阅读说明：本技术 一种磁力泵用泄漏监测型双层金属隔离套 (Leakage monitoring type double-layer metal isolation sleeve for magnetic pump ) 是由 王圣 高芬 刘铭 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种磁力泵用泄漏监测型双层金属隔离套,包括隔离套组件,所述的隔离套组件包括内隔离套和外隔离套；所述的内隔离套右侧设有内封头；所述的外隔离套右侧设有外封头；所述的内隔离套、外隔离套、内封头和外封头之间形成隔离夹层。采用了双层封头,且内隔离套、外隔离套、内封头和外封头之间形成隔离夹层,当滑动轴承损坏时,隔离夹层内产生的液体可通过法兰上的导流孔将压力传递给压力表,所以有效解决了现有技术中单层隔离套封头容易导致液体泄漏和隔离套损坏无法及时进行维修的技术问题,进而实现了当滑动轴承损坏时,可及时停泵进行检修。(The invention discloses a leakage monitoring type double-layer metal isolation sleeve for a magnetic pump, which comprises an isolation sleeve assembly, wherein the isolation sleeve assembly comprises an inner isolation sleeve and an outer isolation sleeve; an inner seal head is arranged on the right side of the inner isolation sleeve; an outer seal head is arranged on the right side of the outer isolation sleeve; and an isolation interlayer is formed among the inner isolation sleeve, the outer isolation sleeve, the inner seal head and the outer seal head. The double-layer seal head is adopted, the isolating interlayer is formed between the inner isolating sleeve, the outer isolating sleeve and the inner seal head, when the sliding bearing is damaged, pressure can be transmitted to the pressure gauge through the flow guide hole in the flange through liquid generated in the isolating interlayer, so that the technical problem that in the prior art, liquid leakage and damage of the isolating sleeve can not be maintained timely due to the fact that the single-layer isolating sleeve seal head easily causes liquid leakage and damage of the isolating sleeve is effectively solved, and then when the sliding bearing is damaged, the pump can be stopped timely for maintenance.)

1. The utility model provides a double-deck metal separation sleeve of leakage monitoring type for magnetic drive pump which characterized in that: the isolation sleeve assembly comprises an inner isolation sleeve and an outer isolation sleeve;

an inner seal head is arranged on the right side of the inner isolation sleeve;

an outer seal head is arranged on the right side of the outer isolation sleeve;

and an isolation interlayer is formed among the inner isolation sleeve, the outer isolation sleeve, the inner seal head and the outer seal head.

2. The leakage monitoring type double-layer metal spacer sleeve for the magnetic pump according to claim 1, wherein: the inner wall of the right side of the inner isolation sleeve is welded with an inner seal head;

the inner wall of the right side of the outer isolation sleeve is welded with an outer seal head.

3. The leakage monitoring type double-layer metal spacer for the magnetic pump according to claim 1 or 2, wherein: the thickness of the inner seal head is larger than that of the outer seal head.

4. The leakage monitoring type double-layer metal spacer sleeve for the magnetic pump according to claim 1, wherein: a flange is arranged at the outer edge of the left side of the isolation sleeve assembly, and a flow guide hole is formed in the flange;

the upper end of the diversion hole is provided with a pressure gauge component.

5. The leakage monitoring type double-layer metal spacer sleeve for the magnetic pump according to claim 1, wherein: the isolation interlayer is communicated with the diversion holes.

6. The leakage monitoring type double-layer metal spacer sleeve for the magnetic pump according to claim 1, wherein: the inner side of the isolation sleeve component is provided with an inner magnetic rotor component, the outer side of the isolation sleeve component is provided with an outer magnetic rotor component, and the gap between the inner magnetic rotor component and the inner isolation sleeve is 1.5 mm.

Technical Field

The invention relates to the technical field of pumps, in particular to a leakage monitoring type double-layer metal isolation sleeve for a magnetic pump.

Background

A magnetic transmission centrifugal pump (magnetic pump for short) is a novel pump which applies modern magnetic mechanics principle and realizes non-contact transmission of torque by using magnetic transmission of permanent magnets, namely when a motor drives an outer rotor (namely, outer magnetic steel) assembly to rotate, magnetic lines of force pass through an isolation sleeve to drive an inner rotor (namely, inner magnetic steel) assembly and an impeller to synchronously rotate under the action of a magnetic field.

In the prior art, the metal isolation sleeve seal head for the magnetic pump adopts a single-layer structure, and the outer end seal head is an outer end sealing component of a double-layer isolation sleeve and is welded with the inner isolation sleeve and the outer isolation sleeve in a sealing manner.

However, in the process of implementing the technical solution of the invention in the embodiments of the present application, the inventors of the present application find that the above-mentioned technology has at least the following technical problems:

1. in the prior art, the isolating sleeve end socket adopts a single-layer structure, so that liquid leakage is easy to cause and cannot be found in time, and external magnetic steel and a suspension are corroded.

2. In the prior art, the spacer sleeve cannot be maintained in time when damaged.

Disclosure of Invention

In view of the above problems, the invention aims to provide a leakage monitoring type double-layer metal isolation sleeve for a magnetic pump, which solves the technical problems that in the prior art, a single-layer isolation sleeve end socket easily causes liquid leakage and the isolation sleeve is damaged and cannot be maintained in time, and realizes that when a sliding bearing is damaged, the pump can be stopped in time for maintenance.

In order to achieve the technical purpose, the embodiment of the application provides a leakage monitoring type double-layer metal isolation sleeve for a magnetic pump, which comprises an isolation sleeve assembly, wherein the isolation sleeve assembly comprises an inner isolation sleeve and an outer isolation sleeve;

preferably, an inner end enclosure is arranged on the right side of the inner isolation sleeve;

preferably, the right side of the outer isolation sleeve is provided with an outer end enclosure;

preferably, an isolation interlayer is formed among the inner isolation sleeve, the outer isolation sleeve, the inner end enclosure and the outer end enclosure.

Preferably, the inner wall of the right side of the inner isolation sleeve is welded with an inner end socket;

preferably, the inner wall of the right side of the outer isolation sleeve is welded with an outer end enclosure.

Preferably, the thickness of the inner end enclosure is larger than that of the outer end enclosure.

Preferably, the outer edge of the left side of the isolation sleeve component is provided with a flange, and a flow guide hole is formed in the flange;

preferably, the upper end of the diversion hole is provided with a pressure gauge component.

Preferably, the isolation interlayer is communicated with the diversion holes.

Preferably, an inner magnetic rotor assembly is arranged on the inner side of the isolation sleeve assembly, an outer magnetic rotor assembly is arranged on the outer side of the isolation sleeve assembly, and a gap between the inner magnetic rotor assembly and the inner isolation sleeve is 1.5 mm.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

due to the adoption of the double-layer seal head, and the isolation interlayers are formed among the inner isolation sleeve, the outer isolation sleeve, the inner seal head and the outer seal head, the technical problems that in the prior art, the single-layer isolation sleeve seal head easily causes liquid leakage and the isolation sleeve is damaged, and the maintenance cannot be carried out in time are effectively solved, and then when the sliding bearing is damaged, the pump can be stopped in time for maintenance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a partial enlarged view at I in fig. 1.

Detailed Description

The embodiment of the application has adopted double-deck head, and interior spacer sleeve, outer spacer sleeve, form the isolation intermediate layer between interior head and the outer head, when slide bearing damaged, the water conservancy diversion hole on the liquid accessible flange that produces in the isolation intermediate layer gives the manometer with pressure transfer, so effectively solved among the prior art the technical problem that the individual layer spacer sleeve head leads to liquid leakage and spacer sleeve to damage easily and can't in time maintain, and then realized when slide bearing damaged, can in time stop the pump and overhaul.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention is described in further detail below with reference to the figures and specific embodiments.

As shown in FIG. 1, the embodiment of the invention is

A leakage monitoring type double-layer metal isolation sleeve for a magnetic pump comprises an isolation sleeve assembly 1, wherein the isolation sleeve assembly 1 comprises an inner isolation sleeve 102 and an outer isolation sleeve 101;

preferably, an inner end enclosure 103 is arranged on the right side of the inner isolation sleeve 102;

preferably, an outer end enclosure 104 is arranged on the right side of the outer isolation sleeve 101;

preferably, an isolation interlayer 105 is formed among the inner isolation sleeve 102, the outer isolation sleeve 101, the inner seal head 103 and the outer seal head 104.

Preferably, the inner wall of the right side of the inner isolation sleeve 102 is welded with an inner end socket 103;

preferably, the outer end enclosure 104 is welded to the inner wall of the right side of the outer isolation sleeve 101.

Preferably, the thickness of the inner sealing head 103 is larger than that of the outer sealing head 104.

Preferably, a flange 4 is arranged at the outer edge of the left side of the isolation sleeve component 1, and a flow guide hole 2 is formed in the flange 4;

preferably, the upper end of the diversion hole 2 is provided with a pressure gauge component 3.

Preferably, the isolation interlayer 105 is communicated with the diversion holes 2.

Preferably, an inner magnetic rotor assembly 6 is arranged on the inner side of the isolation sleeve assembly 1, an outer magnetic rotor assembly 5 is arranged on the outer side of the isolation sleeve assembly 1, and a gap between the inner magnetic rotor assembly 6 and the inner isolation sleeve 102 is 1.5 mm.

The first embodiment is as follows:

if slide bearing damages, interior magnet steel can rub with the spacer sleeve to lead to the inlayer spacer sleeve damaged, on the liquid can transmit pressure to manometer subassembly or pressure transmitter through the water conservancy diversion hole on the flange from the isolation intermediate layer between inside and outside spacer sleeve this moment, can in time stop the pump and overhaul.

Example two:

the isolation sleeve assembly 1 comprises an inner isolation sleeve 102 and an outer isolation sleeve 101, an inner seal head 103 is welded on the right side of the inner isolation sleeve 102, an outer seal head 104 is welded on the right side of the outer isolation sleeve 101, and an isolation interlayer 105 is formed among the inner isolation sleeve 102, the outer isolation sleeve 101, the inner seal head 103 and the outer seal head 104.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

the double-layer seal head is adopted, the isolating interlayer is formed between the inner isolating sleeve, the outer isolating sleeve and the inner seal head, when the sliding bearing is damaged, pressure can be transmitted to the pressure gauge through the flow guide hole in the flange through liquid generated in the isolating interlayer, so that the technical problem that in the prior art, liquid leakage and damage of the isolating sleeve can not be maintained timely due to the fact that the single-layer isolating sleeve seal head easily causes liquid leakage and damage of the isolating sleeve is effectively solved, and then when the sliding bearing is damaged, the pump can be stopped timely for maintenance.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any minor modifications, equivalent replacements and improvements made to the above embodiment according to the technical spirit of the present invention should be included in the protection scope of the technical solution of the present invention.