CN202469375U - Protection cover for bending part of pipe body - Google Patents
Protection cover for bending part of pipe body Download PDFInfo
- Publication number
- CN202469375U CN202469375U CN2012200394315U CN201220039431U CN202469375U CN 202469375 U CN202469375 U CN 202469375U CN 2012200394315 U CN2012200394315 U CN 2012200394315U CN 201220039431 U CN201220039431 U CN 201220039431U CN 202469375 U CN202469375 U CN 202469375U
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- nappe
- internal diameter
- kink
- fastening
- curved part
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Abstract
The utility model relates to a protection cover for a bending part of a pipe body. A fastening part in fastening contact can be prevented from being pressed against an inner ring of the bending part of the pipe body when the protection cover is installed on the pipe body, and installation performance is improved. The protection cover comprises a first inner ring covering body and a second inner ring covering body, wherein opposite ends of the first inner ring covering body and the second inner ring covering body are in free fastening connection with each other; one of the first inner ring covering body and the second inner ring covering body comprises a primary bending part, a secondary bending part, a substantially-V-shaped groove part and fastening clamping teeth, and fastening teeth which are freely fastened with the fastening clamping teeth are formed at the end of the other inner ring covering body; a fastening connection part which is formed by fastening connection of the first inner ring covering body and the second inner ring covering body is gradually thinned from the center to the side edge; and the pipe body is wrapped in the state that the side edge is tightly attached to the inner ring surface of the pipe body.
Description
Technical field
The utility model relates to a kind of body curved part safety cover, is used to protect the thermal-protective material that covers body and body surface, particularly the body curved part safety cover of protection body curved section.
Background technique
In the past, the body for supplying with high temperature or cryogenic gas carried out heat exchange in order to prevent gas inside, fluid and outside atmosphere, and at the surface coverage thermal-protective material of body.Because of above-mentioned thermal-protective material poor durability comparatively speaking; Thereby the safety cover that installation is formed by iron plate or corrosion resistant plate etc. on this thermal-protective material; And cover and to comprise thermal-protective material at interior whole body, thereby protect this thermal-protective material, make thermal-protective material more effectively bring into play effect of heat insulation.
Aforesaid safety cover has the safety cover of the special use that is suitable for straight-tube portion and curved section respectively.Especially at the employed safety cover of curved section; The external diameter nappe and the internal diameter nappe that covers body curved part internal diameter side face from both sides that utilize elastic material will cover the external diameter side face of body curved part link into an integrated entity; This internal diameter nappe is provided with and can be installed on relative end body, that can expand out; And this end can freely fasten (for example with reference to patent documentation 1) each other.
Fig. 9 is the sectional view of mode of execution of the body curved part safety cover 100 of the above-mentioned existing technology of expression; As shown in Figure 9; Existing body curved part safety cover 100 is linked into an integrated entity by external diameter nappe 51 and internal diameter nappe 52 and forms; Wherein external diameter nappe 51 covers the outer diameter part of body 50 curved parts that comprise thermal-protective material 60, and internal diameter nappe 52 is corresponding to the shape of the internal diameter of body 50 curved parts.In this internal diameter nappe 52; Locating with the corresponding part of the inside diameter of body 50; Direction to intersecting with body 50 side faces is separated; And form respectively and corresponding two the internal diameter nappes 52,52 in the bi-side of body 50 curved parts, this two internal diameter nappes 52,52 freely are fastened and connected in relative separately end.
The fastening structure that these two internal diameter nappes 52,52 are fastened each other is that a side is inserted the opposing party inside and makes it fasten so-called male and female structure.
[existing technology document]
[patent documentation]
[patent documentation 1] Japanese Utility Model patent discloses clear 60-194696 communique
But; When adopting the buckling part 53 of this male and female structure; Female buckling part is relative with male buckling part, and in female buckling part, inserting should the hero buckling part, therefore; This female buckling part thickness is increased form protuberance 55, this protuberance 55 makes the internal surface of internal diameter nappe 52 separate with body.As shown in Figure 9, this protuberance 55 is roughly the same with the width L of internal diameter nappe 52, when therefore installing; Body 50 is impacted from 56 pairs of internal diameters of opening portion that curved part safety cover 100 stretches out; When this curved part safety cover 100 was installed on body 50, this protuberance 55 was conflicted with the inside diameter surface of body 50, in Fig. 9; Conflict with the inside diameter surface of the thermal-protective material 60 that covers body 50, hinder and install.
Because this protuberance 55 is conflicted with the inside diameter surface of body 50, make internal diameter nappe 52 is applied from the power in the interior direction finding outside, the relative angle generation minor variations that left and right sides internal diameter nappe 52,52 is become.Therefore, when inserting male buckling part in the female buckling part, can not keep suitable insertion angle, make the operation that fastens two internal diameter nappes 52,52 become difficult.
Further; The top corner part 54 of protuberance 55 is conflicted with the curved part internal diameter of body 50 and thermal-protective material 60; Make to form end difference 58 between the buckling part 53 of the curved part inside diameter surface of body 50 and thermal-protective material 60 and the curved part safety cover 100 of installing, outward appearance is not good.
Further; In the body 50 curved part safety covers 100 of above-mentioned existing technology, at 3 kink places, with the sheet metal bending that constitutes its male and female buckling part 52 three times; Be cut into the shape of internal diameter nappe 52 then with swaging die; Therefore, expose section, want SC when taking otherwise can be by scratch at the side end of buckling part.
In order to address the above problem; Can make the buckling part of two internal diameter nappes be positioned at outer surface one side of internal diameter nappe; Though improve with the body installation capability this moment, the outward appearance after accomplishing is not good, and the top corner part of buckling part is exposed to the safety cover surface; Therefore sell or assembling operation etc. in, want SC when taking otherwise can be by scratch.These problems also need to be resolved hurrily.
The model utility content
The utility model is because the problems referred to above provide a kind of body curved part safety cover, and it prevents to make the curved part internal diameter of its buckling part that is fastened and connected and body to conflict when being installed on body, improves installation capability.
In order to solve above-mentioned problem; The body curved part protecting jacket of the utility model; It is made up of elastic material, connect to cover the external diameter nappe and the internal diameter side face internal diameter nappe that covers the body curved part of the external diameter side face of body curved part integratedly, it is characterized in that: the inner-diameter portion whose that makes said internal diameter nappe is separated to the direction of intersecting with body; Form the first internal diameter nappe and the second internal diameter nappe; Each relative end freely is fastened and connected, and in said first, second internal diameter nappe, a side internal diameter nappe has: the kink that the bending to the inside of its end is formed; With the turnover laterally halfway of the prolongation of a kink, with this kink relatively and the secondary kink that forms; Be formed on the roughly V font slot part between this a secondary kink and the said kink; The fastening latch that is bent to form to the inside with prolongation with said secondary kink; The opposing party's internal diameter nappe; Has the fastening tooth that freely fastens with said fastening latch in its end; Said secondary kink and the acutangulate angle of said fastening latch; Roughly the same with said internal diameter nappe and the acutangulate angle of said fastening tooth institute; Width between the two side ends edge of a said kink is below the width between a said side's two side ends edge, internal diameter nappe end, and the two side ends edge almost parallel of a said kink, and the width between the two side ends edge of said secondary kink is less than the width between the two side ends edge of a said kink; And the two side ends edge almost parallel of said secondary kink; Width between the two side ends edge of said fastening latch is below the width between the two side ends edge of said secondary kink, and the two side ends edge almost parallel of said fastening latch, the thickness of the part that is fastened and connected that forms when said first internal diameter nappe and the said second internal diameter nappe are fastened and connected; To the attenuation gradually of side edge part, under the state that the inside diameter surface that makes side edge part and said body is adjacent to, wrap up body from central part.
In addition; The characteristic of above-mentioned body curved part safety cover also is: a said kink greater than the length of said secondary kink on overbending direction, becomes the guide portion that the end of said the opposing party's internal diameter nappe is guided to said roughly V font slot part in the length on the overbending direction.
In addition; The characteristic of above-mentioned body curved part safety cover also is: when the end with said the opposing party's internal diameter nappe embeds the slot part of the said roughly V of the internal diameter nappe font that is formed at a said side; Said fastening latch and said fastening tooth are interlocked; And connect the relative end of said first, second internal diameter nappe, two internal diameter nappes are become one.
In addition, the characteristic of above-mentioned body curved part safety cover also is: in the said internal diameter nappe, at least one side in said fastening latch and the said fastening tooth is provided with multistage continuously on the direction of leaving each other in relative end.
[model utility effect]
In the body curved part protecting jacket of above-mentioned the utility model; It is made up of elastic material; The external diameter nappe and the internal diameter side face internal diameter nappe that covers the body curved part that connect the external diameter side face that covers the body curved part integratedly; It is characterized in that: the inner-diameter portion whose that makes said internal diameter nappe is separated to the direction of intersecting with the body side face, forms the first internal diameter nappe and the second internal diameter nappe, and each relative end freely is fastened and connected; In said first, second internal diameter nappe, a side internal diameter nappe has: the kink that the bending to the inside of its end is formed; With the turnover laterally halfway of the prolongation of a kink, with this kink relatively and the secondary kink that forms; Be formed on the roughly V font slot part between this a secondary kink and the said kink; The fastening latch that is bent to form to the inside with prolongation with said secondary kink; The opposing party's internal diameter nappe; Has the fastening tooth that freely fastens with said fastening latch in its end; Said secondary kink and the acutangulate angle of said fastening latch; Roughly the same with said internal diameter nappe and the acutangulate angle of said fastening tooth institute; Width between the two side ends edge of a said kink is below the width between a said side's two side ends edge, internal diameter nappe end, and the two side ends edge almost parallel of a said kink, and the width between the two side ends edge of said secondary kink is less than the width between the two side ends edge of a said kink; And the two side ends edge almost parallel of said secondary kink; Width between the two side ends edge of said fastening latch is below the width between the two side ends edge of said secondary kink, and the two side ends edge almost parallel of said fastening latch, the thickness of the part that is fastened and connected that forms when said first internal diameter nappe and the said second internal diameter nappe are fastened and connected; To the attenuation gradually of side edge part, under the state that the inside diameter surface that makes side edge part and said body is adjacent to, wrap up body from central part.Therefore; When fastening two internal diameter nappes are installed on the body curved part with body curved part safety cover; The thickness of part is to the attenuation gradually of the two side ends edge of internal diameter nappe owing to be fastened and connected, and the part that can prevent to be fastened and connected is conflicted with body curved part inside diameter surface, therefore; Can improve installation capability, effectively protect the body curved part body curved part safety cover and body.Further; Because secondary kink and the acutangulate angle of fastening latch; Roughly the same with the internal diameter nappe with a fastening tooth acutangulate angle; Therefore in the time of in the roughly V font slot part that the end of the opposing party's internal diameter nappe is inserted the internal diameter nappe that is formed at a side, the outer surface that fastens latch can slide with the outer surface that fastens tooth each other, can make the fastening latch successfully cross the fastening tooth.In addition, when fastening tooth and fastening the latch fastening, fasten latch and can not conflict, be easy to just can make fastening latch and fastening tooth to fasten securely with the adjacent fastening tooth that does not play the fastening effect.
In addition; The characteristic of above-mentioned body curved part safety cover also is: a said kink greater than the length of said secondary kink on overbending direction, becomes the guide portion that the end of said the opposing party's internal diameter nappe is guided to said roughly V font slot part in the length on the overbending direction.Therefore, when fastening two internal diameter nappes, utilize guide portion to guide to very naturally roughly in the V font slot part with having the internal diameter nappe that fastens tooth, thereby, more easily body curved part safety cover is installed on body.
In addition; The characteristic of above-mentioned body curved part safety cover also is: when the end with said the opposing party's internal diameter nappe embeds the slot part of the said roughly V of the internal diameter nappe font that is formed at a said side; Said fastening latch and said fastening tooth are interlocked; And connect the opposed end of said first, second internal diameter nappe, two internal diameter nappes are become one.Therefore; From internal diameter nappe to time kink, from a kink to the secondary kink, from the secondary kink to fastening latch; Plate is wide to narrow down gradually; Can make the thickness of buckling part side edge part thin as far as possible, in the time of can preventing to be installed on body, the attachment portion of two internal diameter nappes and body curved part internal diameter be conflicted.
In addition, the characteristic of above-mentioned body curved part safety cover also is: in the said internal diameter nappe, at least one side in said fastening latch and the said fastening tooth is provided with multistage continuously on the direction of leaving each other in relative end.Therefore, when fastening, can make two internal diameter nappes be positioned at the corresponding position of diameter with the body that is wrapped up, positively install at the place at the body curved part, can protect the body curved part effectively.
Description of drawings
Fig. 1 is the stereogram of the body curved part safety cover of this mode of execution.
Fig. 2 is the plan view of the body curved part safety cover of this mode of execution.
Fig. 3 is the plan view of the body curved part safety cover of this mode of execution.
Fig. 4 is the profile of the body curved part safety cover of this mode of execution.
Fig. 5 is the figure that amplifies the buckling part in the internal diameter nappe of body curved part safety cover of this mode of execution of expression.
Fig. 6 is the figure that amplifies the fastening tooth in the internal diameter nappe of body curved part safety cover of this mode of execution of expression.
Fig. 7 is the figure that amplifies the buckling part buckling state in the internal diameter nappe of body curved part safety cover of this mode of execution of expression.
Fig. 8 is the sectional view that expression is installed on the body curved part safety cover of this mode of execution the state of body curved part.
Fig. 9 is the sectional view of the mode of execution of the existing body curved part safety cover of expression.
Symbol description
1 external diameter nappe
The 2a first internal diameter nappe
The 2b second internal diameter nappe
The female buckling part of 3a
The male buckling part of 3b
5 bodys
6 thermal-protective materials
7 kinks
8 secondary kinks
9 fasten latch
10 body curved part safety covers
11V font slot part
15 protuberances
19 fasten tooth
Embodiment
Below, the preferred forms of accompanying drawings the utility model.Fig. 1 is the stereogram of the body curved part safety cover of this mode of execution.Fig. 2 is the plan view of the body curved part safety cover of this mode of execution.Fig. 3 is the plan view of the body curved part safety cover of this mode of execution.Fig. 4 is the profile of the body curved part safety cover of this mode of execution.
Like Fig. 1～shown in Figure 4; The body curved part safety cover 10 (being designated hereinafter simply as curved part safety cover 10) of this mode of execution is linked into an integrated entity by external diameter nappe 1 and internal diameter nappe 2 and forms; Wherein external diameter nappe 1 covers the external diameter side face of body 5 curved parts, and internal diameter nappe 2 covers the internal diameter side face (with reference to Fig. 8) of body curved part.
As shown in Figure 2; External diameter nappe 1 is that the tetragonal sheet metal 20,21 with multiple shape bends to semicircle; And through welding a plurality of semicircle sheet metals connections, formation makes the roughly shape of 90 degree of roughly semicylindrical body bending, with corresponding with the body curved shape.
The sheet metal of internal diameter nappe 2 bends to the shape that can cover body 5 curved part internal diameters, forms towards the shape of the direction narrowed width of the curved part internal diameter of body 5, and internal diameter nappe 2 and this external diameter nappe 1 are connected as one.
When this curved part safety cover 10 is installed on the curved part of body 5; Two internal diameter nappe 2a, 2b from outside diameter clamp body 5 curved part and with its covering; Body 5 is contained within the curved part safety cover 10; And in the curved part inner radius of body 5, with buckling part 3 fastenings of internal diameter nappe 2.Curved part safety cover 10 is characterised in that this buckling part 3, specifies this buckling part 3 below.
In addition, this external diameter nappe 1 and internal diameter nappe 2 are formed by elastic material, are adjacent to the curved part of body 5 as far as possible during installation.
Fig. 5 is the enlarged view of the buckling part 3 in the internal diameter nappe 2 of body curved part safety cover 10 of this mode of execution, and wherein, Fig. 5 (a) is a plan view, and Fig. 5 (b) is a profile.
Shown in Fig. 5 (a) and (b); Buckling part 3 forms; One square end portion is inserted in the opposing party end and that fasten, so-called male and female structure comprise: be arranged at the first internal diameter nappe 2a the end female buckling part 3a and be arranged at the male buckling part 3b of the end of the second internal diameter nappe 2b.
Female buckling part 3a is a clamping structure, and male buckling part 3b can be inserted in its inside, and this clamping structure be made up of 3 kinks of the end that is formed on the first internal diameter nappe 2a, and this clamping structure is set at internal surface one side of the first internal diameter nappe 2a.
This female buckling part 3a has: the kink 7 that the end of the first internal diameter nappe 2a is bent to form to the inside; With the bending laterally halfway of the prolongation of this kink 7, and the secondary kinks 8 that form relatively with this kink 7; The prolongation of this secondary kink 8 is bent to form to the inside, as the fastening latch 9 of three kinks, in the relative part of a secondary kink 8 and a kink 7, form the roughly V font slot part 11 that the male buckling part 3b that states after making inserts.
The two side ends edge 7a, the width between 7b that makes a kink 7 and makes two side ends edge 7a, the 7b almost parallel of a kink 7 below the two side ends edge 2a1 of the first internal diameter nappe 2a end, width between 2a2.The two side ends edge 8a, the width between 8b that makes second kink 8 is littler than the two side ends edge 7a of a kink 7, width between 7b, and makes two side ends edge 8a, the 8b almost parallel of secondary kink 8.Make two side ends edge 9a as the fastening latch 9 of three kinks, the width between 9b below the width between the two side ends edge of secondary kink 8 8a, 8b, and make two side ends edge 9a, the 9b almost parallel that fastens latch 9.Through forming said structure, utilize kink 7, secondary kink 8 and as the fastening latch 9 of three kinks, make the thickness of female buckling part 3a of internal diameter nappe 2a from the central part of female buckling part 3a to the attenuation gradually of side edge.
Promptly; As shown in Figure 5; In female buckling part 3a, make the wide L1 of trapezoidal end panel of internal diameter nappe 2a, a kink 7 the wide L2 of plate, secondary kink 8 the wide L3 of plate and be L1 >=L2＞L3 >=L4 as the wide L4 of plate of the fastening latch 9 of three kinks, in the buckling part 3; The part of the wide L3 of plate is the thickest, and its thickness is to both sides of the edge attenuation gradually.
In the roughly V of this female buckling part 3a font slot part 11, inserting male buckling part 3b also fastens with it; Shown in Fig. 5 (a) and (b); This hero buckling part 3b is formed near the end of the second internal diameter nappe 2b, has a plurality of fastening teeth 19 that the fastening latch 9 with female buckling part 3a is interlocked.This fastens tooth 19 is the bump body of giving prominence to inner surface side from the outer surface side of the second internal diameter nappe 2b, near the end of the second internal diameter nappe 2b, is arranged in 3 rows, 3 row.
This fastens tooth 19; Be the notch 18 that will form otch at its width direction, divide 3 groups to line up 3 row and be arranged near the end of the second internal diameter nappe 2b, the lateral edge portion with this notch 18 extrudes from outer surface one lateral inner surface one side; And make it outstanding, become protrusion shape.
9 acutangulate angle θ of secondary kink 8 and fastening latch
1, with 19 acutangulate angle θ of internal diameter nappe 2b and fastening tooth
2Roughly the same.
Fig. 6 is the enlarged view that expression fastens the outstanding shape of tooth 19, and is as shown in Figure 6, for fastening tooth 19, the lateral end of notch 18 is given prominence to and formation protrusion shape, so the distolateral limit 18a on a limit of notch 18 becomes outstanding state.This distolateral limit 18a is used to fasten the fastening latch 9 that is arranged at female buckling part 3a.
As stated; Because the fastening tooth 19 that will fasten with the fastening latch 9 of female buckling part 3a forms the form with many groups; Therefore can be according to its closed position of diameter adjustment of the body that is surrounded 5; Thereby when making this curved part safety cover 10, can make dimensional accuracy abundant, and make cheap for manufacturing cost.
In addition, instrument capable of using etc. easily form and should fasten tooth 19, and for example this instrument forms the sheet metal of the second internal diameter nappe 2b etc. from sandwich, and have can form the notch tooth and with this otch to side extruding and make it form the projection of bump.
In this mode of execution, this fastens 19 fens 3 groups of rows, 3 row of tooth, but is not limited to this, as long as first, second internal diameter nappe 2a, 2b are positively fastened each other.For example, also can make this fastening tooth 19 be 1 group and arrange two row, also can be to be provided with 1 to fasten tooth 19, makes its whole width direction setting along the second internal diameter nappe 2b.
Fig. 7 (a)～(c) is the figure of expression when male buckling part 3b and female buckling part 3a are interlocked.When male buckling part 3b and female buckling part 3a are fastened, male buckling part 3b is inserted in the slot part 11 of the roughly V font that forms between kink 7 and the secondary kink 8 of female buckling part 3a, reach and cross the state fastening down that fastens tooth 19 fastening latch 9.
At this moment, utilize the guide portion G that is arranged at female buckling part 3a that male buckling part 3b and female buckling part 3a are fastened.Promptly; Shown in Fig. 7 (a); At the end 2b1 that makes male buckling part 3b with after the guide portion G of female buckling part 3a contacts; Shown in Fig. 7 (b), (c), the end 2b1 that makes male buckling part 3b continues slip to V font slot part 11 in along guide portion G, thereby can be easily the end 2b1 of male buckling part 3b be inserted in the V font slot part 11.
At this moment, fastening latch 9 is crossed fastened tooth 19, because 9 acutangulate angle θ of secondary kink 8 and fastening latch
1, with 19 acutangulate angle θ of internal diameter nappe 2b and fastening tooth
2Roughly the same, face slip each other between the outer side surface 9c that therefore fastens latch 9 and the outer side surface 19a that fastens tooth 19 can be successfully be inserted into the end 2b1 of male buckling part 3b in the V font slot part 11.
Cross and fasten tooth 19 and when being inserted into V font slot part 11 in, fastening latch 9 and fasten automatically when fastening latch 9 with fastening tooth 19.At this moment, because 9 acutangulate angle θ of secondary kink 8 and fastening latch
1, acutangulate angle θ with 19 in tooth of fastening with internal diameter nappe 2b
2Roughly the same, therefore shown in Fig. 7 (c), fastening latch 9 can not conflicted with the fastening tooth that does not fasten as yet 19, is easy to just can make fastening latch 9 and fastening tooth 19 firmly to fasten.
Elastic force or external force to the 3 effect curved part safety covers 10 of the buckling part after fastening as stated self; Apply thus and make two internal diameter nappe 2a, 2b to the power that is separated from each other direction; But; In the second internal diameter nappe 2b, the fastening latch of female buckling part 3a 9 can prevent thus that with to be arranged in 3 groups the fastening tooth 19 any one group of end edge 18a that fastens tooth 19 inconsistent and fasten internal diameter nappe 2a, 2b from moving and positively fastening to separated direction.
As stated, as two internal diameter nappe 2a in the buckling part 3, when 2b becomes the state of mutual fastening, buckling part 3 is the thinnest at its thickness direction upside edge part, and towards the direction of leaving this side edge part, thickness increases gradually.
Particularly, from the side edge part of buckling part 3 central part to buckling part 3, thickness increases with the degree of miter angle roughly.In addition, being not limited thereto, is below 45 degree as long as form the angle of this thickness.
The plate of first kink 7 on the wide and female buckling part 3a of plate of the front end of male buckling part 3b is wide corresponding, and its shape is easy to be inserted into the roughly V font slot part 11 that is formed between first kink 7 and the secondary kink 8.And, there is not special qualification for the plate of this hero buckling part 3b is wide, as long as can be wide after being inserted into the roughly V font slot part 11 of female buckling part 3a with the plate that fastening latch 9 positively fastens.
When above-mentioned body curved part safety cover 10 is installed on body 5; The end face of the first internal diameter nappe 2a and the second internal diameter nappe 2b is drawn back to the direction of leaving each other; And be that body 5 is through this end of drawing back; Be held on the first internal diameter nappe 2a and the second internal diameter nappe 2b from curved part external diameter one side, thereby body is wrapped.External diameter nappe 1 and external diameter nappe 2 are formed by elastic material, therefore when wrapping up body 5, can be adjacent to the curved part of body 5.In buckling part 3, first, second internal diameter nappe 2a, 2b are fastened each other, and be installed on body 5.
As stated, owing to make the side edge of buckling part 3 thin as far as possible, and make protuberance 15 as far as possible little, therefore when curved part safety cover 10 is installed on the curved part of body 5, can prevent that the curved part internal diameter of this protuberance 15 and body 5 from conflicting, improve installation capability.
Fig. 8 is an embodiment's the figure that expression is installed on curved part safety cover 10 curved part of body 5.In Fig. 8, represented to cover thermal-protective material 6, and curved part safety cover 10 has been installed in the state outside this thermal-protective material 6 at the side face of body 5.And, abbreviate the body that is coated with thermal-protective material 65 as body 5.
As shown in Figure 8, when in that buckling part 3a, 3b are fastened each other this curved part safety cover 10 being installed on the curved part of body 5, the straight-tube portion of body 5 stretches out from the opening portion 16 of curved part safety cover 10.3 one-tenth of the straight-tube portion of the body 5 that stretches out from opening portion 16 at this moment, and the buckling parts of internal diameter nappe 2 be miter angle roughly.
The curved part inside diameter surface of body 5 and the edge part of opening portion 16 are adjacent to, and under the crooked state of the approaching direction of the protuberance of buckling part 3 15, place curved part safety cover 10 inboards.
At this, in the buckling part 3, make its side edge part thin as far as possible, protuberance 15 is as far as possible little.Particularly, in the buckling part 3, direction increases thickness with miter angle gradually to the inside from its side edge.Therefore, when parcel body 5, buckling part 3 is not conflicted, parcel body 5 under the state that the side edge part of inside diameter surface that makes body 5 and buckling part 3 is close to the inside diameter surface of body 5.
As stated; Make protuberance 15 approaching as far as possible with the curved part inside diameter surface of body 5; Thereby first, second internal diameter nappe 2a in the buckling part 3, the edges at two ends of 2b are contacted with the curved part inside diameter surface of body 5, can more closely curved part safety cover 10 be installed on body 5.
When this curved part safety cover 10 is installed on body; The top corner part 14 of protuberance 15 can not conflicted with the curved part inside diameter surface of body 5; And can successfully carry out installation exercise; And female buckling part 3a and male buckling part 3b are in be convenient to insert the roughly suitable opposed angle of V font slot part 11, can easily fasten operation, can successfully carry out installation exercise.
A mode of execution of the body curved part safety cover of the utility model has been described more than, but has been not limited to above-mentioned embodiment that those skilled in the art can carry out various distortion in the scope of the technological thought of the utility model.
Claims (4)
1. body curved part safety cover, it is made up of elastic material, connects the external diameter nappe and the internal diameter side face internal diameter nappe that covers the body curved part of the external diameter side face that covers the body curved part integratedly, it is characterized in that:
The inner-diameter portion whose of said internal diameter nappe is separated to the direction of intersecting with the body side face, forms the first internal diameter nappe and the second internal diameter nappe, and relative end separately freely is fastened and connected,
Side's in said first, second internal diameter nappe internal diameter nappe has: the end of a said side's internal diameter nappe is a crooked to the inside and kink forming; With the turnover laterally halfway of the prolongation of a said kink, with this kink relatively and the secondary kink that forms; Be formed on the roughly V font slot part between this a secondary kink and the said kink; The fastening latch that is bent to form to the inside with prolongation with said secondary kink,
The opposing party's in said first, second internal diameter nappe internal diameter nappe has the fastening tooth that freely fastens with said fastening latch in its end,
Said secondary kink and the acutangulate angle of said fastening latch, roughly the same with said internal diameter nappe and the acutangulate angle of said fastening tooth institute,
Width between the two side ends edge of a said kink is below the width between a said side's two side ends edge, internal diameter nappe end, and the two side ends edge almost parallel of a said kink,
Width between the two side ends edge of said secondary kink is less than the width between the two side ends edge of a said kink, and the two side ends edge almost parallel of said secondary kink,
Width between the two side ends edge of said fastening latch is below the width between the two side ends edge of said secondary kink, and the two side ends edge almost parallel of said fastening latch,
The thickness of the part that is fastened and connected that forms when said first internal diameter nappe and the said second internal diameter nappe are fastened and connected to the attenuation gradually of side edge part, wraps up body from central part under the state that the inside diameter surface that makes side edge part and said body is adjacent to.
2. body curved part safety cover as claimed in claim 1 is characterized in that:
A said kink greater than the length of said secondary kink on overbending direction, becomes the guide portion that the end of said the opposing party's internal diameter nappe is guided to said roughly V font slot part in the length on the overbending direction.
3. body curved part safety cover as claimed in claim 1 is characterized in that:
When the end with said the opposing party's internal diameter nappe embeds the slot part of the said roughly V of the internal diameter nappe font that is formed at a said side; Said fastening latch is interlocked with said fastening tooth and is connected the relative end of said first, second internal diameter nappe, and two internal diameter nappes are become one.
4. like each described body curved part safety cover in the claim 1～3, it is characterized in that:
In the said internal diameter nappe, at least one side in said fastening latch and the said fastening tooth is provided with multistage continuously on the direction of leaving each other in relative end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200394315U CN202469375U (en) | 2012-02-08 | 2012-02-08 | Protection cover for bending part of pipe body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200394315U CN202469375U (en) | 2012-02-08 | 2012-02-08 | Protection cover for bending part of pipe body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202469375U true CN202469375U (en) | 2012-10-03 |
Family
ID=46917533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200394315U Expired - Lifetime CN202469375U (en) | 2012-02-08 | 2012-02-08 | Protection cover for bending part of pipe body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202469375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105683642A (en) * | 2013-11-11 | 2016-06-15 | 东仁工程株式会社 | Pipe insulation apparatus having finishing cover of compression-bonded structure |
-
2012
- 2012-02-08 CN CN2012200394315U patent/CN202469375U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105683642A (en) * | 2013-11-11 | 2016-06-15 | 东仁工程株式会社 | Pipe insulation apparatus having finishing cover of compression-bonded structure |
| CN105683642B (en) * | 2013-11-11 | 2017-02-22 | 东仁工程株式会社 | Pipe insulation apparatus having finishing cover of compression-bonded structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |