CN214305835U

CN214305835U - Connecting structure of elbow of stainless steel pipe fitting lined with stainless steel

Info

Publication number: CN214305835U
Application number: CN202120609802.8U
Authority: CN
Inventors: 项雪
Original assignee: Wenzhou Fate Pipe Fittings Co ltd
Current assignee: Wenzhou Fate Pipe Fittings Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-09-28
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to the technical field of pipe fittings, in particular to a connecting structure of an elbow with a stainless steel pipe fitting lined inside, which comprises an elbow, wherein an inside lining layer is arranged inside the elbow, the inside lining layer is welded with the elbow, two ends of the elbow are both provided with connecting devices, and lining components are arranged on the connecting devices; the utility model discloses a be equipped with connector and solid fixed ring, the connector can be on solid fixed ring free rotation, make things convenient for the connector to be connected with the screw thread section on the elbow, through being equipped with bush and adjusting screw, it makes conical screw move up to rotate adjusting screw, can make the bush expansion, the outer wall of bush and the inner wall laminating of inner liner, effectively reduce rivers and strike lining and connecting device to extension elbow connection structure's life, sealed pad can make regulation mouth department sealed, avoid rivers to ooze from adjusting screw.

Description

Connecting structure of elbow of stainless steel pipe fitting lined with stainless steel

Technical Field

The utility model relates to a pipe fitting elbow technical field specifically is a connection structure of inside lining stainless steel pipe fitting elbow.

Background

The lining stainless steel pipe fitting is formed by welding a thin-wall stainless steel pipe serving as a carrier and is pulled from one end of a pipeline to be repaired to the other end by taking a traction winch as power. And after the inner lining stainless steel pipe fitting is inserted, stamping the inner lining stainless steel pipe fitting, and performing grouting and curing operation on a gap between the inner lining pipe and the original pipeline under the pressure maintaining condition. Forming a composite pipe which is tightly adhered with the original pipeline and has a smooth surface. Thereby achieving the repairing purposes of strong pressure resistance, impact resistance and integral corrosion resistance and prolonging the service life of the original pipeline by more than fifty years.

Inside lining stainless steel pipe fitting uses connection structure connection elbow usually for making things convenient for the rivers diversion in the use, and the elbow is when supplying water, and rivers diversion can lead to the velocity of flow to accelerate in the elbow, makes the inside rivers impact that suffers of elbow, accelerates elbow lateral wall wearing and tearing speed. The inside of current connection structure does not have safeguard measure, when suffering rivers impact, and the wearing and tearing speed is very fast, needs often to change connection structure, causes the waste of manpower and materials. In view of this, we propose a connecting structure of an elbow of a lining stainless steel pipe fitting.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above insufficiency, the utility model provides a connecting structure of inside lining stainless steel pipe fitting elbow.

The technical scheme of the utility model is that:

the utility model provides a connection structure of inside lining stainless steel pipe fitting elbow, includes the elbow, the elbow all is equipped with open-ended hollow structure for both ends, the inside of elbow is equipped with the inner liner, inner liner and elbow welding, the both ends of elbow all are equipped with connecting device, the last inside lining subassembly that installs of connecting device.

As preferred technical scheme, connecting device includes solid fixed ring, gu fixed ring all is equipped with the fixed slot at both ends about, gu fixed ring's the left and right sides all is equipped with the connector, just be close to solid fixed ring's one side on the connector and be equipped with the activity ring, the activity ring is corresponding with the fixed slot, the activity ring rotates with the fixed slot and is connected.

As preferred technical scheme, just be close to both ends department on the outer wall of elbow and all be equipped with the screw thread section, just keep away from solid fixed ring's one side on the inner wall of connector and be equipped with the screw thread, connector and screw thread section threaded connection.

As preferred technical scheme, the inside of connector just is located and is equipped with the rubber circle between connector and the elbow, the rubber circle cup joints with the connector.

As preferred technical scheme, the inside lining subassembly includes the bush, the bush is located solid fixed ring's inside, the top of bush is equipped with the regulation mouth, the top of bush just is close to regulation mouth department and is equipped with adjusting screw, adjusting screw runs through solid fixed ring, and with solid fixed ring threaded connection.

As an optimal technical scheme, the bottom of the adjusting screw is provided with a conical screw, the conical screw and the adjusting screw are integrally formed, the conical screw penetrates through the adjusting opening and is in threaded connection with the adjusting opening, and the top of the adjusting screw is welded with a rotating rod.

Preferably, a sealing gasket is arranged on the conical screw rod and inside the bushing, and the sealing gasket is in bonding fit with the bushing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be equipped with connector and solid fixed ring, the connector can be on solid fixed ring free rotation, rotates whole connecting device when avoiding connecting, makes things convenient for the connector to be connected with the screw thread section on the elbow.

2. The utility model discloses a be equipped with bush and adjusting screw, the bush is located the inboard of inner liner, rotates adjusting screw and makes conical screw rod rebound, can make the bush expansion, and the outer wall of bush and the inner wall laminating of inner liner can effectively reduce rivers and strike inner liner and connecting device to extension elbow connection structure's life.

3. The utility model discloses a be equipped with sealed the pad, adjusting screw can drive sealed the pad rebound when upwards rotating, makes adjustment hole department sealed, avoids rivers to ooze from adjusting screw.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

fig. 3 is a cross-sectional view of a connection device according to the present invention;

fig. 4 is an exploded view of the connecting device of the present invention;

FIG. 5 is a schematic structural view of the lining assembly of the present invention;

fig. 6 is a schematic structural view of the middle adjusting screw of the present invention.

In the figure: 1. bending the pipe; 11. an inner liner layer; 12. a threaded segment; 2. a connecting device; 21. a fixing ring; 211. fixing grooves; 22. a connector; 221. a movable ring; 3. a liner assembly; 31. a bushing; 311. an adjustment port; 32. adjusting the screw rod; 321. a conical screw; 322. rotating the rod; 33. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a connection structure of inside lining stainless steel pipe fitting elbow, includes elbow 1, elbow 1 all is equipped with open-ended hollow structure for both ends, and elbow 1's inside is equipped with inner liner 11, and inner liner 11 and elbow 1 welding, elbow 1's both ends all are equipped with connecting device 2, install inside lining subassembly 3 on the connecting device 2.

It needs to be supplemented that, connecting device 2 includes solid fixed ring 21, both ends all are equipped with fixed slot 211 about solid fixed ring 21, gu fixed ring 21's the left and right sides all is equipped with connector 22, one side that just is close to solid fixed ring 21 on connector 22 is equipped with activity ring 221, activity ring 221 is corresponding with fixed slot 211, activity ring 221 rotates with fixed slot 211 and is connected, make connector 22 can free rotation on solid fixed ring 21, avoid connector 22 to drive connecting device 2 and rotate wholly, make things convenient for connector 22 to be connected with elbow 1's screw thread section 12.

Preferably, the elbow 1 is provided with a threaded section 12 on the outer wall thereof and near both ends thereof, the inner wall of the connector 22 is provided with threads on the side thereof away from the fixing ring 21, and the connector 22 is in threaded connection with the threaded section 12, so that the connecting device 2 can be connected with the elbow 1.

Preferably, a rubber ring is arranged inside the connector 22 and between the connector 22 and the elbow 1, the rubber ring is sleeved with the connector 22, and the rubber ring plays a role in sealing and can prevent water seepage at the joint of the connector 22 and the elbow 1.

As the preferred of this embodiment, inside lining subassembly 3 includes bush 31, bush 31 is located the inside of solid fixed ring 21, the top of bush 31 is equipped with regulation mouth 311, can make bush 31 expand through extrusion regulation mouth 311, make bush 31 and liner 11 laminate, conveniently reduce water impact, the top of bush 31 just is close to regulation mouth 311 department and is equipped with adjusting screw 32, adjusting screw 32 runs through solid fixed ring 21, and with solid fixed ring 21 threaded connection, can adjust regulation mouth 311 through adjusting screw 32, conveniently make bush 31 expand.

It is worth to be noted that the bottom of the adjusting screw 32 is provided with a conical screw 321, the conical screw 321 and the adjusting screw 32 are integrally formed, the conical screw 321 penetrates through the adjusting opening 311 and is in threaded connection with the adjusting opening 311, the top of the adjusting screw 32 is welded with a rotating rod 322, the rotating rod 322 is rotated to drive the adjusting screw 32 to rotate, the conical screw 321 can move upwards, the conical screw 321 extrudes the adjusting opening 311, and therefore the bushing 31 is expanded, and the connecting device 2 is protected conveniently.

In the present embodiment, a packing 33 is preferably provided in the tapered screw 321 and inside the bushing 31, the packing 33 is bonded to the bushing 31, and the packing 33 seals the adjustment opening 311 to prevent water from leaking out of the adjustment screw 32.

The utility model discloses a connection structure of inside lining stainless steel pipe fitting elbow when using, remove connecting device 2, put into connector 22 with the rubber circle, make connector 22 contact with screw thread section 12 on the elbow 1, rotate connector 22, activity ring 221 rotates on fixed slot 211, prevent fixed ring 21 from rotating, connector 22 and screw thread section 12 threaded connection, fix connector 22 on elbow 1, the rubber circle makes connector 22 sealed, bush 31 is located the inboard of inner liner 11, it rotates adjusting screw 32 to drive to rotate dwang 322, adjusting screw 32 moves with fixed ring 21, make adjusting screw 32 drive conical screw 321 to move upwards, conical screw 321 extrudes regulation mouth 311, make bush 31 expand, the outer wall of bush 31 and the inner wall laminating of inner liner 11, prevent that rivers from causing the impact to connecting device 2, prolong connecting device 2's life, conical screw 321 drives sealed 33 of filling up and upwards removes, makes regulation mouth 311 sealed, prevents that rivers from oozing, can realize protecting the connection structure of elbow through above-mentioned mode, prolongs connection structure's life, satisfies the connection structure's of inside lining stainless steel pipe fitting elbow demand.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a connection structure of inside lining stainless steel pipe fitting elbow, includes elbow (1), its characterized in that: elbow (1) all is equipped with open-ended hollow structure for both ends, the inside of elbow (1) is equipped with inner liner (11), inner liner (11) and elbow (1) welding, the both ends of elbow (1) all are equipped with connecting device (2), install inside lining subassembly (3) on connecting device (2).

2. The joint structure of the elbow of lined stainless steel pipes according to claim 1, wherein: connecting device (2) are including solid fixed ring (21), both ends all are equipped with fixed slot (211) about solid fixed ring (21), the left and right sides of solid fixed ring (21) all is equipped with connector (22), one side that just is close to solid fixed ring (21) on connector (22) is equipped with activity ring (221), activity ring (221) are corresponding with fixed slot (211), activity ring (221) rotate with fixed slot (211) and are connected.

3. The joint structure of the elbow of lined stainless steel pipes according to claim 2, wherein: all be equipped with screw thread section (12) on the outer wall of elbow (1) and near both ends department, just keep away from one side of solid fixed ring (21) on the inner wall of connector (22) and be equipped with the screw thread, connector (22) and screw thread section (12) threaded connection.

4. The joint structure of an elbow of a lined stainless steel pipe fitting of claim 3, wherein: the inside of connector (22) just is located and is equipped with the rubber circle between connector (22) and elbow (1), the rubber circle cup joints with connector (22).

5. The joint structure of the elbow of lined stainless steel pipes according to claim 1, wherein: liner subassembly (3) include bush (31), bush (31) are located the inside of solid fixed ring (21), the top of bush (31) is equipped with regulation mouth (311), the top of bush (31) just is close to regulation mouth (311) department and is equipped with adjusting screw (32), adjusting screw (32) run through solid fixed ring (21), and with solid fixed ring (21) threaded connection.

6. The joint structure of an elbow of a lined stainless steel pipe fitting of claim 5, wherein: the bottom of adjusting screw (32) is equipped with conical screw (321), conical screw (321) and adjusting screw (32) integrated into one piece, conical screw (321) run through regulation mouth (311), and with regulation mouth (311) threaded connection, the top welding of adjusting screw (32) has dwang (322).

7. The joint structure of an elbow of a lined stainless steel pipe fitting of claim 6, wherein: and a sealing gasket (33) is arranged on the conical screw rod (321) and positioned in the bushing (31), and the sealing gasket (33) is in bonding fit with the bushing (31).