CN212225585U - Vertical stainless steel multistage centrifugal pump - Google Patents

Vertical stainless steel multistage centrifugal pump Download PDF

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Publication number
CN212225585U
CN212225585U CN202021586844.6U CN202021586844U CN212225585U CN 212225585 U CN212225585 U CN 212225585U CN 202021586844 U CN202021586844 U CN 202021586844U CN 212225585 U CN212225585 U CN 212225585U
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CN
China
Prior art keywords
main shaft
groove
centrifugal pump
threaded rod
connector
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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.)
Expired - Fee Related
Application number
CN202021586844.6U
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Chinese (zh)
Inventor
陆钦臣
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Jiangsu Sina Pump Technology Co ltd
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Jiangsu Sina Pump Technology Co ltd
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Filing date
Publication date
Application filed by Jiangsu Sina Pump Technology Co ltd filed Critical Jiangsu Sina Pump Technology Co ltd
Priority to CN202021586844.6U priority Critical patent/CN212225585U/en
Application granted granted Critical
Publication of CN212225585U publication Critical patent/CN212225585U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a vertical stainless steel multistage centrifugal pump, relate to centrifugal pump technical field, which comprises a supporting body, the inside of supporter is provided with positive stator and main shaft, the impeller has been cup jointed to the one end surface of main shaft, the one end fixedly connected with connector of main shaft, the inside of main shaft is kept away from to the connector has seted up the spread groove, the one end surface that the main shaft was kept away from to the connector has cup jointed the installation head, the cavity has been seted up to the inside of installation head, the inside of cavity is provided with the threaded rod, the surface threaded connection of threaded rod has two connecting rods, the equal fixedly connected with fixture block in one side of keeping away from mutually of two connecting rods, logical groove has all been seted up to the upper. The utility model discloses a cup joint the installation head on the main shaft, then rotate the threaded rod and can make the connecting rod remove, the connecting rod removes and drives the fixture block and pass in leading to the groove entering draw-in groove for the impeller is fixed, and is swift convenient.

Description

Vertical stainless steel multistage centrifugal pump
Technical Field
The utility model relates to a centrifugal pump technical field specifically is a vertical stainless steel multistage centrifugal pump.
Background
The centrifugal pump works by utilizing the centrifugal motion of water generated by the rotation of an impeller, before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives the impeller and the water to rotate at a high speed, the water generates the centrifugal motion and is thrown to the outer edge of the impeller and flows into a water pressing pipeline of the water pump through a flow channel of a volute-shaped pump shell,
however, in the prior art, the impeller of the neutral stainless steel multistage centrifugal pump is mostly installed on the main shaft through bolts, and during installation, the bolts need to be continuously screwed down by means of tools, so that the installation is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a be not enough to prior art, the utility model provides a vertical stainless steel multistage centrifugal pump has solved among the above-mentioned background art neutral stainless steel multistage centrifugal pump's among the prior art that proposes impeller and has installed main epaxial through the bolt more, when the installation, need screw up the bolt with the help of the instrument is not stopped, problem that the installation is wasted time and energy.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a vertical stainless steel multistage centrifugal pump, includes the supporter, the inside of supporter is provided with positive stator and main shaft, the impeller has been cup jointed to the one end surface of main shaft, the one end fixedly connected with connector of main shaft, the connector is kept away from the inside of main shaft and is seted up the spread groove, the one end surface that the main shaft was kept away from to the connector has been cup jointed the installation head, the cavity has been seted up to the inside of installation head, the inside of cavity is provided with the threaded rod, the surface threaded connection of threaded rod has two connecting rods, two the equal fixedly connected with fixture block in one side of keeping away from mutually of connecting rod, logical groove has all been seted up to the upper surface and the lower surface of connector, the draw-.
Furthermore, the clamping groove is communicated with the through groove, the cross sectional areas of the clamping block, the through groove and the clamping groove are all set to be circular, and the through groove is matched with the clamping block.
Furthermore, the bottom end of the threaded rod is rotatably connected with the inner bottom wall of the mounting head through a bearing, the top end of the threaded rod penetrates through the mounting head and is fixedly connected with a rotating knob, the rotating knob is located above the mounting head, and the upper end of the threaded rod is rotatably connected with the top end of the mounting head through a bearing.
Furthermore, the front surface of the connecting rod is in contact with the inner wall of the front surface of the connector, and the back surface of the connecting rod is in contact with the inner wall of the back surface of the connector.
Further, fixture block fixed connection keeps away from the one end of threaded rod at the connecting rod, leave the clearance between the connecting rod and the one end inner wall that the main shaft was kept away from to the installation head.
Furthermore, a threaded hole matched with the threaded rod is formed in the connecting rod.
(III) advantageous effects
The utility model provides a vertical stainless steel multistage centrifugal pump possesses following beneficial effect:
(1) this vertical stainless steel multistage centrifugal pump through cup jointing the installation head on the main shaft, then rotates the threaded rod and can make the connecting rod remove, can drive the fixture block through the connecting rod removal and pass logical groove entering draw-in groove, can make the impeller fixed, and is swift convenient, and the installation is firm, has satisfied people's demand.
(2) This vertical stainless steel multistage centrifugal pump through the setting of turning round, has made things convenient for the user to the rotation of threaded rod, because the installation head supports the impeller for the fixed of impeller is more firm.
Drawings
FIG. 1 is a schematic view of a supporting body structure of the vertical stainless steel multistage centrifugal pump of the present invention;
fig. 2 is an enlarged schematic view of the structure at a position in fig. 1 of the vertical stainless steel multistage centrifugal pump of the present invention.
In the figure: 1. a support body; 2. a positive guide vane; 3. a main shaft; 4. an impeller; 5. a connector; 6. a mounting head; 7. a threaded rod; 8. a connecting rod; 9. a clamping block; 10. a card slot; 11. and (6) turning.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-2, the present invention provides a technical solution:
a vertical stainless steel multistage centrifugal pump comprises a support body 1, a positive guide vane 2 and a main shaft 3 are arranged inside the support body 1, an impeller 4 is sleeved on the outer surface of one end of the main shaft 3, a connector 5 is fixedly connected to one end of the main shaft 3, a connecting groove is formed in the connector 5 far away from the main shaft 3, an installing head 6 is sleeved on the outer surface of one end of the connector 5 far away from the main shaft 3, a cavity is formed in the installing head 6, a threaded rod 7 is arranged inside the cavity, the bottom end of the threaded rod 7 is rotatably connected with the inner bottom wall of the installing head 6 through a bearing, the top end of the threaded rod 7 penetrates through the installing head 6 and is fixedly connected with a rotating knob 11, the rotating knob 11 is positioned above the installing head 6, the upper end of the threaded rod 7 is rotatably connected with the top end of the installing head 6 through a bearing, the connecting rod 8 is provided with a threaded hole matched with the threaded rod 7, the front surface of the connecting rod 8 is contacted with the front inner wall of the connecting head 5, the back surface of the connecting rod 8 is contacted with the back inner wall of the connecting head 5, a gap is reserved between the connecting rod 8 and the inner wall of one end of the mounting head 6 far away from the main shaft 3, one sides of the two connecting rods 8 far away from each other are fixedly connected with a clamping block 9, the clamping block 9 is fixedly connected with one end of the connecting rod 8 far away from the threaded rod 7, the upper surface and the lower surface of the connecting head 5 are provided with through grooves, the inner walls of two sides of the impeller 4 are provided with clamping grooves 10, the clamping grooves 10 are matched with the clamping blocks 9, the cross-sectional areas of the through grooves and the clamping grooves 10 are circular, the through grooves are matched with the clamping blocks 9, when the impeller 4, then the mounting head 6 is inserted on the main shaft 3 and is abutted against the impeller 4, the mounting head 6 is inserted into the main shaft 3 by the steps of firstly symmetrically mounting a cavity formed by the head 6 on the connecting head 5, simultaneously aligning the connecting rod 8 and the fixture block 9 with a connecting groove formed by the connecting head 5, then sleeving the mounting head 6 on the connecting head 5, enabling the upper surface, the lower surface, the front surface and the back surface of the connecting head 5 to be respectively contacted with the inner top wall, the inner bottom wall, the front inner wall and the back inner wall of the mounting head 6, and leaving a gap between the connecting head 5 and the threaded rod 7, at the moment, the connecting rod 8 and the fixture block 9 are positioned in the connecting groove formed by the connecting head 5, the position of the fixture block 9 corresponds to the positions of the through groove and the clamping groove 10, then, by the rotating screw rod 7 of, the connecting rod 8 can drive the fixture block 9 to move in the moving process until the rotating knob 11 cannot rotate, the fixture block 9 penetrates through the through groove and enters the clamping groove 10, at the moment, the impeller 4 is installed, the installation head 6 is fixed on the spindle 3, the installation head 6 abuts against the impeller 4, and the impeller 4 is fixed more firmly.
The working principle of the vertical stainless steel multistage centrifugal pump is that when the impeller 4 needs to be installed, the impeller 4 is firstly sleeved on the main shaft 3, the clamping groove 10 formed in the impeller 4 corresponds to and is communicated with the through groove formed in the connector 5, then the installing head 6 is inserted on the main shaft 3 and is abutted against the impeller 4, the installing head 6 is inserted into the main shaft 3 in the process that the connector 5 is symmetrical to a cavity formed in the installing head 6, meanwhile, the connecting rod 8 and the clamping block 9 are aligned to the connecting groove formed in the connector 5, then the installing head 6 is sleeved on the connector 5, the upper surface, the lower surface, the front surface and the back surface of the connector 5 are respectively contacted with the inner top wall, the inner bottom wall, the front surface inner wall and the back surface of the installing head 6, a gap is reserved between the connector 5 and the threaded rod 7, at the moment, the connecting rod 8 and the clamping block 9 are positioned, then through turning round 11 corotation threaded rod 7, threaded rod 7 rotates the screw hole that the in-process was seted up through connecting rod 8 and drives connecting rod 8 and remove to the direction that is close to draw-in groove 10, connecting rod 8 can drive fixture block 9 and remove at the removal in-process, when turning round 11 can not rotate, show that fixture block 9 passes logical groove and gets into in the draw-in groove 10, at this moment, the installation of impeller 4 is accomplished, make installation head 6 fix on main shaft 3 simultaneously, and installation head 6 supports impeller 4, make impeller 4's fixed more firm.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A vertical stainless steel multistage centrifugal pump comprises a support body (1) and is characterized in that a positive guide vane (2) and a main shaft (3) are arranged inside the support body (1), an impeller (4) is sleeved on the outer surface of one end of the main shaft (3), a connector (5) is fixedly connected to one end of the main shaft (3), a connecting groove is formed in the connector (5) far away from the main shaft (3), an installing head (6) is sleeved on the outer surface of one end of the connector (5) far away from the main shaft (3), a cavity is formed in the installing head (6), a threaded rod (7) is arranged inside the cavity, two connecting rods (8) are in threaded connection with the outer surface of the threaded rod (7), a clamping block (9) is fixedly connected to one side, far away from each other, of the two connecting rods (8), and a through groove is formed in the upper surface and, the impeller is characterized in that clamping grooves (10) are formed in the inner walls of the two sides of the impeller (4), and the clamping grooves (10) are matched with the clamping blocks (9).
2. The vertical stainless steel multistage centrifugal pump according to claim 1,
the clamping groove (10) is communicated with the through groove, the cross sections of the clamping block (9), the through groove and the clamping groove (10) are all circular, and the through groove is matched with the clamping block (9).
3. The vertical stainless steel multistage centrifugal pump according to claim 1,
the bottom of threaded rod (7) is passed through the bearing and is connected with the interior diapire rotation of installation head (6), installation head (6) and fixedly connected with turn-button (11) are run through on the top of threaded rod (7), turn-button (11) are located the top of installation head (6), the upper end of threaded rod (7) is passed through the bearing and is connected with the top rotation of installation head (6).
4. The vertical stainless steel multistage centrifugal pump according to claim 1,
the front of connecting rod (8) and the front inner wall contact of connector (5), the back of connecting rod (8) and the back inner wall contact of connector (5).
5. The vertical stainless steel multistage centrifugal pump according to claim 1,
fixture block (9) fixed connection keeps away from the one end of threaded rod (7) in connecting rod (8), leave the clearance between connecting rod (8) and the one end inner wall of installing head (6) keep away from main shaft (3).
6. The vertical stainless steel multistage centrifugal pump according to claim 1,
and a threaded hole matched with the threaded rod (7) is formed in the connecting rod (8).
CN202021586844.6U 2020-08-04 2020-08-04 Vertical stainless steel multistage centrifugal pump Expired - Fee Related CN212225585U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021586844.6U CN212225585U (en) 2020-08-04 2020-08-04 Vertical stainless steel multistage centrifugal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021586844.6U CN212225585U (en) 2020-08-04 2020-08-04 Vertical stainless steel multistage centrifugal pump

Publications (1)

Publication Number Publication Date
CN212225585U true CN212225585U (en) 2020-12-25

Family

ID=73911000

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021586844.6U Expired - Fee Related CN212225585U (en) 2020-08-04 2020-08-04 Vertical stainless steel multistage centrifugal pump

Country Status (1)

Country Link
CN (1) CN212225585U (en)

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Granted publication date: 20201225