CN220891428U

CN220891428U - Expansion joint easy to install

Info

Publication number: CN220891428U
Application number: CN202322971343.XU
Authority: CN
Inventors: 邵军; 尹章; 邵逸荣; 刘子豪
Original assignee: Chengdu Shennong Pipeline Equipment Co ltd
Current assignee: Chengdu Shennong Pipeline Equipment Co ltd
Priority date: 2023-11-03
Filing date: 2023-11-03
Publication date: 2024-05-03
Anticipated expiration: 2033-11-03

Abstract

The utility model belongs to the technical field of expansion joints, and discloses an expansion joint easy to install, which comprises a corrugated pipe, wherein connecting rings are fixed at two ends of the corrugated pipe, end pipes are arranged at two ends of the corrugated pipe, a switching sleeve is arranged between the end pipes and the connecting rings, an installation component used for fixing the expansion joint is arranged at one end of each end pipe, a stabilizing component used for stabilizing the expansion joint is arranged on the surface of each corrugated pipe, the end pipes and the corrugated pipe are fixedly connected in advance before the expansion joint is installed, then when the expansion joint is installed with an external pipeline, the expansion joint can be quickly connected with the external pipeline by adjusting the installation component, the stabilizing component can stably position and support the expansion joint after the installation, serious deformation of the expansion joint after the expansion joint is used for a long time is avoided, the expansion joint can be quickly installed, and the service life of the expansion joint is prolonged.

Description

Expansion joint easy to install

Technical Field

The utility model relates to the technical field of expansion joints, in particular to an expansion joint easy to install.

Background

Expansion joints are also conventionally known as compensators, or telescopic joints. The device consists of a corrugated pipe (an elastic element) which forms a working main body of the device, and accessories such as an end pipe, a bracket, a flange, a conduit and the like. Expansion joints are a flexible structure provided on the vessel shell or pipe in order to compensate for additional stresses caused by temperature differences and mechanical vibrations. The effective expansion and contraction deformation of the corrugated pipe of the working main body is utilized to absorb the dimensional changes of pipelines, ducts, containers and the like caused by expansion due to heat, contraction due to cold and the like, or compensate the axial, transverse and angular displacement of the pipelines, ducts, containers and the like. And can also be used for noise reduction and vibration reduction.

The utility model discloses a simple expansion joint, which comprises an expansion joint main body I, an expansion joint main body II, a screw rod component and a special sealing ring, wherein the right end face of a connecting shaft I at the right end of the expansion joint main body I provided with a through hole I is provided with an inner groove I, the left end face of a connecting shaft II at the left end of the expansion joint main body II provided with a through hole II in the middle is provided with an inner groove II, two ends of a middle sealing gasket of the special sealing ring are respectively provided with an embedded sealing ring, when the simple expansion joint is assembled, the embedded sealing ring at one end is installed in the inner groove I, the embedded sealing ring at the other end is installed in the inner groove II, and the screw rod of the screw rod component penetrates into a flange hole I in sequence, and the other end is locked by a nut.

In the course of implementing the present application, this technique has been found to have the following problems: when the expansion joint is installed, a large number of bolts and nuts are needed to connect the flange at one end of the expansion joint with an external pipeline, a large amount of time is needed to be consumed, and the expansion joint is inconvenient to install quickly.

For this purpose, an expansion joint is proposed which is easy to install.

Disclosure of utility model

The utility model aims at: the utility model provides an expansion joint which is easy to install, and aims to solve the problem that a large amount of time is required to be consumed by connecting a flange at one end of the expansion joint with an external pipeline through a large number of bolts and nuts.

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides an expansion joint of easily installing, includes the bellows, the both ends of bellows are fixed with the go-between, the both ends of bellows are equipped with the end pipe, be equipped with the adapter sleeve between end pipe and the go-between, the one end of end pipe is equipped with the installation component that is used for the expansion joint to be fixed, the surface of bellows is equipped with the stable subassembly that is used for the expansion joint to use steadily.

Further, the installation component includes the collar, be equipped with the adjusting ring in the collar, and adjusting ring and collar swing joint, the intra-annular array of collar is fixed with the guide frame, be equipped with the grip block in the guide frame, and the grip block runs through the inboard of collar, and grip block and guide frame sliding connection.

Further, the fixed surface of grip block has the movable column, the arc wall has been seted up to the surface array of adjusting ring, and movable column and arc wall swing joint, the side of adjusting ring is equipped with the gear strip, the surface of installing ring is equipped with the screw thread post, and screw thread post and installing ring threaded connection, the one end of screw thread post is fixed with adjusting gear, and adjusting gear and gear strip intermeshing, the regulation hole has been seted up to the one end of screw thread post.

Further, the surface array of adapter sleeve is fixed with the fixed block, stable subassembly includes the threaded rod, and the threaded rod runs through the fixed block, and the both sides of fixed block are equipped with the spacing ring respectively, and spacing ring and threaded rod swing joint, be equipped with buffer spring between spacing ring and the fixed block, the surface of threaded rod is equipped with adjusting nut, and adjusting nut and threaded rod threaded connection.

Further, the side array of installation component is equipped with connecting bolt, and connecting bolt runs through installation component, end pipe, adapter sleeve and go-between respectively, connecting bolt's one end is equipped with coupling nut, and coupling nut and connecting bolt threaded connection.

Further, one end of the end pipe is provided with a butt joint ring, the butt joint ring is formed by thermoplastic rubber, the other end of the end pipe is provided with a butt joint groove, and the installation assembly is movably connected with the butt joint groove.

Further, sealing gaskets are respectively arranged at two ends of the switching sleeve, and the sealing gaskets are formed by thermoplastic rubber.

The beneficial effects of the utility model are as follows:

According to the utility model, the installation component is arranged at one end of the end pipe, the stabilizing component is arranged on the surface of the corrugated pipe, the end pipe and the corrugated pipe are pre-fixedly connected before the expansion joint is installed, then when the expansion joint is installed with an external pipeline, the expansion joint can be quickly connected with the external pipeline only by adjusting the installation component, the stabilizing component can stably position and support the expansion joint after the installation, serious deformation of the expansion joint after long-time use is avoided, and the expansion joint can be quickly installed due to the design, and the service life of the expansion joint is prolonged.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is an overall cross-sectional view of the present utility model;

FIG. 3 is an exploded view of the overall structure of the present utility model;

FIG. 4 is an exploded view of the mounting assembly of the present utility model;

figure 5 is a block diagram of a stabilization assembly of the present utility model.

Reference numerals: 1. a mounting assembly; 101. an adjusting ring; 102. a threaded column; 103. an arc-shaped groove; 104. a movable column; 105. a guide frame; 106. an adjustment aperture; 107. an adjusting gear; 108. a gear strip; 109. a clamping block; 110. a mounting ring; 2. a bellows; 3. a stabilizing assembly; 301. an adjusting nut; 302. a limiting ring; 303. a threaded rod; 304. a buffer spring; 4. an end pipe; 5. a transfer sleeve; 6. a butt joint groove; 7. a connecting bolt; 8. a fixed block; 9. a connecting ring; 10. a coupling nut; 11. a sealing gasket; 12. and a butt joint ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 5, an expansion joint easy to install comprises a corrugated pipe 2, connecting rings 9 are fixed at two ends of the corrugated pipe 2, end pipes 4 are arranged at two ends of the corrugated pipe 2, a switching sleeve 5 is arranged between the end pipes 4 and the connecting rings 9, an installation component 1 used for fixing the expansion joint is arranged at one end of each end pipe 4, a stabilizing component 3 used for stabilizing the expansion joint is arranged on the surface of each corrugated pipe 2, connecting bolts 7 are arranged on a side surface array of the installation component 1, the connecting bolts 7 penetrate through the installation component 1, the end pipes 4, the switching sleeve 5 and the connecting rings 9 respectively, connecting nuts 10 are arranged at one ends of the connecting bolts 7, and the connecting nuts 10 are in threaded connection with the connecting bolts 7.

The installation component 1, the end pipe 4, the switching sleeve 5 and the connecting ring 9 are pre-fixed before the expansion joint is installed through the connecting bolt 7 and the connecting nut 10, and when the expansion joint is installed, the installation component 1, the end pipe 4, the switching sleeve 5 and the connecting ring 9 can be directly installed with an external pipeline as a whole, and then are quickly fixed through the installation component 1, so that a large amount of time is saved.

As shown in fig. 1 to 4, the installation assembly 1 comprises a mounting ring 110, an adjusting ring 101 is arranged in the mounting ring 110, the adjusting ring 101 is movably connected with the mounting ring 110, a guide frame 105 is fixed in the mounting ring 110 in an array manner, a clamping block 109 is arranged in the guide frame 105, the clamping block 109 penetrates through the inner side of the mounting ring 110, the clamping block 109 is slidably connected with the guide frame 105, a movable column 104 is fixed on the surface of the clamping block 109, an arc-shaped groove 103 is arranged on the surface array of the adjusting ring 101, the movable column 104 is movably connected with the arc-shaped groove 103, a gear strip 108 is arranged on the side surface of the adjusting ring 101, a threaded column 102 is arranged on the surface of the mounting ring 110, the threaded column 102 is in threaded connection with the mounting ring 110, an adjusting gear 107 is fixed at one end of the threaded column 102, the adjusting gear 107 is meshed with the gear strip 108, and an adjusting hole 106 is formed at one end of the threaded column 102.

After the expansion joint is tightly butted with an external pipeline, the expansion joint is clamped and rotated with an adjusting hole 106 at one end of a threaded column 102 by an external tool, then the threaded column 102 rotates and contracts on the surface of a mounting ring 110, an adjusting gear 107 is driven to rotate, then the adjusting ring 101 rotates, so that an arc-shaped groove 103 drives a movable column 104 to move, and finally a clamping block 109 moves towards the inner side of the mounting ring 110 in a guide frame 105, so that the external pipeline is clamped and fixed, the clamping block 109 is formed by thermoplastic rubber, and the friction force between the clamping block 109 and the external pipeline is large.

As shown in fig. 1, 2 and 5, a fixed block 8 is fixed on the surface array of the adapter sleeve 5, the stabilizing component 3 comprises a threaded rod 303, the threaded rod 303 penetrates through the fixed block 8, two sides of the fixed block 8 are respectively provided with a limiting ring 302, the limiting rings 302 are movably connected with the threaded rod 303, a buffer spring 304 is arranged between the limiting rings 302 and the fixed block 8, an adjusting nut 301 is arranged on the surface of the threaded rod 303, and the adjusting nut 301 is in threaded connection with the threaded rod 303.

After the expansion joint is installed, the threaded rod 303 is inserted and connected between the fixed blocks 8, the normal threaded rod 303 can be directly locked on the surface of the corrugated pipe 2, but the deformation degree of the expansion joint can be reduced by the design, so that the expansion joint cannot be connected with a pipeline with larger shaking amplitude, and the buffer spring 304 and the limiting ring 302 are arranged on the surface of the threaded rod 303, so that the occurrence of the situation can be greatly reduced, and the practicability of the expansion joint is enhanced.

One end of the end pipe 4 is provided with a butt joint ring 12, the butt joint ring 12 is formed by thermoplastic rubber, the other end of the end pipe 4 is provided with a butt joint groove 6, the installation component 1 is movably connected with the butt joint groove 6, two ends of the adapter sleeve 5 are respectively provided with a sealing gasket 11, and the sealing gaskets 11 are formed by thermoplastic rubber.

To sum up: when the device is installed, the installation component 1, the end pipe 4, the adapter sleeve 5 and the connecting ring 9 are pre-fixed before the expansion joint is installed through the connecting bolt 7 and the connecting nut 10, when the expansion joint is installed, the installation component 1, the end pipe 4, the adapter sleeve 5 and the connecting ring 9 can be directly installed with an external pipeline as a whole, then the installation component 1 is used for quick fixation, a great amount of time is saved, after the expansion joint is tightly butted with the external pipeline, the external tool is clamped and rotated with the adjusting hole 106 at one end of the threaded column 102, then the threaded column 102 drives the adjusting gear 107 to rotate when the surface of the installation ring 110 rotates and contracts, then the adjusting ring 101 rotates, therefore, the arc-shaped groove 103 drives the movable column 104 to move, and finally the clamping block 109 moves towards the inner side of the mounting ring 110 in the guide frame 105, so that the clamping and fixing of an external pipeline are realized, the clamping block 109 is formed by thermoplastic rubber and has larger friction force with the external pipeline, after the expansion joint is mounted, the threaded rod 303 is inserted and connected between the fixed blocks 8, and the common threaded rod 303 can be directly locked on the surface of the corrugated pipe 2, but the deformation degree of the expansion joint can be reduced, so that the expansion joint cannot be connected with the pipeline with larger shaking amplitude.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An expansion joint easy to install, comprising a bellows (2), characterized in that: the corrugated pipe is characterized in that connecting rings (9) are fixed at two ends of the corrugated pipe (2), end pipes (4) are arranged at two ends of the corrugated pipe (2), a switching sleeve (5) is arranged between each end pipe (4) and each connecting ring (9), an installation component (1) used for fixing expansion joints is arranged at one end of each end pipe (4), and a stabilizing component (3) used for stabilizing the expansion joints is arranged on the surface of each corrugated pipe (2).

2. An expansion joint easy to install according to claim 1, wherein: the mounting assembly (1) comprises a mounting ring (110), an adjusting ring (101) is arranged in the mounting ring (110), the adjusting ring (101) is movably connected with the mounting ring (110), a guide frame (105) is fixed in an array in the mounting ring (110), a clamping block (109) is arranged in the guide frame (105), the clamping block (109) penetrates through the inner side of the mounting ring (110), and the clamping block (109) is in sliding connection with the guide frame (105).

3. An expansion joint easy to install according to claim 2, wherein: the surface mounting of grip block (109) has movable post (104), arc wall (103) have been seted up to the surface array of adjusting ring (101), and movable post (104) and arc wall (103) swing joint, the side of adjusting ring (101) is equipped with gear strip (108), the surface of collar (110) is equipped with screw thread post (102), and screw thread post (102) and collar (110) threaded connection, the one end of screw thread post (102) is fixed with adjusting gear (107), and adjusting gear (107) and gear strip (108) intermeshing, regulation hole (106) have been seted up to the one end of screw thread post (102).

4. An expansion joint easy to install according to claim 1, wherein: the surface array of adapter sleeve (5) is fixed with fixed block (8), stable subassembly (3) are including threaded rod (303), and threaded rod (303) run through fixed block (8), and both sides of fixed block (8) are equipped with spacing ring (302) respectively, and spacing ring (302) and threaded rod (303) swing joint, be equipped with buffer spring (304) between spacing ring (302) and fixed block (8), the surface of threaded rod (303) is equipped with adjusting nut (301), and adjusting nut (301) and threaded rod (303) threaded connection.

5. An expansion joint easy to install according to claim 1, wherein: the side array of installation component (1) is equipped with connecting bolt (7), and connecting bolt (7) run through installation component (1), end pipe (4), adapter sleeve (5) and go-between (9) respectively, the one end of connecting bolt (7) is equipped with coupling nut (10), and coupling nut (10) and connecting bolt (7) threaded connection.

6. An expansion joint easy to install according to claim 1, wherein: one end of the end pipe (4) is provided with a butt joint ring (12), the butt joint ring (12) is formed by thermoplastic rubber, the other end of the end pipe (4) is provided with a butt joint groove (6), and the installation component (1) is movably connected with the butt joint groove (6).

7. An expansion joint easy to install according to claim 6, wherein: the two ends of the switching sleeve (5) are respectively provided with a sealing gasket (11), and the sealing gaskets (11) are formed by thermoplastic rubber.