CN202520615U - Detachable cutting device for pumps - Google Patents
Detachable cutting device for pumps Download PDFInfo
- Publication number
- CN202520615U CN202520615U CN2012201946873U CN201220194687U CN202520615U CN 202520615 U CN202520615 U CN 202520615U CN 2012201946873 U CN2012201946873 U CN 2012201946873U CN 201220194687 U CN201220194687 U CN 201220194687U CN 202520615 U CN202520615 U CN 202520615U
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- Prior art keywords
- cutting
- pump
- runner
- pump shaft
- coil
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Abstract
The utility model relates to a detachable cutting device for pumps, and the device is used for overcoming the technical shortcomings that cutting devices and pumps in the prior art are in an integral structure and cannot be detached, and accordingly the pump flow performance is influenced. The detachable cutting device for the pumps comprises a cutting rotating wheel and a cutting disk which are bound in a vertical mode, wherein a gap is reserved between corresponding binding faces, and the cutting disk and the cutting rotating wheel are respectively provided with water holes arranged in circumferential surrounding mode; the bottom face of the bound cutting rotating wheel is provided with a radial cutting edge a corresponding to the edges of water hole walls, the cutting rotating wheel is sleeved on a pump shaft, the outer diameter of the lower portion of the pump shaft is smaller than the outer diameter of the upper portion of the pump shaft, and a shaft shoulder is formed at a drawing down position. The cutting rotating wheel is sleeved on the lower portion of the pump shaft and bears against the shaft shoulder upward, and a key is arranged between the cutting rotating wheel and the pump shaft; and a fastening piece is arranged at the shaft end position of the lower portion of the pump shaft to bear against the cutting rotating wheel upward, and the cutting disk is fixed on the bottom face of a pump body through bolts. The detachable cutting device for the pumps can be mounted and demounted in use according to actual situations, flexibly adapts to various operating environments, and can be used for effectively reducing the influence on the pump flow performance.
Description
Technical field
The utility model relates to the cutting device on the water pump, and particularly a kind of dismountable pump is used cutting device.
Background technique
Formerly the patent No. 200520046465.7 patents " a kind of novel water pump is used cutting device " disclose a kind of cutting device of using at pump intake cutting dirt; Base fixing on cutting impeller and the pump housing on the water pump transmission shaft is tangent to be cooperated long fibre dirt to the water intake of flowing through to cut to tear, prevent that long fibre from twining and stopping up water pump said cutting device through being contained in.Because the knife face of cutting is positioned on the blade of impeller; The synchronous cutting cleaning is carried out in the impeller rotation during pump working; This cutting device and pump are structure as a whole on-dismountable, have considerable influence for the flow performance of pump, and be particularly evident when especially under need not to cut the environment of dirt, using.In addition, formerly the cutting device in the patent is the single face cutting edge, has only the blade of cutting impeller to be provided with the knife face of band cutting edge, and does not have cutting edge on the tangent fixed base of cutting impeller, and cutting effect also haves much room for improvement.
The model utility content
The technical assignment that the utility model proposes is that the cutting device and the pump that overcome patent formerly is structure as a whole and can't dismantles the technological deficiency that influences the pump duty performance; Provide a kind of dismountable pump to use cutting device; Said cutting device can use according to the actual conditions attaching/detaching; The various Environmental Conditions of reply effectively reduce the flow performance influence to pump flexibly.
The technological scheme that the utility model technical solution problem adopts: a kind of dismountable pump is used cutting device; It is characterized in that comprising the cutting runner and the cutting disk of fitting up and down, and gapped between the corresponding faying surface, described cutting disk all has along circumferential hoop on the runner around the water passage hole that distributes with cutting; Corresponding water passage hole mural margin is provided with cutting edge a radially on the cutting runner bottom surface that fits; The cutting rotaring wheeling sleeve is on pump shaft, and the pump shaft lower outer diameter is less than the top external diameter, and the undergauge place forms the shaft shoulder; The cutting runner is placed in the bottom of pump shaft and upwards withstands the shaft shoulder; Be provided with key between cutting runner and the pump shaft, the lower axial end place of pump shaft is provided with fastening piece and upwards withstands the cutting runner, and cutting disk passes through bolt in pump housing bottom surface.The utility model is realized cutting in real time through the pump that can dismantle flexibly with cutting device; Can rotate in the cutting disk of the pump housing with the cutting runner relative fixed of pump shaft rotation during work; Utilize the cutting edge a applying cutting disk of cutting runner bottom surface water passage hole mural margin to rotate; Insoluble solid formations such as the fibre object in long fibre of flowing through such as the liquid medium, feather, hair, swill, ight soil are cut into short thin shape, be beneficial to pump, guarantee good cutting effect with pump; Wherein cutting disk is with the cutting runner and removably connects; Cutting disk is through bolt and be fixed in pump housing bottom surface; The cutting runner realizes and the radial location of pump shaft transmitting torque simultaneously through key, clamps through the shaft shoulder and fastening piece that the cutting runner is realized and the axially locating of pump shaft, and said cutting disk and the mounting structure that cuts runner are and removably connect; When need not the cutting environment use, can pull down cutting runner and cutting disk from pump; Recover the original flow performance of pump, tackle different Environmental Conditions flexibly, wait to refill cutting disk when needing cutting and cut runner to get final product.In addition, can also install the adjustment pad at shaft shoulder place additional and prop up the cutting runner, said pad can be used for adjusting the gap that cutting runner and cutting disk are fitted, and causes cutting disk and to cut the runner gap particularly suitable when too small in that machining accuracy is not good.
Described cutting runner is by the wheel seat of circle centre position, constitute around the wheel rim of wheel seat and some arm one of taking turns of radially connecting wheel seat and wheel rim; Said wheel seat center is provided with the axis hole of band keyway; Adjacent wheels arm and corresponding wheel rim are around forming water passage hole; Said arm bottom surface one side margin of taking turns forms cutting edge a radially, and the wheel arm sidewall of cutting edge a one side forms wedge shape knife face up.The cutting runner connects wheel seat through the wheel arm and wheel rim constitutes, and hollow space forms water passage hole naturally, saves materials being fabricated; That utilizes the wheel arm radially is provided with cutting edge, easy to process.
Fit corresponding water passage hole mural margin on the end face of cutting runner of described cutting disk is provided with radially cutting edge b and circumferential cutting edge c.On fixing cutting disk, establish many places cutting edge radially, help to improve cutting effect, the long fibre that negative pressure sucks is just cut by the cutting edge b radially at hole wall edge when rising through the water passage hole on the cutting disk; And owing on cutting disk that fits and the cutting runner cutting edge is arranged all, when the rotation of cutting runner, the cutting edge one moving on two sides is quiet, cooperatively interacts, and cutting effect obviously improves; The cutting edge c that on fixing cutting disk, establishes circumferencial direction can assist and cut the long fibre of flowing through, and strengthens the integral cutting effect of cutting device.
Described cutting disk by the dish seat of circle centre position, around the coil of dish seat and radially some dish arm one of land seat and coil constitute; Adjacent disc arm and respective disc corral are around forming water passage hole; Said dish arm end face one side margin forms cutting edge b radially, and the dish arm sidewall of cutting edge b one side forms wedge shape knife face down, and coil inside top surface edge forms circumferential cutting edge c; The coil madial wall of cutting edge c one side forms wedge shape knife face down; Around being circumferentially with some lugs, the perforate construction bolt is fixedly connected with pump housing bottom surface on the said lug on the coil, and pump housing bottom surface has corresponding mounting hole.Its length direction is corresponding in dish arm and coil upper edge is provided with radially and circumferential cutting edge, realization cutting function for cutting disk; The lug of evagination is used for the fixing of the construction bolt realization cutting disk and the pump housing on the coil.
Upper edge, described coil bottom surface is circumferentially with some grooves, and said groove two ends form two breach respectively on the wedge shape knife face of coil and coil outer side wall.The effect of groove is to make the bottom surface of cutting disk into irregular male and fomale(M&F); Avoid the hard block adhesive of the too smooth generation in cutting disk bottom surface to touch the cutting disk bottom surface; Cause plug cutout; When harder thing such as braided bag is whole when sucting the bottom surface that touch cutting disk, liquid still can be in the irregular groove suction pump of periphery.
Described coil end face is provided with along circumferential continuous annular ridge; Said fin is separated into the end face of cutting disk the cutting surface and the fixing round table surface of the outside applying pump housing of the inboard cutting runner of fitting; Cutting surface is lower than round table surface, the internal diameter of fin and the corresponding respectively installation dimension of mating cutting runner and pump housing bottom surface of external diameter.Through being set, the continuous annular ridge of circumferencial direction marks off inside and outside both sides different working face on cutting disk coil end face; And the installation dimension of corresponding respectively coupling cutting runner in the inside and outside footpath of fin and pump housing bottom surface; The round table surface in the outside and the outer wall of fin constitute the positioning spigot that cutting disk is installed, and install spacing to the cutting disk and the pump housing; The inboard cutting surface and the inwall of fin constitute the shrinkage pool that matches with the cutting runner cutting runner are installed; Because cutting surface is lower than round table surface and makes the fin madial wall that enough height falls arranged; During pump work under centrifugal action; The fibril that does not cut off fully slippage in the slit between cutting disk and the cutting runner will be passed through the distance of growing in the past; Increased the difficulty that aforementioned fibril passes through, pump is not easy to result in blockage.
Described fastening piece is a screw, has corresponding screw on the axle head bottom surface of pump shaft bottom, and said screw passes a packing ring and is screwed into the screw packing washer and upwards withstands the cutting runner, and dish seat center has the mounting hole of corresponding screw.Come fastening installation cutting runner through the screw fit packing ring; The screw head of mounting hole size that the center of sitting crosslegged is offered and screw one end coupling reserves the space and gives screw head, and the gap of mounting hole and screw head is little, and fiber is not easy to get involved in and enwinds pump shaft and result in blockage.In addition, can also between inspection cutting runner and the cutting disk whether friction be arranged through mounting hole with the fastening cutting runner of instrument.This fastening structure is fit to high powered water pump to be used, because pump shaft more slightly is fit to beat tapped hole.
Described fastening piece is a nut, and the axle head of pump shaft bottom is provided with corresponding outside thread, and the axle head of pump shaft is with a packing ring, and the axle head packing washer that said nut is screwed in pump shaft upwards withstands the cutting runner, and dish seat center has the mounting hole of corresponding nut.Directly process the screw thread nut of screwing on through axle head, fastening installation cutting runner at pump shaft; The mounting hole that the center of sitting crosslegged is offered is to give nut in order to reserve the space, and the gap of mounting hole and nut is little, and fiber is not easy to get involved in and enwinds pump shaft and result in blockage.In addition, can also between inspection cutting runner and the cutting disk whether friction be arranged through mounting hole with the fastening cutting runner of instrument.This fastening structure is fit to the small-power water pump to be used, because pump shaft more carefully is not suitable for dozen tapped hole, so threading is twisted nut.
Corresponding axis hole place, described wheel seat bottom surface is provided with the indent counterbore greater than the axis hole aperture, and the bottom surface of said counterbore is the round table surface of annular, and said packing ring is close to round table surface.The hole enlargement of axis hole place forms the counterbore of indent, and flat surface installation packing ring is convenient to process in the bottom surface of counterbore, and the fastening piece assembling is stressed evenly.
The utility model is realized cutting in real time through the pump that can dismantle flexibly with cutting device; Cutting disk is and removably connects with the mounting structure of cutting runner, cutting disk through bolt be fixed in pump housing bottom surface, the cutting runner is fixed through key and fastening piece and pump shaft; When need not the cutting environment use, can pull down cutting runner and cutting disk from pump; Recover the original flow performance of pump, tackle different Environmental Conditions flexibly, wait to refill cutting disk when needing cutting and cut runner to get final product; And being equipped with incisory cutting edge and corresponding knife face on movable cutting runner and the fixing cutting disk, cutting effect is better; The cutting disk upper edge is circumferentially with groove, can effectively reduce the generation of hard block plug cutout.
Description of drawings
Fig. 1: embodiment 1 structural representation.
Fig. 2: the schematic representation of cutting disk.
The A-A of Fig. 3: Fig. 2 is to sectional view.
The rear view of Fig. 4: Fig. 2.
The B-B of Fig. 5: Fig. 4 is to sectional view.
Fig. 6: the schematic representation of cutting runner.
The rear view of Fig. 7: Fig. 6
The C-C of Fig. 8: Fig. 7 is to sectional view.
Fig. 9: embodiment 2 structural representation.
Among the figure: 1. the cutting runner, 2. cutting disk, 3. key, 4. pump shaft, 5. bolt, 6. the pump housing, 7. cutting edge a, 8. water passage hole, 9. wheel seat, 10. wheel rim, 11. is taken turns arm, 12. keyways, 13. axis holes, 14. wedge shape knife faces, 15. cutting edge b, 16. cutting edge c, 17. dish seats, 18. coils, 19. coil arms, 20. lugs, 21. grooves, 22. fins, 23. fastening pieces, 24. mounting holes, 25. counterbores, 26. packing rings, 27. round table surface, 28. holes, 29. shaft shoulders.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is done further explanation.
Described cutting runner is by the wheel seat 9 of circle centre position, constitute around the wheel rim 10 of wheel seat and some arm 11 one of taking turns of radially connecting wheel seat and wheel rim; Said wheel seat 9 centers are provided with the axis hole 13 of band keyway 12; Adjacent wheels arm 11 centers on corresponding wheel rim 10 and forms water passage hole 8; Said arm 11 bottom surfaces one side margin of taking turns forms cutting edge a7 radially, and wheel arm 11 sidewalls of cutting edge a7 one side form wedge shape knife face 14 up.
Described cutting disk 2 by the dish seat 17 of circle centre position, around the coil 18 of dish seat and radially some dish arm 19 one of land seat and coil constitute; Adjacent disc arm 19 centers on corresponding coil 18 and forms water passage hole 8; Said dish arm 19 end faces one side margin forms cutting edge b15 radially, and dish arm 19 sidewalls of cutting edge b one side form wedge shape knife face 14 down, and coil 18 inside top surface edges form circumferential cutting edge c16; Coil 18 madial walls of cutting edge c one side form wedge shape knife face 14 down; Around being circumferentially with some lugs 20, perforate 28 construction bolts 5 are fixedly connected with the pump housing 6 bottom surfaces on the said lug on the coil 18, and the pump housing 6 bottom surfaces have corresponding mounting hole; Upper edge, coil 18 bottom surface is circumferentially with some grooves 21, and said groove two ends form two breach respectively on the inboard wedge shape knife face 14 of coil 18 and coil 18 outer side walls; Coil 18 end faces are provided with along circumferential continuous annular ridge 22; Said fin 22 is separated into the cutting surface of the inboard cutting runner 1 of fitting and the round table surface that the outside applying pump housing 6 is fixed with the end face of cutting disk 2; Cutting surface is lower than round table surface, the internal diameter of fin 22 and the installation dimension of the corresponding respectively coupling cutting of external diameter runner 1 with the pump housing 6 bottom surfaces.
Described fastening piece 23 is a screw, has corresponding screw on the axle head bottom surface of pump shaft 4 bottoms, and said screw passes a packing ring 26 and is screwed into screw packing washer 26 and upwards withstands cutting runner 1, and dish seat 17 centers have the mounting hole 24 of corresponding screw; Corresponding axis hole 13 places, wheel seat 9 bottom surfaces are provided with the indent counterbore 25 greater than the axis hole aperture, and the bottom surface of said counterbore 25 is the round table surface 27 of annular, and packing ring 26 is close to round table surface 27.
To cut runner during use earlier is contained on the pump shaft with key; The screw of screwing on then props up the cutting runner, and the cutting runner is fastened between the screw head of the shaft shoulder and screw, is with packing ring on the screw; Load onto cutting disk at last, the screw head of the mounting hole alignment screw on the cutting disk, the mounting hole on three lugs of cutting disk are aimed at pump housing bottom surface the corresponding mounting hole respectively, are screwed into bolt; During dismounting, operation and aforementioned reversed in order.During work; The cutting runner rotates with pump shaft, utilizes the cutting edge a on the cutting runner to cooperate cutting edge b and cutting edge c on the cutting disk, three kinds of cutting edge actings in conjunction; Insoluble solid formations such as the fibre object in long fibre of flowing through such as the liquid medium, feather, hair, swill, ight soil are cut into short thin shape; Be beneficial to pump, guarantee good cutting effect, can pull down cutting runner and cutting disk from pump when under the environment that need not to cut, using with pump; Just can recover the original flow performance of pump, tackle different Environmental Conditions flexibly.
Claims (9)
1. a dismountable pump is used cutting device; It is characterized in that comprising the cutting runner (1) and the cutting disk (2) of fitting up and down; And it is gapped between the corresponding faying surface; All have along the water passage hole (8) of circumferential hoop around distribution on described cutting disk (2) and the cutting runner (1), corresponding water passage hole mural margin is provided with cutting edge a (7) radially on cutting runner (1) bottom surface that fits, and cutting runner (1) is enclosed within on the pump shaft (4); Pump shaft (4) lower outer diameter is less than the top external diameter; The undergauge place forms the shaft shoulder (29), and cutting runner (1) is placed in the bottom of pump shaft (4) and upwards withstands the shaft shoulder (29), is provided with key (3) between cutting runner (1) and the pump shaft (4); The lower axial end place of pump shaft (4) is provided with fastening piece (23) and upwards withstands cutting runner (1), and cutting disk (2) is fixed in the pump housing (6) bottom surface through bolt (5).
2. dismountable pump according to claim 1 is used cutting device; It is characterized in that described cutting runner (1) is by the wheel seat (9) of circle centre position, around the wheel rim (10) of wheel seat and some arm (11) the one formations of taking turns that radially connect wheel seat and wheel rim; Said wheel seat (9) center is provided with the axis hole (13) of band keyway (12); Adjacent wheels arm (11) and corresponding wheel rim (10) are around forming water passage hole (8); Said arm (11) bottom surface one side margin of taking turns forms cutting edge a (7) radially, and wheel arm (11) sidewall of cutting edge a (7) one sides forms wedge shape knife face (14) up.
3. dismountable pump according to claim 2 is used cutting device, it is characterized in that fit corresponding water passage hole (8) mural margin on the end face of cutting runner (1) of described cutting disk (2) is provided with radially cutting edge b (15) and circumferential cutting edge c (16).
4. dismountable pump according to claim 3 is used cutting device; It is characterized in that described cutting disk (2) is by the dish seat (17) of circle centre position, around the coil (18) of dish seat and some dish arms (19) one formation of land seat and coil radially; Adjacent disc arm (19) and corresponding coil (18) are around forming water passage hole (8); Said dish arm (19) end face one side margin forms cutting edge b (15) radially; Dish arm (19) sidewall of cutting edge b one side forms wedge shape knife face (14) down; Coil (18) inside top surface edge forms circumferential cutting edge c (16), and coil (18) madial wall of cutting edge c one side forms wedge shape knife face (14) down, and coil (18) is gone up around being circumferentially with some lugs (20); Perforate on the said lug (28) construction bolt (5) is fixedly connected with the pump housing (6) bottom surface, and the pump housing (6) bottom surface has corresponding mounting hole.
5. dismountable pump according to claim 4 is used cutting device; It is characterized in that described coil (18) upper edge, bottom surface is circumferentially with some grooves (21), said groove two ends are two breach of formation on the inboard wedge shape knife face (14) of coil (18) and coil (18) outer side wall respectively.
6. dismountable pump according to claim 5 is used cutting device; It is characterized in that described coil (18) end face is provided with along circumferential continuous annular ridge (22); Said fin (22) is separated into the end face of cutting disk (2) cutting surface and the fixing round table surface of the outside applying pump housing (6) of the inboard cutting runner (1) of fitting; Cutting surface is lower than round table surface, the internal diameter of fin (22) and the corresponding respectively installation dimension of mating cutting runner (1) and the pump housing (6) bottom surface of external diameter.
7. dismountable pump according to claim 6 is used cutting device; It is characterized in that described fastening piece (23) is a screw; Have corresponding screw on the axle head bottom surface of pump shaft (4) bottom; Said screw passes a packing ring (26) and is screwed into screw packing washer (26) and upwards withstands cutting runner (1), and dish seat (17) center has the mounting hole (24) of corresponding screw.
8. dismountable pump according to claim 6 is used cutting device; It is characterized in that described fastening piece (23) is a nut; The axle head of pump shaft (4) bottom is provided with corresponding outside thread; The axle head of pump shaft (4) is with a packing ring (26), and the axle head packing washer (26) that said nut is screwed in pump shaft (4) upwards withstands cutting runner (1), and dish seat (17) center has the mounting hole (24) of corresponding nut.
9. use cutting device according to claim 7 or 8 described dismountable pumps; It is characterized in that the corresponding axis hole in described wheel seat (9) bottom surface (13) locates to be provided with the indent counterbore (25) greater than the axis hole aperture; The bottom surface of said counterbore (25) is the round table surface (27) of annular, and said packing ring (26) is close to round table surface (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201946873U CN202520615U (en) | 2012-04-28 | 2012-04-28 | Detachable cutting device for pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201946873U CN202520615U (en) | 2012-04-28 | 2012-04-28 | Detachable cutting device for pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202520615U true CN202520615U (en) | 2012-11-07 |
Family
ID=47103567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201946873U Expired - Lifetime CN202520615U (en) | 2012-04-28 | 2012-04-28 | Detachable cutting device for pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202520615U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776046A (en) * | 2014-01-14 | 2015-07-15 | 上海熊猫机械(集团)有限公司 | Pump cutting device having cutting and diversion functions |
| CN106351851A (en) * | 2015-07-15 | 2017-01-25 | 台州新宏基泵业有限公司 | Duplex sewage and dirt submersible electric pump |
| CN110500289A (en) * | 2019-09-29 | 2019-11-26 | 浙江青霄科技股份有限公司 | A kind of detachable multiple-use way sewage electric pump |
-
2012
- 2012-04-28 CN CN2012201946873U patent/CN202520615U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776046A (en) * | 2014-01-14 | 2015-07-15 | 上海熊猫机械(集团)有限公司 | Pump cutting device having cutting and diversion functions |
| CN106351851A (en) * | 2015-07-15 | 2017-01-25 | 台州新宏基泵业有限公司 | Duplex sewage and dirt submersible electric pump |
| CN110500289A (en) * | 2019-09-29 | 2019-11-26 | 浙江青霄科技股份有限公司 | A kind of detachable multiple-use way sewage electric pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |