CN207393539U - A kind of standard chemical pump - Google Patents

Abstract

The utility model discloses a kind of standard chemical pumps, including the pump housing, bearing bracket stand is installed on the right side of the pump housing, the bearing bracket stand is internally provided with axis, the left side of the axis is equipped with impeller, the junction of the axis and bearing bracket stand is equipped with the first rolling bearing, and the right side of the axis is connected by the second rolling bearing with bearing bracket stand.The standard chemical pump, pass through axis, the cooperation of first rolling bearing and the second rolling bearing, axis is rotated in by the first rolling bearing and the second rolling bearing on bearing bracket stand when working, it is designed by double rolling bearing, improve axis impeller axial direction precision when rotating, it avoids using uniaxial design the rotation of axis being caused to generate centrifugation offset in traditional technology, the first rolling bearing is fixed in bearing gland pressing, bearing (ball) cover carries out pressing fixation to the second rolling bearing, the first rolling bearing and the position of the second rolling bearing is avoided to shift, improve stablizing effect during axis work, ensure working effect.

Description

A kind of standard chemical pump

Technical field

The utility model is related to pump technical fields, are specially a kind of standard chemical pump.

Background technology

Pump is the important equipment of pumped (conveying) medium, is the main tool of plumbing, the most commonly seen building water supply in life Pumping for water pump is all used, is generally positioned at the basement or lowermost layer of high building, and multi-stage water pump obtains extensively because of its lift height Using, in existing pipeline pump, such as the utility model patent of Application No. 201520058752.3, including water pump cover, Pump motor, the pump shaft driven through shaft coupling by pump motor, the multi-stage impeller containing first stage impeller and impeller, sealing group Part, seal assembly include the seal receptacle for being socketed on pump shaft and being connected with water pump cover, are realized on water pump cover interior sealing seat The mechanical seal of pump shaft machine envelope although the patent weakens the friction between mechanical seal and pump shaft, in actual work, is stablized Effect is poor, influences working effect.

Utility model content

The purpose of this utility model is to provide a kind of standard chemical pump, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides following technical solution：A kind of standard chemical pump, including the pump housing, institute The inner right side for stating the pump housing is equipped with pump cover, and bearing bracket stand is installed on the right side of the pump housing, and the inside of the bearing bracket stand is set There is axis, the axis runs through the pump housing, and the left side of the axis is equipped with impeller, and the impeller is connected by impeller nut with axis, the leaf The junction of wheel and axis is equipped with key, and the inside left of the bearing bracket stand is equipped with axle sleeve, and the axis runs through axle sleeve, the axle sleeve and axis Junction be equipped with gasket, sealing gland is installed, the junction of the axis and bearing bracket stand is equipped with the on the right side of the axle sleeve One rolling bearing, the left and right ends of first rolling bearing are mounted on bearing gland, the outside of first rolling bearing Equipped with axis of rolling bearing sleeve, the right side of the axis is connected by the second rolling bearing with bearing bracket stand, outside second rolling bearing Side is equipped with bearing (ball) cover, and the right end front of the axis is equipped with keyway.

Preferably, the top of the bearing bracket stand is equipped with pedestal, and the pedestal is internally provided with dovetail groove, the dovetail groove Platen is internally provided with, side fluting is equipped at left and right sides of the inner wall of the dovetail groove, the inside of the side fluting is equipped with voussoir, institute Voussoir is stated to be fixedly connected with pedestal by fixing bolt, the top of the platen through being connected with threaded rod, the threaded rod with The junction of platen is equipped with thread bush, and the top of the threaded rod is equipped with hanging ring.

Preferably, the rear side of the bearing bracket stand is equipped with frame position lubricating cup, and the front of frame position lubricating cup, which is equipped with, regards oily window.

Preferably, the junction of the impeller nut and axis is equipped with O-ring.

Preferably, the inside of second rolling bearing is equipped with snap ring.

Compared with prior art, the beneficial effects of the utility model are：The standard chemical pump passes through axis, first axis of rolling The cooperation with the second rolling bearing is held, axis is rotated in by the first rolling bearing and the second rolling bearing on bearing bracket stand when working, It is designed by double rolling bearing, improves axis impeller axial direction precision when rotating, avoid setting using single shaft in traditional technology Meter causes the rotation of axis to generate centrifugation offset, and the first rolling bearing is fixed in bearing gland pressing, and bearing (ball) cover is to second axis of rolling It holds and carries out pressing fixation, the first rolling bearing and the position of the second rolling bearing is avoided to shift, improve steady when axis works Determine effect, ensure working effect.

Description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is the hanging ring structure diagram of the utility model.

In figure：1st, pump cover, 2, sealing gland, 3, axle sleeve, 4, bearing gland, 5, pedestal, the 6, first rolling bearing, 7, bearing Frame, 8, axis, 9, impeller, 10, the pump housing, 11, impeller nut, 12, O-ring, 13, key, 14, gasket, 15, axis of rolling bearing sleeve, 16, Depending on oily window, 17, frame position lubricating cup, 18, snap ring, the 19, second rolling bearing, 20, bearing (ball) cover, 21, keyway, 22, hanging ring, 23, ladder Shape slot, 24, side fluting, 25, fixing bolt, 26, threaded rod, 27, thread bush, 28, voussoir, 29, platen.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of standard chemical pump, including the pump housing 10, the pump housing 10 inner right side is equipped with pump cover 1, and the right side of the pump housing 10 is installed with bearing bracket stand 7, and bearing bracket stand 7 is installed on using M8 bolts It on the pump housing 10, is fixedly connected, M8 bolt quantities are 4, and bearing bracket stand 7 is internally provided with axis 8, and axis 8 is drive shaft, and right end connects Driving device is connect, driving device is chemical pump original power output device, and axis 8 runs through the pump housing 10, and the left side of axis 8 is equipped with impeller 9, Impeller 9 is connected by impeller nut 11 with axis 8, and impeller 9 and the junction of axis 8 are equipped with key 13, and it is left that key 13 is plugged on axis 8 first In the keyway of side, by the exposed portion of the keyway docking key 13 of 9 inside of impeller, it will be plugged on axis 8, using impeller nut 11 It is fixed, the inside left of bearing bracket stand 7 is equipped with axle sleeve 3, and axis 8 runs through axle sleeve 3, and axle sleeve 3 and the junction of axis 8 are equipped with gasket 14, the right side of axle sleeve 3 is equipped with sealing gland 2, and axis 8 and the junction of bearing bracket stand 7 are rolled equipped with the first rolling bearing 6, first The outside of bearing 6 is equipped with axis of rolling bearing sleeve 15, is rotated when axis 8 is rotated by the first rolling bearing 6 and the second rolling bearing 19 In on bearing bracket stand 7, the left and right ends of the first rolling bearing 6 are mounted on bearing gland 4, and the first rolling is fixed in the pressing of bearing gland 4 Dynamic bearing 6 avoids the position of the first rolling bearing 6 from shifting, and improves stablizing effect when axis 8 works, the right side of axis 8 passes through Second rolling bearing 19 is connected with bearing bracket stand 7, and the inside of the second rolling bearing 19 is equipped with snap ring 18, the second rolling bearing 19 it is outer Side is equipped with bearing (ball) cover 20, and bearing (ball) cover 20 carries out the second rolling bearing 19 pressing fixation, and the right end front of axis 8 is equipped with keyway 21, the rear side of bearing bracket stand 7 is equipped with frame position lubricating cup 17, and the front of frame position lubricating cup 17, which is equipped with, regards oily window 16, and the top of bearing bracket stand 7 is equipped with Pedestal 5, pedestal 5 are internally provided with dovetail groove 23, and dovetail groove 23 is internally provided with platen 29, the inner wall left and right sides of dovetail groove 23 Side fluting 24 is equipped with, the inside of side fluting 24 is equipped with voussoir 28, and voussoir 28 is fixedly connected by fixing bolt 25 with pedestal 5, The top of platen 29 is equipped with thread bush 27, threaded rod 26 through threaded rod 26, threaded rod 26 and the junction of platen 29 is connected with Top be equipped with hanging ring 22, hanging ring 22 is welded and fixed with threaded rod 26, and threaded rod 26 is threadedly connected to the screw thread inside platen 29 Set 27 in, 29 crosswise pushing of platen enters in pedestal 5, by 28 insertion side of voussoir slot 24 in, and voussoir 28 press platen 29, Voussoir 28 is fixed after running through using fixing bolt 25 from 5 outside of pedestal, when using hanging ring 22, strengthens the fixed effect of hanging ring 22 Fruit, and be convenient for changing.

When 8 Forced rotation of axis works, rotated in by the first rolling bearing 6 and the second rolling bearing 19 on bearing bracket stand 7, It is designed by double rolling bearing, improves 8 impeller 9 of axis axial direction precision when rotating, avoid in traditional technology using single shaft Design causes the rotation of axis 8 to generate centrifugation offset, and the first rolling bearing 6 is fixed in the pressing of bearing gland 4, and bearing (ball) cover 20 is to second Rolling bearing 19 carries out pressing fixation, and the first rolling bearing 6 and the position of the second rolling bearing 19 is avoided to shift, and improves axis Stablizing effect during 8 work when impeller 9 rotates, stirs liquid cyclone that water inlet pipe enters to water outlet pipe part, and impeller 9 It forms higher-pressure region after supercharging at impeller 9 in pump, accelerates the flowing velocity of liquid, accelerate work efficiency

In the description of the utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in Portion ", " other end ", " on ", " one side ", " top ", " interior ", " forepart ", " center ", the orientation of the instructions such as " both ends " or position close Be for based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and simplify description rather than Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot It is interpreted as the limitation to the utility model.

In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for description purpose, and it is not intended that instruction or It implies relative importance or the implicit quantity for indicating indicated technical characteristic, defines " first ", " second ", " the as a result, Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".

In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu It is fixed ", the terms such as " being screwed on " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral； Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, it can be with It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of standard chemical pump, including the pump housing (10), the inner right side of the pump housing (10) is equipped with pump cover (1), feature It is：It is installed with bearing bracket stand (7) on the right side of the pump housing (10), the bearing bracket stand (7) is internally provided with axis (8), described Axis (8) runs through the pump housing (10), and the left side of the axis (8) is equipped with impeller (9), and the impeller (9) passes through impeller nut (11) and axis (8) it is connected, the junction of the impeller (9) and axis (8) is equipped with key (13), and the inside left of the bearing bracket stand (7) is equipped with axle sleeve (3), the axis (8) runs through axle sleeve (3), and the axle sleeve (3) and the junction of axis (8) are equipped with gasket (14), the axle sleeve (3) Right side sealing gland (2) is installed, the junction of the axis (8) and bearing bracket stand (7) is equipped with the first rolling bearing (6), described The left and right ends of first rolling bearing (6) are mounted on bearing gland (4), and the outside of first rolling bearing (6) is equipped with rolling Moving axis bearing sleeve (15), the right side of the axis (8) are connected by the second rolling bearing (19) with bearing bracket stand (7), and described second rolls The outside of bearing (19) is equipped with bearing (ball) cover (20), and the right end front of the axis (8) is equipped with keyway (21).

2. a kind of standard chemical pump according to claim 1, it is characterised in that：The top of the bearing bracket stand (7) is equipped with base Seat (5), the pedestal (5) are internally provided with dovetail groove (23), and the dovetail groove (23) is internally provided with platen (29), the ladder Side fluting (24) is equipped at left and right sides of the inner wall of shape slot (23), the inside of the side fluting (24) is equipped with voussoir (28), described Voussoir (28) is fixedly connected by fixing bolt (25) with pedestal (5), and the top of the platen (29), which is run through, is connected with threaded rod (26), the threaded rod (26) and the junction of platen (29) are equipped with thread bush (27), and the top of the threaded rod (26) is equipped with Hanging ring (22).

3. a kind of standard chemical pump according to claim 1, it is characterised in that：The rear side of the bearing bracket stand (7) is equipped with frame Position lubricating cup (17), the front of frame position lubricating cup (17), which is equipped with, regards oily window (16).

4. a kind of standard chemical pump according to claim 1, it is characterised in that：The impeller nut (11) and axis (8) Junction is equipped with O-ring (12).

5. a kind of standard chemical pump according to claim 1, it is characterised in that：The inside of second rolling bearing (19) Equipped with snap ring (18).