A pressing linkage release device and a handheld vacuum cleaner

Abstract

The present invention discloses a push-linked release device and a handheld vacuum cleaner, wherein the push-linked release device comprises a box body and a shell assembly, wherein the shell assembly is covered on the box body, wherein a push-and-turn buckle and a linkage-and-turn buckle are hingedly connected in the shell assembly, wherein the push-and-turn buckle and the linkage-and-turn buckle are linked and connected and buckled with the box body. The push-and-turn buckle of the present invention drives the linkage-and-turn buckle to rotate in a linked manner through the rotation of the push-and-turn buckle, thereby loosening the buckle between the shell assembly and the box body, and facilitating disassembly and assembly.

Description

Technical Field

[0001] The present invention belongs to the technical field of vacuum cleaners, and particularly relates to a pressing linkage release device and a handheld vacuum cleaner. Background Art

[0002] Due to its small size, a handheld vacuum cleaner is very convenient to carry and use. It is mainly used for cleaning inside a vehicle and also has a good cleaning effect on keyboards, electrical appliances, etc. In existing handheld vacuum cleaners, the suction nozzle, integrated box, etc. are all connected by snap fasteners or snap joints. For example, a Chinese invention patent discloses a handheld vehicle vacuum cleaner (Application No.: 201320796727.6), which includes a vacuum cleaner body, a dust collection chamber, and a suction pipe. The vacuum cleaner body and the dust collection chamber are directly snap-fastened through simple snap fasteners, and the suction pipe is directly clamped at the suction port of the dust collection chamber. Since it is difficult to disassemble and assemble the vacuum cleaner body, the dust collection chamber, and the suction pipe, it is difficult to clean the dust collection chamber. At the same time, the snap fasteners are arranged outside the integrated box, seriously affecting the external beauty of the vacuum cleaner.

[0003] Therefore, the inventor is committed to designing a pressing device and a vacuum cleaner to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a pressing linkage release device that, after being pressed, linkage releases the snap fasteners to facilitate disassembly and assembly.

[0005] Another purpose of the present invention is to provide a handheld vacuum cleaner that is not only convenient for disassembly, assembly, and cleaning of the box body but also beautiful.

[0006] In order to achieve the above purposes, a technical solution adopted by the present invention is as follows:

[0007] A pressing linkage release device includes a box body and a housing assembly. The housing assembly covers the box body. A pressing rotating buckle and a linkage rotating buckle are spaced and hinged inside the housing assembly. The pressing rotating buckle and the linkage rotating buckle are linked and connected to each other and are buckled with the box body.

[0008] As an improvement of the pressing linkage release device of the present invention, the pressing rotating buckle and the linkage rotating buckle are linked and connected by a linkage torsion spring to form a ring.

[0009] As an improvement of the pressing linkage release device of the present invention, one end of the pressing rotating buckle is hinged to the housing assembly, and the other end of the rotating buckle is buckled with the box body.

[0010] As an improvement of the pressing linkage release device of the present invention, one end of the linkage rotating buckle is connected to the linkage torsion spring, and the other end of the linkage rotating buckle is buckled with the box body.

[0011] As an improvement of the pressing linkage release device of the present invention, the number of the linkage torsion springs is two. One end of each of the two linkage torsion springs is connected to the middle of the pressing rotating buckle, and the other end of each of the two linkage torsion springs is connected to one end of the linkage rotating buckle away from its buckling part.

[0012] As an improvement of the pressing linkage release device of the present invention, the rotating direction of the pressing rotating buckle is opposite to that of the linkage rotating buckle.

[0013] As an improvement of the pressing linkage release device of the present invention, a release button is provided on the housing assembly. The release button passes through the housing assembly and presses against the middle of the pressing rotating buckle.

[0014] As an improvement of the pressing linkage release device of the present invention, a driving component is fixed inside the housing assembly. The housing assembly is hinged to the pressing rotating buckle and the linkage rotating buckle through the driving component.

[0015] In order to achieve the above-mentioned another object, a technical solution adopted by the present invention is:

[0016] A handheld vacuum cleaner includes the above-mentioned pressing linkage release device.

[0017] As an improvement of the handheld vacuum cleaner of the present invention, one end of the box body away from the housing assembly is hinged and elastically covered with a buckling nozzle. A rotating bracket is hinged inside the buckling nozzle. One end of the rotating bracket away from the buckling nozzle is buckled with the box body.

[0018] Compared with the prior art, in the pressing linkage release device of the present invention, by hinging the pressing rotating buckle and the linkage rotating buckle inside the housing assembly, at the same time, the pressing rotating buckle and the linkage rotating buckle are linked and both are buckled with the box body, so as to achieve the purpose that after pressing the pressing rotating buckle, the linkage rotating buckle is linked to loosen, and then the buckle is released, facilitating the disassembly and assembly of the housing assembly and the box body.

[0019] Compared with the prior art, in the handheld vacuum cleaner of the present invention, by the rotation of the pressing rotating buckle, the linkage rotating buckle is driven to rotate synchronously, so that the buckle between the housing assembly and the box body is released, facilitating the disassembly, assembly and cleaning of the box body. At the same time, the pressing rotating buckle and the linkage rotating buckle are hidden inside the box body, making the whole handheld vacuum cleaner beautiful and generous. Description of the Drawings

[0020] Figure 1 It is an enlarged three-dimensional view of the handheld vacuum cleaner when the box body and the housing assembly are in a separated state in the present invention;

[0021] Figure 2 It is an enlarged cross-sectional view of the handheld vacuum cleaner of the present invention;

[0022] Figure 3 is Figure 2 The enlarged view of part A in

[0023] Figure 4 is the three - dimensional exploded view of the handheld vacuum cleaner of the present invention;

[0024] Figure 5 is the three - dimensional enlarged view of the pressing rotation buckle, the linkage rotation buckle and the linkage torsion spring in the present invention.

[0025] Illustration:

[0026] 1. Housing assembly, 11. Outer shell, 111. Air outlet, 12. Grip, 2. Box body, 21. Clamping part, 3. Clamping nozzle, 31. Eject button, 32. Inner support, 33. Air inlet cylinder, 34. Baffle plate, 35. Rotating plate, 36. Eject torsion spring, 361. Limit shaft, 4. Filter assembly, 41. Filter net group, 42. Metal net, 5. Driving assembly, 51. Upper cover, 52. Motor, 53. Sealing ring, 54. Positioning bracket, 6. Rotating bracket, 61. Protrusion, 62. Limiting part, 7. Loosening button, 71. Pressing rotation buckle, 711. First rotating shaft, 72. Linkage rotation buckle, 721. Second rotating shaft, 73. Linkage torsion spring. Detailed implementation manners

[0027] The following combines with the attached drawings to specifically clarify the implementation manners of the present invention. The attached drawings are only for reference and illustration, and do not constitute a limitation to the protection scope of the present invention patent.

[0028] Refer to Figures 1 to 5 , a pressing - linkage loosening device, including a box body 2, a housing assembly 1, a pressing rotation buckle 71 and a linkage rotation buckle 72. The housing assembly 1 is covered on the box body 2. The pressing rotation buckle 71 and the linkage rotation buckle 72 are spaced and hinged inside the housing assembly 1. The pressing rotation buckle 71 and the linkage rotation buckle 72

[0029] are linked and connected with each other and are buckled with the box body 2.

[0030] Refer to Figures 2 to 5, the housing assembly 1 includes a housing 11 and a grip 12. An air outlet 111 is provided on the housing 11. The grip 12 is fixed inside the housing 11 and exposed outside the housing 11. A battery (not labeled) is provided inside the grip 12. A driving assembly 5 is fixed on the grip 12. A circuit board (not labeled) is provided between the battery and the driving assembly 5. A release button 7 is provided on the side of the housing 11. The housing 11 is detachably connected to the box body 2 through two rotating latches (i.e., a pressing rotating latch 71 and a linkage rotating latch 72). The pressing rotating latch 71 and the linkage rotating latch 72 are spaced and hinged on the driving assembly 5. The rotating direction of the pressing rotating latch 71 is opposite to that of the linkage rotating latch 72. In this embodiment, the pressing rotating latch 71 and the linkage rotating latch 72 are hinged at two opposite ends of the driving assembly 5. The pressing rotating latch 71 and the linkage rotating latch 72 are linked by two linkage torsion springs 73. Specifically, one end of the pressing rotating latch 71 is hinged to the driving assembly 5 through a first rotating shaft 711. The other end of the pressing rotating latch 71 protrudes and is latched with the box body 2. One end of the linkage rotating latch 72 is linked to the middle part of the pressing rotating latch 71 through two linkage torsion springs 73 respectively. The other end of the linkage rotating latch 72 protrudes and is latched with the box body 2. The middle part of the linkage rotating latch 72 is hinged to the driving assembly 5 through a second rotating shaft 721. In this embodiment, the ends of the two linkage torsion springs 73 extend into the pressing rotating latch 71 and the linkage rotating latch 72 respectively. The two linkage torsion springs 73, the pressing rotating latch 71 and the linkage rotating latch 72 form a ring surrounding the driving assembly 5. One end of the two linkage torsion springs 73 is connected to the middle part of the pressing rotating latch 71. The other end of the two linkage torsion springs 73 is connected to one end of the linkage rotating latch 72 away from its latched part. The release button 7 passes through the housing assembly 1 and presses against the middle part or the latching end of the pressing rotating latch 71.

[0031] Referring to Figures 1 to 5 , the working principle of the pressing linkage release device of the present invention is as follows: When it is necessary to clean the box body 2, press the release button 7. The pressing rotating latch 71 rotates around the first rotating shaft 711. On the one hand, the pressing rotating latch 71 is released from the box body 2. On the other hand, the pressing rotating latch 71 presses against the linkage rotating latch 72 by compressing the two linkage torsion springs 73, causing the linkage rotating latch 72 to rotate around the second rotating shaft 721. The linkage rotating latch 72 is released from the box body 2, and the box body 2 is smoothly detached from the housing assembly 1.

[0032] For the pressing linkage release device of the present invention, by hinging the pressing rotating latch 71 and the linkage rotating latch 72 inside the housing assembly 1, at the same time, the pressing rotating latch 71 and the linkage rotating latch 72 are linked and both are latched with the box body 2. After pressing the pressing rotating latch 71, the linkage rotating latch 72 is linked and released, so as to achieve the purpose of releasing the latch, which is convenient for the disassembly and assembly of the housing assembly 1 and the box body 2.

[0033] Referring to Figures 1 to 5A handheld vacuum cleaner comprises an air supply component (not shown), a filter component 4, a drive component 5, a snap-fit ​​nozzle 3 and the above-mentioned press-linked release device, the snap-fit ​​nozzle 3 is hinged with the box body 2, the snap-fit ​​nozzle 3 is elastically covered by a pop-up component, the shell component 1 is covered at the opening of the box body 2 away from the snap-fit ​​nozzle 3, the filter component 4 is arranged in the box body 2, the drive component 5 is fixed in the shell component 1, the drive component 5 is snapped with the box body 2 and the drive component 5 extends into the filter component 4, the air supply component is located in the snap-fit ​​nozzle 3, the drive component 5 allows the external wind to enter the box body 2 from the air inlet (not shown) of the snap-fit ​​nozzle 3 and the air supply component, and after being filtered by the filter component 4, the garbage and dust are concentrated in the box body 2.

[0034] Reference Figure 1 and Figure 4 The snap-fitting mouth 3 is annular and its side wall is arc-shaped. An inner bracket 32 ​​is fixed inside the snap-fitting mouth 3. A rotating bracket 6 is hinged inside the snap-fitting mouth 3. The rotating bracket 6 passes through the inner bracket 32. The end of the rotating bracket 6 away from the snap-fitting mouth 3 is snapped with the box body 2. Specifically, a protrusion 61 is vertically protruded at the end of the rotating bracket 6. The protrusion 61 is used to snap with the snap-fitting portion 21 of the box body 2. A limiter is protruded in the middle of the rotating bracket 6 for limiting the displacement of the pop-up button 31. The limit portion 62 is in a kan shape. The pop-up button 31 passes through the side wall of the snap-fitting mouth 3 and extends to the inside of the snap-fitting mouth 3. The pop-up button 31 tilts and presses the rotating bracket 6. Specifically, the pop-up button 31 elastically presses the limit portion 62 of the rotating bracket 6 through a spring (not shown). There is a pop-up button 31 movably abutted on the rotating bracket 6. The user directly presses the pop-up button 31 to rotate the rotating bracket 6, and the snap-fitting of the rotating bracket 6 and the box body 2 is released, thereby popping open the snap-fitting mouth 3.

[0035] Reference Figure 2, an elastic component is provided inside the inner bracket 32. The elastic component is housed inside the inner bracket 32 and is away from the hinged end of the rotating bracket 6. The two ends of the elastic component elastically press against the inner bracket 32 and the fastening portion 21 respectively. The elastic component includes a spring-opening torsion spring 36 and two U-shaped rotating plates 35. The two rotating plates 35 are arranged in a V-shaped cross and symmetrically. The cross ends of the two rotating plates 35 are connected to the inner bracket 32 through a limiting shaft 361. The two free ends of the two rotating plates 35 are respectively connected to the inner bracket 32 through another two limiting shafts 361. The three limiting shafts 361 are arranged parallel to each other. The spring-opening torsion spring 36 is in an M shape. The spiral part of the spring-opening torsion spring 36 corresponds to the ends of the two rotating plates 35 (i.e., the cross ends and the two free ends of the rotating plates 35). The three limiting shafts 361 respectively pass through the spiral part of the spring-opening torsion spring 36, so that the spring-opening torsion spring 36 is assembled with the two rotating plates 35. The two rotating plates 35 are respectively fixed to the two free ends of the spring-opening torsion spring 36 and respectively press against the inner bracket 32 and the fastening portion 21. When the rotating bracket 6 rotates and the protruding portion 61 is released from the fastening portion 21, the spring-opening torsion spring 36 pops open the fastening nozzle 3 through the two rotating plates 35.

[0036] Refer to Figure 2 , when the fastening nozzle 3 is fastened to the box body 2, the spring-opening torsion spring 36 is in a compressed state. Press the spring-opening button 31 with one key. The spring-opening button 31 elastically presses against the rotating bracket 6 and is limited by the limiting portion 62. The rotating bracket 6 rotates around its rotating shaft. The protruding portion 61 of the rotating bracket 6 is released from the fastening portion 21 of the box body 2. The spring-opening torsion spring 36 recovers its elastic deformation and elastically presses against the inner bracket 32 and the fastening portion 21 through the two rotating plates 35, automatically popping open the fastening nozzle 3. After use, manually rotate the fastening nozzle 3 to make the protruding portion 61 fastened to the fastening portion 21, and the fastening nozzle 3 covers the box body 2.

[0037] Refer to Figure 2 , the air inlet component includes a baffle plate 34 and an air inlet cylinder 33. The rotating bracket 6 is located on the side of the air inlet cylinder 33. The air inlet cylinder 33 passes through the inner bracket 32 and is fixed to the inner bracket 32. The inner cavity of the air inlet cylinder 33 is communicated with the air inlet of the fastening nozzle 3 to form an air inlet channel (not marked). The baffle plate 34 is movably covered at the outlet of the air inlet cylinder 33. In order to facilitate opening the baffle plate 34, the baffle plate 34 is inclined. The spring-opening button 31, the rotating bracket 6 and the spring-opening component are all located outside the air inlet cylinder 33.

[0038] Refer to Figure 2 , the box body 2 is annular and has openings at both ends. The opening of the box body 2 close to the fastening nozzle 3 vertically extends radially inward to form a fastening portion 21. The fastening portion 21 is in a plate shape. The fastening portion 21 is hinged to the fastening nozzle 3. The inner bracket 32 is elastically abutted against the fastening portion 21 through the spring-opening component.

[0039] Refer to Figure 2The filter assembly 4 is used to filter garbage and debris in the inhaled air and block the garbage and debris in the box body 2. The filter assembly 4 includes a filter mesh group 41 and a metal mesh 42. The filter mesh group 41 is arranged in the box body 2, and the filter mesh group 41 is fixed inside the metal mesh 42.

[0040] Reference Figure 2 and Figure 3 The driving assembly 5 includes an upper cover 51, a motor 52, a sealing ring 53 and a positioning frame 54. The positioning frame 54 is arranged in the shell 11. The upper cover 51 is covered on the positioning frame 54 and forms a cavity (not marked). The motor 52 is fixed in the cavity of the positioning frame 54. The sealing ring 53 is located between the positioning frame 54 and the motor 52 and is sleeved on the motor 52. In order to facilitate the disassembly and cleaning of the box body 2, the upper cover 51 is fixed on the handle 12 and is located in the shell 11. The positioning frame 54 partially extends into the filter group 41. The pressing and rotating buckle 71 is hinged to the upper cover 51 through the first rotating shaft 711, and the linkage rotating buckle 72 is hinged to the upper cover 51 through the second rotating shaft 721.

[0041] Reference Figures 1 to 5 The working principle of the handheld vacuum cleaner of the present invention is as follows: the motor 52 rotates at a high speed to rotate and suck the baffle plate 34 open, and the air sucked from the air inlet of the snap-fit ​​nozzle 3 enters the box body 2 through the air inlet channel. On the one hand, the filter group 41 and the metal mesh 42 block the garbage and debris and store them in the box body 2. On the other hand, the air filtered by the filter group 41 and the metal mesh 42 is discharged from the air outlet 111 through the motor 52. When the box body 2 is full of garbage and debris, the pop-up button 31 is pressed, the rotating bracket 6 rotates, and the pop-up torsion spring 36 pops the snap-fit ​​nozzle 3 open. The snap-fitting mouth 3 automatically rotates and opens to pour out the garbage and debris collected in the box body 2. The release button 7 is pressed, and the pressing and rotating buckle 71 rotates around the first rotating shaft 711. On the one hand, the pressing and rotating buckle 71 is released from the box body 2. On the other hand, the pressing and rotating buckle 71 compresses the two linked torsion springs 73 to press the linked rotating buckle 72, so that the linked rotating buckle 72 rotates around the second rotating shaft 721, and the linked rotating buckle 72 is released from the box body 2. Finally, the entire shell assembly 1 and the driving assembly 5 are separated from the filter assembly 4 and the box body 2. The filter assembly 4 is taken out to clean the inner wall of the box body 2.

[0042] The handheld vacuum cleaner of the present invention drives the linkage rotating buckle 72 to rotate in conjunction with the push-rotating buckle 71, so that the buckle between the shell assembly 1 and the box body 2 is loosened, which is convenient for disassembly and cleaning of the box body 2. At the same time, the push-rotating buckle 71 and the linkage rotating buckle 72 are hidden in the box body 2, making the entire handheld vacuum cleaner beautiful and generous.

[0043] The above-disclosed are only the preferred embodiments of the present invention, and the scope of the rights of the present invention cannot be limited thereby. Therefore, equivalent changes made according to the scope of the patent application of the present invention still fall within the scope covered by the present invention.

Claims

1. A pressing linkage release device, comprising a box body and a housing assembly, wherein the housing assembly is covered on the box body, and is characterized in that, A pressing and rotating buckle and a linkage rotating buckle are hinged at intervals inside the housing assembly. The pressing and rotating buckle and the linkage rotating buckle are connected in a linkage manner and are buckled with the box body; The pressing and rotating buckle and the linkage rotating buckle are linked by Two a linkage torsion spring to form a ring; A driving component is fixed inside the housing assembly. The rotating direction of the pressing and rotating buckle is opposite to the rotating direction of the linkage rotating buckle. The pressing and rotating buckle and the linkage rotating buckle are hinged at two opposite ends of the driving component; One end of the pressing and rotating buckle is hinged to the driving component through a first rotating shaft, and the other end of the pressing and rotating buckle protrudes and is buckled with the box body; One end of the linkage rotating buckle is connected to the middle part of the pressing and rotating buckle through two linkage torsion springs respectively. The other end of the linkage rotating buckle protrudes and is buckled with the box body. The middle part of the linkage rotating buckle is hinged to the driving component through a second rotating shaft. A release button is arranged on the housing assembly. The release button passes through the housing assembly and presses against the middle part of the pressing and rotating buckle. Including the pressing and linkage release device according to any one of claims 1-2. One end of the box body away from the housing assembly is hinged and elastically covered with a buckling nozzle. A rotating bracket is hinged inside the buckling nozzle. One end of the rotating bracket away from the buckling nozzle is buckled with the box body.

2. The pressing linkage release device according to claim 1, wherein ​ 3. A handheld vacuum cleaner, characterized in that, ​ 4. The handheld vacuum cleaner according to claim 3, characterized in that, ​

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