CN204113735U - A kind of double shrouded wheel - Google Patents
A kind of double shrouded wheel Download PDFInfo
- Publication number
- CN204113735U CN204113735U CN201420528357.2U CN201420528357U CN204113735U CN 204113735 U CN204113735 U CN 204113735U CN 201420528357 U CN201420528357 U CN 201420528357U CN 204113735 U CN204113735 U CN 204113735U
- Authority
- CN
- China
- Prior art keywords
- blade
- link
- assembly
- loop bar
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of novel double shrouded wheel, aim to provide a kind of blade and the dismountable double shrouded wheel of cover plate, described blade is embedded in front shroud, and blade around central axis all with distribution, back shroud axial centerline is provided with the joint for connecting pump, described blade has the through hole passed for assembly, described blade is connected respectively by assembly with back shroud and front shroud, described close axial centerline is provided with fixing-assembly, fixing-assembly and front shroud are with back shroud and are fixedly connected with, and fixing-assembly and blade removably connect.
Description
Technical field
The utility model relates to a kind of impeller manufacturing technology field, and more particularly, it relates to a kind of double shrouded wheel.
Background technique
At present, the impeller on market mainly contains three kinds, is unshrouded impeller respectively, half-opened impeller and double shrouded wheel, double shrouded wheel is made up of blade and forward and backward cover plate, and in centrifugal pump, application is at most, be suitable for carrying clear water, the clean liquid not containing particle that the viscositys such as solution are less.
Although the efficiency of this double shrouded wheel is higher, manufacture difficulty is comparatively large, and blade quantity is fixed, can not the quantity of adjusting vane, thus can not regulate the efficiency of impeller, and impeller is difficult to cleaning after clogging.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of and manufactures simple, and blade quantity is adjustable and be easy to a kind of double shrouded wheel of clearing up.
For achieving the above object, the utility model provides following technological scheme: a kind of double shrouded wheel, comprise blade and cover plate, described cover plate comprises back shroud and front shroud, described blade is between front shroud and back shroud, and blade is uniformly distributed around cover plate central axis, back shroud axial centerline is provided with the joint for connecting pump, it is characterized in that: described blade is connected by assembly with back shroud and front shroud, described close cover plate central axial location is provided with fixing-assembly, fixing-assembly and front shroud are with back shroud and are fixedly connected with, fixing-assembly and blade removably connect,
Shown assembly comprises loop bar and screw rod, described loop bar one end is provided with nut, the loop bar the other end is provided with tapped hole, and tapped hole and loop bar are coaxially arranged, described blade and cover plate are equipped with the through hole for wearing for loop bar, described loop bar is located in through hole, and loop bar is provided with the first elastic structure for fastening cover plate and blade near nut position, and described screw rod is threaded with tapped hole.
By adopting technique scheme, described blade is connected by assembly with cover plate, make blade and cover plate detachable, front shroud can be connected with back shroud by fixing-assembly, and fixing-assembly and removably connecting of blade can make fixing-assembly be fixed blade, cover plate and blade can be coupled together formation double shrouded wheel by this structure, removable structure can make blade exchanging, various piece can manufacture separately, reduce manufacture difficulty, and blade quantity also can oneself control, employing assembly connects, the intensity of blade is strengthened to a certain extent to some extent, realize impeller blade quantity adjustable, thus reach the efficiency regulating impeller, make impeller can mate the pump of multiple power, joint is connected with rotating shaft, rotating shaft is power resources, vane rotary can be made by joint, detachable impeller can make the cleaning of impeller become simple,
The described tapped hole that arranged by loop bar and screw rod carry out connection can make that screw rod is unnecessary to be stretched, and prevent the long use to impeller of screw rod from impacting, elastic structure can have fastening effect to whole connection.
The utility model is set to further: described fixing-assembly comprises link, described link one end is provided with the fixed block for fixing back shroud, the link the other end is provided with for being locked and fastening fastening lock fixed structure by front shroud, described fixed block is fixedly connected with link, back shroud offers draw-in groove, and fixed block is embedded in draw-in groove, and described front shroud is provided with the groove for being embedded fastening lock fixed structure, described blade is provided with groove near central shaft line end, and link is embedded in described groove.
By adopting technique scheme, described fixed block can make back shroud be connected with link, fastening lock fixed structure can by front shroud and back shroud fastening and lock, draw-in groove can coordinate with fixed block the fastening locking of back shroud, the groove that blade is provided with can coordinate with link, and the link be embedded in groove can lock leaf position, prevent blade from rotating around described assembly.
The utility model is set to further: described fastening lock fixed structure comprises stop block, locking spring and lock handle, described stop block is fixedly connected with link, and stop block is positioned at link one end relative with fixed block, lock handle is hollow structure, and lock handle is located on link, stop block is positioned at lock handle, and locking both ends of the spring is conflicted with stop block and lock handle respectively and is connected, and lock handle is embedded in groove.
By adopting technique scheme, described stop block can prevent lock handle from dropping out link, stop block can coordinate with locking spring carries out fastening to front and rear cover plate, lock handle can conveniently mount and dismount link, and provide a conflict plate can to locking spring, lock handle is embedded in the slip that effectively can prevent lock handle in groove, thus effectively locks the carrying out of front and rear cover plate.
The utility model is set to further: described first elastic structure comprises spring and packing ring, and described spring and packing ring are all set on loop bar, and both ends of the spring is conflicted with packing ring and nut respectively and is connected, and packing ring is conflicted with front shroud and is connected.
By adopting technique scheme, described spring to be contacted with cover plate by packing ring and increases area of contact, prevent spring from damaging cover plate, cover plate is increased working life, spring can stretch, there is elasticity, effectively can carry out fastening locking to cover plate, adds somewhat to the shockproof properties of double shrouded wheel.
The utility model is set to further: described screw rod is provided with second elastic structure identical with the first elastic structure.
By adopting technique scheme, described first, screw rod two ends are equipped with elastic structure, and that the connection of front shroud, blade and back shroud can be made to obtain is fastening fully, and the existence of elastic structure can make impeller increase shockproof properties to a certain extent, makes increase the working life of whole impeller.
Accompanying drawing explanation
Fig. 1 is the explosive view of a kind of double shrouded wheel embodiment of the utility model;
Fig. 2 is the sectional view of a kind of double shrouded wheel embodiment of the utility model assembly connection part;
Fig. 3 is the sectional view at a kind of double shrouded wheel embodiment connection part of the utility model position.
Reference character: 1, back shroud; 11, draw-in groove; 12, joint; 2, front shroud; 21, groove; 3, blade; 31, through hole; 32, groove; 4, assembly; 41, loop bar; 42, screw rod; 43, packing ring; 44, spring; 5, link; 51, fixed block; 52, stop block; 53, lock handle; 54, spring is locked.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of double shrouded wheel embodiment of the utility model is described further.
As shown in Figure 1 to Figure 3, a kind of double shrouded wheel, comprise blade 3 and cover plate, cover plate comprises back shroud 1 and front shroud 2, described blade 3 is between front shroud 2 and back shroud 1, and blade 3 is uniformly distributed around cover plate central axis, back shroud 1 axial centerline is provided with the joint 12 for connecting pump, described blade 3 and cover plate all have the through hole 31 passed for assembly 4, described blade 3 is connected by assembly 4 with back shroud 1 and front shroud 2, described assembly 4 comprises loop bar 41 and screw rod 42, described loop bar 41 one end is provided with nut, loop bar 41 the other end central position is provided with tapped hole, the screw surface of described loop bar 41 is smooth, and loop bar 41 is provided with fastening elastic structure near nut position, screw rod 42 is common screw, described screw rod 42 coordinates with tapped hole, described close cover plate central axial location is provided with fixing-assembly, and fixing-assembly and front shroud 2 are with back shroud 1 and are fixedly connected with, and fixing-assembly and blade 3 removably connect, described fixing-assembly comprises link 5, described link 5 one end is provided with the fixed block 51 for fixing back shroud 1, link 5 the other end is provided with for being locked by front shroud 2 and fastening fastening lock fixed structure, described fixed block 51 is fixedly connected with link 5, back shroud 1 offers draw-in groove 11, and fixed block 51 is embedded in draw-in groove 11, and described front shroud 2 is provided with the groove 21 for being embedded fastening lock fixed structure, described blade 3 is provided with groove 32 near central shaft line end, and link 5 is embedded in described groove 32.
Described blade 3 is connected by assembly 4 with cover plate, make blade 3 and cover plate detachable, the described tapped hole that arranged by loop bar 41 by loop bar 41 and screw rod 42 carry out connection can make that screw rod is unnecessary to be stretched, prevent the long use to impeller of screw rod from impacting, elastic structure can have fastening effect to whole connection, front shroud 2 can be connected with back shroud 1 by fixing-assembly, and fixing-assembly and removably connecting of blade 3 can make fixing-assembly be fixed blade 3, cover plate and blade 3 can be coupled together formation double shrouded wheel by this structure, removable structure can make blade 3 change, various piece can manufacture separately, reduce manufacture difficulty, and blade 3 quantity also can oneself control, assembly 4 is adopted to connect, the intensity of blade 3 is strengthened to a certain extent to some extent, realize impeller blade 3 quantity adjustable, joint 12 is connected with rotating shaft, rotating shaft is power resources, vane rotary can be made by joint 12, described fixed block 51 can make back shroud 1 be connected with link 5, fastening lock fixed structure can by front shroud 2 and back shroud 1 fastening and lock, draw-in groove 11 can coordinate the fastening locking of back shroud 1 with fixed block 51, the groove 32 that blade 3 is provided with can coordinate with link 5, and the link 5 be embedded in groove 32 can lock blade 3 position, prevent blade 3 from rotating around described assembly 4.
Described fastening lock fixed structure comprises stop block 52, locking spring 54 and lock handle 53, described stop block 52 is fixedly connected with link 5, and stop block 52 is positioned at link 5 one end relative with fixed block 51, lock handle 53 is hollow structure, and lock handle 53 is located on link 5, stop block 52 is positioned at lock handle 53, and conflict with stop block 52 and lock handle 53 respectively and be connected in locking spring 54 two ends, lock handle 53 is embedded in groove 21.
Described stop block 52 can prevent lock handle 53 from dropping out link 5, stop block 52 can coordinate with locking spring 54 carries out fastening to front and rear cover plate 1, lock handle 53 can conveniently mount and dismount link 5, and provide a conflict plate can to locking spring 54, lock handle 53 is embedded in the slip that effectively can prevent lock handle 53 in groove 21, thus effectively locks the carrying out of front and rear cover plate 1.
Described screw rod 42 is provided with second elastic structure identical with loop bar 41 structure; Described elastic structure comprises spring 44 and packing ring 43, and described spring 44 and packing ring 43 are all set on loop bar 41, and conflicts with packing ring 43 and nut respectively and be connected in spring 44 two ends, and packing ring 43 is conflicted with front shroud 2 and is connected.
Described loop bar 41 and screw rod 42 two ends are equipped with elastic structure, and that the connection of front shroud 2, blade 3 and back shroud 1 can be made to obtain is fastening fully; Described spring 44 to be contacted with cover plate by packing ring 43 and increases area of contact, prevent spring 44 pairs of cover plates from damaging, cover plate is increased working life, spring 44 can stretch, there is elasticity, effectively can carry out fastening locking to cover plate, adds somewhat to the shockproof properties of double shrouded wheel, the working life of whole impeller is increased.
Preferably, described groove 21 and draw-in groove 11 are equipped with the opening for being embedded by link 5; Described assembly 4 is corresponding with blade 3 quantity with fixing-assembly quantity.
Preferably, described front shroud 2 and back shroud 1 can arrange the counterbore for the nut on hiding assembly 4, also can add containment vessel, prevent assembly 4 pairs of impeller work from impacting.
Preferably, described second elastic structure can be replaced by the combination of spring washer and plain washer.
The above makes preferred implementation of the present utility model, and under not departing from the prerequisite of the utility model principle for the person of ordinary skill of the art, can also make some modification and improvement, these also should be considered as protection domain of the present utility model.
Claims (5)
1. a double shrouded wheel, comprise blade and cover plate, described cover plate comprises back shroud and front shroud, described blade is between front shroud and back shroud, and blade is uniformly distributed around cover plate central axis, back shroud axial centerline is provided with the joint for connecting pump, it is characterized in that: described blade is connected by assembly with back shroud and front shroud, described close cover plate central axial location is provided with fixing-assembly, fixing-assembly and front shroud are with back shroud and are fixedly connected with, and fixing-assembly and blade removably connect;
Shown assembly comprises loop bar and screw rod, described loop bar one end is provided with nut, the loop bar the other end is provided with tapped hole, and tapped hole and loop bar are coaxially arranged, described blade and cover plate are equipped with the through hole for wearing for loop bar, described loop bar is located in through hole, and loop bar is provided with the first elastic structure for fastening cover plate and blade near nut position, and described screw rod is threaded with tapped hole.
2. a kind of double shrouded wheel according to claim 1, it is characterized in that: described fixing-assembly comprises link, described link one end is provided with the fixed block for fixing back shroud, the link the other end is provided with for being locked and fastening fastening lock fixed structure by front shroud, described fixed block is fixedly connected with link, back shroud offers draw-in groove, fixed block is embedded in draw-in groove, described front shroud is provided with the groove for being embedded fastening lock fixed structure, described blade is provided with groove near central shaft line end, and link is embedded in described groove.
3. a kind of double shrouded wheel according to claim 2, it is characterized in that: described fastening lock fixed structure comprises stop block, locking spring and lock handle, described stop block is fixedly connected with link, and stop block is positioned at link one end relative with fixed block, lock handle is hollow structure, and lock handle is located on link, and stop block is positioned at lock handle, locking both ends of the spring is conflicted with stop block and lock handle respectively and is connected, and lock handle is embedded in groove.
4. a kind of double shrouded wheel according to claim 1, it is characterized in that: described first elastic structure comprises fastening spring and packing ring, described fastening spring and packing ring are all set on loop bar, and conflict with packing ring and nut respectively and be connected in fastening spring two ends, and packing ring is conflicted with front shroud and is connected.
5. a kind of double shrouded wheel according to claim 4, is characterized in that: described screw rod is provided with second elastic structure identical with the first elastic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528357.2U CN204113735U (en) | 2014-09-15 | 2014-09-15 | A kind of double shrouded wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528357.2U CN204113735U (en) | 2014-09-15 | 2014-09-15 | A kind of double shrouded wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113735U true CN204113735U (en) | 2015-01-21 |
Family
ID=52331049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420528357.2U Expired - Fee Related CN204113735U (en) | 2014-09-15 | 2014-09-15 | A kind of double shrouded wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794999A (en) * | 2020-07-28 | 2020-10-20 | 金官根 | Water pump convenient to clean and using method thereof |
| WO2020237788A1 (en) * | 2019-05-24 | 2020-12-03 | 苏州赫尔拜斯泵业有限公司 | Closed impeller for easy disassembly |
-
2014
- 2014-09-15 CN CN201420528357.2U patent/CN204113735U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020237788A1 (en) * | 2019-05-24 | 2020-12-03 | 苏州赫尔拜斯泵业有限公司 | Closed impeller for easy disassembly |
| CN111794999A (en) * | 2020-07-28 | 2020-10-20 | 金官根 | Water pump convenient to clean and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20170915 |