CN217567952U - Smoke detector convenient for cleaning filter screen - Google Patents

Abstract

The utility model discloses a smoke detector convenient to clearance filter screen relates to smoke detector technical field, including mounting flange, mounting flange is fixed to be set up in the flue wall outside through the fixed plate, there is the box one side of mounting flange through flange connection, the left side of box is provided with the sampling pipe, the top and the bottom of sampling pipe communicate respectively has sampling tube and gas blow pipe. The utility model discloses a set up the seal assembly, the filter core, the hinge, chamber door connecting block and set screw have played the effect of being convenient for thoroughly clear up the filter core, utilize set screw with chamber door fixed connection on the connecting block, it can use the hinge to rotate downwards as the centre of a circle to open the chamber door to pull down set screw, the chamber door of being convenient for opens and shuts, the detector is conveniently maintained, take out the seal assembly right and can drive the filter core and break away from the sampling pipe, conveniently get rid of the filter core, be convenient for maintain and thoroughly clear up the filter core, need not wholly dismantle the device, and is easy and simple to handle.

Description

Smoke detector convenient for cleaning filter screen

Technical Field

The utility model relates to a smoke detector technical field specifically is the smoke detector of clearance filter screen for being convenient for.

Background

Under green's development background, in order to control the flue emission, need carry out on-line monitoring to the flue gas, can install smoke detector on the flue wall, the detector can sample the flue gas, then utilizes analytical equipment to the flue gas analysis, realizes the monitoring to the flue gas.

The utility model provides a current chinese patent document publication number is CN 212594559U's patent, discloses a filter equipment for smoke detector, including shell and filter element, be equipped with the intercommunication chamber in the shell and communicate in core mounting groove and the installation cavity at intercommunication chamber both ends, be equipped with into the mouth on the lateral wall that the shell corresponds the core mounting groove, filter element detachably installs in the core mounting groove, filter element's surface is equipped with the micropore of intercommunication filter element inside and outside both sides, filter element's inner chamber is formed with the breather chamber with intercommunication chamber intercommunication, because the flue gas top-down fast flow in the flue, when filter equipment for smoke detector installs in the flue, it is located the below of shell to advance the mouth, the utility model discloses a filter equipment for smoke detector's shell can just to the flue gas of fast flow in the flue, has avoided the flue gas directly to strike filter element, has improved filter element's life, avoids impurity in the flue gas to influence smoke detector's test performance, has improved smoke detector's detection efficiency and life.

In the above document, the housing of the filter device can be used for directly facing the flue gas flowing rapidly in the flue, so that the flue gas is prevented from directly impacting the filter element body, the service life of the filter element body is prolonged, however, the filter element is inconvenient to disassemble, maintain and clean, and the filter element can be disassembled to be thoroughly cleaned after the detector is disassembled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a smoke detector convenient to clearance filter screen to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: flue gas detector convenient to clearance filter screen, including mounting flange, mounting flange is fixed to be set up in the flue wall outside through the fixed plate, one side of mounting flange is connected with the box through flange, the left side of box is provided with the sampling pipe, the top and the bottom of sampling pipe communicate respectively has sampling pipe and gas blow pipe, the inside of sampling pipe is provided with the filter core, the right-hand member of filter core and the right-hand member that is located the sampling pipe are provided with closed assembly, the right side of bottom half is rotated through the hinge and is connected with the chamber door, the right side fixedly connected with connecting block at box top, the connecting block is connected through set screw with the top of chamber door is fixed.

Furthermore, the one end that sampling tube and gas blow pipe kept away from mutually all runs through the box and extends to the outside of box, locating inside the box on sampling tube and the gas blow pipe and all being provided with the solenoid valve, being convenient for control the switch of sampling tube and gas blow pipe, being convenient for switch over sampling and blowback mode.

Furthermore, the one end intercommunication air compressor machine that the gas blow pipe is located the box outside for the dust impurity of filter core is detached in the blowback, the top and the bottom of box inner wall and the surface that is located sampling tube and gas blow pipe respectively all are provided with the sealing washer, reinforcing sealed effect.

Further, be provided with sealed the pad between mounting flange and the flange, reinforcing leakproofness, mounting flange and flange pass through mounting screw fixed connection, mounting flange middle part offer with the sampling hole of sampling pipe looks adaptation, make things convenient for the sampling pipe to pass through.

Further, the seal assembly includes the clamp plate, the clamp plate activity sets up in the inside right side of box, the inner wall of box and the left side fixedly connected with dog that is located the clamp plate, the activity is provided with the slide bar on the clamp plate, the left end fixedly connected with closing block of slide bar, be provided with pressure spring between closing block and the clamp plate, the left middle part fixedly connected with briquetting of clamp plate, the middle part fixedly connected with connecting rod of briquetting, the left end of connecting rod runs through the inside that the closing block just extended to the sampling pipe, the right-hand member fixedly connected with stopper of slide bar, the top on clamp plate right side and the equal fixedly connected with handle in bottom, the draw-in groove with sampling pipe looks adaptation is seted up in the left side of closing block, is convenient for seal the sampling pipe right-hand member.

Furthermore, the connecting rod is located the inside one end fixedly connected with screw rod of sampling pipe, the fixed surface of screw rod installs the thread groove, the left end fixed connection in the right-hand member of filter core of thread groove, convenient to detach filter core, the convenient change.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. this flue gas detector convenient to clearance filter screen, through setting up the seal assembly, the filter core, the hinge, the chamber door, connecting block and set screw have played the effect of being convenient for thoroughly clear up the filter core, utilize set screw with chamber door fixed connection on the connecting block, it can use the hinge to rotate downwards to open as the centre of a circle to pull down set screw, the chamber door of being convenient for opens and shuts, the detector is conveniently maintained, take out the seal assembly right and can drive the filter core and break away from the sampling pipe, conveniently get rid of the filter core, be convenient for maintain and thoroughly clear up the filter core, need not wholly dismantle the device, and the operation is simple and convenient.

2. This smoke detector convenient to clearance filter screen, seal the piece through setting up, pressure spring and handle have played the effect of making things convenient for the renew cartridge, utilize filter core right-hand member thread groove to dismantle from the screw rod of connecting rod left end, can pull down the filter core alone, make things convenient for the dismantlement and the installation of filter core, the renew cartridge of being convenient for, when closing the chamber door, chamber door oppression handle, the handle compresses tightly the piece at the sampling pipe right-hand member through the left briquetting of clamp plate with sealing the piece, can seal the right-hand member of sampling pipe, pressure spring elastic force effect seals the piece, prevent to appear the gap between sealing piece and the sampling pipe, the effect that has clearance compensation, strengthen sealed effect, when opening the chamber door, pressure spring's elasticity is used the clamp plate and is driven the handle and is moved the right hand and is popped out the box, the handle auto-eject effect has, facilitate the use handle.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front sectional view of the present invention;

fig. 2 is an external front view of the present invention;

fig. 3 is a schematic view of the closure assembly of the present invention;

fig. 4 is an enlarged schematic view of the present invention at a in fig. 1.

In the figure: 1. fixing the flange; 2. a fixing plate; 3. a connecting flange; 4. a box body; 5. a sampling tube; 6. a sampling tube; 7. an air blowing pipe; 8. an electromagnetic valve; 9. a closure assembly; 91. pressing a plate; 92. a slide bar; 93. a sealing block; 94. a pressure spring; 95. briquetting; 96. a connecting rod; 97. a limiting block; 98. a handle; 99. a card slot; 10. a filter element; 11. a stopper; 12. a hinge; 13. a box door; 14. connecting blocks; 15. a fixing screw; 16. a seal ring; 17. a screw groove; 18. a screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

As shown in fig. 1-2 flue gas detector convenient to clearance filter screen, including mounting flange 1, mounting flange 1 is fixed to be set up in the flue wall outside through fixed plate 2, one side of mounting flange 1 is connected with box 4 through flange 3, the left side of box 4 is provided with sampling pipe 5, the top and the bottom of sampling pipe 5 communicate respectively sampling pipe 6 and gas blow pipe 7, the inside of sampling pipe 5 is provided with filter core 10, the right-hand member of filter core 10 and the right-hand member that is located sampling pipe 5 are provided with closing component 9, the right side of box 4 bottom is rotated through hinge 12 and is connected with box door 13, the right side fixedly connected with connecting block 14 at box 4 top, connecting block 14 is fixed through set screw 15 with the top of box door 13 and is connected, the one end that sampling pipe 6 and gas blow pipe 7 kept away from mutually all runs through box 4 and extends to the outside of box 4, all be provided with solenoid valve 8 on sampling pipe 6 and the gas blow pipe 7 lie in box 4 inside, gas blow pipe 7 lies in the outside one end intercommunication of box 4, the top and the bottom of box 4 inner wall just lie in the surface of sampling pipe 6 and sampling pipe 7 respectively and the fixed flange 1 and flange mounting flange 3 and flange connection flange 1 and flange connection have seted up the sealed mounting flange 1 and flange 5 and flange connection.

The implementation mode is specifically as follows: when the device is used, the fixing flange 1 is connected with the connecting flange 3 on the left side of the box body 4 through the mounting screws, the mounting and the dismounting are convenient, a sealing gasket between the fixing flange 1 and the connecting flange 3 is sealed, the electromagnetic valve 8 on the sampling pipe 6 is opened, the electromagnetic valve 8 on the air blowing pipe 7 is closed, the sampling pipe 6 extracts smoke through the sampling pipe 5, the smoke is filtered through the filter element 10, dust impurities are filtered, the smoke is purified, when back blowing and dust removing are carried out, the electromagnetic valve 8 on the sampling pipe 6 is closed, the electromagnetic valve 8 on the air blowing pipe 7 is opened, the air blowing pipe of the air compressor case blows air, compressed air blows into the sampling pipe 5, the filter element 10 is swept by the compressed air, the dust and the impurities are swept out of the sampling pipe 5, the device has a sweeping function, the fixing screws 15 on the top of the box door 13 are dismounted from the connecting block 14, the box door 13 is rotated downwards and opened by taking the hinge 12 as a circle center, be convenient for chamber door 13 to open and shut, conveniently maintain, after opening chamber door 13, can extract right from sampling pipe 5 with filter core 10 that seal assembly 9 left side is connected and take off, be convenient for take out filter core 10, need not dismantle the device is whole, and is easy and simple to handle, the effect of being convenient for thoroughly clear up the filter core has been played through setting up above structure, utilize set screw 15 with chamber door 13 fixed connection on connecting block 14, it can use hinge 12 to rotate downwards to open chamber door 13 as the centre of a circle to pull down set screw 15, be convenient for chamber door 13 to open and shut, conveniently maintain the detector, it can drive filter core 10 and break away from sampling pipe 5 to take out seal assembly 9 right, conveniently get rid of filter core 10, be convenient for maintain and thoroughly clear up filter core 10, need not dismantle the device is whole, and is easy and simple to handle.

As shown in fig. 1, fig. 3 and fig. 4, the smoke detector convenient for cleaning the filter screen includes a sealing assembly 9, wherein the sealing assembly 9 includes a pressing plate 91, the pressing plate 91 is movably disposed on the right side inside the box 4, the inner wall of the box 4 is located at a left side fixedly connected with stop 11 of the pressing plate 91, the pressing plate 91 is movably disposed with a sliding rod 92, a left end fixedly connected with sealing block 93 of the sliding rod 92, a pressure spring 94 is disposed between the sealing block 93 and the pressing plate 91, a middle portion fixedly connected with pressing block 95 on the left side of the pressing plate 91 is provided with a connecting rod 96, the left end of the connecting rod 96 runs through the sealing block 93 and extends to the inside of the sampling tube 5, a right end fixedly connected with a limiting block 97 of the sliding rod 92 is fixedly connected with a handle 98 on the top and the bottom on the right side of the pressing plate 91, a clamping groove 99 matched with the sampling tube 5 is disposed on the left side of the sealing block 93, the connecting rod 96 is located at one end fixedly connected with a screw 18 inside the sampling tube 5, a screw groove 17 is fixedly mounted on the surface of the screw 18, and the left end of the screw groove 17 is fixedly connected with the right end of the filter element 10.

The implementation mode specifically comprises the following steps: when the box door 13 is closed, the left side of the box door 13 presses the handle 98, the handle 98 presses the pressing plate 91 to move leftwards, the pressing plate 91 presses the sealing block 93 through the pressing block 95, the sealing block 93 is clamped at the right end of the sampling tube 5 through the clamping groove 99 at the left side to seal the sampling tube 5, meanwhile, the pressing plate 91 compresses the pressure spring 94, the elastic potential energy of the pressure spring 94 is enhanced, the elastic force of the pressure spring 94 acts on the sealing block 93 to prevent a gap from being formed between the sealing block 93 and the sampling tube 5, the gap compensation effect is achieved, the sealing effect is enhanced, when the box door 13 is opened, the pressure on the handle 98 is subtracted from the box door 13, the pressing plate 91 is not pressed by the handle 98 any more, the pressure spring 94 loses the pressure elastic force and releases the potential energy, the elastic force of the pressure spring 94 acts on the pressing plate 91, the pressing plate 91 is moved rightwards by the elastic force, the pressing plate 91 drives the handle 98 to move rightwards to pop out the box body 4, and the automatic popping effect of the handle 98 is achieved, the handle 98 is convenient to use and operate, the handle 98 is pulled rightwards, the handle 98 drives the pressure plate 91 to move rightwards, the pressure plate 91 drives the slide rod 92 to move rightwards through the limit block 97, the slide rod 92 drives the sealing block 93 to move rightwards, the sealing block 93 is separated from the sampling pipe 5, meanwhile, the pressure plate 91 drives the connecting rod 96 on the pressure block 95 to move rightwards, the connecting rod 96 takes the filter element 10 out of the sampling pipe 5, the filter element 10 is convenient to take out, the filter element 10 can be thoroughly cleaned or the filter element 10 can be replaced by detaching the screw groove 17 at the right side of the filter element 10 from the screw rod 18 at the left end of the connecting rod 96, the filter element 10 can be detached independently by utilizing the screw groove 17 at the right side of the filter element 10, the detachment and installation of the filter element 10 are convenient, the filter element 10 is convenient to replace, when the box door 13 is closed, chamber door 13 oppresses handle 98, handle 98 will seal the piece 93 through the left briquetting 95 of clamp plate 91 and compress tightly at the sampling tube 5 right-hand member, can seal the right-hand member of sampling tube 5, the piece 93 is sealed to pressure spring 94 spring action, prevent to seal and appear the gap between piece 93 and the sampling tube 5, clearance compensation's effect has, the sealed effect of reinforcing, when opening chamber door 13, pressure spring 94's elasticity is used clamp plate 91 and is driven handle 98 and move rightly and pop out box 4, it pops out the effect to have handle 98 auto-eject, facilitate the use handle 98.

The utility model discloses a theory of operation:

referring to the attached drawings 1-2 of the specification, the sealing component 9, the filter element 10, the hinge 12, the box door 13, the connecting block 14 and the fixing screw 15 are arranged to play a role of facilitating thorough cleaning of the filter element, the box door 13 is fixedly connected to the connecting block 14 through the fixing screw 15, the box door 13 can be opened by being rotated downwards by taking the hinge 12 as a circle center after the fixing screw 15 is detached, the box door 13 can be opened and closed conveniently, the detector is convenient to maintain, the sealing component 9 is taken out rightwards to drive the filter element 10 to be separated from the sampling pipe 5, the filter element 10 is convenient to remove, the filter element 10 is convenient to maintain and thoroughly clean, the whole device does not need to be disassembled, and the operation is simple and convenient.

Further, referring to the attached drawing 1, fig. 3 and fig. 4 of the specification, through setting up the closing block 93, pressure spring 94 and handle 98 play the effect of making things convenient for the change filter core 10, utilize filter core 10 right-hand member thread groove 17 to dismantle from the screw rod 18 of connecting rod 96 left end, can pull down filter core 10 alone, make things convenient for the dismantlement and the installation of filter core 10, be convenient for change filter core 10, when closing chamber door 13, chamber door 13 oppresses handle 98, handle 98 compresses tightly closing block 93 at the sampling tube 5 right-hand member through the left briquetting 95 of clamp plate 91, can close the right-hand member of sampling tube 5, pressure spring 94 elastic force effect closing block 93, prevent to appear the gap between closing block 93 and the sampling tube 5, has the effect of clearance compensation, strengthen sealed effect, when opening chamber door 13, pressure spring 94's elastic force clamp plate 91 drives handle 98 to move to the right side and pops box 4, have handle 98 auto-eject effect, facilitate the use handle 98.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. Flue gas detector convenient to clearance filter screen, including mounting flange (1), its characterized in that: fixing flange (1) is fixed to be set up in the flue wall outside through fixed plate (2), one side of fixing flange (1) is connected with box (4) through flange (3), the left side of box (4) is provided with sampling pipe (5), the top and the bottom of sampling pipe (5) communicate respectively and have sampling pipe (6) and gas blow pipe (7), the inside of sampling pipe (5) is provided with filter core (10), the right-hand member of filter core (10) and the right-hand member that is located sampling pipe (5) are provided with seal assembly (9), the right side of box (4) bottom is rotated through hinge (12) and is connected with chamber door (13), the right side fixedly connected with connecting block (14) at box (4) top, connecting block (14) are fixed to be connected through set screw (15) with the top of chamber door (13).

2. The smoke detector convenient for cleaning a filter screen of claim 1, wherein: the sampling tube (6) and the gas blow pipe (7) are kept away from one end and all run through the box (4) and extend to the outside of box (4), lie in inside solenoid valve (8) of box (4) on sampling tube (6) and gas blow pipe (7).

3. The smoke detector convenient for cleaning a filter screen of claim 2, wherein: the air blowing pipe (7) is located one end outside the box body (4) and is communicated with the air compressor, and sealing rings (16) are arranged at the top and the bottom of the inner wall of the box body (4) and on the surfaces of the sampling pipe (6) and the air blowing pipe (7) respectively.

4. The smoke detector convenient for cleaning a filter screen of claim 1, wherein: be provided with sealed the pad between mounting flange (1) and flange (3), mounting flange (1) and flange (3) are through mounting screw fixed connection, the sampling hole with sampling pipe (5) looks adaptation is seted up at mounting flange (1) middle part.

5. The smoke detector convenient for cleaning a filter screen of claim 1, wherein: close subassembly (9) including clamp plate (91), clamp plate (91) activity sets up in the inside right side of box (4), the inner wall of box (4) just is located left side fixedly connected with dog (11) of clamp plate (91), the activity is provided with slide bar (92) on clamp plate (91), the left end fixedly connected with of slide bar (92) seals piece (93), be provided with pressure spring (94) between seal piece (93) and clamp plate (91), the left middle part fixedly connected with briquetting (95) of clamp plate (91), the middle part fixedly connected with connecting rod (96) of briquetting (95), the left end of connecting rod (96) runs through the inside that seals piece (93) and extend to sampling tube (5), the right-hand member fixedly connected with stopper (97) of slide bar (92), the equal fixedly connected with handle (98) in top and the bottom on clamp plate (91) right side, draw-in groove (99) with sampling tube (5) looks adaptation are seted up in the left side of seal piece (93).

6. The smoke detector convenient to clearance filter screen of claim 5, characterized in that: the one end fixedly connected with screw rod (18) that connecting rod (96) are located sampling pipe (5) inside, the fixed surface of screw rod (18) installs thread groove (17), the left end fixed connection in the right-hand member of filter core (10) of thread groove (17).

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