CN209198843U - A kind of explosion separation structure - Google Patents

Abstract

The embodiment of the present application discloses a kind of explosion separation structure, including translucent cover and flange, mounting hole and the circle clamping groove around mounting hole setting are provided on the flange, the clamping groove has the identical anchor ring away from the mounting hole, the translucent cover includes top and the open end opposite with the top and the first cyclic annular hook of circle for surrounding open end setting, and the opening of the described first cyclic annular hook is towards the top and with the first hook inner peripheral surface towards the open end；The top can pass through the mounting hole and fasten the clamping groove mutually with the described first cyclic annular hook, and the identical anchor ring and the first hook inner peripheral surface fit closely.The embodiment of the present application is realized using clamping groove and the first cyclic annular hook mutual cooperation and is stopped translucent cover because of the technical effect that deformation occurs and deviates from.

Description

A kind of explosion separation structure

Technical field

This application involves flameproof technology field more particularly to a kind of explosion separation structures.

Background technique

With the continuous improvement of security standard, adopted in the environment containing imflammable gas dust using images such as video cameras It is increasingly common to collect equipment, lights the flammable of external environment to avoid the explosion inside device housings from not destroying device housings Property mixture, generally require using with translucent cover explosion separation structure.Currently, dispensing is used only in translucent cover and flameproof enclosure mostly Structure is combined, and when internal explosion occurs, translucent cover is easy to happen deformation and deviates from, and there are security risks.

Utility model content

The embodiment of the present application provides a kind of explosion separation structure, and providing one kind can prevent explosion time translucent cover due to deformation occurs The explosion separation structure of abjection.

The embodiment of the present application adopts the following technical solutions:

The embodiment of the present application provides a kind of explosion separation structure, including translucent cover and flange, is provided with installation on the flange Hole and the circle clamping groove being arranged around the mounting hole, the clamping groove have the identical anchor ring away from the mounting hole, The translucent cover includes top and the open end opposite with the top and first ring of circle around open end setting Shape hook, the opening of the described first cyclic annular hook is towards the top and with the first hook inner circumferential towards the open end Face；The top can pass through the mounting hole and fasten the clamping groove mutually with the described first cyclic annular hook, the kiss Cyclization face and the first hook inner peripheral surface fit closely.

It further include pressure ring as preferred embodiment, the pressure ring has the pressure ring outer peripheral surface away from the open end, The translucent cover further includes the second cyclic annular hook of circle around open end setting, the opening of the described second cyclic annular hook with The opening of described first cyclic annular hook mutually deviates from and has the second hook inner peripheral surface towards the open end；The pressure ring with Described second cyclic annular hook can be fastened mutually and fit closely the pressure ring outer peripheral surface with the second hook inner peripheral surface.

It further include buffer gasket as preferred embodiment, the open end has open end, the buffer gasket It is arranged between the pressing plate and the open end.

It further include bolt assembly as preferred embodiment, the pressure ring offers the first fixation hole, the flange pair First fixation hole is answered to offer the second fixation hole, the pressure ring and the flange pass through the bolt assembly and described first The cooperation of fixation hole and second fixation hole is fixedly connected.

As preferred embodiment, the translucent cover has clamping ring of the ring around the open end, the clamping Ring includes cyclic annular bottom wall and annular sidewall, and the ring-type bottom wall is connected with the open end, and the annular sidewall is around described Cyclic annular bottom wall, and the annular sidewall protrudes the ring in the direction towards the top surface and away from the direction of the top surface Shape bottom wall, the first cyclic annular hook is as described in direction protrusion towards the top surface of the cyclic annular bottom wall and the annular sidewall The part of cyclic annular bottom wall surrounds jointly, and the described second cyclic annular grab deviates from the top by the cyclic annular bottom wall and the annular sidewall The part that the cyclic annular bottom wall is protruded in the direction in face surrounds jointly.

As preferred embodiment, the clamping groove has the first groove face towards the mounting hole, when the clamping When slot and the first cyclic annular hook mutually fasten, first groove face is not less than institute on the extending direction far from the top Annular sidewall is stated, the annular sidewall has away from the sidewall periphery face of the open end, first groove face and the side wall Outer peripheral surface constitutes the first dispensing gap for surrounding the open end.

As preferred embodiment, the sidewall periphery face is set as rough surface.

As preferred embodiment, the annular sidewall has the side wall top surface towards the top, the clamping groove Have the groove bottom for facing away from the top, when the clamping groove is mutually fastened with the described first cyclic annular hook, the side Wall top surface and the groove bottom constitute the second point glue-line gap for surrounding the open end.

As preferred embodiment, first dispensing gap and the second point glue-line gap are interconnected.

As preferred embodiment, the explosion separation structure has an axis, and the axis is through the open end and described Top, first dispensing gap along the axis direction development length with the second point glue-line gap in the vertical axis The sum of the development length in direction is not less than 10 millimeters.

As preferred embodiment, the mounting hole, the open end, the clamping groove, the pressure ring, described first Cyclic annular hook, the second cyclic annular hook, first dispensing gap, the second point glue-line gap are perpendicular to the axis section Each contour line of figure is circle.

As preferred embodiment, the buffer gasket is set as rotational symmetry structure.

As preferred embodiment, the pressure ring also has washer fixed part, is provided with fixation on the buffer gasket Slot, when the buffer gasket squeezes fixed by the pressure ring, the washer fixed part is protruded into the fixing groove and is mutually detained It connects.

As preferred embodiment, have a recess in the fixing groove, the washer fixed part have one it is right The protrusion answered, when the protrusion does not extend into the recess, the washer fixed part can not be protruded into the fixing groove.

As preferred embodiment, the open end has open end, and the open end is recessed to the top orientation It falls into and forms cavity, the cavity has inner peripheral surface, and the inner peripheral surface and the open end seamlessly transit.

The embodiment of the present application is cooperated using clamping groove and the first cyclic annular hook, and explosion time occurs inside translucent cover, It realizes and stops translucent cover because of the technical effect that deformation occurs and deviates from.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is explosion separation structure radial section schematic diagram provided by the present application；

Fig. 2 is a-quadrant enlarged diagram in Fig. 1；

Fig. 3 is a-quadrant enlarged diagram in Fig. 1；

Fig. 4 is a-quadrant enlarged diagram in Fig. 1；

Fig. 5 is flange main view disclosed in the embodiment of the present application；

Fig. 6 is pressure ring main view disclosed in the embodiment of the present application.

Description of symbols:

1- explosion separation structure, 10- translucent cover, 12- flange, 14- pressure ring, 16- buffer gasket, the first dispensing of 17- gap, 18- Second point glue-line gap, the top 100-, the open end 101-, the cyclic annular hook of 102- first, the cyclic annular hook of 103- second, 104- clamping Ring, 105- cavity, 106- inner peripheral surface, 120- mounting hole, the second fixation hole of 122- clamping groove 124-, 140- pressure ring outer peripheral surface, The first fixation hole of 142-, 144- washer fixed part, 1010- open end, the first hook of 1020- inner peripheral surface, the second hook of 1030- Inner peripheral surface, 1040- ring-type bottom wall, 1042- annular sidewall, 1044- sidewall periphery face, 1046- side wall top surface, 1220- anastomosis ring Face, 1222- groove bottom, 1440- protrusion, a- axis.

Specific embodiment

To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.

Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.

The embodiment of the present application discloses a kind of explosion separation structure 1, and a kind of explosion separation structure 1 that Fig. 1 is disclosed for this application is along diameter To schematic cross-section, the explosion separation structure includes but is not limited to the shell mechanism that internal explosion can be isolated with external environment, Explosion separation structure 1 disclosed in the embodiment of the present application includes translucent cover 10 and flange 12, is provided with mounting hole 120 on the flange 12, As shown in figure 5, mounting hole 120 is used to install translucent cover 10 and the main body of translucent cover 10 is made to pass through flange 12, a circle clamping groove 122 It is fitted around the setting of hole 120, the opening direction of clamping groove 122 can be perpendicular to flange 12, as shown in Figure 2.

Fig. 2 is that translucent cover and flange adjoin each other the enlarged diagram of part in Fig. 1, and clamping groove 122 has away from described The identical anchor ring 1220 of mounting hole is such as schemed as shown in Fig. 2, the anchor ring 1220 that coincide can be the anchor ring that a circle surrounds mounting hole 120 Shown in 1, translucent cover 10 includes top 100 and the open end 101 opposite with top 100, and a first cyclic annular hook 102 of circle is around institute The setting of open end 101 is stated, the circular open end 101 is arranged, and the including but not limited to first cyclic annular hook 102 is held level with both hands with opening Together, the opening of the first cyclic annular hook 102 is towards top 100 and with the first hook inner peripheral surface 1020 towards open end 101, such as Shown in Fig. 2, the first hook inner peripheral surface 1020 is the anchor ring that a circle surrounds open end 101.

Top 100 can pass through mounting hole 120 and fasten clamping groove 122 and the first cyclic annular hook 102 mutually, the phase It mutually fastens, can be clamping groove 122 and the first cyclic annular hook 102 protrudes into other side inner space each other.Identical 1220 He of anchor ring First hook inner peripheral surface 1020 fits closely, as shown in Fig. 2, there are one for identical anchor ring 1220 and the first hook inner peripheral surface 1220 Section everywhere shape identical matching surface the case where, in another scenario, the anchor ring 1220 that coincide may be arranged as having along week It is set as having the sawtooth extended longitudinally to the sawtooth of extension or the first hook inner peripheral surface 1220, as long as can satisfy when the One hook inner peripheral surface due to explosion separation structure 1 deformation occurs when, the anchor ring that coincide with the first hook inner peripheral surface can mutually abut blocking The effect of deformation.

The embodiment of the present application is cooperated using clamping groove 122 and the first cyclic annular hook 102, is occurred inside translucent cover quick-fried When fried, realize and stop translucent cover because of the technical effect that deformation occurs and deviates from, prevent internal explosion from conducting to external environment.

In the present embodiment, to further prevent translucent cover to deviate from flange because deformation occurs, as shown in Figure 1, also setting up Pressure ring 14, pressure ring 14 have the pressure ring outer peripheral surface 140 away from open end 101, as shown in Fig. 2, surrounding 10 open end of translucent cover The 101 second cyclic annular hooks 103 of circle being provided with, the structure and pressure ring 14 of the second cyclic annular hook 103 cooperate, can be mutual It fastens, fastening form repeats no more.

The opening of second cyclic annular hook 103 and the opening of the described first cyclic annular hook 102 are set as mutually deviating from, in one kind In situation, the opening direction of the opening direction of the second hook 103 and the first cyclic annular hook is completely on the contrary, opening side between the two It, can be from opposite side with pressure ring 14 as long as can satisfy flange 12 to may be arranged as the certain distance that is parallel to each other but is staggered To being clamped respectively with translucent cover 10, the second cyclic annular hook 103 has the second hook inner peripheral surface towards the open end 1030,1030 set-up mode of the second hook inner peripheral surface is similar with 1020 set-up mode of the first hook inner peripheral surface, and details are not described herein again； Pressure ring 14 and the second cyclic annular hook 103 can mutually fasten and make pressure ring outer peripheral surface 140 and the second hook inner peripheral surface 1030 close Fitting, as shown in Fig. 2, herein manner and fit closely mode with it is aforementioned similar, details are not described herein again.

In the present embodiment, when between pressure ring 14 and translucent cover 10 there are when pressure, between buffering pressure ring 14 and translucent cover 10 Pressure, as shown in Figure 1, being provided with buffer gasket 16, the open end of pressure ring 14 Yu translucent cover 10 is arranged in buffer gasket 16 Between 1010, the implementation shown in Fig. 2 that the segment space between pressure ring 14 and open end 1010 has been filled only with for buffer gasket 16 Example, buffer gasket 16 may be set to be the whole spaces being fully filled between pressure ring 14 and open end 1010.

In order to which pressure ring 14 and flange 12 to be bonded, so that stable holding translucent cover 10 is to reach better stable structure Property, in one embodiment, bolt assembly can be used, offer the first fixation hole 142 on pressure ring 14, corresponding the on flange 12 One fixation hole 142 offers the second fixation hole 124, and in one embodiment, bolt assembly includes screw bolt and nut, and nut can be with With 124 integrated setting of the second fixation hole, screwed in the second fixation hole 124 as shown in Fig. 2, bolt passes through the first fixation hole 142 To be fixedly connected with pressure ring 14 and flange 12；In another embodiment, nut can also be separately provided, and it is fixed that bolt passes through first Nut is screwed in again after hole 142 and the second fixation hole 124, other set-up modes repeat no more.

It in one embodiment, can be by the first cyclic annular hook 102 and the second ring to simplify design and cooperation other structures 103 integrated setting of shape hook, structure after integrated setting radially schematic cross-section as shown in figure 3, after integrated setting Structure form a ring around the clamping ring 104 of open end 101, clamping ring 104 includes cyclic annular bottom wall 1040 and annular sidewall 1042, as shown in figure 3, cyclic annular bottom wall 1040 is connected with open end 101, annular sidewall 1042 the direction towards top surface 100 with And the equal projecting annular bottom wall 1040 in direction away from top surface 100, in embodiment shown in Fig. 3, cyclic annular bottom wall 1040 and open end 101 is concordant, and the radial cross-sectional profile line of annular sidewall 1042 is set as rectangle and perpendicular to cyclic annular bottom wall 1040, sets at other It sets in scheme, the radial cross-sectional profile line of annular sidewall 1042 can be set to other shapes, the position with cyclic annular bottom wall 1040 Relationship is not limited only to vertically, as long as can satisfy and 14 clamping demand of flange 12 and pressure ring.

In the present embodiment, the first cyclic annular hook 102 is by cyclic annular bottom wall 1040 and annular sidewall 1042 towards top surface 100 The part of direction projecting annular bottom wall 1040 surrounds jointly, as shown in figure 3, the second cyclic annular grab 103 by 1040 cyclic annular bottom walls with Annular sidewall 1042 surrounds jointly away from the part of direction projecting annular bottom wall 1040 of top surface 100, the first cyclic annular hook 102 and Second cyclic annular hook 103 includes the space surrounded by cyclic annular bottom wall 1040 and annular sidewall 1042 and cyclic annular bottom wall 1040 and ring Inner surface of the shape side wall 1042 towards the space.

It in one embodiment, is the explosion insulation performance for further increasing explosion separation structure 1, when clamping groove 122 and the first ring-type When hook 102 mutually fastens, kept away from the first groove face 1220 and annular sidewall 1042 of clamping groove 122 towards mounting hole 120 First dispensing gap 17 is set between the sidewall periphery face 1044 at mouth end, and it is upward that clamping groove 122 can be set to annular sidewall 1042 Concordantly, as shown in figure 3, it is more than annular sidewall 1042 on the direction far from top 100 that card slot 122, which may be set to be, at this point, In order to increase dispensing intensity, sidewall periphery face can be set to rough surface, such as etching surface, texture surface.

To further increase dispensing structural strength, in one embodiment, annular sidewall 1042 has towards top 100 Side wall top surface 1046, clamping groove 122 have the groove bottom 1222 away from top 100, when clamping groove 122 and the first cyclic annular hook When 102 mutual fastening, the second point glue-line gap 18 around open end 101 is provided between side wall top surface 1046 and groove bottom 1222, As shown in Figure 4.Second point glue-line gap 18 can be set to be interconnected with the first dispensing gap 17, constitute a whole adhesive joint Face bonds translucent cover 10 and flange 12, and extend as far as possible adhesive joint face with multi-angle.

It is required according to flameproof technology, when 10 internal cavities volume of translucent cover is not less than 100 cubic centimetres, adhesive joint face Length is not less than 10 millimeters, and in one embodiment, explosion separation structure 1 has the axis a through open end 101 and top 100, the Some glue-line gaps 17 along the direction axis a development length and second point glue-line gap 18 the direction vertical axis a development length it Be not less than 10 millimeters, wherein according to different designs demand, development length and second of the first dispensing gap 17 along the direction axis a Development length of the dispensing gap 18 in the direction vertical axis a can select one and be set as 0, as long as sum of the two is greater than 10 millimeters i.e. It can.

For impact force suffered by each structure of uniform inner explosion time, mounting hole 120, open end 101, clamping groove 122, pressure ring 14, the first cyclic annular hook 103 of cyclic annular hook 102, second, the first dispensing gap 17, second point glue-line gap 18 are perpendicular to axis a's Each contour line of sectional view is setting circle, so set, when internal explosion occurs, the suffered punching in each angle of each component Hitting power can homogenize to greatest extent, avoid leading to stress rupture because local pressure is excessive.

For convenient for assembling, buffer gasket 16 can be set to rotational symmetry structure, such as circumferentially uniform circle everywhere Ring-shaped etc..

In one embodiment, it as shown in Figure 1, pressure ring 14 also has washer fixed part 144, is provided on buffer gasket 16 Fixing groove 160, when buffer gasket 16 squeezes fixed by pressure ring 14, washer fixed part 144 is protruded into fixing groove 160 and is mutually detained It connects, washer fixed part 144 shown in Fig. 2 is disposed as circular ring shape with fixing groove 160, and washer fixed part 144 may be set to be Multiple protrusions that buffer gasket 16 is directed toward by pressure ring 14, fixing groove 160 are set as corresponding shape with fixation, meet fixed buffering The status requirement of washer 16, details are not described herein again.

In one embodiment, if desired that buffer gasket 16 is certain to realize to specific position relative to the rotation of pressure ring 14 A recess can be arranged in 160 specific position of fixing groove in function, and a protrusion is arranged in 144 corresponding position of washer fixed part 1440, it, so can be with as shown in fig. 6, washer fixed part 144 can not protrude into fixing groove 160 when protrusion 1440 does not extend into recess Prevent wrongly installed 16 position of washer.

To further enhance translucent cover 10 to the resistance of internal explosion, open end 101 has open end 1010, opening End 101 is recessed to form cavity 105 to 100 direction of top, and cavity 105 has inner peripheral surface 106, as shown in Fig. 2, inner peripheral surface 106 with Open end 1010 seamlessly transits, and seamlessly transits herein, can make inner peripheral surface 106 and the adjacent part edge of open end 1010 Radial cross-sectional profile line is regular curve, and stress when internal explosion is avoided to concentrate the destruction generated.

The embodiment of the present application is cooperated using clamping groove 122 and the first cyclic annular hook 102, is occurred inside translucent cover 10 Explosion time is realized and stops translucent cover 10 because of the technical effect that deformation occurs and deviates from, prevents internal explosion from conducting to external rings Border.

Emphasis describes the difference between each embodiment, difference between each embodiment in the application foregoing embodiments As long as optimization feature non-contradiction, can combine to form more preferably embodiment, it is contemplated that style of writing is succinct, then no longer superfluous at this It states.

The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal Replacement, improvement etc., should be included within the scope of the claims of this application.

Claims (15)

1. a kind of explosion separation structure, which is characterized in that including translucent cover and flange, in which:

Mounting hole and the circle clamping groove around mounting hole setting, the clamping groove are provided on the flange has back Identical anchor ring from the mounting hole, the translucent cover include top and the open end opposite with the top and surround described One the first cyclic annular hook of circle of open end setting, the opening of the described first cyclic annular hook towards the top and have described in First hook inner peripheral surface of open end；

The top can pass through the mounting hole and fasten the clamping groove mutually with the described first cyclic annular hook, the kiss Cyclization face and the first hook inner peripheral surface fit closely.

2. explosion separation structure as described in claim 1, which is characterized in that further include pressure ring, the pressure ring has to be opened away from described The pressure ring outer peripheral surface at mouthful end, the translucent cover further include the second cyclic annular hook of circle around open end setting, and described the The opening of two cyclic annular hooks and the opening of the described first cyclic annular hook mutually deviate from and have the second card towards the open end Hook inner peripheral surface；

The pressure ring and the second cyclic annular hook can be fastened mutually and be made in the pressure ring outer peripheral surface and second hook Circumferential surface fits closely.

3. explosion separation structure as claimed in claim 2, which is characterized in that further include buffer gasket, the open end has opening End face, the buffer gasket are arranged between the pressure ring and the open end.

4. explosion separation structure as claimed in claim 2, which is characterized in that further include bolt assembly, the pressure ring offers first Fixation hole, the flange correspond to first fixation hole and offer the second fixation hole, the pressure ring and the flange described in Bolt assembly is fixedly connected with the cooperation of first fixation hole and second fixation hole.

5. explosion separation structure as claimed in claim 2, which is characterized in that the translucent cover has a ring around the open end It is clamped ring, the clamping ring includes cyclic annular bottom wall and annular sidewall, and the ring-type bottom wall is connected with the open end, the ring Shape side wall ring is around the cyclic annular bottom wall, and the annular sidewall is in the direction towards the top surface and away from the side of the top surface To protruding the cyclic annular bottom wall, the described first cyclic annular hook is by the cyclic annular bottom wall and the annular sidewall towards the top surface Direction protrude the part of the cyclic annular bottom wall and surround jointly, the described second cyclic annular grab is by the cyclic annular bottom wall and the ring-type Side wall surrounds jointly away from the part that the cyclic annular bottom wall is protruded in the direction of the top surface.

6. explosion separation structure as claimed in claim 5, which is characterized in that the clamping groove has towards the first of the mounting hole Groove face, when the clamping groove is mutually fastened with the described first cyclic annular hook, first groove face is in prolonging far from the top It stretches on direction not less than the annular sidewall, the annular sidewall has away from the sidewall periphery face of the open end, and described the One groove face and the sidewall periphery face constitute the first dispensing gap for surrounding the open end.

7. explosion separation structure as claimed in claim 6, which is characterized in that the sidewall periphery face is set as rough surface.

8. explosion separation structure as claimed in claim 7, which is characterized in that the annular sidewall has the side wall towards the top Top surface, the clamping groove have the groove bottom for facing away from the top, when the clamping groove and the described first cyclic annular hook phase When mutually fastening, the side wall top surface and the groove bottom constitute the second point glue-line gap for surrounding the open end.

9. explosion separation structure as claimed in claim 8, which is characterized in that first dispensing gap and the second point glue-line gap It is interconnected.

10. explosion separation structure as claimed in claim 9, which is characterized in that the explosion separation structure has axis, and the axis runs through The open end and the top, development length and the second point glue-line of first dispensing gap along the axis direction Gap is not less than 10 millimeters in the sum of the development length of the vertical axis direction.

11. explosion separation structure as claimed in claim 10, which is characterized in that the mounting hole, the open end, the clamping Slot, the pressure ring, the first cyclic annular hook, the second cyclic annular hook, first dispensing gap, the second point glue-line Gap is circle perpendicular to each contour line of the axial cross-sectional view.

12. explosion separation structure as claimed in claim 3, which is characterized in that the buffer gasket is set as rotational symmetry structure.

13. explosion separation structure as claimed in claim 3, which is characterized in that the pressure ring also has washer fixed part, the buffering Fixing groove is provided on washer, when the buffer gasket squeezes fixed by the pressure ring, the washer fixed part protrudes into described In fixing groove and mutual snapping.

14. explosion separation structure as claimed in claim 13, which is characterized in that have a recess, the pad in the fixing groove Circle fixed part has a corresponding protrusion, and when the protrusion does not extend into the recess, the washer fixed part can not It protrudes into the fixing groove.

15. explosion separation structure as described in claim 1, which is characterized in that the open end has open end, the open end It is recessed to form cavity to the top orientation, the cavity has inner peripheral surface, and the inner peripheral surface and the open end are smoothed It crosses.