CN216590449U

CN216590449U - Carbon steel joint

Info

Publication number: CN216590449U
Application number: CN202220097439.0U
Authority: CN
Inventors: 叶荣权; 陈玉龙; 任再勇; 叶云土; 潘修益
Original assignee: Taizhou Tongda Machinery Co ltd
Current assignee: Taizhou Tongda Machinery Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-05-24
Anticipated expiration: 2032-01-14

Abstract

The utility model provides a carbon steel connects belongs to coupling technical field. It has been solved current articulate and has used inconveniently, and threaded connection is easy the spiral not hard up, the relatively poor problem of structural stability. This carbon steel connects including connecting the body, connects the middle part of body and has the outer hexagonal operation portion that radial protrusion set up, connects the one end of body and has the riveting piece that the axial was pegged graft and is set up, should rivet piece and outer hexagonal operation portion and form the axial riveting position, is provided with the assembly structure who is used for adjusting axial riveting position interval size between riveting piece and the joint body. The utility model discloses well joint body, riveting component components of a whole that can function independently are made, and at relative riveting equipment, production is convenient, convenient assembling, and joint body, the relative connection structure stability of riveting component are higher, long service life.

Description

Carbon steel joint

Technical Field

The utility model belongs to the technical field of the coupling, a carbon steel connects is related to.

Background

In the connection assembly technology of the pipe joint, an external pipeline needs to be fixed for liquid drainage, and the existing pipe joint is fixed in a riveting mode; for example, chinese patent literature discloses a leakage-preventing pipe joint mechanism for an automotive air conditioner [ application No.: 201610668417.4, respectively; authorization notice number: CN106247042A ], the concrete structure comprises a pipe body and a joint, the pipe body is riveted with the joint, the pipe body comprises a main pipe part and an expanded pipe part positioned at the end of the main pipe part, the expanded pipe part is formed by expanding the main pipe part, the pipe diameter of the expanded part is larger than that of the main pipe part, the expanded pipe part is connected with the main pipe part through a transition part, the joint comprises an end cap and a hexagonal prism, the end cap and the hexagonal prism are both hollow structures, a first cavity is formed in the end cap, a second cavity is formed in the hexagonal prism, the expanded pipe part is positioned in the second cavity, the main pipe part passes through the first cavity and extends outwards, the outer wall of the expanded pipe part is attached to the inner wall of the hexagonal prism, and the outer wall of the main pipe part positioned in the first cavity is attached to the inner wall of the end cap; and the outer wall of the hexagonal prism is also provided with an external thread.

In foretell structure, the relative position that the riveting links to each other between this body and the joint is not adjustable, and production assembly is inconvenient, and the other end of this body in addition needs threaded connection equally when the assembly, connects to use inconveniently, and threaded connection is easy the spiral not hard up, and structural stability is relatively poor, and life is short.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide an axial spacing adjustable of simple structure, riveting position, production convenient assembling, stable in structure, long service life's carbon steel connects.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a carbon steel connects, includes the joint body, the middle part of joint body outer hexagonal operation portion that has radial protrusion and set up, the one end of joint body rivet piece that sets up has the axial to peg graft, this rivet piece and outer hexagonal operation portion form the axial and rivet the position, its characterized in that, rivet piece and joint body between be provided with and be used for adjusting the assembly structure of axial riveting position interval size.

This carbon steel connects mainly sets up assembly structure between riveting piece and joint body, can change axial riveting position interval size through assembly structure, uses convenient assembling, and structural stability is high, long service life.

In the carbon steel joint, the joint body is of a cylindrical structure, the riveting piece comprises an inner bushing, the outer end of the inner bushing is provided with a riveting edge which is arranged in a radially outward-turned mode, the inner bushing axially penetrates through one end of the joint body, and the riveting edge axially abuts against the end of one end of the joint body. In actual use, the riveting edge and the outer hexagonal operation part form an axial riveting position, and the axial riveting position is used for fixing riveting assembly.

In the above-mentioned carbon steel joint, the assembly structure include that the tip of the one end of joint body has the enstrophe edge of radial inward extension, the neck bush axial slip wear to locate the enstrophe edge of joint body in be used for the regulation of axial riveting position interval size, the inner axial of neck bush support to lean on the deformation and form the edge that expands outward, should expand outward and be provided with between edge and the enstrophe edge and make the neck bush carry out the regulation structure that axial elastic displacement adjusted in the enstrophe edge of joint body. During actual assembly, the axial specific position of the outward-expanding edge of the inner end of the inner bushing can be adjusted according to the distance of the axial riveting position and then abutted to deformation treatment, and the outward-expanding edge of the inner end of the inner bushing is assembled in an inward riveting mode.

In the carbon steel joint, the adjusting structure comprises a compression spring, the compression spring is sleeved on the inner lining sleeve, one end of the compression spring is elastically abutted against the inward turned edge of the joint body, and the other end of the compression spring is elastically abutted against the outward expanded edge of the inner lining sleeve. After the inner riveting treatment of the outward-expanding edge of the inner end of the inner bushing, the inner bushing always has the tendency of inward displacement under the action of the compression spring, and the purpose of the arrangement is to enable the riveting and fixing structure of the inner bushing to be more stable.

In the carbon steel joint, the inner bushing is further sleeved with more than one rubber pad, the rubber pads are located at the inner end of the inner bushing and are axially abutted and matched with the outward-expanding edge, and the other end of the compression spring elastically acts on the rubber pads. The rubber pad can be extruded and deformed during the internal riveting treatment of the external expanding edge of the inner end of the inner bushing, and the structure is stable.

In the carbon steel joint, an embedding groove is formed in the axial end face of the outer hexagonal operation part opposite to the riveting edge, and an elastic abutting ring is fixedly arranged in the embedding groove of the outer hexagonal operation part. The purpose of this is to make: the axial riveting position is used for fixing the riveting position and is more stable in structure during riveting assembly.

In the carbon steel joint, the outer wall of the other end of the joint body is provided with an external thread, and the external thread axially and spirally extends to the outer hexagonal operation part. The purpose that sets up like this makes the joint body when the spiral assembly, can the axial support lean on in outer hexagonal operation portion, and the structure is more stable.

Compared with the prior art, the carbon steel joint has the advantages that: the axial riveting position interval is adjustable in size and convenient to use and assemble, the connector body and the riveting piece are manufactured in a split mode, riveting assembly is carried out relatively, production is convenient, assembling is convenient, the stability of the relative connecting structure of the connector body and the riveting piece is high, and the service life is long.

Drawings

Fig. 1 is a schematic perspective view of the present carbon steel joint.

FIG. 2 is a schematic sectional view of the present carbon steel joint.

In the figure, 1, a joint body; 2. an outer hexagonal operation part; 3. axial riveting position; 4. an inner liner; 5. riveting edges; 6. inward turning edges; 7. outwardly expanding the edge; 8. a compression spring; 9. a rubber pad; 10. an elastic leaning ring; 11. and (4) external threads.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the carbon steel joint mainly comprises a joint body 1, wherein the middle part of the joint body 1 is provided with an outer hexagonal operation part 2 which is arranged in a radial protruding manner, one end of the joint body 1 is provided with a riveting piece which is arranged in an axial insertion manner, and the riveting piece and the outer hexagonal operation part 2 form an axial riveting position 3; during actual manufacturing, this joint body 1 is cylindric structure, and the riveting piece includes interior bush 4, and the outer end of interior bush 4 has the riveting edge 5 of the setting of radially turning up, and the same axial of interior bush 4 is worn to locate the one end of joint body 1, and this riveting edge 5 supports in the axial and leans on the one end tip that connects body 1.

During actual manufacturing, an assembly structure for adjusting the distance between the axial riveting position 3 is arranged between the riveting piece and the joint body 1; the specific implementation mode of the assembly structure is as follows: the end part of one end of the joint body 1 is provided with an inward turning edge 6 which extends inwards in the radial direction, the inner bush 4 is axially slidably arranged in the inward turning edge 6 of the joint body 1 in a penetrating mode and used for adjusting the distance between the axial riveting positions 3, the inner end of the inner bush 4 is axially abutted against the deformation to form an outward expansion edge 7, and an adjusting structure which enables the inner bush 4 to perform axial elastic displacement adjustment in the inward turning edge 6 of the joint body 1 is arranged between the outward expansion edge 7 and the inward turning edge 6.

In practical application, the specific implementation of the adjusting structure is as follows: the joint mainly comprises a compression spring 8, wherein the compression spring 8 is sleeved on an inner bushing 4, one end of the compression spring 8 is elastically abutted against an inward-turned edge 6 of a joint body 1, and the other end of the compression spring 8 is elastically abutted against an outward-expanded edge 7 of the inner bushing 4; during actual assembly, two rubber pads 9 are further sleeved on the inner bushing 4, the rubber pads 9 are located at the inner end of the inner bushing 4 and are axially abutted and matched with the outward-expanding edge 7, and the other end of the compression spring 8 elastically acts on the rubber pads 9.

During actual production and manufacturing, an embedding groove is formed in the axial end face of the outer hexagonal operation part 2 opposite to the riveting edge 5, and an elastic abutting ring 10 is fixedly arranged in the embedding groove of the outer hexagonal operation part 2; an external thread 11 is arranged on the outer wall of the other end of the joint body 1, and the external thread 11 axially and spirally extends to the outer hexagonal operation part 2.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a carbon steel connects, includes and connects body (1), the middle part that connects body (1) outer hexagonal operation portion (2) that radial protrusion set up have, the one end that connects body (1) rivet piece that the axial grafting set up has, this rivet piece and outer hexagonal operation portion (2) form axial riveting position (3), its characterized in that, rivet piece and connect body (1) between be provided with and be used for adjusting the assembly structure of axial riveting position (3) interval size.

2. The carbon steel joint as claimed in claim 1, wherein the joint body (1) is of a cylindrical structure, the riveting member comprises an inner bushing (4), the outer end of the inner bushing (4) is provided with a riveting edge (5) which is radially turned outwards, the inner bushing (4) is axially arranged at one end of the joint body (1), and the riveting edge (5) axially abuts against one end of the joint body (1).

3. The carbon steel joint as recited in claim 2, characterized in that the assembling structure comprises an inward-turned edge (6) extending radially and inwardly at one end of the joint body (1), the inner bushing (4) is axially slidably arranged in the inward-turned edge (6) of the joint body (1) for adjusting the distance between the axial riveting positions (3), the inner end of the inner bushing (4) is axially abutted and deformed to form an outward-expanding edge (7), and an adjusting structure for axially and elastically adjusting the displacement of the inner bushing (4) in the inward-turned edge (6) of the joint body (1) is arranged between the outward-expanding edge (7) and the inward-turned edge (6).

4. A carbon steel joint as claimed in claim 3, characterised in that said adjustment means comprises a compression spring (8), said compression spring (8) being fitted around the inner bushing (4), one end of the compression spring (8) being resiliently urged against the turned-in edge (6) of the joint body (1), the other end of the compression spring (8) being resiliently urged against the flared edge (7) of the inner bushing (4).

5. A carbon steel joint as claimed in claim 4, wherein said inner bush (4) is further fitted with one or more rubber pads (9), said rubber pads (9) are located at the inner end of the inner bush (4) and are in axial abutting engagement with the flared edge (7), and the other end of said compression spring (8) elastically acts on the rubber pads (9).

6. A carbon steel joint as claimed in claim 5, characterised in that the axial end face of the outer hexagonal operating portion (2) opposite the riveting edge (5) is provided with an engagement groove, and the engagement groove of the outer hexagonal operating portion (2) is provided with a resilient abutment ring (10).

7. A carbon steel joint as claimed in claim 6, wherein the other end of the joint body (1) is provided with an external thread (11) on the outer wall thereof, and the external thread (11) is axially and spirally extended to the outer hexagonal operating portion (2).