CN213850451U - Dust collector pipe connecting structure and handheld dust collector - Google Patents

Abstract

The utility model relates to a dust catcher pipe fitting connection structure and hand-held type dust catcher, including first pipe fitting, second pipe fitting and buckle mechanism, fixed being provided with the connection terminal on the first pipe fitting, buckle mechanism includes slip unit and connecting piece. The connecting piece sets up in the periphery wall of first pipe fitting, the connecting piece has expansion end and stiff end, fixed end department is provided with the locking structure, the outside of first pipe fitting is located to the slip unit cover, the inboard of slip unit still is provided with the draw-in groove that extends along the slip direction of slip unit, the outside of connection terminal is provided with the fixture block of slidable mounting in the draw-in groove, the expansion end is located between the periphery wall of slip unit and first pipe fitting, and the slip unit inner wall has the arch of contradicting with the expansion end, the slip unit can slide in order to switch between joint position and dismantlement position along the extending direction of first pipe fitting. The purpose of replacing the pipe fitting of the handheld dust collector by one hand is achieved, the use is convenient, and the operation is simple.

Description

Dust collector pipe connecting structure and handheld dust collector

Technical Field

The utility model relates to a dust catcher technical field especially relates to a dust catcher pipe fitting connection structure and hand-held type dust catcher.

Background

The dust collector is a good helper of modern people at home, and compared with traditional old cleaning products such as brooms, mops and the like, the dust collector is not thorough in cleaning and is easy to cause secondary pollution. Therefore, the vacuum cleaner is widely used. The handheld dust collector is popular due to the fact that the handheld dust collector is simple in structure, light, convenient to operate, free of dead angles in cleaning and wide in application range.

When the hand-held dust collector is used, the brush head needs to be frequently replaced due to different use scenes. The traditional brush head replacement mode is a pressing type mode, one hand is required to press a button, and the other hand is required to forcibly pull out the brush head outwards. Inconvenient replacement and high operation difficulty.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above disadvantages and deficiencies of the prior art, the utility model provides a dust collector pipe fitting connection structure and a handheld dust collector, which solves the technical problems that the brush head is not convenient to replace and the operation difficulty is large in the prior art.

(II) technical scheme

In order to achieve the above object, the utility model provides a dust catcher pipe fitting connection structure and hand-held type dust catcher, concrete technical scheme is as follows:

the utility model provides a dust collector pipe fitting connection structure and a handheld dust collector, wherein a first pipe fitting extends between a first end part and a second end part, a wire holder is fixedly arranged on the first pipe fitting, a second pipe fitting extends between a third end part and a fourth end part, the third end part is detachably arranged on the second end part through a buckle mechanism, and the buckle mechanism comprises a sliding unit and a connecting piece;

the connecting piece is axially arranged on the peripheral wall of the first pipe fitting and is provided with a movable end close to the first end part and a fixed end far away from the first end part;

a locking structure which can be in locking connection with the third end is arranged on the connecting piece close to the fixed end;

the sliding unit is sleeved outside the first pipe fitting, the inner side of the sliding unit is also provided with a clamping groove extending along the sliding direction of the sliding unit, the outer side of the wire holder is provided with a clamping block which is slidably arranged in the clamping groove, the movable end is positioned between the sliding unit and the outer peripheral wall of the first pipe fitting, the inner wall of the sliding unit is provided with a bulge abutting against the movable end, the sliding unit can slide along the extending direction of the first pipe fitting to switch between a clamping position and a disassembling position, wherein,

the locking structure can be in locking connection with the third end under the condition that the sliding unit is located at the clamping position;

under the condition that the sliding unit is located the dismantlement position, the protruding activity end that bulldozes to the inside of first pipe fitting to drive locking structure in order to break away from to be connected with the locking of third tip.

Furthermore, a third resetting device which biases the sliding unit towards the clamping position is arranged between the sliding unit and the first pipe fitting;

the movable end of the connecting piece is provided with an inclined chute matched with the bulge, and a second resetting device for biasing the bulge towards the inclined chute is arranged between the bulge and the inclined chute;

a first resetting device is arranged between the movable end and the outer pipe wall of the first pipe fitting, and the first resetting device biases the movable end towards the direction of pushing the movable end away from the first pipe fitting.

Further, be provided with the locating hole of being connected with the locking structure cooperation on the second pipe fitting, the locking structure is wedge cylinder structure, and the terminal surface that wedge cylinder structure deviates from first pipe fitting forms into the guide inclined plane with the inner wall complex of second pipe fitting, and the outer peripheral face of wedge cylinder structure cooperatees with the inner peripheral surface of locating hole, and under the locking structure and the circumstances that the third end locking is connected, at least part of wedge cylinder structure is located the locating hole.

Further, a groove is formed in the periphery of the first pipe fitting, and at least part of the connecting piece is arranged in the groove;

the fixed end is provided with a rotating shaft, and the extending direction of the rotating shaft is vertical to the extending direction of the first pipe fitting;

the groove is also internally provided with a shaft seat matched with the rotating shaft, and the rotating shaft is rotatably connected in the shaft seat.

Furthermore, a guide rail is arranged in the groove, and a guide groove matched with the guide rail is arranged on the connecting piece;

the guide rail is arranged in the guide groove and used for limiting the movable end of the connecting piece to move along the guide groove.

Further, the first reset device is a first pressure spring, the third reset device is a second pressure spring, and the second reset device is a first tension spring;

when the sliding unit is located at the clamping position, the first pressure spring is in a compressed state, and the first tension spring and the second pressure spring are both in a free state;

when the sliding unit is in the disassembly position, the first pressure spring is in a compression state, the second tension spring is in a tension state, and the second pressure spring is in a compression state.

Further, a guide sliding table is further arranged at the first end of the first pipe fitting;

the sliding unit is sleeved on the first pipe fitting through the guide sliding table, and the guide sliding table can guide the sliding unit so that the sliding unit can move along the axial direction of the first pipe fitting.

Further, the wire holder passes through threaded connection spare fixed mounting in first pipe fitting, just the wire holder with the direction slip table is followed the extending direction interval of first pipe fitting sets up.

Preferably, the connecting piece is of a wedge-shaped structure, the thick end of the wedge-shaped structure is a fixed end, and the thin end of the wedge-shaped structure is a movable end.

The utility model also provides a hand-held dust collector, which comprises a dust collector brush head, a motor component and the dust collector pipe fitting connecting structure;

the first end at first pipe fitting is connected to the dust catcher brush head, and motor element connects the fourth tip at the second pipe fitting, and the second end of first pipe fitting and the third end of second pipe fitting pass through buckle mechanism and can dismantle the connection.

(III) advantageous effects

Adopt the utility model discloses in the dust catcher pipe fitting connection structure and the hand-held type dust catcher of disclosing, can effectually solve the not enough of prior art.

The utility model discloses in, can dismantle first pipe fitting and second pipe fitting through slip unit and connecting piece and connect. Wherein, be provided with expansion end and stiff end on the connecting piece, be close to the locking structure that fixed end department was provided with and is connected with the locking of second pipe fitting to can dismantle first pipe fitting and second pipe fitting and connect. The inner wall of the sliding unit is provided with a bulge abutting against the movable end and sleeved on the periphery of the first pipe fitting. When needs are changed, the one hand promotes the slip unit and slides toward the second tip direction of keeping away from first pipe fitting, and the arch bulldozes the expansion end, makes the expansion end to the inside removal of first pipe fitting to drive locking structure break away from and be connected with the locking of second pipe fitting, release second pipe fitting. Realizes the purpose of replacing the brush head by one hand, and has simple structure, convenient disassembly and convenient use. In addition, a clamping groove and a clamping block which are matched with each other are arranged between the wire holder and the sliding unit, so that the sliding unit can slide along the preset direction, and the stability and the reliability of the clamping mechanism are ensured.

The utility model discloses in, when the slip unit is in the dismantlement position, remove external force, under first, second and third resetting means's effect, slip unit and expansion end automatic re-setting to the joint position, realized automatic re-setting, and simple structure, the installation of being convenient for.

The utility model discloses in, still provide a hand-held type dust catcher, adopt above-mentioned dust catcher pipe fitting connection structure, can realize that the one hand changes the dust catcher brush head, convenient to use is swift.

Drawings

FIG. 1: the structure of the connecting piece in the specific embodiment is shown schematically;

FIG. 2: the structure schematic diagram of the first pipe fitting and the second pipe fitting in the specific embodiment when locked and connected;

FIG. 3: a schematic illustration of the unlocked positions of the first and second tubular in the particular embodiment;

FIG. 4: a schematic structural diagram of a sliding unit according to a first embodiment of the present invention;

FIG. 5: a schematic structural view of a first pipe element of a first embodiment;

FIG. 6: a schematic structural diagram of the wire holder of the first embodiment in the detailed description;

FIG. 7: the structure of the handheld dust collector in the first embodiment is schematic;

FIG. 8: in the second embodiment, the structure of the handheld vacuum cleaner is schematically shown.

[ description of reference ]

A. A motor assembly; B. a dust collector brush head; 10. a connecting member; 11. a locking structure; 12. a bevel chute; 13. a rotating shaft; 14. a guide groove; 15. a movable end; 16. a fixed end; 20. a second pipe member; 21. positioning holes; 22. a fourth end portion; 23. a third end portion; 30. a sliding unit; 31. a protrusion; 32. a card slot; 40. a first pipe member; 41. a groove; 42. a shaft seat; 43. a guide rail; 44. a guide sliding table; 45. a second end portion; 46. a first end portion; 47. a universal joint; 50. a first reset device; 60. a second reset device; 70. a third reset device; 80. a wire holder; 81. and (7) clamping blocks.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

Referring to fig. 1 to 7, a pipe connecting structure of a vacuum cleaner is provided, which includes a first pipe 40 and a second pipe 20, wherein the first pipe 40 extends between a first end 46 and a second end 45, a wire holder 80 is fixedly disposed on the first pipe 40, the second pipe 20 extends between a third end 23 and a fourth end 22, and the third end 23 is detachably mounted on the second end 45 by a snap mechanism. The first and second tubular members 40, 20 may be any suitable tubular structure on the vacuum cleaner that requires interconnection.

Specifically, referring to fig. 1 to 5, the snap mechanism includes a sliding unit 30 and a connector 10, the connector 10 is axially disposed on the outer circumferential wall of the first pipe member 40, and the connector 10 has a movable end 15 close to the first end 46 and a fixed end 16 far from the first end 46. The fixed end 16 of the connecting member 10 is provided with a locking structure 11 which can be locked and connected with the third end 23 of the second pipe 20. The sliding unit 30 is sleeved outside the first pipe 40 and located between the sliding unit 30 and the outer peripheral wall of the first pipe 40. The inner wall of the sliding unit 30 has a protrusion 31 abutting against the movable end 15, and the sliding unit 30 can slide axially along the extending direction of the first pipe 40 to switch between a clamping position and a disassembling position, wherein the locking structure 11 can be connected with the third end 23 in a locking manner when the sliding unit 30 is located at the clamping position. With the sliding unit 30 in the disassembled position, the protrusion 31 pushes the movable end 15 towards the inside of the first pipe 40, thereby bringing the locking structure 11 to be able to disengage the locking connection with the second pipe 20. When the pipe fitting needs to be replaced, the sliding unit 30 is pushed by one hand to slide towards the direction of the second end 45 far away from the first pipe fitting 40, the protrusion 31 pushes the movable end 15 to enable the movable end 15 to move towards the inside of the first pipe fitting 40, and therefore the locking structure 11 is driven to be connected with the second pipe fitting 20 in a locking mode, and the second pipe fitting 20 is released. Realizes the replacement by one hand, and has simple structure, convenient disassembly and convenient use.

The inner side of the sliding unit 30 is further provided with a clamping groove 32 extending along the sliding direction of the sliding unit 30, and the outer side of the wire holder 80 is provided with a clamping block 81 slidably mounted in the clamping groove 32, so that the sliding unit 30 can slide along the predetermined direction, the sliding unit 30 is prevented from rotating along the circumferential direction of the first pipe fitting 40, and the stability and reliability of the buckling mechanism are ensured.

Preferably, a third return means 70 is further provided between the sliding unit 30 and the first tubular member 40, the third return means 70 being capable of biasing the sliding unit 30 towards the blocking position. The movable end 15 of the connecting member 10 is provided with an inclined chute 12 which is matched with the protrusion 31, a second resetting device 60 is arranged between the inclined chute 12 and the protrusion 31, and the second resetting device 60 can bias the protrusion towards the inclined chute 12. A first return means 50 is also provided between the movable end 15 and the first tubular member 40, the first return means 50 being capable of biasing the movable end 15 in a direction pushing the movable end 15 away from the first tubular member 40. When the locking structure 11 is separated from the locking connection with the second pipe 20, the sliding unit 30 is driven by the third resetting device 70 to slide toward the second end 45, the first resetting device 50 pushes the movable end 15 away from the first pipe 40, and the second resetting device 60 drives the protrusion 31 to reset into the inclined chute 12. Through the cooperation of the first resetting device 50, the second resetting device 60 and the third resetting device 70, the sliding unit 30 and the movable end 15 automatically reset to the clamping position, so that the automatic resetting is realized, the structure is simple, and the installation is convenient.

The first restoring means 50 is preferably a first compression spring and the third restoring means 70 is preferably a second compression spring. The second return means 60 is preferably a first tension spring. When the sliding unit 30 is located at the clamping position, the first compression spring is in a compressed state, and both the first tension spring and the second compression spring are in a free state. When the sliding unit 30 is located at the detaching position, the first compression spring is still in a compressed state, the first tension spring is in a stretched state, and the second compression spring is in a compressed state.

Further, the outer peripheral wall of the first pipe member 40 is provided with a groove 41, and the connector 10 is placed in the groove 41. The fixed end of the connecting member 10 is provided with a rotating shaft 13, and the extending direction of the rotating shaft 13 is perpendicular to the extending direction of the first pipe 40. Correspondingly, a shaft seat 42 is disposed in the recess 41, the shaft 13 is rotatably connected to the shaft seat 42, so that the connecting member 10 can rotate around the shaft 13, and the movable end 15 moves between a position far away from the first pipe 40 and a position close to the first pipe 40. Preferably, a guide rail 43 is further provided in the groove 41, the movable end 15 of the connecting member 10 is provided with a guide groove 14 engaged with the guide rail 43, and the guide rail 43 is at least partially disposed in the guide groove 14 for guiding the moving direction of the movable end 15.

In this embodiment, the connecting member 10 preferably has a wedge-shaped structure, and specifically, the thick end is a fixed end 16, and the thin end is a movable end 15, so as to space the movable end 15 and the groove 41 of the first pipe 40, so that the movable end 15 can be close to or far away from the inside of the first pipe 40.

Further, be provided with on the second pipe fitting 20 with locking structure 11 cooperation be connected locating hole 21, locking structure 11 specifically is wedge cylinder structure. The end face of the wedge-shaped cylindrical structure facing away from the first pipe 40 is formed as a guiding inclined plane cooperating with the inner wall of the second pipe 20, the outer circumferential surface of the wedge-shaped cylindrical structure cooperates with the inner circumferential surface of the positioning hole 21, and at least part of the wedge-shaped cylindrical structure is located in the positioning hole 21 in case the locking structure is in locking connection with the third end 23. When the second pipe fitting 20 is connected, the inner wall of the second pipe fitting 20 axially abuts against the guiding inclined surface of the wedge-shaped cylinder, the movable end 15 moves towards the inside of the first pipe fitting 40, when the positioning hole 21 is reached, the first resetting device 50 pushes the movable end 15 away from the first pipe fitting 40, so that the wedge-shaped cylinder is at least partially placed in the positioning hole 21, and the connecting piece 10 is connected with the second pipe fitting 20 in a locking manner. Need not to press locking structure 11, only need the one hand with the third end 23 suit of second pipe fitting 20 at the second end 45 of first pipe fitting 40 to promote second pipe fitting 20 along first pipe fitting 40 axial displacement, can realize that the locking of first pipe fitting 40 and second pipe fitting 20 is connected, operation process convenient and fast.

Further, referring to fig. 5, the first end portion 46 of the first pipe 40 in the present embodiment is further provided with a guide slide table 44, and correspondingly, the slide unit 30 is sleeved on the outer periphery of the first pipe 40 through the guide slide table 44, and the guide slide table 44 can guide the slide unit 30 so that the slide unit can move in the axial direction of the first pipe 40.

Further, the wire holder 80 and the guide sliding table 44 in this embodiment are disposed at an interval along the extending direction of the first pipe 40, and the wire holder 80 is fixedly mounted near the second end 46 of the first pipe 40 and disposed at an interval along the extending direction of the first pipe 40 with the guide sliding table 44. The wire holder 80 and the guide sliding table 44 guide the axial movement of the sliding unit 30 at the same time, and have a simple structure and are convenient to install. The wire holder 80 can be fixedly disposed on the first tube 40 by any suitable method, for example, the wire holder 80 is integrally formed with the first tube 40. In the illustrated embodiment of the present invention, the wire holder 80 is fixedly mounted to the first pipe 40 by a screw connection.

The concrete working process of the pipe fitting connecting structure is as follows:

the installation process comprises the following steps: the third end 23 of the second tubular element 20 is aligned with the second end 45 of the first tubular element 40, and then the second tubular element 20 is pushed towards the first end 46 of the first tubular element 40, the inner wall of the second tubular element 20 pushing against the locking structure 11, so that the movable end 15 of the coupling 10 moves towards the inside of the first tubular element 40. When the locking structure 11 moves to a position aligned with the positioning hole 21, the first resetting device 50 pushes the movable end 15 away from the first pipe element 40, and the locking structure 11 is driven by the movable end 15 to be clamped into the positioning hole 21, so as to realize locking connection of the first pipe element 40 and the second pipe element 20.

The disassembling process comprises the following steps: in the process of sliding the sliding unit 30 to the detaching position, the protrusion 31 pushes the movable end 15 of the connecting member 10 to move toward the inside of the first pipe fitting 40, so that the locking structure 11 is driven by the movable end 15 to disengage from the positioning hole 21, and then the sliding unit 30 is pushed continuously along the direction of pushing the sliding unit 30 to slide to the detaching position, so that the second pipe fitting 20 can be pulled out, and the first pipe fitting 40 and the second pipe fitting 20 can be disengaged. After the external force is removed, the sliding unit 30 and the movable end 15 of the link 10 are reset to the initial positions by the first, second and third reset means 50, 60 and 70.

The first pipe fitting 40 and the second pipe fitting 20 can be assembled and disassembled by one hand, and the operation is simple and rapid.

Example one

Referring to fig. 7, a first embodiment of the present invention provides a handheld vacuum cleaner, which includes a motor assembly a, a vacuum cleaner brush head B, and the vacuum cleaner pipe connection structure. Wherein the motor assembly a is secured to the fourth end 22 of the second tubular member 20 and the cleaner head B is secured to the first end 46 of the first tubular member 20. In the illustrated embodiment, the motor assembly a and the second pipe member 20 are formed as one body, the cleaner head B and the first pipe member 40 are formed as one body, and the guide slide 44 is provided at a connection position of the first pipe member 40 and the cleaner head B. The second end 45 of the first tube 40 and the third end 23 of the second tube 20 are removably connected by a snap-fit mechanism.

Referring to fig. 4, the connection side of the sliding unit 30 and the brush head B of the vacuum cleaner in the handheld vacuum cleaner in this embodiment is a tubular structure that can be smoothly transited to the brush head B of the vacuum cleaner, and the joint is elegant in appearance.

Example two

Referring to fig. 8, a second embodiment of the present invention provides a handheld vacuum cleaner, which includes a motor assembly a, a vacuum cleaner brush head B, and the vacuum cleaner pipe connection structure. Wherein the first end 46 of the first tube 40 is connected to the cleaner head B by a universal joint 47 and the fourth end 22 of the second tube 20 is connected to the motor assembly a by an additional snap mechanism similar to the snap mechanism between the second end 45 and the third end 23.

Specifically, the first end 46 of the first tube 40 is a universal joint 47, and the cleaner head B is rotatably connected to the universal joint 47. The motor assembly a is mounted on the fourth end 22 of the second pipe 20, and the second end 45 of the first pipe 40 is detachably connected with the third end 23 of the second pipe 20 through a snap-fit mechanism. Correspondingly, the structure of the sliding unit 30 is also different, and the sliding unit 30 is a stepped cylinder including a first cylinder 301 and a second cylinder 302 penetrating and coaxial. The diameter of the second cylinder 302 is greater than that of the first cylinder 301, the guide sliding table 44 is provided at a connection position of the first pipe 40 and the universal joint 47, the second cylinder 302 is sleeved on the guide sliding table 44, the protrusion 31 is provided on the inner wall of the first cylinder 301, and the first cylinder 301 is sleeved on the first pipe 40. When the brush head B and the second pipe 20 of the dust collector need to be detached, a user slides the sliding unit 30 towards the brush head B of the dust collector, the protrusion 31 pushes the movable end 15 towards the inside of the first pipe 40, and the locking structure is driven to be separated from the locking connection with the second pipe 20. The first tube member 40 and the second tube member 20 are disengaged. The disassembly operation can be carried out by one hand, so that the brush head B of the dust collector can be replaced by one hand, the structure is simple, and the operation is convenient.

The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical field of the present invention in the technical scope disclosed by the present invention, according to the technical solution of the present invention and the utility model, the concept of the present invention is equivalent to replace or change, and all covered in the protection scope of the present invention.

Claims (10)

1. A pipe connecting structure of a vacuum cleaner, comprising:

a first pipe member (40), the first pipe member (40) extending between a first end portion (46) and a second end portion (45), the first pipe member (40) having a wire holder (80) fixedly disposed thereon;

a second tubular member (20), said second tubular member (20) extending between a third end portion (23) and a fourth end portion (22), said third end portion (23) being removably mounted to said second end portion (45) by a snap-fit mechanism;

the snap mechanism comprises a sliding unit (30) and a connecting piece (10);

the connecting piece (10) is arranged on the peripheral wall of the first pipe fitting (40), the connecting piece (10) is provided with a movable end (15) close to the first end part (46) and a fixed end (16) far away from the first end part (46), a locking structure (11) capable of being in locking connection with the third end part (23) is arranged at the fixed end (16),

the outside of first pipe fitting (40) is located to slip unit (30) cover, the inboard of slip unit (30) still is provided with along draw-in groove (32) that the slip direction of slip unit (30) extends, the outside of connection terminal (80) is provided with slidable mounting in draw-in groove (32) fixture block (81), expansion end (15) are located between the periphery wall of slip unit (30) and first pipe fitting (40), just slip unit (30) inner wall have with the arch (31) that expansion end (15) contradict, slip unit (30) can be followed the extending direction of first pipe fitting (40) slides in order to switch between joint position and dismantlement position, wherein,

the locking structure (11) can be connected with the third end part (23) in a locking way under the condition that the sliding unit (30) is located at the clamping position;

when the sliding unit (30) is in the removal position, the projection (31) pushes the movable end (15) towards the inside of the first tube (40), thereby bringing the locking structure (11) out of locking connection with the third end (23).

2. The vacuum cleaner pipe connection structure according to claim 1, wherein a third returning means (70) for biasing the sliding unit (30) toward the catching position is provided between the sliding unit (30) and the first pipe (40);

a slope sliding groove (12) matched with the bulge (31) is arranged on the movable end (15) of the connecting piece (10), and a second resetting device (60) which biases the bulge (31) towards the interior of the slope sliding groove (12) is arranged between the slope sliding groove (12) and the bulge (31);

a first return means (50) is further arranged between the movable end (15) and the first tube member (40), the first return means (50) biasing the movable end (15) towards a direction pushing the movable end (15) away from the first tube member (40).

3. The pipe connecting structure of the dust collector as claimed in claim 1, wherein the second pipe (20) is provided with a positioning hole (21) which is matched and connected with the locking structure (11), and the locking structure (11) is a wedge-shaped cylindrical structure;

the end face of the wedge-shaped cylindrical structure, which is far away from the first pipe fitting (40), is formed into a guide inclined plane matched with the inner wall of the second pipe fitting (20), the outer peripheral surface of the wedge-shaped cylindrical structure is matched with the inner peripheral surface of the positioning hole (21),

under the condition that the locking structure (11) is in locking connection with the third end (23), at least part of the wedge-shaped cylindrical structure is positioned in the positioning hole (21).

4. The pipe connection structure according to claim 1, wherein the first pipe (40) is provided at its outer periphery with a groove (41), and at least a part of the connector (10) is placed in the groove (41);

the fixed end (16) is further provided with a rotating shaft (13), and the extending direction of the rotating shaft (13) is perpendicular to the extending direction of the first pipe fitting (40);

a shaft seat (42) matched with the rotating shaft (13) is further arranged in the groove (41), and the rotating shaft (13) is rotatably connected in the shaft seat (42).

5. The pipe connecting structure of the dust collector as claimed in claim 4, wherein a guide rail (43) is arranged in the groove (41), and a guide groove (14) matched with the guide rail (43) is arranged on the connecting piece (10);

the guide rail (43) is arranged in the guide groove (14) and used for limiting the movable end (15) of the connecting piece (10) to move along the guide groove (14).

6. The pipe fitting connection structure of the dust collector as claimed in claim 2, wherein the first return means (50) is a first compression spring, the third return means (70) is a second compression spring, and the second return means (60) is a first tension spring;

under the condition that the sliding unit (30) is located at the clamping position, the first pressure spring is in a compressed state, and the first tension spring and the second pressure spring are both in a free state;

under the condition that the sliding unit (30) is located at the dismounting position, the first pressure spring is in a compression state, the first tension spring is in a stretching state, and the second pressure spring is in a compression state.

7. The vacuum cleaner pipe connection according to claim 1, wherein a guide ramp (44) is further provided on the first end portion (46) of the first pipe (40);

the sliding unit (30) is sleeved on the first pipe fitting (40) through the guide sliding table (44), and the guide sliding table (44) can guide the sliding unit (30) so that the sliding unit (30) can move axially along the first pipe fitting (40).

8. The vacuum cleaner pipe connection structure according to claim 7, wherein the wire holder (80) is fixedly mounted to the first pipe member (40) by a screw connection,

and the wire holder (80) and the guide sliding table (44) are arranged at intervals along the extension direction of the first pipe fitting (40).

9. The pipe connection structure of claim 1, wherein the connecting member (10) is a wedge-shaped structure, the thick end of the wedge-shaped structure is the fixed end (16), and the thin end is the movable end (15).

10. A hand-held cleaner comprising a cleaner brush head (B), a motor assembly (a) and a cleaner tube connection according to any one of claims 1-9;

the dust collector brush head (B) is connected to the first end portion (46) of the first pipe fitting (40), the motor assembly (A) is connected to the fourth end portion (22) of the second pipe fitting (20), and the second end portion (45) of the first pipe fitting (40) and the third end portion (23) of the second pipe fitting (20) are detachably connected through the buckling mechanism.

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