Slurry pump coupling

Abstract

A slurry pump coupler is provided with a coupler body, the coupler body is divided into a front coupler body and a rear coupler body, an assembling space is formed between the front coupler body and the rear coupler body, and assembling holes are formed in the front coupler body and the rear coupler body. The requirement for further assembling the transmission shaft of the slurry pump and the coupler can be met only by directly inserting the transmission shaft on the slurry pump into the coupler, the sealing shaft sleeve is arranged between the front coupler and the rear coupler, and the sealing rubber ring is arranged on the sealing shaft sleeve. And the sealing performance between the front coupling and the rear coupling can be further enhanced by means of the sealing rubber ring, so that the overall sealing performance of the coupling is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of slurry pump fittings, specifically to a kind of slurry pump coupling. BACKGROUND

[0002] Slurry pump centrifugal pump is a kind of machinery that can increase the energy of solid-liquid mixed medium by the rotation of impeller of pump through centrifugal force, and it is a device that converts electric energy into kinetic energy and potential energy of medium, which can be used in various working places, such as mines, power plants, dredging, metallurgy and other industries, when using slurry pump, it is necessary to rely on coupling to assemble driving shaft on slurry pump, and the driving shaft on slurry pump can be assembled more conveniently by relying on coupling.

[0003] In the prior art: CN202021827242.5 A centrifugal slurry pump coupling structure, the utility model discloses a centrifugal slurry pump coupling structure, it includes inner sleeve and coupling outer sleeve, the coupling inner sleeve is coupling expansion and contraction inner sleeve, the coupling expansion and contraction inner sleeve is connected with coupling outer sleeve by bolt fixedly, the connection between the coupling of the centrifugal slurry pump of the prior art and the coupling of the motor is directly connected with rigidity, when disassembling, use cutting torch to heat, improper use of cutting torch can damage the coupling.

[0004] Although the coupling in the prior art can reduce the strength of the equipment shaft body, the service life is short, and the replacement is time-consuming and labor-consuming, but the coupling in the prior art has the problem of being unable to be sealed, and the sealing effect inside the coupling is poor. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a slurry pump coupling.

[0006] The utility model adopts the following technical scheme: a slurry pump coupling is provided with a coupling, the coupling is divided into front coupling and rear coupling, an assembly space is arranged between the front coupling and the rear coupling, assembly holes are arranged on the front coupling and the rear coupling, mounting grooves are arranged in the assembly holes, the mounting grooves arranged on the assembly holes are square assembly grooves, a sealing component is arranged in the assembly space, the sealing component is a sealing shaft sleeve, locking holes are arranged on the sealing shaft sleeve, locking circular holes are also arranged on the front coupling and the rear coupling, and assembly screws for locking are assembled in the locking holes and the locking circular holes.

[0007] The sealing shaft sleeve is provided with a sealing component for locally sealing the front coupling and the rear coupling, and the sealing component is a flexible sealing rubber ring.

[0008] The sealing rubber ring for locally sealing the front coupling and the rear coupling is fixed on the sealing sleeve by means of rivets, and a limiting part is arranged between the sealing rubber ring and the front coupling.

[0009] The limiting part is a limiting valve block, and the limiting valve block for limiting the sealing rubber ring is fixed on the inner wall of the front coupling.

[0010] The rear coupling is provided with a protruding part, and the protruding part is a protruding panel, and the protruding panel is provided with an adaptive groove.

[0011] Compared with the prior art, the front coupling and the rear coupling are matched with each other during use, so that the assembly of the transmission shaft of the slurry pump and the coupling is more convenient, the further assembly requirement of the transmission shaft of the slurry pump and the coupling can be met by directly inserting the transmission shaft of the slurry pump into the coupling, the sealing sleeve is arranged between the front coupling and the rear coupling, the sealing rubber ring is arranged on the sealing sleeve, the sealing property between the front coupling and the rear coupling is further enhanced by means of the sealing rubber ring, and the overall sealing performance of the coupling is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic view of the utility model;

[0013] Figure 2 is a structural schematic view of the utility model;

[0014] Figure 3 is a sectional view of the utility model;

[0015] Figure 4 is a sectional view of the utility model;

[0016] In the drawing: 1 is a front coupling, 2 is a rear coupling, 3 is an assembly hole, 4 is a mounting groove, 5 is a sealing sleeve, 6 is an assembly screw rod, 7 is a sealing rubber ring, 8 is a limiting valve block, 9 is a protruding panel, and 10 is an adaptive groove. DETAILED DESCRIPTION

[0017] In the following, the utility model is further described in combination with the drawings and the specific implementation mode, and it should be noted that, under the premise of no conflict, the following described embodiments or technical features can be combined to form new embodiments.

[0018] The utility model provides a kind of slurry pump coupling, it is provided with coupling, the coupling is divided into front coupling 1 and rear coupling 2, assembly space is provided between the front coupling 1 and rear coupling 2, assembly hole 3 is provided on the front coupling 1 and rear coupling 2, mounting groove 4 is provided in the assembly hole 3, the mounting groove 4 provided on the assembly hole 3 for further assembly of slurry pump driving shaft is square assembly groove, sealing component is provided in the assembly space, and the sealing component is sealing sleeve 5, locking hole is provided on the sealing sleeve 5, locking round hole is also provided on the front coupling 1 and rear coupling 2, and assembly screw rod 6 for locking is assembled in locking hole and locking round hole.

[0019] In order to further improve the sealing effect between the front coupling 1 and the rear coupling 2, a sealing sleeve 5 is arranged between the front coupling 1 and the rear coupling 2, and a sealing part is arranged on the sealing sleeve 5. The sealing part can further improve the sealing performance between the front coupling 1 and the rear coupling 2. Therefore, the sealing sleeve 5 is provided with a sealing part for locally sealing the front coupling 1 and the rear coupling 2. The sealing part is a flexible sealing rubber ring 7, which is fixed on the sealing sleeve 5 by rivets. The sealing rubber ring and the front coupling 1 are provided with a limiting part.

[0020] In order to fix the sealing part between the front coupling 1 and the rear coupling 2 more stably, the limiting part can be used for limiting to a certain extent. The sealing displacement of the sealing part cannot be changed, and the sealing effect of the sealing part is better. The limiting part is a limiting valve block 8, which is fixed on the inner wall of the front coupling 1. The rear coupling 2 is provided with a protruding part, which is a protruding panel 9. The protruding panel 9 is provided with an adaptive groove 10. The adaptive groove 10 on the protruding panel 9 can also make the coupling assembly more convenient.

[0021] The above embodiments are only preferred embodiments of the utility model, and cannot be used to limit the scope of protection of the utility model. Any non-substantial changes and replacements made by those skilled in the art based on the utility model belong to the scope of protection required by the utility model.

Claims

1. A slurry pump coupling, comprising a coupling, the coupling being divided into a front coupling and a rear coupling, an assembly space being provided between the front coupling and the rear coupling, assembly holes being provided on the front coupling and the rear coupling, and mounting grooves being provided within the assembly holes, the mounting grooves being square mounting grooves, characterized in that: The assembly space is provided with a sealing part, which is a sealing sleeve, the sealing sleeve is provided with a locking hole, the front coupling and the rear coupling are also provided with locking round holes, and assembly screws for locking are assembled in the locking hole and the locking round hole.

2. A slurry pump coupling as claimed in claim 1, characterised in that: The sealing sleeve is provided with a sealing part for locally sealing the front coupling and the rear coupling, and the sealing part is a flexible sealing rubber ring.

3. A slurry pump coupling as claimed in claim 2, characterised in that: The sealing rubber ring for locally sealing the front coupling and the rear coupling is fixed on the sealing sleeve by means of a rivet, and a limiting part is arranged between the sealing rubber ring and the front coupling.

4. A slurry pump coupling as claimed in claim 3, characterised in that: The limiting part is a limiting valve block, and the limiting valve block for limiting the sealing rubber ring is fixed on the inner wall of the front coupling.

5. A slurry pump coupling as claimed in claim 1, characterised in that: The rear coupling is provided with a protruding part, which is a protruding panel, and the protruding panel is provided with an adaptive groove.

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