Corrugated pipe with limiting mechanism

Abstract

The utility model relates to the field of corrugated pipes, in particular to a corrugated pipe with a limiting mechanism, which comprises a corrugated pipe joint, a main body structure and functions for the corrugated pipe, and a corrugated pipe head arranged at the top of the corrugated pipe joint and used for being connected with an external pipeline, and a double-end bolt penetrates through the interior of the inner through groove. The corrugated pipe is provided with the double-end bolts, the outer limiting rings, the connecting blocks, the first telescopic rods, the buffer springs, the main adjusting rod and the second telescopic rods, and when the corrugated pipe is used, the outer limiting rings can be connected and installed on the corrugated pipe heads at the two ends of the corrugated pipe section through the double-end bolts respectively; and then a fixed knob is twisted to adjust the distance between a main adjusting rod and a second telescopic rod, so that the overall stretching length of the corrugated pipe is limited, the corrugated pipe is provided with a limiting mechanism, and the purposes of limiting the stretching range of the corrugated pipe and preventing the corrugated pipe from being damaged due to excessive deformation are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the corrugated pipe field, specifically to a corrugated pipe with limiting mechanism. BACKGROUND

[0002] Corrugated tube refers to the foldable corrugated sheet connected into a tubular elastic sensitive element along the folding and telescoping direction, it has elasticity, can produce displacement under the action of pressure, axial force, transverse force or bending moment, the open end of the corrugated tube is usually fixed, the sealed end is in a free state, and the elasticity is increased by using auxiliary spiral spring or spring piece, when the corrugated tube works, internal pressure will make it elongate along the length direction of the pipe, so that the movable end produces displacement in a certain relationship with the pressure, this displacement can drive the pointer to directly indicate the size of the pressure, therefore, the corrugated tube is often used as a measuring element of pressure measuring instrument in instruments and meters.

[0003] Through the search, a corrugated pipe with publication number CN212868790U is disclosed, specifically a corrugated pipe; it includes a base pipe and an outer wave layer; the outer wave layer is arranged outside the base pipe to form a corrugated pipe body, the part of the outer wave layer protruding outward is provided with at least three transverse reinforcing ribs, all the transverse reinforcing ribs are arranged around the circumference of the outer wave layer, the outer wave layer in the corrugated pipe is provided with a plurality of transverse reinforcing ribs, the transverse reinforcing ribs can effectively increase the ring stiffness of the corrugated pipe, so that the thickness of the corrugated pipe does not need to be increased to improve the ring stiffness of the corrugated pipe, and the production efficiency is improved, so as to achieve the effect of reducing the production cost.

[0004] The existing corrugated pipe lacks a limiting mechanism, which may cause damage due to excessive elongation or shortening during use, and the corrugated pipe in the above comparative case also lacks a limiting mechanism, so that the corrugated pipe may loosen or break at the connection in the pipeline system during long-term use, thereby causing safety problems such as leakage, which adversely affects its performance, safety and service life.

[0005] Therefore, it is necessary to invent a corrugated pipe with a limiting mechanism to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose is provided with limiting mechanism's bellows, through stud bolt, outer limit ring, connecting block, first telescopic link, buffer spring, main adjusting lever and second telescopic link realize let the bellows have limiting mechanism, realize the telescopic range of restriction bellows, prevent its damage due to excessive deformation, the limiting mechanism of such design can ensure that bellows works stably in a specific range, avoid its deviation from the predetermined position due to vibration or external force, and this design makes bellows can better adapt to different working environment and condition, so long -term use under the bellows with limiting mechanism can guarantee the stability of the connecting place in the pipeline system, and the performance, safety and service life are improved, to solve the bellows in the prior art in the use process, due to the main role of limiting mechanism is to limit the extension and shortening range of bellows, prevent its overstretching or over shrinking, if lacking limiting mechanism, bellows can be damaged due to excessive extension or shortening in the use process, and the bellows in the above case also lack limiting mechanism, so long -term use under the bellows can appear loose or rupture at the connecting place in the pipeline system, and further cause leakage and other safety problems, which have adverse effects on the performance, safety and service life.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a kind of bellows with limiting mechanism, including bellows section, for the main body structure and function of bellows;

[0008] Bellows head is arranged at the top of bellows section, for being connected with external pipeline, and the outside of bellows head is provided with inner through slot, the inside of the inner through slot is penetrated by stud bolt, one end of the stud bolt is movably connected with outer limit ring, the bottom of the outer limit ring is fixedly installed with connecting block;

[0009] First telescopic link is arranged in the inside of connecting block, for short telescopic, and the outside of first telescopic link is provided with buffer spring, one end of the first telescopic link is fixedly installed with main adjusting lever, the outside of the main adjusting lever is penetrated by fixed knob, the inside of the main adjusting lever is movably connected with second telescopic link.

[0010] Preferably, the upper portion of the bellows head is provided with an adjusting groove, and the lower portion of the adjusting groove is provided with a reinforcing gasket, and the bottom of the reinforcing gasket is penetrated by a fastening bolt.

[0011] Preferably, the inside of the bellows section is attached with an inner bellows layer, and the inside of the inner bellows layer is attached with a corrosion-resistant coating.

[0012] Preferably, the corrosion-resistant coating is tightly attached to the inner bellows layer, and the material of the corrosion-resistant coating is polytetrafluoroethylene.

[0013] Preferably, the outer limit ring is threadedly connected with the corrugated pipe head, and the connecting block is fixedly connected with the outer limit ring.

[0014] Preferably, the number of the buffer springs is set to be multiple, and the multiple buffer springs are arranged in a ring array on the outer limit ring.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are as follows:

[0016] 1. The utility model discloses a double-end bolt, an outer limit ring, a connecting block, a first telescopic rod, a buffer spring, a main adjusting rod and a second telescopic rod are arranged, when the corrugated pipe is used, the outer limit ring can be connected and installed on the corrugated pipe head at both ends of the corrugated pipe section through the double-end bolt, then the spacing of the main adjusting rod and the second telescopic rod is adjusted by twisting the fixed knob, thereby the stretching length of the whole corrugated pipe is limited, so that the corrugated pipe has a limiting mechanism, the stretching range of the corrugated pipe is limited, and the corrugated pipe is prevented from being damaged due to excessive deformation, the limiting mechanism can ensure that the corrugated pipe works stably within a specific range, the corrugated pipe is prevented from deviating from the predetermined position due to vibration or external force, and the corrugated pipe can better adapt to different working environments and conditions through the design, and the one end of the main adjusting rod is further provided with the buffer spring, so that certain buffer is provided when the corrugated pipe reaches the limit, the stress generated due to impact is reduced, and the corrugated pipe and the connecting piece are protected from being damaged, so that the corrugated pipe with the limiting mechanism can guarantee the stability of the connection in the pipeline system after long-term use, and the performance, safety and service life are improved.

[0017] 2. The utility model discloses a corrugated pipe section, a corrugated pipe head, an inner corrugated pipe layer and a corrosion-resistant coating are arranged, when the corrugated pipe is used, the corrugated structure of the pipeline is increased through the design of the inner corrugated pipe layer, the structure is helpful for dispersing internal pressure and improving the pressure-bearing capacity of the corrugated pipe, and the corrugated pipe has good elasticity and flexibility due to the unique corrugated shape, can adapt to various complex pipeline layouts and displacement requirements, the elasticity and flexibility are further enhanced through the inner corrugated pipe layer, so that the corrugated pipe is more durable and reliable, and the corrosion-resistant coating attached inside the inner corrugated pipe layer can isolate the direct contact between the pipeline internal medium and the pipeline material, thereby preventing the corrosion of the pipeline by the medium, and the corrugated pipe can adapt to various application scenarios through the design. ACCURACY

[0018] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1The utility model discloses a whole structure schematic view.

[0020] Figure 2 The utility model discloses a corrugated pipe head structure schematic view.

[0021] Figure 3 The utility model discloses an inner corrugated pipe layer structure schematic view.

[0022] Figure 4 The utility model discloses an outer limiting ring structure schematic view.

[0023] Figure 5 The utility model discloses a second telescopic rod structure schematic view.

[0024] Mark explanation:

[0025] 1, corrugated pipe section;2, corrugated pipe head;3, inner through groove;4, adjusting groove;5, reinforcing gasket;6, fastening bolt;7, inner corrugated pipe layer;8, corrosion -resistant coating;9, stud bolt;10, outer limiting ring;11, connecting block;12, first telescopic rod;13, buffer spring;14, main adjusting rod;15, fixed knob;16, second telescopic rod. Specific implementation

[0026] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, below will be combined with the utility model make further detailed introduction to the drawing.

[0027] The utility model provides a corrugated pipe with limiting mechanism as Figures 1-5 The utility model discloses a corrugated pipe section 1 for the main body structure and function of corrugated pipe;

[0028] Corrugated pipe head 2 sets up at the top of corrugated pipe section 1, is used for and is connected with external pipeline, and the outside of corrugated pipe head 2 is provided with inner through groove 3, and the inside of inner through groove 3 is penetrated with stud bolt 9, and one end of stud bolt 9 movably connects with outer limiting ring 10, and the bottom of outer limiting ring 10 is fixedly installed with connecting block 11.

[0029] First telescopic rod 12 sets up in the inside of connecting block 11, is used for short telescopic, and the outside of first telescopic rod 12 is provided with buffer spring 13, and one end of first telescopic rod 12 is fixedly installed with main adjusting rod 14, and the outside of main adjusting rod 14 is penetrated with fixed knob 15, and the inside of main adjusting rod 14 movably connects with second telescopic rod 16, can be installed with outer limiting ring 10 through stud bolt 9 at the corrugated pipe head 2 of the both ends of corrugated pipe section 1 respectively, then twists fixed knob 15 and adjusts the interval of main adjusting rod 14 and second telescopic rod 16, thereby the stretching length of the whole corrugated pipe is positioned, so that the corrugated pipe has limiting mechanism, realizes the telescopic range of limiting corrugated pipe, prevents its damage due to excessive deformation.

[0030] As Figure 1 , Figure 2 and Figure 3 shown, the upper part of the bellows head 2 is provided with an adjusting groove 4, the lower part of the adjusting groove 4 is provided with a reinforcing gasket 5, the bottom of the reinforcing gasket 5 is penetrated by a fastening bolt 6, the position of the fastening bolt 6 can be freely adjusted through the adjusting groove 4, thereby facilitating the connection and installation of the bellows with external pipelines, the inside of the bellows section 1 is attached with an inner bellows layer 7, the inside of the inner bellows layer 7 is attached with a corrosion-resistant coating 8, the design of the inner bellows layer 7 increases the corrugated structure of the pipeline, this structure helps to disperse the internal pressure and improve the pressure-bearing capacity of the bellows, and because the bellows has good elasticity and flexibility due to its unique corrugated shape, it can adapt to various complex pipeline layout and displacement requirements, the corrosion-resistant coating 8 is tightly attached between the inner bellows layer 7, the material of the corrosion-resistant coating 8 is: polytetrafluoroethylene, the corrosion-resistant coating 8 attached inside the inner bellows layer 7 can isolate the direct contact between the pipeline internal medium and the pipeline material, thereby preventing the corrosion of the medium to the pipeline, this design makes the bellows can adapt to a variety of application scenarios.

[0031] As Figure 1 , Figure 4 and Figure 5 shown, the outer limiting ring 10 is threadedly connected with the bellows head 2, the connecting block 11 is fixedly connected with the outer limiting ring 10, the outer limiting ring 10 is connected and installed on the bellows head 2 at both ends of the bellows section 1 through the stud bolts 9, then the fixed knob 15 is twisted to adjust the distance between the main adjusting rod 14 and the second telescopic rod 16, thereby limiting the overall stretching length of the bellows, the number of buffer springs 13 is set to be multiple, the multiple buffer springs 13 are arranged in a ring array on the outer limiting ring 10, the one end of the main adjusting rod 14 is also provided with a buffer spring 13, which can provide a certain buffer when the bellows reaches the limit, reduce the stress caused by impact, and protect the bellows and connecting parts from being damaged.

[0032] The utility model discloses a corrugated pipe with limiting mechanism, which comprises a corrugated pipe, a corrugated pipe head 2 and a corrugated pipe joint 1, wherein the corrugated pipe is connected with the corrugated pipe head 2 and the corrugated pipe joint 1, the corrugated pipe head 2 is provided with an adjusting groove 4, the adjusting groove 4 is connected with a fastening bolt 6, the corrugated pipe joint 1 is provided with a main adjusting rod 14, the main adjusting rod 14 is connected with a second telescopic rod 16, the second telescopic rod 16 is connected with a limiting ring 10, the limiting ring 10 is connected with a fixed knob 15, the corrugated pipe is provided with an inner corrugated pipe layer 7, the inner corrugated pipe layer 7 is connected with a corrosion-resistant coating 8, and the corrosion-resistant coating 8 is connected with a buffer spring 13.

[0033] The utility model discloses a corrugated pipe with limiting mechanism, which comprises a corrugated pipe, a corrugated pipe head 2 and a corrugated pipe joint 1, wherein the corrugated pipe is connected with the corrugated pipe head 2 and the corrugated pipe joint 1, the corrugated pipe head 2 is provided with an adjusting groove 4, the adjusting groove 4 is connected with a fastening bolt 6, the corrugated pipe joint 1 is provided with a main adjusting rod 14, the main adjusting rod 14 is connected with a second telescopic rod 16, the second telescopic rod 16 is connected with a limiting ring 10, the limiting ring 10 is connected with a fixed knob 15, the corrugated pipe is provided with an inner corrugated pipe layer 7, the inner corrugated pipe layer 7 is connected with a corrosion-resistant coating 8, and the corrosion-resistant coating 8 is connected with a buffer spring 13. The above only describes some exemplary embodiments of the utility model in a manner of illustration, and it is needless to say that, for ordinary skilled in the art, under the condition that not deviating from the spirit and scope of the utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A bellows with a limiting mechanism, characterized by: The utility model relates to a corrugated pipe joint (1) for the main body structure and function of corrugated pipe, a corrugated pipe head (2) is arranged at the top of corrugated pipe joint (1) and is used for connecting with external pipeline, and the outside of corrugated pipe head (2) is provided with inner through groove (3), the inside of inner through groove (3) is penetrated by stud bolt (9), one end of stud bolt (9) is movably connected with outer limit ring (10), and the bottom of outer limit ring (10) is fixedly installed with connecting block (11). First telescopic rod (12) is arranged in the inside of connecting block (11) and is used for short telescopic, and the outside of first telescopic rod (12) is provided with buffer spring (13), one end of first telescopic rod (12) is fixedly installed with main adjusting rod (14), the outside of main adjusting rod (14) is penetrated by fixed knob (15), and the inside of main adjusting rod (14) is movably connected with second telescopic rod (16). The upper portion of corrugated pipe head (2) is provided with adjusting groove (4), the lower portion of adjusting groove (4) is provided with reinforcing gasket (5), and the bottom of reinforcing gasket (5) is penetrated by fastening bolt (6). The inside of corrugated pipe joint (1) is attached with inner corrugated pipe layer (7), and the inside of inner corrugated pipe layer (7) is attached with corrosion-resistant coating (8).

2. A bellows with a limiting mechanism according to claim 1, characterized in that: The corrosion-resistant coating (8) is closely attached to the inner corrugated pipe layer (7), and the material of the corrosion-resistant coating (8) is polytetrafluoroethylene.

3. A bellows with a limiting mechanism according to claim 1, characterized in that: The outer limit ring (10) is threadedly connected with the corrugated pipe head (2), and the connecting block (11) is fixedly connected with the outer limit ring (10).

4. A bellows with a limiting mechanism according to claim 3, characterized in that: The number of buffer springs (13) is multiple, and the multiple buffer springs (13) are arranged in an annular array on the outer limit ring (10).

5. A bellows with a limiting mechanism according to claim 1, characterized in that: ​ 6. A bellows with a limiting mechanism according to claim 1, characterized in that: ​

Images