Vacuum cleaner with steerable joint piece

Abstract

A dust collector with a steerable connector piece comprises a dust collecting unit, the connector piece and a suction unit. The dust collection unit comprises a shell and a vacuum motor arranged in the shell, and the shell is provided with an air inlet and an air outlet. The connector piece comprises a fixed pipe arranged on the air inlet and a rotating pipe rotationally arranged on the fixed pipe. The suction unit comprises a pipe fitting arranged on the rotating pipe and a suction head arranged on the pipe fitting, and the air inlet, the fixed pipe, the rotating pipe and the pipe fitting are communicated with the suction head. The rotating pipe is rotatably arranged on the fixed pipe, so that the rotating pipe can be matched with the movement of the pipe fitting to steer, the problem that the pipe fitting is bent or wound is avoided, and the pipe fitting is kept in a smooth pipe shape in the dust collection process so as to keep smooth air suction.

Description

Technical Field

[0001] The utility model relates to a vacuum cleaner, in particular to a vacuum cleaner with a steerable joint piece. Background Art

[0002] An existing back-type vacuum cleaner disclosed in Chinese invention patent publication number CN110063685B includes a vacuum main body, a vacuum connection pipe disposed on the vacuum main body, and a vacuum head disposed on the vacuum connection pipe. The vacuum head can be operated to perform vacuuming.

[0003] However, since the vacuum connection tube is fixedly connected to the vacuum main body, when the vacuum head is pulled, the vacuum connection tube is easily bent or tangled, causing the vacuum head to have trouble suctioning or the vacuum connection tube to be pulled and damaged. Utility Model Content

[0004] The purpose of the utility model is to provide a vacuum cleaner with a steerable joint member which can improve at least one of the above-mentioned disadvantages.

[0005] The utility model has a vacuum cleaner with a rotatable joint part, comprising a dust collecting unit, a joint part, and a suction unit. The dust collecting unit comprises a shell part, and a vacuum motor arranged in the shell part, the shell part has an air inlet located upstream of the vacuum motor, and an air outlet located downstream of the vacuum motor, the joint part comprises a fixed pipe arranged at the air inlet, and a rotating pipe rotatably arranged at the fixed pipe, the suction unit comprises a pipe part arranged at the rotating pipe, and a suction head arranged at the pipe part, the air inlet, the fixed pipe, the rotating pipe, the pipe part and the suction head are connected.

[0006] The utility model discloses a vacuum cleaner with a steerable joint member, wherein the fixed tube has an insertion tube portion extending into the air inlet and surrounding an axis, and a first coupling tube portion connected to the insertion tube portion and defining a channel around the axis, the rotating tube has a second coupling tube portion rotatably coupled to the first coupling tube portion and surrounding the axis, and a connecting tube portion connected to the second coupling tube portion and communicating with the insertion tube portion, and the joint member also includes a plurality of limit members elastically abutting against the first coupling tube portion and the second coupling tube portion, so that the second coupling tube portion can rotate relative to the first coupling tube portion and the second coupling tube portion cannot be separated from the first coupling tube portion.

[0007] The utility model discloses a vacuum cleaner with a steerable joint member, wherein the second connecting tube portion extends into the channel and has a groove surface facing the first connecting tube portion, wherein the groove surface defines a groove surrounding the axis, and the groove surface has an inner surface portion extending in a direction parallel to the axis, and two limiting surface portions connected to two opposite sides of the inner surface portion in a direction parallel to the axis, wherein each of the limiting members has an elastic portion elastically abutting against the inner surface portion and located between the limiting surface portions.

[0008] The vacuum cleaner with a steerable joint member described in the utility model, the first connecting tube portion has a plurality of through holes at angular intervals and connected to the channel, each of the limiting members also has a card block and a supporting portion arranged at the corresponding through hole, the elastic portion of each limiting member is a spring sheet and is connected to one side of the corresponding card block along the extension direction of the groove, the supporting portion of each limiting member is connected to the side of the corresponding elastic portion opposite to the corresponding card block along the extension direction of the groove and abuts against the groove surface.

[0009] In the vacuum cleaner with a steerable joint member of the utility model, the fixed pipe also has a spring buckle arranged on the insertion pipe portion, and the spring buckle can be detachably embedded in the portion of the shell member adjacent to the air inlet.

[0010] The vacuum cleaner with a steerable joint member of the utility model further comprises a shoulder strap unit which is arranged on the shell member and is worn by a user, and the air inlet is located above the shell member.

[0011] The vacuum cleaner with a steerable joint member of the utility model further comprises an electric control unit, wherein the electric control unit comprises a wire disposed on the shell and electrically connected to the vacuum motor, and a handheld switch connected to the wire and used to start the vacuum motor.

[0012] In the vacuum cleaner with a steerable joint member of the utility model, the electric control unit further comprises at least one rechargeable battery which is detachably arranged on the shell member and electrically connected to the vacuum motor.

[0013] The vacuum cleaner with a steerable joint member of the utility model, the electric control unit also includes a power socket which is arranged on the shell and electrically connected to the vacuum motor.

[0014] The dust collector with the steerable joint member of the utility model, the dust collecting unit also includes a hook arranged on the shell member.

[0015] The beneficial effect of the utility model is that the rotating tube is rotatably arranged on the fixed tube, so that the rotating tube can turn in coordination with the movement of the tube, avoiding the problem of bending or winding of the tube, so that the tube maintains a smooth tubular shape during the vacuuming process and keeps the air suction smooth. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional assembly diagram of the first embodiment of the vacuum cleaner with a steerable joint member of the utility model;

[0017] Figure 2 is a partial three-dimensional exploded view of the first embodiment;

[0018] Figure 3 is a partial three-dimensional exploded view of the first embodiment viewed from another angle;

[0019] Figure 4 is a fragmentary cross-sectional view of a connector of the first embodiment;

[0020] Figure 5 is along Figure 4 A sectional view taken along line VV in FIG.

[0021] Figure 6 is along Figure 5 A sectional view taken along line VI-VI;

[0022] Figure 7 is an incomplete stereoscopic view of the first embodiment, showing a rotating tube of the joint member rotating relative to a fixed tube;

[0023] Figure 8 It is a three-dimensional assembly diagram of a second embodiment of the vacuum cleaner with a steerable joint member of the utility model. DETAILED DESCRIPTION

[0024] The utility model is described in detail below with reference to the accompanying drawings and embodiments.

[0025] Before the present invention is described in detail, it should be noted that similar elements are represented by the same reference numerals in the following description.

[0026] See also Figure 1 and Figure 2 The first embodiment of the vacuum cleaner with a steerable joint member of the utility model comprises a dust collecting unit 1, a joint member 20, a shoulder strap unit 5, an electronic control unit 6, and a suction unit 7.

[0027] The dust collecting unit 1 includes a housing 11, a vacuum motor 12 disposed in the housing 11, and a hook 13 disposed on the housing 11. The housing 11 has an air inlet 111 located upstream of the vacuum motor 12, and an air outlet 112 located downstream of the vacuum motor 12. The air inlet 111 is located above the housing 11, and the air outlet 112 is located below the housing 11.

[0028] See also Figure 2 ,and Figure 3 The joint member 20 includes a fixed tube 2 disposed at the air inlet 111 , a rotating tube 3 rotatably disposed at the fixed tube 2 , an O-ring 33 , and two stoppers 4 .

[0029] The fixed tube 2 has an insertion tube portion 21 extending into the air inlet 111 and surrounding an axis L, a first coupling tube portion 22 connected to the insertion tube portion 21 and defining a channel 221 around the axis L, and a snap 23 disposed on the fixed tube 2. The channel 221 is connected to the air inlet 111. The first coupling tube portion 22 has two through holes 222 spaced at an angle and connected to the channel 221. Specifically, the through holes 222 are located on two opposite sides of the axis L.

[0030] See also Figure 4 The snap button 23 comprises a snap member 231 movably disposed on the insertion tube portion 21 in a direction perpendicular to the axis L, and a spring 232 elastically supported between the snap member 231 and the insertion tube portion 21. The snap button 23 is detachably engaged with a portion of the housing 11 adjacent to the air inlet 111.

[0031] See also Figure 3 ,and Figure 4 The rotating tube 3 has a second coupling tube portion 31 rotatably coupled to the first coupling tube portion 22 and surrounding the axis L, and a connecting tube portion 32 connected to the second coupling tube portion 31. The second coupling tube portion 31 extends into the channel 221 and is loosely connected to the first coupling tube portion 22. The second coupling tube portion 31 has a groove surface 311 facing the first coupling tube portion 22. The groove surface 311 has an inner surface portion 3111 extending in a direction parallel to the axis L, and two limiting surface portions 3112 connected to opposite sides of the inner surface portion 3111 in a direction parallel to the axis L. The inner surface portion 3111 and the limiting surface portion 3112 jointly define a groove 312 surrounding the axis L. The connecting tube portion 32 is a curved tube and connects the second coupling tube portion 31 and the insertion tube portion 21.

[0032] The O-ring 33 surrounds the second connecting pipe portion 31 and is located at an end of the groove 312 opposite to the connecting pipe portion 32 along the extending direction of the axis L. The O-ring 33 is disposed between the first connecting pipe portion 22 and the second connecting pipe portion 31 to enhance the airtightness between the first connecting pipe portion 22 and the second connecting pipe portion 31.

[0033] See also Figures 4 to 6 , the stopper 4 elastically abuts between the first combined tube portion 22 and the second combined tube portion 31. Each of the stoppers 4 has a block 41 disposed at the corresponding through hole 222, an elastic portion 42 connected to one side of the block 41 along the extending direction of the groove 312 and located in the groove 312, and an abutting portion 43 connected to one side of the block 41 opposite to the corresponding elastic portion 42 along the extending direction of the groove 312 and abutting against the groove surface 311. Each of the elastic portions 42 is a spring sheet elastically abutting against the inner surface portion 3111 and located between the stopper surface portions 3112. Since the second connecting tube portion 31 and the first connecting tube portion 22 are loosely matched, and the elastic portion 42 is embedded in the groove 312, the second connecting tube portion 31 can stably rotate relative to the first connecting tube portion 22, and the second connecting tube portion 31 cannot be separated from the first connecting tube portion 22 by the limiting surface portion 3112. In this embodiment, the number of the limiting member 4 and the number of the through hole 222 are two, but this is not limited to this. In other variations of this embodiment, the number of the limiting member 4 and the number of the through hole 222 can also be more than three.

[0034] See also Figure 1 The shoulder strap unit 5 is disposed on the shell 11 and is used for being worn by a user (not shown).

[0035] The electronic control unit 6 includes a wire 61 disposed on the housing 11 and electrically connected to the vacuum motor 12, a handheld switch 62 connected to the wire 61, and two rechargeable batteries 63 detachably disposed on the housing 11 and electrically connected to the vacuum motor 12. The handheld switch 62 is used to turn on and off the vacuum motor 12 or adjust the speed of the vacuum motor 12. It should be noted that the function of the rechargeable battery 63 is to supply power to the vacuum motor 12, so in other variations of this embodiment, the number of the rechargeable batteries 63 may be only one or more than three, and is not limited thereto.

[0036] In the present embodiment, the vacuum cleaner with a steerable connector is a backpack vacuum cleaner. In other variations of the present embodiment, the connector 20 can also be installed at different positions of the shell 11, or installed on a floor-standing vacuum cleaner, without limiting the location of the air inlet 111 and the air outlet 112.

[0037] See also Figure 1 ,and Figure 2 The suction unit 7 includes a pipe fitting 71 disposed on the connecting pipe portion 32 of the rotating tube 3, and a suction head 72 disposed on the pipe fitting 71. The pipe fitting 71 is a corrugated hose. The air inlet 111, the fixed tube 2, the rotating tube 3, the pipe fitting 71 and the suction head 72 are connected.

[0038] See also Figure 1 ,and Figure 7 When the user operates the suction head 72 to pull the tube 71, the rotating tube 3 of the connector 20 can rotate relative to the fixed tube 2, so that the tube 71 can smoothly turn to the other side and avoid bending. In addition to keeping the flow channel in the tube 71 unobstructed and maintaining a good suction effect, it can also reduce the probability of the tube 71 being broken or damaged due to long-term use, thereby increasing the service life of the tube 71.

[0039] See also Figure 8 , which is the second embodiment of the vacuum cleaner with a swivel joint member of the utility model, and is referred to in conjunction with Figure 1 The difference between the second embodiment and the first embodiment is that the electric control unit 6 does not include the rechargeable battery 63, but the electric control unit 6 also includes a power socket 64 disposed on the shell 11 and electrically connected to the vacuum motor 12. The power socket 64 is used for plugging a power cord (not shown) to supply power to the vacuum motor 12. When using the vacuum cleaner with a rotatable connector, the power cord can be hung around the hook 13 to prevent the power cord from being entangled with the user's body and causing trouble.

[0040] In summary, the utility model has a vacuum cleaner with a steerable joint member, and the rotatable tube 3 is rotatably arranged on the fixed tube 2, so that the rotatable tube 3 can be turned in coordination with the movement of the tube 71, thereby avoiding the problem of bending or winding of the tube 71, so that the tube 71 can maintain a smooth tubular shape and keep the air suction smooth during the vacuuming process, so that the purpose of the utility model can be achieved.

[0041] The above is only an embodiment of the present invention and should not be used to limit the scope of the present invention. All simple equivalent changes and modifications made according to the claims and description of the present invention are still within the scope of the present invention.

Claims

1. A vacuum cleaner with a steerable joint, comprising a dust collecting unit, a joint, and a suction unit; characterized in that: The dust collecting unit includes a shell and a vacuum motor arranged in the shell, the shell has an air inlet located upstream of the vacuum motor and an air outlet located downstream of the vacuum motor, the connector includes a fixed tube arranged at the air inlet and a rotating tube rotatably arranged at the fixed tube, the suction unit includes a pipe fitting arranged at the rotating tube and a suction head arranged at the pipe fitting, the air inlet, the fixed tube, the rotating tube, the pipe fitting and the suction head are connected.

2. The vacuum cleaner with a steerable joint according to claim 1, characterized in that: The fixed tube has an insertion tube portion extending into the air inlet and surrounding an axis, and a first coupling tube portion connected to the insertion tube portion and defining a channel around the axis, the rotating tube has a second coupling tube portion rotatably coupled to the first coupling tube portion and surrounding the axis, and a connecting tube portion connected to the second coupling tube portion and communicating with the insertion tube portion, and the joint member also includes a plurality of limit members elastically abutting between the first coupling tube portion and the second coupling tube portion, so that the second coupling tube portion can rotate relative to the first coupling tube portion and the second coupling tube portion cannot be separated from the first coupling tube portion.

3. The vacuum cleaner with a steerable joint according to claim 2, characterized in that: The second coupling tube portion extends into the channel and has a groove surface facing the first coupling tube portion, the groove surface defining a groove around the axis, the groove surface having an inner surface portion extending in a direction parallel to the axis, and two limiting surface portions connected to two opposite sides of the inner surface portion in a direction parallel to the axis, each of the limiting members having an elastic portion elastically resting against the inner surface portion and located between the limiting surface portions.

4. The vacuum cleaner with a steerable joint according to claim 3, characterized in that: The first combining tube portion has a plurality of through holes at angular intervals and connected to the channel, and each of the limiting members also has a block and a supporting portion arranged at the corresponding through hole, and the elastic portion of each limiting member is a spring sheet and is connected to one side of the corresponding block along the extension direction of the groove, and the supporting portion of each limiting member is connected to one side of the corresponding elastic portion opposite to the corresponding block along the extension direction of the groove and abuts against the groove surface.

5. The vacuum cleaner with a steerable joint according to claim 2, characterized in that: The fixing tube further comprises a snap button arranged on the insertion tube portion, and the snap button is detachably embedded in a portion of the shell member adjacent to the air inlet.

6. The vacuum cleaner with a steerable joint according to claim 1, characterized in that: The vacuum cleaner with a steerable joint also comprises a shoulder strap unit which is arranged on the shell and worn by a user, and the air inlet is located above the shell.

7. The vacuum cleaner with a steerable joint according to claim 6, characterized in that: The vacuum cleaner with a steerable joint also includes an electric control unit, which includes a wire arranged on the shell and electrically connected to the vacuum motor, and a handheld switch connected to the wire and used to start the vacuum motor.

8. The vacuum cleaner with a steerable joint according to claim 7, characterized in that: The electronic control unit further includes at least one rechargeable battery detachably disposed on the housing and electrically connected to the vacuum motor.

9. The vacuum cleaner with a steerable joint according to claim 7, characterized in that: The electric control unit also includes a power socket disposed on the shell and electrically connected to the vacuum motor.

10. The vacuum cleaner with a steerable joint according to claim 1, characterized in that: The dust collecting unit further comprises a hook arranged on the shell.

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