CN219549108U

CN219549108U - Throttle sleeve of high-speed pump

Info

Publication number: CN219549108U
Application number: CN202222906402.0U
Authority: CN
Inventors: 林灿; 陈生杰; 韩安达; 郑计段; 林杰; 许浩浩; 康子飘; 林泽
Original assignee: Zhejiang Tiande Pumps Co ltd
Current assignee: Zhejiang Tiande Pumps Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-08-18
Anticipated expiration: 2032-10-31

Abstract

Be applied to high-speed pump's choke collar, including the choke collar seat, set up the choke collar groove on the choke collar seat, the cell wall in choke collar groove has double-deck choke structure and throttle mounting, through seting up the choke collar groove on the choke collar seat, and set up double-deck choke structure in the choke collar groove, and double-deck choke structure comprises the choke collar that includes hard graphite material and corrosion resistant plate material and make, and the material of choke collar seat is the same with the choke collar, all be the stainless steel material, such structure sets up and makes the choke collar of hard graphite material can be with the cooperation between the cell wall of choke collar and choke collar groove, clearance between the three is compared in the choke collar of traditional pure stainless steel material and is less, thereby reduce the risk of draining, and compared with the choke collar of traditional pure graphite material, this design combines through adopting the structure of graphite and corrosion resistant plate material, have higher intensity, can reduce the cracked risk of choke collar.

Description

Throttle sleeve of high-speed pump

Technical Field

The utility model relates to the technical field of high-speed pumps, in particular to a throttle sleeve of a high-speed pump.

Background

As shown in fig. 1 and fig. 2, the throttle sleeve for the high-speed pump in the prior art is mostly made of pure stainless steel or pure hard graphite, and in fig. 1, after the throttle sleeve is installed with the high-speed pump, a larger gap exists between the throttle sleeve and the high-speed pump, so that oil flows out of the gap, and the phenomenon of oil drainage occurs; in fig. 2, the strength of the throttle sleeve body is not high due to the material, and the throttle sleeve body is easy to be cracked, so that a throttle sleeve with high strength and good sealing performance is needed to be applied to a high-speed pump.

Disclosure of Invention

In view of this, the present utility model provides a throttle sleeve for a high speed pump.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a be applied to high-speed pump's choke collar, includes the choke collar seat, set up the choke collar groove on the choke collar seat, the cell wall in choke collar groove has double-deck throttle structure and throttle mounting, the cell wall protrusion in choke collar groove sets up the fixing base, double-deck throttle structure sets up on the fixing base, the throttle mounting sets up the one end of keeping away from the fixing base at double-deck throttle structure, the throttle mounting compresses tightly fixedly to double-deck throttle structure.

Preferably, the double-layer throttling structure comprises a throttling ring and a throttling gasket, wherein the throttling ring and the throttling gasket are sequentially arranged in a throttling sleeve groove from a fixed seat to a throttling fixing piece, and the throttling ring and the throttling gasket are arranged in a step structure.

Preferably, the inner diameter of the throttling ring is smaller than the inner diameter of the throttling gasket, the outer diameter of the throttling ring is identical to the outer diameter of the throttling gasket, the throttling fixing piece is in an annular structure, the groove wall of the throttling sleeve groove is inwards concave to form a fixing ring groove, the throttling fixing piece is arranged in the fixing ring groove, and one side end face, close to the throttling gasket, of the throttling fixing piece is tightly pressed against the throttling gasket.

Preferably, a self-adjusting gap is arranged between the throttling ring and the groove wall of the throttling sleeve groove.

Preferably, the throttling sleeve seat is provided with a body part and a connecting part, the connecting part is formed by extending the body part towards the periphery perpendicular to the direction of the body part, the connecting part is provided with a connecting hole, and the throttling sleeve seat is made of stainless steel plates.

Preferably, the material of the throttling ring is hard graphite, and the material of the throttling gasket is stainless steel plate.

The utility model has the beneficial effects that: according to the utility model, the throttling sleeve seat is provided with the throttling sleeve groove, the double-layer throttling structure is arranged in the throttling sleeve groove and is composed of two layers of materials different in material, wherein the throttling sleeve seat comprises the throttling ring made of the hard graphite material and the throttling gasket made of the stainless steel plate material, the material of the throttling sleeve seat is the same as that of the throttling gasket, and the throttling ring made of the hard graphite material and the throttling gasket are both made of the stainless steel material.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a prior art schematic;

FIG. 2 is another prior art schematic;

FIG. 3 is a schematic diagram of the structure of the present utility model;

fig. 4 is an enlarged view at a in fig. 3.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model will be further described with reference to the drawings.

The utility model provides the following technical scheme:

as shown in fig. 1-4, the utility model discloses a throttling sleeve applied to a high-speed pump, which comprises a throttling sleeve seat 1, wherein a throttling sleeve groove 2 is formed in the throttling sleeve seat 1, the groove wall of the throttling sleeve groove 2 is provided with a double-layer throttling structure 3 and a throttling fixing piece 4, the groove wall of the throttling sleeve groove 2 is convexly provided with a fixing seat 10, the double-layer throttling structure 3 is arranged on the fixing seat 10, the throttling fixing piece 4 is arranged at one end, far away from the fixing seat 10, of the double-layer throttling structure 3, and the throttling fixing piece 4 is fixedly pressed on the double-layer throttling structure 3. Specifically, this design is through seting up throttle sleeve groove 2 on throttle sleeve seat 1, and set up bilayer throttle structure 3 in throttle sleeve groove 2, and bilayer throttle structure 3 comprises the different material of two-layer material, throttle ring 5 and the throttle washer 6 that the corrosion resistant plate material was made including hard graphite material, and the material of throttle sleeve seat 1 is the same with throttle washer 6, all be the corrosion resistant plate material, such structure setting makes the throttle ring 5 of hard graphite material can cooperate between the cell wall of throttle washer 6 and throttle sleeve groove 2, make the clearance between the three compare in the throttle sleeve of traditional pure stainless steel material and compare the clearance littleer, thereby reduce the risk of draining, and compare in the throttle sleeve of traditional pure graphite material, this design combines through adopting the structure of graphite and stainless steel material, have higher intensity, can reduce the cracked risk of throttle sleeve.

Further, the double-layer throttling structure 3 comprises a throttling ring 5 and a throttling gasket 6, the throttling ring 5 and the throttling gasket 6 are sequentially arranged in the throttling sleeve groove 2 from the fixed seat 10 to the throttling fixing piece 4, and the throttling ring 5 and the throttling gasket 6 are in a step structure. Specifically, clamp and fix double-deck throttle structure 3 through fixing base 10 and throttle mounting 4 to prevent that double-deck throttle structure 3 from deviate from throttle sleeve 2 and drop, and throttle ring 5 and throttle washer 6 set gradually by fixing base 10 to throttle mounting 4 and can avoid throttle mounting 4 support contact to compress tightly throttle ring 5 of hard graphite material, but compress tightly throttle washer 6 of stainless steel material earlier, compress tightly throttle ring 5 on the throttle ring 5 with pressure conduction by throttle washer 6 of stainless steel material again, set up like this and can reduce the pressure to throttle ring 5, avoid the fracture of throttle ring 5.

Further, the inner diameter of the throttling ring 5 is smaller than the inner diameter of the throttling gasket 6, the outer diameter of the throttling ring 5 is identical to the outer diameter of the throttling gasket 6, the throttling fixing piece 4 is in an annular structure, a fixing ring groove 11 is formed by concave-in on the groove wall of the throttling sleeve groove 2, the throttling fixing piece 4 is arranged in the fixing ring groove 11, and one side end face, close to the throttling gasket 6, of the throttling fixing piece 4 is tightly pressed against the throttling gasket 6. Specifically, the structure setting that the internal diameter of choke collar 5 is less than the internal diameter of choke washer 6 for the area of choke collar 5 is greater than the area of choke washer 6, consequently choke washer 6 can not compress tightly the whole of choke collar 5 one side when compressing tightly choke collar 5, through the mode that reduces area of contact and promote pressure, thereby improve the clamping force to choke collar 5 under the circumstances that can not fracture to guaranteeing choke collar 5, in this embodiment, choke fastener 4 is the spring steel material, consequently choke fastener 4 has good anti bullet and subtracts the performance, can reduce the phenomenon that appears not hard up between choke fastener 4 and the cell wall of choke sleeve groove 2 in long-term clamping process.

Further, a self-adjusting gap (not shown) is arranged between the throttle ring 5 and the groove wall of the throttle sleeve groove 2. Specifically, by setting the self-adjusting gap between the throttle ring 5 and the slot wall of the throttle sleeve slot 2, the position relationship between the throttle sleeve and the high-speed pump can be adjusted by the self-adjusting gap when the throttle sleeve is installed on the high-speed pump to work, and the installation position of the throttle sleeve and the high-speed pump is prevented from being too tight or loose.

Further, the throttle sleeve seat 1 is provided with a body part 7 and a connecting part 8, the connecting part 8 is formed by extending the body part 7 towards the periphery perpendicular to the direction of the body part 7, the connecting part 8 is provided with a connecting hole 9, and the throttle sleeve seat 1 is made of stainless steel plates.

Further, the material of the throttle ring 5 is hard graphite, and the material of the throttle washer 6 is stainless steel plate.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Be applied to high-speed pump's choke sleeve, including the choke sleeve seat, set up the choke sleeve groove on the choke sleeve seat, its characterized in that: the cell wall in throttle sleeve groove has double-deck throttle structure and throttle mounting, the cell wall protrusion in throttle sleeve groove sets up the fixing base, double-deck throttle structure sets up on the fixing base, the throttle mounting sets up the one end of keeping away from the fixing base at double-deck throttle structure, the throttle mounting compresses tightly fixedly to double-deck throttle structure.

2. The throttle sleeve for high-speed pump according to claim 1, wherein: the double-layer throttling structure comprises a throttling ring and a throttling gasket, wherein the throttling ring and the throttling gasket are sequentially arranged in a throttling sleeve groove from a fixed seat to a throttling fixing piece, and the throttling ring and the throttling gasket are arranged in a step structure.

3. The throttle sleeve for high-speed pump according to claim 2, wherein: the internal diameter of throttle ring is less than the internal diameter of throttle washer, the external diameter of throttle ring is the same with the external diameter of throttle washer, the throttle mounting is annular structure setting, the indent forms the fixed ring groove on the cell wall of throttle sleeve groove, the throttle mounting sets up in the fixed ring groove, the throttle mounting is close to one side terminal surface of throttle washer and compresses tightly the throttle washer.

4. The throttle sleeve for high-speed pump according to claim 2, wherein: and a self-adjusting gap is arranged between the throttle ring and the groove wall of the throttle sleeve groove.

5. The throttle sleeve for high-speed pump according to claim 1, wherein: the throttling sleeve seat is provided with a body part and a connecting part, the connecting part is formed by extending the body part towards the periphery perpendicular to the direction of the body part, the connecting part is provided with a connecting hole, and the throttling sleeve seat is made of stainless steel plates.

6. The throttle sleeve for high-speed pump according to claim 2, wherein: the material of throttle ring is hard graphite, the material of throttle packing ring is corrosion resistant plate.