CN213540464U - Coal mine bidirectional explosion-proof device based on single-end triggering - Google Patents

Abstract

The utility model provides a two-way flame proof device in colliery based on single end is triggered, include the two-way flame proof device body in colliery that has a follow-up section of thick bamboo (4) and ball (7), be provided with the opening cell body group that is used for holding ball (7) on the uncovered inner wall of follow-up section of thick bamboo (4), opening cell body group through follow-up section of thick bamboo (4), realized carrying out vertical holding to ball (7) along lateral shifting, consequently, satisfy when the two-way flame proof of colliery is concentrated and is installed, use a trigger mechanism, the interval length of isolation has been increased and the interval duration of isolation.

Description

Coal mine bidirectional explosion-proof device based on single-end triggering

Technical Field

The utility model relates to a two-way flame proof device in colliery, especially a two-way flame proof device in colliery based on single end triggers.

Background

When explosion occurs in a coal mine, in order to reduce harm caused by the explosion of the coal mine, an isolation interval needs to be formed in the coal mine, and the coal mine bidirectional explosion-proof device just meets the requirement of forming the isolation interval in the coal mine, so that the coal mine bidirectional explosion-proof device is an important mining device.

Disclosure of Invention

The object of the utility model is a two-way flame proof device in colliery based on single end is triggered.

In order to overcome the technical defect, the utility model aims at providing a two-way flame proof device in colliery based on single end is triggered consequently satisfies when the two-way flame proof in colliery is concentrated and is installed, uses a trigger mechanism, has increased the interval length of isolation and the interval duration of isolation.

In order to achieve the purpose, the utility model adopts the technical proposal that: the bidirectional explosion-proof device comprises a coal mine bidirectional explosion-proof device body with a follow-up cylinder and balls, and an opening groove body group used for containing the balls is arranged on the inner wall of an opening of the follow-up cylinder.

Due to the fact that the coal mine bidirectional explosion-proof device body is designed, the ball which moves transversely is vertically accommodated through the opening groove body group of the follow-up barrel, and therefore when coal mine bidirectional explosion-proof centralized installation is carried out, the requirement that one trigger mechanism is used is met, and the length of an isolation interval and the duration time of the isolation interval are increased.

The utility model discloses a, carry out the technical characteristic of the two-way flame proof device body in the integrated colliery of mode that vertical holds according to the ball along lateral shifting.

The utility model discloses a, realize according to two at least opening cell bodies of interval arrangement that the ball that carries out along lateral shifting carries out the technical characteristic of the two-way flame proof device body in vertical mode that holds in colliery.

The utility model discloses a, the two-way flame proof device body in colliery sets up to still including compressing tightly net, dustcoat, interior cavity shell, air nozzle, case, butt joint section of thick bamboo, head and suction nozzle.

The utility model discloses a, still include first annex device and first annex device sets up on the two-way flame proof device body in colliery, and first annex device sets up to including first sealing washer and second sealing washer.

The utility model discloses a, still include second annex device and second annex device sets up on the two-way flame proof device body in colliery, and second annex device sets up to the third sealing washer.

The utility model discloses a, still include third annex device and third annex device sets up on the two-way flame proof device body in colliery, and third annex device sets up to including instruction table and protective housing.

The utility model discloses a, still include fourth annex device and fourth annex device sets up on the two-way flame proof device body in colliery, and fourth annex device sets up to the blotter.

The utility model discloses a, be provided with the dustcoat on the butt joint section of thick bamboo, air nozzle and protective housing, be provided with the compression network in the dustcoat and be provided with inner chamber shell on the compression network, be provided with the head between inner chamber shell and air nozzle and be provided with inlet nozzle and dial gauge on the head respectively, be provided with the case and follow-up section of thick bamboo setting is on the air nozzle in the air nozzle, be provided with the ball between case and follow-up section of thick bamboo and the blotter setting is between case and follow-up section of thick bamboo, first sealing washer setting is between air nozzle and head and the second sealing washer setting is between case and air nozzle, the third sealing washer setting is between the compression network, butt joint section of thick bamboo sets up to with supporting the shell hookup and follow-up section of.

The utility model discloses a, compress tightly the net and set up to circular dictyosome and compress tightly the edge part of net and set up to hookup with the dustcoat, compress tightly the edge side portion of net and set up to hookup with the third sealing washer.

The utility model discloses a, the outer cover is arranged to include a cover part, an end ring part, a first buckle part, a second buckle part, a supporting sleeve part and a reflecting piece part, the contraction end of the cover part is arranged to be connected with the end ring part, the expansion end opening part of the cover part is arranged to be connected with the supporting sleeve part, the side part of the cover part is respectively arranged to be connected with the first buckle part, the second buckle part and the reflecting piece part, the end ring part is arranged to be connected with a butt-joint barrel and the supporting sleeve part is arranged to be connected with an inner cavity shell, the inner wall of the expansion end opening part of the cover part is arranged to be connected with a compression net and the end ring part is arranged to be a circular tubular body, the cover part is arranged to be a conical barrel and the included angle alpha between the expansion end opening part contour line of the cover part and the transverse central line of the cover part is arranged to be 43-48 degrees, the first buckle part, the reflector portion is arranged to be a rectangular plate-shaped body and arranged to be distributed at intervals along the peripheral line of the cover portion.

The utility model discloses a, the third sealing washer sets up to annular tubulose body and the side portion of third sealing washer sets up to and compresses tightly the net hookup.

The utility model discloses a, interior cavity shell sets up to the clavate that has the blind hole and the uncovered portion of blind hole of interior cavity shell sets up to coupleing with the head, and the hole bottom end of interior cavity shell sets up to coupleing with the dustcoat.

The utility model discloses a, the head sets up to circular siphonozooid and one of them port portion of head sets up to coupleing with interior cavity, and wherein another port portion of head sets up to coupleing and the side portion of head sets up respectively to coupleing with suction nozzle and indicateing meter with the air nozzle, and the inner wall of head sets up to coupleing with first sealing washer contact.

The utility model discloses a, the outer end of the mouth of air nozzle is provided with the exhaust hole body and the inner end of the mouth is provided with the holding hole body, the outer end side of the mouth is provided with the first ring channel body and the middle part of the mouth is set to be connected with the butt-joint cylinder, the outer end of the mouth is set to be connected with the end socket and the inner end of the mouth is set to be connected with the following cylinder in a penetrating way, the holding hole body is set to be connected with the ball and the first ring channel body is set to be connected with the first sealing ring, the mouth is set to be connected with the valve core in a holding way, the mouth is set to be the circular tube body and the first ring channel body is set to be the U-shaped ring channel body, the exhaust hole body is set to be the circular hole body and the included angle between the central line of the exhaust hole body and the transverse central line of the mouth is, the exhaust hole body and the accommodating hole body are arranged and distributed at intervals along the peripheral line of the mouth part.

The utility model discloses a, set up respectively on the uncovered inner wall of the section of thick bamboo portion of follow-up section of thick bamboo into interior opening cell body and outer opening cell body and the lateral surface portion of section of thick bamboo portion sets up to hookup with the atress seat, and section of thick bamboo portion sets up to hookup with air nozzle cup joint formula and the inner wall that is located interior opening cell body and outer opening cell body between the section of thick bamboo portion sets up to hookup with ball contact, and section of thick bamboo portion sets up to the rod-shaped body that has the blind hole and interior opening cell body and outer opening cell body set up respectively.

The utility model discloses a, be provided with the step body and be provided with the second ring groove form body in the outer end side face of core at the inner end of the core of case, the core sets up to the piston hookup of air nozzle and the inner end face of core sets up to hookup with the blotter, the step body sets up to hookup with the ball and the second ring groove form body sets up to hookup with the second sealing washer, the core sets up to circular rod-shaped body and the step body sets up to annular step, the second ring groove form body sets up to the U font ring groove form body.

The utility model relates to a, the ball sets up to circular spheroid and the ball sets up respectively to the formula hookup that sinks with a follow-up section of thick bamboo and air nozzle, and the ball sets up to the formula hookup that resists with the case.

The utility model discloses a, butt joint section of thick bamboo sets up to the siphonozooid and butt joint section of thick bamboo's outer end port portion sets up to hookup with the dustcoat, butt joint section of thick bamboo's inner port inner wall sets up to hookup with the air nozzle and butt joint section of thick bamboo's side portion sets up respectively to the takeover muff-coupling with air inlet nozzle and instruction table, butt joint section of thick bamboo's side portion sets up to hookup with the protective housing and butt joint section of thick bamboo's inner port lateral surface portion to and support.

The utility model discloses a, the suction nozzle sets up to run through the string formula hookup with a butt joint section of thick bamboo, and the inner oral area of suction nozzle sets up to hookup and the outer oral area of suction nozzle sets up to hookup with the high-pressure gas jar with the head.

The utility model discloses a, first sealing washer sets up to lip type sealing washer and first sealing washer sets up to the embedded hookup with the air nozzle, first sealing washer set up to the hookup with head contact.

The utility model discloses a, the second sealing washer sets up to two O shape sealing washers and the second sealing washer sets up to the hookup with the case is embedded, the second sealing washer set up to the hookup with air nozzle contact.

The utility model discloses a, the instruction list sets up to the manometer and the interior oral area of the takeover of instruction list sets up to and to run through the string formula hookup with a butt joint section of thick bamboo with the head hookup, and the instruction list sets up in the protective housing.

The utility model discloses a, the protective housing sets up to the rectangle box-shaped body that has observation window and the protective housing sets up to contain the formula hookup with the dial gauge, and the uncovered portion of protective housing sets up to hookup with a butt joint section of thick bamboo.

The utility model discloses a, the blotter sets up to rubber taper pipe and the shrink port portion of blotter sets up to hookup with the case, the expansion port portion of blotter set up to with follow-up section of thick bamboo discontinuous contact hookup.

The utility model discloses a, the clamp net, the dustcoat, interior cavity shell, the air nozzle, a valve core, the ball, butt joint section of thick bamboo, head and suction nozzle and follow-up section of thick bamboo set up to distribute and the clamp net according to the mode of two open slot body arrangements, the dustcoat, interior cavity shell, the air nozzle, a valve core, the ball, butt joint section of thick bamboo, the head, suction nozzle and follow-up section of thick bamboo and first sealing washer and second sealing washer set up to distribute according to the sealed mode of inside and outside side, the clamp net, the dustcoat, interior cavity shell, the air nozzle, the case, the ball, the butt joint section of thick bamboo, the case, the ball, butt joint section of thick bamboo and pilot meter and set up to distribute according to the mode of pressure sign, the clamp net, the dustcoat, interior cavity shell, the air nozzle shell, the outer chamber, The valve core, the balls, the butt-joint barrel, the seal head, the air inlet nozzle, the follow-up barrel and the buffer pad are distributed according to the mode of releasing impact force, the central line of the compression net, the central line of the outer cover, the central line of the inner cavity shell, the central line of the follow-up barrel, the central line of the air nozzle, the central line of the valve core, the central line of the butt-joint barrel, the central line of the seal head, the central line of the first sealing ring, the central line of the second sealing ring, the central line of the third sealing ring and the central line of the buffer pad are arranged on the same straight line, at least three balls are arranged between the follow-up barrel and the air nozzle and.

In the technical scheme, the coal mine bidirectional explosion-proof device body which vertically accommodates the balls moving along the transverse direction is an important technical characteristic, and in the technical field of the coal mine bidirectional explosion-proof device based on single-end triggering,

the terms in the present technical solution are explained and understood by the patent documents in the technical field.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Figure 1 is a schematic view of the present invention,

FIG. 2 is a schematic view showing the connection relationship between the follower cylinder 4, the air nozzle 5, the valve core 6, the ball 7, the butt cylinder 8, the seal head 9, the air inlet nozzle 91, the indicator 96 and the protective casing 97,

figure 3 is a schematic view of the housing 2 of the present invention,

figure 4 is a right side view of figure 4,

figure 5 is a left side view of figure 4,

a compression net-1, an outer cover-2, an inner cavity shell-3, a follow-up cylinder-4, an air nozzle-5, a valve core-6, a ball-7, a butt joint cylinder-8, a seal head-9, an air inlet nozzle-91, a first seal ring-92, a second seal ring-93, a third seal ring-94, a buffer pad-95, an indicator-96, a protective shell-97, a cover part-21, an end ring part-22, a first buckle plate part-23, a second buckle plate part-24, a support sleeve part-25, a reflector part-26, a mouth part-51, an exhaust hole body-52, an accommodating hole body-53, a first annular groove body-54, a cylinder part-41, an inner opening groove body-42, an outer opening groove body-43, a pressure sensor,

A core part-61, a step body-62 and a second annular groove body-63.

Detailed Description

Terms such as "having," "including," and "comprising," as used herein with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and unless otherwise specified, the devices and materials used in the following examples are commercially available, and if the processing conditions are not explicitly stated, please refer to the purchased product specification or follow the conventional method in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is one of the first embodiments of the present invention, which is specifically described with reference to the accompanying drawings, and includes a pressure net 1, an outer cover 2, an inner cavity housing 3, a follower cylinder 4, an air nozzle 5, a valve core 6, a ball 7, a butt-joint cylinder 8, a seal head 9, an air inlet nozzle 91, a first seal ring 92, a second seal ring 93, a third seal ring 94, a cushion pad 95, an indicator 96 and a protective housing 97, and the outer cover 2, the air nozzle 5 and the protective housing 97 are disposed on the butt-joint cylinder 8, the pressure net 1 is disposed in the outer cover 2, the inner cavity housing 3 is disposed on the pressure net 1, the seal head 9 is disposed between the inner cavity housing 3 and the air nozzle 5, and the air inlet nozzle 91 and the indicator 96 are respectively disposed on the seal head 9, the valve core 6 is disposed in the air nozzle 5, and the follower cylinder 4 is disposed on the air nozzle 5, the ball 7 is disposed between the valve core 6 and the follower cylinder 4, a first sealing ring 92 is arranged between the air nozzle 5 and the end closure 9, a second sealing ring 93 is arranged between the valve core 6 and the air nozzle 5, a third sealing ring 94 is arranged between the compression screens 1, the butt-joint cylinder 8 is arranged to be coupled with the supporting shell 80 and the follow-up cylinder 4 is arranged to be coupled with the force-bearing seat 90.

Through two-way flame proof device body 70 in right side and two-way flame proof device body 60 in left side, the support tie point to atress seat 90 and support shell 80 has been formed, by follow-up section of thick bamboo 4, realized being connected with atress seat 90, by butt joint section of thick bamboo 8, realized with supporting shell 80's being connected, by pressure network 1, dustcoat 2, inner chamber shell 3, air nozzle 5, case 6, ball 7, head 9, inlet nozzle 91, first sealing washer 92, second sealing washer 93, third sealing washer 94, blotter 95, instruction table 96 and protective housing 97, realized producing the injection processing to dry powder, its technical aim at: for use as a means for forming the isolation zone.

In the present embodiment, the compression net 1 is provided as a circular net-shaped body and an edge portion of the compression net 1 is provided to be coupled with the housing 2, and an edge side surface portion of the compression net 1 is provided to be coupled with the third seal ring 94.

Through compressing tightly net 1, formed the support tie point to dustcoat 2 and third sealing washer 94, by compressing tightly net 1, realized being connected with dustcoat 2, realized being connected with third sealing washer 94, its technical aim at: for use as one of the storage means for the dry powder in the housing 2.

In the present embodiment, the outer cover 2 is configured to include the cover portion 21, the end ring portion 22, the first buckle portion 23, the second buckle portion 24, the support sleeve portion 25 and the reflector portion 26 and the contraction end of the cover portion 21 is configured to be coupled with the end ring portion 22, the expansion end opening portion of the cover portion 21 is configured to be coupled with the support sleeve portion 25 and the side surface portion of the cover portion 21 is configured to be coupled with the first buckle portion 23, the second buckle portion 24 and the reflector portion 26, respectively, the end ring portion 22 is configured to be coupled with the docking sleeve 8 and the support sleeve portion 25 is configured to be coupled with the inner cavity housing 3, the expansion end opening inner wall of the cover portion 21 is configured to be coupled with the compression net 1 and the end ring portion 22 is configured to be a circular tubular body, the cover portion 21 is configured to be a tapered sleeve and an angle α between an expansion end opening contour line of the cover portion 21 and a transverse center line of the buckle portion 21 is configured to be 43 to 48 °, the first buckle portion 23 The reflector portions 24 are arranged to be spaced apart along the transverse centerline of the cover portion 21, the reflector portions 26 are arranged to be rectangular plate-like bodies, and the reflector portions 26 are arranged to be spaced apart along the circumferential line of the cover portion 21.

Through dustcoat 2, formed to the pressure net 1, the support tie point of inner chamber shell 3 and butt joint section of thick bamboo 8, by cover portion 21, realized and pressure net 1's being connected, by supporting sleeve portion 25, realized being connected with inner chamber shell 3, by end circle portion 22, realized with the connection of butt joint section of thick bamboo 8, by first buckle portion 23 and second buckle portion 24, realized being connected with the hoisting screw nut, by reflection of light piece portion 26, realized the processing that the warning was reminded, its technical aim at: for use as a second storage means for the dry powder in the housing 2.

In the present embodiment, the third seal ring 94 is provided as an annular tubular body and a side surface portion of the third seal ring 94 is provided to be coupled with the compression net 1.

Through third sealing washer 94, formed the support tie point to pressing net 1, realized being connected with pressing net 1 by third sealing washer 94, its technical aim at: for acting as a cushioning member between the press nets 1.

In this embodiment, the inner chamber housing 3 is configured as a rod-shaped body with a blind hole, the blind hole opening of the inner chamber housing 3 is configured to be coupled with the end socket 9, and the bottom end of the inner chamber housing 3 is configured to be coupled with the outer cover 2.

Through interior cavity shell 3, formed the support tie point to dustcoat 2 and head 9, by interior cavity shell 3, realized being connected with dustcoat 2, realized being connected with head 9, its technical aim at: for use as a storage means for high pressure gas.

In the present embodiment, the end cap 9 is configured as a circular tubular body, one port portion of the end cap 9 is configured to be coupled to the inner cavity shell 3, the other port portion of the end cap 9 is configured to be coupled to the air nozzle 5, the side surface portions of the end cap 9 are respectively configured to be coupled to the air inlet nozzle 91 and the indicator gauge 96, and the inner wall of the end cap 9 is configured to be coupled to the first seal ring 92 in a contact manner.

Through head 9, formed the support tie point to inner chamber shell 3, air nozzle 5, suction nozzle 91, first sealing washer 92, instruction list 96 and head 9, by head 9, realized being connected with inner chamber shell 3, realized being connected with air nozzle 5, realized being connected with suction nozzle 91, realized being connected with instruction list 96, realized being connected with first sealing washer 92, its technical aim at: for serving as a communication means between the inner chamber housing 3 and the air nozzle 5.

In the present embodiment, an exhaust hole body 52 is provided at an outer end of a nozzle part 51 of the air nozzle 5 and an accommodation hole body 53 is provided at an inner end of the nozzle part 51, a first annular groove body 54 is provided at an outer end side surface part of the nozzle part 51 and an intermediate part of the nozzle part 51 is provided to be coupled with the docking cylinder 8, an outer end of the nozzle part 51 is provided to be coupled with the head 9 and an inner end of the nozzle part 51 is provided to be coupled with the follower cylinder 4 in a penetrating manner, the accommodation hole body 53 is provided to be coupled with the ball 7 and the first annular groove body 54 is provided to be coupled with the first seal ring 92, the nozzle part 51 is provided to be coupled with the valve body 6 in an accommodating manner, the nozzle part 51 is provided to be a circular tube body and the first annular groove body 54 is provided to be a U-shaped annular groove body, the exhaust hole body 52, the receiving hole body 53 is formed in a circular hole shape and the center line of the receiving hole body 53 is arranged to be perpendicular to the transverse center line of the nozzle 51, and the discharge hole body 52 and the receiving hole body 53 are arranged to be spaced apart from each other along the peripheral line of the nozzle 51.

Through the air nozzle 5, formed to follow-up section of thick bamboo 4, case 6, ball 7, a butt joint section of thick bamboo 8, head 9 and first sealing washer 92 support the tie point, by mouth 51, realized being connected with follow-up section of thick bamboo 4, realized being connected with case 6, realized with the connection of a butt joint section of thick bamboo 8, realized being connected with head 9, by holding the hole body 53, realized being connected with ball 7, by first annular groove body 54, realized being connected with first sealing washer 92, by the exhaust hole body 52, realized discharging the processing to high-pressure gas in the cavity shell 3, its technical aim at: for serving as a support carrier for the valve cartridge 6, the ball 7 and the first sealing ring 92.

In the present embodiment, the inner opening groove body 42 and the outer opening groove body 43 are provided on the open inner wall of the cylinder portion 41 of the follower cylinder 4, respectively, and the outer side surface portion of the cylinder portion 41 is provided to be coupled with the force receiving base 90, the cylinder portion 41 is provided to be coupled with the air nozzle 5 in a socket manner and the inner wall of the cylinder portion 41 between the inner opening groove body 42 and the outer opening groove body 43 is provided to be coupled with the balls 7 in a contact manner, the cylinder portion 41 is provided to be a rod-shaped body having a blind hole, and the inner opening groove body 42 and the outer opening groove body 43 are provided to be U-shaped.

Through a follow-up section of thick bamboo 4, formed the support tie point to atress seat 90, air nozzle 5 and ball 7, by section of thick bamboo 41, realized being connected with atress seat 90, realized being connected with air nozzle 5, by interior opening cell body 42 and outer opening cell body 43, realized being connected with ball 7, its technical aim at: for serving as a support carrier for the air nozzles 5 and the balls 7.

In the present embodiment, a step body 62 is provided at the inner end of the core 61 of the valve body 6 and a second annular groove body 63 is provided at the outer end side face of the core 61, the core 61 is provided to be piston-coupled with the air nozzle 5 and the inner end face of the core 61 is provided to be coupled with the cushion 95, the step body 62 is provided to be coupled with the balls 7 and the second annular groove body 63 is provided to be coupled with the second seal ring 93, the core 61 is provided to be a circular rod-shaped body and the step body 62 is provided to be an annular step, and the second annular groove body 63 is provided to be a U-shaped annular.

Through case 6, formed the support connection point to second sealing washer 93, air nozzle 5 and ball 7, by second ring groove form body 63, realized being connected with second sealing washer 93, by core 61, realized being connected with air nozzle 5, by step body 62, realized being connected with ball 7, its technical aim lies in: for acting as one of the control means for opening and closing the air nozzle 5.

In the present embodiment, the balls 7 are provided as circular spheroids and the balls 7 are provided to be coupled with the follower cylinder 4 and the air nozzle 5 in a sunk manner, respectively, and the balls 7 are provided to be coupled with the spool 6 in a resistive manner.

Through ball 7, formed the support tie point to follow-up section of thick bamboo 4, air nozzle 5 and case 6, by ball 7, realized being connected with follow-up section of thick bamboo 4, realized being connected with air nozzle 5, realized being connected with case 6, its technical aim at: and a second control part for opening and closing the air nozzle 5.

In the present embodiment, the docking cylinder 8 is provided as a tubular body and the outer end port portion of the docking cylinder 8 is provided to be coupled with the outer cover 2, the inner end port inner wall of the docking cylinder 8 is provided to be coupled with the air nozzle 5 and the side surface portions of the docking cylinder 8 are provided to be coupled with the nozzle receiving type of the air intake nozzle 91 and the indicator gauge 96, respectively, the side surface portion of the docking cylinder 8 is provided to be coupled with the protective case 97 and the inner end port outer side surface portion of the docking cylinder 8 is provided to be coupled with the support case 80.

Through a butt joint section of thick bamboo 8, formed the support tie point to supporting shell 80, dustcoat 2, air nozzle 5, the suction nozzle 91, instruction table 96 and protective housing 97, by a butt joint section of thick bamboo 8, realized and supported shell 80's being connected, realized with being connected of dustcoat 2, realized with air nozzle 5's being connected, realized with suction nozzle 91's being connected, realized with instruction table 96's being connected, realized with protective housing 97's being connected, realized with being connected of case 6, its technical aim at: for serving as a support carrier for the air nozzle 5, the air nozzle 91, the dial gauge 96 and the protective case 97.

In this embodiment, the air inlet nozzle 91 is arranged to be coupled with the docking barrel 8 in a series manner, the inner end opening portion of the air inlet nozzle 91 is arranged to be coupled with the end socket 9, and the outer end opening portion of the air inlet nozzle 91 is arranged to be coupled with the high-pressure gas tank.

Through the suction nozzle 91, the support connection point to a butt joint section of thick bamboo 8 and head 9 has been formed, by suction nozzle 91, realized with the connection of a butt joint section of thick bamboo 8, realized being connected with head 9, its technical aim at: for serving as a communicating member of the inner chamber housing 3 and the high-pressure gas tank.

In the present exemplary embodiment, the first sealing ring 92 is configured as a lip-type sealing ring and the first sealing ring 92 is configured to be connected in a flush manner to the air nozzle 5, and the first sealing ring 92 is configured to be connected in a contacting manner to the closure head 9.

Through first sealing washer 92, formed the support connection point to air nozzle 5 and head 9, by first sealing washer 92, realized being connected with air nozzle 5, realized being connected with head 9, its technical aim at: for acting as a sealing member between the air nozzle 5 and the closure 9.

In the present exemplary embodiment, the second sealing ring 93 is configured as a double O-ring and the second sealing ring 93 is configured to be coupled flush with the valve cartridge 6, the second sealing ring 93 being configured to be coupled in contact with the air nozzle 5.

Through second sealing washer 93, formed the support tie point to air nozzle 5 and case 6, by second sealing washer 93, realized being connected with air nozzle 5, realized being connected with case 6, its technical aim at: for acting as a sealing member between the valve cartridge 6 and the air nozzle 5.

In the present embodiment, the indicating gauge 96 is provided as a pressure gauge and the inner port portion of the nipple of the indicating gauge 96 is provided to be coupled with the cap 9 and the nipple of the indicating gauge 96 is provided to be coupled with the docking cylinder 8 in series, the indicating gauge 96 being provided in the protective case 97.

Through instruction table 96, formed the support connection point to a butt joint section of thick bamboo 8, head 9 and protective housing 97, by instruction table 96, realized with the connection of a butt joint section of thick bamboo 8, realized being connected with head 9, realized being connected with protective housing 97, its technical aim at: for use as a pressure value identification member for the high-pressure gas in the inner chamber housing 3.

In the present embodiment, the protective case 97 is provided as a rectangular box-shaped body having an observation window and the protective case 97 is provided to be coupled with the indicator gauge 96 in a containing manner, and the open portion of the protective case 97 is provided to be coupled with the docking drum 8.

Through protective housing 97, formed the support connection point to a butt joint section of thick bamboo 8 and instruction table 96, by protective housing 97, realized being connected with a butt joint section of thick bamboo 8, realized being connected with instruction table 96, its technical aim at: for use as a snap-on feature to the dial gauge 96.

In the present embodiment, the buffer 95 is provided as a rubber tapered tube and the constricted port portion of the buffer 95 is provided to be coupled with the spool 6, and the expanded port portion of the buffer 95 is provided to be coupled with the follower cylinder 4 in intermittent contact.

Through blotter 95, formed the support tie point to follow-up section of thick bamboo 4 and case 6, by blotter 95, realized being connected with follow-up section of thick bamboo 4, realized being connected with case 6, its technical aim at: for serving as an anti-collision member between the spool 6 and the follower cylinder 4.

In this embodiment, the pressing net 1, the outer cover 2, the inner cavity housing 3, the air nozzle 5, the valve core 6, the balls 7, the butt-joint cylinder 8, the seal head 9, the air inlet nozzle 91, the follower cylinder 4 and the pressing net 1, the outer cover 2, the inner cavity housing 3, the air nozzle 5, the valve core 6, the balls 7, the butt-joint cylinder 8, the seal head 9, the air inlet nozzle 91, the follower cylinder 4, the first seal ring 92 and the second seal ring 93 are arranged to be distributed in a manner of being sealed on the inner and outer sides, the pressing net 1, the outer cover 2, the inner cavity housing 3, the air nozzle 5, the valve core 6, the balls 7, the butt-joint cylinder 8, the seal head 9, the air inlet nozzle 91, the follower cylinder 4 and the third seal ring 94 are arranged to be distributed in a manner of being clamped and buffered, and the pressing net 1, the outer cover 2, the inner cavity housing 3, the air nozzle 5, the valve core 6, the balls 7, the butt-joint cylinder 8, the seal head 9, the air inlet nozzle 91, the compression net 1, the outer cover 2, the inner cavity shell 3, the air nozzle 5, the valve core 6, the balls 7, the butt joint cylinder 8, the seal head 9, the air inlet nozzle 91, the follow-up cylinder 4 and the buffer cushion 95 are arranged to be distributed according to the mode of releasing impact force, the central line of the compression net 1, the central line of the outer cover 2, the central line of the inner cavity shell 3, the central line of the follow-up cylinder 4, the central line of the air nozzle 5, the central line of the valve core 6, the central line of the butt joint cylinder 8, the central line of the seal head 9, the central line of the first sealing ring 92, the central line of the second sealing ring 93, the central line of the third sealing ring 94 and the central line of the buffer cushion 95 are arranged on the same straight line, at least three balls 7 are arranged between the follow-up cylinder 4 and the air.

Through the inlet nozzle 91, inject the high-pressure gas in the high-pressure gas jar into the interior closed cavity that interior chamber shell 3, head 9, air nozzle 5 and case 6 are constituteed respectively, at the intermediate part that ball 7 is located between interior opening cell body 42 and the outer opening cell body 43, ball 7 is used in on the step body 62, make core 61 carry out the shutoff to the exhaust hole body 52, receive the explosion impact force when the explosion strikes the dash receiver, outwards remove when section of thick bamboo 41, ball 7 carries out in the interior opening cell body 42, make ball 7 and step body 62 separate, or: when the cylinder part 41 moves inwards, the ball 7 moves in the outer opening groove body 43, the ball 7 is separated from the step body 62, the valve core 6 moves inwards under the action of high-pressure gas in an inner closed cavity formed by the inner cavity shell 3, the end socket 9, the air nozzle 5 and the valve core 6, the core part 61 is separated from the exhaust hole body 52, the high-pressure gas in the inner closed cavity formed by the inner cavity shell 3, the end socket 9, the air nozzle 5 and the valve core 6 is discharged into the butt-joint barrel 8 through the exhaust hole body 52, the high-pressure gas is released into the cover part 21 through the outer end port part of the butt-joint barrel 8, so that dry powder in the cover part 21 is released through the compression net 1, after the use, the ball 7 is placed on the inner wall of the cylinder part 41 between the inner opening groove body 42 and the outer opening groove body 43, the ball 7 acts on the step body 62, the dry powder is loaded into the cover part 21, and the compression net 1 is installed in.

In one of the supporting examples of the first embodiment of the present invention, the angle α between the contour line of the opening portion of the expanded end of the hood 21 and the transverse center line of the hood 21 is set to 43 degrees,

in the present embodiment, the angle between the center line of the discharge hole body 52 and the lateral center line of the mouth 51 is set to 40 °.

In the second embodiment of the present invention, the angle α between the contour line of the open end of the expansion end of the cover 21 and the transverse center line of the cover 21 is set to 48 degrees,

in the present embodiment, the angle between the center line of the discharge hole body 52 and the lateral center line of the mouth 51 is set to 50 °.

In the third support example of the first embodiment of the present invention, the angle α between the contour line of the opening portion of the expansion end of the cover 21 and the transverse center line of the cover 21 is set to 45 degrees,

in the present embodiment, the angle between the center line of the discharge hole body 52 and the lateral center line of the mouth 51 is set to 45 °.

The utility model discloses a second embodiment carries out the technical characteristic of the two-way flame proof device body in the integrated colliery of the mode of vertical holding according to ball 7 along lateral shifting.

In this embodiment, the technical characteristics of the coal mine bidirectional explosion-proof device body are integrated in a manner that the balls 7 which move transversely are vertically accommodated by the at least two opening groove bodies arranged at intervals.

In this embodiment, the coal mine bidirectional explosion-proof device body is set to further include a compression net 1, an outer cover 2, an inner cavity shell 3, an air nozzle 5, a valve core 6, a butt joint cylinder 8, a seal head 9 and an air inlet nozzle 91.

In this embodiment, the device further comprises a first accessory device, the first accessory device is arranged on the coal mine bidirectional explosion-proof device body, and the first accessory device is arranged to comprise a first sealing ring 92 and a second sealing ring 93.

In this embodiment, a second accessory device is further included and is arranged on the coal mine bidirectional explosion-proof device body, and the second accessory device is arranged as a third sealing ring 94.

In this embodiment, the explosion-proof device further comprises a third accessory device, the third accessory device is arranged on the coal mine bidirectional explosion-proof device body, and the third accessory device is arranged to comprise an indicator 96 and a protective shell 97.

In this embodiment, the explosion-proof device further comprises a fourth accessory device, the fourth accessory device is arranged on the coal mine bidirectional explosion-proof device body, and the fourth accessory device is arranged as a cushion 95.

A second embodiment of the present invention is based on the first embodiment,

the utility model has the characteristics of down:

1. due to the fact that the coal mine bidirectional explosion-proof device body is designed, the ball 7 moving along the transverse direction is vertically accommodated through the opening groove body group of the follow-up barrel 4, and therefore when coal mine bidirectional explosion-proof centralized installation is carried out, the requirement that a trigger mechanism is used is met, and the length of an isolation interval and the duration of the isolation interval are increased.

2. Due to the design of the compression net 1, the outer cover 2, the inner cavity shell 3, the air nozzle 5, the valve core 6, the butt joint cylinder 8, the seal head 9 and the air inlet nozzle 91, the isolation interval formed by the release of dry powder is realized.

3. Due to the design of the first sealing ring 92 and the second sealing ring 93, double-sided sealing is achieved.

4. Due to the design of the third sealing ring 94, the blowing buffering is realized.

5. Due to the design of the indicator 96 and the protective shell 97, the pressure value identification is realized

6. Due to the design of the cushion 95, the impact force is released

7. Owing to designed and carried out numerical range's injecion to the knot configuration form, made numerical range do the utility model discloses a technical scheme in the technical scheme technical characteristics, not through the formula calculation or through the technical characteristics that the limited number of experiments reachs, the experiment shows that this numerical range's technical characteristics has obtained fine technological effect.

8. Owing to designed the utility model discloses a technical characteristic, in technical characteristic's the effect alone and mutual set, through experimental demonstration, the utility model discloses an each item performance index is 1.7 times at least for current each item performance index, has fine market value through the aassessment.

The technical features of the invention, which are the same as or similar to those of the coal mine bidirectional explosion-proof device body vertically accommodated by the balls 7 moving along the transverse direction, are one of the embodiments of the invention, and the technical features of the above-mentioned embodiments can be combined arbitrarily, and the description of all possible combinations of the technical features in the above-mentioned embodiments is omitted.

Consequently in the two-way flame proof device technical field in colliery based on single end is triggered, all include the two-way flame proof device body in colliery that has a follow-up section of thick bamboo 4 and ball 7, be provided with the technical content that is used for holding the opening cell body group of ball 7 on the uncovered inner wall of follow-up section of thick bamboo 4 and all be in the utility model discloses a protection within range.

Claims (6)

1. The utility model provides a two-way flame proof device in colliery based on single end is triggered which characterized by: comprises a coal mine bidirectional explosion-proof device body with a follow-up cylinder (4) and balls (7), an open groove body group for containing the balls (7) is arranged on the inner wall of an opening of the follow-up cylinder (4),

the coal mine bidirectional explosion-proof device body is also provided with a compression net (1), an outer cover (2), an inner cavity shell (3), an air nozzle (5), a valve core (6), a butt joint cylinder (8), a seal head (9) and an air inlet nozzle (91),

or the device also comprises a first accessory device which is arranged on the coal mine bidirectional explosion-proof device body, the first accessory device is arranged to comprise a first sealing ring (92) and a second sealing ring (93),

or the device also comprises a second accessory device which is arranged on the coal mine bidirectional explosion-proof device body, the second accessory device is a third sealing ring (94),

or the device also comprises a third accessory device which is arranged on the coal mine bidirectional explosion-proof device body, the third accessory device comprises an indicator (96) and a protective shell (97),

or, the device also comprises a fourth accessory device which is arranged on the coal mine bidirectional explosion-proof device body and is provided with a cushion (95),

an outer cover (2), an air nozzle (5) and a protective shell (97) are arranged on a butt joint cylinder (8), a compression net (1) is arranged in the outer cover (2), an inner cavity shell (3) is arranged on the compression net (1), a seal head (9) is arranged between the inner cavity shell (3) and the air nozzle (5), an air inlet nozzle (91) and an indicating meter (96) are respectively arranged on the seal head (9), a valve core (6) is arranged in the air nozzle (5) and a follow-up cylinder (4) is arranged on the air nozzle (5), balls (7) are arranged between the valve core (6) and the follow-up cylinder (4), a buffer cushion (95) is arranged between the valve core (6) and the follow-up cylinder (4), a first sealing ring (92) is arranged between the air nozzle (5) and the seal head (9), a second sealing ring (93) is arranged between the valve core (6) and the air nozzle (5), and a third sealing ring (94) is arranged between the compression net (1), the docking cartridge (8) is arranged to be coupled with the support housing (80) and the follower cartridge (4) is arranged to be coupled with the force-receiving seat (90).

2. The coal mine bidirectional explosion-proof device based on single-end triggering of claim 1, which is characterized in that: the pressing net (1) is a circular net body, the edge part of the pressing net (1) is connected with the outer cover (2), the edge side part of the pressing net (1) is connected with the third sealing ring (94),

or, outer cover (2) sets up to including cover portion (21), end ring portion (22), first buckle portion (23), second buckle portion (24), support cover portion (25) and reflector portion (26) and the shrink end of cover portion (21) sets up to be coupleed with end ring portion (22), the expansion end opening portion of cover portion (21) sets up to be coupled with support cover portion (25) and the side face of cover portion (21) sets up respectively to be coupleed with first buckle portion (23), second buckle portion (24) and reflector portion (26), end ring portion (22) set up to be coupled with docking barrel (8) and support cover portion (25) set up to be coupled with inner chamber shell (3), the expansion end opening portion inner wall of cover portion (21) sets up to be the hookup and end ring portion (22) sets up to the circular tubulose, cover portion (21) set up to the cone and the alpha between the expansion end opening portion profile line of cover portion (21) and the horizontal central line of cover portion (21) sets up to the contained angle as the cone 43-48 degrees, the first buckle plate part (23) and the second buckle plate part (24) are respectively arranged into a U-shaped sheet body, the first buckle plate part (23) and the second buckle plate part (24) are arranged to be distributed along the transverse center line of the cover part (21) at intervals, the reflector part (26) is arranged into a rectangular sheet body, the reflector part (26) is arranged to be distributed along the peripheral line of the cover part (21) at intervals,

or the inner cavity shell (3) is a rod-shaped body with a blind hole, the open part of the blind hole of the inner cavity shell (3) is connected with the end enclosure (9), the bottom end of the hole of the inner cavity shell (3) is connected with the outer cover (2),

or the end socket (9) is a circular tubular body, one port part of the end socket (9) is connected with the inner cavity shell (3), the other port part of the end socket (9) is connected with the air nozzle (5), the side surface parts of the end socket (9) are respectively connected with the air inlet nozzle (91) and the indicating meter (96), the inner wall of the end socket (9) is connected with the first sealing ring (92) in a contact way,

or, an exhaust hole body (52) is provided at an outer end of a mouth (51) of the air nozzle (5) and a receiving hole body (53) is provided at an inner end of the mouth (51), a first annular groove body (54) is provided at an outer end side face portion of the mouth (51) and a middle portion of the mouth (51) is provided to be coupled with the butt cylinder (8), an outer end of the mouth (51) is provided to be coupled with the head (9) and an inner end of the mouth (51) is provided to be coupled in series with the follower cylinder (4), the receiving hole body (53) is provided to be coupled with the ball (7) and the first annular groove body (54) is provided to be coupled with the first seal ring (92), the mouth (51) is provided to be coupled in receiving with the spool (6), the mouth (51) is provided to be a circular pipe body and the first annular groove body (54) is provided to be a U-shaped annular groove body, the exhaust hole body (52) is provided to be a circular hole and a center line of the exhaust hole The included angle between the center lines is set to be 40-50 degrees, the containing hole body (53) is set to be a circular hole body, the center line of the containing hole body (53) is set to be mutually vertical to the transverse center line of the mouth part (51), the exhaust hole body (52) and the containing hole body (53) are set to be arranged and distributed at intervals along the peripheral line of the mouth part (51),

or, an inner opening groove body (42) and an outer opening groove body (43) are respectively arranged on the inner wall of an opening of a cylinder part (41) of the follow-up cylinder (4), the outer side surface part of the cylinder part (41) is connected with a stress seat (90), the cylinder part (41) is connected with an air nozzle (5) in a sleeved mode, the inner wall of the cylinder part (41) between the inner opening groove body (42) and the outer opening groove body (43) is connected with a ball (7) in a contact mode, the cylinder part (41) is a rod-shaped body with a blind hole, the inner opening groove body (42) and the outer opening groove body (43) are respectively arranged into a U-shaped annular groove body,

or, a step body (62) is arranged at the inner end of the core part (61) of the valve core (6) and a second annular groove body (63) is arranged at the outer end side surface part of the core part (61), the core part (61) is arranged to be in piston connection with the air nozzle (5) and the inner end surface part of the core part (61) is arranged to be in connection with the buffer pad (95), the step body (62) is arranged to be in connection with the ball (7) and the second annular groove body (63) is arranged to be in connection with the second sealing ring (93), the core part (61) is arranged to be a circular rod body and the step body (62) is arranged to be an annular step, the second annular groove body (63) is arranged to be,

or the ball (7) is arranged into a circular spheroid, the ball (7) is respectively arranged into a sunk connection with the follow-up cylinder (4) and the air nozzle (5), the ball (7) is arranged into a resisting connection with the valve core (6),

or the butt joint cylinder (8) is set to be a tubular body, the outer end port part of the butt joint cylinder (8) is set to be connected with the outer cover (2), the inner end port inner wall of the butt joint cylinder (8) is set to be connected with the air nozzle (5), the side part of the butt joint cylinder (8) is respectively set to be connected with the air inlet nozzle (91) and the adapter tube of the indicating meter (96), the side part of the butt joint cylinder (8) is set to be connected with the protective shell (97), the outer side part of the inner end port of the butt joint cylinder (8) is set to be connected with the supporting shell (80),

or the air inlet nozzle (91) is connected with the butt-joint cylinder (8) in a penetrating and serial mode, the inner end opening part of the air inlet nozzle (91) is connected with the seal head (9), and the outer end opening part of the air inlet nozzle (91) is connected with the high-pressure gas tank.

3. The coal mine bidirectional explosion-proof device based on single-end triggering of claim 1, which is characterized in that: the first sealing ring (92) is a lip-shaped sealing ring, the first sealing ring (92) is connected with the air nozzle (5) in an embedded manner, the first sealing ring (92) is connected with the seal head (9) in a contact manner,

or the second sealing ring (93) is a double-O-shaped sealing ring, the second sealing ring (93) is connected with the valve core (6) in an embedded mode, and the second sealing ring (93) is connected with the air nozzle (5) in a contact mode.

4. The coal mine bidirectional explosion-proof device based on single-end triggering of claim 1, which is characterized in that: the third sealing ring (94) is arranged as an annular tubular body and the side face of the third sealing ring (94) is arranged to be coupled with the compacting net (1).

5. The coal mine bidirectional explosion-proof device based on single-end triggering of claim 1, which is characterized in that: the indicator gauge (96) is arranged as a pressure gauge and the inner port of the adapter of the indicator gauge (96) is arranged to be coupled with the end socket (9) and the adapter of the indicator gauge (96) is arranged to be coupled with the butt-joint barrel (8) in series, the indicator gauge (96) is arranged in the protective shell (97),

or the protective shell (97) is a rectangular box-shaped body with an observation window, the protective shell (97) is in contained connection with the indicating meter (96), the open part of the protective shell (97) is in connection with the butt-joint barrel (8),

or the buffer cushion (95) is arranged to be a rubber conical tube, the contraction port of the buffer cushion (95) is arranged to be connected with the valve core (6), and the expansion port of the buffer cushion (95) is arranged to be in intermittent contact connection with the follow-up cylinder (4).

6. The coal mine bidirectional explosion-proof device based on single-end triggering according to any one of claims 1 to 5, characterized in that: the center line of the compression net (1), the center line of the outer cover (2), the center line of the inner cavity shell (3), the center line of the follow-up cylinder (4), the center line of the air nozzle (5), the center line of the valve core (6), the center line of the butt joint cylinder (8), the center line of the end socket (9), the center line of the first sealing ring (92), the center line of the second sealing ring (93), the center line of the third sealing ring (94) and the center line of the buffer cushion (95) are arranged on the same straight line, at least three balls (7) are arranged between the follow-up cylinder (4), the air nozzle (5) and the valve core (6), the core part (61) is connected with the nozzle part (51), and the cylinder part (41) is connected with the nozzle part (51).

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