Improved corrugated pipe

Abstract

The utility model provides an improved corrugated pipe, which comprises a pipeline main body, a corrugated pipe and a corrugated pipe, the number of the connectors is two, the two connectors are connected to the two ends of the pipeline main body respectively, the corrugated shape is used for increasing the effective space volume of an inner cavity of the pipeline main body, and the pipeline main body and the corrugated shape are used for changing the partial stress direction, so that the pipeline can bear larger pressure and tension. According to the improved corrugated pipe provided by the utility model, the surface of the pipeline main body is provided with the corrugations and the two connectors, so that the volume of the whole pipeline main body can be reduced, the occupied space is reduced when the whole pipeline main body is mounted at a construction position, and meanwhile, when a medium flows in the pipeline main body, the partial stress direction can be changed, and the working efficiency is improved. The pipeline body can bear larger pressure and tension, and the service life of the whole pipeline body can be prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of bellows, especially to an improved bellows. BACKGROUND

[0002] The bellows is a tubular elastic sensitive element connected by foldable corrugated sheets along the folding and telescoping direction, and is widely used in instruments and meters, mainly as a measuring element of pressure measuring instruments to convert pressure into displacement or force, with thin wall, high sensitivity and a measuring range of tens of pascals to tens of megapascals, and the open end is fixed, the sealed end is in a free state, and an auxiliary spiral spring or spring sheet is used to increase elasticity.

[0003] The conventional bellows has large overall size, occupies much space during installation at the construction site, and the conventional bellow design reduces the internal effective space volume of the pipeline; more importantly, when the medium flows in the bellows, the conventional structure is difficult to optimize the stress direction, resulting in a significant increase in the pressure and tension borne by the pipeline, and a significant reduction in the service life. In addition, the connection structure of the existing bellows has obvious defects - it depends on flanges, transition joints and other external components to realize multi-pipe splicing, which not only increases the material cost and installation process, but also is prone to leakage or falling off at the splicing node due to poor adaptability and insecure fixation of the external components.

[0004] Therefore, it is necessary to provide an improved bellows to solve the above technical problems. SUMMARY

[0005] The improved bellows provided by the utility model solves the problems of the conventional bellows, such as large overall size, much space occupation during installation, conventional bellows design reducing the internal effective space volume of the pipeline, conventional structure being difficult to optimize the stress direction when the medium flows, resulting in large pressure and tension borne by the pipeline and short service life, connection structure depending on flanges, transition joints and other external components to realize multi-pipe splicing, increasing the material cost and installation process, and being prone to leakage or falling off at the splicing node due to poor adaptability and insecure fixation of the external components.

[0006] To solve the above technical problems, the utility model provides an improved bellows, which comprises:

[0007] A pipeline body, the surface of the pipeline body is provided with corrugations;

[0008] Two connecting heads, the two connecting heads are respectively connected to the two ends of the pipeline body.

[0009] Preferably, the corrugations are used to increase the effective space volume of the internal cavity of the pipeline body.

[0010] Preferably, the pipe body and the corrugation are used to change part of the force direction, enabling it to withstand greater pressure and tension.

[0011] Preferably, one end of the connector is connected to a splicing joint.

[0012] Preferably, one end of the connector is provided with a fixing component, the fixing component including a fixing ring, and fixing blocks are symmetrically connected to both sides of the surface of the fixing ring.

[0013] Preferably, each of the two fixing blocks is connected to a threaded rod on one side, and each of the two threaded rods is fitted with an installation sleeve, with a connecting sleeve connecting the two installation sleeves.

[0014] Preferably, the threaded rod has a threaded sleeve threadedly connected to its surface and to one side of the mounting sleeve.

[0015] Compared with related technologies, the improved corrugated pipe provided by this utility model has the following beneficial effects:

[0016] This utility model provides an improved corrugated pipe, which has splicing joints and fixing components on the pipe body with connectors to facilitate splicing and fixing of multiple pipe bodies. Attached Figure Description

[0017] Figure 1 A schematic diagram of the structure of a first embodiment of an improved bellows provided by this utility model;

[0018] Figure 2 A schematic diagram of the structure of a second embodiment of an improved bellows provided by this utility model;

[0019] Figure 3 for Figure 2 The enlarged schematic diagram of part A is shown.

[0020] Labels in the diagram: 1. Pipe body; 2. Corrugated; 3. Connector; 4. Joint;

[0021] 5. Fixing component; 51. Fixing ring; 52. Fixing block; 53. Threaded rod; 54. Mounting sleeve; 55. Connecting sleeve; 56. Threaded sleeve. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] First Embodiment

[0024] Please refer to the following: Figure 1 ,in, Figure 1The utility model provides a kind of improved corrugated pipe's first embodiment structure schematic view.

[0025] Pipeline main body 1, the surface of the pipeline main body 1 is provided with corrugated 2;

[0026] Connecting head 3, the number of the connecting head 3 is two, and two the connecting head 3 is connected to the two ends of the pipeline main body 1 respectively.

[0027] The corrugated 2 is used to increase the effective space volume of the internal cavity of the pipeline main body 1.

[0028] The pipeline main body 1 and the corrugated 2 are used to change part of stress direction, so that it can withstand greater pressure and tension.

[0029] The corrugated 2 arranged on the pipeline main body 1 can disperse stress direction, can withstand greater force, increases service life.

[0030] In the case where the same outer diameter, effectively increase the height difference of wave crest and wave trough, increase the stroke of corrugated pipe.

[0031] Compared with conventional corrugated pipe, the outer diameter of corrugated pipe is reduced, and the occupied space is reduced. Miniaturization is realized.

[0032] Compared with conventional corrugated pipe, due to the change of shape, part of stress direction is changed, so that it can withstand greater pressure and tension, and the application range is more extensive.

[0033] Increase the effective space volume of internal cavity. In specific environment, the scope of application is wider.

[0034] Compared with related art, the improved corrugated pipe has the following beneficial effects:

[0035] The utility model provides a kind of improved corrugated pipe, and the corrugated 2 and two connecting heads 3 arranged on the surface of the pipeline main body 1 can reduce the volume of the whole pipeline main body 1, so as to reduce the occupation of space when the whole pipeline main body 1 is installed in construction position, while the medium flows in the internal cavity of the pipeline main body 1, part of stress direction can be changed, so that it can withstand greater pressure and tension, and the service life of the whole pipeline main body 1 can be increased.

[0036] Second embodiment

[0037] Please refer to Figure 2 And Figure 3, based on the first embodiment of the application provides an improved corrugated pipe, the second embodiment of the application provides another improved corrugated pipe. Second embodiment is only the preferred mode of the first embodiment, the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

[0038] Specifically, the second embodiment of the application provides an improved corrugated pipe, wherein one end of the connecting head 3 is connected with a splice head 4.

[0039] One end of the connecting head 3 is provided with a fixing assembly 5, and the fixing assembly 5 comprises a fixing ring 51, and two sides of the surface of the fixing ring 51 are symmetrically connected with fixing blocks 52.

[0040] The fixing ring 51 is connected to the surface of the connecting head 3, the connecting sleeve 55 is connected to the connecting head 3 on the other pipeline body 1, and the threaded rod 53 and the threaded sleeve 55 are used to facilitate the fixation of the connecting sleeve 55 by the fixing mounting sleeve 55.

[0041] One side of each of the two fixing blocks 52 is connected with a threaded rod 53, the surface of each of the two threaded rods 53 is sleeved with a mounting sleeve 54, and the connecting sleeve 55 is connected between the two mounting sleeves 54.

[0042] The surface of the threaded rod 53 and one side of the mounting sleeve 54 are threadedly connected with a threaded sleeve 56.

[0043] The working principle of the improved corrugated pipe provided by the utility model is as follows:

[0044] When the plurality of pipeline bodies 1 are spliced, the fixing ring 51 with the fixing block 52 and the threaded rod 53 is installed on the surface of the connecting head 3 of the two pipeline bodies 1, respectively, and then the connecting sleeve 55 with the mounting sleeve 54 is sleeved between the two threaded rods 53, and then the threaded sleeve 56 is threadedly connected on the threaded rod 53 to push one of the pipeline bodies 1 to move to the end of the other pipeline body 1, until the connecting head 3 at one end of the pipeline body 1 is connected with the splice head 4.

[0045] Compared with the related art, the improved corrugated pipe has the following beneficial effects:

[0046] The improved corrugated pipe provided by the utility model is provided with a splice head 4 and a fixing assembly 5 on the pipeline body 1 with a connecting head 3, so as to facilitate the splicing and fixation of the plurality of pipeline bodies 1.

[0047] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. An improved bellows, characterized by, Include: The surface of the pipeline body is provided with corrugation; The number of connecting heads is two, and two connecting heads are connected to two ends of the pipeline body respectively; One end of the connecting head is provided with a fixing assembly, and the fixing assembly comprises a fixing ring, and the surface of the fixing ring is symmetrically connected with a fixing block on both sides; One side of two fixing blocks is connected with a threaded rod, and the surface of two threaded rods is sleeved with a mounting sleeve, and two mounting sleeves are connected with a connecting sleeve; The surface of the threaded rod and one side of the mounting sleeve are threadedly connected with a threaded sleeve.

2. The improved bellows as claimed in claim 1 wherein, The corrugation is used to increase the effective space volume of the internal cavity of the pipeline body.

3. The improved bellows as claimed in claim 1 wherein, The pipeline body and the corrugation change the direction of part of the stress, so that they can bear greater pressure and tension.

4. The improved bellows as claimed in claim 1 wherein, One end of the connecting head is connected with a splice head.

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