CN203640998U - Connecting structure suitable for stainless steel submerged screw pump - Google Patents
Connecting structure suitable for stainless steel submerged screw pump Download PDFInfo
- Publication number
- CN203640998U CN203640998U CN201320841921.1U CN201320841921U CN203640998U CN 203640998 U CN203640998 U CN 203640998U CN 201320841921 U CN201320841921 U CN 201320841921U CN 203640998 U CN203640998 U CN 203640998U
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- chamber
- stainless steel
- connecting structure
- flange
- pressing plate
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Abstract
The utility model discloses a connecting structure suitable for a stainless steel submerged screw pump and relates to the technical field of stainless steel screw pumps. The connecting structure comprises a motor and an oil chamber on the motor, wherein a pump body is arranged above the oil chamber; a pumping chamber is arranged at the upper end of the pump body; a rubber stator, a pressing plate and a water inlet chamber are sequentially arranged in the pump body from top to bottom; a circle of inward positioning groove is formed in the upper end of the side wall of the water inlet chamber; a flange is arranged below the positioning groove; the pumping chamber, the rubber stator and the pressing plate are axially and fixedly connected to the flange through multiple screws; multiple threaded holes are peripherally formed in the side wall of the oil chamber; matched positioning holes are peripherally formed in the side wall of the water inlet chamber; the threaded holes and the positioning holes are fixedly connected together through multiple positioning sleeves and screws II. The connecting structure adopts a split connection mode and is convenient to install and maintain and high in overall product reliability. Moreover, the cost is greatly reduced.
Description
Technical field
The utility model relates to stainless steel submersible progressive cavity pump technical field, refers in particular to a kind of connecting structure that is applicable to stainless steel submersible progressive cavity pump.
Background technique
Stainless steel screw pump comprises motor 100 and pump, and motor 100 is oil-filled type motor or dry type motor.Motor housing is Stainless Steel Tube moulding, interior note transformer oil or dry construction.
Referring to Figure of description 1, the connecting mode of existing motor and pump: intake chamber 400 coordinates with the grease chamber 200 on motor, and pressing plate 600 is installed in intake chamber 400, and by positioning groove 800 axially locating on intake chamber 400; In addition, by stay bolt 300, pumping chamber 700, elastomer stator 500, pressing plate 600 and intake chamber 400 are fixed together with the grease chamber 200 on motor, thus the structure that Pump and Electromotor 100 is joined together; But there are following four point defects in above-mentioned structure: one, and use stay bolt 300 to carry out axial whole fixing, often can occur, to the threaded mounting hole in upper chamber 200 not, inconvenience to be not only installed, not easy-maintaining, affects working efficiency; Two, use stay bolt 300 to carry out axial whole fixing, linking intensity is low, and structure is not firm; Three, due to inconvenience being installed, so may damage other accessories in the time of double thread mounting hole, waste unnecessary cost; Four, the unit price of stay bolt exceeds tens times of plain screw, and cost is higher.
Summary of the invention
For the deficiency existing in background technique, the purpose of this utility model is to provide a kind of connecting structure that is applicable to stainless steel submersible progressive cavity pump, and it is split connection, and not only easy for installation, easy to maintenance, product global reliability is good; And cost is many.
For achieving the above object, the utility model provides following technological scheme: a kind of connecting structure that is applicable to stainless steel submersible progressive cavity pump, comprise the grease chamber on motor and motor, above grease chamber, be provided with the pump housing, the upper end of the pump housing is provided with pumping chamber, in the pump housing, be disposed with from top to bottom elastomer stator, pressing plate and intake chamber, the sidewall upper of described intake chamber is provided with the inside positioning groove of a circle, below positioning groove, be provided with flange, described pumping chamber, elastomer stator and pressing plate is connected on flange by multiple screw I axial restraints; On described grease chamber's sidewall, circumferentially offer multiple tapped holes, circumferentially offer the positioning hole adapting on the sidewall of intake chamber, described tapped hole and positioning hole are fixedly connected by multiple setting sleeves and screw II.
Above-mentioned positioning groove is arranged on the below of pressing plate.
Above-mentioned flange is arranged in intake chamber, and coordinating between flange and the sidewall of intake chamber is interference fit.
The bottom diameter of above-mentioned intake chamber is greater than the internal diameter of upper end, grease chamber.
The material of the above-mentioned pump housing is stainless steel.
Above-mentioned tapped hole is identical with positioning hole quantity, and quantity is 3-9.
The utility model beneficial effect compared to existing technology:
1, the utility model is divided into two-part and connects, not only easy for installation, is convenient to maintenance, has improved greatly working efficiency;
2, the utility model is divided into two-part and connects, and linking intensity is high, firm in structure, and product global reliability is good;
3, the utility model is due to easy for installation, so there is not the phenomenon of damaging other accessories;
4, the utility model adopts plain screw to connect, and has reduced widely cost of production.
Accompanying drawing explanation
Fig. 1 is the structural representation in the utility model background technique;
Fig. 2 is structural representation of the present utility model.
The implication of label in Fig. 1: 100-motor; 200-grease chamber; 300-stay bolt; 400-intake chamber; 500-elastomer stator; 600-pressing plate; 700-pumping chamber; 800-positioning groove;
The implication of label in Fig. 2: 1-motor; 2-grease chamber; 3-setting sleeve; 4-screw II; 5-intake chamber; 6-elastomer stator; 7-flange; 8-pressing plate; 9-screw I; 10-pumping chamber; 11-positioning groove; The 12-pump housing.
Embodiment
Below in conjunction with drawings and Examples, to embodiment of the present utility model as preferred detailed description.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 2, a kind of connecting structure that is applicable to stainless steel submersible progressive cavity pump, comprise the grease chamber 2 on motor 1 and motor 1, above grease chamber 2, be provided with the pump housing 12, the upper end of the pump housing 12 is provided with pumping chamber 10, in the pump housing, be disposed with from top to bottom elastomer stator 6, pressing plate 8 and intake chamber 5, the sidewall upper of described intake chamber 5 is provided with the inside positioning groove of a circle 11, below positioning groove 11, be provided with flange 7, described pumping chamber 10, elastomer stator 6 and pressing plate 8 is connected on flange 7 by multiple screw I 9 axial restraints; On described grease chamber's 2 sidewalls, circumferentially offer multiple tapped holes, on intake chamber 5 sidewalls, circumferentially offer the positioning hole adapting, described tapped hole and positioning hole are fixedly connected by multiple setting sleeves 3 and screw II 4.
Further, above-mentioned positioning groove 11 is arranged on the below of pressing plate 8.
Further, above-mentioned flange 7 is arranged in intake chamber 5, and coordinating between flange 7 and the sidewall of intake chamber 5 is interference fit.
Further, the bottom diameter of above-mentioned intake chamber 5 is greater than the internal diameter of 2 upper ends, grease chamber.
Further, the sidewall material of the above-mentioned pump housing 12 is stainless steel.
Further, above-mentioned tapped hole is identical with positioning hole quantity, and quantity is 3-9.
In the utility model, motor 1 is split connecting mode with pump, being divided into two-part connects, first portion connects: be first by four setting sleeves 3 and screw II 4, grease chamber 2 to be fixed with intake chamber 5, be on grease chamber's 2 sidewalls, circumferentially to rush four tapped holes, at four positioning holes of the circumferential upper punch of sidewall of intake chamber 5, more circumferentially fix by setting sleeve 3 and screw II 4.Second portion connects: flange 7 and intake chamber 5 interference fit, pressing plate 8, elastomer stator 6 are fixedly taked the mode of flange connect, carry out axially locating with positioning groove 11, by four screw I 9, pumping chamber 10, elastomer stator 6 and pressing plate 8 are fixed on flange 7 again, thus the structure that motor 1 and pump are become one.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, do not departing under the prerequisite of the utility model know-why, making some improvement and modification and also should be considered as protection domain of the present utility model.
Claims (6)
1. one kind is applicable to the connecting structure of stainless steel submersible progressive cavity pump, comprise the grease chamber on motor and motor, above grease chamber, be provided with the pump housing, the upper end of the pump housing is provided with pumping chamber, in the pump housing, be disposed with from top to bottom elastomer stator, pressing plate and intake chamber, it is characterized in that: the sidewall upper of described intake chamber is provided with the inside positioning groove of a circle, below positioning groove, be provided with flange, described pumping chamber, elastomer stator and pressing plate is connected on flange by multiple screw I axial restraints; On described grease chamber's sidewall, circumferentially offer multiple tapped holes, circumferentially offer the positioning hole adapting on intake chamber sidewall, described tapped hole and positioning hole are fixedly connected by multiple setting sleeves and screw II.
2. the connecting structure that is applicable to stainless steel submersible progressive cavity pump according to claim 1, is characterized in that: described positioning groove is arranged on the below of pressing plate.
3. the connecting structure that is applicable to stainless steel submersible progressive cavity pump according to claim 1, is characterized in that: described flange is arranged in intake chamber, coordinating between flange and the sidewall of intake chamber is interference fit.
4. according to the connecting structure that is applicable to stainless steel submersible progressive cavity pump described in claim 1 or 3, it is characterized in that: the bottom diameter of described intake chamber is greater than the internal diameter of upper end, grease chamber.
5. the connecting structure that is applicable to stainless steel submersible progressive cavity pump according to claim 1, is characterized in that: the material of the described pump housing is stainless steel.
6. the connecting structure that is applicable to stainless steel submersible progressive cavity pump according to claim 1, is characterized in that: described tapped hole is identical with positioning hole quantity, and quantity is 3-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320841921.1U CN203640998U (en) | 2013-12-18 | 2013-12-18 | Connecting structure suitable for stainless steel submerged screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320841921.1U CN203640998U (en) | 2013-12-18 | 2013-12-18 | Connecting structure suitable for stainless steel submerged screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640998U true CN203640998U (en) | 2014-06-11 |
Family
ID=50872251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320841921.1U Expired - Fee Related CN203640998U (en) | 2013-12-18 | 2013-12-18 | Connecting structure suitable for stainless steel submerged screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203640998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559188A (en) * | 2017-08-26 | 2018-01-09 | 浙江武义浩达工具制造有限公司 | Screw machine |
-
2013
- 2013-12-18 CN CN201320841921.1U patent/CN203640998U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559188A (en) * | 2017-08-26 | 2018-01-09 | 浙江武义浩达工具制造有限公司 | Screw machine |
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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 |
Granted publication date: 20140611 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |