CN202266440U - Centrifugal pump - Google Patents

Centrifugal pump Download PDF

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Publication number
CN202266440U
CN202266440U CN2011204064127U CN201120406412U CN202266440U CN 202266440 U CN202266440 U CN 202266440U CN 2011204064127 U CN2011204064127 U CN 2011204064127U CN 201120406412 U CN201120406412 U CN 201120406412U CN 202266440 U CN202266440 U CN 202266440U
Authority
CN
China
Prior art keywords
filler
packing ring
packing
pump
stuffing box
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.)
Withdrawn - After Issue
Application number
CN2011204064127U
Other languages
Chinese (zh)
Inventor
于泳水
林海
刘延宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Shuanglun Co Ltd
Original Assignee
Shandong Shuanglun Co Ltd
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 Shandong Shuanglun Co Ltd filed Critical Shandong Shuanglun Co Ltd
Priority to CN2011204064127U priority Critical patent/CN202266440U/en
Application granted granted Critical
Publication of CN202266440U publication Critical patent/CN202266440U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model relates to the technical field of fluid machinery, and in particular relates to a centrifugal pump. The centrifugal pump is provided with a pump body, a bracket body, a pump shaft, an inner pump shell, a front lining plate, a rear lining plate, a vane wheel and a sealed filler device, wherein the sealed filler device consists of a filler box, a filler shaft sleeve, a filler ring, a filler and a filler gland. The centrifugal pump is characterized by being provided with O-shaped rings, wherein the filler ring is formed by splicing at least two filler ring bodies; the filler ring bodies are annular; a positioning groove is formed in the circumference of the outer side of each filler ring body, and annular grooves are formed at two ends of each filler ring body; water inlet holes are formed on the filler ring bodies in the radial direction, and communicated with the positioning grooves; disassembly screw holes are formed in the annular grooves; the O-shaped rings are clamped in the annular grooves at two ends of the filler ring bodies so as to splice the filler ring bodies into the filler ring; and a barrier rib plate is arranged on the inner wall of a hollow cavity of the sealed filler box. By adoption of the structure, the centrifugal pump has the advantages of being novel in structure, convenient for disassembly, quick for assembly, good in sealing effect and high in stability, reducing the abrasion rate and prolonging the service life and the like.

Description

Centrifugal pump
Technical field
The utility model relates to the fluid machinery technical field, specifically a kind of easy accessibility, anti abrasive centrifugal pump.
Background technique
Existing centrifugal pump is made up of the pump housing, pallet body, pump shaft, interior pump case, preceding liner plate, rear lining plate, impeller, stuffing box packing device, and pump shaft is fixedly connected with pallet body through bearing, bearing interstage sleeve, bearing a set of cups and bearing gland, and pump shaft one end is fixedly connected with impeller through the stuffing box packing device, and impeller is located in the interior pump case; Interior pump case two ends are fixedly connected with the pump housing through liner plate respectively, and the pump housing is fixed on the pallet body, and the stuffing box packing device is made up of Stuffing box, packing sleeve, packing ring, filler and Gland, are provided with sub-propeller in the cavity of Stuffing box; Sub-propeller is fixed on the pump shaft, and Stuffing box cylindrical one end and rear lining plate are tightly connected, and the other end is fixedly connected with the pump housing, and interior circle is fixedly connected with pump shaft through packing sleeve; Be arranged with packing ring, filler and Gland on the packing sleeve,, guarantee that the liquid in the pump housing does not leak, avoid causing waste and pollute so that packing ring river filler plays seal action during the centrifugal pump proper functioning; Because the filler of stuffing box packing case is oily husky line, abrasion resistance is poor, after the media particle of carrying gets into the stuffing box packing case; Under running up of pump drove, solution presented the state of running up in the stuffing box packing case, has quickened the rate of depreciation of particle to cabinet exterior; Cause the liquid in the pump housing to flow out, and then cause environmental pollution and waste, therefore; Must termination of pumping be changed by the filler of stuffing box packing case, production is made a big impact, also wastes simultaneously very the large resource waste, and if packing seal press tension; Can strengthen load, filler can warm up very soon, to the degree of wear increasing of pump shaft; Therefore need often to change, but press too loose, then can the flowing water air inlet; Cause and to use, when single stage single suction volute pump is changed packing ring, because packing ring is a whole annulus; Need all component beyond the axle head packing ring are all disassembled, even also will disassemble pump or motor, changed packing ring for the client since like this to have brought very big inconvenience; When assembling, cause again being difficult for installing, cause waste operating time, working efficiency to descend greatly.
Summary of the invention
The purpose of the utility model is the deficiency that solves above-mentioned existing technology, provide a kind of novel structure, convenient disassembly, quick for installation, reduce rate of depreciation, good sealing effect, stability high, increase the service life, hinder the centrifugal pump of being with the rotational speed of particle solution in the Stuffing box.
The utility model solves the technological scheme that its technical problem adopted:
A kind of centrifugal pump is provided with the pump housing, pallet body, pump shaft, interior pump case, preceding liner plate, rear lining plate, impeller, stuffing box packing device, and the stuffing box packing device is made up of Stuffing box, packing sleeve, packing ring, filler and Gland; It is characterized in that being provided with O shape circle, packing ring is to be put together by at least two packing ring bodies, and the packing ring body ringwise; Packing ring body outer circumference is provided with positioning groove, and two ends are respectively equipped with annular groove, and the packing ring body radially is provided with the water inlet; The water inlet is connected with positioning groove, is provided with dismounting silk hole in the annular groove, to make things convenient for the fixing of packing ring body; O shape is enclosed in the annular groove that is stuck in packing ring body two ends and with the packing ring body and is pieced together packing ring, has reached under the prerequisite of not removing other parts and has changed packing ring, has solved and has dismantled multipart trouble when packing ring is changed; Reduce the replacing time; Improved working efficiency, the cavity inner wall of stuffing box packing case is provided with the obstruction gusset, so that the solution in the stuffing box packing case meets with obstruction in rotary course; Solution is under the inhibition that hinders gusset; Direction gets muddled, and has weakened the energy of particle and stuffing box packing box outer wall bump in the solution, thereby has prolonged resistance to wearing the time of stuffing box packing case.
The utility model can be provided with sealed circular ring in the sub-propeller one end face wheel hub outside, and sealed circular ring is connected with the sub-propeller vanes fixed, to reach the effect of damming and sealing.
The utility model has reached under the prerequisite of not removing other parts and has changed packing ring owing to adopt said structure, has solved and has dismantled multipart trouble when packing ring is changed; Reduce the replacing time; Improve working efficiency, simultaneously, hindered the rotational speed of particle solution by the gusset of stuffing box packing chamber interior wall; When solution speed reduces; Because the sealed circular ring by on the sub-propeller of solution stops the solution that inertia is downward, reaches the effect of damming and seal, have novel structure, convenient disassembly, quick for installation, reduce rate of depreciation, good sealing effect, stability height, advantage such as increase the service life.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the enlarged view of I among Fig. 1.
Fig. 3 is the structural representation of packing ring in the utility model.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the inner-cavity structure schematic representation of Stuffing box in the utility model.
Reference character: O shape circle 1, packing ring body 2, positioning groove 3, annular groove 4, water inlet 5, dismounting silk hole 6, the pump housing 7, pallet body 8, pump shaft 9, interior pump case 10, preceding liner plate 11, rear lining plate 12, impeller 13, Stuffing box 14, packing sleeve 15, packing ring 16, filler 17 and Gland 18 hinder gusset 19 sub-propellers 20 sealed circular rings 21.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
Shown in accompanying drawing, a kind of centrifugal pump is provided with the pump housing 7, pallet body 8, pump shaft 9, interior pump case 10, preceding liner plate 11, rear lining plate 12, impeller 13, stuffing box packing device; The stuffing box packing device is made up of Stuffing box 14, packing sleeve 15, packing ring 16, filler 17 and Gland 18, and Stuffing box 14 inner chambers are provided with sub-propeller 20, and the annexation of the pump housing 7, pallet body 8, pump shaft 9, interior pump case 10, preceding liner plate 11, rear lining plate 12, impeller 13, Stuffing box 14, packing sleeve 15, packing ring 16, filler 17 and Gland 18 is identical with existing technology; This does not give unnecessary details, and it is characterized in that being provided with O shape circle 1, and packing ring 16 is to be put together by at least two packing ring bodies 2; Packing ring body 2 ringwise, packing ring body 2 outer circumference are provided with positioning groove 3, two ends are respectively equipped with annular groove 4; Packing ring body 2 radially is provided with water inlet 5, and water inlet 5 is connected with positioning groove 3, is provided with dismounting silk hole 6 in the annular groove 4; To make things convenient for the fixing of packing ring body 2; O shape circle 1 is stuck in the annular groove 4 at packing ring body 2 two ends and with packing ring body 2 and pieces together packing ring 16, has reached and under the prerequisite of not removing other parts, has changed packing ring 16, has solved and has dismantled multipart trouble when packing ring 16 is changed; Reduce the replacing time; Improved working efficiency, the cavity inner wall of stuffing box packing case 14 is provided with and hinders gusset 19, so that the solution in the stuffing box packing case 14 meets with obstruction in rotary course; Solution is under the inhibition that hinders gusset 19; Direction gets muddled, and has weakened the energy of particle and stuffing box packing case 14 outer walls bump in the solution, thereby has prolonged resistance to wearing the time of stuffing box packing case 14.
The utility model can be provided with sealed circular ring 21 in the sub-propeller 20 1 end wheel hubs outside, and sealed circular ring 21 is connected with sub-propeller 20 vanes fixed, to reach the effect of damming and sealing.
The utility model earlier pieces together packing ring with O type circle 1 with packing ring body 2 when mounted, packing ring 16 is installed to inside the packing cavity again; Pass dismounting silk hole 6 with bolt and be fixed on the Stuffing box 14, during replacing Gland 18 and filler 17 are disassembled, the O type circle on the packing ring body 21 is taken out; Back-out and dismantle the bolt in the silk hole 6, packing ring 16 is as long as can disassemble once going out packing cavity, and is convenient and swift; Need the pump housing 7 and electric motor end cap not separated, only need dismounting Gland 18 and filler 17, need not to take out from axle head; Made things convenient for the replacing of packing ring 16, when work, the obstruction gusset 19 of stuffing box packing case 14 inwalls hinders the rotational speed of particle solution; When solution speed reduces; Because solution stops the solution that inertia is downward by the sealed circular ring on the sub-propeller 20 21, reach the effect of damming and seal, have rational in infrastructure, reduce rate of depreciation, good sealing effect, stability height, advantage such as increase the service life.
The utility model has reached under the prerequisite of not removing other parts and has changed packing ring owing to adopt said structure, has solved and has dismantled multipart trouble when packing ring is changed; Reduce the replacing time; Improve working efficiency, simultaneously, hindered the rotational speed of particle solution by the gusset of stuffing box packing chamber interior wall; When solution speed reduces; Because the sealed circular ring by on the sub-propeller of solution stops the solution that inertia is downward, reaches the effect of damming and seal, have novel structure, convenient disassembly, quick for installation, reduce rate of depreciation, good sealing effect, stability height, advantage such as increase the service life.

Claims (2)

1. a centrifugal pump is provided with the pump housing, pallet body, pump shaft, interior pump case, preceding liner plate, rear lining plate, impeller, stuffing box packing device, and the stuffing box packing device is made up of Stuffing box, packing sleeve, packing ring, filler and Gland; It is characterized in that being provided with O shape circle; Packing ring is to be put together by at least two packing ring bodies, the packing ring body ringwise, packing ring body outer circumference is provided with positioning groove; Two ends are respectively equipped with annular groove; The packing ring body radially is provided with the water inlet, and the water inlet is connected with positioning groove, is provided with dismounting silk hole in the annular groove; O shape is enclosed in the annular groove that is stuck in packing ring body two ends and with the packing ring body and is pieced together packing ring, and the cavity inner wall of stuffing box packing case is provided with the obstruction gusset.
2. a kind of centrifugal pump according to claim 1 is characterized in that the sub-propeller one end face wheel hub outside is provided with sealed circular ring, and sealed circular ring is connected with the sub-propeller vanes fixed.
CN2011204064127U 2011-10-24 2011-10-24 Centrifugal pump Withdrawn - After Issue CN202266440U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204064127U CN202266440U (en) 2011-10-24 2011-10-24 Centrifugal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204064127U CN202266440U (en) 2011-10-24 2011-10-24 Centrifugal pump

Publications (1)

Publication Number Publication Date
CN202266440U true CN202266440U (en) 2012-06-06

Family

ID=46157238

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204064127U Withdrawn - After Issue CN202266440U (en) 2011-10-24 2011-10-24 Centrifugal pump

Country Status (1)

Country Link
CN (1) CN202266440U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102374188A (en) * 2011-10-24 2012-03-14 山东双轮股份有限公司 Centrifugal pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102374188A (en) * 2011-10-24 2012-03-14 山东双轮股份有限公司 Centrifugal pump
CN102374188B (en) * 2011-10-24 2013-04-10 山东双轮股份有限公司 Centrifugal pump

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20120606

Effective date of abandoning: 20130410

RGAV Abandon patent right to avoid regrant