CN210034781U - Novel isolation sleeve - Google Patents

Abstract

The utility model provides a novel spacer sleeve. The technical scheme is that the cylindrical structure is divided into an upper pipe body, a middle flat plate and a lower pipe body, wherein the middle flat plate is provided with a through hole which can be used for integrally fixing the isolation sleeve on a certain base structure; the outer wall of the upper pipe body is connected with the annular sheet, the effect similar to a ribbed plate is formed on the surface of the upper pipe body, the upper pipe body is not easy to deform under the action of external force, and meanwhile, a transition cambered surface is arranged at the joint of the annular sheet and the upper pipe body, so that the area of the root of the annular sheet is increased, and the annular sheet is not easy to deform due to the external force; and simultaneously, the utility model discloses body surface has set up a plurality of annular archs down to form the fold structure, be used for making down the body non-deformable when receiving radial external force. Use the utility model discloses, can make the spacer sleeve exterior structure have higher mechanical strength to play better mechanical nature protecting effect to the internal pipeline.

Description

Novel isolation sleeve

Technical Field

The utility model relates to an isolation cover technical field, concretely relates to novel isolation cover.

Background

The isolation sleeve is a lining mechanism which is sleeved outside a mechanical shaft or a pipeline and plays a role in protecting the mechanical shaft or the pipeline. The function of the isolation sleeve in actual work and the application environment and purpose of the isolation sleeve are greatly related. In the field of valve application, the isolating sleeve is arranged in the valve cover to sleeve the valve rod, so that the leakage of the valve is reduced, and the sealing effect is achieved. In the field of bearing application, the use of the isolation sleeve can reduce the abrasion between the bearing and the shaft seat and avoid the increase of the clearance between the shaft and the hole and the like. When being applied to the pipeline, mainly play sealed guard action to the outside of pipeline, make inside pipeline and external environment keep apart on the one hand, on the other hand can bear certain mechanical pressure, avoids external effort direct action to cause the body to damage on the body surface.

In the prior art, the isolating sleeve is of a conventional cylindrical structure, the bearing capacity of external acting force is poor, the isolating sleeve is easy to deform if the acting force is too large, and once the isolating sleeve deforms, the internal pipeline is directly damaged.

Disclosure of Invention

The utility model discloses aim at to prior art's technical defect, provide a novel spacer sleeve to conventional spacer sleeve is to the relatively poor technical problem of external effort bearing capacity among the solution prior art.

The utility model discloses another technical problem that solve is that conventional spacer sleeve takes place to warp easily when receiving external effort.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

a novel isolation sleeve comprises an upper pipe body, annular sheets, a transition arc surface, a flat plate, an upper convex pipe, a lower convex pipe, through holes, a lower pipe body, annular bulges, an inner lining pipe, an upper sealing plate and a lower sealing plate, wherein the outer wall of the upper pipe body is sleeved with the annular sheets which are parallel to each other, the annular sheets are fixedly connected with the outer wall of the pipe body through the transition arc surface, a round hole is formed in the flat plate, the upper end of the round hole is fixedly connected with the upper convex pipe, the lower end of the round hole is fixedly connected with the lower convex pipe, the flat plate is also provided with the through holes, the outer wall of the lower pipe body is provided with the annular bulges, the lower end of the upper pipe body is fixedly connected with the upper end of the upper convex pipe, the upper end of the lower lining pipe body is fixedly connected with the lower end of the lower convex pipe, the upper pipe body, the round hole and the lower pipe body enclose a channel, the inner lining pipe, the lower end face of the lower sealing plate is connected with a lower sealing plate.

Preferably, the fixed connection is welded.

Preferably, the annular protrusions are parallel to each other, and the outer diameter of the annular protrusions is 1.1 times of that of the lower pipe body.

Preferably, the height of the lower protruding tube is 2.5 times the thickness of the flat plate, and the thickness of the flat plate is 2 times the thickness of the upper protruding tube.

Preferably, the axis of the upper pipe body, the axis of the lower pipe body, the axis of the lining pipe, and the axis of the circular hole coincide with each other.

In the above technical scheme, the upper pipe body is an upper structure of the isolation sleeve, and is used for being sleeved outside the inner lining pipe on one hand and bearing the transition cambered surface and the annular sheet on the other hand; the annular sheet material plays a role similar to a ribbed plate on the outer wall of the upper pipe body, so that the strength of the upper pipe body is enhanced, and the probability of deformation of the upper pipe body is reduced; the transition cambered surface increases the contact area between the root of the annular sheet and the upper pipe body, and is beneficial to ensuring that the annular sheet is not easy to deform when stressed; the flat plate is provided with a through hole, so that the isolation sleeve can be fixed on other base structures; the upper convex pipe and the lower convex pipe are respectively used for connecting the upper pipe body and the lower pipe body, so that the upper pipe body, the lower pipe body and the round holes on the flat plate are connected into a through channel, and the channel is used for accommodating the lining pipe; the lower pipe body is a lower structure of the isolation sleeve and is used for being sleeved outside the lining pipe to protect the lining pipe; the annular bulge on the surface of the lower pipe body forms a fold structure, so that the lower pipe body is not easy to deform under the action of radial external force; the lining pipe is a protected inner pipeline; go up the shrouding and be used for sealing the port with shrouding down on the one hand, on the other hand plays radial supporting role to the port, avoids the easy yielding problem of tube socket department when the spacer sleeve receives the exogenic action.

The utility model provides a novel isolation sleeve, which is a brand new design for the external structure of the conventional cylindrical sleeve body on the basis of the structure. Particularly, the utility model divides the tubular structure into an upper pipe body, a middle flat plate and a lower pipe body, wherein the middle flat plate is provided with a through hole which can be used for integrally fixing the isolation sleeve on a certain foundation structure; the outer wall of the upper pipe body is connected with the annular sheet, the effect similar to a ribbed plate is formed on the surface of the upper pipe body, the upper pipe body is not easy to deform under the action of external force, and meanwhile, a transition cambered surface is arranged at the joint of the annular sheet and the upper pipe body, so that the area of the root of the annular sheet is increased, and the annular sheet is not easy to deform due to the external force; and simultaneously, the utility model discloses body surface has set up a plurality of annular archs down to form the fold structure, be used for making down the body non-deformable when receiving radial external force. On this basis, the utility model discloses lower port department sets up the shrouding on the isolation sleeve, can play certain sealing effect to internal mechanism on the one hand, and on the other hand can play radial supporting role, the easy yielding problem of pipe orifice department when avoiding the isolation sleeve to receive exogenic action. Use the utility model discloses, can make the spacer sleeve exterior structure have higher mechanical strength to play better mechanical nature protecting effect to the internal pipeline.

Drawings

FIG. 1 is a perspective view of the present invention from a single viewing angle;

fig. 2 is a perspective view of the present invention from another perspective;

fig. 3 is a front view of the present invention;

in the figure:

1. upper pipe body 2, annular sheet 3, transition cambered surface 4 and flat plate

5. Upper convex pipe 6, lower convex pipe 7, through hole 8 and lower pipe body

9. Annular protrusion 10, inside lining pipe 11, upper closing plate 12, lower closing plate.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

A novel isolation sleeve is shown in figures 1-3 and comprises an upper pipe body 1, annular sheets 2, a transition arc surface 3, a flat plate 4, an upper convex pipe 5, a lower convex pipe 6, through holes 7, a lower pipe body 8, annular protrusions 9, an inner lining pipe 10, an upper sealing plate 11 and a lower sealing plate 12, wherein the outer wall of the upper pipe body 1 is sleeved with a plurality of annular sheets 2 which are parallel to each other, the annular sheets 2 are fixedly connected with the outer wall of the pipe body 1 through the transition arc surface 3, the flat plate 4 is provided with a circular hole, the upper end of the circular hole is fixedly connected with the upper convex pipe 5, the lower end of the circular hole is fixedly connected with the lower convex pipe 6, the flat plate 4 is further provided with a plurality of through holes 7, the outer wall of the lower pipe body 8 is provided with a plurality of annular protrusions 9, the lower end of the upper pipe body 1 is fixedly connected with the upper end of the upper convex pipe 5, the upper end of the lower pipe body 8, The round hole and the lower pipe body 8 form a channel, the lining pipe 10 is inserted in the channel, the upper end face of the upper pipe body 1 is connected with an upper sealing plate 11, and the lower end face of the lower sealing plate 12 is connected with a lower sealing plate 12.

The structure principle of the device is as follows: the upper pipe body 1 is an upper structure of an isolation sleeve, and is used for being sleeved outside the inner lining pipe 10 on one hand and bearing the transition cambered surface 3 and the annular sheet 2 on the other hand; the annular sheet 2 plays a role similar to a ribbed plate on the outer wall of the upper pipe body 1, so that the strength of the upper pipe body 1 is enhanced, and the probability of deformation of the upper pipe body is reduced; the transition cambered surface 3 increases the contact area between the root of the annular sheet 2 and the upper pipe body 1, and is beneficial to ensuring that the annular sheet 2 is not easy to deform when stressed; the flat plate 4 is provided with a through hole 7, so that the isolation sleeve can be fixed on other base structures; the upper convex pipe 5 and the lower convex pipe 6 are respectively used for connecting the upper pipe body 1 and the lower pipe body 8, so that the circular holes on the upper pipe body 1, the lower pipe body 8 and the flat plate 4 are connected into a through channel which is used for accommodating the lining pipe 10; the lower pipe body 8 is a lower structure of the isolation sleeve and is used for being sleeved outside the lining pipe 10 to protect the lining pipe; the annular bulge 9 on the surface of the lower pipe body 8 forms a fold structure for enabling the lower pipe body 8 to be not easy to deform when being subjected to radial external force; the liner tube 10 is a protected internal conduit; the upper sealing plate 11 and the lower sealing plate 12 are used for sealing the ports on one hand, and play a radial supporting role for the ports on the other hand, so that the problem that the pipe orifices are easily deformed when the isolating sleeve is subjected to an external force is solved.

Example 2

A novel isolation sleeve is shown in figures 1-3 and comprises an upper pipe body 1, annular sheets 2, a transition arc surface 3, a flat plate 4, an upper convex pipe 5, a lower convex pipe 6, through holes 7, a lower pipe body 8, annular protrusions 9, an inner lining pipe 10, an upper sealing plate 11 and a lower sealing plate 12, wherein the outer wall of the upper pipe body 1 is sleeved with a plurality of annular sheets 2 which are parallel to each other, the annular sheets 2 are fixedly connected with the outer wall of the pipe body 1 through the transition arc surface 3, the flat plate 4 is provided with a circular hole, the upper end of the circular hole is fixedly connected with the upper convex pipe 5, the lower end of the circular hole is fixedly connected with the lower convex pipe 6, the flat plate 4 is further provided with a plurality of through holes 7, the outer wall of the lower pipe body 8 is provided with a plurality of annular protrusions 9, the lower end of the upper pipe body 1 is fixedly connected with the upper end of the upper convex pipe 5, the upper end of the lower pipe body 8, The round hole and the lower pipe body 8 form a channel, the lining pipe 10 is inserted in the channel, the upper end face of the upper pipe body 1 is connected with an upper sealing plate 11, and the lower end face of the lower sealing plate 12 is connected with a lower sealing plate 12. Wherein, the fixed connection is welding. The annular protrusions 9 are parallel to each other, and the outer diameter of each annular protrusion 9 is 1.1 times that of the lower pipe body 8. The height of the lower convex tube 6 is 2.5 times of the thickness of the flat plate 4, and the thickness of the flat plate 4 is 2 times of the thickness of the upper convex tube 5. The axis of the upper pipe body 1, the axis of the lower pipe body 8, the axis of the lining pipe 10 and the axis of the round hole are superposed with each other.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A novel isolation sleeve is characterized by comprising an upper pipe body (1), annular sheets (2), a transition arc surface (3), a flat plate (4), an upper convex pipe (5), a lower convex pipe (6), through holes (7), a lower pipe body (8), annular protrusions (9), a lining pipe (10), an upper sealing plate (11) and a lower sealing plate (12), wherein the outer wall of the upper pipe body (1) is sleeved with a plurality of annular sheets (2) which are parallel to each other, the annular sheets (2) are fixedly connected with the outer wall of the pipe body (1) through the transition arc surface (3), a round hole is formed in the flat plate (4), the upper end of the round hole is fixedly connected with the upper convex pipe (5), the lower end of the round hole is fixedly connected with the lower convex pipe (6), the flat plate (4) is also provided with the plurality of through holes (7), the outer wall of the lower pipe body (8) is provided with the plurality of annular protrusions (9), the lower end of the upper pipe body (1) is fixedly connected with the upper end of the upper convex pipe (5), the upper end of the lower pipe body (8) is fixedly connected with the lower end of the lower convex pipe (6), the upper pipe body (1), the round hole and the lower pipe body (8) enclose a channel, the lining pipe (10) is inserted in the channel, the upper end face of the upper pipe body (1) is connected with an upper sealing plate (11), and the lower end face of the lower sealing plate (12) is connected with a lower sealing plate (12).

2. The new spacer sleeve as claimed in claim 1, wherein said fixed connections are all welds.

3. A new type of insulating sleeve according to claim 1, characterized in that said annular protrusions (9) are parallel to each other, the outer diameter of said annular protrusions (9) being 1.1 times the outer diameter of the lower tubular body (8).

4. A new type of insulating sleeve according to claim 1, characterized in that the height of the lower protruding tube (6) is 2.5 times the thickness of the flat plate (4), and the thickness of the flat plate (4) is 2 times the thickness of the upper protruding tube (5).

5. A new type of insulating bushing, according to claim 1, characterized in that the axis of the upper tubular body (1), the axis of the lower tubular body (8), the axis of the lining tube (10), the axis of the circular hole coincide with each other.

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