阅读说明：本技术 一种便于安装和拆卸的空调通风管道 (Air conditioner ventilation pipeline convenient to installation and dismantlement ) 是由 张朋修 于 2021-09-13 设计创作，主要内容包括：本发明涉及空调通风管道技术领域,提出了一种便于安装和拆卸的空调通风管道,其连接处的接触面积较大,连接可靠性较高,安装操作较为省力,拆卸较为便捷,风道管内的灰尘能够收集,清理较为容易,包括首道管和多节风道管,多节风道管中每相邻的两个风道管之间以及首道管与多节风道管中最左侧的一个风道管之间均通过连接组件连接,多个连接组件均包括连接外筒和连接内筒,连接外筒与风道管连接,多个连接内筒均连通有渐变筒,多个渐变筒分别连通首道管和多节风道管,连接内筒内设置有两个对角定位筒和两个对角定位杆,两个对角定位杆之间安装有调节组件,多节风道管内均通过半螺纹杠安装有清理组件,风管道安装有辅助组件和收集暂存组件。(The invention relates to the technical field of air conditioning ventilation pipelines, and provides an air conditioning ventilation pipeline convenient to mount and dismount, which has the advantages of large contact area of a joint, high connection reliability, labor-saving mounting operation, convenient and fast dismounting, capability of collecting dust in an air duct pipe and easy cleaning, and comprises a first pipeline and a plurality of sections of air duct pipes, wherein every two adjacent air duct pipes in the plurality of sections of air duct pipes and the first pipeline and the leftmost air duct pipe in the plurality of sections of air duct pipes are connected through a connecting component, a plurality of connecting components comprise a connecting outer cylinder and a connecting inner cylinder, the connecting outer cylinder is connected with the air duct pipe, a plurality of connecting inner cylinders are communicated with a gradual change cylinder, the gradual change cylinders are respectively communicated with the first pipeline and the plurality of sections of air duct pipes, two diagonal positioning cylinders and two diagonal positioning rods are arranged in the connecting inner cylinder, and an adjusting component is arranged between the two diagonal positioning rods, the multi-section air duct pipe is internally provided with a cleaning assembly through a half-thread lever, and the air duct is provided with an auxiliary assembly and a collection temporary storage assembly.)

1. An air conditioner ventilating duct convenient to mount and dismount comprises a plurality of air duct pipes (1) and is characterized by further comprising a first air duct pipe (2), every two adjacent air duct pipes (1) in the plurality of air duct pipes (1) and the first air duct pipe (2) and the leftmost air duct pipe (1) in the plurality of air duct pipes (1) are connected through a connecting assembly, the connecting assemblies comprise a connecting outer barrel (3) and a connecting inner barrel (4), the connecting outer barrel (3) is fixedly connected to the left end of the air duct pipes (1) respectively, an annular positioning inner groove is formed in the connecting outer barrel (3), the connecting inner barrel (4) is communicated with a gradual change barrel (5), the gradual change barrel (5) is communicated with the right end of the first air duct pipe (2) and the right end of the air duct pipes (1) respectively, annular mounting outer grooves are formed in the connecting inner barrels (4), the annular installation outer inslot is provided with two diagonal positioning section of thick bamboo (6) and two diagonal positioning poles (7), and two diagonal positioning section of thick bamboo (6) and two diagonal positioning poles (7) interval set up, and diagonal positioning section of thick bamboo (6) and adjacent diagonal positioning pole (7) sliding connection, install adjusting part between two diagonal positioning poles (7), all rotate through mounting bracket (8) in multisection tuber pipe (1) and be connected with half thread thick stick (9), and is a plurality of can dismantle the connection between every adjacent two half thread thick sticks (9) in half thread thick stick (9), all install the clearance subassembly on a plurality of half thread thick sticks (9), all seted up the sinker groove on the interior diapire of multisection tuber pipe, sinker inslot install with clearance subassembly assorted auxiliary assembly, the bottom intercommunication of tuber pipe (1) has the collection subassembly of keeping in.

2. The air conditioner ventilation duct convenient to install and dismantle according to claim 1, characterized in that, a plurality of adjusting part all includes double-end reverse threaded rod (10), and is a plurality of double-end reverse threaded rod (10) rotates with first way pipe (2) and multisection air duct pipe (1) respectively and is connected, and threaded connection has two screw ring (11) on a plurality of double-end reverse threaded rod (10), two all fixedly connected with bridge plate (12) on screw ring (11), two the equal fixedly connected with catch bar (13) of the one end of keeping away from each other of bridge plate (12), two the one end that catch bar (13) kept away from each other all passes and connects inner tube (4) respectively with two diagonal positioning pole (7) fixed connection.

3. The air conditioner ventilation duct convenient to install and disassemble as claimed in claim 2, wherein the cleaning assembly comprises a rake plate (14), the rake plate (14) is slidably connected in the air duct pipe (1), a threaded hole and two bottom grooves are formed in the rake plate (14), the half-threaded bar (9) is in threaded connection in the threaded hole, auxiliary rotating round corners are formed in the bottom end of the rake plate (14) and the bottom ends of the two bottom grooves, a connecting plate (15) is rotatably connected in the two bottom grooves, and scraping plates (16) are fixedly connected to the bottom ends of the two connecting plates (15).

4. The air conditioner ventilation duct convenient to mount and dismount as claimed in claim 3, wherein the auxiliary assembly comprises a long rod (17), the long rod (17) is slidably connected in the sinker groove, a slope chamfer (18) and a bottom strip groove are respectively formed in the left end and the bottom end of the long rod (17), a plurality of flexible springs (19) are fixedly connected in the bottom strip groove, and the plurality of flexible springs (19) are all fixedly connected in the sinker groove.

5. The air conditioner ventilation pipe convenient to installation and dismantlement of claim 4, characterized in that, the collection subassembly of keeping in includes gradual change surge drum (20), gradual change surge drum (20) fixed connection be in the bottom of wind channel pipe (1), and gradual change surge drum (20) and wind channel pipe (1) intercommunication, the bottom intercommunication of gradual change surge drum (20) has installation pipe (21), sliding connection has picture peg (22) in installation pipe (21).

6. An air conditioner ventilation pipe convenient to install and dismantle according to claim 5, characterized in that, a plurality of connect the bottom end of the inner tube (4) of connecting of the rightmost one in inner tube (4) and install servo motor (23), servo motor (23) transmission is connected with auxiliary rod (24), auxiliary rod (24) and a plurality of half screw thread thick stick (9) of the rightmost one can dismantle the connection.

7. The air conditioner ventilation duct convenient to mount and dismount as claimed in claim 6, characterized in that an auxiliary groove (25) is formed at the bottom end of the scraper (16), and a transition fillet is formed in the auxiliary groove (25).

8. The air conditioner ventilation duct convenient to install and dismantle according to claim 7, characterized in that both ends of the double-end reverse threaded rod (10) are fixedly connected with outer hexagonal driving blocks (26), and inner hexagonal grooves are formed in the outer hexagonal driving blocks (26).

9. An air conditioner ventilation duct convenient to install and detach according to claim 8 is characterized in that a gradual-change notch (27) matched with the gradual-change barrel (5) is formed in the left end of the connecting outer barrel (3).

10. An air conditioning ventilation duct facilitating the installation and removal according to claim 9, characterized in that a pulling ring (28) is fixedly connected to the front end of the pulling-inserting plate (22).

Technical Field

The invention relates to the technical field of air-conditioning ventilation ducts, in particular to an air-conditioning ventilation duct convenient to mount and dismount.

Background

As is known, with the rapid development of human architecture, large and complex buildings such as bamboo shoots in spring after rain are presented in succession, in order to make the living and use environment of the building more comfortable, a central air conditioner is usually installed, and ventilation ducts are usually needed for guiding the wind of the central air conditioner to different areas of the building.

The existing air conditioner ventilation pipeline comprises a plurality of sections of air duct pipes, wherein two ends of each section of air duct pipe are fixedly connected with a head angle iron frame and a tail angle iron frame respectively, a plurality of through holes are formed in the head angle iron frame and the tail angle iron frame respectively, when the air conditioner ventilation pipeline is used, through holes in the head angle iron frame and through holes in the tail angle iron frame which are adjacent to each other in each section of air duct pipe are aligned, then bolts penetrate through two through holes which are aligned in each group, elastic pads and nuts are installed on the bolts, the relative positions of the head angle iron frame and the tail angle iron frame on the adjacent two sections of air duct pipes are fixed by adjusting the relative positions of the nuts on the bolts, and therefore mutual communication between the adjacent two sections of air duct pipes is achieved.

Foretell current air duct pipe need accomplish the installation through the cooperation of a plurality of bolts and nut in the installation, and the installation operation is comparatively hard, and the point area of action that compresses tightly of junction is less, need pull down a plurality of bolts and nut in proper order when having air duct pipe to change in the use, and it is comparatively loaded down with trivial details to dismantle to the intraductal dust collection of air duct when using for a long time, the clearance is comparatively difficult.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the air-conditioning ventilation pipeline which is convenient to install and disassemble, the contact area of the joint is larger, the connection reliability is higher, the installation operation is more labor-saving, the disassembly is more convenient, the dust in the air pipeline can be collected, and the cleaning is easier.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an air-conditioning ventilating duct convenient to mount and dismount comprises a plurality of sections of air duct pipes and a head pipe, wherein every two adjacent air duct pipes in the plurality of sections of air duct pipes and the head pipe and the leftmost air duct pipe in the plurality of sections of air duct pipes are connected through a connecting assembly, the connecting assemblies respectively comprise a connecting outer barrel and a connecting inner barrel, the connecting outer barrels are respectively and fixedly connected with the left ends of the plurality of sections of air duct pipes, annular positioning inner grooves are formed in the connecting outer barrel, the connecting inner barrels are respectively communicated with a gradual change barrel, the gradual change barrels are respectively communicated with the right ends of the head pipe and the right ends of the plurality of sections of air duct pipes, annular mounting outer grooves are respectively formed in the connecting inner barrels, two diagonal positioning barrels and two diagonal positioning rods are arranged in the annular mounting outer grooves at intervals, and the diagonal positioning barrels are connected with the adjacent diagonal positioning rods in a sliding manner, install the adjusting part between two diagonal positioning poles, the intraductal half thread thick stick that all is connected with through the mounting bracket rotation of multisection wind channel is a plurality of can dismantle the connection between every adjacent two half thread thick sticks in the half thread thick stick, all install the clearance subassembly on a plurality of half thread thick sticks, all seted up the sinker groove on the interior diapire of multisection tuber pipe, the sinker inslot install with clearance subassembly assorted auxiliary assembly, the bottom intercommunication of wind channel pipe has the collection subassembly of keeping in.

Preferably, it is a plurality of the adjusting part all includes double-end reverse threaded rod, and is a plurality of double-end reverse threaded rod rotates with first pipe and multisection wind channel pipe respectively to be connected, and threaded connection has two screw rings, two on the reverse threaded rod of a plurality of double-ends equal fixedly connected with bridge plate, two on the screw ring the equal fixedly connected with catch bar of one end of keeping away from each other of bridge plate, two the one end that the catch bar was kept away from each other all passes and is connected the inner tube respectively with two diagonal positioning pole fixed connection.

Further, the clearance subassembly includes the harrow board, harrow board sliding connection be in the wind channel is intraductal, set up threaded hole and two kerfs on the harrow board, half screw thread thick stick threaded connection in the threaded hole, the bottom of harrow board and the bottom of two kerfs all seted up the supplementary fillet of rotation, all rotate in two kerfs and be connected with the connecting plate, two the bottom fixedly connected with scraper blade of connecting plate.

Still further, the auxiliary assembly comprises a long rod, the long rod is slidably connected in the sinker groove, a slope chamfer and a bottom groove are respectively formed in the left end and the bottom end of the long rod, a plurality of flexible springs are fixedly connected in the bottom groove, and the plurality of flexible springs are fixedly connected in the sinker groove.

Further, the collection temporary storage assembly comprises a gradual change collecting barrel, the gradual change collecting barrel is fixedly connected to the bottom end of the air duct pipe, the gradual change collecting barrel is communicated with the air duct pipe, the bottom end of the gradual change collecting barrel is communicated with an installation pipe, and a drawing board is connected to the installation pipe in a sliding mode.

On the basis of the scheme, a plurality of the bottom end of connecting the inner tube of the rightmost side in connecting the inner tube is installed servo motor, the servo motor transmission is connected with the auxiliary rod, the auxiliary rod can be dismantled with a half screw thick stick of rightmost side in a plurality of half screw thick sticks and be connected.

On the basis of the scheme, the bottom end of the scraper is preferably provided with an auxiliary groove, and a transition fillet is arranged in the auxiliary groove.

Further on the basis of the scheme, the two ends of the double-head reverse threaded rod are fixedly connected with outer hexagonal driving blocks, and inner hexagonal grooves are formed in the outer hexagonal driving blocks.

On the basis of the scheme, the left end of the connecting outer cylinder is provided with a gradual change notch matched with the gradual change cylinder.

On the basis of the scheme, the front end of the pulling and inserting plate is fixedly connected with a pulling ring.

(III) advantageous effects

Compared with the prior art, the invention provides an air-conditioning ventilation pipeline convenient to mount and dismount, which has the following beneficial effects:

1. in the invention, the diagonal positioning tube and the diagonal positioning rod are matched and the annular positioning inner groove is formed, so that the diagonal positioning tube and the diagonal positioning rod are embedded into the annular positioning inner groove to realize the fixed connection between the connecting outer cylinder and the connecting inner cylinder, the contact area of the connecting part between the connecting outer cylinder and the connecting inner cylinder is larger, and the connection reliability is higher.

2. According to the invention, through the design of the adjusting assembly, the diagonal positioning barrel and the diagonal positioning rod are expanded to be embedded into the annular positioning inner groove and withdrawn from the annular positioning inner groove, so that the adjustment is easy, the installation and operation are labor-saving, and the disassembly is convenient.

3. According to the dust collection device, the dust in the air duct pipe can be conveniently collected through the design of the cleaning assembly, the cleaning assembly can be controlled to avoid the control assembly from reversely pushing the dust through the design of the auxiliary assembly, and the dust collected by the cleaning assembly can be temporarily stored and discharged through the design of the temporary storage assembly, so that the dust collection device is practical.

Drawings

FIG. 1 is an exploded perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is an enlarged partial view of FIG. 1 at C;

FIG. 5 is a schematic perspective view of the present invention as a whole;

FIG. 6 is an enlarged partial schematic view of FIG. 5 at D in accordance with the present invention;

FIG. 7 is a schematic view of the internal three-dimensional structure of the connecting outer cylinder of the present invention.

In the figure: 1. an air duct pipe; 2. a first pipe; 3. connecting the outer cylinder; 4. connecting the inner cylinder; 5. a gradual change cylinder; 6. a diagonal positioning cylinder; 7. a diagonal positioning rod; 8. a mounting frame; 9. a half-threaded bar; 10. a double-ended reverse threaded rod; 11. a threaded ring; 12. a bridge plate; 13. a push rod; 14. raking a plate; 15. a connecting plate; 16. a squeegee; 17. a long bar; 18. slope chamfering; 19. a flexible spring; 20. a gradual change collection cylinder; 21. installing a pipe; 22. drawing the plugboard; 23. a servo motor; 24. an auxiliary lever; 25. an auxiliary groove; 26. an outer hexagonal driving block; 27. a gradual gap; 28. pulling the pull ring; 29. a triangular sealing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-7, an air-conditioning ventilation duct convenient to mount and dismount comprises a plurality of sections of air duct pipes 1 and further comprises a first duct pipe 2, every two adjacent air duct pipes 1 in the plurality of sections of air duct pipes 1 and the first duct pipe 2 are connected with the leftmost air duct pipe 1 in the plurality of sections of air duct pipes 1 through connecting components, the plurality of connecting components comprise a connecting outer cylinder 3 and a connecting inner cylinder 4, the plurality of connecting outer cylinders 3 are respectively and fixedly connected with the left end of the plurality of sections of air duct pipes 1, annular positioning inner grooves are formed in the connecting outer cylinder 3, the plurality of connecting inner cylinders 4 are respectively communicated with a transition cylinder 5, a transition gap 27 matched with the transition cylinder 5 is formed in the left end of the connecting outer cylinder 3, so that the connection between the connecting outer cylinder 3 and the transition cylinder 5 is better sealed, the plurality of transition cylinders 5 are respectively communicated with the right end of the first duct pipe 2 and the right end of the plurality of air duct pipes 1, annular mounting outer grooves are formed in the plurality of connecting inner cylinders 4, two diagonal positioning barrels 6 and two diagonal positioning rods 7 are arranged in the annular installation outer groove, the two diagonal positioning barrels 6 and the two diagonal positioning rods 7 are arranged at intervals, the diagonal positioning barrels 6 are in sliding connection with the adjacent diagonal positioning rods 7, the diagonal positioning barrels 6 and the diagonal positioning rods 7 are embedded into the annular positioning inner groove through the matching of the diagonal positioning barrels 6 and the diagonal positioning rods 7 and the arrangement of the annular positioning inner groove, so that the fixed connection between the connection outer barrel 3 and the connection inner barrel 4 can be realized, the contact area of the connection part between the connection outer barrel 3 and the connection inner barrel 4 is large, the connection reliability is high, an adjusting assembly is arranged between the two diagonal positioning rods 7, the adjusting assemblies respectively comprise a double-head reverse threaded rod 10, outer hexagonal driving blocks 26 are fixedly connected to the two ends of the double-head reverse threaded rod 10, inner hexagonal grooves are formed in the outer hexagonal driving blocks 26, and the rotation of the double-head reverse threaded rod 10 is facilitated, a plurality of double-end reverse threaded rods 10 rotate with first pipeline 2 and multisection wind channel pipe 1 respectively and are connected, threaded connection has two screw ring 11 on a plurality of double-end reverse threaded rods 10, equal fixedly connected with bridge plate 12 on two screw ring 11, the equal fixedly connected with catch bar 13 of the one end of keeping away from each other of two bridge plate 12, the one end that two catch bar 13 kept away from each other all passes and connects inner tube 4 respectively with two diagonal positioning rod 7 fixed connection, it is comparatively easy to make to prop big embedding annular location inside groove and withdraw from the regulation of annular location inside groove between diagonal positioning tube 6 and the diagonal positioning rod 7, the installation operation is comparatively laborsaving, it is comparatively convenient to dismantle.

It should be further noted that the multi-section air duct pipe 1 is rotatably connected with a half-thread bar 9 through a mounting frame 8, every two adjacent half-thread bars 9 in the plurality of half-thread bars 9 are detachably connected, each cleaning assembly is installed on each half-thread bar 9 and comprises a rake plate 14, each rake plate 14 is slidably connected in the air duct pipe 1, each rake plate 14 is provided with a threaded hole and two bottom grooves, the half-thread bars 9 are in threaded connection with the threaded holes, the bottom ends of the rake plates 14 and the bottom ends of the two bottom grooves are respectively provided with a rotation auxiliary fillet, each two bottom grooves are respectively and rotatably connected with a connecting plate 15, the bottom ends of the two connecting plates 15 are fixedly connected with a scraper 16 so as to conveniently collect dust in the air duct pipe 1, the bottom end of each scraper 16 is provided with an auxiliary groove 25, the auxiliary groove 25 is internally provided with a transition fillet so that the long rod 17 can pass through, the bottom end of the rightmost one of the plurality of the connecting inner cylinders 4 is provided with a servo motor 23, the servo motor 23 is connected with an auxiliary rod 24 in a transmission way, the auxiliary rod 24 is detachably connected with the rightmost half-thread bar 9 in the plurality of half-thread bars 9 and can drive the half-thread bar 9 to rotate, so that the scraper 16 can be conveniently pushed to collect dust in the air duct pipe 1, the inner bottom walls of the multi-section air ducts are respectively provided with a sinker groove, an auxiliary component matched with the cleaning component is arranged in the sinker groove, the auxiliary component comprises a long bar 17, the long bar 17 is connected in the sinker groove in a sliding way, the left end and the bottom end of the long bar 17 are respectively provided with a slope chamfer 18 and a bottom bar groove, the bottom bar groove is fixedly connected with a plurality of flexible springs 19, the plurality of flexible springs 19 are all fixedly connected in the sinker groove and can control the cleaning component to avoid the control component from reversely pushing the dust, the bottom end of the air duct pipe 1 is communicated with a collection temporary storage component, the collection component comprises a gradual change collection cylinder 20, the gradual change collection cylinder 20 is fixedly connected with the bottom end of the air duct pipe 1, and gradual change collecting vessel 20 and wind channel pipe 1 intercommunication, the bottom intercommunication of gradual change collecting vessel 20 has installation pipe 21, and sliding connection has the picture peg 22 in installation pipe 21, can keep in the dust that the clearance subassembly was collected and discharge, and is comparatively practical, and the front end fixedly connected with who takes out picture peg 22 takes out pull ring 28, and it is comparatively convenient to make the inserting and pulling out of taking out picture peg 22.

The servo motor 23 in this embodiment is conventional equipment on the market, the servo motor 23 can carry out the chooseing for use of its model or customize according to actual need, we only use it in this patent, its settlement mode, mounting means and electric connection mode, to technical personnel in the field, as long as carry out the debugging operation according to the requirement of its service instruction manual can, no longer describe it here, and servo motor 23 is provided with rather than supporting control switch, control switch's mounted position is selected according to the actual use demand, it can to be convenient for operating personnel to carry out operation control.

In summary, the working principle and working process of the air-conditioning ventilation duct convenient for installation and disassembly are that when the air-conditioning ventilation duct is installed, the multiple sections of air duct pipes 1 are communicated end to end, then the first duct pipe 2 is communicated with the leftmost air duct pipe 1 of the multiple sections of air duct pipes 1, the first duct pipe 2 is communicated with the central air conditioner, when two adjacent air duct pipes 1 in the multiple sections of air duct pipes 1 are communicated and the leftmost air duct pipe 1 in the multiple sections of air duct pipes 1 is communicated with the first duct pipe 2, the corresponding connecting inner cylinder 4 is inserted into the connecting outer cylinder 3, the gradual change gap 27 in the connecting inner cylinder 4 is contacted with the gradual change cylinder 5, then the double-head reverse threaded rod 10 is rotated to drive the two threaded rings 11 on the same double-head reverse threaded rod 10 to be away from each other, and the two pushing rods 13 are driven by the two bridge plates 12 to be away from each other in the process that the two threaded rings 11 are away from each other, two pushing rods 13 are far away from each other to push two diagonal positioning rods 7 at diagonal positions away from each other, the two diagonal positioning rods 7 are far away from each other to drive two diagonal positioning cylinders 6 matched with the diagonal positioning rods 7 to be far away from each other, the diagonal positioning rods 7 and the diagonal positioning cylinders 6 are embedded into annular positioning inner grooves, finally, a drawing-inserting plate 22 is drawn out, a plurality of half-thread bars 9 are connected by penetrating through the inner space of a gradual change collecting cylinder 20 and the inner space of a mounting pipe 21, finally, an auxiliary rod 24 is mounted on the rightmost half-thread bar 9 in the plurality of half-thread bars 9, a servo motor 23 is mounted on the rightmost one connecting inner cylinder 4 in the plurality of connecting inner cylinders 4, the servo motor 23 can drive the auxiliary rod 24 to rotate, when the air duct pipes 1 are mutually disassembled and when the left air duct pipe 1 and the first duct pipe 2 in the plurality of air duct pipes 1 are mutually disassembled, and reversely rotating the double-head reverse threaded rod 10 to ensure that the diagonal positioning rod 7 and the diagonal positioning barrel 6 both exit from the annular positioning inner groove.

Further, when the air-conditioning ventilation duct convenient to mount and dismount is used, the rotation of the half-thread bar 9 is realized by controlling the forward rotation and the reverse rotation of the servo motor 23, when the half-thread bar 9 rotates forwards, the scraper 16 is driven by the rake plate 14 to move rightwards, the scraping and collecting of dust in the air duct pipe 1 is realized, the half-thread bar 9 rotates backwards, the scraper 16 is reset, when the scraper 16 scrapes the dust rightwards and collects and moves, the long rod 17 is pressed into the long groove by overcoming the elastic force of the flexible spring 19 until the scraper 16 moves to the extreme position at the rightmost end, the scraper 16 is separated from the long rod 17, the long rod 17 is reset under the action of the flexible spring 19, when the scraper 16 moves leftwards and resets, the scraper 16 rotates relative to the rake plate 14 due to the action of the long rod 17, the bottom end of the scraper 16 rotates and lifts, the dust is prevented from being pushed backwards, the cleaning effect is not influenced, and the dust collected by the scraper 16 enters the mounting pipe 21 for temporary storage, when cleaning, the inserting and pulling plate 22 is pulled out from the installation pipe 21, and dust is dropped in the installation pipe 21.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.