CN207634385U - A kind of underflow pump inner sheath - Google Patents
A kind of underflow pump inner sheath Download PDFInfo
- Publication number
- CN207634385U CN207634385U CN201721683125.4U CN201721683125U CN207634385U CN 207634385 U CN207634385 U CN 207634385U CN 201721683125 U CN201721683125 U CN 201721683125U CN 207634385 U CN207634385 U CN 207634385U
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- CN
- China
- Prior art keywords
- stiffener plate
- underflow pump
- inner sheath
- semicircle
- sheath
- 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.)
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Abstract
The utility model provides a kind of underflow pump inner sheath, belong to liquid delivery pump technical field, including the sheath ontology in pump housing inner wall is arranged, the sheath ontology is split type, including sheath ontology in two of pump housing outlet section semicircle bushings, two semicircle bushings are respectively equipped with stiffener plate.Underflow pump inner sheath provided by the utility model, it is simple in structure, extend the service life of underflow pump.
Description
Technical field
The utility model belongs to liquid delivery pump technical field, is to be related to a kind of underflow pump inner sheath more specifically.
Background technology
Underflow pump service life remove with the pump housing and impeller profile, medium character etc. it is related, depend primarily on making for flow passage part
Use the service life.Outlet section sheath is as underflow pump outlet section flow passage part, and since exit length is longer, sheath is pure rubber again, when
When underflow pump inner cavity is negative pressure, outlet section sheath forced area is big, and inside does not support, and to make sheath inwardly collapse, causes
Rubber is torn.
Utility model content
The purpose of this utility model is to provide a kind of underflow pump inner sheaths, are to solve underflow pump inner cavity in the prior art
The technical issues of outlet section sheath inwardly collapses when negative pressure, and rubber is torn has when underflow pump inner cavity is negative pressure, outlet section
The characteristics of sheath will not be collapsed inwardly, and rubber will not be torn.
To achieve the above object, the technical solution adopted in the utility model is：A kind of underflow pump inner sheath is provided, including is set
The sheath ontology in pump housing inner wall is set, the sheath ontology is split type, including sheath ontology is the two and half of pump housing outlet section
Round bushing, two semicircle bushings are respectively equipped with stiffener plate.
Further, the stiffener plate includes casing play and rubber layer, is equipped with and uses between the casing play and rubber layer
In the gluing oxidant layer of bonding.
Further, the casing play is Reticulated Vitreous steel.
Further, the stiffener plate to central angle be 90 ° of 80 ° of ＜ α ＜.
Further, the stiffener plate and described this body by integral forming of sheath.
Further, the stiffener plate is inlaid in the inside of two semicircle bushings respectively, and the rubber layer is set
It sets in the both sides of the casing play.
Further, the stiffener plate is located at the centre position of two semicircle bushing circular arcs.
Further, the length of the stiffener plate is less than the length of two semicircle bushings.
A kind of advantageous effect of underflow pump inner sheath provided by the utility model is：Compared with prior art, this practicality
The underflow pump inner sheath of novel offer, when underflow pump inner cavity is negative pressure, outlet section semicircle bushing has stiffener plate support, no
It can inwardly collapse, deform, rubber will not be torn, and extend the whole service life of underflow pump, cost-effective；Reticulated Vitreous steel
Adhesive is brushed on skeleton, is preferably combined together with rubber layer；The structure of stiffener plate is simple, at low cost.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the front view for the underflow pump sheath that the utility model embodiment provides；
Fig. 2 is a kind of sectional view of embodiment at A-A in Fig. 1；
Fig. 3 is the structural schematic diagram of stiffener plate in a kind of underflow pump sheath that embodiment provides of the utility model；
Wherein, each reference numeral in figure：
1, stiffener plate；2, casing play；3, rubber layer；4, gluing oxidant layer；5, semicircle bushing.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, does not indicate or imply the indicated device or element is necessary
With specific orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature." multiple ", " several " are meant that two in the description of the present invention,
It is a or more than two, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 3, now underflow pump inner sheath provided by the utility model is illustrated.The underflow
Inner sheath is pumped, including the sheath ontology in pump housing inner wall is set, the sheath ontology is split type, including sheath ontology is in the pump housing
The semicircle bushing 5 of two of outlet section, two semicircle bushings 5 are respectively equipped with stiffener plate 1.
The utility model is not under the premise of changing underflow pump other structures, it is only necessary to which setting adds on semicircle bushing 5
Strengthening tendons plate 1, so that it may to solve the problem of to have in underflow pump housing outlet section semicircle bushing 5 when negative pressure will not inwardly collapse；Separately
Outside, stiffener plate 1 is simple in structure, at low cost.
A kind of advantageous effect of underflow pump inner sheath provided by the utility model is：Compared with prior art, outlet section
Semicircle bushing has stiffener plate support, will not inwardly collapse, deform, and rubber will not be torn, and extends the entirety of underflow pump
Service life, it is cost-effective.
As further optimization, Fig. 2 and Fig. 3 are please referred to, the stiffener plate 1 includes casing play 2 and rubber layer 3, institute
State the gluing oxidant layer 4 being equipped between casing play 2 and rubber layer 3 for bonding.
The utility model rubber layer 3 and semicircle bushing 5 are same material.
As further optimization, the casing play 2 is Reticulated Vitreous steel.
Not only hardness is high for the utility model Reticulated Vitreous steel, but also it is more light than steel；The structure of Reticulated Vitreous steel has
Can preferably rubber layer 3 and casing play 2 be bonded by helping gluing oxidant layer 4.
As further optimization, please refer to Fig. 2 and Fig. 3, the stiffener plate 1 to central angle be 90 ° of ＜ α ＜
180°。
The arc length of the utility model stiffener plate 1 is less than the arc length of semicircle bushing 5, and stiffener plate 1 reinforces semicircle lining
The intensity of set 5, it is cost-effective, material will not be wasted.
As further optimization, referring to Fig. 2, the stiffener plate 1 and described this body by integral forming of sheath.
As further optimization, referring to Fig. 2, the stiffener plate 1 is inlaid in two semicircle bushings 5 respectively
Inside, the rubber layer 3 is arranged in the both sides of the casing play 2.
The utility model stiffener plate 1 is embedded in the inside of semicircle bushing 5, since two semicircle 5 inner walls of bushing are
Abrading section, so stiffener plate 1 should be close proximity to the outer wall of semicircle bushing 5.
As further optimization, referring to Fig. 2, the stiffener plate 1 is located at two 5 circular arcs of the semicircle bushing
Centre position.
The utility model centre position makes stiffener plate 1 be evenly distributed the whole booster action power of semicircle bushing 5.
As further optimization, referring to Fig. 1, the length of the stiffener plate 1 is less than two semicircle bushings 5
Length.
The length of the utility model stiffener plate 1 can meet the semicircle bushing 5 of reinforcement, and the length of stiffener plate 1 is spent
Length does not act on, and causes to waste.
All any modification, equivalent and improvement made within the spirit and principle of the present invention etc. should all wrap
Containing being within the protection scope of the utility model.
Claims (8)
1. a kind of underflow pump inner sheath, including the sheath ontology in pump housing inner wall is set, which is characterized in that the sheath ontology is
It is split type, including sheath ontology, in two semicircle bushings (5) of pump housing outlet section, two semicircle bushings (5) are respectively
Equipped with stiffener plate (1).
2. underflow pump inner sheath according to claim 1, which is characterized in that the stiffener plate (1) includes casing play (2)
With rubber layer (3), the gluing oxidant layer (4) for bonding is equipped between the casing play (2) and rubber layer (3).
3. underflow pump inner sheath according to claim 2, which is characterized in that the casing play (2) is Reticulated Vitreous steel.
4. underflow pump inner sheath according to claim 1, which is characterized in that the stiffener plate (1) to central angle
For 90 ° of 180 ° of ＜ α ＜.
5. underflow pump inner sheath according to claim 1, which is characterized in that the stiffener plate (1) and the sheath sheet
Body by integral forming.
6. underflow pump inner sheath according to claim 2, which is characterized in that the stiffener plate (1) is inlaid in two respectively
The inside of a semicircle bushing (5), both sides of rubber layer (3) setting in the casing play (2).
7. underflow pump inner sheath according to claim 6, which is characterized in that the stiffener plate (1) is located at described in two
The centre position of semicircle bushing (5) circular arc.
8. underflow pump inner sheath according to claim 7, which is characterized in that the length of the stiffener plate (1) is less than two
The length of a semicircle bushing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721683125.4U CN207634385U (en) | 2017-12-06 | 2017-12-06 | A kind of underflow pump inner sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721683125.4U CN207634385U (en) | 2017-12-06 | 2017-12-06 | A kind of underflow pump inner sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634385U true CN207634385U (en) | 2018-07-20 |
Family
ID=62855701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721683125.4U Active CN207634385U (en) | 2017-12-06 | 2017-12-06 | A kind of underflow pump inner sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634385U (en) |
-
2017
- 2017-12-06 CN CN201721683125.4U patent/CN207634385U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |