Bent pipe for household dust collector

Abstract

The utility model relates to the field of dust collectors, and discloses a bending pipe for a household dust collector, the bending pipe comprises two dust collection guide pipes, a bending connecting pipe, an upper joint, a lower joint and two rotating heads, the bending connecting pipe is located between the two dust collection guide pipes, and the upper joint and the lower joint are detachably connected and fixed to the ends, away from each other, of the two dust collection guide pipes respectively. The bending pipe has the following advantages and effects that a stable and multi-angle bending and rotating flexible adjustment dust collection channel can be achieved, smooth transmission of dust collection airflow in the channel and good sealing performance can be guaranteed, and the whole bending pipe can assist a household dust collector in effectively completing dust collection cleaning work in different scenes; according to the bending pipe, the application range is enlarged, the practical performance is improved, assembly in the production and manufacturing process is facilitated, if a certain part is damaged, the part can be independently replaced, the maintenance cost and the maintenance difficulty are reduced, and the maintainability of the whole bending pipe is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of dust collectors, in particular to a bending pipe for a household dust collector. BACKGROUND

[0002] A household dust collector is a small electric tool for cleaning a household environment, and its working principle is that a motor drives a blade to rotate at a high speed to generate air negative pressure in a sealed shell, thereby generating strong suction at the suction port of the dust collector to suck dust.

[0003] In the related art, a household dust collector is usually composed of a dust collector main machine, a dust collection guide pipe and a dust collection brush head, and the dust collection guide pipe is composed of a straight pipe or is composed of a combination of a corrugated flexible pipe at an upper end and a hard straight pipe at a lower end. When a handheld dust collection guide pipe is used for dust collection and cleaning work, the existing dust collection guide pipe is difficult to be flexibly adjusted to various complex angles to adapt to different cleaning scenes and corners, for example, when the ground at the bottom of furniture such as a bed, a table and a workbench or some narrow spaces needs to be cleaned, the user needs to bend down or squat to perform the dust collection work, which is extremely easy to cause fatigue and is not convenient to operate.

[0004] Therefore, the application provides a bending pipe for a household dust collector to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The application aims to provide a bending pipe for a household dust collector, which has a dust collection channel capable of being stably and multi-angle bent and flexibly adjusted, can ensure smooth transmission of dust collection airflow in the channel and good sealing performance, can assist the household dust collector to effectively complete dust collection and cleaning work in different scenes, increases the application range, improves the practical performance, facilitates assembly in the production and manufacturing process, can replace a damaged part alone, reduces the maintenance cost and difficulty, and improves the maintainability of the whole bending pipe.

[0006] The above technical purpose of the application is achieved by the following technical scheme: a bending pipe for a household dust collector, comprising two dust collection guide pipes, a bending connecting pipe, an upper joint, a lower joint and two rotating heads, the bending connecting pipe is located between the two dust collection guide pipes, the upper joint and the lower joint are respectively detachably connected and fixed at one end of the two dust collection guide pipes away from each other, the two rotating heads are respectively rotatably sleeved at one end of the two dust collection guide pipes close to each other, and the two rotating heads are respectively detachably fixedly connected with two ends of the bending connecting pipe.

[0007] The application is further provided as follows: the dust collection guide pipe comprises an outer pipe and an inner pipe, the inner pipe is fixedly installed in the outer pipe, the upper joint and the lower joint are respectively threadedly sleeved at one end of the corresponding outer pipe, and the two rotating heads are respectively rotatably sleeved at the other end of the corresponding outer pipe.

[0008] Further, the outer tube is made of aluminum alloy material, and the inner tube is made of plastic material.

[0009] Further, the bending connecting tube comprises an outer tube sleeve one, an outer tube sleeve two, an outer corrugated tube, two connecting seats, two shaft sleeves, a pin shaft and two outer thread sleeves, two ends of the outer corrugated tube are fixedly connected with one end of the outer tube sleeve one and the outer tube sleeve two which are close to each other, the two connecting seats are fixedly installed on the outer wall of the outer tube sleeve one and the outer wall of the outer tube sleeve two respectively, the two shaft sleeves are fixedly installed on the corresponding connecting seats respectively, the two shaft sleeves are rotatably sleeved on the pin shaft, and the two outer thread sleeves are fixedly installed on the ends of the outer tube sleeve one and the outer tube sleeve two which are away from each other.

[0010] Further, an inner thread is formed in the inner wall of the rotating head, and an outer thread is formed in the outer wall of the outer thread sleeve, and the inner thread is matched with the outer thread.

[0011] Further, the bending connecting tube further comprises an inner corrugated tube and two extension tubes, the inner corrugated tube is located in the outer corrugated tube, the two extension tubes are fixedly installed at the ends of the two outer thread sleeves which are away from each other, two ends of the inner corrugated tube penetrate through the corresponding outer thread sleeves and are fixedly connected with the corresponding extension tubes, and the two extension tubes extend into the corresponding inner tubes at the ends which are away from each other.

[0012] Further, a sealing ring is fixedly sleeved on the outer wall of the extension tube, and the outer ring of the sealing ring is in sliding sealing contact with the inner wall of the inner tube.

[0013] Further, the same release button is fixedly connected to the outer tube wall of the outer tube sleeve one and the outer tube wall of the outer tube sleeve two.

[0014] Further, the two ends of the pin shaft are fixedly connected with the decorative covers.

[0015] Further, the ends of the two rotating heads which are close to each other abut against the ends of the outer tube sleeve one and the outer tube sleeve two which are away from each other.

[0016] The present application has at least one of the following beneficial technical effects:

[0017] 1、The present application adopts a detachable connection mode between the two dust suction pipes, the bending connecting tube, the upper connector, the lower connector and the two rotating heads, which not only facilitates the assembly in the production and manufacturing process, but also enables individual replacement of damaged parts during use, thereby reducing maintenance cost and difficulty and improving the maintainability of the entire bending pipe.

[0018] 2、The outer tube made of aluminum alloy has the characteristics of light weight and high strength, which can ensure the structural stability of the dust collection guide pipe during use, reduce the weight of the entire dust collector, facilitate the user's operation, reduce the fatigue feeling during long-term use, and effectively prevent the corrosion of dust and the like to the inner tube, and is not easy to be damaged due to collision or the like when connected or installed with other components, and can also reduce the generation of noise to a certain extent.

[0019] 3、The bending connecting pipe composed of the outer sleeve one, the outer sleeve two, the outer bellows, the two connecting seats, the two shaft sleeves, the pin shaft, the two outer threaded sleeves, the inner bellows and the two extension pipes, and the design of rotating the two rotating heads respectively and sleeving them on the corresponding one end of the dust collection guide pipe, can realize stable and multi-angle bending and flexible rotation adjustment of the dust collection channel, and can ensure smooth transmission of the dust collection airflow in the channel and good sealing performance, so that the bending pipe as a whole can assist the household dust collector to effectively complete the dust cleaning work in different scenes, increase the application range, and improve the practical performance.

[0020] 4、The sealing ring can effectively prevent the leakage of the dust collection airflow at the connection between the extension pipe and the inner tube during the bending of the bending pipe and the dust collection process, ensure the sealing performance of the dust collection airflow, ensure that the dust collection efficiency is not affected, and the dust can be smoothly sucked into the dust collector host under the action of suction force, realizing the cleaning function.

[0021] 5、The release button is used to close and lock when not needed for bending, so as to fix the connection between the outer sleeve two and the outer wall, so that the outer sleeve two and the outer wall cannot be bent, and when needed for bending, the release button is unlocked and opened, so as to contact the connection between the outer sleeve two and the outer wall, so that the outer sleeve two and the outer wall can be bent around the pin shaft, thereby providing convenient dust collection operation for the user and improving the convenience and flexibility of use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic view of the front structure of the embodiment.

[0023] Figure 2 is a schematic view of the front structure of the embodiment.

[0024] Figure 3 is Figure 2 is a schematic view of the enlarged structure of part A in the embodiment.

[0025] In the figure, 1, dust suction conduit; 101, outer pipe; 102, inner pipe; 2, bend connecting pipe; 3, upper connector; 4, lower connector; 5, rotating head; 201, outer pipe sleeve one; 202, outer pipe sleeve two; 203, outer bellows; 204, connecting seat; 205, shaft sleeve; 206, pin shaft; 207, outer threaded sleeve; 208, inner bellows; 209, extension pipe; 2091, sealing ring; 210, release button; 211, decorative cover. DETAILED DESCRIPTION

[0026] The technical solutions of the present application will be described clearly and completely below in combination with specific embodiments. Obviously, the described embodiments are only some 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 protection of the present application.

[0027] Reference is made to Figure 1 , Figure 2 and Figure 3 , the present application provides a bend pipe for household dust suction, comprising two dust suction conduits 1, a bend connecting pipe 2, an upper connector 3, a lower connector 4 and two rotating heads 5, the bend connecting pipe 2 is located between the two dust suction conduits 1, the upper connector 3 and the lower connector 4 are respectively detachably connected and fixed at the ends of the two dust suction conduits 1 away from each other, the two rotating heads 5 are respectively rotatably sleeved at the ends of the two dust suction conduits 1 close to each other, and the two rotating heads 5 are respectively detachably fixedly connected with the two ends of the bend connecting pipe 2, the upper connector 3 is used for being assembled and connected with the suction port of the dust suction main machine, and the lower connector 4 is used for being assembled and connected with the dust suction brush head, the connection mode between the two dust suction conduits 1, the bend connecting pipe 2, the upper connector 3, the lower connector 4 and the two rotating heads 5 is detachable, which not only facilitates the assembly in the production and manufacturing process, but also enables individual replacement of a damaged part during use, reduces the maintenance cost and difficulty, improves the maintainability of the entire bend pipe, and through the design that the two rotating heads 5 are respectively rotatably sleeved at the ends of the two dust suction conduits 1 close to each other and detachably fixedly connected with the two ends of the bend connecting pipe 2, the design enables flexible adjustment of the angle of the entire bend pipe during use, facilitates the user to operate the dust suction machine for dust suction work in different cleaning scenes, adapts to various complex cleaning environments such as furniture and corners, and improves the convenience and comprehensiveness of cleaning, for example, when cleaning the bottom of a sofa or a corner, the bend pipe can be easily rotated to make the dust suction port better fit the cleaning surface.

[0028] In the embodiment, the dust suction conduit 1 comprises an outer tube 101 and an inner tube 102, the inner tube 102 is fixedly installed in the outer tube 101, the upper joint 3 and the lower joint 4 are respectively threadedly sleeved on one end of the corresponding outer tube 101, and the two rotating heads 5 are respectively rotatably sleeved on the other end of the corresponding outer tube 101, the outer tube 101 is made of aluminum alloy material, the inner tube 102 is made of plastic material, the outer tube 101 made of aluminum alloy material has the characteristics of lighter quality and higher strength, can ensure the structural stability of the dust suction conduit 1 in the use process, at the same time, reduces the weight of the whole dust collector, is convenient for the user to operate, reduces the fatigue feeling in the long time use, the inner tube 102 made of plastic material has good chemical stability and certain flexibility, can effectively prevent the corrosion of dust and the like to the tube, is not easy to be damaged due to collision and the like when being connected or installed with other components, and can also reduce the generation of noise to a certain extent.

[0029] In the embodiment, the bending connection pipe 2 comprises an outer sleeve 201, an outer sleeve 202, an outer corrugated pipe 203, two connecting seats 204, two shaft sleeves 205, a pin shaft 206, two outer threaded sleeves 207, an inner corrugated pipe 208 and two extension pipes 209. The two ends of the outer corrugated pipe 203 are fixedly connected to the ends of the outer sleeve 201 and the outer sleeve 202 close to each other. The two connecting seats 204 are fixedly installed on the outer walls of the outer sleeve 201 and the outer sleeve 202 respectively. The two shaft sleeves 205 are fixedly installed on the corresponding connecting seats 204 respectively. The two shaft sleeves 205 are rotatably sleeved on the pin shaft 206. The two outer threaded sleeves 207 are fixedly installed on the ends of the outer sleeve 201 and the outer sleeve 202 away from each other. The two rotating heads 5 are threadedly sleeved on the corresponding outer threaded sleeves 207. The shaft sleeves 205 on the two connecting seats 204 realize stable rotary connection through the pin shaft 206, so that the outer sleeve 201 and the outer sleeve 202 can rotate relative to each other. The structure design ensures the stability and reliability of the bending connection pipe 2 when bending and adjusting the angle, so that the smooth operation of the dust collector during the dust collection process is ensured. The outer corrugated pipe 203 is used for connecting the outer sleeve 201 and the outer sleeve 202, can withstand external bending, extrusion and other forces, protects the inner corrugated pipe 208 and other structural components inside, and at the same time, the bendability of the outer corrugated pipe 203 enables the whole bending connection pipe 2 to realize flexible bending operation and adapt to different dust collection path requirements. The inner corrugated pipe 208 is located in the outer corrugated pipe 203. The two extension pipes 209 are fixedly installed on the ends of the two outer threaded sleeves 207 away from each other. The two ends of the inner corrugated pipe 208 penetrate through the corresponding outer threaded sleeves 207 and are fixedly connected with the corresponding extension pipes 209. The ends of the two extension pipes 209 away from each other extend into the corresponding inner pipes 102. The inner corrugated pipe 208 ensures the continuity and sealing of the dust collection channel, so that the dust can smoothly pass through without leakage even when the bending connection pipe 2 is bent. The design of the extension pipe 209 enables the inner corrugated pipe 208 to better communicate with the inner pipe 102 of the dust collection duct 1, ensuring smooth transition of the dust collection airflow.

[0030] In the embodiment, the inner wall of the rotating head 5 is provided with an inner thread, and the outer wall of the outer threaded sleeve 207 is provided with an outer thread. The inner thread and the outer thread are matched, which facilitates the assembly of the two dust collection ducts 1 and the bending connection pipe 2.

[0031] In the embodiment, the outer wall of the extension pipe 209 is fixedly sleeved with a sealing ring 2091. The outer ring of the sealing ring 2091 is in sliding sealing contact with the inner wall of the inner pipe 102, which further enhances the sealing performance between the extension pipe 209 and the inner pipe 102, prevents dust leakage at the connection, improves the dust collection efficiency of the whole dust collection system, and ensures the cleaning effect.

[0032] In the embodiment, the outer tube wall of the outer tube sleeve one 201 and the outer tube wall of the outer tube sleeve two 202 are fixedly connected with the same release button 210. The release button 210 can be used in some specific dust collection operation scenarios. When the bending is not needed, the release button 210 is closed and locked, so that the outer tube wall and the outer tube sleeve two 202 are fixedly connected, and the outer tube wall and the outer tube sleeve two 202 cannot be bent. When the bending is needed, the release button 210 is unlocked and opened, so that the outer tube wall and the outer tube sleeve two 202 are fixedly connected, and the outer tube wall and the outer tube sleeve two 202 can be bent around the pin shaft 206, thereby providing convenient dust collection operation for the user and improving the convenience and flexibility of use.

[0033] In the embodiment, the two ends of the pin shaft 206 are fixedly connected with the decorative cover 211. The decorative cover 211 not only plays an aesthetic role, but also prevents the pin shaft 206 from scratching other components or the user, thereby improving the safety and aesthetics of the product.

[0034] In the embodiment, the two ends of the pin shaft 206 are fixedly connected with the decorative cover 211. The decorative cover 211 not only plays an aesthetic role, but also prevents the pin shaft 206 from scratching other components or the user, thereby improving the safety and aesthetics of the product.

[0035] Through the above structure, the use principle of the bending pipe for the household dust collector is as follows:

[0036] The two dust collection guide pipes 1, the bending connection pipe 2, the upper joint 3, the lower joint 4 and the two rotating heads 5 are assembled to form a dust collection channel of the dust collector. The upper joint 3 is assembled with the suction port of the dust collector host, the lower joint 4 is assembled with the dust brush head, the dust collector host is started, the suction force generated by the dust collector host is transmitted to the area to be cleaned through the dust collection channel, and the dust collection operation is realized.

[0037] The bending connecting pipe 2 is located between the two dust collection conduits 1 and plays a key role in connection and bending function, the two ends of the outer bellows pipe 203 are fixedly connected with the ends of the outer sleeve one 201 and the outer sleeve two 202 close to each other, the outer bellows pipe 203 can be bent and deformed, so that the whole bending pipe can change shape according to the actual cleaning needs, realize bending of different angles, the two connecting seats 204 are fixedly installed on the outer walls of the outer sleeve one 201 and the outer sleeve two 202 respectively, the two shaft sleeves 205 are fixedly installed on the corresponding connecting seats 204 respectively, and the two shaft sleeves 205 are rotatably sleeved on the pin shaft 206, this structure design makes the outer sleeve one 201 and the outer sleeve two 202 be able to rotate relatively, and then drive the two dust collection conduits 1 connected thereto to adjust the angle, the two rotating heads 5 are rotatably sleeved on the ends of the two dust collection conduits 1 close to each other respectively, and the two rotating heads 5 are threadedly sleeved on the outer thread sleeves 207 at the two ends of the bending connecting pipe 2 respectively, when the rotating head 5 rotates, it also assists to realize flexible rotation of the dust collection conduit 1 relative to the bending connecting pipe 2 under the cooperation of the outer thread sleeve 207, so as to realize multi-angle bending and rotary adjustment of the whole bending pipe, and facilitate alignment of the dust collection position in different cleaning scenes;

[0038] The bending connecting pipe 2 further comprises an inner bellows pipe 208 and two extension pipes 209, the inner bellows pipe 208 is located in the outer bellows pipe 203, the two extension pipes 209 are fixedly installed at the ends of the two outer thread sleeves 207 away from each other respectively, the two ends of the inner bellows pipe 208 penetrate through the corresponding outer thread sleeves 207 and are fixedly connected with the corresponding extension pipes 209, the ends of the two extension pipes 209 away from each other extend into the corresponding inner pipes 102 respectively, so that a complete and continuous dust collection airflow channel is constructed, so that the suction airflow generated by the dust collector host can be smoothly transmitted from the dust collection conduit 1 at one end to the dust collection conduit 1 at the other end through the bending connecting pipe 2, and then dust can be smoothly sucked into the dust collector host, realizing the dust collection and cleaning function;

[0039] The outer wall of the extension pipe 209 is fixedly sleeved with a sealing ring 2091, the outer circle of the sealing ring 2091 is in sliding sealing contact with the inner wall of the inner pipe 102, during the bending of the whole bending pipe and the dust collection process, the sealing ring 2091 can effectively prevent the leakage of the dust collection airflow at the connection between the extension pipe 209 and the inner pipe 102, ensuring the sealing of the dust collection airflow and ensuring that the dust collection efficiency is not affected, dust can be smoothly sucked into the dust collector host under the action of suction, realizing the dust collection and cleaning function;

[0040] Through the cooperation between the above-mentioned components, a stable and multi-angle bending and rotary flexible adjustment dust collection channel is constructed, and the smooth transmission and good sealing of the dust collection airflow in the channel are ensured, the whole bending pipe can assist the household dust collector to effectively complete the dust collection and cleaning work in different scenes.

Claims

1. A bendable tube for a domestic vacuum cleaner, characterised in that, The utility model provides a dust collection pipe, including two dust collection pipes (1), bend connecting pipe (2), upper joint (3), lower joint (4) and two rotary head (5), the bend connecting pipe (2) is located between two the dust collection pipe (1), upper joint (3) and lower joint (4) are detachable respectively connected fixed in two the dust collection pipe (1) far away from each other one end, two rotary head (5) are respectively rotated and are sleeved in two the dust collection pipe (1) close to each other one end, two rotary head (5) are detachable respectively fixed with the both ends of bend connecting pipe (2) connection.

2. The elbow for a household suction cleaner according to claim 1, characterized in that: The dust collection pipe (1) includes an outer tube (101) and an inner tube (102), the inner tube (102) is fixedly installed in the outer tube (101), the upper joint (3) and the lower joint (4) are respectively threaded and sleeved on one end of the corresponding outer tube (101), and the two rotary heads (5) are respectively rotated and sleeved on the other end of the corresponding outer tube (101).

3. The elbow for a household suction cleaner according to claim 2, characterized in that: The outer tube (101) is made of aluminum alloy material, and the inner tube (102) is made of plastic material.

4. The elbow for a household suction cleaner according to claim 2, wherein: The bend connecting pipe (2) includes an outer sleeve one (201), an outer sleeve two (202), an outer corrugated pipe (203), two connecting seats (204), two shaft sleeves (205), a pin shaft (206) and two outer threaded sleeves (207), the two ends of the outer corrugated pipe (203) are fixedly connected with the one ends of the outer sleeve one (201) and the outer sleeve two (202) close to each other, the two connecting seats (204) are fixedly installed on the outer walls of the outer sleeve one (201) and the outer sleeve two (202), the two shaft sleeves (205) are fixedly installed on the corresponding connecting seats (204), the two shaft sleeves (205) are rotatably sleeved on the pin shaft (206), and the two outer threaded sleeves (207) are fixedly installed on the ends of the outer sleeve one (201) and the outer sleeve two (202) far away from each other, and the two rotary heads (5) are respectively threaded and sleeved on the corresponding outer threaded sleeves (207).

5. The elbow for a household suction cleaner according to claim 4, characterized in that: The inner wall of the rotary head (5) is provided with internal threads, and the outer wall of the outer threaded sleeve (207) is provided with external threads, and the internal threads are matched with the external threads.

6. The elbow for a household suction cleaner according to claim 4, wherein: The bend connecting pipe (2) further includes an inner corrugated pipe (208) and two extension pipes (209), the inner corrugated pipe (208) is located in the outer corrugated pipe (203), the two extension pipes (209) are fixedly installed on the ends of the two outer threaded sleeves (207) far away from each other, the two ends of the inner corrugated pipe (208) penetrate through the corresponding outer threaded sleeves (207) and are fixedly connected with the corresponding extension pipes (209), and the ends of the two extension pipes (209) far away from each other extend into the corresponding inner tubes (102).

7. The elbow for a household cleaning appliance according to claim 6, characterized in that: The outer wall of the extension pipe (209) is fixedly sleeved with a sealing ring (2091), and the outer ring of the sealing ring (2091) is in sliding sealing contact with the inner wall of the inner tube (102).

8. The elbow for a household suction cleaner according to claim 4, wherein: The outer tube wall of the outer tube sleeve one (201) and the outer tube wall of the outer tube sleeve two (202) are fixedly connected with the same release button (210).

9. The elbow for a household suction cleaner according to claim 4, wherein: The two ends of the pin shaft (206) are fixedly connected with decorative covers (211).

10. The elbow for a household suction cleaner according to claim 5, wherein: Two ends of the two rotating heads (5) are respectively in abutment with the outer tube sleeve one (201) and the outer tube sleeve two (202).

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