CN213333061U

CN213333061U - Sleeve connecting structure

Info

Publication number: CN213333061U
Application number: CN202022308994.7U
Authority: CN
Inventors: 张辉
Original assignee: Shanghai Sunaay Automation Technology Ltd
Current assignee: Shanghai Sunaay Automation Technology Ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-01
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to the technical field of pipe fitting connection, in particular to a sleeve pipe connection structure, which comprises a sleeve pipe connection part body, wherein the sleeve pipe connection part body comprises a first pipe fitting and a second pipe fitting, the first pipe fitting is a hollow pipe fitting with two open ends, and the second pipe fitting is a hollow pipe fitting with one open end; the first pipe fitting comprises a first connecting section of a cylindrical structure, the section of the first connecting section is positioned at one end of the first pipe fitting, the opening of the first connecting section is an opening at one end of the first pipe fitting, a sealing piece is arranged on the opening end surface, and a first connecting part is arranged on the outer wall of the first connecting section; the second pipe fitting includes the second linkage segment of cylinder structure, and its internal diameter is greater than the external diameter of first linkage segment, and the second linkage segment is located the one end that sets up the open-ended of second pipe fitting, and the opening of second linkage segment is the opening of second pipe fitting, and the inner wall of second linkage segment is equipped with the second connecting portion, and it is with first connecting portion one-to-one. The utility model discloses can realize quick detach and fast-assembling, make with processing swiftly, output is high.

Description

Sleeve connecting structure

Technical Field

The utility model relates to a pipe connection technical field, concretely relates to bushing structure.

Background

Pipe fittings are used in piping systems as components for fluid control, and the joints are usually welded, clamped, or threaded. Among them, welding requires special appliances and power supply environments and specialized operators; the clamping mode and other modes not only need to prepare additional connecting pieces such as pipe clamps, clamping clamps or clamping sleeves in advance, but also have certain operation difficulty because the position during clamping is not easy to fix compared with other modes; the threaded connection mode needs to be performed between the connected pipe fittings or between the pipe fittings and the connecting piece in a relative rotation mode, and is not suitable for scenes with narrow construction space or no rotation condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bushing structure solves above technical problem.

The utility model provides a technical problem can adopt following technical scheme to realize:

a casing pipe connecting structure comprises a casing pipe connecting piece body, wherein the casing pipe connecting piece body comprises a first pipe fitting and a second pipe fitting, the first pipe fitting is a hollow pipe fitting with two open ends, and the second pipe fitting is a hollow pipe fitting with one open end;

the first pipe fitting comprises a first connecting section used for being connected with the second pipe fitting, the first connecting section is of a cylindrical structure and is positioned at one end of the first pipe fitting, the opening of the first connecting section is an opening at one end of the first pipe fitting, a sealing element is arranged on the opening end face, and a first connecting part is arranged on the outer wall of the first connecting section;

the second pipe fitting comprises a second connecting section used for being connected with the first pipe fitting, the second connecting section is of a cylindrical structure, the inner diameter of the second connecting section is larger than the outer diameter of the first connecting section, the second connecting section is located at one end, provided with an opening, of the second pipe fitting, the opening of the second connecting section is the opening of the second pipe fitting, second connecting portions are arranged on the inner wall of the second connecting section, the second connecting portions correspond to the first connecting portions in a one-to-one mode, and when the second pipe fitting is sleeved into the first connecting section of the first pipe fitting from one end, where the second connecting section is located, of the second pipe fitting, the first connecting portions and the second connecting portions are connected in a clamped mode.

The utility model discloses a set up the linkage segment that corresponds (first linkage segment and second linkage segment) at the outer wall of two interconnect's pipes, set up corresponding connecting portion again on respective linkage segment, connecting portion on two linkage segments are the one-to-one, realize pipe connection structure after the mutual joint of connecting portion that makes two places when making the connection accessible of two pipes nested each other, traditional mode is simpler when connecting the operation relatively.

Optionally, the first connecting portion is a concave structure, and the second connecting portion is a convex structure.

Optionally, the first connecting portion is a protruding structure, and the second connecting portion is a recessed structure.

Optionally, at least two of the first connecting portions are uniformly provided around an outer wall of the first connecting section.

The utility model discloses a set up first connecting portion into protruding or sunk structure, the second connecting portion that correspond set up to sunken or protruding structure, make the processing of product structure become easier for traditional structure, can improve production efficiency, moreover, also greatly reduced for the threaded connection structure in the traditional structure to the requirement of precision.

Optionally, a groove is formed in an end of the first pipe, the groove is located on an end face of the opening of the first connecting section of the first pipe, and the groove is of a closed circular ring-shaped structure and is arranged around the circular ring-shaped end face of the opening of the first connecting section;

the sealing element is arranged in the groove, and the thickness of the sealing element is larger than the depth of the groove, so that after the sealing element is arranged in the groove, part of the structure of the sealing element is exposed out of the groove, the sealing element exposed out of the groove can be pressed after the first pipe fitting and the second pipe fitting are clamped conveniently, and the sealing effect is achieved.

Optionally, the sealing element is an O-ring, and the cross-sectional diameter of the sealing element is greater than the depth of the groove.

Optionally, the other end of the second tube is closed.

The utility model discloses set up the other end of second pipe fitting into the enclosed construction after, can make the second pipe fitting become an end cap structure, realize closing and sealed effect to the opening tip of other pipe fittings (for example, first pipe fitting in this application), its installation rapidity is applicable to the more sensitive application occasion in man-hour in the installation moreover.

Has the advantages that: since the technical scheme is used, the utility model discloses a make with the processing swift, output is high, for traditional connection structure, need not the processing requirement of high accuracy, the finished product need not like the rotation adjustment space of traditional structure when the connection operation moreover, and is less to the space requirement of installation, and convenient operation is rapid, can realize quick detach and fast-assembling.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the first and second tubular components of FIG. 1 after separation;

FIG. 3 is a second schematic structural diagram of the present invention;

FIG. 4 is a schematic view of the first and second tubular components of FIG. 3 after separation;

fig. 5 is a third schematic structural diagram of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings. It is noted that the terms "first," "second," "third," "fourth," and the like (if any) in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises" or "comprising," and any variations thereof, are intended to cover non-exclusive inclusions, such that a product or apparatus that comprises a list of elements or units is not necessarily limited to those elements or units expressly listed, but may include other elements or units not expressly listed or inherent to such product or apparatus.

Referring to fig. 1, 2, 3 and 4, a casing connection structure includes a casing connection member body, which includes a first pipe 1 and a second pipe 2, the first pipe 1 is a hollow pipe with two open ends, and the second pipe 2 is a hollow pipe with one open end;

the first pipe fitting 1 comprises a first connecting section (the first connecting section refers to a part located above the external thread of the outer wall of the first pipe fitting shown in fig. 1 and 2) for connecting with the second pipe fitting 2, the first connecting section is of a cylindrical structure and located at one end of the first pipe fitting 1, the opening of the first connecting section is an opening at one end of the first pipe fitting 1, a sealing element 5 is arranged on the opening end face, and a first connecting part is arranged on the outer wall of the first connecting section;

the second pipe fitting 2 comprises a second connecting section used for being connected with the first pipe fitting 1, the second connecting section is of a cylindrical structure, the inner diameter of the second connecting section is larger than the outer diameter of the first connecting section, the second connecting section is located at one end, provided with an opening, of the second pipe fitting 2, the opening of the second connecting section is an opening of the second pipe fitting 2, second connecting portions are arranged on the inner wall of the second connecting section, the second connecting portions correspond to the first connecting portions one to one, and when the second pipe fitting 2 is sleeved into the first connecting section of the first pipe fitting 1 from one end, where the second connecting section is located, the first connecting portions are connected with the second connecting portions in a clamped mode.

It should be noted that the first connecting section is configured to provide the structure of the first pipe 1 with higher design flexibility, for example, the body of the pipe, except for the first connecting section, may be configured as a cylindrical structure seamlessly connected with the first connecting section, or may be a non-cylindrical upright cylindrical structure, for example, a hollow cylindrical structure with four side walls and a rectangular cross section. The arrangement of the second connection section of the second tube element 2, corresponding to the design of the first connection section of the first tube element 1, has the same purpose, which enables the body of the second tube element 2 to be arranged in a hollow cylinder structure in addition to the second connection section,

in addition, the outer diameter of the first connecting section and the inner diameter of the second connecting section in the present application both refer to diameters.

In some embodiments, as shown in fig. 1 and 2, the first connection portion is configured as a concave structure 301 sinking to the outer wall of the first connection section, and the second connection portion is configured as a convex structure 401 protruding from the inner wall of the second connection section.

In other embodiments, as shown in fig. 3 and 4, the first connection portion is a raised structure 302 that is raised outwardly from the outer wall of the first connection section, and the second connection portion is a recessed structure 402 that is recessed inwardly from the inner wall of the second connection section.

In some embodiments, to achieve the stability of the connection structure and the uniformity of the connection effect, the following structure may be provided: the outer wall around first linkage segment is equipped with two at least first connecting portions uniformly, and the second connecting portion and first connecting portion one-to-one, its quantity and the position distribution on the second linkage segment also form the same with the quantity and the position distribution of first connecting portion on first linkage segment.

The utility model discloses a set up first connecting portion into protruding or sunk structure, what correspond sets up the second connecting portion into sunken or protruding structure, makes the processing of product structure become easier for traditional structure, can improve production efficiency, moreover, also greatly reduced for the threaded connection structure in the traditional structure to the requirement of precision.

It should be noted that the one-to-one correspondence between the second connection portions and the first connection portions includes position correspondence and number correspondence. When the first connecting part or the second connecting part is set to be a convex structure, the convex structure can be welded with an independent structural part to be formed into a convex structure;

or the first pipe fitting or the second pipe fitting can be integrally formed with the first connecting section or the second connecting section when the first pipe fitting or the second pipe fitting is cast;

or when the protruding structure is provided on the second connecting member, it forms a protruding structure protruding from the inner wall by punching at the outer wall of the second connecting section (the protruding structure is not shown in the structure shown in the present application).

In some preferred embodiments, the following arrangement is made for the convex structure and the concave structure of the first connecting part and the second connecting part:

1) when the first connection portion is configured as a concave structure and the second connection portion is configured as a convex structure, as shown in fig. 1 and fig. 2, the side wall of the concave structure 301 close to the open end of the first connection section is a vertical surface (in the structure shown in fig. 1 and fig. 2, the two opposite side walls of the concave structure 301 are both shown as vertical, and the side wall close to the open end of the first connection section referred to herein is a side wall located above of the two side walls distributed up and down in the illustrated structure according to the illustrated direction), so that the side wall is perpendicular to the outer wall of the first connection section, i.e., parallel to the radial direction of the first connection section, and the convex end of the convex structure 401 of the second connection portion corresponding to the side wall is provided with a vertical surface (for convenience of distinction, the other side is configured as an inclined surface) which is located on the side of the. After the first pipe fitting 1 and the second pipe fitting 2 are clamped, the vertical side wall of the concave structure 301 and the vertical surface of the convex structure 401 are mutually attached, so that a stable clamping and pulling structure is formed, and loosening is prevented;

2) when the first connecting portion is configured as a convex structure and the second connecting portion is configured as a concave structure, as shown in fig. 3 and 4, a side of the convex structure 302 away from the opening of the first connecting section is a vertical surface, which is perpendicular to the outer wall of the first connecting section, and at this time, the concave structure 402 of the second connecting portion has a vertical sidewall, which is located at a side of the concave structure close to the opening of the second connecting section (in the structures shown in fig. 3 and 4, both opposite sidewalls of the concave structure are shown as vertical, and the vertical sidewall close to the side of the opening of the second connecting section referred to herein is a sidewall located below in two opposite sidewalls distributed up and down in the illustrated structure according to the illustrated direction), and after the first pipe 1 and the second pipe 2 are clamped, the vertical sidewall of the concave structure 402 and the vertical surface of the convex structure 302 form a stable clamping structure to prevent the vertical surface from being loosened.

In other preferred embodiments, the wall thickness of the second connecting section may be set to be thin, for example, a stainless steel stamping with a thickness of 0.3mm to 0.5mm is used to form the second connecting section with a hollow interior and an open end, so that the second connecting section can be deformed after the outer wall of the second connecting section is radially applied with a force, and when the second connecting section is conveniently disassembled, the second connecting section can be pried by a tool to deform the second connecting section after the opening of the second connecting section is opened, so that the first pipe fitting 1 and the second pipe fitting 2 can be separated after being loosened, and the quick disassembly is realized.

In some embodiments, as shown in fig. 2 and 4, the end of the first pipe 1 is provided with a groove 6, the groove 6 is located on the open end face of the first connecting section of the first pipe 1, and the groove 6 is a closed circular ring-shaped groove 6 which is arranged around the open circular ring-shaped end face of the first connecting section;

sealing member 5 sets up in recess 6, and the thickness of sealing member 5 is greater than the degree of depth of recess 6 to make sealing member 5 set up back in recess 6, the partial structure of sealing member 5 exposes outside recess 6, and the first pipe fitting 1 of being convenient for and the 2 joint backs of second pipe fitting can oppress and expose in the outer sealing member 5 of recess 6, thereby play sealed effect.

In some of the preferred embodiments, the seal 5 is an O-ring and has a cross-sectional diameter greater than the depth of the groove 6.

In some embodiments, the other end of the second tube 2 is closed. The second pipe fittings in fig. 1 to 4 of the present invention are all of such a structure. The utility model discloses set up second pipe fitting 2's the other end into the enclosed construction after, can make second pipe fitting 2 become an end cap structure, realize closing and sealed effect to the opening tip of pipe fitting (for example, first pipe fitting 1), its installation rapidity is applicable to the more sensitive application occasion of man-hour in the installation moreover. In other embodiments, when the other end of the second pipe 2 is not sealed, in order to achieve tight fit between the two pipes and achieve a sealing effect between the outer wall of the first pipe and the inner wall of the second pipe after the pipes are nested with each other and the connecting portion is clamped with each other, a blocking member needs to be disposed in the second pipe, and in the structure shown in fig. 5, the blocking member 7 is disposed on the inner wall of the second pipe 2, and is used for forming an upward restoring action after the sealing member 5 is squeezed by the blocking member 7 after the first pipe 1 and the second pipe 2 are nested with each other and clamped, and the clamping effect is achieved by the two clamping portions through the restoring action. It should be noted that, in order to achieve the intercommunication between the first pipe and the second pipe, the blocking member 7 cannot block the inner cavity of the second pipe 2, and its structure is only another protruding structure protruding from the inner wall of the second pipe (different from the structure when the second connecting portion is configured as a protruding structure), and the protruding height is only sufficient to allow the blocking member to be pressed on the sealing member exposed outside the groove.

To sum up, the utility model discloses a set up the linkage segment (first linkage segment and second linkage segment) that corresponds at the outer wall of two interconnect's pipes, set up corresponding connecting portion again on respective linkage segment, connecting portion on two linkage segments are the one-to-one, make realize pipe connection structure after the mutual joint of connecting portion that makes two places when the connection accessible of two pipes is nested each other, connect traditional mode relatively when operating simpler.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A casing pipe connecting structure comprises a casing pipe connecting piece body, and is characterized in that the casing pipe connecting piece body comprises a first pipe fitting and a second pipe fitting, the first pipe fitting is a hollow pipe fitting with two open ends, and the second pipe fitting is a hollow pipe fitting with one open end;

the second pipe fitting includes one be used for with the second linkage segment that first pipe fitting is connected, the second linkage segment is the cylinder structure, and its internal diameter is greater than the external diameter of first linkage segment, the second linkage segment is located the second pipe fitting sets up open-ended one end, just the opening of second linkage segment does the opening of second pipe fitting, the inner wall of second linkage segment is equipped with the second connecting portion, the second connecting portion with first connecting portion one-to-one.

2. A casing pipe connecting structure according to claim 1, wherein said first connecting portion is a concave structure and said second connecting portion is a convex structure.

3. A casing pipe coupling structure according to claim 1, wherein said first coupling portion is a convex structure and said second coupling portion is a concave structure.

4. A casing connecting structure according to claim 2 or 3, wherein at least two of said first connecting portions are provided uniformly around the outer wall of said first connecting section.

5. A casing pipe connecting structure according to claim 1, 2 or 3, wherein the end of the first pipe member is provided with a groove which is located on the open end face of the first connecting section of the first pipe member, and the groove is a closed circular ring-shaped groove which is provided around the open circular ring-shaped end face of the first connecting section;

the sealing element is arranged in the groove, and the thickness of the sealing element is larger than the depth of the groove.

6. A casing connection according to claim 5, wherein the sealing member is an O-ring and has a cross-sectional diameter greater than the depth of the groove.

7. A casing pipe connection according to claim 5, wherein the other end of the second pipe member is closed.

8. A casing pipe connection according to claim 4, wherein the end of the first pipe member is provided with a groove which is located on the open end face of the first connection section of the first pipe member, and the groove is a closed circular ring-shaped groove which is located around the open circular ring-shaped end face of the first connection section;

9. A casing pipe connecting structure according to claim 8, wherein said sealing member is an O-ring having a cross-sectional diameter larger than a depth of said groove.

10. A casing pipe connection according to claim 8, wherein the other end of the second pipe member is closed.