Lifting smoke exhaust pipe

Abstract

The utility model provides a lifting smoke exhaust pipe, and relates to the technical field of smoke exhaust pipes. A lifting smoke exhaust pipe comprises a filter cylinder, a telescopic assembly and a connecting cylinder, the filter cylinder is connected with the telescopic assembly and the connecting cylinder in a clamped mode, a filter screen assembly is installed in the filter cylinder, the telescopic assembly is installed at the lower end of the filter cylinder and comprises a lower filter cover, a lower telescopic pipe, an upper telescopic pipe and a telescopic pipe connector, and the connecting cylinder is installed at the upper end of the filter cylinder. A fireproof assembly is installed in the connecting cylinder and comprises a temperature protector, a fireproof rotating shaft, a fireproof baffle, a manual shifting piece and an automatic shifting piece. The smoke exhaust pipe is of a split structure and is easy to disassemble, assemble and clean, the filter screen assembly in the filter cylinder can be independently taken out to be cleaned, the fireproof assembly is installed in the connecting cylinder, the fireproof plate can be manually closed or automatically closed, and the fireproof function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust pipes, in particular to a lifting smoke exhaust pipe. Background Art

[0002] In order to improve the dining environment of indoor hot pot or charcoal barbecue, a smoke exhaust pipe is installed above the hot pot or charcoal barbecue. The smoke exhaust pipe is generally placed directly above the hot pot or charcoal barbecue. Smoke is drawn through the smoke exhaust pipe so that the smoke generated by the hot pot or charcoal barbecue during food processing can be discharged to the outdoors, thereby improving the indoor dining environment, reducing the smoke generated by the hot pot or charcoal barbecue from being adsorbed on the clothes of diners, and enhancing customers' dining experience.

[0003] Most of the existing smoke exhaust pipes are integrated smoke exhaust pipes. When foreign objects cause the smoke exhaust pipes to be blocked, it is inconvenient to clean them, thereby reducing the smoke exhaust effect of the smoke exhaust device. At the same time, the existing smoke exhaust pipes do not have the function of fire prevention. When a fire breaks out indoors, the smoke exhaust pipes will suck and aggravate the fire. Utility Model Content

[0004] In view of the problems of the above-mentioned prior art, the utility model provides a lifting smoke exhaust pipe, which has a split structure and is easy to disassemble and clean. The filter assembly in the filter cylinder can be taken out and cleaned separately. A fireproof assembly is installed in the connecting cylinder, and the fireproof board can be closed manually or automatically, so it has a fireproof function.

[0005] To this end, the technical solution of the utility model is a lifting smoke exhaust pipe, including a filter cartridge, a telescopic assembly and a connecting cartridge, the filter cartridge being respectively connected to the telescopic assembly and the connecting cartridge by a clamping connection, a filter screen assembly being installed inside the filter cartridge, a telescopic assembly being installed at the lower end of the filter cartridge, the telescopic assembly comprising a lower filter cover, a lower telescopic tube, an upper telescopic tube and a telescopic tube joint, a connecting cartridge being installed at the upper end of the filter cartridge, a fireproof assembly being installed inside the connecting cartridge, and the fireproof assembly comprising a temperature fuse, a fireproof rotating shaft, a fireproof baffle, a manual paddle and an automatic paddle.

[0006] Furthermore, a filter cartridge lower joint is provided at the lower end of the filter cartridge, a filter cartridge clamping groove is provided on the filter cartridge lower joint, a filter cartridge upper joint is provided at the upper end of the filter cartridge, and a filter cartridge door is provided in the middle of the filter cartridge.

[0007] Furthermore, the filter assembly includes a filter base, a middle filter and a filter cover. The filter base and the filter cover are snap-connected together, and the middle filter is located between the filter base and the filter cover.

[0008] Furthermore, the number of the middle filter screens is one or more, and the multiple middle filter screens are nested and combined together.

[0009] Furthermore, a base ring plate is provided at the lower end of the filter base, a base upper plate is provided at the upper end of the filter base, an inner ring edge of the base ring plate is fixedly connected to the base upper plate through the base filter, and a snap-in hole is provided in the middle of the base upper plate.

[0010] Furthermore, a handle is provided on one side of the filter cover, a rotating column is provided in the middle of the inner side of the filter cover, a snap-in knob is installed on the rotating column, the snap-in knob is rotatably connected to the rotating column, and a snap-in compression spring is provided between the snap-in knob and the top of the rotating column.

[0011] Furthermore, the lower filter cover is clamped and connected to the lower telescopic tube, the lower telescopic tube is telescopically connected to the upper telescopic tube, and the upper telescopic tube is fixedly connected to the telescopic tube joint.

[0012] Furthermore, a filter cover net is provided inside the lower filter cover, a filter cover clamping column is provided on the lower filter cover, a locking seat is provided on the outer side wall of the upper end of the lower telescopic tube, a filter cover clamping groove is provided on the lower end of the lower telescopic tube, a guide rod fixing block is provided on the inner side wall of the lower end of the lower telescopic tube, a locking head and a lamp holder are provided on the outer side wall of the upper end of the upper telescopic tube, a guide rod base is provided on the inner side wall of the upper telescopic tube, and a filter cartridge clamping column is provided on the telescopic tube joint.

[0013] Furthermore, a lifting guide rod is installed on the guide rod fixing block, the lifting guide rod is slidably connected to the guide rod fixing block, the lower end of the lifting guide rod is fixedly connected to the guide rod base of the lower telescopic tube, an upper column pin is provided at the upper end of the lifting guide rod, a lower column pin is provided in the middle of the lifting guide rod, a buffer spring is provided between the upper column pin and the guide rod fixing block, and spring washers are provided at both ends of the buffer spring.

[0014] Furthermore, the manual paddle is fixedly connected to the fireproof shaft, the manual paddle is provided with an annular groove, the automatic paddle is rotationally connected to the fireproof shaft, the automatic paddle is provided with a first support plate and a second support plate, the first support plate is provided with a fireproof knob, the fireproof knob is installed inside the annular groove, and the second support plate of the automatic paddle is provided with a torsion spring.

[0015] The beneficial effect of the utility model is that a lifting smoke exhaust pipe includes a filter cartridge, a telescopic assembly and a connecting cartridge. The filter cartridge, the telescopic assembly and the connecting cartridge are mutually clamped and connected and can be disassembled and cleaned, which facilitates subsequent cleaning and maintenance. After the filter cartridge door of the filter cartridge is opened, the filter screen assembly can be conveniently taken out for cleaning, which further facilitates the cleaning of the filter cartridge.

[0016] A fireproof assembly is installed inside the connecting tube, and a manual paddle and an automatic paddle are provided at one end of the fireproof rotating shaft. The manual paddle and the automatic paddle are connected by a fireproof knob. If the first branch of the automatic paddle is not fixedly connected to the manual paddle by the fireproof knob, the automatic paddle and the manual paddle rotate relatively within the range limited by the annular groove, and the passage of the connecting tube can be opened or closed by rotating the manual paddle. If the first branch of the automatic paddle is fixedly connected to the manual paddle by the fireproof knob, after the temperature fuse is melted, under the torsion of the torsion spring, the automatic paddle drives the manual paddle to rotate together to close the connecting tube. The fireproof function of the smoke exhaust pipe is realized. When a fire occurs indoors, the smoke exhaust pipe is closed manually or automatically to avoid aggravating the fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 yes Figure 1 The main view;

[0019] Figure 3 is a schematic diagram of the structure of the telescopic tube assembly;

[0020] Figure 4 yes Figure 3 A cross-sectional view of

[0021] Figure 5 It is a schematic diagram of the structure of the lower filter cover;

[0022] Figure 6 is a schematic diagram of the structure of the lower telescopic tube;

[0023] Figure 7 is a schematic diagram of the structure of the upper telescopic tube;

[0024] Figure 8 It is a schematic diagram of the structure of the filter cartridge;

[0025] Fig. 9 is an exploded schematic diagram of the filter assembly;

[0026] Fig.10 It is a schematic diagram of the structure of the filter base;

[0027] Fig.11 It is a structural schematic diagram of the connecting tube;

[0028] Fig.12 It is a schematic diagram of the structure of the fire protection assembly;

[0029] Fig.13 yes Fig.12 Top view of the .

[0030] Explanation of symbols in the figure:

[0031] 1. Filter cartridge; 11. Filter cartridge lower joint; 1101. Filter cartridge slot; 12. Filter cartridge upper joint; 13. Filter cartridge door; 2. Telescopic assembly; 21. Lower filter cover; 2101. Filter cover net; 2102. Filter cover post; 22. Lower telescopic tube; 2201. Locking seat; 2202. Filter cover slot; 2203. Guide rod base; 23. Upper telescopic tube; 2301. Locking head; 2302. Lamp holder; 2303. Guide rod fixing block; 24. Telescopic tube joint; 2401. Filter cartridge post; 25. Lifting guide rod; 2501. Upper column pin; 2502. Lower column pin; 2503. Buffer spring; 3. Connecting cylinder; 4. Fireproof component; 41. Temperature fuse; 42. Fireproof shaft; 43. Fireproof baffle; 44. Manual paddle; 4401. Annular groove; 45. Automatic paddle; 4501. First branch; 4502. Second branch; 46. Fireproof knob; 47. Torsion spring; 5. Filter assembly; 51. Filter base; 5101. Base ring plate; 5102. Base filter; 5103. Base upper plate; 51031. Snap-in hole; 52. Middle filter; 53. Filter cover; 5301. Handle; 5302. Rotating column; 5303. Snap-in knob; 5304. Snap-in compression spring. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] like Figure 1-Figure 13 As shown, the utility model provides a lifting smoke exhaust pipe, which includes a filter cartridge 1, a filter screen assembly 5 is installed inside the filter cartridge 1, the filter cartridge 1 is used for adsorbing and filtering smoke inside the smoke exhaust pipe, a telescopic assembly 2 is installed at the lower end of the filter cartridge 1, the telescopic assembly 2 is used for telescopic extension of the length of the smoke exhaust pipe, a connecting cylinder 3 is installed at the upper end of the filter cartridge 1, the connecting cylinder 3 is used for connecting to a flue, a fireproof assembly 4 is installed inside the connecting cylinder 3, and the fireproof assembly 4 is used for manually or automatically controlling the opening and closing of the smoke exhaust pipe.

[0034] A filter cartridge lower joint 11 is provided at the lower end of the filter cartridge 1, and the filter cartridge lower joint 11 is used to install the telescopic component 2. A filter cartridge slot 1101 is provided on the filter cartridge lower joint 11. A filter cartridge upper joint 12 is provided at the upper end of the filter cartridge 1, and the filter cartridge upper joint 12 is used to install the connecting cylinder 3. A filter cartridge door 13 is provided in the middle of the filter cartridge 1, and the filter cartridge door 13 is used for cleaning and maintenance of the filter cartridge 1. By opening the filter cartridge door 13, the filter screen assembly 5 can be easily taken out for cleaning, which facilitates the cleaning of the filter cartridge 1.

[0035] The filter assembly 5 includes a filter base 51, a middle filter 52 and a filter cover 53. The filter base 51 and the filter cover 53 are snap-connected together. The middle filter 52 is located between the filter base 51 and the filter cover 53. The number of middle filters 52 is one or more. Multiple middle filters 52 are nested and combined together to achieve a better filtering effect.

[0036] A base ring plate 5101 is provided at the lower end of the filter base 51, and a base upper plate 5103 is provided at the upper end of the filter base 51. The inner ring edge of the base ring plate 5101 is fixedly connected to the base upper plate 5103 through the base filter 5102, and a snap-in hole 53031 is provided in the middle of the base upper plate 5103.

[0037] A handle 5301 is provided on one side of the filter cover 53, and a rotating column 5302 is provided in the middle of the inner side of the filter cover 53. A snap-in knob 5303 is installed on the rotating column 5302. The snap-in knob 5303 is rotatably connected to the rotating column 5302. A snap-in compression spring 5303 is provided between the snap-in knob 5303 and the top of the rotating column 5302. The snap-in compression spring 5303 is used for tightening the snap-in knob 5303. The snap-in knob 5303 cooperates with the snap-in hole 53031 to realize the snap connection between the filter base 51 and the filter cover 53.

[0038] The telescopic assembly 2 includes a lower filter cover 21, a lower telescopic tube 22, an upper telescopic tube 23 and a telescopic tube joint 24. The lower filter cover 21 is connected to the lower telescopic tube 22 by clamping, the lower telescopic tube 22 is telescopically connected to the upper telescopic tube 23, the upper telescopic tube 23 is fixedly connected to the telescopic tube joint 24, a filter cover net 2101 is provided inside the lower filter cover 21, a filter cover clamping column 2102 is provided on the lower filter cover 21, a locking seat 2201 is provided on the outer side wall of the upper end of the lower telescopic tube 22, a filter cover clamping groove 2202 is provided at the lower end of the lower telescopic tube 22, a guide rod base 2203 is provided on the inner side wall of the lower end of the lower telescopic tube 22, and the lower filter cover 21 is connected to the lower telescopic tube 22 by clamping. The filter cover clamping column 2102 and the filter cover clamping groove 2202 are used.

[0039] The outer side wall of the upper end of the upper telescopic tube 23 is provided with a locking head 2301 and a lamp holder 2302. The locking head 2301 and the locking holder 2201 are used to lock the lower telescopic tube 22 and the upper telescopic tube 23 when they are compressed. The lamp holder 2302 is used to install the lighting lamp. The inner side wall of the upper telescopic tube 23 is provided with a guide rod fixing block 2303.

[0040] A lifting guide rod 25 is installed on the guide rod fixing block 2303, and the lifting guide rod 25 is slidably connected to the guide rod fixing block 2303. The lifting guide rod 25 is used for connecting and guiding the lower telescopic tube 22 and the upper telescopic tube 23 during telescopic movement. The lower end of the lifting guide rod 25 is fixedly connected to the guide rod base 2203 of the lower telescopic tube 22. An upper column pin 2501 is provided at the upper end of the lifting guide rod 25, and a lower column pin 2502 is provided in the middle of the lifting guide rod 25. A buffer spring 2503 is provided between the upper column pin 2501 and the guide rod fixing block 2303, and spring washers are provided at both ends of the buffer spring 2503.

[0041] The telescopic pipe joint 24 is provided with a filter cartridge clamping column 2401, which cooperates with the filter cartridge clamping groove 1101 to realize the clamping connection between the telescopic component 2 and the filter cartridge. The telescopic component 2 and the lower filter cover 21 can be disassembled and cleaned.

[0042] The fireproof assembly 4 includes a temperature fuse 41 and a fireproof rotating shaft 42. The temperature fuse 41 is a fusible fuse. When the temperature is greater than its fusing temperature, the fuse will fusing. Its fusing temperature is 180-200 degrees.

[0043] A fireproof baffle 43 is installed in the middle of the fireproof rotating shaft 42. The fireproof baffle 43 matches the inner diameter of the connecting tube 3. The fireproof baffle 43 is used for opening and closing the connecting tube 3. Inside the connecting tube 3, in the closed position of the fireproof baffle 43, two semi-annular sealing strips are provided on the inner wall of the connecting tube 3, one sealing strip is located above the fireproof baffle 43, and the other sealing strip is located below the fireproof baffle 43. When the fireproof baffle 43 is closed, the sealing strip plays a sealing role.

[0044] A manual paddle 44 is provided at one end of the fireproof shaft 42, and the manual paddle 44 is fixedly connected to the fireproof shaft 42. The fireproof baffle 43 can be driven to open and close by rotating the manual paddle 44. An annular groove 4401 is provided on the manual paddle 44, and an automatic paddle 45 is provided on the inner side of the manual paddle 44. The automatic paddle 45 is rotatably connected to the fireproof shaft 42. A first support piece 4501 and a second support piece 4502 are provided on the automatic paddle 45, and a fireproof knob 46 is provided on the first support piece 4501. The fireproof knob 46 is installed inside the annular groove 4401. When the fireproof knob 46 is tightened, the automatic paddle 45 and the manual paddle 44 are fixed together. When the fireproof knob 46 is loosened, the automatic paddle 45 and the manual paddle 44 rotate relative to each other within the range defined by the annular groove 4401.

[0045] A torsion spring 47 is provided on the second branch piece 4502 of the automatic paddle 45, one end of the torsion spring 47 is connected to the connecting tube 3, and the other end of the torsion spring 47 is connected to the second branch piece 4502 of the automatic paddle 45. When the torsion spring 47 is in an elastic compression state, the second branch piece 4502 of the automatic paddle 45 is stuck by the temperature fuse 41. After the temperature fuse 41 melts, the automatic paddle 45 rotates under the torsion force of the torsion spring 47. If at this time the first branch piece 4501 of the automatic paddle 45 is fixedly connected to the manual paddle 44 through the fireproof knob 46, the automatic paddle 45 drives the manual paddle 44 to rotate together to close the connecting tube 3.

[0046] The second branch 4502 of the automatic paddle 45 is stuck by the temperature fuse 41. When the temperature fuse 41 is not blown, if the first branch 4501 of the automatic paddle 45 and the manual paddle 44 are not fixedly connected by the fireproof knob 46, the automatic paddle 45 and the manual paddle 44 rotate relative to each other within the range defined by the annular groove 4401, and the channel of the connecting tube 3 can be opened or closed by rotating the manual paddle 44.

[0047] The utility model provides a lifting smoke exhaust pipe, which includes a filter cartridge 1, a telescopic component 2 and a connecting cartridge 3. The filter cartridge 1, the telescopic component 2 and the connecting cartridge 3 are mutually clamped and connected and can be disassembled and cleaned, which is convenient for subsequent cleaning and maintenance. After the filter cartridge door 13 of the filter cartridge 1 is opened, the filter screen component 5 can be conveniently taken out for cleaning, which further facilitates the cleaning of the filter cartridge 1.

[0048] The fireproof assembly 4 is installed inside the connecting tube 3, and a manual paddle 44 and an automatic paddle 45 are provided at one end of the fireproof rotating shaft 42. The manual paddle 44 and the automatic paddle 45 are connected by a fireproof knob 46. If the first branch 4501 of the automatic paddle 45 is not fixedly connected to the manual paddle 44 by the fireproof knob 46, the automatic paddle 45 and the manual paddle 44 rotate relatively within the range defined by the annular groove 4401, and the passage of the connecting tube 3 can be opened or closed by rotating the manual paddle 44. If the first branch 4501 of the automatic paddle 45 is fixedly connected to the manual paddle 44 by the fireproof knob 46, after the temperature fuse 41 is melted, under the torsion of the torsion spring 47, the automatic paddle 45 drives the manual paddle 44 to rotate together to close the connecting tube 3. The fireproof function of the smoke exhaust pipe is realized. When a fire occurs indoors, the smoke exhaust pipe is closed manually or automatically to avoid aggravating the fire.

[0049] However, the above is only a specific embodiment of the present invention, and should not be used to limit the scope of implementation of the present invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the scope of protection of the patent of the present invention should still fall within the scope covered by the claims of the present invention.

Claims

1. A lifting smoke exhaust pipe, characterized in that: It includes a filter cartridge, a telescopic assembly and a connecting cartridge, the filter cartridge is respectively connected with the telescopic assembly and the connecting cartridge by snap-connection, a filter screen assembly is installed inside the filter cartridge, a telescopic assembly is installed at the lower end of the filter cartridge, the telescopic assembly includes a lower filter cover, a lower telescopic tube, an upper telescopic tube and a telescopic tube joint, a connecting cartridge is installed at the upper end of the filter cartridge, a fireproof assembly is installed inside the connecting cartridge, and the fireproof assembly includes a temperature fuse, a fireproof rotating shaft, a fireproof baffle, a manual paddle and an automatic paddle.

2. The lifting smoke exhaust pipe according to claim 1 is characterized in that: A filter cartridge lower joint is arranged at the lower end of the filter cartridge, a filter cartridge clamping groove is arranged on the filter cartridge lower joint, a filter cartridge upper joint is arranged at the upper end of the filter cartridge, and a filter cartridge door is arranged in the middle of the filter cartridge.

3. The lifting smoke exhaust pipe according to claim 1 is characterized in that: The filter assembly comprises a filter base, a middle filter and a filter cover. The filter base and the filter cover are snap-connected together, and the middle filter is located between the filter base and the filter cover.

4. The lifting smoke exhaust pipe according to claim 3 is characterized in that: The number of the middle filter screens is one or more, and the multiple middle filter screens are nested and combined together.

5. The lifting smoke exhaust pipe according to claim 3 is characterized in that: A base ring plate is provided at the lower end of the filter base, a base upper plate is provided at the upper end of the filter base, an inner ring edge of the base ring plate is fixedly connected to the base upper plate through the base filter, and a snap-in hole is provided in the middle of the base upper plate.

6. The lifting smoke exhaust pipe according to claim 3 is characterized in that: A handle is provided on one side of the filter cover, a rotating column is provided in the middle of the inner side of the filter cover, a clamping knob is installed on the rotating column, the clamping knob is rotatably connected to the rotating column, and a clamping compression spring is provided between the clamping knob and the top of the rotating column.

7. The lifting smoke exhaust pipe according to claim 1 is characterized in that: The lower filter cover is clamped and connected with the lower telescopic tube, the lower telescopic tube is telescopically connected with the upper telescopic tube, and the upper telescopic tube is fixedly connected with the telescopic tube joint.

8. The lifting smoke exhaust pipe according to claim 7, characterized in that: A filter cover net is provided inside the lower filter cover, a filter cover clamping column is provided on the lower filter cover, a locking seat is provided on the outer side wall of the upper end of the lower telescopic tube, a filter cover clamping groove is provided on the lower end of the lower telescopic tube, a guide rod fixing block is provided on the inner side wall of the lower end of the lower telescopic tube, a locking head and a lamp holder are provided on the outer side wall of the upper end of the upper telescopic tube, a guide rod base is provided on the inner side wall of the upper telescopic tube, and a filter cartridge clamping column is provided on the telescopic tube joint.

9. The lifting smoke exhaust pipe according to claim 8, characterized in that: A lifting guide rod is installed on the guide rod fixing block, and the lifting guide rod is slidably connected to the guide rod fixing block. The lower end of the lifting guide rod is fixedly connected to the guide rod base of the lower telescopic tube. An upper column pin is provided at the upper end of the lifting guide rod, and a lower column pin is provided in the middle of the lifting guide rod. A buffer spring is provided between the upper column pin and the guide rod fixing block, and spring washers are provided at both ends of the buffer spring.

10. The lifting smoke exhaust pipe according to claim 1, characterized in that: The manual paddle is fixedly connected to the fireproof shaft, and an annular groove is provided on the manual paddle. The automatic paddle is rotationally connected to the fireproof shaft, and a first support piece and a second support piece are provided on the automatic paddle. The first support piece is provided with a fireproof knob, and the fireproof knob is installed inside the annular groove. A torsion spring is provided on the second support piece of the automatic paddle.

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