CN202991467U - Double-flange-spoke spring gear pump - Google Patents
Double-flange-spoke spring gear pump Download PDFInfo
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- CN202991467U CN202991467U CN 201220684836 CN201220684836U CN202991467U CN 202991467 U CN202991467 U CN 202991467U CN 201220684836 CN201220684836 CN 201220684836 CN 201220684836 U CN201220684836 U CN 201220684836U CN 202991467 U CN202991467 U CN 202991467U
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Abstract
The utility model relates to a double-flange-spoke spring gear pump. A three-axis oil pump is externally connected with a right inlet pipeline, a left inlet pipeline, a right outlet pipeline and a second oil outlet pipeline; as an improvement: the right inlet pipeline and the left inlet pipeline are converged into an oil inlet header pipe with an inlet pipe flange; the right outlet pipeline and the second oil outlet pipeline are converged into an oil outlet header pipe with an outlet pipe flange; the three-axis oil pump comprises a driving shaft, a right driven shaft, a left driven shaft, a main gear, a right driven gear, a left driven gear, a front outer end cover, a rear outer end cover, a middle annular spring, a right annular spring, a left annular spring and a pump body; two arc sections in the center of an inner cavity of the pump body are in sliding fit with an outer circle of the main gear; the middle annular spring, the right annular spring and the left annular spring are arranged between the back surface of an end surface compensation disc and an inner side plane of the front outer end cover; the end surface compensation disc is provided with a compensation disc middle hole to be in sliding fit with the front middle section of the driving shaft; and the end surface compensation disc is provided with a compensation disc right hole to be in sliding fit with the front middle section of the right driven shaft.
Description
Technical field
The utility model belongs to mechanical engineering field, refers to especially a kind of pair of flange spoke spring gear pump.
Background technique
Known gear pump is all the mated gear pump in work, because inlet outlet pressure differential is larger, certainly will cause gear one-sided stressed, particularly driving gear is one-sided stressed, directly cause the uneven wear leakage in advance of driving gear shaft place, cause the gear pump life-span short, boost in pressure is restricted.Perplex gear pump always and can not get effective problem that solves in addition: after long-term high speed operation, must wearing and tearing of its end face can not get effective compensation.China's license notification number: CN1316162C medium-high pressure gear pump having asymmetric double-circular-arc gear shape; China's license notification number: CN1081750C is showed no practicable method and solves the stressed asymmetric of gear pump and end wear gap control problem with internal gear pump of plastic shell etc.
Summary of the invention
The purpose of this utility model is to provide a kind of pair of flange spoke spring gear pump, adopts the symmetrical stressed structure of driving gear and end wear compensation isolation technology, realizes simultaneously the technological gap of symmetrical stressed and end wear auto-compensation.
To achieve these goals, the utility model provides following technological scheme:
A kind of pair of flange spoke spring gear pump, three shafting oil pumps are circumscribed with right inlet ductwork and left inlet ductwork and right export pipeline and the second fuel-displaced pipeline, and as improvement: described right inlet ductwork and left inlet ductwork are pooled in oil-feed house steward with the inlet pipe flange; Described right export pipeline and the second fuel-displaced pipeline are pooled to in the fuel-displaced house steward who goes out pipe flange; Described three shafting oil pumps comprise driving shaft, right driven shaft, left driven shaft, master gear, right from gear, left from gear, front outer end cap, rear outer end cap, ring bar spring, right ring bar spring, left ring bar spring and the pump housing; Body two sections, center arc and the master gear cylindrical of described pump housing inner chamber are slidably matched; The right more than half circular arc of the right more than half arc body of the body of described pump housing inner chamber is slidably matched from top circle with right; The left more than half circular arc of the left more than half arc body of the body of described pump housing inner chamber is slidably matched from top circle with left; The driving shaft at described master gear center parallels with the right driven shaft of the described right side from Gear center; The driving shaft at described master gear center parallels with the left driven shaft of a described left side from Gear center; 4 to 12 rear end cover screws are fixed on described pump housing ear end face from the bonnet counterbore with the bonnet inner plane of described rear outer end cap is airtight; 4 to 12 front cover screws are fixed on described pump housing front-end face from the protecgulum counterbore with the protecgulum inner plane of described front outer end cap is airtight; Described end-face compensate dish horizontal frontal plane is pasting master gear and right from gear and left from gear simultaneously; Middle ring bar spring and right ring bar spring and left ring bar spring are arranged respectively between the described end-face compensate dish back side and described front outer end cap inner side plane; And before described end-face compensate dish has compensating disc mesopore and driving shaft, the middle-end section is slidably matched; Before described end-face compensate dish has the right hole of compensating disc and right driven shaft, the middle-end section is slidably matched; Described end-face compensate dish has the compensation front middle-end section of hole and left driven shaft of facing left to be slidably matched; Two sections arcs of the disk center that described end-face compensate dish is placed outward, the right outlet arc of dish, the right import arc of dish, the outlet arc of facing left, face left import arc and the right more than half circular arc of dish, more than half circular arc of facing left are slidably matched with body two sections, center arc, the right outlet arc of body, the right import arc of body, the left outlet arc of body, the left import arc of body and the right more than half circular arc of body, the left more than half circular arc of body of described pump housing inner chamber respectively.
As further improvement: from gear with leftly equate from the gear width, 180 spend from gear and left being meshed apart from gear synchronous with right by described master gear with right for described master gear.
As further improvement: described bonnet inner plane is pasting master gear and right from gear and left ear end face from gear simultaneously; After during described bonnet inner plane has, through hole and driving shaft rear end section are slidably matched; Described bonnet inner plane has rear right blind hole and right driven shaft rear end section to be slidably matched; Described bonnet inner plane has rear left blind hole and left driven shaft rear end section to be slidably matched.
As further improvement: described end-face compensate dish horizontal frontal plane is pasting master gear and right from gear and left front-end face from gear simultaneously; Have respectively in dish the scrobicular ring isolation be fixed wtih middle ring bar spring ring-type chassis on the described end-face compensate dish back side, coil right scrobicular ring isolation and be fixed wtih right ring bar spring ring-type chassis, the scrobicular ring of facing left is isolated and is fixed wtih left ring bar spring ring-type chassis.
As further improvement: ring bar spring and right ring bar spring and left ring bar spring spoke top during described protecgulum inner plane is pasting simultaneously; Be slidably matched with front through hole and driving shaft front end rigion in front seal ring on described protecgulum inner plane, the driving shaft front end rigion passes through outside front outer end cap and has located main shaft key; Described protecgulum inner plane has front right blind hole and right driven shaft front end rigion to be slidably matched, and does not contact bottom surface, front right hole; Described protecgulum inner plane has front left blind hole and left driven shaft front end rigion to be slidably matched, and does not contact bottom surface, front left hole.
As further improvement: be slidably matched with through hole after in rear seal ring and driving shaft rear end section on described bonnet inner plane; Described bonnet inner plane has rear right blind hole and right driven shaft rear end section to be slidably matched, and does not contact bottom surface, rear right hole; Described bonnet inner plane has rear left blind hole and left driven shaft rear end section to be slidably matched, and does not contact bottom surface, rear left hole.The right more than half circular arc of the right more than half arc body of the left more than half arc body of the left more than half arc body of the right more than half arc body of the right more than half arc body of body
As further improvement: described fuel-displaced house steward's cecum is for going out to manage dish-shaped blind lid; Described oil-feed house steward's cecum is the blind lid of inlet pipe dish.
The beneficial effects of the utility model are: three shafting oil pumps are circumscribed with right inlet ductwork and left inlet ductwork and right export pipeline and the second fuel-displaced pipeline, and right inlet ductwork and left inlet ductwork are pooled in oil-feed house steward with the inlet pipe flange; Right export pipeline and the second fuel-displaced pipeline are pooled to in the fuel-displaced house steward who goes out pipe flange; Make the spatial pipeline system that seems complicated obtain reasonable Arrangement.Oil-feed house steward's inlet pipe flange arrangement be connected the going out the pipe flange structure and can facilitate the utility model to be connected with the front and back system pipeline of house steward.
Adopt three gears to reach the compact structure of twice flow, make be positioned in the middle of the symmetrical stressed complete equilibrium that obtains of master gear, guarantee uniquely to be in the main gear shaft long-time running of motive sealing sealing state without wearing and tearing.No matter pass in and out pipeline pressure reduction much, master gear is meshed from gear synchronous from gear and a left side with right at a distance of 180 degree, the overall stressed complete equilibrium that obtains of master gear, wearing and tearing, also full symmetric is even, can keep master gear and the right side to move interior leakage from gear and a left side from pressurize for a long time between gear, and in the front seal ring of the band on assurance driving shaft and protecgulum inner plane, the front long-time effective sealing of through hole does not leak outside.
The axial rebounding force that produces by means of middle ring bar spring and right ring bar spring and left ring bar spring, make the horizontal frontal plane of end-face compensate dish be close to simultaneously master gear and right from gear and left front-end face from gear, force master gear and the right side to be close to the bonnet inner plane from gear and a left side from the ear end face of gear, guarantee that the utility model is in high-efficiency operation all the time.The utility model realizes also possessing simultaneously radial force balancing technique and axial end wear compensation gap control technology, and is novel, simple in structure, the convenient manufacturing, and the market application potential is huge.
Description of drawings
Fig. 1 is the utility model plan view, and wherein three shafting oil pumps are partly the sectional view in Q-Q cross section in Fig. 3.
Fig. 2 is that in Fig. 1, the R-R sectional view reflects separately three shafting oil pumps, has omitted right inlet ductwork and left inlet ductwork and right export pipeline and left export pipeline.
Fig. 3 is the sectional drawing that in Fig. 2, three shafting oil pumps pass through three axis.
Fig. 4 is the P-P sectional view in Fig. 3.
Fig. 5 is the back side stereogram of the end-face compensate dish 30 in Fig. 3.
Embodiment
In conjunction with the accompanying drawings and embodiments, further structure of the present utility model and working principle are elaborated:
A kind of pair of flange spoke spring gear pump, three shafting oil pumps are circumscribed with right inlet ductwork 47 and left inlet ductwork 48 and right export pipeline 49 and the second fuel-displaced pipeline 46, and as improvement: described right inlet ductwork 47 and left inlet ductwork 48 are pooled in oil-feed house steward 74 with inlet pipe flange 77; Described right export pipeline 49 and the second fuel-displaced pipeline 46 are pooled to in the fuel-displaced house steward 64 who goes out pipe flange 66; Described three shafting oil pumps comprise driving shaft 11, right driven shaft 12, left driven shaft 13, master gear 21, right from gear 22, left from gear 23, front outer end cap 50, rear outer end cap 70, ring bar spring 81, right ring bar spring 82, left ring bar spring 83 and the pump housing 90; Body two sections, center arc 91 and master gear 21 cylindricals on the described pump housing 90 inner chambers are slidably matched; The right more than half circular arc 92 of the right more than half arc body of body on the described pump housing 90 inner chambers is slidably matched from gear 22 cylindricals with right; The left more than half circular arc 92 of the left more than half arc body of body on the described pump housing 90 inner chambers is slidably matched from gear 23 cylindricals with left; The driving shaft 11 at described master gear 21 centers and the described right side parallel from the right driven shaft 12 at gear 22 centers; The driving shaft 11 at described master gear 21 centers and a described left side parallel from the left driven shaft 13 at gear 23 centers; 4 to 12 rear end cover screws 40 from bonnet counterbore 76 with the airtight described pump housing end face after 90s that is fixed on of the bonnet inner plane 79 of described rear outer end cap 70; 4 to 12 front cover screws 60 are fixed on the described pump housing 90 front-end faces from protecgulum counterbore 56 with the protecgulum inner plane 59 of described front outer end cap 50 is airtight; Described end-face compensate dish 30 horizontal frontal planes are pasting master gear 21 and right from gear 22 and left from gear 23 simultaneously; Middle ring bar spring 81 and right ring bar spring 82 and left ring bar spring 83 are arranged respectively between described end-face compensate dish 30 back sides and described front outer end cap 50 inner side plane; And described end-face compensate dish 30 has compensating disc mesopore 31 and the front middle-end section of driving shaft 11 to be slidably matched; Described end-face compensate dish 30 has the right hole 32 of compensating disc and the front middle-end section of right driven shaft 12 to be slidably matched; Described end-face compensate dish 30 has compensation face left hole 33 to be slidably matched with the front middle-end section of left driven shaft 13; The outer two sections arcs 34 of disk center placed of described end-face compensate dish 30, the right outlet arc 69 of dish, the right import arc 67 of dish, the outlet arc 65 of facing left, face left import arc 68 and the right more than half circular arc 35 of dish, face left more than half circular arc 36 respectively with the described pump housing 90 inner chambers on body two sections, center arc 91, the right outlet arc 89 of body, the right import arc 87 of body, the left outlet arc 86 of body, the left import arc 88 of body and the right more than half circular arc 92 of body, the left more than half circular arc 93 of body be slidably matched.
As further improvement: described master gear 21 with right from gear 22 with leftly equate from gear 23 width, described master gear 21 with right from gear 22 with leftly spend at a distance of 180 from gear 23 locking phases engagements.
As further improvement: described bonnet inner plane 79 is pasting master gear 21 and right from gear 22 and left ear end face from gear 23 simultaneously; After during described bonnet inner plane 79 has, through hole 71 is slidably matched with driving shaft 11 rear end section; Described bonnet inner plane 79 has rear right blind hole 72 and right driven shaft 12 rear end section to be slidably matched; Described bonnet inner plane 79 has rear left blind hole 73 and left driven shaft 13 rear end section to be slidably matched.
As further improvement: described end-face compensate dish 30 horizontal frontal planes are pasting master gear 21 and right from gear 22 and left front-end face from gear 23 simultaneously; Have respectively in dish scrobicular ring 37 isolation be fixed wtih middle ring bar spring 81 ring-type chassis on described end-face compensate dish 30 back sides, coil right scrobicular ring 38 isolation and be fixed wtih right ring bar spring 82 ring-type chassis, the scrobicular ring 39 of facing left is isolated and is fixed wtih left ring bar spring 83 ring-type chassis.
As further improvement: ring bar spring 81 and right ring bar spring 82 and left ring bar spring 83 spoke tops during described protecgulum inner plane 59 is pasting simultaneously; Be slidably matched with driving shaft 11 front end rigions with front through hole 51 in front seal ring 61 on described protecgulum inner plane 59, driving shaft 11 front end rigions pass through outside front outer end cap 50 and have located main shaft key 17; Described protecgulum inner plane 59 has front right blind hole 52 and right driven shaft 12 front end rigions to be slidably matched, and does not contact bottom surface, front right hole 62; Described protecgulum inner plane 59 has front left blind hole 53 and left driven shaft 13 front end rigions to be slidably matched, and does not contact bottom surface, front left hole 63.
As further improvement: be slidably matched with driving shaft 11 rear end section with through hole 71 after in rear seal ring 41 on described bonnet inner plane 79; Described bonnet inner plane 79 has rear right blind hole 72 and right driven shaft 12 rear end section to be slidably matched, and does not contact bottom surface, rear right hole 42; Described bonnet inner plane 79 has rear left blind hole 73 and left driven shaft 13 rear end section to be slidably matched, and does not contact bottom surface, rear left hole 43.The right more than half circular arc of the right more than half arc body of the left more than half arc body of the left more than half arc body of the right more than half arc body of the right more than half arc body of body
As further improvement: described fuel-displaced house steward's 64 cecum is for going out to manage dish-shaped blind lid 99; Described oil-feed house steward's 74 cecum is the blind lid 44 of inlet pipe dish.
Embodiment's installation steps and working principle are described as follows:
Installation steps: in Fig. 1, Fig. 2, Fig. 3,, the oil-feed house steward 74 that embodiment selects described right inlet ductwork 47 and left inlet ductwork 48 to be pooled to inlet pipe flange 77 is arranged in the below; Described right export pipeline 49 and the second fuel-displaced pipeline 46 are pooled to the fuel-displaced house steward 64 who goes out pipe flange 66 and are arranged in the top.
The right outlet arc 89 of body is connected with right export pipeline 49; The right import arc 87 of body is connected with right inlet ductwork 47; The left outlet arc 86 of body is connected with the second fuel-displaced pipeline 46; The left import arc 88 of body is connected with left inlet ductwork 48.
It is 17 numbers of teeth that embodiment selects master gear 21, and right is respectively 17 numbers of teeth from gear 22 and a left side from gear 23.8 rear end cover screws 40 place the airtight described pump housing end face after 90s that is fixed on of rear lid gasket 78 from bonnet counterbore 76 with the bonnet inner plane 79 of described rear outer end cap 70.
After in driving shaft 11 rear ends insertion bonnet inner planes 79, through hole 71 passes rear middle seal ring 41 and outer stretching, right driven shaft 12 rear ends are inserted the rear right blind hole 72 of bonnet inner planes 79 but are not contacted bottom surface, rear right hole 42, and left driven shaft 13 rear ends are inserted the rear left blind hole 73 of bonnet inner planes 79 but do not contact bottom surface, rear left hole 43.
End-face compensate dish 30 horizontal frontal planes are being pasted master gear 21 and right from gear 22 and left front-end face from gear 23 simultaneously.Compensating disc mesopore 31 and the front middle-end section of driving shaft 11 of end-face compensate dish 30 are slidably matched, the right hole of the compensating disc of end-face compensate dish 30 32 is slidably matched with the front middle-end section of right driven shaft 12, and the compensation of end-face compensate dish 30 hole 33 of facing left is slidably matched with the front middle-end section of left driven shaft 13.
Front through hole 51 in seal ring 61 before band on the protecgulum inner plane 59 of front outer end cap 50 is slidably matched with driving shaft 11 front end rigions; Front right blind hole 52 and right driven shaft 12 front end rigions of front outer end cap 50 are slidably matched, and do not contact bottom surface, front right hole 62; Front left blind hole 53 and left driven shaft 13 front end rigions of protecgulum inner plane 59 are slidably matched, and do not contact bottom surface, front left hole 63.
From protecgulum counterbore 56, the protecgulum inner plane 59 of described front outer end cap 50 is placed with 8 rear end cover screws 60 that front cover gasket 58 is airtight is fixed on the described pump housing 90 front-end faces.Make protecgulum inner plane 59 pasting simultaneously in ring bar spring 81 and right ring bar spring 82 and left ring bar spring 83 spoke tops, install.
Working principle: in conjunction with Fig. 1, Fig. 4, Fig. 5, in embodiment, external force is by main shaft key 17 inputs, turned clockwise by the related master gear 21 of driving shaft 11, by master gear 21 and right from gear 22 with leftly synchronize intermeshingly from gear 23, order about right from gear 22 and left from gear 23 opposite spins.Right inlet ductwork 47 and left inlet ductwork 48 be feed liquor simultaneously, and right export pipeline 49 and left export pipeline 46 be fluid simultaneously.
No matter pass in and out pipeline pressure reduction much, master gear 21 is at a distance of 180 degree and right from gear 22 and left from gear 23 locking phase engagements, the overall stressed complete equilibrium that obtains of master gear 21, wearing and tearing, also full symmetric is even, can keep master gear 21 and right from gear 22 and left from leaking in long-time pressurize operation between gear 23, and guarantee seal ring 61 before band on driving shaft 11 and protecgulum inner plane 59 in before the long-time effective sealing of through hole 51 do not leak outside.
Oil-feed house steward 74 with inlet pipe flange 77 is diverted to right inlet ductwork 47 and left inlet ductwork 48.Master gear 21 rotation half-turns are synchronously sent into the liquid of left inlet ductwork 48 right export pipeline 49 and the liquid of right inlet ductwork 47 are sent into the second fuel-displaced pipeline 46; The right side is revolved to turn around from gear 22 liquid of right inlet ductwork 47 is sent into right export pipeline 49; A left side is revolved to turn around from gear 23 liquid of left inlet ductwork 48 is sent into the second fuel-displaced pipeline 46.Right export pipeline 49 and the second fuel-displaced pipeline 46 are pooled to the fuel-displaced house steward 64 who goes out pipe flange 66.Go round and begin again.
After long-time running, master gear 21 and right from gear 22 and left both ends of the surface wearing and tearing from gear 23, can use has respectively in dish scrobicular ring 37 isolation be fixed wtih middle ring bar spring 81 ring-type chassis on end-face compensate dish 30 back sides, coil 38 isolation of right scrobicular ring and be fixed wtih right ring bar spring 82 ring-type chassis, scrobicular ring 39 isolation of facing left are fixed wtih left ring bar spring 83 ring-type chassis.Utilize protecgulum inner plane 59 pasting simultaneously in the rebounding force that produces of ring bar spring 81 and right ring bar spring 82 and left ring bar spring 83 spoke tops, force end-face compensate dish 30 horizontal frontal planes pasting simultaneously master gear 21 and right from gear 22 and left front-end face from gear 23, then force master gear 21 and right from gear 22 and the left bonnet inner plane 79 that is pasting simultaneously rear outer end cap 70 from the ear end face of gear 23, guarantee internal leakage does not occur between the long-play ear end face, realize high-voltage operation.
Claims (7)
1. two flange spoke spring gear pump, three shafting oil pumps are circumscribed with right inlet ductwork (47) and left inlet ductwork (48) and right export pipeline (49) and the second fuel-displaced pipeline (46), it is characterized in that: described right inlet ductwork (47) and left inlet ductwork (48) are pooled in oil-feed house steward (74) with inlet pipe flange (77), described right export pipeline (49) and the second fuel-displaced pipeline (46) are pooled to in the fuel-displaced house steward (64) who goes out pipe flange (66), described three shafting oil pumps comprise driving shaft (11), right driven shaft (12), left driven shaft (13), master gear (21), right from gear (22), left from gear (23), front outer end cap (50), rear outer end cap (70), ring bar spring (81), right ring bar spring (82), left ring bar spring (83) and the pump housing (90), the body two sections arcs in center (91) on the described pump housing (90) inner chamber are slidably matched with master gear (21) cylindrical, the right more than half circular arc (92) of the right more than half arc body of body on the described pump housing (90) inner chamber is slidably matched from gear (22) cylindrical with right, the left more than half circular arc (93) of the left more than half arc body of body on the described pump housing (90) inner chamber is slidably matched from gear (23) cylindrical with left, the driving shaft (11) at described master gear (21) center and the described right side parallel from the right driven shaft (12) at gear (22) center, the driving shaft (11) at described master gear (21) center and a described left side parallel from the left driven shaft (13) at gear (23) center, 4 to 12 rear end cover screws (40) from bonnet counterbore (76) with the airtight described pump housing (90) ear end face that is fixed on of the bonnet inner plane (79) of described rear outer end cap (70), 4 to 12 front cover screws (60) from protecgulum counterbore (56) with the airtight described pump housing (90) front-end face that is fixed on of the protecgulum inner plane (59) of described front outer end cap (50), described end-face compensate dish (30) horizontal frontal plane is pasting master gear (21) and right from gear (22) and left from gear (23) simultaneously, middle ring bar spring (81) and right ring bar spring (82) and left ring bar spring (83) are arranged respectively between described end-face compensate dish (30) back side and described front outer end cap (50) inner side plane, and described end-face compensate dish (30) has compensating disc mesopore (31) and the front middle-end section of driving shaft (11) to be slidably matched, described end-face compensate dish (30) has the right hole of compensating disc (32) and the front middle-end section of right driven shaft (12) to be slidably matched, described end-face compensate dish (30) has face left hole (33) and the front middle-end section of left driven shaft (13) of compensation to be slidably matched, the outer two sections arcs of disk center (34) placed of described end-face compensate dish (30), coil right outlet arc (69), coil right import arc (67), face left and export arc (65), face left import arc (68) and the right more than half circular arc (35) of dish, face left more than half circular arc (36) respectively with the described pump housing (90) inner chamber on the body two sections arcs in center (91), the right outlet arc of body (89), the right import arc of body (87), the left outlet arc of body (86), the right more than half circular arc (92) of the left import arc of body (88) and body, the left more than half circular arc (93) of body is slidably matched.
2. a kind of pair of flange spoke spring gear pump according to claim 1 is characterized in that: described master gear (21) with right from gear (22) and leftly equate from gear (23) width; Described master gear (21) meshes at a distance of 180 degree from gear (23) locking phase from gear (22) and a left side with right.
3. a kind of pair of flange spoke spring gear pump according to claim 1 is characterized in that: described bonnet inner plane (79) is pasting master gear (21) and right from gear (22) and left ear end face from gear (23) simultaneously; After during described bonnet inner plane (79) has, through hole (71) is slidably matched with driving shaft (11) rear end section; Described bonnet inner plane (79) has rear right blind hole (72) and right driven shaft (12) rear end section to be slidably matched; Described bonnet inner plane (79) has rear left blind hole (73) and left driven shaft (13) rear end section to be slidably matched.
4. a kind of pair of flange spoke spring gear pump according to claim 1 is characterized in that: described end-face compensate dish (30) horizontal frontal plane is pasting master gear (21) and right from gear (22) and left front-end face from gear (23) simultaneously; There is respectively scrobicular ring in dish (37) isolation to be fixed wtih middle ring bar spring (81) ring-type chassis on described end-face compensate dish (30) back side, coil right scrobicular ring (38) isolation and be fixed wtih right ring bar spring (82) ring-type chassis, the scrobicular ring of facing left (39) isolation is fixed wtih left ring bar spring (83) ring-type chassis.
5. a kind of pair of flange spoke spring gear pump according to claim 1 is characterized in that: ring bar spring (81) and right ring bar spring (82) and left ring bar spring (83) spoke top during described protecgulum inner plane (59) is pasting simultaneously; Described protecgulum inner plane (59) is upper to be slidably matched with driving shaft (11) front end rigion with front through hole (51) in front seal ring (61), and driving shaft (11) front end rigion passes through and located main shaft key (17) outside front outer end cap (50); Described protecgulum inner plane (59) has front right blind hole (52) and right driven shaft (12) front end rigion to be slidably matched, and does not contact bottom surface, front right hole (62); Described protecgulum inner plane (59) has front left blind hole (53) and left driven shaft (13) front end rigion to be slidably matched, and does not contact bottom surface, front left hole (63).
6. a kind of pair of flange spoke spring gear pump according to claim 1, is characterized in that: is slidably matched with driving shaft (11) rear end section with rear through hole (71) in rear seal ring (41) on described bonnet inner plane (79); Described bonnet inner plane (79) has rear right blind hole (72) and right driven shaft (12) rear end section to be slidably matched, and does not contact bottom surface, rear right hole (42); Described bonnet inner plane (79) has rear left blind hole (73) and left driven shaft (13) rear end section to be slidably matched, and does not contact bottom surface, rear left hole (43).
7. a kind of pair of flange spoke spring gear pump according to claim 1 is characterized in that: the right more than half described fuel-displaced house steward's of circular arc (64) of the right more than half arc body of the right more than half arc body of body left more than half arc body right more than half arc body of left more than half arc body cecum is for going out to manage dish-shaped blind lid (99); Described oil-feed house steward's (74) cecum is inlet pipe dish blind lid (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220684836 CN202991467U (en) | 2012-12-13 | 2012-12-13 | Double-flange-spoke spring gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220684836 CN202991467U (en) | 2012-12-13 | 2012-12-13 | Double-flange-spoke spring gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991467U true CN202991467U (en) | 2013-06-12 |
Family
ID=48562653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220684836 Expired - Fee Related CN202991467U (en) | 2012-12-13 | 2012-12-13 | Double-flange-spoke spring gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991467U (en) |
-
2012
- 2012-12-13 CN CN 201220684836 patent/CN202991467U/en not_active Expired - Fee Related
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Granted publication date: 20130612 Termination date: 20131213 |