Adjustable centrifugal pump inlet and outlet flange connecting device

Abstract

The utility model relates to the field of centrifugal pumps, and discloses an adjustable centrifugal pump inlet and outlet flange connecting device which comprises a base, a centrifugal pump is fixedly connected to the top of the base, a connecting assembly is fixedly connected to the side wall of the centrifugal pump, and a sealing assembly is arranged in the connecting assembly. The connecting assembly comprises a connecting flange arranged above the base, two clamping blocks are fixedly connected into the connecting flange, a mounting sleeve is fixedly connected to the side wall of the centrifugal pump, a spring is fixedly connected into the mounting sleeve, one end of the spring is fixedly connected with a limiting plate, and a connecting sleeve is fixedly connected to the side wall of the limiting plate. A clamping groove is formed in the side wall of the connecting sleeve, and a sliding groove is formed in the connecting sleeve. According to the utility model, through the structural arrangement of the connecting assembly, the problems that in the prior art, when the flange is disassembled and assembled, a large number of bolts need to be disassembled and assembled, time and labor are wasted, and the working efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump field especially adjustable centrifugal pump import and export flange connecting device. BACKGROUND

[0002] With the continuous expansion of industrial production and engineering construction scale, the application scene of centrifugal pump is increasingly complex, and the equipment installation faces the position and angle deviation of pipeline interface, and the connection problem caused by thermal expansion and cold shrinkage, foundation settlement and equipment vibration during operation, in order to realize the accurate butt joint of centrifugal pump import and export and pipeline, guarantee the stable operation of system and improve the installation and maintenance efficiency, the centrifugal pump import and export flange connecting device is particularly important.

[0003] The existing centrifugal pump import and export flange connecting device mainly relies on the bolt hole on the flange plate and the corresponding pipeline flange to align, makes two flanges tightly adhere through tightening bolt, and places sealing gasket in the middle to ensure the sealing of connection, when installing, the position and angle of centrifugal pump import and export flange and pipeline flange need to be accurately adjusted, ensure that the bolt can smoothly pass through the bolt hole, then evenly tighten the bolt, make enough pressure between the flanges, press the sealing gasket tightly, so as to realize the sealed transmission of fluid between the centrifugal pump and the pipeline, prevent leakage.

[0004] The existing centrifugal pump import and export flange connecting device needs a large number of bolt disassembly and assembly when disassembling and assembling the flange, which is time-consuming and laborious, and the work efficiency is low, therefore, the adjustable centrifugal pump import and export flange connecting device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides adjustable centrifugal pump import and export flange connecting device, aims at improving the problem that a large number of bolts need to be disassembled and assembled when disassembling and assembling the flange in the prior art, which is time-consuming and laborious, and the work efficiency is low.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: adjustable centrifugal pump import and export flange connecting device, including base, the base top fixedly connected with centrifugal pump, the centrifugal pump side wall fixedly connected with connecting assembly, the connecting assembly inside is provided with sealing assembly, the connecting assembly includes the connecting flange who sets up above the base, the connecting flange inside fixedly connected with two clamping blocks, the centrifugal pump side wall fixedly connected with installation sleeve, the installation sleeve inside fixedly connected with spring, the spring one end fixedly connected with limit plate, the limit plate side wall fixedly connected with connecting sleeve, the connecting sleeve side wall is equipped with clamping groove, the connecting sleeve inside is equipped with sliding slot;

[0007] As a further description of the above technical scheme:

[0008] The sealing assembly comprises a first connecting pipe fixedly connected inside the connecting flange, a second connecting pipe fixedly connected inside the mounting sleeve, a sealing groove formed inside one end of the second connecting pipe, and a sealing sleeve abutting inside the second connecting pipe.

[0009] As a further description of the above technical solution:

[0010] The base is fixedly connected with a motor at the top, and the connecting flange is fixedly connected with a water pipe inside.

[0011] As a further description of the above technical solution:

[0012] The clamping block is of an L-shaped structure, and the clamping groove and the sliding groove are in communication with each other.

[0013] As a further description of the above technical solution:

[0014] The clamping block and the limiting plate abut against each other, and the connecting flange abuts against the side wall of the mounting sleeve.

[0015] As a further description of the above technical solution:

[0016] The clamping block is slidingly connected inside the clamping groove, and the clamping block is slidingly connected inside the sliding groove.

[0017] As a further description of the above technical solution:

[0018] The limiting plate is slidingly connected inside the mounting sleeve, and the limiting plate is slidingly connected on the surface of the second connecting pipe.

[0019] As a further description of the above technical solution:

[0020] The first connecting pipe is slidingly connected inside the sealing groove, the sealing sleeve is located inside the sealing groove, and the first connecting pipe abuts against one side of the sealing sleeve.

[0021] The utility model has the advantages of the following:

[0022] 1、The utility model discloses a connecting assembly, which comprises a base, a connecting flange fixedly connected with the base, a mounting sleeve fixedly connected with the connecting flange, a clamping block slidingly connected inside the mounting sleeve, a clamping groove formed inside the clamping block, a spring fixedly connected with the clamping block, a limiting plate fixedly connected with the spring, a sliding groove formed inside the limiting plate, a second connecting pipe fixedly connected with the limiting plate, and a sealing sleeve fixedly connected with the second connecting pipe.

[0023] 2、The utility model discloses a sealing assembly structure setting, through the mode of first connecting pipe insertion sealing groove extrusion seal cover, can realize reliable sealing while connecting first connecting pipe and second connecting pipe, effectively prevent fluid leakage, guarantee the normal operation of centrifugal pump system, the cooperation of first connecting pipe and sealing groove makes two connecting pipes connect closely, strengthens the structural stability of connecting part, can bear the vibration and fluid pressure when centrifugal pump operates, strengthens the practicality of adjustable centrifugal pump inlet and outlet flange connecting device. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 It is the three-dimensional schematic view of adjustable centrifugal pump inlet and outlet flange connecting device that the utility model provides;

[0025] Fig. 2 It is the structure schematic view of connecting assembly of adjustable centrifugal pump inlet and outlet flange connecting device that the utility model provides;

[0026] Fig. 3 It is the structure schematic view of sealing assembly of adjustable centrifugal pump inlet and outlet flange connecting device that the utility model provides.

[0027] LEGEND:

[0028] 1, base, 2, centrifugal pump, 3, connecting assembly, 4, sealing assembly, 5, motor, 6, water pipe, 31, connecting flange, 32, clamping block, 33, mounting sleeve, 34, spring, 35, limit plate, 36, connecting sleeve, 37, clamping groove, 38, sliding groove, 41, first connecting pipe, 42, second connecting pipe, 43, sealing groove, 44, sealing cover. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0030] REFERENCE Figs. 1-3The utility model provides an adjustable centrifugal pump import and export flange connecting device, including base 1, the top of base 1 is fixedly connected with centrifugal pump 2, and base 1 provides stable support base for centrifugal pump 2, ensures that centrifugal pump 2 keeps stable when running, and the side wall of centrifugal pump 2 is fixedly connected with connecting assembly 3, makes the disassembly of flange more convenient, and connecting assembly 3 is provided with sealing assembly 4 inside, seals the flange connecting place, prevents fluid leakage, and connecting assembly 3 includes the connecting flange 31 being set up above base 1, two clamping blocks 32 are fixedly connected in the connecting flange 31, the connecting flange 31 can drive clamping block 32 to be connected, and fixed clamping block 32 position, the side wall of centrifugal pump 2 is fixedly connected with mounting sleeve 33, and mounting sleeve 33 provides installation carrier for other components of connecting assembly 3, plays the role of integration and protection internal structure, spring 34 is fixedly connected in mounting sleeve 33, spring 34 has elastic buffer function, can absorb impact force in the connecting process, and can provide reset force after being connected in place, one end of spring 34 is fixedly connected with limit plate 35, and limit plate 35 can be positioned clamping block 32 under the action of spring 34, the side wall of limit plate 35 is fixedly connected with connecting sleeve 36, and connecting sleeve 36 further enhances the structural strength and stability of limit plate 35, simultaneously provides guiding track for the sliding of clamping block 32, the side wall of connecting sleeve 36 is provided with clamping groove 37, and clamping groove 37 is positioned clamping block 32, sliding slot 38 is set up in connecting sleeve 36, and clamping block 32 enters sliding slot 38 and is finally fixed, the top of base 1 is fixedly connected with motor 5, and motor 5 provides power source for centrifugal pump 2, water pipe 6 is fixedly connected in connecting flange 31, clamping block 32 is L type structure, clamping groove 37 and sliding slot 38 are interconnected, and clamping block 32 can smoothly enter the inside of connecting sleeve 36, clamping block 32 and limit plate 35 abut each other, and limit plate 35 is positioned clamping block 32, and connecting flange 31 abuts in the side wall of mounting sleeve 33, realizes the installation connection of connecting flange 31 and mounting sleeve 33, clamping block 32 is slidably connected in clamping groove 37, clamping groove 37 cooperates with clamping block 32, guides clamping block 32 to enter connecting sleeve 36, realizes the preliminary positioning of connecting flange 31 and mounting sleeve 33, clamping block 32 is slidably connected in sliding slot 38, and connecting flange 31 can be accurately clamped into sliding slot 38 after rotating, completes final fixed connection, limit plate 35 is slidably connected in mounting sleeve 33, limit plate 35 is slidably connected on the surface of second connecting pipe 42, and clamping block 32 extrudes limit plate 35 to make limit plate 35 slide in mounting sleeve 33 and on the surface of second connecting pipe 42.

[0031] Refer to Figs. 1-3The sealing assembly 4 comprises a first connecting pipe 41 fixedly connected inside the connecting flange 31, the first connecting pipe 41 provides basic support for the connecting flange 31, a second connecting pipe 42 is fixedly connected inside the mounting sleeve 33, the fixed connection of the second connecting pipe 42 with the mounting sleeve 33 guarantees the stability of the overall structure, a sealing groove 43 is formed in one end of the second connecting pipe 42, a sealing sleeve 44 is abutted inside the second connecting pipe 42, the sealing groove 43 provides mounting space for the sealing sleeve 44, through reasonable structure design, the sealing sleeve 44 can better play a sealing role when being extruded, the first connecting pipe 41 is slidingly connected inside the sealing groove 43, the sealing sleeve 44 is located inside the sealing groove 43, the first connecting pipe 41 is abutted on one side of the sealing sleeve 44, when the first connecting pipe 41 is inserted into the sealing groove 43, the sealing sleeve 44 is extruded to deform and fill the gap, reliable sealing is realized, fluid leakage is effectively prevented, and normal operation of the centrifugal pump 2 system is guaranteed.

[0032] Working principle: when connecting, the clamping block 32 on the side wall of the connecting flange 31 is inserted into the clamping groove 37 inside the mounting sleeve 33, in this process, the clamping block 32 extrudes the limiting plate 35 by passing through the clamping groove 37, so that the limiting plate 35 is compressed in the mounting sleeve 33, then the connecting flange 31 is rotated, the connecting flange 31 drives the end of the clamping block 32 to enter the sliding groove 38 inside the connecting sleeve 36, at this time, the force on the connecting flange 31 is removed, due to the elastic force of the spring 34, the spring 34 drives the rebound, drives the limiting plate 35 to reset, the limiting plate 35 cooperates with the connecting sleeve 36 to limit the clamping block 32, so as to fixedly connect the connecting flange 31, when disassembling, the limiting plate 35 drives the spring 34 to contract by pressing the connecting flange 31, the connecting flange 31 is rotated, so that the clamping block 32 is located at the clamping groove 37, then the connecting flange 31 can be disassembled, when connecting, the first connecting pipe 41 is extruded with the sealing sleeve 44 by entering the sealing groove 43 inside the second connecting pipe 42, the sealing sleeve 44 is deformed after being extruded to fill the gap, while the first connecting pipe 41 and the second connecting pipe 42 are connected, sealing of the connection is realized, and fluid leakage at the connection is prevented.

[0033] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable flange connection device for the inlet and outlet of a centrifugal pump comprising a base (1), characterized in that: The base (1) top fixedly connected with centrifugal pump (2), the centrifugal pump (2) side wall fixedly connected with connecting assembly (3), the connecting assembly (3) is provided with sealing assembly (4) inside; The connecting assembly (3) includes a connecting flange (31) arranged above the base (1), the connecting flange (31) is fixedly connected with two clamping blocks (32) inside, the centrifugal pump (2) is fixedly connected with a mounting sleeve (33) on the side wall, the mounting sleeve (33) is fixedly connected with a spring (34) inside, one end of the spring (34) is fixedly connected with a limiting plate (35), the limiting plate (35) is fixedly connected with a connecting sleeve (36) on the side wall, the connecting sleeve (36) is provided with a clamping groove (37) on the side wall, and the connecting sleeve (36) is provided with a sliding groove (38) inside.

2. The adjustable centrifugal pump inlet and outlet flange connection apparatus of claim 1, wherein: The sealing assembly (4) includes a first connecting pipe (41) fixedly connected inside the connecting flange (31), the mounting sleeve (33) is fixedly connected with a second connecting pipe (42) inside, one end of the second connecting pipe (42) is provided with a sealing groove (43) inside, and the second connecting pipe (42) is abutted with a sealing sleeve (44) inside.

3. The adjustable centrifugal pump inlet and outlet flange connection apparatus of claim 1, wherein: The base (1) top fixedly connected with motor (5), the connecting flange (31) is fixedly connected with water pipe (6) inside.

4. The adjustable centrifugal pump inlet and outlet flange connection apparatus of claim 1, wherein: The clamping block (32) is of L-shaped structure, and the clamping groove (37) and the sliding groove (38) are in communication with each other.

5. The adjustable centrifugal pump inlet and outlet flange connection apparatus of claim 1, wherein: The clamping block (32) and the limiting plate (35) abut each other, and the connecting flange (31) abuts on the side wall of the mounting sleeve (33).

6. The adjustable centrifugal pump inlet and outlet flange connection apparatus of claim 1, wherein: The clamping block (32) is slidably connected inside the clamping groove (37), and the clamping block (32) is slidably connected inside the sliding groove (38).

7. The adjustable centrifugal pump inlet and outlet flange connection apparatus of claim 1, wherein: The limiting plate (35) is slidably connected inside the mounting sleeve (33), and the limiting plate (35) is slidably connected on the surface of the second connecting pipe (42).

8. The adjustable flange connection for a centrifugal pump inlet and outlet of claim 2, wherein: The first connecting pipe (41) is slidably connected inside the sealing groove (43), the sealing sleeve (44) is located inside the sealing groove (43), and the first connecting pipe (41) abuts on one side of the sealing sleeve (44).

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