CN204921442U - End suction centrifugal pump loose flange structure - Google Patents

End suction centrifugal pump loose flange structure Download PDF

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Publication number
CN204921442U
CN204921442U CN201520617402.6U CN201520617402U CN204921442U CN 204921442 U CN204921442 U CN 204921442U CN 201520617402 U CN201520617402 U CN 201520617402U CN 204921442 U CN204921442 U CN 204921442U
Authority
CN
China
Prior art keywords
flange
water inlet
latch
outlet segment
loose
Prior art date
Application number
CN201520617402.6U
Other languages
Chinese (zh)
Inventor
李学忠
何富磊
闫玉林
Original Assignee
南方泵业股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 南方泵业股份有限公司 filed Critical 南方泵业股份有限公司
Priority to CN201520617402.6U priority Critical patent/CN204921442U/en
Application granted granted Critical
Publication of CN204921442U publication Critical patent/CN204921442U/en

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Abstract

The utility model discloses an end suction centrifugal pump loose flange structure, including loose flange body and flange business turn over water section, the hole of loose flange body have flange draw -in groove and flange latch along the circumference equipartition, flange draw -in groove and flange latch interval set up, the outer circumference of flange business turn over water section on the equipartition have business turn over water section latch, the major diameter fit setting of tooth top diameter and flange business turn over water section of flange latch. This end suction centrifugal pump loose flange structure has cancelled the snap ring, carry on through the structure of loose flange and flange business turn over water section self spacing, greatly reduced the cost, simple to operate moreover, spacing firm reliable.

Description

A kind of end suction centrifugal pump movable flange structure

Technical field

The utility model relates to centrifugal pump technical field, especially relates to a kind of end suction centrifugal pump movable flange structure.

Background technique

Existing centrifugal pump flange mostly adopts snap ring to position, and such structure installment inconvenience, stability is poor, and cost is high.

Chinese patent literature (the day for announcing: on September 10th, 2014, notification number: CN203823294U) disclose a kind of loose flange joint, comprise upper flange, interior tube head and rotary flange, the endoporus of described upper flange and the inner chamber of described interior tube head are conducted, described rotary flange is sheathed on outside described interior tube head, and described rotary flange is fixedly connected with described upper flange; Fitting surface between described upper flange and described interior tube head is provided with two seal grooves, seal ring is provided with in described seal groove, described loose flange joint is also provided with inlet opening, described fitting surface between one end conducting to two described seal groove of described inlet opening, the other end conducting is to described loose flange connector exterior.This loose flange joint structure is compact, reasonable in design, can realize the mating operation of pipeline quickly and easily, and have sealing self-checking function.

Chinese patent literature (the day for announcing: on July 11st, 2012, notification number: CN202326352U) disclose a kind of movable water pump flange, comprise the pump housing and flange body, described flange body is socketed on the pump housing, surface of contact between the described pump housing and flange body is provided with annular groove, be provided with snap ring in described annular groove, described flange body adopts carbon steel to make, and described snap ring adopts elastic material to make.

What technique scheme solved is flange bolt hole and pipeline flange when connecting bolt hole align difficult problem.

Model utility content

The purpose of this utility model adopts snap ring spacing to solve existing centrifugal pump flange, installs inconvenience, poor stability, high in cost of production problem, and provide a kind of structure simple, easy for installation, the end suction centrifugal pump movable flange structure that steadiness is good.

The utility model realizes the technological scheme that its technical purpose adopts: a kind of end suction centrifugal pump movable flange structure, comprise loose flange body and flange water inlet-outlet segment, the endoporus of described loose flange body is circumferentially evenly equipped with flange draw-in groove and flange latch, described flange draw-in groove and flange latch interval are arranged, the excircle of described flange water inlet-outlet segment is evenly equipped with water inlet-outlet segment latch, and the tooth tip diameter of described flange latch and the major diameter fit of flange water inlet-outlet segment are arranged.This end suction centrifugal pump movable flange structure, by designing flange and flange water inlet-outlet segment, flange is set to loose flange body, loose flange body is provided with flange draw-in groove and flange latch, and on flange water inlet-outlet segment, be provided with water inlet-outlet segment latch, when needs are installed, loose flange body is set with on flange water inlet-outlet segment, the flange draw-in groove of loose flange body is to the water inlet-outlet segment latch on alignment flange water inlet-outlet segment, after packing into, loose flange body is rotated 45 °, make the flank of tooth and the flank of tooth clamping of flange latch on loose flange body and water inlet-outlet segment latch, realize location axially, thus reach spacing object.This end suction centrifugal pump movable flange structure, eliminates snap ring spacing, greatly reduces cost, easy for installation, solid and reliable.

As preferably, described water inlet-outlet segment latch vertically to arrange length consistent with loose flange body and flange water inlet-outlet segment position location.The length of water inlet-outlet segment latch is consistent with loose flange and flange water inlet-outlet segment position location, and when guarantee loose flange book and flange, water exit end can be in place like this, coordinates closely.

As preferably, described water inlet-outlet segment latch and flange draw-in groove one_to_one corresponding are arranged.Such structure is convenient installs, and can ensure the clamping after installing.

As preferably, when loose flange body coordinates with flange water inlet-outlet segment, flange latch and water inlet-outlet segment latch are in axial limiting clamping.Such structure, easy for installation, after spacing clamping, solid and reliable.

As preferably, loose flange body is evenly equipped with at least three flange draw-in grooves, is correspondingly provided with at least three flange latches, flange water inlet-outlet segment coordinates flange latch be provided with at least three water inlet-outlet segment latches.Flange draw-in groove on loose flange body is at least provided with three, like this can be guaranteed spacing reliable and stable.

The beneficial effects of the utility model are: this end suction centrifugal pump movable flange structure, eliminates snap ring spacing, greatly reduce cost, easy for installation, solid and reliable.

Accompanying drawing explanation

Fig. 1 is a kind of structural representation of the utility model end suction centrifugal pump movable flange structure;

Fig. 2 is the utility model loose flange body and flange water inlet-outlet segment a kind of structural representation when installing;

Fig. 3 is that the utility model loose flange and flange water inlet-outlet segment rotate a kind of structural representation after locating;

In figure: 1, loose flange body, 2, flange water inlet-outlet segment, 3, flange draw-in groove, 4, flange latch, 5, water inlet-outlet segment latch.

Embodiment

Also by reference to the accompanying drawings the technical solution of the utility model is described in further detail below by specific embodiment.

Embodiment 1:

In the embodiment shown in fig. 1, a kind of end suction centrifugal pump movable flange structure, comprise loose flange body 1 and flange water inlet-outlet segment 2, the endoporus of loose flange body 1 is circumferentially evenly equipped with flange draw-in groove 3 and flange latch 4, flange draw-in groove 3 and flange latch 4 interval are arranged, the excircle of flange water inlet-outlet segment 2 is evenly equipped with water inlet-outlet segment latch 5, water inlet-outlet segment latch 5 and flange draw-in groove 3 one_to_one corresponding are arranged.The tooth tip diameter of flange latch 4 and the major diameter fit of flange water inlet-outlet segment 2 are arranged.

Water inlet-outlet segment latch 5 vertically to arrange length consistent with loose flange body 1 and flange water inlet-outlet segment 2 position location.When loose flange body 1 coordinates with flange water inlet-outlet segment 2, flange latch 4 and water inlet-outlet segment latch 5 are in axial limiting clamping.

In the present embodiment, loose flange body 1 is evenly equipped with four flange draw-in grooves 3, is correspondingly provided with four flange latches 4, flange water inlet-outlet segment coordinates flange latch 4 be provided with four water inlet-outlet segment latches 5.

This end suction centrifugal pump movable flange structure, comprise: loose flange body 1, flange water inlet-outlet segment 2, by arranging flange draw-in groove 3 and flange latch 4 on loose flange book 1, on flange water inlet-outlet segment 2, correspondence is provided with water inlet-outlet segment latch 5, after loose flange body 1 docks with flange water inlet-outlet segment 2, loose flange body 1 is rotated 45 ° and reach spacing fixing object, thus eliminate snap ring.

Concrete installation process is as follows: the water inlet-outlet segment latch 5 on the flange draw-in groove 3 alignment flange water inlet-outlet segment 2 on loose flange body 1, loose flange body 1 is set with (see figure 2) on flange water inlet-outlet segment 2, after suit puts in place, loose flange body 1 is rotated 45 °, make the water inlet-outlet segment latch 5 on the flange latch 4 alignment flange water inlet-outlet segment 2 on loose flange body 1, the end face of two teeth and end face are connected together (see figure 3), thus by flange latch 4 and water inlet-outlet segment latch 5 clamping mutually, reach spacing object.This end suction centrifugal pump movable flange structure, eliminates snap ring, is undertaken spacing, greatly reduce cost by the structure of loose flange and flange water inlet-outlet segment self, and easy for installation, spacing solid and reliable.

Claims (5)

1. an end suction centrifugal pump movable flange structure, comprise loose flange body (1) and flange water inlet-outlet segment (2), it is characterized in that: the endoporus of described loose flange body (1) is circumferentially evenly equipped with flange draw-in groove (3) and flange latch (4), described flange draw-in groove (3) and flange latch (4) interval are arranged, the excircle of described flange water inlet-outlet segment (2) is evenly equipped with water inlet-outlet segment latch (5), and the tooth tip diameter of described flange latch (4) and the major diameter fit of flange water inlet-outlet segment (2) are arranged.
2. a kind of end suction centrifugal pump movable flange structure according to claim 1, is characterized in that: described water inlet-outlet segment latch (5) vertically to arrange length consistent with loose flange body (1) and flange water inlet-outlet segment (2) position location.
3. a kind of end suction centrifugal pump movable flange structure according to claim 1, is characterized in that: described water inlet-outlet segment latch (5) and flange draw-in groove (3) one_to_one corresponding are arranged.
4. a kind of end suction centrifugal pump movable flange structure according to claim 1 or 2 or 3, is characterized in that: when loose flange body (1) coordinates with flange water inlet-outlet segment (2), flange latch (4) and water inlet-outlet segment latch (5) are in axial limiting clamping.
5. a kind of end suction centrifugal pump movable flange structure according to claim 1 or 2 or 3, it is characterized in that: loose flange body (1) is evenly equipped with at least three flange draw-in grooves (3), correspondingly be provided with at least three flange latches (4), upper flange latch (4) that coordinates of flange water inlet-outlet segment (2) is provided with at least three water inlet-outlet segment latches (5).
CN201520617402.6U 2015-08-17 2015-08-17 End suction centrifugal pump loose flange structure CN204921442U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520617402.6U CN204921442U (en) 2015-08-17 2015-08-17 End suction centrifugal pump loose flange structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520617402.6U CN204921442U (en) 2015-08-17 2015-08-17 End suction centrifugal pump loose flange structure

Publications (1)

Publication Number Publication Date
CN204921442U true CN204921442U (en) 2015-12-30

Family

ID=54970576

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520617402.6U CN204921442U (en) 2015-08-17 2015-08-17 End suction centrifugal pump loose flange structure

Country Status (1)

Country Link
CN (1) CN204921442U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106122071A (en) * 2016-08-08 2016-11-16 浙江南元泵业有限公司 Pump loose flange
CN106122099A (en) * 2016-08-08 2016-11-16 浙江南元泵业有限公司 The turnover water column structure of MODEL VERTICAL MULTISTAGE PUMP

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106122071A (en) * 2016-08-08 2016-11-16 浙江南元泵业有限公司 Pump loose flange
CN106122099A (en) * 2016-08-08 2016-11-16 浙江南元泵业有限公司 The turnover water column structure of MODEL VERTICAL MULTISTAGE PUMP

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: No. 46 Hangzhou City, Zhejiang province 311100 Yuhang District Renhe Street Renhe Road

Patentee after: Southern Gold environment Limited by Share Ltd

Address before: Renhe Town of Yuhang District of Hangzhou City, Zhejiang province 311107

Patentee before: Nanfang Pump Industry Co.,Ltd.

C56 Change in the name or address of the patentee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151230

Termination date: 20180817

CF01 Termination of patent right due to non-payment of annual fee