CN204113736U - Pump class single shrouded wheel - Google Patents
Pump class single shrouded wheel Download PDFInfo
- Publication number
- CN204113736U CN204113736U CN201420529013.3U CN201420529013U CN204113736U CN 204113736 U CN204113736 U CN 204113736U CN 201420529013 U CN201420529013 U CN 201420529013U CN 204113736 U CN204113736 U CN 204113736U
- Authority
- CN
- China
- Prior art keywords
- blade
- front shroud
- shroud
- groove
- shrouded wheel
- 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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Abstract
The utility model discloses a kind of pump class single shrouded wheel, comprise front shroud, back shroud, locking device and blade, described blade is embedded between front shroud and back shroud, the impeller that described front shroud part overlaid is firmly made up of blade, described blade is connected on described back shroud, the impeller that described front shroud forms with blade is threaded, radial location blade after described front shroud is threaded with impeller, described locking device axially locating front shroud, the utility model pump class single shrouded wheel tool long service life, easy accessibility, the advantage of adjustable vane quantity.
Description
Technical field
The utility model relates to a kind of impeller manufacturing technology field, and more particularly, it relates to a kind of pump class single shrouded wheel.
Background technique
The impeller of pump can be divided into unshrouded impeller by its mechanical structure, single shrouded wheel and double shrouded wheel, and double shrouded wheel is applicable to carry clean liquid; Half-closed and unshrouded impeller is applicable to carry the suspension containing solid particle.Single shrouded wheel is made up of blade and forward and backward cover plate, the impeller that front shroud part overlaid is firmly made up of blade, it is the material conveying passage that enclosed shape top is semiclosed shape that back shroud, blade, front shroud three combine rear formation bottom, and its middle and upper part is the visible blade of inlet part of the material conveying passage of semiclosed shape.It possesses unshrouded impeller and half-opened impeller feature, when supplied materials is not enough, still normally can works, have both again the advantage that double shrouded wheel efficiency is high.Single shrouded wheel in the market is all integrated casting, and its blade quantity fixes and in blade, front shroud or back shroud, any one just cannot continue after damaging to use.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of dismountable pump class single shrouded wheel.
For achieving the above object, the utility model provides following technological scheme: a kind of pump class single shrouded wheel, comprise front shroud, back shroud and blade, described blade is located between front shroud and back shroud, the impeller that described front shroud part overlaid is firmly made up of blade, it is characterized in that: described blade sliding type is connected on described back shroud, described front shroud is threadedly connected to impeller relative to the opposite side end face be connected with back shroud, is provided with the locking device for axially locating impeller between described impeller and front shroud.
By adopting technique scheme, blade sliding type is connected on back shroud, it is detachable that the impeller that front shroud and blade form is threaded and realizes between blade and front shroud and back shroud, thus make the utility model pump class single shrouded wheel have dismountable function, in blade, front shroud or back shroud, any one only need change the part of damage after damaging, improve working life, use locking device axially locating front shroud simultaneously, make the utility model pump class single shrouded wheel in use front shroud can not loosen and even come off; Meanwhile, clamping and the mode that is threaded is used to make the utility model pump class single shrouded wheel easy accessibility, quick.
The utility model is set to further: the end face that described blade coordinates with back shroud is provided with L-shaped fixture block; Described back shroud is provided with the number draw-in groove identical with fixture block and the position one_to_one corresponding of draw-in groove and fixture block is arranged, described draw-in groove comprises the first groove and the second groove, described second groove is communicated with into L-shaped structure with the first groove, and described second groove is positioned at back shroud inside.
By adopting technique scheme, the L-shaped card on blade inserts from the first groove soon, then end tab position fast for L-shaped card is snapped in the second groove the clamping realized between blade and back shroud; Simultaneously can according to different increases in demand or the quantity reducing blade.
The utility model is set to further: the bi-side of described fixture block are curved surface.
By adopting technique scheme, fast for card side being set as curved surface and making card be circular arc soon thus make the utility model pump class single shrouded wheel block fast bearing capacity in use more by force, make card connection part that is fast and compressing not easily deform bending.
The utility model is set to further: the inner circle end face of described front shroud is provided with internal thread, the end face that described blade abuts with front shroud is provided with projection, the one side of described projection is provided with outside thread, and the axis of external thread on described blade is the central axis of front shroud.
By adopting technique scheme, multiple blade is connected to after on back shroud and forms impeller, front shroud is threaded with the impeller be made up of blade and fixes blade simultaneously and then lock blade and back shroud, thus realize the integrated connection of the utility model pump class single shrouded wheel, use this structure installment convenient and be connected firmly.
The utility model is set to further: described locking device includes internal gear and the external gear of mutual one way engagement, described internal gear is positioned on the inner circle end face of front shroud, described external gear is that annulus is arranged, the projection of blade described in each is equipped with tapped hole and described tapped hole towards front shroud side, described external gear is connected by tapped hole bolt with between blade.
By adopting technique scheme, blade is threaded an external gear arranged in annulus, and the internal gear be meshed with external gear is set on the inner circle end face of front shroud, to be meshed with the internal gear on front shroud to make front shroud axial restraint by being fixed on external gear on blade, ensure that front shroud in use can not come off because connection loosens.
The utility model pump class single shrouded wheel tool long service life, easy accessibility, the advantage of adjustable vane quantity.
Accompanying drawing explanation
Fig. 1 is the plan view of pump class single shrouded wheel;
Fig. 2 is the main sectional view of pump class single shrouded wheel;
Fig. 3 is the structural representation of back shroud;
Fig. 4 is the structural representation of blade;
Fig. 5 is the plan view of external gear.
Reference character: 1, front shroud; 11, internal gear; 2, blade; 21, projection; 22, card is fast; 23, tapped hole; 3, back shroud; 31, draw-in groove; 311, the first groove; 312, the second groove; 4 external gears; 41, through hole.
Embodiment
Referring to figs. 1 through Fig. 5, the utility model pump class single shrouded wheel is further illustrated.
As shown in Figures 1 to 5, a kind of pump class single shrouded wheel, comprise front shroud 1, back shroud 3, external gear 4 and four blades 2, described blade 2 is embedded between front shroud 1 and back shroud 3, the impeller that described front shroud 1 part overlaid is firmly made up of blade 2, described blade 2 sliding type is connected on described back shroud 3, the end face that described blade 2 abuts with back shroud 3 is provided with two L-shaped fixture blocks, the width of described card fast 22 is determined by thickness blade 2 being arranged fast 22 positions of card, fast 22 thickness of described card are not more than thickness blade 2 being arranged fast 22 positions of card, arrange two cards fast 22 prevent blade 2 from rocking and strengthen the join strength of blade 2 and back shroud 3, described back shroud 3 is provided with draw-in groove 31, described draw-in groove 31 and described card fast 22 respectively one_to_one corresponding are arranged, described draw-in groove 31 matches with corresponding card fast 22 respectively, described draw-in groove 31 comprises the first groove 311 and the second groove 322, it is inner that described second groove 322 is positioned at back shroud 3, described second groove 322 is communicated with into L-shaped structure with the first groove 311, and described card fast 22 can insert in the first groove 311, insert the first groove 311 fast for card 22, then the end tab position of fast for L-shaped card 22 is snapped in the second groove 322 clamping realized between blade 2 and back shroud 3, described pocket set is uniformly distributed around the central axis of back shroud 3.
The bi-side of described fixture block are curved surface, the bi-side of described first groove 311 and the second groove 322 are curved surface, the radian of the side of the side of described card fast 22 and the first groove 311 and the second groove 322 is identical, fast for card 22 sides are set as curved surface make card fast 22 in circular arc thus make the utility model pump class single shrouded wheel block the bearing capacity of fast 22 in use more by force, make card fast 22 not easily deform bending with the connection part of compressing.
The inner circle end face of described front shroud 1 is provided with internal thread, the end face that described blade 2 abuts with front shroud 1 is provided with projection 21, on described projection 21, the end face of front shroud 1 central shaft is provided with outside thread dorsad, axis of external thread on described blade 2 is the central axis of front shroud 1, outside thread on described blade 2 is a part for overall screw thread, outside thread on each blade 2 of the utility model pump class single shrouded wheel is all not identical, described front shroud 1 is threaded with the impeller be made up of blade 2, multiple blade 2 is connected to after on back shroud 3 and forms impeller, front shroud 1 is threaded with the impeller be made up of blade 2 and fixes blade 2 simultaneously and then lock blade 2 and back shroud 3, thus realize the integrated connection of the utility model pump class single shrouded wheel, use this structure installment convenient and be connected firmly.
Described locking device includes internal gear 11 and the external gear 4 of mutual one way engagement, described internal gear 11 is positioned on the inner circle end face of front shroud 1, the width sum of the internal thread on the facewidth of described internal gear 11 and front shroud 1 equals the thickness of front shroud 1, described external gear 4 is arranged in annulus, the projection 21 of blade 2 described in each is equipped with tapped hole 23 and described tapped hole 23 towards front shroud 1 side, described external gear 4 is connected by tapped hole 23 bolt with between blade 2; After installing blade 2, front shroud 1 and back shroud 3, external gear 4 is arranged on blade 2, to be meshed with the internal gear 11 on front shroud 1 to make front shroud 1 axial restraint by being fixed on external gear 4 on blade 2, ensure that front shroud 1 in use can not come off because connection loosens.
The end face of described external gear 4 is provided with through hole 42 and bolt 41, and described projection is provided with tapped hole 23, and described bolt 41 is connected with tapped hole 23 through through hole 42; The utility model pump class single shrouded wheel can according to different increases in demand or the quantity reducing blade 2.
The above makes preferred implementation of the present utility model; under not departing from the prerequisite of the utility model principle for the person of ordinary skill of the art; some modification and improvement can also be made; such as fast for card 22 and draw-in groove 31 side can be set as plane; can increase pocket set quantity etc., these also should be considered as protection domain of the present utility model.
Claims (5)
1. a pump class single shrouded wheel, comprise front shroud, back shroud and blade, described blade is located between front shroud and back shroud, the impeller that described front shroud part overlaid is firmly made up of blade, it is characterized in that: described blade sliding type is connected on described back shroud, described front shroud is threadedly connected to impeller relative to the opposite side end face be connected with back shroud, is provided with the locking device for axially locating impeller between described impeller and front shroud.
2. pump class single shrouded wheel according to claim 1, is characterized in that: the end face that described blade coordinates with back shroud is provided with L-shaped fixture block; Described back shroud is provided with the number draw-in groove identical with fixture block and the position one_to_one corresponding of draw-in groove and fixture block is arranged, described draw-in groove comprises the first groove and the second groove, described second groove is communicated with into L-shaped structure with the first groove, and described second groove is positioned at back shroud inside.
3. pump class single shrouded wheel according to claim 2, is characterized in that: the bi-side of described fixture block are curved surface.
4. pump class single shrouded wheel according to claim 1, it is characterized in that: the inner circle end face of described front shroud is provided with internal thread, the end face that described blade coordinates with front shroud is provided with projection, the one side of described projection is provided with outside thread, and the axis of external thread on described blade is the central axis of front shroud.
5. pump class single shrouded wheel according to claim 1, it is characterized in that: described locking device includes internal gear and the external gear of mutual one way engagement, described internal gear is positioned on the inner circle end face of front shroud, described external gear is that annulus is arranged, the projection of blade described in each is equipped with tapped hole and described tapped hole towards front shroud side, described external gear is connected by tapped hole bolt with between blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529013.3U CN204113736U (en) | 2014-09-15 | 2014-09-15 | Pump class single shrouded wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529013.3U CN204113736U (en) | 2014-09-15 | 2014-09-15 | Pump class single shrouded wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113736U true CN204113736U (en) | 2015-01-21 |
Family
ID=52331050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420529013.3U Expired - Fee Related CN204113736U (en) | 2014-09-15 | 2014-09-15 | Pump class single shrouded wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285923A (en) * | 2016-07-29 | 2017-01-04 | 中国北方发动机研究所(天津) | A kind of turbocharger seals gets rid of oil structure |
-
2014
- 2014-09-15 CN CN201420529013.3U patent/CN204113736U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285923A (en) * | 2016-07-29 | 2017-01-04 | 中国北方发动机研究所(天津) | A kind of turbocharger seals gets rid of oil structure |
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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 |