CN218991937U

CN218991937U - Single-stage single-suction chemical centrifugal pump

Info

Publication number: CN218991937U
Application number: CN202222580314.6U
Authority: CN
Inventors: 严伟荣
Original assignee: Mitsui Chemical Functional Composite Plastics Shanghai Co ltd
Current assignee: Mitsui Chemical Functional Composite Plastics Shanghai Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-05-09
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to the technical field of centrifugal pumps, in particular to a single-stage single-suction chemical centrifugal pump. The centrifugal pump stabilizing device comprises a centrifugal pump and a stabilizing mechanism, wherein the stabilizing mechanism comprises a base, the base is positioned on the bottom end surface of the centrifugal pump, the bottom end surface of the centrifugal pump is fixedly connected with a connecting seat, the bottom end surface of the connecting seat is provided with a positioning groove, the top end surface of the base is provided with a positioning block, the positioning block is movably connected to the inner side of the positioning groove, a first movable groove is formed in the positioning block, the top end surface of the base is provided with a second movable groove, the first movable groove and the second movable groove are in a communicating state, and the inner side of the second movable groove is provided with a connecting component; through the stabilizing mean who sets up, when needs are installed single-stage single chemical industry centrifugal pump in different places, can judge the installation of base by oneself according to the specific circumstances in place or not to replace the base on the centrifugal pump in a flexible way better, make the centrifugal pump can be applicable to various different places, it is more convenient.

Description

Single-stage single-suction chemical centrifugal pump

Technical Field

The utility model relates to the technical field of centrifugal pumps, in particular to a single-stage single-suction chemical centrifugal pump.

Background

The single-stage single-suction centrifugal pump adopts the most advanced hydraulic model, is designed according to the combination of the performance parameters of the is-type centrifugal pump and the unique structure of the vertical pump, and is strictly designed and manufactured according to international iso 2858. The single-stage single-suction centrifugal pumps are classified into a plurality of types according to different use environments, and bases with different sizes are also required according to different use environments;

the utility model discloses a single-stage single-suction cantilever type chemical centrifugal pump, such as the one disclosed in the patent publication No. CN211423022U, although the cooling tank is arranged for circulating in and out, external cooling liquid can be continuously led into the cooling tank in a circulating way, the working temperature of the joint of a main shaft and a mechanical seal is reduced, the main shaft can be ensured to be in a low-temperature state stably for a long time, and the phenomenon of high-temperature fault of the centrifugal pump is prevented, but the problem that the size of a base of the centrifugal pump is determined is not solved, when the centrifugal pump needs to be placed to different places and the bases of different sizes are needed, the size of the base cannot be adjusted, and the flexibility is too bad is solved.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the single-stage single-suction chemical centrifugal pump, when the single-stage single-suction chemical centrifugal pump is required to be installed in different places, whether the base is installed or not can be automatically judged according to the specific conditions of the places, so that the base on the centrifugal pump can be flexibly replaced better, the centrifugal pump can be suitable for various different places, and the convenience is improved.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a single-stage single-suction chemical centrifugal pump, includes centrifugal pump and stabilizing mean, and stabilizing mean includes the base, the base is located centrifugal pump bottom surface, centrifugal pump bottom surface fixedly connected with connecting seat, the constant head tank has been seted up to the connecting seat bottom surface, base top surface is provided with the locating piece, locating piece swing joint is inboard in the constant head tank, first movable groove has been seted up to the locating piece inside, the second movable groove has been seted up to base top surface, first movable groove is the intercommunication state with the second movable groove, second movable groove inboard is provided with coupling assembling.

As a preferable technical scheme of the utility model, the connecting component comprises a rotating rod, the rotating rod is connected to the inner side of the second movable groove through a bearing, one end of the rotating rod is positioned on the outer side of the base, a gear is fixedly connected to the outer side of the rotating rod, one end of the gear is positioned on the inner side of the first movable groove, a rack is connected to the outer side of the gear in a meshed manner, the rack is positioned on the inner side of the first movable groove, a limiting groove is formed in the inner side of the positioning groove, and one end of the rack is movably connected to the inner side of the limiting groove.

As a preferable technical scheme of the utility model, the surface of the top end of the rack is provided with a first threaded hole, the surface of the top end of the connecting seat is provided with a second threaded hole, the second threaded hole is communicated with the limit groove, and the inner sides of the second threaded hole and the first threaded hole are both in threaded connection with a limit screw.

As a preferable technical scheme of the utility model, the outer side of the limit screw is movably connected with a limit ring, and the limit ring is positioned at the joint of the limit screw and the connecting seat.

As a preferred technical scheme of the utility model, the auxiliary mechanism further comprises an auxiliary mechanism, wherein the auxiliary mechanism comprises a connecting clamping block, the connecting clamping block is fixedly connected to the outer side of one end of the rotating rod, which is positioned on the outer side of the base, an auxiliary sleeve rod is sleeved on the outer side of the rotating rod, an inserting groove is formed in the end face of one end of the auxiliary sleeve rod, one end of the rotating rod is positioned on the inner side of the inserting groove, a connecting sliding groove is formed in the inner side of the inserting groove, a connecting limiting groove is formed in the inner side of the connecting sliding groove, and the connecting clamping block is movably connected to the inner sides of the connecting sliding groove and the connecting limiting groove.

As a preferable technical scheme of the utility model, the connecting clamping blocks, the connecting sliding grooves and the connecting limiting grooves are respectively annularly distributed around the outer side of the rotating rod and the inner side of the inserting groove, and buffer pads are arranged at the connecting positions of the connecting clamping blocks and the connecting limiting grooves.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the stabilizing mechanism, when the single-stage single-suction chemical centrifugal pump is required to be installed in different places, whether the base is installed or not can be judged according to the specific conditions of the places, so that the base on the centrifugal pump can be replaced flexibly, the centrifugal pump can be suitable for various different places, and the convenience is improved;

2. through the auxiliary mechanism that sets up, when the dismouting base is needed, can utilize this mechanism to assist the rotation of bull stick to can control stabilizing mean with more laborsaving mode, promote convenient to use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2B in accordance with the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2C in accordance with the present utility model;

wherein: 1. a base; 2. a centrifugal pump; 3. an auxiliary loop bar; 11. a positioning block; 12. a first movable groove; 13. a second movable groove; 14. a rotating rod; 15. a gear; 16. a rack; 17. a first threaded hole; 18. connecting a clamping block; 21. a connecting seat; 22. a positioning groove; 23. a limit groove; 24. a second threaded hole; 25. a limit screw; 26. a limiting ring; 31. an insertion groove; 32. the connecting chute; 33. and the limiting groove is connected.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Example 1:

as shown in fig. 1-3, a single-stage single-suction chemical centrifugal pump comprises a centrifugal pump 2 and a stabilizing mechanism, wherein the stabilizing mechanism comprises a base 1, the base 1 is positioned on the bottom end surface of the centrifugal pump 2, the bottom end surface of the centrifugal pump 2 is fixedly connected with a connecting seat 21, a positioning groove 22 is formed in the bottom end surface of the connecting seat 21, a positioning block 11 is arranged on the top end surface of the base 1, the positioning block 11 is movably connected to the inner side of the positioning groove 22, a first movable groove 12 is formed in the positioning block 11, a second movable groove 13 is formed in the top end surface of the base 1, the first movable groove 12 and the second movable groove 13 are in a communicating state, and a connecting assembly is arranged on the inner side of the second movable groove 13; the connecting assembly comprises a rotating rod 14, the rotating rod 14 is connected to the inner side of the second movable groove 13 in a bearing way, one end of the rotating rod 14 is positioned at the outer side of the base 1, a gear 15 is fixedly connected to the outer side of the rotating rod 14, one end of the gear 15 is positioned at the inner side of the first movable groove 12, a rack 16 is connected to the outer side of the gear 15 in a meshed manner, the rack 16 is positioned at the inner side of the first movable groove 12, a limiting groove 23 is formed in the inner side of the positioning groove 22, and one end of the rack 16 is movably connected to the inner side of the limiting groove 23;

when a large-scale base is needed in a single-stage single-suction chemical centrifugal pump installation program, a positioning block 11 is pushed into the inner side of a positioning groove 22, so that a centrifugal pump 2 is placed on a base 1, a rotating rod 14 is rotated, the rotating rod 14 drives a gear 15 to rotate, a rack 16 moves towards the direction of a limiting groove 23 while the gear 15 rotates until the rack 16 enters the limiting groove 23, and connection between the base 1 and the centrifugal pump 2 is completed; when the single-stage single-suction chemical centrifugal pump is required to be installed in different places, whether the base 1 is installed or not can be automatically judged according to the specific conditions of the places, so that the base on the centrifugal pump 2 is better replaced flexibly, the centrifugal pump 2 can be suitable for various different places, and the convenience is improved.

In other embodiments, as shown in fig. 2-3, the top surface of the rack 16 is provided with a first threaded hole 17, the top surface of the connecting seat 21 is provided with a second threaded hole 24, the second threaded hole 24 is communicated with the limit groove 23, and the inner sides of the second threaded hole 24 and the first threaded hole 17 are both in threaded connection with a limit screw 25; by means of the design, when the rack 16 extends into the limit groove 23, the position of the rack 16 can be limited, the limit screw 25 is connected with the second threaded hole 24 and the first threaded hole 17, and the connection stability between the rack 16 and the limit groove 23 is improved.

In other embodiments, as shown in fig. 3, the outer side of the limiting screw 25 is movably connected with a limiting ring 26, and the limiting ring 26 is located at the connection position between the limiting screw 25 and the connecting seat 21; by this design, the connection between the limit screw 25 and the connection seat 21 can be made more stable.

Example 2:

in other embodiments, as shown in fig. 1, 2 and 4, the embodiment discloses that the device further comprises an auxiliary mechanism, wherein the auxiliary mechanism comprises a connecting clamping block 18, the connecting clamping block 18 is fixedly connected to the outer side of one end of the rotating rod 14, which is positioned at the outer side of the base 1, the outer side of the rotating rod 14 is sleeved with an auxiliary loop bar 3, an inserting groove 31 is formed in the end face of one end of the auxiliary loop bar 3, one end of the rotating rod 14 is positioned at the inner side of the inserting groove 31, a connecting sliding groove 32 is formed in the inner side of the inserting groove 31, a connecting limiting groove 33 is formed in the inner side of the connecting sliding groove 32, and the connecting clamping block 18 is movably connected to the inner sides of the connecting sliding groove 32 and the connecting limiting groove 33;

when the base 1 needs to be disassembled and assembled, the insertion groove 31 is pushed in after being aligned with the rotating rod 14, the connecting clamping block 18 enters the connecting sliding groove 32, the auxiliary sleeve rod 3 is rotated, the connecting clamping block 18 is clamped into the connecting limiting groove 33, then the auxiliary sleeve rod 3 is continuously rotated, and the auxiliary sleeve rod 3 can drive the rotating rod 14 to rotate together; when the base 1 needs to be disassembled and assembled, the rotation of the rotating rod 14 can be assisted by the mechanism, so that the stabilizing mechanism can be controlled in a more labor-saving mode, and the use convenience is improved.

In other embodiments, as shown in fig. 2 and 4, the connection clamping block 18, the connection sliding groove 32 and the connection limiting groove 33 are annularly distributed around the outer side of the rotating rod 14 and the inner side of the insertion groove 31 respectively, and a buffer pad is arranged at the connection position of the connection clamping block 18 and the connection limiting groove 33; through this design, let supplementary loop bar 3 and the connection of bull stick 14 can be more stable, and the design of blotter then let the connection fixture block 18 get into in the connection spacing groove 33 have the buffering power to alleviate, and is softer, can not appear the part damage.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a single-stage single-suction chemical industry centrifugal pump, includes centrifugal pump (2) and stabilizing mean, its characterized in that: the stabilizing mean includes base (1), base (1) is located centrifugal pump (2) bottom surface, centrifugal pump (2) bottom surface fixedly connected with connecting seat (21), constant head tank (22) have been seted up to connecting seat (21) bottom surface, base (1) top surface is provided with locating piece (11), locating piece (11) swing joint is inboard in constant head tank (22), first movable groove (12) have been seted up to locating piece (11) inside, second movable groove (13) have been seted up on base (1) top surface, first movable groove (12) are the intercommunication state with second movable groove (13), second movable groove (13) inboard is provided with coupling assembling.

2. A single stage, single suction chemical centrifugal pump according to claim 1, wherein: the connecting assembly comprises a rotating rod (14), the rotating rod (14) is connected to the inner side of a second movable groove (13) in a bearing mode, one end of the rotating rod (14) is located on the outer side of the base (1), a gear (15) is fixedly connected to the outer side of the rotating rod (14), one end of the gear (15) is located on the inner side of a first movable groove (12), a rack (16) is connected to the outer side of the gear (15) in a meshed mode, the rack (16) is located on the inner side of the first movable groove (12), a limiting groove (23) is formed in the inner side of a positioning groove (22), and one end of the rack (16) is movably connected to the inner side of the limiting groove (23).

3. A single stage, single suction chemical centrifugal pump according to claim 2, wherein: the novel connecting rack is characterized in that a first threaded hole (17) is formed in the top surface of the rack (16), a second threaded hole (24) is formed in the top surface of the connecting seat (21), the second threaded hole (24) and the limiting groove (23) are in a communicating state, and a limiting screw (25) is connected with the inner side of the second threaded hole (24) and the inner side of the first threaded hole (17) in a threaded mode.

4. A single stage, single suction chemical centrifugal pump according to claim 3, wherein: the outside of the limit screw (25) is movably connected with a limit ring (26), and the limit ring (26) is positioned at the joint of the limit screw (25) and the connecting seat (21).

5. A single stage, single suction chemical centrifugal pump according to claim 1, wherein: still include auxiliary mechanism, auxiliary mechanism includes connection fixture block (18), connection fixture block (18) fixed connection is in the one end outside in the base (1) outside in bull stick (14), auxiliary loop bar (3) have been cup jointed in bull stick (14) outside, insert groove (31) have been seted up to auxiliary loop bar (3) one end terminal surface, bull stick (14) one end is located insert groove (31) inboard, connection spout (32) have been seted up to insert groove (31) inboard, connection spacing groove (33) have been seted up to connection spout (32) inboard, connection fixture block (18) swing joint is inboard in connection spout (32) and connection spacing groove (33).

6. A single stage, single suction chemical centrifugal pump according to claim 5, wherein: the connecting clamping blocks (18), the connecting sliding grooves (32) and the connecting limiting grooves (33) are annularly distributed around the outer side of the rotating rod (14) and the inner side of the inserting groove (31) respectively, and buffer pads are arranged at the connecting positions of the connecting clamping blocks (18) and the connecting limiting grooves (33).