Flue gas isolation baffle air door

Abstract

The utility model relates to the technical field of baffle air doors, and discloses a smoke isolation baffle air door which comprises a steel pipe, round flanges are fixedly installed on the front face and the back face of the steel pipe respectively, an isolation assembly is arranged in the steel pipe, and the isolation assembly comprises driving components arranged on the two sides of the steel pipe; and the fixing part is arranged on one side of the driving part. The output end of the motor is connected with the short shaft, the short shaft is rotationally connected with the baffle through a bearing, the short shaft is fixedly sleeved with the fixed sleeve, when the motor rotates, the fixed sleeve can rotate along with the motor, the first push rod and the second push rod are fixedly installed on the outer wall of the fixed sleeve, and when the fixed sleeve rotates, the push rods can push the clamping rods to clamp the clamping rods. The clamping rod can stretch into a clamping groove in the check ring, so that the baffle is fixed to the current position, the limiting square plate is arranged on one side of the clamping rod and used for preventing the motor from driving the push rod to rotate excessively, and smoke is thoroughly prevented from entering.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of baffle damper, concretely is a flue gas isolation baffle damper. BACKGROUND

[0002] Baffle damper, also known as shut-off door, air duct baffle door or flue baffle door, is an important air pipe component. The main function of baffle damper is to regulate or isolate the airflow in the air pipe. In the boiler smoke air pipe line, baffle damper controls the pressure, temperature, quantity and other parameters of the medium in the system by adjusting the rotation angle of the blade. In addition, baffle damper is also commonly used in the smoke pipe and air duct in power plants or other industries as a cutting medium, with the functions of full opening and full closing, making the medium in a certain pipe of the system flow or close completely.

[0003] Traditional damper often relies on physical contact of baffle to achieve sealing when closing, but this contact method often fails to completely isolate the flue gas. Especially after long-term use, due to wear and deformation, the sealing performance of baffle will gradually decrease, increasing the risk of flue gas leakage. And during the opening and closing process of traditional damper, manual operation or complex electric drive system is usually needed. These operation methods not only waste time and effort, but also may not respond quickly in emergency, thus delaying the best opportunity for flue gas isolation. SUMMARY

[0004] The utility model aims at providing a kind of flue gas isolation baffle damper, to achieve the purpose of fast isolation flue gas.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of flue gas isolation baffle damper, including steel pipe, the front and back of the steel pipe are respectively fixedly installed with circular flange, the inside of the steel pipe is provided with isolation assembly.

[0006] Preferably, the isolation assembly includes: driving component, is arranged in the two sides of steel pipe;Fixed component, is arranged in one side of driving component.

[0007] Preferably, the driving component includes: channel steel, is fixedly installed in the two sides of steel pipe symmetrically;Baffle ring, is fixedly sleeved in the inner wall of steel pipe.

[0008] Preferably, the outer side of the channel steel is fixedly provided with a fixing frame, the inner side of the fixing frame is fixedly provided with a motor, the outer side of the channel steel is respectively fixedly provided with a square bearing seat, the output end of the motor is provided with a long shaft, the long shaft is rotationally connected with the square bearing seat, the other end of the long shaft is movably penetrated through the outer side of the channel steel, one side of the steel pipe, the other side of the steel pipe, the inner side of the other channel steel and extends to the outer side of the other channel steel and is rotationally connected with the other square bearing seat, the other end of the long shaft is fixedly sleeved with a transmission arm, the two sides of the transmission arm are respectively fixedly provided with an elastic shaft collar.

[0009] Preferably, the elastic shaft collar is fixedly connected with the long shaft, the two sides of the elastic shaft collar are respectively provided with a groove, one side of the long shaft is fixedly provided with a baffle through bolts, the top and the bottom of the baffle are respectively fixedly provided with a baffle strip, the baffle strip is clamped and connected with the elastic shaft collar through the groove, the baffle and the elastic shaft collar are matched, the spring washer and the flat washer are arranged between the bolt and the baffle, the flat washer is arranged between the spring washer and the flat washer, and the internal circle of the elastic shaft collar is equally provided with a clamping groove.

[0010] Preferably, the fixing part comprises: a protective shell, symmetrically fixedly installed on the two sides of the baffle; a fixed plate one, circumferentially and equidistantly installed on the two sides of the baffle; and a limiting square plate, circumferentially and equidistantly installed on the two sides of the baffle.

[0011] Preferably, the inner wall of the protective shell is fixedly provided with a motor, the output end of the motor is provided with a short shaft, the other end of the short shaft is rotationally connected with the baffle through a bearing, the outer wall of the short shaft is fixedly sleeved with a fixing sleeve, the outer wall of the fixing sleeve is fixedly provided with a push rod one, the two sides of the push rod one are symmetrically fixedly provided with a push rod two, the inside of the fixed plate one is slidably sleeved with a connecting rod, one end of the connecting rod is fixedly provided with a limiting circular plate, and the other end of the connecting rod is fixedly provided with a fixed plate two.

[0012] Preferably, the outer wall of the connecting rod is sleeved with a spring, one end of the spring is fixedly connected with the fixed plate one, the other end of the spring is fixedly connected with the fixed plate two, the outer side of the fixed plate two is fixedly provided with a clamping rod, the clamping rod is circumferentially and equidistantly arranged on the two sides of the baffle, the clamping rod is matched with the push rod one and the push rod two respectively, the limiting square plate is arranged on one side of the clamping rod, and the clamping rod is clamped and connected with the elastic shaft collar through the clamping groove.

[0013] The utility model provides a smoke insulation baffle air door, has the following beneficial effects:

[0014] (1), the utility model discloses a motor starts, and the output of motor is connected with short shaft, and short shaft is rotatably connected with baffle through bearing, and fixed sleeve is fixed on short shaft, when the motor rotates, fixed sleeve also rotates along, and the outer wall of fixed sleeve is fixedly installed with push rod no. 1 and push rod no. 2, when fixed sleeve rotates, push rod will push the clamping rod, and the clamping rod will extend into the clamping slot in the inside of baffle, thereby fixing baffle at the current position, and the limiting square plate is arranged on one side of clamping rod, is used for preventing the rotation of push rod driven by motor from being excessive, reaches the thorough partition of flue gas.

[0015] (2), the utility model discloses the clamping rod when being pushed drives fixed plate no. 2 to move, and fixed plate no. 2 moves and drives connecting rod to move upwards in the inside of fixed plate no. 1, and fixed plate no. 2 drives spring to stretch simultaneously, and the limiting round plate can prevent connecting rod from moving excessively, reaches the effect that the clamping rod can automatically restore to the original position after opening baffle damper, and is convenient for subsequent fixed baffle. DRAWINGS

[0016] Figure 1 It is the overall structure perspective diagram of the utility model;

[0017] Figure 2 It is the overall structure back cutaway view of the utility model;

[0018] Figure 3 It is the overall structure front cutaway view of the utility model;

[0019] Figure 4 It is the fixed component structure cutaway view of the utility model.

[0020] In the drawing: 1 steel pipe, 2 round flange, 3 isolation assembly;

[0021] 31 drive component, 311 channel steel, 312 fixed stand, 313 motor, 314 long shaft, 315 baffle ring, 316 elastic baffle ring for shaft, 317 transmission arm, 318 bolt, 319 baffle, 3111 spring washer, 3112 flat washer, 3113 square bearing seat, 3114 stop bar;

[0022] 32 fixed component, 321 protective shell, 322 short shaft, 323 motor, 324 fixed sleeve, 325 push rod no. 1, 326 push rod no. 2, 327 clamping rod, 328 fixed plate no. 1, 329 fixed plate no. 2, 3211 connecting rod, 3212 spring, 3213 limiting round plate, 3214 limiting square plate. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Examples of the described embodiments are illustrated in the accompanying drawings, in which like or similar elements or elements having the same or similar functions are denoted throughout by the same or similar reference numerals. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0025] Embodiment one:

[0026] The preferred embodiment of the flue gas isolation baffle damper provided by the present application is shown in Figures 1-4 The flue gas isolation baffle damper comprises a steel pipe 1, circular flanges 2 are fixedly installed on the front and back of the steel pipe 1, an isolation assembly 3 is arranged inside the steel pipe 1, the isolation assembly 3 comprises: a driving component 31 arranged on both sides of the steel pipe 1; a fixed component 32 arranged on one side of the driving component 31; the driving component 31 comprises: a channel steel 311 fixedly installed on both sides of the steel pipe 1; a baffle ring 315 fixedly sleeved on the inner wall of the steel pipe 1; a fixed frame 312 is fixedly installed on the outer side of the channel steel 311, a motor 313 is fixedly installed on the inner side of the fixed frame 312, square bearing seats 3113 are fixedly installed on the outer side of the channel steel 311, respectively, a long shaft 314 is arranged on the output end of the motor 313, the long shaft 314 is rotatably connected with the square bearing seats 3113, the other end of the long shaft 314 is movably penetrated through the outer side of the channel steel 311, one side of the steel pipe 1, the other side of the steel pipe 1, the inner side of the other channel steel 311 and extends to the outer side of the other channel steel 311, and is rotatably connected with the other square bearing seat 3113, a transmission arm 317 is fixedly sleeved on the other end of the long shaft 314, shaft elastic baffle rings 316 are fixedly installed on both sides of the transmission arm 317, respectively, the shaft elastic baffle rings 316 are fixedly connected with the long shaft 314, recesses are arranged on both sides of the baffle ring 315, respectively, a baffle plate 319 is fixedly installed on one side of the long shaft 314 through bolts 318, baffle strips 3114 are symmetrically fixedly installed on the top and bottom of the baffle plate 319, respectively, the baffle strips 3114 are clamped and connected with the baffle ring 315 through the recesses, the baffle plate 319 is matched with the baffle ring 315, spring washers 3111 and flat washers 3112 are arranged between the bolts 318 and the baffle plate 319, the flat washers 3112 are arranged between the spring washers 3111 and the flat washers 3112, and clamping grooves are equidistantly arranged in the inner circle of the baffle ring 315.

[0027] Furthermore, in this embodiment, the motor 313 is activated, and the output end of the motor is connected to the long shaft 314. The long shaft 314 rotates between the channel steels 311 via the square bearing seat 3113. Since the long shaft 314 runs through the entire steel pipe 1, its rotation can drive the transmission arm 317 at one end to move synchronously. The long shaft 314 is connected to the baffle 319 via bolts 318. When the long shaft 314 rotates, the baffle 319 can be opened or closed. The spring washer 3111 and the flat washer 3112 are used to increase the stability of the bolt 318 connection and prevent loosening. The retaining strip 3114 on the baffle 319 will engage with the groove on the retaining ring 315 to ensure the stability and positional accuracy of the baffle 319 during movement.

[0028] Example 2:

[0029] Based on Embodiment 1, a preferred embodiment of the flue gas isolation damper provided by this utility model is as follows: Figures 1-4 As shown: The fixing component 32 includes: a protective shell 321, symmetrically fixedly installed on both sides of the baffle 319; a fixing plate 328, circumferentially and equidistantly installed on both sides of the baffle 319; a limiting square plate 3214, circumferentially and equidistantly installed on both sides of the baffle 319; a motor 323 is fixedly installed on the inner wall of the protective shell 321, the output end of the motor 323 is provided with a short shaft 322, the other end of the short shaft 322 is rotatably connected to the baffle 319 through a bearing, a fixing sleeve 324 is fixedly sleeved on the outer wall of the short shaft 322, a push rod 325 is fixedly installed on the outer wall of the fixing sleeve 324, push rods 326 are symmetrically fixedly installed on both sides of the push rod 325, and a connecting rod is slidably sleeved inside the fixing plate 328. 3211, a limiting circular plate 3213 is fixedly installed at one end of the connecting rod 3211, and a fixing plate 329 is fixedly installed at the other end of the connecting rod 3211. A spring 3212 is sleeved on the outer wall of the connecting rod 3211. One end of the spring 3212 is fixedly connected to the fixing plate 328, and the other end of the spring 3212 is fixedly connected to the fixing plate 329. A locking rod 327 is fixedly installed on the outer side of the fixing plate 329. The locking rod 327 is circumferentially and equidistantly arranged on both sides of the baffle 319. The locking rod 327 is adapted to the push rod 325 and the push rod 326 respectively. A limiting square plate 3214 is arranged on one side of the locking rod 327. The locking rod 327 is engaged with the retaining ring 315 through the locking groove.

[0030] Further, in the embodiment, the motor 323 is started, the output end of the motor 323 is connected with the short shaft 322, the short shaft 322 is rotatably connected with the baffle 319 through a bearing, a fixed sleeve 324 is fixedly sleeved on the short shaft 322, when the motor 323 rotates, the fixed sleeve 324 also rotates, the outer wall of the fixed sleeve 324 is fixedly installed with a push rod one 325 and a push rod two 326, when the fixed sleeve 324 rotates, the push rod 325 pushes the clamping rod 327, the clamping rod 327 is circumferentially equidistantly arranged on both sides of the baffle 319, and they slide in the protective shell 321 through the connecting rod 3211 connected by the spring 3212 and the fixed plate one 328 and the fixed plate two 329; when the push rod 325 pushes the clamping rod 327, the clamping rod 327 extends into the clamping groove in the baffle 319, so that the baffle 319 is fixed at the current position, the limiting square plate 3214 is arranged on one side of the clamping rod 3214, and is used for preventing the motor 323 from rotating excessively with the push rod 325, and the baffle 319 is fixed after the fixed plate one 328 and the fixed plate two 329 are fixed, so as to prevent the smoke from entering.

[0031] In use, when the smoke isolation baffle air door needs to be operated, the motor 313 is started, the output end of the motor is connected with the long shaft 314, the long shaft 314 rotates between the channel steel 311 through the square shaft bearing seat 3113, since the long shaft 314 penetrates the entire steel pipe 1, the rotation of the long shaft 314 can drive the transmission arm 317 at one end to move synchronously, the long shaft 314 is connected with the baffle 319 through the bolt 318, when the long shaft 314 rotates, the baffle 319 can be opened or closed, the spring washer 3111 and the flat washer 3112 are used for increasing the stability of bolt 318 connection and preventing loosening, the baffle 319 is connected with the baffle 319, and the baffle 319 is connected with the baffle 319. Further, in the embodiment, the motor 323 is started, the output end of the motor 323 is connected with the short shaft 322, the short shaft 322 is rotatably connected with the baffle 319 through a bearing, a fixed sleeve 324 is fixedly sleeved on the short shaft 322, when the motor 323 rotates, the fixed sleeve 324 also rotates, the outer wall of the fixed sleeve 324 is fixedly installed with a push rod one 325 and a push rod two 326, when the fixed sleeve 324 rotates, the push rod 325 pushes the clamping rod 327, the clamping rod 327 is circumferentially equidistantly arranged on both sides of the baffle 319, and they slide in the protective shell 321 through the connecting rod 3211 connected by the spring 3212 and the fixed plate one 328 and the fixed plate two 329; when the push rod 325 pushes the clamping rod 327, the clamping rod 327 extends into the clamping groove in the baffle 319, so that the baffle 319 is fixed at the current position, the limiting square plate 3214 is arranged on one side of the clamping rod 3214, and is used for preventing the motor 323 from rotating excessively with the push rod 325, and the baffle 319 is fixed after the fixed plate one 328 and the fixed plate two 329 are fixed, so as to prevent the smoke from entering.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A fume damper comprising a steel tube (1), characterised in that: The front and back of the steel pipe (1) are respectively fixedly installed with circular flanges (2), the inside of the steel pipe (1) is provided with an insulation assembly (3), the insulation assembly (3) comprises: A driving part (31) is arranged on both sides of the steel pipe (1); A fixing part (32) is arranged on one side of the driving part (31); The driving part (31) comprises: Channel steels (311) are symmetrically fixedly installed on both sides of the steel pipe (1); A baffle ring (315) is fixedly sleeved on the inner wall of the steel pipe (1); The fixing part (32) comprises: A protective shell (321) is symmetrically fixedly installed on both sides of the baffle (319); A fixed plate one (328) is circumferentially equidistantly installed on both sides of the baffle (319); Limiting square plates (3214) are circumferentially equidistantly installed on both sides of the baffle (319).

2. A fume damper according to claim 1, characterised in that: A fixed frame (312) is fixedly installed on the outside of the channel steel (311), a motor (313) is fixedly installed on the inside of the fixed frame (312), square bearing seats (3113) are respectively fixedly installed on the outside of the channel steel (311), a long shaft (314) is arranged on the output end of the motor (313), the long shaft (314) is rotatably connected with the square bearing seat (3113), the other end of the long shaft (314) is movably penetrated through the outside of the channel steel (311), one side of the steel pipe (1), the other side of the steel pipe (1), the inside of the other channel steel (311) and extends to the outside of the other channel steel (311), and is rotatably connected with the other square bearing seat (3113), a transmission arm (317) is fixedly sleeved on the other end of the long shaft (314), shaft elastic baffle rings (316) are respectively fixedly installed on both sides of the transmission arm (317).

3. A fume damper according to claim 2, wherein: The shaft elastic baffle ring (316) is fixedly connected with the long shaft (314), recesses are respectively formed in both sides of the baffle ring (315), a baffle (319) is fixedly installed on one side of the long shaft (314) through bolts (318), baffle strips (3114) are symmetrically fixedly installed on the top and bottom of the baffle (319), the baffle strips (3114) are clampedly connected with the baffle ring (315) through the recesses, the baffle (319) is matched with the baffle ring (315), spring washers (3111) and flat washers (3112) are arranged between the bolts (318) and the baffle (319), the flat washers (3112) are arranged between the spring washers (3111) and the flat washers (3112), clamping grooves are equidistantly formed in the inside of the baffle ring (315).

4. A fume damper according to claim 1, wherein: The inner wall of the protective shell (321) is fixedly installed with a motor (323), the output end of the motor (323) is provided with a short shaft (322), the other end of the short shaft (322) is rotatably connected with the baffle (319) through a bearing, the outer wall of the short shaft (322) is fixedly sleeved with a fixed sleeve (324), the outer wall of the fixed sleeve (324) is fixedly installed with a push rod one (325), the two sides of the push rod one (325) are fixedly installed with a push rod two (326) in symmetry, the inside of the fixed plate one (328) is slidably sleeved with a connecting rod (3211), one end of the connecting rod (3211) is fixedly installed with a limiting circular plate (3213), the other end of the connecting rod (3211) is fixedly installed with a fixed plate two (329).

5. A fume damper according to claim 4, wherein: The outer wall of the connecting rod (3211) is sleeved with a spring (3212), one end of the spring (3212) is fixedly connected with the fixed plate one (328), the other end of the spring (3212) is fixedly connected with the fixed plate two (329), the outer side of the fixed plate two (329) is fixedly installed with a clamping rod (327), the clamping rod (327) is circumferentially equidistantly arranged on the two sides of the baffle (319), the clamping rod (327) is matched with the push rod one (325) and the push rod two (326) respectively, the limiting square plate (3214) is arranged on one side of the clamping rod (327), and the clamping rod (327) is clamped and connected with the check ring (315) through a clamping groove.

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