Centrifugal pump cover

Abstract

The utility model discloses a centrifugal pump cover, which relates to the technical field of centrifugal pump covers, and comprises a fixing bolt, a first bearing groove, a support frame, a limiting claw and a third bearing groove, and the right side of the fixing bolt is provided with the first bearing groove, the support frame, the limiting claw and the third bearing groove. A protective cover, a bolt hole site, a second bearing groove and a sealing ring are arranged on the left side of the limiting claw, a fixing bolt is arranged on the side face of the bolt hole site, and a nut, a traction ring, an adjusting rod, a limiting rod and a spring are installed in the fixing bolt. And rapid fixing and separation are realized under the action of a nut, so that the convenience of equipment maintenance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump pump cover technical field, concretely is a centrifugal pump pump cover. BACKGROUND

[0002] Centrifugal pump is the water that utilizes impeller rotation and makes water take place centrifugal motion to work. Water pump must make the pump shell and the water suction pipe be full of water before starting, then starts the motor, makes the pump shaft drive impeller and water do high speed rotation motion, water takes place centrifugal motion, is thrown to the outer edge of impeller, and the flow channel of the worm pump shell is flowed into the water pump's water pressure pipe, but the existing centrifugal pump group price still has some deficiencies, for example:

[0003] The centrifugal pump cover of application number: CN109804166B, because the equipment does not set up quick dismounting part drumming, in the use process, once the equipment appears the trouble of blockage needs to dismount the pump machine cover and repair, it is extremely troublesome, and because the water pump belongs to humid environment for a long time, further increase the equipment dismounting strength. UTILITY MODEL CONTENT

[0004] The utility model discloses a centrifugal pump pump cover to solve the above-mentioned background art that the equipment in the market does not set up quick dismounting part drumming, in the use process, once the equipment appears the trouble of blockage needs to dismount the pump machine cover and repair, it is extremely troublesome, and because the water pump belongs to humid environment for a long time, further increase the equipment dismounting strength.

[0005] To achieve the above object, the utility model provides the following technical scheme: a centrifugal pump pump cover, including fixed bolt, first bearing groove, support frame, limit pawl and third bearing groove;

[0006] The fixed bolt right side is provided with first bearing groove, support frame, limit pawl and third bearing groove, the limit pawl left side is provided with cover, bolt hole, second bearing groove and sealing ring, the bolt hole side is provided with fixed peg, the fixed peg is installed with nut, tow ring, adjusting rod, limit rod and spring.

[0007] As the preferred technical scheme of the utility model, the fixed bolt is screw connected at the right side of the cover, and the limit pawl is clamped between the fixed bolt and the cover, and the limit pawl is six in number and arranged in a circle.

[0008] By adopting the above technical scheme, the cover is clamped between the limit pawl by the fixed bolt, which can not only achieve the connection and fixation, but also better adhere the cover to the support frame, so that the power transmission is on the same axis.

[0009] As the preferred technical scheme of the utility model, the limit pawl is fixedly connected with the support frame at the right side, the first bearing groove is formed at the right side of the support frame, and the third bearing groove is formed at the left side of the support frame.

[0010] By means of the above technical scheme, the first bearing groove is arranged on the right side of the support frame, and the bearing is arranged in the first bearing groove, so that the abrasion of the transmission shaft during use is reduced, and the service life of the equipment is prolonged.

[0011] As a preferred technical scheme of the utility model, a second bearing groove is arranged at the corresponding position of the left side of the third bearing groove, and the second bearing groove and the third bearing groove are spliced into a first bearing groove with the size of the first bearing groove;

[0012] By means of the above technical scheme, the bearing is arranged in the first bearing groove through the splicing of the second bearing groove and the third bearing groove, so that the deviation between the equipment is reduced, and the accuracy of the equipment docking is improved.

[0013] As a preferred technical scheme of the utility model, the support frame is composed of two discs with different diameters, and the side surface of the support frame is a hollow structure, and the support frame is clamped with a cover on the left side;

[0014] By means of the above technical scheme, the side surface of the support frame is arranged as a hollow structure, so that the overall quality of the equipment is reduced to the maximum, and the portability and maneuverability of the equipment are ensured.

[0015] As a preferred technical scheme of the utility model, four square opening structures are arranged on the left side of the cover, and the cover is designed as a hollow structure which is the same as the support frame, the left side of the support frame is a flange plate structure, six bolt hole positions are uniformly arranged on the left side of the support frame, and a third bearing groove and a sealing ring are arranged at the central position of the left side of the support frame;

[0016] By means of the above technical scheme, the six bolt hole positions are uniformly arranged on the left side of the support frame, and the sealing property of the equipment is effectively ensured by the multi-point fixing characteristics, so that the leakage of the water pump during operation is prevented.

[0017] As a preferred technical scheme of the utility model, the fixed bolt is slidably connected in the bolt hole position, the right side surface of the fixed bolt is arranged as a threaded structure, the right side of the fixed bolt is fixedly connected with a traction ring, the left side of the fixed bolt is slidably connected with an adjusting rod, the left side of the adjusting rod is fixedly connected with a spring, the surface of the adjusting rod is rotatably connected with a limiting rod, the four limiting rods are arranged in a circular shape, and the right side of the fixed bolt is threadedly connected with a nut.

[0018] By means of the above technical scheme, the adjusting rod is pushed to the right side by the spring, and the limiting rod is expanded at the same time, so that the quick fixing and separation are realized under the action of the nut, and the convenience of equipment maintenance is improved.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] 1. The equipment uses fixing bolts to clamp the cover in the limiting claw, which can not only connect and fix it, but also better fit the cover and the support frame, ensuring that the power transmission is on the same axis.

[0021] 2. By opening the first bearing groove on the right side of the support frame, the wear of the drive shaft during use can be reduced and the service life of the equipment can be improved.

[0022] 3. The equipment installs the bearings by splicing the second and third bearing grooves together, which can reduce the misalignment between equipment and improve the accuracy of equipment docking.

[0023] 4. By designing the side of the support frame as a hollow structure, this equipment can minimize the overall weight of the equipment while ensuring its portability and mobility;

[0024] 5. The equipment has six bolt holes evenly spaced on the left side of the support frame. The multi-point fixing feature can effectively ensure the sealing of the equipment and prevent leakage during the operation of the water pump.

[0025] 6. This device uses a spring to apply force to push the adjusting rod to the right, while simultaneously unfolding the limiting rod. With the help of the nut, it can quickly fix and separate the device, improving the convenience of equipment maintenance. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a side view of the structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the limiting claw and protective cover structure of this utility model;

[0029] Figure 3 This is a three-dimensional structural diagram of the adjusting rod and limiting rod of this utility model;

[0030] Figure 4 This is a schematic diagram of the protective cover and sealing ring structure of this utility model;

[0031] Figure 5 This is a schematic diagram of the bolt hole positions and the second bearing groove structure of this utility model;

[0032] Figure 6 This is a schematic diagram of the first bearing groove and support frame structure of this utility model.

[0033] In the diagram: 1. Fixing bolt; 2. First bearing groove; 3. Support frame; 4. Limiting claw; 5. Protective cover; 6. Sealing ring; 7. Fixing bolt; 8. Nut; 9. Traction ring; 10. Adjusting rod; 11. Limiting rod; 12. Spring; 13. Bolt hole; 14. Second bearing groove; 15. Third bearing groove. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Please see Figure 1 - Figure 6 The technical solution of this utility model is as follows: a centrifugal pump cover, comprising a fixing bolt 1, a first bearing groove 2, a support frame 3, a limiting claw 4, a protective cover 5, a sealing ring 6, a fixing bolt 7, a nut 8, a traction ring 9, an adjusting rod 10, a limiting rod 11, a spring 12, a bolt hole 13, a second bearing groove 14, and a third bearing groove 15.

[0036] The right side of the fixing bolt 1 is provided with a first bearing groove 2, a support frame 3, a limiting claw 4, and a third bearing groove 15. The fixing bolt 1 is threadedly connected to the right side of the cover 5, and the limiting claw 4 is clamped between the fixing bolt 1 and the cover 5. There are six limiting claws 4 in total, evenly arranged in a circle. This device uses the fixing bolt 1 to clamp the cover 5 in the limiting claw 4, which can not only connect and fix it, but also better fit the cover 5 and the support frame 3, ensuring that the power transmission is on the same axis. The right side of the limiting claw 4 is fixedly connected to the support frame 3. The support frame 3 has a first bearing groove 2 on its right side and a third bearing groove 15 on its left side. This device can achieve the following by opening the first bearing groove 2 on the right side of the support frame 3: To reduce wear on the drive shaft during use and improve equipment lifespan by using bearings, the left side of the limiting claw 4 is equipped with a cover 5, bolt hole 13, second bearing groove 14, and sealing ring 6. A fixing bolt 7 is located on the side of the bolt hole 13. The second bearing groove 14 is opened at the corresponding position on the left side of the cover 5 of the third bearing groove 15. The second bearing groove 14 and the third bearing groove 15 are spliced ​​together to form the size of a first bearing groove 2. The bearing is installed inside the device by splicing the second bearing groove 14 and the third bearing groove 15, which can reduce misalignment between devices and improve the accuracy of device docking. The fixing bolt 7 is equipped with a nut 8, a traction ring 9, an adjusting rod 10, a limiting rod 11, and a spring 12. The support frame 3 consists of two discs of different diameters, and its sides are hollowed out. A cover 5 is clamped on the left side of the support frame 3. By making the sides of the support frame 3 hollowed out, the overall weight of the equipment can be reduced to the minimum while ensuring portability and mobility. The cover 5 has four square openings on its left side, and the cover 5 has the same hollowed-out design as the support frame 3. The left side of the support frame 3 has a flange structure, and six bolt holes 13 are evenly distributed on the left side of the support frame 3. A third bearing groove 15 and a sealing ring 6 are located at the center of the left side of the support frame 3. The equipment utilizes the six bolt holes 13 evenly distributed on the left side of the support frame 3 for multi-point fixing. The features effectively ensure the sealing of the equipment and prevent leakage during water pump operation. The fixing bolt 7 is slidably connected in the bolt hole 13. The right side surface of the fixing bolt 7 has a threaded structure. The right side of the fixing bolt 7 is fixedly connected to the traction ring 9. The left side of the fixing bolt 7 is slidably connected to the adjusting rod 10. The left side of the adjusting rod 10 is fixedly connected to the spring 12, and the surface of the adjusting rod 10 is rotatably connected to the limiting rod 11. There are four limiting rods 11 arranged in a circle. The right side of the fixing bolt 7 is threadedly connected to the nut 8. The equipment uses the force applied by the spring 12 to push the adjusting rod 10 to the right, and at the same time unfolds the limiting rods 11. With the action of the nut 8, it can quickly fix and separate, which improves the convenience of equipment maintenance.

[0037] Working principle: When using a centrifugal pump cover, first place the drive shaft and other components into the slot, then put the limiting claw 4 on the side of the support frame 3 onto the right side of the cover 5, tighten the fixing bolt 1, then insert the cover 5 and sealing ring 6 into the side of the water pump, press down the adjusting rod 10 of the fixing bolt 7 and insert it into the bolt hole 13, then loosen and tighten the nut 8 to fix it.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A centrifugal pump cover, comprising a fixing bolt (1), a first bearing groove (2), a support frame (3), a limiting claw (4), and a third bearing groove (15); Its features are: The right side of the fixing bolt (1) is provided with a first bearing groove (2), a support frame (3), a limiting claw (4) and a third bearing groove (15). The left side of the limiting claw (4) is provided with a cover (5), a bolt hole (13), a second bearing groove (14) and a sealing ring (6). The side of the bolt hole (13) is provided with a fixing bolt (7). The fixing bolt (7) is equipped with a nut (8), a traction ring (9), an adjusting rod (10), a limiting rod (11) and a spring (12).

2. A centrifugal pump cover according to claim 1, characterized in that, The fixing bolt (1) is threaded to the right side of the cover (5), and a limiting claw (4) is clamped between the fixing bolt (1) and the cover (5). There are six limiting claws (4) in a circular and uniform arrangement.

3. A centrifugal pump cover according to claim 2, characterized in that, The limiting claw (4) is fixedly connected to the support frame (3) on the right side. The support frame (3) has a first bearing groove (2) on the right side and a third bearing groove (15) on the left side.

4. A centrifugal pump cover according to claim 3, characterized in that, The second bearing groove (14) is opened at the corresponding position of the left cover (5) of the third bearing groove (15). The second bearing groove (14) and the third bearing groove (15) are spliced ​​together to form the size of a first bearing groove (2).

5. A centrifugal pump cover according to claim 4, characterized in that, The support frame (3) is composed of two discs of different diameters, and the side of the support frame (3) is hollowed out. A cover (5) is clamped on the left side of the support frame (3).

6. A centrifugal pump cover according to claim 5, characterized in that, The cover (5) has four square openings on the left side, and the cover (5) and the support frame (3) have the same hollow design. The support frame (3) has a flange structure on the left side, and six bolt holes (13) are evenly opened on the left side of the support frame (3). The support frame (3) has a third bearing groove (15) and a sealing ring (6) at the center of the left side.

7. A centrifugal pump cover according to claim 6, characterized in that, The bolt hole (13) is slidably connected to the fixing bolt (7). The right side surface of the fixing bolt (7) is provided with a threaded structure. The right side of the fixing bolt (7) is fixedly connected to the traction ring (9). The left side of the fixing bolt (7) is slidably connected to the adjusting rod (10). The left side of the adjusting rod (10) is fixedly connected to the spring (12), and the surface of the adjusting rod (10) is rotatably connected to the limiting rod (11). There are four limiting rods (11) arranged in a circle. The right side of the fixing bolt (7) is threadedly connected to the nut (8).

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