KR200484363Y1 - Safety cover for bellows - Google Patents

Safety cover for bellows Download PDF

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Publication number
KR200484363Y1
KR200484363Y1 KR2020150008193U KR20150008193U KR200484363Y1 KR 200484363 Y1 KR200484363 Y1 KR 200484363Y1 KR 2020150008193 U KR2020150008193 U KR 2020150008193U KR 20150008193 U KR20150008193 U KR 20150008193U KR 200484363 Y1 KR200484363 Y1 KR 200484363Y1
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KR
South Korea
Prior art keywords
cover body
bellows
cover
fixing
coupled
Prior art date
Application number
KR2020150008193U
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Korean (ko)
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KR20170002202U (en
Inventor
김태경
Original Assignee
(주)지에스티산업
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Priority to KR2020150008193U priority Critical patent/KR200484363Y1/en
Publication of KR20170002202U publication Critical patent/KR20170002202U/en
Application granted granted Critical
Publication of KR200484363Y1 publication Critical patent/KR200484363Y1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L51/00—Expansion-compensation arrangements for pipe-lines
    • F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/08—Pipe-line systems for liquids or viscous products
    • F17D1/086—Pipe-line systems for liquids or viscous products for explosives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00—Protection or supervision of installations

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Diaphragms And Bellows (AREA)

Abstract

The present invention relates to a safety cover for a bellows. The present invention has a first cover body (36) having a first inner space opened at both ends along a longitudinal direction, and a second inner space coupled with the first cover body (36) The first cover body 36 and the second cover body 37 are coupled to at least one of the first cover body 36 and the second cover body 37, ) To the ground. When the first cover body 36 and the second cover body 37 are coupled to each other, the first inner space and the second inner space form a protection channel S for covering and protecting the periphery of the bellows 1. The safety cover for the bellows according to the present invention can protect the periphery of the bellows 1 by covering and protecting the bellows 1 from splashing around the bellows 1 even if the bellows 1 explodes, leading to secondary damage.

Description

Safety cover for bellows [0002]

The present invention relates to a safety cover for a bellows, and more particularly to a safety cover for a bellows for preventing secondary damage to the outside of the bellows when an explosion occurs inside the bellows by covering the outside of the bellows.

Bellows are elastic bodies made in the form of corrugated tubes and are mainly developed for the purpose of absorbing vibration, noise or thermal deformation. Especially, the metal bellows tube is used in various industrial fields such as aerospace industry, semiconductor manufacturing, nuclear power plant, etc., and is used for precision equipment requiring high vacuum, stretchability, stability and vibration absorption. It prevents penetration of foreign matter to the joint, Is used for the purpose of buffering or absorbing.

Such a bellows structure is a wrinkle structure capable of stretching and bending movements. The bellows structure generally comprises a pipe-shaped body having a wrinkle portion capable of stretching and bending movements, and an annular first flange And an annular second flange coupled to the other end of the body.

In general, the bellows is often used for the flow of a gas or a liquid having an explosive property, and a large pressure is generated inside the bellows. Therefore, the bellows has an internal explosion hazard, and internal substances may leak to the outside due to corrosion of the bellows, and may react with air or other substances to cause an explosion around the bellows. If the bellows is exploded as described above, secondary damage may occur around the bellows.

The present invention has been made to solve the above problems of the prior art, and it is an object of the present invention to cover the bellows by using a bellows cover to minimize the secondary damage of the bellows when the bellows is exploded.

Another object of the present invention is to make it possible to easily install the safety cover for the bellows.

According to an aspect of the present invention for achieving the above-described object, there is provided a portable terminal comprising: a first cover body having a first inner space opened at both ends thereof along a longitudinal direction; and a second cover body coupled to the first cover body, A second cover body coupled to at least one of the first cover body and the second cover body to fix the first cover body and the second cover body to the ground, Wherein when the first cover body and the second cover body are coupled to each other, the first inner space and the second inner space form a protection channel for covering and protecting the periphery of the bellows, Wherein at least one of the first and second cover bodies is provided with a protective piece in a direction to narrow an opening of the protective channel, and the protective piece is coupled to at least one of the first cover body and the second cover body, And a protection part protruding in a direction to narrow the opening of the protection channel.

The fixing portion is detachably coupled to at least one of the first cover body and the second cover body.

The protection piece has a plurality of openings surrounding the opening of the protection channel.

The fixing frame is coupled to the outer circumferential surfaces of the first cover body and the second cover body, and the fixing posts are coupled to both ends of the fixing frame.

The first cover body or the second cover body is formed with a relief portion for allowing the bellows sensor of the bellows to protrude.

The stationary post includes a post body extending across the stationary frame and a fastener coupling between the post body and the stationary frame.

In the safety cover for a bellows according to the present invention as described above, the following effects can be expected.

The safety cover for the bellows according to the present invention protects the periphery of the bellows by protecting it, so that even if the bellows is exploded, it is possible to prevent the debris from scattering to the periphery, leading to secondary damage, and the stability is improved.

In particular, since the safety cover for the bellows of the present invention is not directly coupled to the bellows but is installed independently of the bellows by using the fixing post and the fixed frame, the safety cover can be applied without changing the design of the existing bellows. This has a good effect.

In addition, the protective cover for the bellows of the present invention can be selectively coupled with the bellows, so that the degree of opening of the safety cover opening through which the bellows passes can be controlled, which is a more effective safety measure. Various modifications and applications are possible depending on the environment or conditions.

In addition, the protecting portion of the protective member is protruded so as to interfere with one end of the bellows, thereby limiting the degree of extension of the bellows. Accordingly, it is possible to prevent the bellows from being excessively expanded, As a result, the durability and stability of the bellows are improved.

1 is a perspective view showing an embodiment of a safety cover for a bellows according to the present invention applied to a bellows.
Fig. 2 is a perspective view showing a configuration of an embodiment of a safety cover for a bellows according to the present invention; Fig.
3 is a sectional view showing the internal structure of the safety cover for a bellows according to the present invention.
4 is a front view showing a configuration of an embodiment of a safety cover for a bellows according to the present invention.
Fig. 5 is a perspective view showing another embodiment of the safety cover for a bellows according to the present invention; Fig.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference numerals whenever possible, even if they are shown in different drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the understanding why the present invention is not conceived.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) can be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

For convenience of explanation, the bellows 1 will be described first. As shown in Fig. 1, the bellows 1 is formed of a body 2 of a corrugated pipe which is elongated in one direction. The bellows 1 has a tube connected to both ends of the bellows 1 and serves to connect the tubes. More precisely, the bellows 1 can be used in precision instruments requiring high vacuum, stretchability, stability, and vibration absorption.

A first flange and a second flange are provided on both sides of the bellows 1, and different pipes are connected to the bellows 1 so as to interlock the fluid flowing inside the bellows 1. Reference 1 only shows the connection portions 3 and 4 of the pipe connected to the first flange and the second flange. The structure and connection manner of the first flange and the second flange of the bellows 1 can be variously modified.

The bellows 1 needs to prevent the gas in the inside 5 from leaking to the outside. Such gas leakage can be detected through the pressure change in the inside of the bellows 1. [ That is, by observing the sensor 7 connected to the bellows 1, the pressure change of the inside of the bellows 1 can be detected and the abnormality can be detected. Of course, such a sensor 7 may be omitted.

In general, the bellows 1 is likely to explode in the course of use, since a high pressure is generated in the bellows 1 or a substance which easily explodes flows in the bellows 1. Of course, not only the explosion of the inside 5 of the bellows 1 but also the explosion may occur in the vicinity of the bellows 1 due to the leakage of the material of the inside of the bellows 1 to the outside and reaction with air or other substances. Accordingly, there is a need to prevent the secondary damage of the surroundings when such an explosion occurs. Hereinafter, a safety cover for a bellows will be described.

The safety cover for the bellows includes a lower support plate (10). The support plate 10 is seated on the ground to support and support the fixing post 20 to be described below. The support plate 10 is formed in a thin flat plate shape, and the support plate 10 can be fixed to the ground using an anchor bolt or the like. Of course, the support plate 10 may be omitted when the fixing post 20 is directly fixed to the ground.

A fixing post (20) is mounted on the support plate (10). The fixing post 20 is configured to support the bellows safety cover in a state of being spaced apart from the ground, and is composed of a pair. The fixing post 20 is erected perpendicular to the paper surface and a first cover body 36 and a second cover body 37 to be described later are engaged with each other to form a first cover body 36 and a second cover body 36. [ The cover body 37 can be supported.

The fixing post 20 includes a post body 21 to which one end of the fixing post 20 is fixed. The post body 21 may have a long elongated shape extending in one direction, and may have threads formed on its outer surface. One end of the post body 21 is fixed to the support plate 10, and an intermediate portion thereof passes through the fixed frames 31 and 32 to be described below.

A fastener 23 is coupled to the post body 21 and the fastener 23 is coupled to the post body 21 to support the fastening frames 31 and 32. For example, the fastening member 23 is formed of a nut and is coupled to the post body 21, and the fastening frames 31 and 32 are mounted on the fastening body 23 so that the fastening frame is coupled to the post body 21 and supported You can.

The post body 21 may be provided with a spacer 22. The spacer 22 is hollow so that the outer surface of the post body 21 can be wrapped around. The spacers 22 are provided to increase the installation convenience by reducing the distance by which the post body 21 and the fastening holes 23 are fastened. Referring to FIG. 1, The distance through which the fastening tool 23 is fastened to the post body 21 can be shortened.

Between the pair of post bodies 21, a first cover body 36 and a second cover body 37 are provided. The first cover body 36 and the second cover body 37 are coupled to each other to form a cylindrical cover 30. A protection channel S is formed along the length direction. The bellows (1) is located inside the protection channel (S) and protects the surroundings from scattering of fragments when the explosion occurs inside / outside the bellows (1). That is, even if an explosion occurs, it is possible to prevent the debris from clogging on the inner surface of the protection channel S and scattering to the outside.

The first cover body 36 is provided at a relatively upper portion of the second cover body 37, and a first internal space (not shown) having both ends opened is formed along the longitudinal direction. The first inner space together with the second inner space of the second cover body 37 forms a substantially cylindrical solid space, which becomes a protection channel S.

The first cover body 36 is made of a metal material having high hardness, and both sides of the first inner space are opened. The open ends of the first inner space together with both ends of the second inner space of the second cover body 37 form substantially circular openings A1 and A2 and the bellows 1 or a tube connected to the bellows 1 can be extended to the outside.

A first fixing frame 31 is provided on an outer circumferential surface of the first cover body 36. The first fixing frame 31 is for fixing the first cover body 36 to the fixing post 20. In this embodiment, the first fixing frame 31 is fixed to the first cover body 36 ) By welding or the like. Of course, the first fixing frame 31 may not be integrally formed on the outer circumferential surface of the first cover body 36 but may be formed of separate water.

A fastening part 33 is provided at one end of the first fixing frame 31. The fastening part 33 is formed with a post body 21 of the fixing post 20 in a fastening hole 35 formed through the inside of the fastening part 33, . That is, the fastening part 33 is a kind of flange, which is a part that allows the first fixing frame 31 and the first cover body 36 coupled thereto to be coupled to the fixing post 20. [ The fastening portions 33 protrude from both ends of the first fixing frame 31.

In the first cover body 36, a skin 39 is formed. As shown in FIG. 1, the first cover body 36 may have a cut-out shape at one side thereof, as shown in FIG. The diaphragm 39 is for allowing the sensor 7 of the bellows 1 to be exposed to the outside. It is not necessarily required that the edge portion of the first cover body 36 is partially cut and that the first cover body 36 is penetrated or that the sensor 7 is attached to the bellows 1 It may be omitted if it is not provided.

A second cover body (37) is provided on the lower portion of the first cover body (36). The second cover body 37 is shaped to be symmetrical with the first cover body 36, and a second internal space (not designated) having both ends opened is formed along the longitudinal direction. The second inner space together with the first inner space of the first cover body 36 forms a substantially cylindrical solid space, which becomes a protection channel S.

The second cover body 37 is made of a metal material having high hardness, and both sides of the second inner space are open. The opened both ends together with both ends of the first internal space of the first cover body 36 form substantially circular openings A1 and A2 and the both ends of the bellows 1 through the openings A1 and A2 A tube connected to the bellows 1 may extend outwardly.

A second fixing frame 32 is provided on an outer circumferential surface of the second cover body 37. The second fixing frame 32 is for fixing the second cover body 37 to the fixing post 20 and corresponds to the first fixing frame 31 described above. In this embodiment, the second fixing frame 32 is integrally joined to the second cover body 37 by welding or the like. Of course, the second fixing frame 32 may not be integrally formed on the outer circumferential surface of the second cover body 37 but may be formed of separate water.

The fastening part 33 is provided at one end of the second fixing frame 32. The post body 21 of the fixing post 20 is fastened to the fastening hole 35 formed through the fastening part 33, . That is, the fastening portion 33 is a kind of flange and has a structure corresponding to the fastening portion 33 of the first fastening frame 31. Accordingly, when the first fixing frame 31 and the second fixing frame 32 are coupled to each other, the coupling portion 33 is in close contact with the coupling portion 33 of the first fixing frame 31, The fastening holes 35 of the first fastening frame 32 form a continuous path with the fastening holes 35 of the first fastening frame 31 so that the post body 21 can pass therethrough.

The protection channel S formed by the first cover body 36 and the second cover body 37 is a space having a substantially circular cross section and the bellows 1 is provided inside the protection channel S, So that the safety cover for the bellows (1) is wrapped around the bellows (1). Since the protection channel S is open at both ends thereof, fragments may be scattered through the open portion when an explosion occurs inside or outside the bellows 1, so that an opening A1 of the protection channel S , A2).

For this purpose, at least one of the first cover body 36 and the second cover body 37 is provided with a protection piece 40 in a direction in which the openings A1 and A2 of the protection channel S are narrowed. The protection piece 40 may be made of a metal material similar to the first cover body 36 and the second cover body 37. The protective cover 40 may be made of a metal material, And at least to one side thereof serves to reduce the open path of the openings A1 and A2.

The protection piece 40 includes a fixing part 41 coupled to at least one of the first cover body 36 and the second cover body 37 and the opening parts A1 and A2 of the protection channel S, And a protector 45 protruding in a direction to narrow the opening. The fixing portion 41 is detachably coupled to the first cover body 36 or the second cover body 37 and is fastened by the bolt 47 in this embodiment.

The protector 45 extends in a direction orthogonal to the fixing portion 41 and narrows the degree of opening of the openings A1 and A2 so that the protruding portion of the fan-shaped portion has a cut-off shape. The protector 45 may have various shapes, and various modifications such as a simple rectangle or a trapezoid are possible.

The protection piece 40 may be provided with a plurality of openings surrounding the openings A1 and A2 of the protection channel S. In this embodiment, (A1, A2), and four protective pieces (40) are provided on each of the two sides. The protective pieces 40 are spaced apart from each other by a predetermined distance. Of course, the number of the protective pieces 40 is not necessarily limited to this, but may be provided on only one of the openings A1 and A2 of the protection channel S.

As described above, the openings A1 and A2 of the protection channel S can also be blocked to some extent by the protection piece 40 to be blocked from the outside. The protection piece 40 prevents scattering of fragments due to explosion generated in the protection channel S, thereby effectively preventing secondary damage.

The protection piece 40 restricts the degree of tension of the bellows 1 located in the protection channel S. 4, since the diameter R1 of the outlet formed by the protective portion 45 of the protection piece 40 is smaller than the diameter R2 of the bellows 1, the bellows 1 is stretched It is restricted by the protector 45 from further stretching. That is, the protector 45 also serves as a stopper for limiting the extent to which the bellows 1 is stretched.

3, the length of the protection channel S is formed to be larger than that of the bellows 1 so that the bellows 1 are spaced apart from each other by a predetermined distance L1 or L2 within the protection channel S, . However, as described above, the degree of tension of the bellows 1 is limited by the protective portion 45 of the protective piece 40, and therefore, the bellows 1 is excessively extended, Or breakage.

5, the protective piece 40 is not necessarily formed of a plurality of pieces, and one protective piece 40 is formed in a substantially rectangular shape, May be coupled to at least one of the second cover body (36) or the second cover body (37). Of course, the protection piece 40 is not necessarily provided in the first cover body 36 and the second cover body 37, and the safety cover for a bellows according to the present invention is not necessarily provided in the first cover body 36 and / It may be constituted by only the second cover body 37.

Hereinafter, the installation process and use of the safety cover for a bellows according to the present invention will be described.

The installation of the safety cover for the bellows is performed in the vicinity of the bellows (1). That is, a bellows safety cover is installed so as to surround the bellows 1 when the bellows 1 is already installed. However, the bellows safety cover is not necessarily limited to the bellows 1, May be installed.

First, the support plate 10 is installed on the ground for installing the safety cover for the bellows. The support plate 10 may be fixed to the ground using an anchor bolt or the like. The support plate 10 is for supporting the fixing post 20, and the fixing means such as an anchor bolt is omitted in FIG.

The support plate (10) is provided with a fixing post (20). The fixing post 20 includes a post body 21 and a fastening hole 23. One end of the post body 21 is fixed to the support plate 10. This fixation can be accomplished by fastening means 23, in which the fixing posts 20 are constructed in pairs.

When the installation of the fixing post 20 is completed, the second cover body 37 is next installed. The second cover body 37 is fitted from the upper portion of the fixing post 20. More precisely, the fastening portion 33 of the second fixing frame 32 provided on the second cover body 37 is fixed And is fitted in the post 20. The fastening part 33 is passed through the fastening hole 35 and passes through the fastening post 20.

When the fastening portion 33 of the second fixing frame 32 is engaged with the fixing post 20, the second fixing frame 32 and the second cover body 37 are separated from the supporting plate 10 State. This is because a fastener 23 serving as a stopper is provided in the middle of the fixing post 20 so that the edge of the fastening hole 35 of the fastening part 33 is hooked on the fastener 23, The fixed frame 32 is caught without moving further downward.

In this case, in this embodiment, the second fixing frame 32 is integrally formed with the second cover body 37. When the second fixing frame 32 and the second cover body 37 are separately formed The second cover body 37 may be seated on the upper portion thereof after the second fixing frame 32 is installed.

In this state, the fixing post 20 is provided with the first cover body 36. More precisely, the first cover body 36 is provided from the upper portion in a state in which the bellows 1 is placed between the second cover body 37 and the second cover body 37. To this end, the fastening portion 33 of the first fixing frame 31 provided on the first cover body 36 is fitted into the fixing post 20. The fastening part 33 is passed through the fastening hole 35 and passes through the fastening post 20. The fastening portion 33 of the first fastening frame 31 comes into contact with the fastening portion 33 of the second fastening frame 32 while the first fastening frame 31 descends, do. At the same time, the bottom surface of the first cover body (36) is brought into contact with the upper surface of the second cover body (37).

In this case, the first cover body 36 and the second cover body 37 are combined to form one protection channel S.

Next, the fixing post 23 is coupled to the fixing post 20 to fix the first fixing frame 31 and the first cover body 36. The fastening part 23 coupled to the first fastening frame 31 presses the fastening part 33 of the first fastening frame 31 toward the fastening part 33 of the second fastening frame 32, 1 between the stationary frame 31 and the second stationary frame 32. At this time, the spacer 22 may be coupled to the fixing post 20 before the fastener 23 is coupled. The spacer 22 may be spaced apart from the fastener 23 by a distance In order to increase the convenience of installation.

The movement of the first fixing frame 31 and the first cover body 36 may be performed using a ring 31 'provided in the first fixing frame 31. That is, the first fixing frame 31 and the first cover body 36 can easily be lifted and moved by hooking the counterpart to the loop 31 '. Of course, when the first cover body 36, the second cover body 37, the support plate 10, and the fixing post 20 are moved to the installation site in a preassembled state, the loop 31 ' The entire structure can be more easily lifted and moved.

Finally, the protection piece 40 is assembled to the first cover body 36 and the second cover body 37. The protection piece 40 is installed around the openings A1 and A2 of the protection channel S. In this embodiment, the protection piece 40 is assembled using a fastener 23 such as a bolt. When the protection piece 40 is assembled, the protective portion 45 of the protection piece 40 protrudes in a direction to narrow the opening degree of the opening portions A1 and A2, Thereby more effectively preventing the explosion generated from being externally affected.

When the safety cover for bellows is installed as described above, the periphery of the bellows 1 is covered and protected, thereby preventing the fragments from scattering to the periphery and leading to secondary damage even if the bellows 1 explodes. Particularly, as described above, the safety cover for the bellows of the present invention is not directly coupled to the bellows 1 but is provided independently of the bellows 1 by using the fixing post 20 and the fixed frame, ) Can be applied without modification of the design.

It should be understood that the present invention is not necessarily limited to these embodiments because all of the elements constituting the embodiment according to the present invention are described as being combined or operated as a single unit. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them. Furthermore, the terms "comprises", "comprising", or "having" described above mean that a component can be implanted unless otherwise specifically stated, But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted to be consistent with the contextual meanings of the related art, and are not to be construed as ideal or overly formal, unless expressly defined in the art.

10: support plate 20: fixing post
21: post body 30: cover housing
31: first fixed frame 32: second fixed frame
33: fastening part 36: first cover body
37: second cover body 40: protection piece
41: fixed station 45:
S: protection channel

Claims (10)

A first cover body having a first inner space opened at both ends along a longitudinal direction,
A second cover body coupled to the first cover body and having a second internal space opened at both ends thereof along the length thereof,
And a fixing post coupled to at least one of the first cover body and the second cover body to fix the first cover body and the second cover body to the ground,
When the first cover body and the second cover body are coupled to each other, the first inner space and the second inner space form a protection channel for covering the periphery of the bellows,
At least one of the first cover body and the second cover body is provided with a protective piece in a direction to narrow the opening of the protection channel,
The protection piece
A fixing unit coupled to at least one of the first cover body and the second cover body,
And a protective portion protruding in a direction to narrow the opening of the protection channel.
delete delete The safety cover for a bellows according to claim 1, wherein the fixing portion is detachably coupled to at least one of the first cover body and the second cover body.
The safety cover for a bellows according to claim 1, wherein the protective piece is provided with a plurality of openings surrounding the opening of the protection channel.
The safety cover for a bellows according to claim 1, wherein a diameter (R1) of an outlet formed by the protective portion of the protective piece is smaller than a diameter (R2) of the bellows, so that a length of the bellows is limited by the protective portion.
[2] The apparatus of claim 1, wherein a first fixing frame and a second fixing frame are coupled to an outer circumferential surface of the first cover body and the second cover body, respectively, and the fixing post is fixed to both ends of the first fixing frame and the second fixing frame Safety cover for bellows to be combined.
[8] The apparatus of claim 7, wherein the first fixing frame and the second fixing frame each surround an outer circumferential surface of the first cover body and the second cover body, and both ends thereof have fastening portions formed with fastening holes through which the fixing posts pass Safety cover for bellows.
The safety cover for a bellows according to claim 1, wherein the first cover body or the second cover body is provided with a relief portion for protruding the bellows sensor of the bellows.
8. The apparatus of claim 7, wherein the securing post
A post body extending across the first and second stationary frames,
And a fastener for engaging the post body with the first fixed frame and the second fixed frame, respectively.




KR2020150008193U 2015-12-14 2015-12-14 Safety cover for bellows KR200484363Y1 (en)

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JP3167311U (en) * 2011-02-03 2011-04-14 寿産業株式会社 Piping support bracket
KR101524640B1 (en) * 2013-01-16 2015-06-04 한국남부발전 주식회사 Transfer tube and manufacture method the same

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JP3167311B2 (en) * 1990-01-26 2001-05-21 日立マクセル株式会社 Multi-signal conversion element and recording / reproducing device
JP2015132279A (en) * 2014-01-09 2015-07-23 Ｊｆｅ継手株式会社 Pipe joint

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