Stainless steel corrugated pipe facilitating gas conveying

Abstract

The utility model discloses a stainless steel corrugated pipe convenient for fuel gas delivery, which comprises a corrugated pipe body, connectors fixedly connected to two sides of the corrugated pipe body, and connecting pipes in threaded connection to the outer sides of the connectors, sealing mechanisms are slidably connected to the front sides and the rear sides of the outer sides of the connectors, and each sealing mechanism comprises a concave plate. An inclined block is fixedly connected to the bottom of the concave plate, a wheel plate is slidably connected to the inner side of the inclined block, a strip rod is fixedly connected to the inner side of the wheel plate, a vertical plate is fixedly connected to the inner side of the strip rod, the bottom of the vertical plate is slidably connected with the connector, and a sealing cover is fixedly connected to the side, away from the connector, of the bottom of the concave plate. According to the stainless steel corrugated pipe, the phenomenon that a traditional connecting position is poor in sealing performance is changed, the sealing cover is adopted for sealing treatment, the phenomenon of slight leakage cannot occur when fuel gas is conveyed, potential safety hazards cannot be caused to follow-up use, and the safety of fuel gas conveying cannot be affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas delivery technical field, concretely is a kind of stainless steel bellows for gas delivery with convenience. BACKGROUND

[0002] Gas delivery refers to the process of transporting gas from production to use; Gas is an important energy resource, widely used in industrial production and family life; Pipeline transportation is the most common, most economical and most reasonable way for long-distance, large-scale and uninterrupted gas transportation; This mode has large transportation capacity, but the cost is relatively high; In order to ensure that gas can reach the destination smoothly, pressure station and regulating station need to be added along the line; Stainless steel bellows is a kind of flexible and good temperature-resistant and pressure-resistant industrial metal material, which is usually made of thin-walled stainless steel welded pipe by wave processing;

[0003] According to the patent disclosed by China patent network, the patent name is: a kind of stainless steel bellows hose and bellows fitting for gas delivery, patent application number is: 201922212546.4, including bellows body, the side surface of bellows body is provided with pipe mouth, the inner wall of pipe mouth is provided with thread layer, the side surface of thread layer is movably connected with plastic layer, the side surface of plastic layer is provided with vacuum layer, the side surface of vacuum layer is fixedly connected with lime layer, the side surface of lime layer is fixedly installed with protective sleeve, the outer surface of protective sleeve is provided with groove;The utility model, by the outer surface of bellows body fixedly installed with protective sleeve, can protect the bellows from extrusion, effectively protect the bellows fitting and prevent wear and tear, by the side surface of bellows body is provided with filler layer, so that the corrugated hose can be clamped in the interlayer of bellows body, prevent the damage and wear of corrugated hose from outside;And the connection of the above-mentioned stainless steel bellows is generally connected by flange and bolt head, and there is a certain gap in the connection of flange and bolt head, which is easy to appear slight leakage phenomenon when transporting gas, which buries potential safety hazard for subsequent use and affects the safety of gas delivery.

[0004] Therefore, it is necessary to design and reform the stainless steel bellows to effectively prevent the poor sealing of the connection. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the above background art, the purpose of the utility model is to provide a kind of stainless steel bellows for gas delivery with convenience, which has the advantage of increasing the sealing of the connection and solves the problem of poor sealing of the connection.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of stainless steel bellows for gas delivery with convenience, including bellows body;

[0007] The connecting heads are fixedly connected on both sides of the bellows body;

[0008] The connecting pipe is threadedly connected on the outside of the connecting head;

[0009] The front side and the rear side of the outside of the connecting head are slidably connected with sealing mechanisms, the sealing mechanisms comprise a concave plate, the bottom of the concave plate is fixedly connected with an inclined block, the inner side of the inclined block is slidably connected with a wheel plate, the inner side of the wheel plate is fixedly connected with a strip rod, the inner side of the strip rod is fixedly connected with a vertical plate, the bottom of the vertical plate is slidably connected with the connecting head, the bottom of the concave plate and the side away from the connecting head are fixedly connected with a sealing cover, and the inner side of the sealing cover is located at the connecting position of the connecting head and the connecting pipe.

[0010] As preferred in the utility model, the outer side of the inclined block is fixedly connected with a protection mechanism, the protection mechanism comprises a protruding block, the outer side of the protruding block is fixedly connected with a vertical plate, the inner side of the vertical plate is fixedly connected with an L-shaped plate, the side away from the vertical plate of the L-shaped plate is fixedly connected with a protection frame cover, and the inner side of the protection frame cover is attached to the bellows body.

[0011] As preferred in the utility model, the outer side of the vertical plate is fixedly connected with a guide mechanism, the guide mechanism comprises a protruding rod, the surface of the protruding rod is sleeved with an extrusion spring, the inner side of the extrusion spring is fixedly connected with the vertical plate, the outer side of the extrusion spring is fixedly connected with a fixed plate, the inner side of the fixed plate is fixedly connected with the connecting head, the outer side of the protruding rod penetrates to the outer side of the fixed plate, the inner side of the fixed plate is fixedly connected with an angle block, and the inner side of the angle block is fixedly connected with the connecting head.

[0012] As preferred in the utility model, the top and the bottom of the connecting head are provided with a strip groove, and the inner side of the vertical plate is slidably connected in the strip groove.

[0013] As preferred in the utility model, the front side and the rear side of the outside of the connecting head are provided with a sliding groove, and the inner side of the concave plate is slidably connected in the sliding groove.

[0014] As preferred in the utility model, the inner side of the inclined block is provided with an inclined groove, and the outer side of the wheel plate is slidably connected in the inclined groove.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The stainless steel bellows changes the phenomenon that the traditional connecting position is not good in sealing, adopts a sealing cover for sealing treatment, and the phenomenon of slight leakage does not occur when conveying gas, hidden dangers for subsequent use are not caused, and the safety of gas conveying is not affected.

[0017] 2、 The utility model discloses a set of protection mechanism can protect the surface of the corrugated pipe body, avoid the phenomenon of pipe body rupture caused by external factors.

[0018] 3、 The utility model discloses a set of guide mechanism can make the vertical board more stably move to the inside, avoid the phenomenon of deviation.

[0019] 4、 The utility model discloses a set of strip slot can make the vertical board more smoothly slide in the inside of the connector, reduce the friction between the vertical board and the connector, prolong the service life of the vertical board, and the vertical board is limited effect.

[0020] 5、 The utility model discloses a set of chute can make the concave plate more stably slide in the inside of the connector, prevent the phenomenon of inclination.

[0021] 6、 The utility model discloses a set of inclined slot can make the wheel plate more smoothly slide in the inside of the inclined block, increase the operation fluency between the two. DRAWINGS

[0022] Figure 1 It is the structure schematic drawing of the utility model;

[0023] Figure 2 It is the structure drawing of sealing mechanism, protection mechanism and guide mechanism of the utility model;

[0024] Figure 3 It is the side view of sealing mechanism, protection mechanism and guide mechanism of the utility model;

[0025] Figure 4 It is the partial structure perspective view of the utility model.

[0026] In the drawing: 1, corrugated pipe body;2, connector;3, connecting pipe;4, sealing mechanism;5, concave plate;6, inclined block;7, wheel plate;8, strip rod;9, vertical board;10, sealing cover;11, protection mechanism;12, protruding block;13, vertical plate;14, L-shaped plate;15, protection frame cover;16, guide mechanism;17, protruding rod;18, extrusion spring;19, fixed plate;20, angle block;21, strip slot;22, chute;23, inclined slot. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] As Figures 1 to 4 shown, the utility model provides a stainless steel bellows convenient for gas delivery, including bellows body 1,

[0029] Both sides of bellows body 1 are fixedly connected with connecting head 2;

[0030] Connecting pipe 3 is screw connected on the outside of connecting head 2;

[0031] The front side and the rear side of the outside of connecting head 2 are slidably connected with sealing mechanism 4, sealing mechanism 4 includes recessed plate 5, the bottom of recessed plate 5 is fixedly connected with inclined block 6, the inner side of inclined block 6 is slidably connected with wheel plate 7, the inner side of wheel plate 7 is fixedly connected with strip rod 8, the inner side of strip rod 8 is fixedly connected with vertical plate 9, the bottom of vertical plate 9 is slidably connected with connecting head 2, the bottom of recessed plate 5 and the side away from connecting head 2 are fixedly connected with sealing cover 10, the inner side of sealing cover 10 is located at the connecting place of connecting head 2 and connecting pipe 3.

[0032] Reference Figure 1 , Figure 2 and Figure 3 , the outer side of inclined block 6 is fixedly connected with protection mechanism 11, protection mechanism 11 includes protruding block 12, the outer side of protruding block 12 is fixedly connected with longitudinal plate 13, the inner side of longitudinal plate 13 is fixedly connected with L-shaped plate 14, the side away from longitudinal plate 13 of L-shaped plate 14 is fixedly connected with protection frame cover 15, the inner side of protection frame cover 15 is attached to bellows body 1.

[0033] As a kind of technical optimization scheme of the utility model, by the setting of protection mechanism 11, the surface of bellows body 1 can be protected, to avoid the phenomenon that pipe body breaks due to external factors.

[0034] Reference Figure 1 , Figure 2 and Figure 3 , the outer side of vertical plate 9 is fixedly connected with guide mechanism 16, guide mechanism 16 includes convex rod 17, the surface of convex rod 17 is sleeved with extrusion spring 18, the inner side of extrusion spring 18 is fixedly connected with vertical plate 9, the outer side of extrusion spring 18 is fixedly connected with fixed plate 19, the inner side of fixed plate 19 is fixedly connected with connecting head 2, the outer side of convex rod 17 penetrates to the outer side of fixed plate 19, the inner side of fixed plate 19 is fixedly connected with angle block 20, the inner side of angle block 20 is fixedly connected with connecting head 2.

[0035] As a kind of technical optimization scheme of the utility model, by the setting of guide mechanism 16, vertical plate 9 can be more stably moved to inner side, to avoid the phenomenon of deviation.

[0036] Reference Figure 4 , the top and the bottom of connecting head 2 are provided with strip groove 21, the inner side of vertical plate 9 is slidably connected in the inside of strip groove 21.

[0037] As a technical optimization scheme of the utility model, through the setting of the slot 21, the vertical plate 9 can more smoothly slide in the inside of the connecting head 2, the friction between the vertical plate 9 and the connecting head 2 is reduced, and the service life of the vertical plate 9 is prolonged, and the vertical plate 9 is limited.

[0038] Reference Figure 4 The front side and the rear side outside the connecting head 2 are provided with the sliding groove 22, and the inner side of the concave plate 5 is slidably connected in the inside of the sliding groove 22.

[0039] As a technical optimization scheme of the utility model, through the setting of the sliding groove 22, the concave plate 5 can more stably slide in the inside of the connecting head 2, and the inclination phenomenon is prevented.

[0040] Reference Figure 2 The inner side of the inclined block 6 is provided with the inclined groove 23, and the outer side of the wheel plate 7 is slidably connected in the inside of the inclined groove 23.

[0041] As a technical optimization scheme of the utility model, through the setting of the inclined groove 23, the wheel plate 7 can more smoothly slide in the inside of the inclined block 6, and the running smoothness between the two is increased.

[0042] The working principle and use process of the utility model: first, the user first threadedly connects the connecting pipe 3 in the inside of the connecting head 2, then pulls the vertical plate 9 to the outside, the vertical plate 9 drives the strip rod 8 to move to the outside, the strip rod 8 drives the wheel plate 7 to move to the outside, the wheel plate 7 drives the inclined block 6 to move to the inside, the inclined block 6 drives the concave plate 5 to move to the inside, the concave plate 5 drives the sealing cover 10 to move to the inside, makes the sealing cover 10 cover the connecting pipe 3 and the connecting head 2 The connecting place of 2, so that the effect of increasing the sealing property of the connecting place is achieved.

[0043] In summary: the stainless steel corrugated pipe convenient for gas conveying changes the phenomenon that the traditional connecting place is not good in sealing property, adopts the sealing cover 10 to seal, and when conveying gas, the phenomenon of slight leakage does not appear, and the safety hidden danger of subsequent use is not buried, and the safety of gas conveying is not affected.

[0044] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0045] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A stainless steel corrugated pipe facilitating gas delivery, comprising a corrugated pipe body (1); A connecting head (2) is fixedly connected on both sides of the corrugated pipe body (1); A connecting pipe (3) is threadedly connected outside the connecting head (2); characterized in that The front side and the rear side outside the connecting head (2) are both slidably connected with a sealing mechanism (4), the sealing mechanism (4) comprises a concave plate (5), the bottom of the concave plate (5) is fixedly connected with an inclined block (6), the inner side of the inclined block (6) is slidably connected with a wheel plate (7), the inner side of the wheel plate (7) is fixedly connected with a strip rod (8), the inner side of the strip rod (8) is fixedly connected with a vertical plate (9), the bottom of the vertical plate (9) is slidably connected with the connecting head (2), the bottom of the concave plate (5) and the side away from the connecting head (2) are fixedly connected with a sealing cover (10), the inner side of the sealing cover (10) is located at the connection between the connecting head (2) and the connecting pipe (3).

2. A stainless steel bellows for facilitating gas delivery according to claim 1, characterized in that: The outer side of the inclined block (6) is fixedly connected with a protection mechanism (11), the protection mechanism (11) comprises a protruding block (12), the outer side of the protruding block (12) is fixedly connected with a longitudinal plate (13), the inner side of the longitudinal plate (13) is fixedly connected with an L-shaped plate (14), the side away from the longitudinal plate (13) of the L-shaped plate (14) is fixedly connected with a protection frame cover (15), the inner side of the protection frame cover (15) is attached to the corrugated pipe body (1).

3. A stainless steel bellows for facilitating gas delivery as defined in claim 1, wherein: The outer side of the vertical plate (9) is fixedly connected with a guide mechanism (16), the guide mechanism (16) comprises a protruding rod (17), the surface of the protruding rod (17) is sleeved with an extrusion spring (18), the inner side of the extrusion spring (18) is fixedly connected with the vertical plate (9), the outer side of the extrusion spring (18) is fixedly connected with a fixed plate (19), the inner side of the fixed plate (19) is fixedly connected with the connecting head (2), the outer side of the protruding rod (17) penetrates to the outer side of the fixed plate (19), the inner side of the fixed plate (19) is fixedly connected with an angle block (20), the inner side of the angle block (20) is fixedly connected with the connecting head (2).

4. A stainless steel bellows for facilitating gas delivery according to claim 1, wherein: The top and the bottom of the connecting head (2) are both provided with a strip groove (21), the inner side of the vertical plate (9) is slidably connected inside the strip groove (21).

5. A stainless steel bellows for facilitating gas delivery as defined in claim 1, wherein: The front side and the rear side outside the connecting head (2) are both provided with a sliding groove (22), the inner side of the concave plate (5) is slidably connected inside the sliding groove (22).

6. A stainless steel bellows for facilitating gas delivery according to claim 1, wherein: The inner side of the inclined block (6) is provided with an inclined groove (23), the outer side of the wheel plate (7) is slidably connected inside the inclined groove (23).

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