and harmful, will cause the destruction to environment, waste resource, more serious meeting causes personnel's injury, thereby can not get extensively effectively using.
Model utility content
In order to overcome the deficiency of current technology, the utility model relates to a kind of gear pump, by innovative design structure and raising processing technology and reasonable selection metal and nonmetal combined material, and adopting two flange elastomers to connect the driving of pump and motor from the coupling of centering structure, the technical solution of the utility model is as follows.
A kind of gear pump, it is characterized in that: pump main body (1) (2) (3) is formed by connecting by pump fore shell (1), mesochite (2) and back cover (3) and four bolts for locating stud (14a), nut (14b) and pad (14c), pump main body is connected with bolt (16a), nut (16b) and pad (16c) for pump-foot (20) and a kind of pump of forming, and pump main body adopts the high-quality alloy materials such as 316SS stainless steel, Hastelloy or titanium alloy to carry out precision casting and fine finishing manufacture forms; Wherein, the both sides of mesochite (2) are provided with sealing O type circle (10), load onto respectively master gear (6) and from intermeshing the forming of gear (7) by main shaft (4) with from axle (5) in the pump housing, described pump and liquid contacting part position all adopt 316SS stainless steel or high-quality alloy material, and form with various corrosion-resistant, acid resistant alkali, wear-resistant, high temperature resistant, high voltage bearing nonmetallic material organic assembling.
Master gear (6) and form two pairs of assemblying bodys intermeshing by main shaft (4) and the main wheel key (11a) from axle (5) and trailing wheel key (11b) and jump ring (12) respectively from gear (7); Wearing plate (9) is equipped with in the both sides of principal and subordinate's gear, axle sleeve (8a) and (8b) be contained on principal and subordinate's axle (4) and (5), and pack in the axle sleeve hole of fore shell (1) and back cover (3) and block with pin, plug (13) is housed on pump fore shell (1); Pump main shaft (4) with from axle (5) be parallel installation, master gear (6) and be perpendicular to principal and subordinate's axle and intermeshing installation from gear (7), pump is imported and exported and is positioned at pump head dual-side, all there is interchangeability, can be clockwise or counterclockwise, change and import and export the flow direction, as long as exchange the wiring of motor, can horizontal or vertically install.
Main shaft (4) and from axle (5) and master gear (6) be provided with multiple different size specifications from gear (7), wearing plate (9), axle sleeve (8a) and (8b) be provided with multiple different size specifications, pump fore shell (1), mesochite (2) and back cover (3) etc. all can be provided with multiple different size specifications, for meeting the needs of various operating modes, can the synthetic multiple specification series of organic matched group between them.
Machine capsule (36) is connected by bolt (15a) and pad (15b) with pump fore shell (1), and sealing O type circle is housed between machine capsule (36) and pump fore shell (1).
Main shaft (4) in pump-foot (20) is fitting machine envelope rotating ring (31) in machine capsule (36) above, and be provided with dismountable plug screw (34), machine envelope stationary ring (32) is pressed on machine envelope rotating ring, machine gasket (33) is equipped with in machine envelope stationary ring both sides, on machine capping plate (35) Gai Ji envelope stationary ring (32), and be connected with machine capsule with nut with bolt, the kind of the mechanical seal that design adopts has: mechanical seal in single, double mechanical seal, single outer mechanical seal, packing seal, lip seal etc., wherein single interior mechanical seal and double mechanical seal are relatively commonly used, there is good seal performance, cost performance high.
The same motor of pump-foot (20) (41) is connected with pad by bolt, pump main shaft (4) is to adopt two flange elastomers to dock and form from the coupling (37) of centering structure with motor shaft, can design the moment of torsion varying in size is provided, moment of torsion can reach 1～75Nm, there is High Temperature High Pressure and high moment of torsion feature, operate steadily, noise is little, life-span is long, met on-the-spot installation situation and application demand widely, coupling (37) is furnished with the multiple attachment hole varying in size and is combined into multiple specification series with various motors or organic docking of link.
As shown from the above technical solution, the advantage of gear pump of the present utility model is obvious: by innovative design structure and raising processing technology and reasonable selection metal and nonmetal combined material, different qualities in pump inside with contact liq, can match effective combination of the most rational metal and the collocation of nonmetal multiple material, comprise 316SS stainless steel, the high quality such as Ha Shi or titanium alloy metallic material, and the nonmetallic material such as PEEK or Teflon or C60 or SiC or Ryton, thereby guarantee that pump can meet the operating mode of High Temperature High Pressure and various viscosity, be suitable for viscosity 0.3～100000cPS, temperature-40 DEG C～300 DEG C, repeatability ± 0.5%, the volatile perishable easy crystallization of poisonous and harmful and various harsher chemical mediator are carried efficiently, improve greatly its service precision, metering level, cycle efficiency, transmission performance, the aspects such as installation and maintenance have all obtained goodish advantage, thereby make this gear pump obtain promotion and application widely, meet vast application demand.
Compare with current technology, the effect of gear pump of the present utility model is remarkable: adopt two flange elastomers to connect the driving of pump and motor from the coupling of centering structure, moment of torsion reaches 1～75Nm, ensure absolute the connecting from centering of Pump and Electromotor, eliminate and misaligned the radial load causing, reduced by artificially adjusting and trouble not up to standard; Is furnished with multiple mechanical seal, comprise single interior mechanical seal, double mechanical seal, single outer mechanical seal, packing seal, lip seal etc., there is good seal performance, cost performance high, meet on-the-spot installation and application demand widely, thereby ensure noise and the little feature of vibrations in pump transmission, met many-sided application requirements such as conveying, metering, circulation, sampling and packing of tobacco, oil, chemical industry, municipal administration, pharmacy, food, beverage, papermaking, cosmetics, metallurgy, laboratory, chemical product etc.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Appointment Fig. 1 is Figure of abstract, wherein: fore shell (1), mesochite (2), back cover (3), main shaft (4), from axle (5), master gear (6), from gear (7), axle sleeve (8a) and (8b), wearing plate (9), O type circle (10), main wheel key (11a), trailing wheel key (11b), jump ring (12), plug (13), bolt (14a), nut (14b), pad (14c), bolt (15a), pad (15b), bolt (16a), nut (16b), pad (16c), base (20), machine envelope rotating ring (31), machine envelope stationary ring (32), machine gasket (33), plug screw (34), machine capping plate (35), machine capsule (36), coupling (37), motor (41).
Fig. 2 is and the similar structural representation of structural representation Fig. 1 of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment; technological scheme to the utility model embodiment is further described explanation; obviously; described embodiment is only part embodiment of the present utility model; instead of whole embodiment; based on embodiment of the present utility model, those skilled in that art are only all other embodiments that obtain under simple prerequisite of replacing or change not making special creative work, within all belonging to protection domain of the present utility model.
The utility model embodiment relates to a kind of gear pump, Fig. 1 is by innovative design structure and improve processing technology and reasonable selection metal and nonmetal combined material: can match effective combination of the most rational metal and the collocation of nonmetal multiple material, comprise 316SS stainless steel, the high-quality metallic material such as Ha Shi or titanium alloy, and the nonmetallic material such as PEEK or Teflon or C60 or SiC or Ryton, thereby guarantee that pump can meet the operating mode of High Temperature High Pressure and various viscosity, be suitable for viscosity 0.3～100000cPS, temperature-40 DEG C～300 DEG C, repeatability ± 0.5%, the volatile perishable easy crystallization of poisonous and harmful and various harsher chemical mediator are carried efficiently, in addition, improve greatly the aspects such as its service precision, metering level, cycle efficiency, transmission performance, installation and maintenance and all obtained goodish advantage, thereby make pump obtain promotion and application widely, met vast application demand, embodiment is as follows.
A kind of gear pump, it is characterized in that: pump main body (1) (2) (3) is formed by connecting by pump fore shell (1), mesochite (2) and back cover (3) and four bolts for locating stud (14a), nut (14b) and pad (14c), pump main body is connected with bolt (16a), nut (16b) and pad (16c) for pump-foot (20) and a kind of pump of forming, and pump main body adopts the high-quality alloy materials such as 316SS stainless steel, Hastelloy or titanium alloy to carry out precision casting and fine finishing manufacture forms; Wherein, the both sides of mesochite (2) are provided with sealing O type circle (10), load onto respectively master gear (6) and from intermeshing the forming of gear (7) by main shaft (4) with from axle (5) in the pump housing, described pump and liquid contacting part position all adopt 316SS stainless steel or high-quality alloy material, and form with various corrosion-resistant, acid resistant alkali, wear-resistant, high temperature resistant, high voltage bearing nonmetallic material organic assembling.
Master gear (6) and form two pairs of assemblying bodys intermeshing by main shaft (4) and the main wheel key (11a) from axle (5) and trailing wheel key (11b) and jump ring (12) respectively from gear (7); Wearing plate (9) is equipped with in the both sides of principal and subordinate's gear, axle sleeve (8a) and (8b) be contained on principal and subordinate's axle (4) and (5), and pack in the axle sleeve hole of fore shell (1) and back cover (3) and block with pin, plug (13) is housed on pump fore shell (1); Pump main shaft (4) with from axle (5) be parallel installation, master gear (6) and be perpendicular to principal and subordinate's axle and intermeshing installation from gear (7), pump is imported and exported and is positioned at pump head dual-side, all there is interchangeability, can be clockwise or counterclockwise, change and import and export the flow direction, as long as exchange the wiring of motor, can horizontal or vertically install.
Main shaft (4) and from axle (5) and master gear (6) be provided with multiple different size specifications from gear (7), wearing plate (9), axle sleeve (8a) and (8b) be provided with multiple different size specifications, pump fore shell (1), mesochite (2) and back cover (3) etc. all can be provided with multiple different size specifications, for meeting the needs of various operating modes, can the synthetic multiple specification series of organic matched group between them.
The utility model embodiment relates to a kind of gear pump, Fig. 1 adopts two flange elastomers to connect the driving of pump and motor from the coupling of centering structure: moment of torsion reaches 1～75Nm, ensure absolute the connecting from centering of Pump and Electromotor, eliminate and misaligned the radial load causing, reduce by artificially adjusting and trouble not up to standard, is furnished with multiple mechanical seal, comprise single interior mechanical seal, double mechanical seal, single outer mechanical seal, packing seal, lip seal etc., on-the-spot installation situation and application demand are widely met, thereby noise and the little feature of vibrations in pump transmission are ensured, meet many-sided application requirements such as petrochemical industry and testing apparatus, embodiment is as follows.
Machine capsule (36) is connected by bolt (15a) and pad (15b) with pump fore shell (1), and sealing O type circle is housed between machine capsule (36) and pump fore shell (1).
Main shaft (4) in pump-foot (20) is fitting machine envelope rotating ring (31) in machine capsule (36) above, and be provided with dismountable plug screw (34), machine envelope stationary ring (32) is pressed on machine envelope rotating ring, machine gasket (33) is equipped with in machine envelope stationary ring both sides, on machine capping plate (35) Gai Ji envelope stationary ring (32), and be connected with machine capsule with nut with bolt, the kind of the mechanical seal that design adopts has: mechanical seal in single, double mechanical seal, single outer mechanical seal, packing seal, lip seal etc., wherein single interior mechanical seal and double mechanical seal are relatively commonly used, there is good seal performance, cost performance high.
The same motor of pump-foot (20) (41) is connected with pad by bolt, pump main shaft (4) is to adopt two flange elastomers to dock and form from the coupling (37) of centering structure with motor shaft, can design the moment of torsion varying in size is provided, moment of torsion can reach 1～75Nm, there is High Temperature High Pressure and high moment of torsion feature, operate steadily, noise is little, life-span is long, met on-the-spot installation situation and application demand widely, coupling (37) is furnished with the multiple attachment hole varying in size and is combined into multiple specification series with various motors or organic docking of link.
In the gear pump relating in above-described embodiment, also comprise Fig. 2: similar with structural principle and the material type selecting of Fig. 1, to use widely needs in order meeting, can to design the mode that adopts major axis connecting band floor installation plate and coupler protective casing, embodiment is as follows.
Pump main body (1) (2) (3) is by pump fore shell (1), mesochite (2) and back cover (3) and bolt (14a) for locating stud, nut (14b) and pad (14c) are formed by connecting, sealing O type circle (10) is equipped with in the both sides of mesochite (2), main shaft (4) and load onto respectively master gear (6) and from intermeshing the forming of gear (7) from axle (5), master gear (6) and form two pairs of assemblying bodys intermeshing by main shaft (4) and the main wheel key (11a) from axle (5) and trailing wheel key (11b) and jump ring (12) respectively from gear (7), wearing plate (9) is equipped with in principal and subordinate's gear both sides, axle sleeve (8a) and (8b) be contained on principal and subordinate's axle (4) and (5), axle sleeve packs in the axle sleeve hole of fore shell (1) and back cover (3) and blocks with pin, and plug (13) is housed on fore shell (1), main shaft (4) with from axle (5) be parallel installation, master gear (6) and be perpendicular to principal and subordinate's axle and intermeshing installation from gear (7), pump is imported and exported and is positioned at pump head dual-side, all have interchangeability, machine capsule (36) couples together with fore shell (1), main shaft (4) is fitting machine envelope rotating ring (31) in machine capsule (36) above, and be provided with dismountable plug screw (34), machine envelope stationary ring (32) is pressed on rotating ring, machine gasket (33) is equipped with in stationary ring both sides, on machine capping plate (35) Gai Ji envelope stationary ring (32), and be connected with machine capsule with nut with bolt, in practical application, the pump housing and motor (41) also can be fixed on band floor installation plate, adopt major axis to connect and use two flange elastomers to form from coupling (37) docking of centering structure, can join coupler protective casing, the kind of mechanical seal has: mechanical seal in single, double mechanical seal, single outer mechanical seal, packing seal, lip seal etc., there is good seal performance, cost performance high.
About above-described embodiment Fig. 1, the explanation of Fig. 2, can make professional and technical personnel in the field can realize or use this patent, various amendments to these embodiments or adjustment are visible to professional and technical personnel in related domain, the defined General Principle of the utility model and structure and selection can be in the situation that not departing from spirit or scope of the present utility model, also can realize in other embodiments, therefore, the utility model will can not be restricted to these embodiments as herein described, but to meet the principle related with this paper and structure and feature the widest consistent scope.
Claims (6)
1. a gear pump, it is characterized in that: pump main body is formed by connecting by pump fore shell (1), mesochite (2) and back cover (3) and four bolts for locating stud (14a), nut (14b) and pad (14c), pump main body is connected with bolt (16a), nut (16b) and pad (16c) for pump-foot (20) and a kind of pump of forming, and pump main body adopts 316SS stainless steel, Hastelloy or the high-quality alloy material of titanium alloy carries out precision casting and fine finishing manufacture forms; Wherein, the both sides of mesochite (2) are provided with sealing O type circle (10), load onto respectively master gear (6) and from intermeshing the forming of gear (7) by main shaft (4) with from axle (5) in the pump housing, described pump and liquid contacting part position all adopt 316SS stainless steel or high-quality alloy material, and form with various corrosion-resistant, acid resistant alkali, wear-resistant, high temperature resistant, high voltage bearing nonmetallic material organic assembling.
2. pump according to claim 1, is characterized in that: master gear (6) and form two pairs of assemblying bodys intermeshing by main shaft (4) and the main wheel key (11a) from axle (5) and trailing wheel key (11b) and jump ring (12) respectively from gear (7); Wearing plate (9) is equipped with in the both sides of principal and subordinate's gear, the first axle sleeve (8a) and the second axle sleeve (8b) are contained in main shaft (4) and from axle (5), and pack in the axle sleeve hole of fore shell (1) and back cover (3) and block with pin, plug (13) is housed on pump fore shell (1); Pump main shaft (4) with from axle (5) be parallel installation, master gear (6) and be perpendicular to principal and subordinate's axle and intermeshing installation from gear (7), pump is imported and exported and is positioned at pump head dual-side, all there is interchangeability, can be clockwise or counterclockwise, change and import and export the flow direction, as long as exchange the wiring of motor, can horizontal or vertically install.
3. pump according to claim 1 and 2, it is characterized in that: main shaft (4) and from axle (5) and master gear (6) be provided with multiple different size specifications from gear (7), wearing plate (9), the first axle sleeve (8a) and the second axle sleeve (8b) are provided with multiple different size specifications, pump fore shell (1), mesochite (2) and back cover (3) are all provided with multiple different size specifications, for meeting the needs of various operating modes, can the synthetic multiple specification series of organic matched group between them.
4. pump according to claim 1 and 2, it is characterized in that: machine capsule (36) is connected by bolt (15a) and pad (15b) with pump fore shell (1), sealing O type circle is housed between machine capsule (36) and pump fore shell (1).
5. pump according to claim 1 and 2, it is characterized in that: the main shaft (4) in pump-foot (20) is fitting machine envelope rotating ring (31) in machine capsule (36) above, and be provided with dismountable plug screw (34), machine envelope stationary ring (32) is pressed on machine envelope rotating ring, machine gasket (33) is equipped with in machine envelope stationary ring both sides, on machine capping plate (35) Gai Ji envelope stationary ring (32), and be connected with machine capsule with nut with bolt, the kind of the mechanical seal that design adopts has: mechanical seal in single, double mechanical seal, single outer mechanical seal, packing seal, lip seal.
6. pump according to claim 1 and 2, it is characterized in that: the same motor of pump-foot (20) (41) is connected with pad by bolt, pump main shaft (4) is to adopt two flange elastomers to dock and form from the coupling (37) of centering structure with motor shaft, design provides the moment of torsion varying in size, moment of torsion can reach 1～75Nm, and coupling (37) is furnished with the multiple attachment hole varying in size and is combined into multiple specification series with various motors or organic docking of link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420376127.9U CN203962381U (en) | 2014-07-09 | 2014-07-09 | A kind of gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420376127.9U CN203962381U (en) | 2014-07-09 | 2014-07-09 | A kind of gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962381U true CN203962381U (en) | 2014-11-26 |
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ID=51922975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420376127.9U Expired - Lifetime CN203962381U (en) | 2014-07-09 | 2014-07-09 | A kind of gear pump |
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| Country | Link |
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| CN (1) | CN203962381U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214086A (en) * | 2014-07-09 | 2014-12-17 | 何祥军 | Novel gear pump |
| CN104564656A (en) * | 2015-01-29 | 2015-04-29 | 何祥军 | Novel rotor gear pump |
| CN106640637A (en) * | 2016-12-29 | 2017-05-10 | 宁波方太厨具有限公司 | Two-way pump and steaming-cooking equipment water circuit structure applying two-way pump |
| CN111255685A (en) * | 2020-02-10 | 2020-06-09 | 嘉兴学院 | Sliding vane type air compressor |
-
2014
- 2014-07-09 CN CN201420376127.9U patent/CN203962381U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214086A (en) * | 2014-07-09 | 2014-12-17 | 何祥军 | Novel gear pump |
| CN104214086B (en) * | 2014-07-09 | 2016-08-31 | 何祥军 | A kind of gear pump |
| CN104564656A (en) * | 2015-01-29 | 2015-04-29 | 何祥军 | Novel rotor gear pump |
| CN106640637A (en) * | 2016-12-29 | 2017-05-10 | 宁波方太厨具有限公司 | Two-way pump and steaming-cooking equipment water circuit structure applying two-way pump |
| CN111255685A (en) * | 2020-02-10 | 2020-06-09 | 嘉兴学院 | Sliding vane type air compressor |
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Granted publication date: 20141126 |