CN212273291U - Lining type anti-corrosion pipe fitting - Google Patents
Lining type anti-corrosion pipe fitting Download PDFInfo
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- CN212273291U CN212273291U CN202020840927.7U CN202020840927U CN212273291U CN 212273291 U CN212273291 U CN 212273291U CN 202020840927 U CN202020840927 U CN 202020840927U CN 212273291 U CN212273291 U CN 212273291U
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- pipe body
- clamping
- clamping strip
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Abstract
The utility model discloses a lining type anti-corrosion pipe fitting, which comprises an outer pipe body, an inner pipe body, a connecting layer, a clamping strip body, a clamping groove, a boss, a first sealing ring, a clamping hole, an inner taper hole, an outer taper surface, a side sealing gasket, a second sealing ring, a fixing screw and the like; the clamping strip body and the clamping groove are arranged in the utility model, thereby ensuring the reliability and stability of the connection between the outer pipe body and the inner pipe body and avoiding the phenomenon of separation inside and outside; the middle clamping strip body is provided with the threaded holes in the end faces at the two sides, so that the two end cover ring bodies are firmly fixed at the end parts at the two sides of the outer pipe body and the inner pipe body respectively through the locking screws, and the sealing effect of the end parts at the two sides of the outer pipe body and the inner pipe body can be improved by matching the sealing ring I and the sealing ring II; the utility model discloses well adapter sleeve outside is provided with fixed screw to make things convenient for the connection of this pipe fitting to use, be provided with the side seal pad in addition between adapter sleeve medial surface and the interior body terminal surface, thereby ensure the sealed effect of adapter sleeve and interior body coupling department.
Description
Technical Field
The utility model relates to the technical field of tubular product, specific anticorrosive pipe fitting of interior bushing type that says so.
Background
The double-layer pipe is special in structure, and the inner wall of the double-layer pipe is usually stainless steel and the outer wall of the double-layer pipe is made of materials such as cast iron, so that the double-layer pipe not only meets the corrosion resistance, but also can meet certain mechanical properties; because the outer wall is generally made of cast iron materials with poor corrosion resistance and excellent mechanical properties, the corrosion resistance is poor, and for a connecting pipe fitting of the double-layer pipe, double sealing of the inner wall and the outer wall needs to be realized, and meanwhile, the isolation of the end part area of the double-layer pipe needs to be met, so that the corrosion of the outer wall caused by the overflow of liquid and gas is reduced, and the structural strength of the pipe is influenced; the connecting effect of the inner wall and outer wall pipe fittings of the existing lining type anti-corrosion pipe fittings is poor, and the sealing performance is also poor.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing an anticorrosive pipe fitting of interior bushing type, the connection effect of the inner wall outer wall pipe fitting of having solved the anticorrosive pipe fitting of current interior bushing type is relatively poor, and the leakproofness is also relatively poor problem in addition.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the invention discloses a lining type anti-corrosion pipe fitting which is innovative and characterized by comprising an outer pipe body, an inner pipe body, a connecting layer, a clamping strip body, a clamping groove, a boss, a first sealing ring, a clamping hole, an end cover ring body, a threaded hole, a guide groove, a locking screw, a stepped hole, a connecting sleeve, a fixing screw, an inner hole, an inner taper hole, an outer taper surface, a side sealing gasket, a second sealing ring and a fixing screw; the clamping grooves are arranged in a circular shape in the inner wall of the outer tube body; the clamping strip bodies are multiple, the outer sides of the clamping strip bodies are respectively positioned in corresponding clamping grooves, the inner sides of the clamping strip bodies are fixedly connected to the outer circular surface of the inner pipe body, and threaded holes are formed in the end surfaces of two sides of the clamping strip bodies; the connecting layers are arranged between the outer part of the inner pipe body and the inner wall of the outer pipe body and between the inner wall of the clamping groove and the outer part of the clamping strip body; bosses are arranged at the end parts of the two sides of the outer pipe body; inner taper holes are formed in openings at two sides of the inner pipe body; the number of the end cover ring bodies is two, clamping holes are formed in openings at the inner sides of the two end cover ring bodies, and first sealing rings are arranged between the clamping holes and the outer circular surfaces of the corresponding bosses; the guide grooves are respectively positioned at the outer sides of the end parts of the corresponding clamping strip bodies and are respectively arranged in the corresponding positions at the inner sides of the end cover ring bodies; the plurality of stepped holes are respectively arranged in the right sides of the corresponding guide grooves; the locking screws are arranged in the corresponding stepped holes respectively, and external threads on the inner sides of the locking screws are connected with the corresponding threaded holes respectively; the inner sides of the two connecting sleeves are fixedly connected to the outer parts of the corresponding end cover ring bodies through a plurality of fixing screws, inner holes are formed in the two connecting sleeves, fixing threads are arranged on the outer sides of the two connecting sleeves, outer conical surfaces are arranged on the outer sides of the inner sides of the two connecting sleeves, and the outer conical surfaces are connected with the corresponding inner conical holes respectively; the side sealing gasket is arranged between the inner side surface of the connecting sleeve and the end surface of the inner pipe body; and the second sealing ring is arranged between the outer part of the inner pipe body and the inner wall of the end cover ring body.
Preferably, the section of the clamping strip body is T-shaped and matched with the inside of the clamping groove.
Preferably, the inner tube is a stainless steel tube.
Preferably, the inside of the guide groove is matched with the outside of the card strip body.
Preferably, the bore diameter of the inner bore is equal to the bore diameter of the inner tube.
The utility model has the advantages that:
(1) the utility model discloses in the card strip body and the draw-in groove that set up to the reliability and the stability of having ensured outer body and interior body coupling and avoided appearing the phenomenon of inside and outside separation.
(2) The utility model discloses all be provided with the screw hole in the well bayonet socket body both sides terminal surface to be convenient for firmly fix the both sides tip at outer body and interior body respectively with two end cover ring bodies through locking screw, cooperate sealing washer one and sealing washer two simultaneously and can improve the sealed effect of outer body and interior body both sides tip.
(3) The utility model discloses well adapter sleeve outside is provided with fixed screw to make things convenient for the connection of this pipe fitting to use, be provided with the side seal pad in addition between adapter sleeve medial surface and the interior body terminal surface, thereby ensured the sealed effect of adapter sleeve and interior body coupling department.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is another schematic structural diagram of the present invention.
In the figure: 1-an outer body; 2-an inner tube; 3-a tie layer; 4-a card strip body; 5-a clamping groove; 6-boss; 7-sealing ring I; 8-clamping holes; 9-end cap ring body; 10-a threaded hole; 11-a guide groove; 12-a locking screw; 13-a stepped bore; 14-connecting sleeves; 15-fixed screw thread; 16-inner hole; 17-inner taper hole; 18-external conical surface; 19-side gasket; 20-sealing ring II; 21-set screw.
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.
As shown in fig. 1-2, a lining type anti-corrosion pipe fitting comprises an outer pipe body 1, an inner pipe body 2, a connecting layer 3, a clamping strip body 4, a clamping groove 5, a boss 6, a first sealing ring 7, a clamping hole 8, an end cover ring body 9, a threaded hole 10, a guide groove 11, a locking screw 12, a stepped hole 13, a connecting sleeve 14, a fixing thread 15, an inner hole 16, an inner taper hole 17, an outer taper surface 18, a side sealing gasket 19, a second sealing ring 20 and a fixing screw 21; the clamping grooves 5 are arranged in a circular shape in the inner wall of the outer tube body 1; the number of the clamping strip bodies 4 is multiple, the outer sides of the clamping strip bodies 4 are respectively positioned in corresponding clamping grooves 5, the inner sides of the clamping strip bodies 4 are fixedly connected to the outer circular surface of the inner pipe body 2, and threaded holes 10 are formed in the end surfaces of two sides of the clamping strip bodies 4; the connecting layer 3 is arranged between the outer part of the inner pipe body 2 and the inner wall of the outer pipe body 1 and between the inner wall of the clamping groove 5 and the outer part of the clamping strip body 4; bosses 6 are arranged at the end parts of the two sides of the outer pipe body 1; inner taper holes 17 are formed in openings at two sides of the inner pipe body 2; the number of the end cover ring bodies 9 is two, clamping holes 8 are formed in openings at the inner sides of the two end cover ring bodies 9, and first sealing rings 7 are arranged between the clamping holes 8 and the outer circular surfaces of the corresponding bosses 6; the guide grooves 11 are a plurality of, and the guide grooves 11 are respectively positioned at the outer sides of the end parts of the corresponding clamping strip bodies 4 and are respectively arranged at the corresponding positions at the inner sides of the end cover ring bodies 9; the number of the stepped holes 13 is several, and the several stepped holes 13 are respectively arranged in the right sides of the corresponding guide grooves 11; the number of the locking screws 12 is several, the locking screws 12 are respectively positioned in the corresponding stepped holes 13, and the external threads on the inner sides of the locking screws 12 are respectively connected with the corresponding threaded holes 10; the number of the connecting sleeves 14 is two, the inner sides of the two connecting sleeves 14 are fixedly connected to the outer parts of the corresponding end cover ring bodies 9 through a plurality of fixing screws 21, inner holes 16 are formed in the two connecting sleeves 14, fixing threads 15 are formed in the outer parts of the outer sides of the two connecting sleeves 14, outer conical surfaces 18 are formed in the outer parts of the inner sides of the two connecting sleeves 14, and the outer conical surfaces 18 are connected with the corresponding inner conical holes 17 respectively; the side sealing gasket 19 is arranged between the inner side surface of the connecting sleeve 14 and the end surface of the inner pipe body 2; the second sealing ring 20 is arranged between the outer part of the inner pipe body 2 and the inner wall of the end cover ring body 9.
The section of the clamping strip body 4 is in a T shape and is matched with the inside of the clamping groove 5; the inner pipe body 2 is a stainless steel pipe; the inner part of the guide groove 11 is matched with the outer part of the clamping strip body 4; the bore 16 has a bore diameter equal to the bore diameter of the inner tube 2.
The utility model discloses an in service behavior does, the card strip body 4 and the draw-in groove 5 that set up here, thereby the reliability and the stability of outer body 1 and interior body 2 connection have been ensured and the phenomenon of interior external separation has been avoided appearing, all be provided with screw hole 10 in the 4 side end faces of card strip body in addition, thereby be convenient for firmly fix two end cover ring bodies 9 respectively at the both sides tip of outer body 1 and interior body 2 through locking screw 12, cooperation sealing washer one 7 and sealing washer two 20 can improve the sealed effect of outer body 1 and interior body 2 both sides tip simultaneously, be provided with fixed thread 15 in the 14 outside of adapter sleeve in addition, thereby make things convenient for the connection of this pipe fitting to use, be provided with side seal pad 19 between 14 medial surfaces of adapter sleeve and the interior body 2 terminal surface in addition, thereby the sealed effect of adapter sleeve 14 with interior body 2 junction has been.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and 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.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, which are only illustrative, but also various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.
Claims (5)
1. A lining type anti-corrosion pipe fitting is characterized by comprising an outer pipe body (1), an inner pipe body (2), a connecting layer (3), a clamping strip body (4), a clamping groove (5), a boss (6), a first sealing ring (7), a clamping hole (8), an end cover ring body (9), a threaded hole (10), a guide groove (11), a locking screw (12), a stepped hole (13), a connecting sleeve (14), a fixed thread (15), an inner hole (16), an inner tapered hole (17), an outer tapered surface (18), a side sealing gasket (19), a second sealing ring (20) and a fixed screw (21);
the clamping grooves (5) are arranged in a circular manner in the inner wall of the outer tube body (1);
the clamping strip bodies (4) are multiple, the outer sides of the clamping strip bodies (4) are respectively positioned in corresponding clamping grooves (5), the inner sides of the clamping strip bodies (4) are fixedly connected to the outer circular surface of the inner pipe body (2), and threaded holes (10) are formed in the end surfaces of the two sides of the clamping strip bodies (4);
the connecting layer (3) is arranged between the outer part of the inner pipe body (2) and the inner wall of the outer pipe body (1) and between the inner wall of the clamping groove (5) and the outer part of the clamping strip body (4);
bosses (6) are arranged at the end parts of the two sides of the outer pipe body (1);
inner taper holes (17) are formed in openings at two sides of the inner pipe body (2);
the number of the end cover ring bodies (9) is two, clamping holes (8) are formed in openings at the inner sides of the two end cover ring bodies (9), and first sealing rings (7) are arranged between the clamping holes (8) and the outer circular surfaces of the corresponding bosses (6);
the guide grooves (11) are multiple, and the guide grooves (11) are respectively positioned at the outer sides of the end parts of the corresponding clamping strip bodies (4) and are respectively arranged in the corresponding positions at the inner sides of the end cover ring bodies (9);
the plurality of stepped holes (13) are respectively arranged in the right sides of the corresponding guide grooves (11);
the number of the locking screws (12) is multiple, the locking screws (12) are respectively positioned in the corresponding stepped holes (13), and external threads on the inner sides of the locking screws (12) are respectively connected with the corresponding threaded holes (10);
the two connecting sleeves (14) are fixedly connected to the outer parts of the corresponding end cover ring bodies (9) through a plurality of fixing screws (21), inner holes (16) are formed in the two connecting sleeves (14), fixing threads (15) are arranged on the outer parts of the outer sides of the two connecting sleeves (14), outer conical surfaces (18) are arranged on the outer parts of the inner sides of the two connecting sleeves (14), and the outer conical surfaces (18) are connected with corresponding inner conical holes (17) respectively;
the side sealing gasket (19) is arranged between the inner side surface of the connecting sleeve (14) and the end surface of the inner pipe body (2);
and the second sealing ring (20) is arranged between the outer part of the inner pipe body (2) and the inner wall of the end cover ring body (9).
2. The corrosion-resistant pipe fitting with a lining as claimed in claim 1, wherein the cross section of the clamping strip body (4) is T-shaped and is matched with the inside of the clamping groove (5).
3. A corrosion resistant pipe lining as claimed in claim 1, wherein said inner pipe body (2) is a stainless steel pipe.
4. A corrosion-resistant pipe fitting as claimed in claim 1, wherein the inside of said guiding groove (11) matches with the outside of said clamping strip body (4).
5. A corrosion-resistant pipe lining according to claim 1, characterized in that the bore diameter of the inner bore (16) is equal to the bore diameter of the inner pipe body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840927.7U CN212273291U (en) | 2020-05-19 | 2020-05-19 | Lining type anti-corrosion pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840927.7U CN212273291U (en) | 2020-05-19 | 2020-05-19 | Lining type anti-corrosion pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212273291U true CN212273291U (en) | 2021-01-01 |
Family
ID=73878259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020840927.7U Expired - Fee Related CN212273291U (en) | 2020-05-19 | 2020-05-19 | Lining type anti-corrosion pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212273291U (en) |
-
2020
- 2020-05-19 CN CN202020840927.7U patent/CN212273291U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |