Anti-blocking handheld dust collector

Abstract

The utility model relates to an anti-blocking handheld dust collector which comprises a handheld part, a working part located on the front side of the handheld part, a motor and a fan, the motor and the fan are located between the handheld part and the working part, the fan is fixedly connected with the motor, a suction section is arranged on the working part and located on the front side of the fan, and a suction inlet is formed in the suction section in a penetrating mode. The filter screen is located between the suction inlet and the fan, the filter screen is detachably connected with the working part, and the working part is detachably connected with the handheld part. By the adoption of the scheme, the anti-blocking handheld dust collector has the advantages that the filter screen can be detached from the working part by detaching the working part and the handheld part, and then the filter holes can be cleaned.

Description

Technical Field

[0001] The utility model relates to a handheld vacuum cleaner, in particular to a clog - proof handheld vacuum cleaner. Background Art

[0002] A vacuum cleaner drives a fan (usually a specially designed centrifugal fan) through an electric motor, thereby generating a strong air flow. This process creates a local low - pressure area, causing the external air with higher pressure (along with the dust and small particles in it) to be sucked into the device. When the air passes through the filter screen or dust collection bag, the dust and impurities will be captured, and the relatively clean air will be discharged.

[0003] Traditional vacuum cleaner designs usually rely on an efficient filtration system and strong suction to remove dust and debris. However, when the suction inlet directly contacts large pieces of garbage or excessive hair and fibers, these substances are easily wound around the brush head or enter the interior of the pipeline, causing local or even entire system blockages. Once a blockage occurs, it is often difficult for users to directly access the interior of the brush head for cleaning, which is a cumbersome and time - consuming process, and sometimes even requires professional maintenance.

[0004] Therefore, how to make the brush head part easy to disassemble to facilitate cleaning and prevent the vacuum cleaner from being unable to work properly due to blockage has become an urgent problem for those skilled in the art to solve. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a clog - proof handheld vacuum cleaner that can disassemble the working part and the handheld part, and then remove the filter screen from the working part to clean each filter hole.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: It includes a handheld part, a working part located in front of the handheld part, a motor and a fan located between the handheld part and the working part. The fan is fixedly connected to the motor. The working part is provided with an inhalation section in front of the fan. The inhalation section is provided with a suction inlet penetrating through it. It also includes a filter screen located between the suction inlet and the fan. The filter screen is detachably connected to the working part, and the working part is detachably connected to the handheld part.

[0007] The utility model is further provided as: The inhalation section is in a shape of a necking from back to front.

[0008] The utility model is further provided as: A number of filter holes are circumferentially penetrated through the filter screen, and each filter hole is in a necking shape from front to back.

[0009] The present utility model is further configured as follows: A retaining ring is provided at the rear side of the working part in the suction section. The filter screen is located at the rear side of the retaining ring and abuts against the retaining ring. A plurality of connecting pieces made of a material prone to deformation are circumferentially protruded on the retaining ring. Each connecting piece includes a fixed section and limiting insertion blocks located on the left and right sides of the fixed section. Each fixed section is inserted into the filter screen, and the front end face of each limiting insertion block abuts against the rear side of the filter screen. A matching groove is penetrated through the middle of the fixed section, and the filter screen is provided with fixed insertion slots corresponding to each fixed section.

[0010] The present utility model is further configured as follows: A positioning plate is rotatably installed on the handheld part. A placing groove is provided on the working part along the rotation trajectory of the positioning plate. The positioning plate protrudes downward with a fixed insertion block, and the fixed insertion block is detachably connected to the working part.

[0011] The present utility model is further configured as follows: The fixed insertion block is made of a material prone to deformation and is recessed inward with a limiting insertion slot. The working part is provided with a fixed groove for the fixed insertion block to be inserted into and a limiting insertion block for cooperating with the limiting insertion slot in the placing groove.

[0012] The present utility model is further configured as follows: A rotating shaft is fixedly installed on the positioning plate. The handheld part includes a left connecting section for the left side of the rotating shaft to be inserted into and a right connecting section for the right side of the rotating shaft to be inserted into. The motor and the fan are both located between the left connecting section and the right connecting section. The left connecting section and the right connecting section are detachably connected, and the switch is located between the left connecting section and the right connecting section.

[0013] The present utility model is further configured as follows: A plurality of connecting seats are fixedly installed on the left connecting section. The right connecting section is provided with connecting grooves corresponding to each connecting seat. Each connecting seat is respectively connected to the corresponding connecting groove by bolts.

[0014] By adopting the above technical solutions, since the filter screen is located between the suction port of the working part and the fan, during the process of starting the motor to drive the fan to rotate, dust and small particles in the air entering the suction port from the outside can be intercepted by the filter screen and cannot continue to move backward. Also, because the working part and the handheld part are detachable and the filter screen and the working part are detachable, when the vacuum cleaner is blocked by large particles, since the large particles cannot pass through the filter screen and are located in front of the filter screen, at this time, after detaching the working part from the handheld part, the filter screen can be detached from the working part, and then the substances in the suction port in front of the filter screen of the working part can be cleaned and the large particle impurities attached to the filter screen can be cleaned. In summary, since the handheld part and the working part as well as the handheld part and the filter screen can be disassembled and assembled, if the vacuum cleaner is blocked during use, the working part can be quickly and efficiently detached, separating the working part from the filter screen, and then the filter screen and the working part can be cleaned without causing trouble for the continuous use of the vacuum cleaner. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 Is a perspective view of the specific embodiment of the present invention;

[0017] Figure 2 Is a perspective view of the positioning plate of the present invention after being turned upwards;

[0018] Figure 3 Is an exploded view of the present invention;

[0019] Figure 4 Is an exploded view of the present invention from the rear to the front angle;

[0020] Figure 5 Is a sectional view of the working section;

[0021] Figure 6 Is an exploded view of the working section;

[0022] Figure 7 Is Figure 2 An enlarged view of A in

[0023] Figure 8 Is Figure 4 An enlarged view of B in

[0024] Figure 9 Is Figure 6 An enlarged view of C in

[0025] Figure 10 Is Figure 6 An enlarged view of D in

[0026] In the figure: 1 - Handheld part, 11 - Positioning plate, 111 - Fixed insertion block, 1111 - Limit slot, 112 - Rotating shaft, 12 - Left connecting section, 121 - Connecting seat, 13 - Right connecting section, 131 - Connecting groove;

[0027] 2 - Working part, 21 - Suction section, 211 - Suction port, 22 - Retaining ring, 221 - Connecting piece, 2211 - Fixed section, 2212 - Limit insertion block, 2213 - Fitting groove, 23 - Placement groove, 24 - Fixed groove, 25 - Limit insertion block;

[0028] 3 - Motor;

[0029] 4 - Fan;

[0030] 5 - Filter screen, 51 - Filter holes, 52 - Fixed slots;

[0031] 6 - Switch;

[0032] 7 - Bolt. Detailed implementation

[0033] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0034] Such as Figures 1 - 10As shown, the utility model discloses a clog - proof handheld vacuum cleaner, which includes a handheld part 1, a working part 2 located on the front side of the handheld part 1, a motor 3, a fan 4 located between the handheld part 1 and the working part 2, and a switch 6 located on the handheld part 1. The switch 6 is linked with the motor 3 (the working principle and wiring method are prior arts, not elaborated specifically here and not shown in the figure). The fan 4 is fixedly connected to the motor 3. By starting the switch 6, the motor 3 is driven to work. With the operation of the motor 3, the fan 4 can be driven to rotate at this time, thereby creating a local low - pressure area with strong airflow, so that the air with a relatively large external pressure and the dust and small particles in it are sucked into the working part 2, and the relatively clean air can flow out from the handheld part 1. The working part 2 is provided with an inhalation section 21 on the front side of the fan 4. A suction port 211 is penetrated through the inhalation section 21. It also includes a filter screen 5 located between the suction port 211 of the working part 2 and the fan 4. The filter screen 5 is detachably connected to the working part 2 by means of buckling, bolts, etc. The working part 2 and the handheld part 1 are detachably connected by means of bolts, magnetic attraction, etc. Since the filter screen 5 is located between the suction port 211 of the working part 2 and the fan 4, during the process of starting the motor 3 to drive the fan 4 to rotate, the dust and small particles in the air entering the suction port 211 from the outside can be intercepted by the filter screen 5 and cannot continue to move backward. Also, because the working part 2 and the handheld part 1 are detachable and the filter screen 5 and the working part 2 are detachable, when the vacuum cleaner is blocked by large particles, since the large particles cannot pass through the filter screen 5 and are located in front of the filter screen 5, at this time, after detaching the working part 2 from the handheld part 1, the filter screen 5 can be detached from the working part 2, and then the substances in the suction port 211 in front of the filter screen 5 of the working part 2 can be cleaned and the large - particle impurities attached to the filter screen 5 can be cleaned. To sum up, since the handheld part 1 and the working part 2 as well as the handheld part 1 and the filter screen 5 can be disassembled and assembled, during the use process, if the vacuum cleaner is blocked, the working part 2 can be quickly and efficiently detached, separating the working part 2 from the filter screen 5, and then the filter screen 5 and the working part 2 can be cleaned without bringing trouble to the continuous use of the vacuum cleaner. In addition, after the filter screen 5 is installed in the working part 2, the handheld part 1 is then connected to the working part 2, so that unrelated personnel cannot contact the filter screen 5.

[0035] Preferably, the inhalation section 21 is in a shape of a constriction from the back to the front. The inhalation section 21 in the shape of a constriction from the back to the front can be more conveniently inserted into narrow gaps, furniture corners, places near the wall corner, etc., improving the dust - suction efficiency. At the same time, the inhalation section 21 in the shape of a constriction from the back to the front prevents the filter screen 5 located in the working part 2 from moving forward and leaving through the suction port 211, further improving the stability of the filter screen 5 in the working part 2.

[0036] Preferably, a plurality of filter holes 51 are circumferentially and penetratingly provided in the filter screen 5, and each filter hole 51 is provided with a reduced opening from front to back. Since the diameter of the rear side of each filter hole 51 is the smallest, during the operation of the working part 2, substances with a diameter larger than the diameter of the rearmost side of each filter hole 51 cannot pass through the filter hole 51, thereby further reducing the risk of blockage. The largest diameter of the front side of each filter hole 51 enables the dust and impurities entering the suction port 211 to approach each filter hole 51 more quickly and then be blocked by the rear side of each filter hole 51.

[0037] Wherein, a retaining ring 22 is provided at the rear side of the inhalation section 21 of the working part 2. The filter screen 5 is located at the rear side of the retaining ring 22 and abuts against the retaining ring 22. A plurality of connecting members 221 made of a material prone to deformation are circumferentially and prominently provided on the retaining ring 22. Each connecting member 221 includes a fixing section 2211 and limiting insertion blocks 252212 located on the left and right sides of the fixing section 2211. Each fixing section 2211 is inserted into the filter screen 5, and the front end face of each limiting insertion block 252212 abuts against the rear side of the filter screen 5. A matching groove 2213 is penetratingly provided in the middle of the fixing section 2211. The filter screen 5 is provided with fixing slots 52 corresponding to each fixing section 2211. 1. Since the retaining ring 22 abuts against the filter screen 5, the retaining ring 22 can facilitate the installation of the filter screen 5 from the rear side of the working part 2. That is, when the filter screen 5 abuts against the retaining ring 22, the filter screen 5 cannot move forward any further and its position is determined. 2. During the process of the filter screen 5 approaching the retaining ring 22, the limiting insertion blocks 252212 of each connecting member 221 need to deform towards the direction of the matching groove 2213 and then forcefully cross the fixing slot 52 so that each limiting insertion block 252212 can abut against the filter screen 5. When the filter screen 5 needs to be removed from the working part 2, after separating the working part 2 from the handheld part 1, at this time, by applying a force to squeeze each limiting insertion block 252212 towards the direction of the fixing slot 52 and then moving the filter screen 5 backward, the filter screen 5 can be removed from the working part 2.

[0038] In addition, a positioning plate 11 is rotatably installed on the handheld part 1. The working part 2 is provided with a placement groove 23 on the rotation track of the positioning plate 11. The positioning plate 11 protrudes downward with a fixing insertion block 111. The fixing insertion block 111 is detachably connected to the working part 2. After the filter screen 5 is installed in the working part 2, at this time, the handheld part 1 is installed behind the working part 2. After rotating the positioning plate 11 on the handheld part 1 downward, it can enter the placement groove 23 of the working part 2. After the fixing insertion block 111 on the positioning plate 11 is detachably connected to the working part 2, the relative position of the working part 2 and the handheld part 1 can be determined, thereby facilitating the fixation of the handheld part 1 and the working part 2.

[0039] Among them, the fixed insertion block 111 is made of a material such as rubber that is prone to deformation and is recessed inwardly with a limit slot 1111. The working part 2 is provided with a fixed slot 24 for the fixed insertion block 111 to be inserted into and a limit insertion block 252212 that cooperates with the limit slot 1111 in the insertion slot 23. Therefore, after turning towards the rotation positioning plate 11, the fixed insertion block 111 on the positioning plate 11 can approach the fixed slot 24 on the working part 2. At this time, the part below the limit slot 1111 of the fixed insertion block 111 will first enter the fixed slot 24 and contact the limit insertion block 252212 located in the fixed slot 24. Therefore, this part of the fixed insertion block 111 needs to be forced downward to cross the limit insertion block 252212 so that the limit insertion block 252212 reaches the limit slot 1111. Therefore, without external force, the fixed insertion block 111 can be stably connected to the fixed slot 24. When the positioning plate 11 needs to be rotated upward, at this time, the part of the fixed insertion block 111 on the positioning plate 11 that is subjected to the upward acting force will forcibly cross the mating insertion block during the upward movement to separate the mating insertion block from the mating slot, thereby separating the positioning plate 11 from the insertion slot 23.

[0040] Furthermore, the working part 2 and the handheld part 1 can be stably connected by detachable connection methods such as magnetic attraction, bolts, and buckles. The above operations are common designs in this industry and will not be specifically described here. In this technical solution, they are connected by magnetic attraction.

[0041] Among them, a rotating shaft 112 is integrally formed and installed on the positioning plate 11. The handheld part 1 includes a left connection section 12 for the left side of the rotating shaft 112 to be inserted into and a right connection section 13 for the right side of the rotating shaft 112 to be inserted into. The motor 3 and the fan 4 are both located between the left connection section 12 and the right connection section 13. The left connection section 12 and the right connection section 13 are detachably connected by bolts or the like. The switch 6 is located between the left connection section 12 and the right connection section 13. Since the left connection section 12 and the right connection section 13 are detachably connected, when the motor 3 and the fan 4 need to be cleaned and repaired, after separating the working part 2 from the handheld part 1, the left connection section 12 and the right connection section 13 of the handheld part 1 can be separated, which facilitates access to the motor 3 and the fan 4.

[0042] Preferably, a plurality of connection seats 121 are fixedly installed on the left connection section 12. The right connection section 13 is provided with connection slots 131 corresponding to each connection seat 121. Each connection seat 121 is connected to the corresponding connection slot 131 by a bolt 7. The connection method of the connection seat 121 and the connection slot 131 by the bolt 7 not only ensures the tightness of the connection between the left and right connection sections 13 but also simplifies the assembly process. By removing the bolt 7, the left connection section 12 and the right connection section 13 can be separated, improving the assembly efficiency.

[0043] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anti-clogging handheld vacuum cleaner, comprising a handheld portion, a working portion located in front of the handheld portion, a motor and a fan located between the handheld portion and the working portion, wherein the fan is fixedly connected to the motor, the working portion is located in front of the fan and is provided with a suction section, and a suction port is provided through the suction section, characterized in that: It also includes a filter screen located between the suction port and the fan, wherein the filter screen is detachably connected to the working part, and the working part is detachably connected to the hand-held part.

2. The anti-clogging handheld vacuum cleaner according to claim 1, characterized in that: The suction section is in a shape of a contraction from the back to the front.

3. The anti-clogging handheld vacuum cleaner according to claim 1 or 2, characterized in that: The filter screen is provided with a plurality of filter holes in the circumferential direction, and each filter hole is arranged to be narrowed from the front to the back.

4. The anti-clogging handheld vacuum cleaner according to claim 3, characterized in that: The working part is provided with a retaining ring at the rear side of the suction section, the filter is located at the rear side of the retaining ring and abuts against the retaining ring, the retaining ring is provided with a plurality of connecting parts made of a material that is easy to deform and protrude circumferentially, each connecting part includes a fixed section and limiting plugs located on the left and right sides of the fixed section, each fixed section is inserted with a filter and the front end face of each limiting plug abuts against the rear side of the filter, a matching groove is provided through the middle of the fixed section, and the filter is provided with a fixed slot corresponding to each fixed section.

5. The anti-clogging handheld vacuum cleaner according to claim 1, characterized in that: A positioning plate is rotatably mounted on the handheld portion, an insertion groove is arranged on the rotation track of the positioning plate on the working portion, a fixing plug is protruding downward on the positioning plate, and the fixing plug is buckled and connected with the working portion.

6. The anti-clogging handheld vacuum cleaner according to claim 5, characterized in that: The fixed plug block is made of a deformable material and is recessed inwardly to provide a limiting slot. The working portion is located in the insertion slot and is provided with a fixed slot for the fixed plug block to be installed and a limiting plug block that cooperates with the limiting slot.

7. The anti-clogging handheld vacuum cleaner according to claim 6, characterized in that: A rotating shaft is fixedly installed on the positioning plate, the hand-held part includes a left connecting section for the left side of the rotating shaft to be installed and a right connecting section for the right side of the rotating shaft to be installed, the motor and the fan are both located between the left connecting section and the right connecting section, the left connecting section and the right connecting section are detachably connected, and the switch is located between the left connecting section and the right connecting section.

8. The anti-clogging handheld vacuum cleaner according to claim 7, characterized in that: A plurality of connection seats are fixedly mounted on the left connection section, and a connection groove is provided corresponding to each connection seat of the right connection section, and each connection seat is respectively connected to the corresponding connection groove by bolts.

Images