CN217583536U

CN217583536U - Stainless steel tube head structure convenient to butt joint

Info

Publication number: CN217583536U
Application number: CN202221646466.5U
Authority: CN
Inventors: 曾光良
Original assignee: Sichuan Dongfang Changjin Pipe Technology Co ltd
Current assignee: Sichuan Dongfang Changjin Pipe Technology Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-10-14
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a nonrust steel pipe tube head structure convenient to butt joint, including rotating set inner tube, left side and revolve set, right side and revolve set, press the cover with the double-layered arc wall group and spacing ring, it establishes the lantern ring in the middle of being fixed with the inner tube to revolve the department cover of the outer pipe wall of set inner tube in the middle of the inner tube, lantern ring both sides in the middle of the inner tube revolve and be equipped with left side screw thread and right side screw thread on the outer pipe wall of set inner tube respectively, it passes through to revolve the set inner tube to overlap the screw thread and connect soon in the left side the cover is revolved in the left side, it passes through to revolve the set inner tube to overlap the screw thread and connect soon in the right side revolves and overlaps, the equal body coupling in both ends of the middle of the inner tube cover has the double-layered arc wall group, the left side revolve overlap with keep away from in the right side one side lantern ring of the inner tube is followed equal fixed mounting the spacing ring presses the cover. Has the advantages that: the utility model discloses a connect soon the butt joint that tight mode of clamp carries out nonrust steel pipe, the convenient butt joint is fixed to can dismantle reuse, the pipe fitting connects soon through self external member and compresses tightly, is applicable to long pipeline.

Description

Nonrust steel pipe tube head structure convenient to butt joint

Technical Field

The utility model relates to a stainless steel pipe field especially relates to a nonrust steel pipe tube head structure convenient to butt joint.

Background

The stainless steel pipe is divided into a common carbon steel pipe, a high-quality carbon structural steel pipe, an alloy structural pipe, an alloy steel pipe, a bearing steel pipe, a stainless steel pipe, a bimetal composite pipe, a plating layer, a coating pipe and the like which are used for saving precious metals and meeting special requirements, the stainless steel pipe is various in types and different in application, the technical requirements are different, the production method is different, most of the stainless steel pipe has higher hardness, the situation that two pipelines are butted is generated in the using process, the connection of the pipelines through clamping and pressing is the most common means in the industry at present, the connection of the spiral steel pipe is stable and is inconvenient to disassemble, the current spiral steel pipe head is disassembled and assembled through a screwing method, the use is more convenient, but the rotation of the spiral steel pipe head is more difficult for two longer stainless steel pipes, and the implementation difficulty for a long pipeline is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stainless steel tube head structure convenient to butt joint for solving the problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a nonrust steel pipe tube head structure convenient to butt joint, revolves cover, right side including revolving set inner tube, left side and revolves cover, double-layered arc wall group and spacing ring and press the cover, the lantern ring in the middle of the outer pipe wall of cover inner tube is established to department's cover and is fixed with the middle lantern ring of inner tube in the middle of the outer pipe wall of cover inner tube, lantern ring both sides in the middle of the inner tube be equipped with left side screw thread and right side screw thread on revolving set inner tube respectively, it passes through to revolve the cover inner tube the left side screw thread has connect soon the cover is revolved in the left side, it passes through to revolve the cover inner tube the right side screw thread has revolved the cover in the middle of the inner tube, the equal body coupling in both ends of ring cover is connected with double-layered arc wall group in the middle of inner tube, the left side revolve the cover with keep away from in the right side revolve the lantern ring along equal fixed mounting have spacing ring presses the cover, an organic whole installs two inner backing rings, two on the inboard pipe wall of revolving the inner backing ring all paste on the outside anchor ring and cover and install seal ring.

Furthermore, the arc clamping wall group is composed of two arc cylinder walls which are arranged oppositely, and a wall group clearance strip hole is clamped between the opposite wall edges of the two arc cylinder walls.

Furthermore, the wall thickness of the outer side end of the arc cylinder wall is larger than that of the inner side end of the arc cylinder wall.

Furthermore, a through collar ring is arranged inside the sealing washer, the outside aperture of the collar ring is larger than the inside aperture of the collar ring, and the inside aperture of the collar ring is smaller than the inside aperture of the inner backing ring.

Furthermore, a plurality of tool hole kits are fixedly mounted on the outer annular surface of the left side rotating sleeve and the outer annular surface of the right side rotating sleeve, and tool holes are formed in the tool hole kits.

The beneficial effects are that: nonrust steel pipe tube head convenient to butt joint connect tight mode through revolving to carry out the butt joint of nonrust steel pipe, convenient butt joint is fixed, has better closure simultaneously to can dismantle reuse, the pipe fitting connects soon through self external member and compresses tightly, is applicable to long pipeline.

Drawings

Fig. 1 is a schematic structural diagram of a stainless steel tube head structure convenient for butt joint according to the present invention;

FIG. 2 is a schematic view of the outside of the inner pipe of the screw sleeve of the convenient-to-butt stainless steel pipe head structure of the present invention;

FIG. 3 is a schematic view of the inside of the inner pipe of the screw sleeve of the stainless steel pipe head structure convenient for butt joint;

fig. 4 is a rotation schematic diagram of the rotating sleeve clamp of the stainless steel pipe head structure convenient for butt joint.

The reference numerals are explained below:

1. screwing an inner pipe; 2. screwing a sleeve on the left side; 3. the right side is screwed with a sleeve; 4. a pinch wall group; 5. pressing the limiting ring; 6. a tool bore kit; 7. a middle lantern ring of the inner pipe; 8. left side threads; 9. right side threads; 10. wall group gap bar holes; 11. an inner backing ring; 12. a gasket is provided.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

the convenient-to-butt stainless steel pipe head structure shown in fig. 1-3 comprises a rotary sleeve inner pipe 1, a left rotary sleeve 2, a right rotary sleeve 3, an arc clamping wall group 4 and a limiting ring pressing sleeve 5;

an inner tube middle lantern ring 7 is fixedly sleeved in the middle of the outer tube wall of the inner tube 1 of the rotary sleeve, the inner tube middle lantern ring 7 is hexagonal, so that an external tool can be clamped or manually fixed conveniently, left threads 8 and right threads 9 are respectively arranged on the outer tube wall of the inner tube 1 of the rotary sleeve on two sides of the inner tube middle lantern ring 7, the inner tube 1 of the rotary sleeve is connected with a left rotary sleeve 2 through the left threads 8 in a rotary mode, and the inner tube 1 of the rotary sleeve is connected with a right rotary sleeve 3 through the right threads 9 in a rotary mode;

the two ends of the inner pipe middle ring sleeve 7 are integrally connected with arc clamping wall groups 4, the arc clamping wall groups 4 are used for clamping and fixing stainless steel pipes in the inner pipe, each arc clamping wall group 4 is composed of two arc cylinder walls which are arranged oppositely, wall group gap strip holes 10 are clamped between the opposite wall edges of the two arc cylinder walls, the wall group gap strip holes 10 are in an open state when not used, when clamping is needed, the wall group gap strip holes 10 are in a pressing and narrowing state to facilitate clamping, the wall thickness of the outer side end wall of each arc cylinder wall is larger than that of the inner side end wall of each arc cylinder wall, and the inner side end referred to here is one end close to the inner pipe 1 of the rotating sleeve;

the left rotary sleeve 2 and the right rotary sleeve 3 are fixedly provided with a limiting ring pressing sleeve 5 on the edge of a sleeve ring at one side far away from the middle sleeve ring 7 of the inner tube, and the limiting ring pressing sleeve 5 is used for pressing and clamping two arc tube walls of the arc wall group 4 in a rotating state;

two inner backing rings 11 are integrally installed on the inner side pipe wall of the inner pipe 1 of the rotary sleeve, sealing gaskets 12 are respectively installed on the outer side ring surfaces of the two inner backing rings 11 in a sticking mode, and the sealing gaskets 12 are used for enhancing the sealing performance of the two stainless steel pipes in a butt joint mode.

In this embodiment, in order to facilitate the insertion of the stainless steel pipe, a through collar hole is provided inside the sealing washer 12, an outer side aperture of the collar hole is larger than an inner side aperture of the collar hole, and the inner side aperture of the collar hole is smaller than an inner ring aperture of the inner backing ring 11.

In this embodiment, for the convenience of the left side revolves the rotation of cover 2 and right side revolves cover 3, fixed mounting has a plurality of instrument hole external member 6 on the outside anchor ring of cover 2 and right side revolves cover 3 on the left side, and instrument hole external member 6 revolves cover 2, right side and revolves cover 3 and can adopt integrated into one piece to be connected, also can be through the welding, is equipped with the instrument hole on the instrument hole external member 6, when using, specifically can refer to figure 4, can adopt to press from both sides to insert a class instrument and carry out supplementary rotation, through inserting two the instrument hole drives its rotation.

In the structure, when not carrying out the butt joint of nonrust steel pipe, the left side is revolved cover 2 and the right side and is revolved cover 3 and connect soon to the one side that is close to lantern ring 7 in the middle of the inner tube, then insert two nonrust steel pipes and revolve set 1 inside interior backing ring 11 in, revolve set 2 and the right side and revolve set 3 through screwing the left side to the outside, make the spacing ring pressure cover 5 of its linkage carry out the spinning to double-layered arc wall group 4, double-layered arc wall group 4 covers and establishes to press from both sides tightly nonrust steel pipe realization fixed, otherwise realizes dismantling.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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. The utility model provides a nonrust steel pipe tube head structure convenient to butt joint which characterized in that: including revolving set inner tube, left side and revolving set, right side and revolving set, double-layered arc wall group and spacing ring pressure cover, the department cover is established and is fixed with lantern ring in the middle of the outer pipe wall of cover inner tube soon, lantern ring both sides in the middle of the inner tube be equipped with left side screw thread and right side screw thread on revolving set inner tube outer pipe wall respectively, it has connect soon to revolve the cover inner tube to revolve the left side screw thread the cover is revolved in the left side, it has connect soon to revolve the cover inner tube right side screw thread the cover is revolved on the right side, the equal body in both ends of lantern ring is connected with in the middle of the inner tube double-layered arc wall group, the left side revolve the cover with keep away from on revolving the right side one side lantern ring of lantern ring has along last equal fixed mounting the spacing ring pressure cover, an organic whole is installed two inner backing rings, two on the inboard pipe wall of cover inner tube soon all paste on the outside anchor ring of backing ring and cover and install seal ring.

2. The stainless steel pipe head structure convenient for butt joint according to claim 1, wherein: the arc clamping wall group is composed of two arc cylinder walls which are arranged oppositely, and a wall group clearance strip hole is clamped between the opposite wall edges of the two arc cylinder walls.

3. The stainless steel pipe head structure convenient for butt joint according to claim 2, wherein: the wall thickness of the outer side end of the arc cylinder wall is larger than that of the inner side end of the arc cylinder wall.

4. The stainless steel pipe head structure convenient for butt joint according to claim 1, wherein: the inside of the sealing washer is provided with a through collar ring, the outside aperture of the collar ring is larger than the inside aperture of the collar ring, and the inside aperture of the collar ring is smaller than the inside aperture of the inner backing ring.

5. The stainless steel pipe head structure convenient for butt joint according to claim 1, wherein: the left side is revolved the cover with fixed mounting has a plurality of instrument hole external member on the outside anchor ring of right side spiral cover, be equipped with the instrument hole on the instrument hole external member.