CN202381146U

CN202381146U - Novel flash hider

Info

Publication number: CN202381146U
Application number: CN2011205700030U
Authority: CN
Inventors: 张勇; 穆晓滨; 李金红
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-31
Filing date: 2011-12-31
Publication date: 2012-08-15
Anticipated expiration: 2021-12-31

Abstract

The utility model discloses a novel flash hider, which comprises a sleeve pipe portion, an air discharge portion and a sealing portion. The sleeve pipe portion is provided with a sleeve pipe, and three arc steel sheets are arranged in the sleeve pipe and connected with a jackscrew which penetrates through the sleeve pipe to be connected with a handle. The air discharge portion is formed by a fan shaft arranged in the sleeve and a three-stage exhaust fan installed on the fan shaft, and the three-stage exhaust fan adopts five fan blades and rotates to form a circular face with the diameter of 7cm. The sealing portion is silicon titanium fireproofing cloth arranged outside the sleeve. Filing lines are arranged on the inner surfaces of the arc steel sheets, and the exhaust fan is made by coating high-temperature resistant coating on the plastic outer surface. The exhaust fan of the novel flash hider pushes the fan to automatically rotate for air discharge through tail gas discharge, and enables the air discharge to be smooth. The arrangement of the fireproofing cloth of a sealing portion reduces risks of flash reveal, and is high in safety factor, good in generality, capable of adapting to most majority of calibers of the exhaust pipe, light in weight, reliable in fixation and convenient in installation.

Description

Novel Flue isolation

Technical field

The utility model relates to a kind of automobile Flue isolation, belongs to safety, fire-proof and explosion-proof field.

Background technique

The automobile Flue isolation be a kind of be installed in motor vehicle exhaust after; The permission blast air passes through; And fire safety, the fire retardant device of flame in the prevention blast air and Mars ejection are the fire safety staple products that ensures that state key fire prevention unit and all haulage vehicles must be joined in inflammable and explosive zone.Be applicable to fire forbidden zone territories such as inflammable and explosive emphasis fire prevention unit and goods yard, warehouse, oil field, forest zone, colliery, petrochemical industry lng plant, paper mill, airdrome.

General Flue isolation can be divided into sleeve portion and discharge portion at present.Sleeve portion is used for being enclosed within on the motor vehicle exhaust, and three openings are generally arranged on the sleeve pipe, outside the pipe clip is housed and is used to tighten up.The critical piece of discharge portion is a steel fire-proof plate, is uniformly distributed with single row of holes, double hole above, and obstruct flame, Mars make tail gas be able to discharge simultaneously, and the external handle of rotating cap can be opened, the closing fire retardant plate.Flue isolation exposes following some deficiency in long-term using process: after the Flue isolation that 1) uses at present is set on the outlet pipe, and the nut of the clamp both sides that need screw up with a wrench, complex operation; 2) fire-proof plate of steel has increased the weight of Flue isolation, is prone to cause Flue isolation to come off; 3) present Flue isolation utilizes the single row of holes on its inner fire-proof plate, double hole vortex structure, for the bigger truck conspicuity marking of air displacement, is prone to cause cap body inner exhaust gas in time to discharge to cause and builds the pressure; 4) present general Flue isolation must be got to closed condition to fire-proof plate before use after installing, otherwise can't bring into play actual effect; 5) Flue isolation that uses at present or a cap one usefulness, it is bad perhaps to cause Flue isolation and outlet pipe to agree with, and has increased the risk that Mars leaks and the cap body comes off.

Summary of the invention

The utility model technical problem to be solved is the deficiency to existing technology, provides a kind of versatility good, esy to use, safe and reliable Flue isolation.

For solving this technical problem, the utility model provides a kind of novel Flue isolation, comprises sleeve portion, airtight part and discharge portion.

Said sleeve portion is provided with sleeve pipe, and three arc steel plates are set in this sleeve pipe, and this arc steel plate links to each other with jackscrew, and jackscrew passes sleeve pipe and connects handle.

Said airtight part is the flameproof textile that is arranged on jacket exterior, and of this flameproof textile is fixed on the sleeve pipe with clamp, and the other end is enclosed within on the outlet pipe after handling with elastic ribbon.

Said discharge portion is made up of with three grades of ventilating fans being installed on this fan shaft the fan shaft that is located in the sleeve pipe, at the top and the sleeve pipe connecting place of this discharge portion the triadius type support is set.

The internal surface of said arc steel plate is provided with the cut of file.

Said three grades of ventilating fans all adopt five flabellums, and it is 7cm that rotation forms the disc diameter.

The radian of said arc steel plate is π/6, and arc length is 1cm, and length is 3cm.

Said flameproof textile is a silicon titanium flameproof textile.

Said three grades of ventilating fans are the plastics outer surface and smear high-temperature resistant coating and process.

Beneficial effect: the utility model compared with prior art, the discharging of ventilating fan through tail gas promotes fan and rotates air draft automatically, makes exhaust more smooth and easy; The flameproof textile setting of closed system has been reduced the risk that Mars leaks out from the slit, increases safety coefficient; Versatility is good, can adapt to most of outlet pipe bore; And in light weight, fixed difficult drop-off, easy for installation, tool free just can be installed.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the A-A sectional drawing of Fig. 1 of the utility model;

Fig. 3 is the B-B sectional drawing of Fig. 1 of the utility model.

Among the figure: 1 sleeve pipe, 2 arc steel plates, 3 jackscrews, 4 handles, 5 fan shafts, 6 ventilating fans.

Embodiment

Below in conjunction with accompanying drawing the utility model is further specified:

Shown in Figure 1 is the structural representation of the utility model.

The utility model provides a kind of novel Flue isolation, comprises sleeve portion, airtight part and discharge portion.

Shown in Figure 2 is the A-A sectional drawing of Fig. 1 of the utility model.

Said sleeve portion is provided with sleeve pipe 1, and three arc steel plates 2 are set in this sleeve pipe 1, and this arc steel plate 2 links to each other with jackscrew 3; This jackscrew 3 passes sleeve pipe 1 and connects handle 4; Can firmly grasp outlet pipe, solid and reliable (as shown in Figure 2) through turning 4, three arc steel plates 2 of handle.

In order to adapt to different outlet pipe calibers, arc steel plate 2 adopts radian π/6, arc length 1cm, the long 3cm of steel disc.

In order to increase the frictional force between arc steel plate 2 and the outlet pipe, the internal surface of arc steel plate 2 is processed similar file cut.

Said airtight part is to install a flameproof textile additional to constitute in sleeve pipe 1 outside; One of this flameproof textile is fixed on the sleeve pipe 1 with clamp; The other end is enclosed within on the outlet pipe after handling with elastic ribbon, realizes airtightly, prevents that spark, Mars from revealing away through the slit between outlet pipe and the cap body sleeve pipe 1.

Said flameproof textile is processed by silicon titanium flameproof textile, and motor-vehicle tail-gas is generally below 700 ℃, and silicon titanium flameproof textile can use at 900 ℃ long-term down, and has stable chemical performance, and characteristics such as high temperature resistant, anti-ablation are so select for use silicon titanium flameproof textile to make airtight part.

Fig. 3 is the B-B sectional drawing of Fig. 1 of the utility model.

Said discharge portion comprises that fan shaft 5 that is located in this sleeve pipe 1 and the three grades of ventilating fans 6 that are arranged on this fan shaft 5 constitute; The one-level fan stops most of Mars; The secondary fan stops reveals the Mars of coming; Force 3 wind fan guarantees that then Mars can not emerge outside the cap body security insurance (as shown in Figure 3).

Consider that ventilating fan 6 will guarantee that exhaust is smooth and easy and can intercept Mars, so adopt five flabellum ventilating fans, rotating the disc diameter that forms is 7cm.

Consider that ventilating fan 6 will possess characteristics high temperature resistant, insulation, but the highest heatproof degree of high-temperature resistant coating reaches 1700 ℃, and have characteristics such as fire prevention, fire-retardant, insulation, wear-resisting, long service life, so smear high-temperature resistant coating at the outer surface of plastic fan.

In addition, a triadius type support is set, prevents that automobile exhaust pipe was inserted in the dark ventilating fan that damages at the top and the sleeve pipe 1 part connecting place of discharge portion.The design of cap external is unscrewed clip and can be unloaded cap body latter half part with Flue isolation is identical at present, convenient cleaning, replacing ventilating fan.

Novel Flue isolation is compared with the Flue isolation of present use, and following characteristics are arranged:

1) installation process is convenient and simple, withstands outlet pipe with the arc steel plate 2 on three jackscrew 3 tops, just can tighten with hand, and is convenient and simple, do not need other instruments; Ventilating fan 6 adopts plastic material, is coated with high-temperature resistant coating outward, compares with the fire-proof plate of steel, has not only alleviated the weight of Flue isolation greatly, has reduced also to greatly reduce fabricating cost because of weight and the risk of jolting and coming off

2) use flameproof textile to reduce the risk that Mars leaks out from the slit, flameproof textile is shut the slit that exists between sleeve pipe 1 and outlet pipe, and Mars, spark can not be leaked to the outside, and is fixed on the sleeve pipe 1 with clip, conveniently cleans and changes.

3) exhaust system has adopted the principle of ventilating fan, and the discharging through tail gas promotes fan and rotates air draft automatically, and air displacement is bigger, speed is fast more; The rotating speed of flabellum is also fast more, and tail gas has guaranteed that exhaust is smooth and easy also with regard to fast more discharge cap body when intercepting spark; Vent systems can not cause exhaust emissions freely not build the pressure, and has guaranteed that temperature can be not too high in the cap body, the design of three grades of ventilating fans; Overlapping can not appear in rotation process in the gap of each grade flabellum, guarantees that the Mars that upper level leaked can be intercepted by the next stage flabellum, has guaranteed that it intercepts the effect of spark; Three fans are fixed on the same axle, and are for convenience detach, clean, change.

4) through regulating the outlet pipe that jackscrew 3 removes to firmly grasp different bores, and resilient flameproof textile can encase the outlet pipe of any bore, and versatility is good, can use by a cap more.

In sum, novel Flue isolation is compared with the Flue isolation that uses at present, and the wide and low preparation cost of using scope is all applicable to each fire-proof and explosion-proof unit, has a good application prospect.

The utility model can realize that above-mentioned embodiment just illustrates through necessary embodiment of not breaking away from of other, is not only, all in the utility model scope or the change that is equal in the scope of the utility model all surrounded by the utility model.

Claims

1. a novel Flue isolation comprises sleeve portion, airtight part and discharge portion, it is characterized in that:

Said sleeve portion is provided with sleeve pipe (1), and three arc steel plates (2) are set in this sleeve pipe (1), and this arc steel plate (2) links to each other with jackscrew (3), and jackscrew (3) passes sleeve pipe (1) and connects handle (4);

Said airtight part is for being arranged on the outside flameproof textile of sleeve pipe (1), and of this flameproof textile is fixed on the sleeve pipe (1) with clamp, and the other end is enclosed within on the outlet pipe after handling with elastic ribbon;

Said discharge portion is by the fan shaft (5) and three grades of ventilating fans (6) formation that is installed on this fan shaft (5) that are located in the sleeve pipe (1), at the top and sleeve pipe (1) connecting place of this discharge portion the triadius type support is set.

2. novel Flue isolation according to claim 1 is characterized in that: the internal surface of said arc steel plate (2) is provided with the cut of file.

3. novel Flue isolation according to claim 1 is characterized in that: said three grades of ventilating fans (6) all adopt five flabellums, and it is 7cm that rotation forms the disc diameter.

4. novel Flue isolation according to claim 1 is characterized in that: the radian of said arc steel plate (2) is π/6, and arc length is 1cm, and length is 3cm.

5. novel Flue isolation according to claim 1 is characterized in that: said flameproof textile is a silicon titanium flameproof textile.

6. according to each described novel Flue isolation of claim 1 ~ 5, it is characterized in that: said three grades of ventilating fans (6) are the plastics outer surface and smear high-temperature resistant coating and process.