CN211875398U - Unconstrained expansion joint - Google Patents

Unconstrained expansion joint Download PDF

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Publication number
CN211875398U
CN211875398U CN202020056654.7U CN202020056654U CN211875398U CN 211875398 U CN211875398 U CN 211875398U CN 202020056654 U CN202020056654 U CN 202020056654U CN 211875398 U CN211875398 U CN 211875398U
Authority
CN
China
Prior art keywords
expansion joint
takeover
honeycomb duct
baffle
screw rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020056654.7U
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Chinese (zh)
Inventor
姜爱荣
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Jiangsu Changfeng Bellows Co ltd
Original Assignee
Jiangsu Changfeng Bellows Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Changfeng Bellows Co ltd filed Critical Jiangsu Changfeng Bellows Co ltd
Priority to CN202020056654.7U priority Critical patent/CN211875398U/en
Application granted granted Critical
Publication of CN211875398U publication Critical patent/CN211875398U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a there is not restricted type expansion joint relates to expansion joint technical field, and is fixed for solving current expansion joint interface, and unable nimble conversion interface leads to the higher problem of replacement cost. The top of expansion joint honeycomb duct one end is provided with first left takeover, and first left takeover and expansion joint honeycomb duct fixed connection, the below that first left was taken over is provided with the left takeover of second, and the left takeover of second and expansion joint honeycomb duct threaded connection, the other end of expansion joint honeycomb duct is provided with first right takeover, and first right takeover and expansion joint honeycomb duct fixed connection, the below that first right was taken over is provided with the right takeover of second, and the right takeover of second expansion joint honeycomb duct threaded connection. The lower end face of the first left connecting pipe is provided with a first left thread, the lower end face of the second left connecting pipe is provided with a second left thread, a first screw rod is arranged above the first left connecting pipe, and the first screw rod is provided with a plurality of screw rods.

Description

Unconstrained expansion joint
Technical Field
The utility model relates to an expansion joint technical field specifically is a no-restriction type expansion joint.
Background
An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage. The expansion joint has many kinds, and the common structures include wave, ring plate welding, clamping shell type and the like, wherein the wave expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions. Expansion joints are also conventionally called compensators, or expansion joints. It is composed of bellows (an elastic element) and its working body, end pipe, support, flange and guide pipe. The expansion joint is a flexible structure provided on the vessel shell or pipe in order to compensate for additional stresses due to temperature differences and mechanical vibrations.
However, the existing expansion joint has fixed interfaces, and the interfaces cannot be flexibly converted, so that the replacement cost is high; thus, the existing requirements are not met, and a unconstrained expansion joint has been proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a there is not restricted type expansion joint to the current expansion joint interface that proposes in solving above-mentioned background art is fixed, and unable nimble conversion interface leads to the higher problem of replacement cost.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a there is not restricted type expansion joint, includes the expansion joint honeycomb duct, the top of expansion joint honeycomb duct one end is provided with first left takeover, and first left takeover and expansion joint honeycomb duct fixed connection, the below of first left takeover is provided with the second and takes over on a left side, and the second is taken over on a left side and expansion joint honeycomb duct threaded connection, the other end of expansion joint honeycomb duct is provided with first right takeover, and first right takeover and expansion joint honeycomb duct fixed connection, the below of first right takeover is provided with the second and takes over on the right side, and the expansion joint honeycomb duct threaded connection is taken over on the second right side.
Preferably, the bellows is arranged above the expansion joint guide pipe and fixedly connected with the expansion joint guide pipe, and the protective pipe is arranged above the bellows and fixedly connected with the expansion joint guide pipe.
Preferably, the lower terminal surface of first left takeover is provided with first left hand thread, the lower terminal surface of second left takeover is provided with second left hand thread, the top of first left takeover is provided with first screw rod, and first screw rod is provided with a plurality of, first screw rod and first left takeover, the equal threaded connection of second left takeover.
Preferably, the lower terminal surface of first right takeover is provided with first right screw thread, the lower terminal surface of second right takeover is provided with second right screw thread, the top of first right takeover is provided with the second screw rod, and the second screw rod is provided with a plurality of, the second screw rod and first right takeover, the equal threaded connection of second right takeover.
Preferably, the one end of expansion joint honeycomb duct is provided with left baffle, and left baffle and expansion joint honeycomb duct fixed connection, equal threaded connection is taken over on a left side baffle and the first left side of taking over, the second, one side of left baffle is provided with first fixed mouthful, and first fixed mouthful and expansion joint honeycomb duct fixed connection.
Preferably, the one end of expansion joint honeycomb duct is provided with right baffle, and right baffle and expansion joint honeycomb duct fixed connection, equal threaded connection is taken over on right baffle and the first right side, the second right side, one side of right baffle is provided with the fixed mouth of second, and the fixed mouth of second and expansion joint honeycomb duct fixed connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a setting is taken over in the first left side of expansion joint honeycomb duct both sides, is taken over in the second left side, is taken over in the first right side and is taken over in the second right side and can connect not unidimensional pipeline, can make this neotype application space more extensive like this, reduces the expense and the time of maintaining to the expansion joint of different diameters simultaneously.
2. Through being provided with the baffle, can make this novel when connecting the pipeline of different diameters, can not make liquid can't get into the expansion joint honeycomb duct because pipeline diameter is too big to lead to this novel this kind of problem of damaging, through setting up a plurality of screw rods, can make this novel connection more stable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic side view of the present invention;
in the figure: 1. an expansion joint guide pipe; 2. a bellows; 3. a protective tube; 4. a first left adapter tube; 5. a second left adapter tube; 6. a first left-hand thread; 7. a second left-hand thread; 8. a first screw; 9. a first fixed port; 10. a second screw; 11. a first right adapter tube; 12. a second right adapter tube; 13. a first right thread; 14. a second right thread; 15. a second fixed port; 16. a right baffle; 17. and a left baffle.
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.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a there is not restricted type expansion joint, including expansion joint honeycomb duct 1, the top of 1 one end of expansion joint honeycomb duct is provided with first left takeover 4, and first left takeover 4 and expansion joint honeycomb duct 1 fixed connection, the below of 4 is taken over in first left side is provided with the left takeover 5 of second, and the left takeover 5 of second and expansion joint honeycomb duct 1 threaded connection, the other end of expansion joint honeycomb duct 1 is provided with first right takeover 11, and first right takeover 11 and expansion joint honeycomb duct 1 fixed connection, the below of 11 is taken over in first right side is provided with the right takeover 12 of second, and the right takeover 12 of expansion joint honeycomb duct 1 threaded connection of second, first left takeover 4, the left takeover 5 of second, the setting of first right takeover 11 and the right takeover 12 of second can make this neotype range of application more extensive.
Further, the top of expansion joint honeycomb duct 1 is provided with bellows 2, and bellows 2 and expansion joint honeycomb duct 1 fixed connection, and the top of bellows 2 is provided with protecting tube 3, and protecting tube 3 and expansion joint honeycomb duct 1 fixed connection, and the setting of protecting tube 3 can make this neotype main part obtain certain protection.
Further, the lower terminal surface of first left takeover 4 is provided with first left hand thread 6, the lower terminal surface of second left takeover 5 is provided with second left hand thread 7, the top of first left takeover 4 is provided with first screw rod 8, and first screw rod 8 is provided with a plurality of, first screw rod 8 and first left takeover 4, the equal threaded connection of second left takeover 5, first screw rod 8's setting can make first left takeover 4, the connection of second left takeover 5 and expansion joint honeycomb duct 1 more firm.
Further, the lower end face of the first right connecting pipe 11 is provided with a first right thread 13, the lower end face of the second right connecting pipe 12 is provided with a second right thread 14, a second screw 10 is arranged above the first right connecting pipe 11, the second screw 10 is provided with a plurality of parts, the second screw 10 is in threaded connection with the first right connecting pipe 11 and the second right connecting pipe 12, and the first right connecting pipe 11, the second right connecting pipe 12 and the expansion joint guide pipe 1 can be connected more firmly due to the arrangement of the second screw 10.
Further, expansion joint honeycomb duct 1's one end is provided with left baffle 17, and left baffle 17 and expansion joint honeycomb duct 1 fixed connection, and left baffle 17 and first left side are taken over 4, the equal threaded connection of 5 is taken over to the second left side, and one side of left baffle 17 is provided with first fixed mouthful 9, and first fixed mouthful 9 and expansion joint honeycomb duct 1 fixed connection, and left baffle 17's setting can be so that this novel can not the overflow when using.
Further, expansion joint honeycomb duct 1's one end is provided with right baffle 16, and right baffle 16 and expansion joint honeycomb duct 1 fixed connection, and the equal threaded connection of 12 is taken over on the right side to 11 second is taken over on right baffle 16 and the first right side, and one side of right baffle 16 is provided with the fixed mouthful 15 of second, and the fixed mouthful 15 of second and expansion joint honeycomb duct 1 fixed connection, and right baffle 16's setting can be so that this is novel can not the overflow when using.
The working principle is as follows: when the expansion joint guide pipe is used, the first left connecting pipe 4 or the second left connecting pipe 5 is connected with a pipeline which needs to be connected, the first right connecting pipe 11 or the second right connecting pipe 12 is connected with another pipeline which needs to be connected, the expansion joint guide pipe 1 is connected with the first left connecting pipe 4 or the second left connecting pipe 5, the first right connecting pipe 11 or the second right connecting pipe 12, and then the first screw 8 and the second screw 10 are respectively screwed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a there is not restricted type expansion joint, includes expansion joint honeycomb duct (1), its characterized in that: the top of expansion joint honeycomb duct (1) one end is provided with first left takeover (4), and first left takeover (4) and expansion joint honeycomb duct (1) fixed connection, the below of first left takeover (4) is provided with the left takeover of second (5), and the left takeover of second (5) and expansion joint honeycomb duct (1) threaded connection, the other end of expansion joint honeycomb duct (1) is provided with first right takeover (11), and first right takeover (11) and expansion joint honeycomb duct (1) fixed connection, the below of first right takeover (11) is provided with the right takeover of second (12), and the expansion joint honeycomb duct (1) threaded connection of second right takeover (12).
2. A unconstrained expansion joint according to claim 1, wherein: bellows (2) are arranged above the expansion joint guide pipe (1), the bellows (2) are fixedly connected with the expansion joint guide pipe (1), a protective pipe (3) is arranged above the bellows (2), and the protective pipe (3) is fixedly connected with the expansion joint guide pipe (1).
3. A unconstrained expansion joint according to claim 1, wherein: the lower terminal surface of first left side takeover (4) is provided with first left hand thread (6), the lower terminal surface of second left side takeover (5) is provided with second left hand thread (7), the top of first left side takeover (4) is provided with first screw rod (8), and first screw rod (8) are provided with a plurality of, first screw rod (8) and first left side takeover (4), the equal threaded connection of second left side takeover (5).
4. A unconstrained expansion joint according to claim 1, wherein: the lower terminal surface of first right takeover (11) is provided with first right screw thread (13), the lower terminal surface of second right takeover (12) is provided with second right screw thread (14), the top of first right takeover (11) is provided with second screw rod (10), and second screw rod (10) is provided with a plurality of, the equal threaded connection of second screw rod (10) and first right takeover (11), second right takeover (12).
5. A unconstrained expansion joint according to claim 1, wherein: one end of the expansion joint guide pipe (1) is provided with a left baffle (17), the left baffle (17) is fixedly connected with the expansion joint guide pipe (1), the left baffle (17) is connected with a first left pipe (4) and a second left pipe (5) in a threaded manner, one side of the left baffle (17) is provided with a first fixed opening (9), and the first fixed opening (9) is fixedly connected with the expansion joint guide pipe (1).
6. A unconstrained expansion joint according to claim 1, wherein: one end of the expansion joint guide pipe (1) is provided with a right baffle (16), the right baffle (16) is fixedly connected with the expansion joint guide pipe (1), the right baffle (16) is connected with a first right pipe (11) and a second right pipe (12) in a threaded connection mode, one side of the right baffle (16) is provided with a second fixing port (15), and the second fixing port (15) is fixedly connected with the expansion joint guide pipe (1).
CN202020056654.7U 2020-01-13 2020-01-13 Unconstrained expansion joint Expired - Fee Related CN211875398U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020056654.7U CN211875398U (en) 2020-01-13 2020-01-13 Unconstrained expansion joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020056654.7U CN211875398U (en) 2020-01-13 2020-01-13 Unconstrained expansion joint

Publications (1)

Publication Number Publication Date
CN211875398U true CN211875398U (en) 2020-11-06

Family

ID=73261589

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020056654.7U Expired - Fee Related CN211875398U (en) 2020-01-13 2020-01-13 Unconstrained expansion joint

Country Status (1)

Country Link
CN (1) CN211875398U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201106

CF01 Termination of patent right due to non-payment of annual fee