CN209012119U - A kind of immersible pump double shrouded wheel of injection molding - Google Patents
A kind of immersible pump double shrouded wheel of injection molding Download PDFInfo
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- CN209012119U CN209012119U CN201821868822.1U CN201821868822U CN209012119U CN 209012119 U CN209012119 U CN 209012119U CN 201821868822 U CN201821868822 U CN 201821868822U CN 209012119 U CN209012119 U CN 209012119U
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- shroud
- blade
- injection molding
- immersible pump
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Abstract
The utility model discloses a kind of immersible pump double shrouded wheels of injection molding, the immersible pump double shrouded wheel of the injection molding is fastened by the hub disk of injection molding and the shroud of injection molding, it is formed by connecting, the hub disk includes disk body, several blades for protruding from disc surfaces are equipped on disk body, there is the shroud counterface coincideing with shroud on blade, the connection plug for protruding from shroud counterface is equipped on the shroud counterface of blade, it is equipped with and connection plug number on shroud, position and the corresponding connection jack of shape, the packing groove that will connect jack encirclement is equipped with backwards to the surface of blade side in shroud, connection plastic body is filled in packing groove, the immersible pump double shrouded wheel non-welding structure of the injection molding, welding performance no requirement (NR) to the engineering plastics of production impeller, impeller intensity is high, shock resistance is good, service life It is long.
Description
Technical field
The utility model relates to a kind of submersible pump impeller, especially a kind of immersible pump enclosed leaf produced using Shooting Technique
Wheel.
Background technique
Immersible pump double shrouded wheel in the prior art mostly uses cast iron to be made, this cast iron impeller due to own wt compared with
Greatly, biggish torque is needed when starting, can also consume certain electric energy when be easy to causeing motor overload, also, working normally, because
This, energy-saving effect is bad.In addition, this cast iron impeller mostly uses sand casting, there are machines to add dead angle for impeller internal, causes impeller
Inner surface finish is bad, influences the efficiency of impeller.In order to overcome this drawback of cast iron impeller, part water pump uses engineering
Impeller is made in plastics, and still, due to the special angle of blade in production process, will lead to can not after the molding of impeller integral molded plastic
Therefore draft can only produce the relatively simple plastic impeller of some structures, be not able to satisfy production high-efficiency submersible pump double shrouded wheel
It is required that limiting the production and application of plastic impeller.203906378 U of CN discloses a kind of blade wheel structure of pump, the leaf of the pump
Wheel construction has the front shroud of impeller of axial inlet including middle part and the back shroud of impeller for being connected with pump motor shaft,
Front shroud of impeller is mutually fastened with back shroud of impeller, is had between front shroud of impeller and back shroud of impeller and is connected to axial inlet
Radially outlet, back shroud of impeller are located at the blade on the side of front shroud of impeller with several radially uniform distributions, radially outlet
It for several and is located between two adjacent blades, has between the end face and front shroud of impeller of blade for by impeller front cover
The connection structure that plate and back shroud of impeller link together, the impeller use ultrasonic welding process by front shroud of impeller, rear cover
Plate and blade weld together composition impeller.But it is larger using the impeller internal stress that this ultrasonic welding process is produced,
It is easy to be broken in weld part when impeller generates vibration in use process.In addition, usually being wanted to increase the intensity of engineering plastics
Reinforcing glass fiber is added into PPS plastics, and will affect PPS plastics welding performance after glass fibre is added, impeller is caused to exist
Welding difficulty in manufacturing process, and be easier to be broken in weld part in use process.
Utility model content
Utility model technical problems to be solved are: overcoming drawbacks described above of the existing technology, provide one kind and be molded into
The immersible pump double shrouded wheel of type, the immersible pump double shrouded wheel non-welding structure of the injection molding, to the engineering plastics of production impeller
Welding performance no requirement (NR), impeller intensity is high, shock resistance is good, long service life.
The technical solution adopted for solving the technical problem: a kind of immersible pump double shrouded wheel of injection molding, by injection molding
Hub disk and the shroud of injection molding fasten, be formed by connecting, the hub disk includes disk body, is equipped on disk body and several protrudes from disk
The blade in body surface face has the shroud counterface coincideing with shroud on blade, is equipped on the shroud counterface of blade
The connection plug for protruding from shroud counterface is equipped with company corresponding with connection plug number, position and shape on shroud
Jointing holes are equipped with the packing groove that will connect jack encirclement, the company of being filled in packing groove in shroud backwards to the surface of blade side
Connect plastic body.
Improvement as the utility model: the connection plug is the inverted wedge shape connection plug that end is wide, root is narrow.
As further improvement of the utility model: across pitch is at least provided with two companies on the shroud counterface of blade
Plug.
Further improvement as the utility model: the packing groove sets for the trend along blades front disk counterface
The long and narrow packing groove set, can all surrounded the corresponding connection jack of same blade.
Another kind as the utility model improves: blade positioning convex platform is equipped on the shroud counterface of blade,
Shroud is equipped with the blade positioning groove matched with blade positioning convex platform with the connecting side of blade.
Another improvement as the utility model: it is equipped with choma in centre bit of the shroud backwards to blade side, in choma
Excircle stud with abrasion-resistant metal ring, abrasion-resistant metal ring inner peripheral surface be equipped at least one of annular fixing groove.
The utility model has the advantages that the immersible pump double shrouded wheel of the injection molding of the utility model, due to using the double shrouded wheel
It fastened, be formed by connecting by the hub disk of injection molding and the shroud of injection molding, the hub disk includes disk body, if being equipped on disk body
The dry blade for protruding from disc surfaces has the shroud counterface coincideing with shroud on blade, cooperates in the shroud of blade
End face is equipped with the connection plug for protruding from shroud counterface, is equipped with and connection plug number, position and shape on shroud
Corresponding connection jack is equipped with the packing groove that will connect jack encirclement in shroud, in packing groove backwards to the surface of blade side
In be filled with the technical solution of connection plastic body, blade and shroud are tensed and the company that locks from the back side of shroud with connection plastic body
Be connected into integral structure, thus make shroud, hub disk be assembled into welding injection molding immersible pump double shrouded wheel, therefore, this
The immersible pump double shrouded wheel of the injection molding of utility model is with connection this structure of plastic body instead of ultrasound in the prior art
Wave welding procedure, the welding performance no requirement (NR) to the engineering plastics of production impeller, thus using plus the PPS material of glass can also be with
Water pump vane is produced, the impeller internal stress produced is small, and intensity is high, and shock resistance is good, long service life.It is described due to using
Connection plug is the technical characteristic for the inverted wedge shape connection plug that end is wide, root is narrow, makes connection plug and the company for connecting plastic body
It connects stronger, blade can be effectively prevented and fallen off with shroud, make the immersible pump enclosed leaf of the injection molding of the utility model
Wheel work is more stable, and reliability is higher.Due to use on the shroud counterface of blade across pitch at least provided with two companies
The technical characteristic of plug, making the stress of blade, more evenly bearing capacity is stronger.Due to using the packing groove as along blade
The technology of long and narrow packing groove of shroud counterface moving towards setting, can all surrounding the corresponding connection jack of same blade
Feature not only makes the injected plastic into packing groove more convenient, and multiple connection plugs are integral with connection plastic body connection,
Keep the connection of blade and shroud stronger.Blade positioning convex platform is equipped on the shroud counterface of blade due to using,
Shroud is equipped with the technical characteristic of the blade positioning groove matched with blade positioning convex platform with the connecting side of blade, on the one hand makes to give birth to
The positioning of blade and shroud is more convenient, more accurate during production, and load when blade working is on the other hand carried using positioning convex platform
Lotus makes the carrying of the immersible pump double shrouded wheel of the injection molding of the utility model it is possible to prevente effectively from connection plug is broken
Ability is stronger.It is equipped with choma in centre bit of the shroud backwards to blade side due to using, studs with metal in the excircle of choma
Wear ring is equipped with the technical characteristic of at least one annular fixing groove in the inner peripheral surface of abrasion-resistant metal ring, makes to improve impeller
Antiwear characteristics characteristic keeps the scope of application of impeller wider.
Detailed description of the invention
The immersible pump double shrouded wheel of the injection molding of the utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the immersible pump double shrouded wheel structural schematic diagram of the injection molding of the utility model.
Specific embodiment
As shown in Figure 1, hub disk 4 and injection molding of the immersible pump double shrouded wheel of the injection molding of the utility model by injection molding
Molding shroud 3 fastens, is formed by connecting.It is equipped with choma 1 in centre bit of the shroud backwards to blade side, is inlayed in the excircle of choma
There is abrasion-resistant metal ring 6, is equipped at least one of annular fixing groove in the inner peripheral surface of abrasion-resistant metal ring.The hub disk includes disk body
13, it is equipped with several blades 5 for protruding from disc surfaces on disk body, there is the shroud counterface coincideing with shroud on blade
7, the connection plug 10 for protruding from shroud counterface is equipped on the shroud counterface of blade, the connection plug is end
Inverted wedge shape connection plug wide, root is narrow is equipped with connection corresponding with connection plug number, position and shape on shroud and inserts
Hole 12 is equipped with the packing groove 9 that will connect jack encirclement backwards to the surface of blade side in shroud, connection is filled in packing groove
Plastic body 2, connection plastic body fuse into one with connection plug, shroud.
Preferably, across pitch at least provided with two connection plugs, the packing groove is on the shroud counterface of blade
Along the long and narrow filler that moves towards setting, can all surround the corresponding connection jack of same blade of blades front disk counterface
Slot is equipped with blade positioning convex platform 8 on the shroud counterface of blade, is equipped in the connecting side of shroud and blade and positions with blade
The blade positioning groove 11 that boss matches.
The production method of the immersible pump double shrouded wheel of the injection molding of the utility model, comprises the following steps that:
Have vaned hub disk using Shooting Technique production, forms the shroud abutting end coincideing with shroud in the end of blade
Face forms the connection plug for protruding from shroud counterface on the shroud counterface of blade；
There is the shroud of connection jack using Shooting Technique production, being formed in shroud backwards to the surface of blade side will connection
The packing groove that jack surrounds；
It combines hub disk with shroud press fitting, hub disk and shroud is made to coincide, make connection plug insertion connection jack, connection plug
End face is not higher than shroud backwards to the surface of blade side, and the plastics for injecting into packing groove fusing fill and lead up packing groove, cooling
Connection plastic body is formed afterwards；
It polishes impeller surface burr, obtains the immersible pump double shrouded wheel finished product of injection molding.
Claims (6)
1. a kind of immersible pump double shrouded wheel of injection molding is fastened, connection by the hub disk of injection molding and the shroud of injection molding
It forms, the hub disk includes disk body, several blades for protruding from disc surfaces is equipped on disk body, it is characterized in that: on blade
With the shroud counterface coincideing with shroud, the company for protruding from shroud counterface is equipped on the shroud counterface of blade
Plug is equipped with connection jack corresponding with connection plug number, position and shape, in shroud backwards to blade one on shroud
The surface of side is equipped with the packing groove that will connect jack encirclement, and connection plastic body is filled in packing groove.
2. the immersible pump double shrouded wheel of injection molding according to claim 1, it is characterized in that: the connection plug is end
Inverted wedge shape connection plug wide, root is narrow.
3. the immersible pump double shrouded wheel of injection molding according to claim 2, it is characterized in that: in the shroud abutting end of blade
Across pitch is at least provided with two connection plugs on face.
4. the immersible pump double shrouded wheel of injection molding according to claim 3, it is characterized in that: the packing groove is along blade
The long and narrow packing groove that moves towards setting, can all surround the corresponding connection jack of same blade of shroud counterface.
5. the immersible pump double shrouded wheel of injection molding according to any one of claims 1 to 4, it is characterized in that: in blade
Shroud counterface is equipped with blade positioning convex platform, is equipped in shroud and the connecting side of blade and matches with blade positioning convex platform
Blade positioning groove.
6. the immersible pump double shrouded wheel of injection molding according to claim 5, it is characterized in that: in shroud backwards to blade side
Centre bit be equipped with choma, stud with abrasion-resistant metal ring in the excircle of choma, abrasion-resistant metal ring inner peripheral surface be equipped at least
One of annular fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821868822.1U CN209012119U (en) | 2018-11-14 | 2018-11-14 | A kind of immersible pump double shrouded wheel of injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821868822.1U CN209012119U (en) | 2018-11-14 | 2018-11-14 | A kind of immersible pump double shrouded wheel of injection molding |
Publications (1)
| Publication Number | Publication Date |
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| CN209012119U true CN209012119U (en) | 2019-06-21 |
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| CN201821868822.1U Active CN209012119U (en) | 2018-11-14 | 2018-11-14 | A kind of immersible pump double shrouded wheel of injection molding |
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| CN (1) | CN209012119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253108A (en) * | 2018-11-14 | 2019-01-22 | 刘子鸣 | A kind of the immersible pump double shrouded wheel and its production method of injection molding |
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2018
- 2018-11-14 CN CN201821868822.1U patent/CN209012119U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253108A (en) * | 2018-11-14 | 2019-01-22 | 刘子鸣 | A kind of the immersible pump double shrouded wheel and its production method of injection molding |
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