CN2557732Y

CN2557732Y - Vertical stand type pump

Info

Publication number: CN2557732Y
Application number: CN 02235916
Authority: CN
Inventors: 吴晃璋
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-04
Filing date: 2002-06-04
Publication date: 2003-06-25
Anticipated expiration: 2012-06-04

Abstract

Disclosed is an upright pump, comprising a motor unit, a shaft seal cover ring, a lower shaft gland, an upper shaft gland, a ceramic ring, an out housing to the main body, a middle abdomen, a vane and a water transmission base. A front motor housing base and an axle center arranged below the motor unit; the shaft seal cover ring and a sleeve are arranged below the axle center; the ceramic ring is hitched around the sleeve; the upper shaft gland and the lower shaft gland are respectively arranged above and below the ceramic ring. The out housing to the main body, the middle abdomen and the vane are sheathed onto the assemblage of the above component parts; the impeller pipe at the upper part of the vane threads through the sleeve and is fixed with the sleeve; the water transmission base with an outlet pipe is arranged at the lower part of the vane; air vents which are communicated with the outside to radiate the heat caused by the friction of the upper and lower shaft glands with the ceramic ring are arranged on the circumferences of the shaft seal cover ring and the out housing to the main body, so that the ceramic ring can completely dissipate heat and avoid cracking; the upper and lower shaft glands contact with the ceramic ring but do not intenerate or transform; external air can not enter the pump, increasing the vacuum degree of the pump, thus application effect of the utility model is good.

Description

Vertical pump

One, technical field

The utility model relates to pump, relates in particular to a kind of vertical pump.

Two, background technique

Consult Fig. 1, Fig. 2, shown in Figure 3, existing pump structure is mainly by groups of motors 1, shaft seal cover 12, axle sleeve 13, body outer cover 2, blade 3, water delivering base 4 constitutes, wherein, groups of motors 1 bottom is provided with an axle center 11, axle center 11 is arranged with a shaft seal cover 12, shaft seal cover 12 inside are provided with a ceramic ring 121, axle center 11 is positioned at shaft seal cover 12, and wear and be fixed with an axle sleeve 13 by screw, be provided with an envelope 131 outside this axle sleeve 13, ceramic ring 121 belows offset with axle envelope 131 (relying on mutually), after the above-mentioned parts combination, (being groups of motors 1 the place ahead) wears body outer cover 2 and wear blade 3 on axle center 11 outside shaft seal cover 12 again, and body outer cover 2 is fixing by retaining screw and groups of motors 1, and blade 3 tops are provided with impeller pipe 31, impeller pipe 31 engages with axle sleeve 13, more than after the combination, below body outer cover 2, fixedly has the water delivering base 4 of outer pipe by the retaining screw combination.

Consult shown in Figure 2ly, when groups of motors 1 did not turn round (shutdown), ceramic ring 121 and axle envelope 131 relied on mutually, because ceramic ring 121 and axle envelope 131 dependence mutually can prevent to have corrosive gas overflow.Consult shown in Figure 3, when groups of motors 1 rotation, blast may press down and be back to blade 3 devices, because the existing product project organization is unreasonable, ceramic ring 121 relies on mutually with axle envelope 131, when 11 rotations of the axle center of groups of motors 1 below, because of making axle envelope 131, separates centrifugal force, so both produce friction and generation heat, again, its interblock space is air-tight state, therefore heat is difficult for distributing, though and ceramic ring 121 hardness height, wear resistance is good, but heat resistance is but not good, be easy to generate like this and break and damage,, be not back to when following as gas when axle envelope 131 (shown in Figure 3) when pressing down because of centrifugal force, have corrosive gas meeting overflow, and then corrode the assembly (not shown) that is positioned at top groups of motors 1.When existing product uses for a long time; in the time of can or turning round because of shutdown; cause the soup of water delivering base 4 outer pipes to reflux; overflow and influence environment from shaft seal cover 12, and be sprayed onto groups of motors 1 protecgulum internal component because of overflow easily, damage internal component; in addition; because it is closed state, the big calorimetric that ceramic ring 121,131 contact frictions of axle envelope produce can't be shed and cools off, make axle envelope 131 softening transforms of plastic rubber shaping.These shortcomings of existing product are that the sector practitioner considers the problem that solves always.

Three, summary of the invention

Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and a kind of vertical pump is provided, and it can fully dispel the heat ceramic ring, do not break, the last lower shaft that is in contact with it seals not softening transform, and ambient atmos can not enter in the pump degree of vacuum of raising pump.

The purpose of this utility model is realized by following technological scheme.

The utility model vertical pump, be provided with groups of motors, shaft seal cover ring, go up lower shaft envelope, ceramic ring, body outer cover, middle tripe, blade and water delivering base, wherein the groups of motors below is respectively equipped with preceding cage of motor and axle center, below, axle center cover group is provided with shaft seal cover ring and axle sleeve, the axle sleeve peripheral sleeve is equipped with ceramic ring, the ceramic ring upper and lower is provided with the lower shaft envelope, after the upper-part combination, sheathed body outer cover, middle tripe and blade, the impeller pipe on blade top and axle sleeve wear affixed, and its underpart is provided with the water delivering base with outer pipe; Its improvements are that described shaft seal cover ring and body outer cover top periphery are provided with the exhaust port that distributes lower shaft envelope and ceramic ring friction generation heat with extraneous intercommunication.

Four, description of drawings

Fig. 1 is the stereochemical structure decomposing schematic representation of existing product.

Composite structure cross-sectional schematic when Fig. 2 is the existing product shutdown.

Composite structure cross-sectional schematic when Fig. 3 is the existing product running.

Fig. 4 is the utility model stereochemical structure decomposing schematic representation.

Fig. 5 is the utility model composite structure cross-sectional schematic.

Five, embodiment

Consult Fig. 4, shown in Figure 5, the utility model vertical pump, be provided with groups of motors 10, shaft seal cover ring 102, last lower shaft envelope 1031, ceramic ring 1032, body outer cover 20, middle tripe 30, blade 40 and water delivering base 5, wherein, cage 100 belows are provided with axle center 101 before the motor that groups of motors 10 the place aheads are provided with, axle center 101 front ends are provided with the axle center key of fixing for blade 40 1033, axle center 101 below cover groups are provided with a shaft seal cover ring 102, (on the axle center 101) is fixing with axle sleeve 103 by retaining screw in this shaft seal cover ring 102, axle sleeve 103 peripheral sleeves are equipped with ceramic ring 1032, ceramic ring 1032 upper and lowers are provided with lower shaft envelope 1031, after the upper-part combination, be nested with body outer cover 20, then on body outer cover 20 lower directions sheathed in tripe 30, be provided with the blade 40 that has impeller pipe 401 above in the of on the axle center 101 again, blade 401 is affixed with the axle sleeve 103 that is fixed on 101 tops, axle center, and its underpart combination is provided with the water delivering base 5 with outer pipe 6; Its improvements are that described shaft seal cover ring 102 top peripheries are provided with heat radiation exhaust port 1021, and body outer cover 20 top periphery also are provided with heat radiation exhaust port 201, both and extraneous intercommunication.

After the utility model combination, because ceramic ring 1032 is that the set shaft seal cover ring 102 in cage 100 belows presses down before utilizing the motor that is positioned at groups of motors 10, and be interposed between the body outer cover 20, lower shaft envelope 1031 pushes against ceramic ring 1032 mutually on the rubber on the axle sleeve 103 by being located at up and down, therefore can stop fully to have corrosive gas overflow, avoid corroding the bearing (not shown) in the top groups of motors 10.

When groups of motors 10 runnings, be positioned at last lower shaft envelope 1031 (tow sides) of ceramic ring about in the of 1032, can contact friction with ceramic ring 1032, thereby generation heat, because for pressing down the axle sleeve 103 that inserts and puts ceramic ring 1032 tops, its top periphery reaches body outer cover 20 top periphery with its opposite position, be equipped with heat radiation exhaust port 1021 with extraneous intercommunication, 201, therefore, the heat that both rub and produce, both can be fast by the heat radiation exhaust port 1021 that communicates with the external world, 201 heat radiation coolings, fully distribute all heats of ceramic ring 1032, cause and can not make lower shaft envelope 1031 cause softening transform owing to contact the high heat that produces that rubs with ceramic ring 1032, ceramic ring 1032 is broken, moreover, because ceramic ring 1032 is to press down by shaft seal cover ring 102 to be interposed in 20 of body outer covers, and have the last lower shaft envelope 1031 that compresses on it, therefore, though shaft seal cover ring 102 is provided with and the extraneous heat radiation exhaust port 1021 that communicates with body outer cover 20 top peripheries, 201, also can not make ambient atmos seal 1031 from last lower shaft enters in the vertical pump, so, can make vertical pump gas clean-up of the present utility model, overcome the shortcoming that existing product can suck corrosive gas.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of vertical pump, be provided with groups of motors, shaft seal cover ring, go up lower shaft envelope, ceramic ring, body outer cover, middle tripe, blade and water delivering base, wherein the groups of motors below is respectively equipped with preceding cage of motor and axle center, below, axle center cover group is provided with shaft seal cover ring and axle sleeve, the axle sleeve peripheral sleeve is equipped with ceramic ring, the ceramic ring upper and lower is provided with the lower shaft envelope, after the upper-part combination, sheathed body outer cover, middle tripe and blade, the impeller pipe on blade top and axle sleeve wear affixed, and its underpart is provided with the water delivering base with outer pipe; It is characterized in that described shaft seal cover ring and body outer cover top periphery are provided with the exhaust port that distributes lower shaft envelope and ceramic ring friction generation heat with extraneous intercommunication.