CN107233050B - Connecting assembly for dust collector and dust collector - Google Patents
Connecting assembly for dust collector and dust collector Download PDFInfo
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- CN107233050B CN107233050B CN201710671731.2A CN201710671731A CN107233050B CN 107233050 B CN107233050 B CN 107233050B CN 201710671731 A CN201710671731 A CN 201710671731A CN 107233050 B CN107233050 B CN 107233050B
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- joint
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- vacuum cleaner
- pressing
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/242—Hose or pipe couplings
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
A connecting assembly for a dust collector comprises a first connector, a second connector and a locking piece arranged on the first connector, wherein the first connector is provided with a second hook part used for locking the second connector, the second connector is provided with a sliding groove, the second hook part can move along the sliding groove in the butt joint process of the first connector and the second connector, the first connector and the second connector can rotate relative to the second connector after being assembled together to enable the second hook part and the sliding groove to be staggered, the locking piece comprises a first hook part which can be tilted to unlock the first connector and the second connector, and when the first connector and the second connector are assembled together and then rotate to any position relative to the second connector, at least one of the first hook part and the second hook part is in a state of locking the second connector. Due to the design, the second hook part is prevented from being damaged due to large deformation pressure, and the assembly resistance is reduced; the connectors can rotate freely in the rotating range, but the lock catches between the connectors are not invalid.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a hose connecting assembly.
[ background of the invention ]
The dust collector is generally provided with a connecting component for connecting a dust collection hose component, a dust collection port of the dust collector and the like, and the existing connecting component is inconvenient to assemble; the joint cannot rotate relatively or rotate to a specific angle, which can result in the failure of the lock.
[ summary of the invention ]
The invention aims to solve the problem of providing a dust collector which improves the assembly between joints and can rotate relatively between the joints without failure of a lock catch.
In order to solve the technical problem, the invention adopts the following technical scheme: the utility model provides a coupling assembling that dust catcher was used, includes first joint, second joint, locates the hasp spare on the first joint, and the first joint is equipped with the second that is used for hasp second joint and colludes the portion, and the second joint is equipped with the spout, and the second that the first joint and second joint butt joint in-process colludes the portion and can move along the spout, the first joint can rotate and make second collude portion and spout stagger mutually for the second joint after the assembly together with the second joint, and the hasp spare includes can perk in order to connect the first portion of colluding of unblock with the second, when the first joint rotates arbitrary position for the second joint after the assembly together with the second joint, at least first portion of colluding, second collude one of portion and be in the state that connects the hasp with the second.
Due to the design, the second hook part is assembled along the sliding groove, the deformation pressure of the second hook part is reduced during assembly, the second hook part is prevented from being damaged due to large deformation pressure during assembly, the first hook part can be in a tilting state, friction and collision between the first hook part and the second joint are avoided or reduced during assembly, and the assembly resistance is reduced; after the first joint and the second joint are assembled together, the first joint and the second joint still keep locking the second joint when rotating to any position relative to the second joint, the locking effect is not invalid due to the change of the relative position after the first joint and the second joint rotate relatively, the locking failure after the first joint and the second joint rotate relatively to a certain position or angle is avoided, and the joint rotates randomly in a rotating range but the locking between the joints is not invalid.
Preferably, after the first joint and the second joint are assembled together, when the first hook portion and the second hook portion are respectively staggered with the sliding groove, the first hook portion and the second hook portion are respectively in a state of locking the second joint.
Preferably, the second joint is provided with an annular groove which surrounds the axis of the second joint and is communicated with the sliding groove, the second hook part can move along the sliding groove and gradually approaches to the annular groove in the butt joint process of the first joint and the second joint, the first hook part and the second hook part can rotate relative to the second joint along the annular groove along the first joint, the first hook part hooks the second joint through at least part of the first hook part being located in the annular groove to realize the locking of the second joint, and the second hook part hooks the second joint through at least part of the second hook part being located in the annular groove to realize the locking of the second joint.
Preferably, the first hook part and the second hook part can respectively turn into the annular groove from the connecting part of the chute and the annular groove anticlockwise to lock the second connector, and the first hook part and the second hook part can also respectively turn into the annular groove from the connecting part of the chute and the annular groove clockwise to lock the second connector.
Preferably, the sliding groove is concavely arranged on the outer surface of the second joint, the extending direction of the sliding groove is parallel to the axis of the second joint, and the annular groove is concavely arranged on the outer surface of the second joint.
Preferably, after the first joint and the second joint are assembled together, at least a first position and a second position relative to the second joint are provided, when the first joint is at the first position, the first hook part is at least partially located in the annular groove to lock the second joint, and the second hook part is over against the sliding groove, so that the second joint is not locked, and when the first joint is at the second position, the second hook part is at least partially located in the annular groove to lock the second joint, and the first hook part is over against the sliding groove, so that the second joint is not locked.
Preferably, the first joint and the second joint are assembled together and then at least have a first position and a second position relative to the second joint, when the first joint is at the first position, the first hook part locks the second joint and the second hook part is over against the sliding groove in the first direction so as not to lock the second joint, when the first joint is at the second position, the second hook part locks the second joint and the first hook part is over against the sliding groove in the first direction so as not to lock the second joint, and the first direction is parallel to the axis of the second joint.
Preferably, the first joint and the second joint can rotate 360 degrees relative to the second joint after being assembled together.
Preferably, the locking member is movably connected to the first joint, one of the locking member and the first joint is provided with a rotating shaft, the other of the locking member and the first joint is provided with a rotating shaft hole for assembling the rotating shaft, the locking member is integrally provided with an extending portion and a pressing portion, the first hook portion extends from the extending portion, and the pressing portion is pressed to enable the locking member to deflect so as to drive the extending portion and the first hook portion to tilt.
Preferably, the pressing portion and the extending portion are located on two opposite sides of the rotating shaft, the pressing portion and the extending portion are located on the outer side of the first connector, and the pressing portion is farther from the first connector relative to the extending portion.
Preferably, the latch member further integrally comprises a resilient arm located at an inner side of the pressing portion, the first joint integrally comprises a protruding supporting body, the supporting body is provided with an inclined surface, the pressing portion is pressed to enable the resilient arm to be elastically deformed between the pressing portion and the inclined surface of the supporting body, and the pressing portion is released from being pushed to be reset by the resilient arm after being pressed.
Preferably, the pressing portion is pressed to enable the free end of the elastic arm to slide along the inclined surface of the support body in the direction close to the axis of the first joint, and the support body can stop the pressing portion to inhibit the pressing portion from being further pressed.
Preferably, the first joint is integrally provided with a protruding U-shaped rib position, the support body is integrally connected to the U-shaped rib position and located in the U-shaped rib position, and the lock catch piece is assembled at the U-shaped rib position.
Preferably, the connecting assembly further includes a spring located inside the pressing portion, and the pressing portion is pressed to deform the spring between the pressing portion and the first connector, so that the spring pushes the pressing portion to return after the pressing portion is released from being pressed.
Preferably, the lock catch piece is further integrally provided with a first positioning protrusion positioned on the inner side of the pressing portion, the first joint is further provided with a second positioning protrusion opposite to the first positioning protrusion at an interval, the spring is sleeved on the first positioning protrusion and the second positioning protrusion, and the first positioning protrusion can stop the second positioning protrusion to inhibit the pressing portion from being further pressed.
Preferably, the first joint comprises a first end and a second end which are opposite, the first end of the first joint is provided with a notch, the first hook part is accommodated in the notch under the state that the first joint is separated from the second joint, the locking fastener does not exceed the first end of the first joint in the second direction, and the second direction is parallel to the axis of the first joint.
Preferably, the second hook portion is disposed at the first end of the first joint, the first hook portion and the second hook portion are opposite in the radial direction of the first joint, and the second hook portion and the notch are opposite in the radial direction of the first joint.
Preferably, the first joint is integrally provided with a convex U-shaped rib position, the U-shaped rib position is enclosed to form an accommodating space, the rotating shaft is arranged at the U-shaped rib position or the rotating shaft hole is arranged at the U-shaped rib position, the locking part is assembled at the U-shaped rib position and further comprises a connecting part, the pressing part, the connecting part, the extending part and the first hook part form a ladder shape, the connecting part comprises an upper end and a lower end located between the first joint and the upper end of the connecting part, the pressing part extends from the upper end of the connecting part to the rear side of the connecting part, the extending part extends from the lower end of the connecting part to the front side of the connecting part, the pressing part and the connecting part are respectively and at least partially accommodated in the accommodating space, the lower surface of the pressing part and the rear surface of the connecting part are respectively accommodated in the accommodating space, the extending part is attached to or extends forwards from the lower end of the connecting part to the outer surface of the first joint, and the first hook part is bent from the front end of the extending part and extends into a notch formed in the first joint.
Preferably, the locking fastener further comprises two opposite side plates, the rotating shaft is arranged on the side plates, the rotating shaft hole is formed in the U-shaped rib position, or the rotating shaft hole is formed in the side plates, the rotating shaft is formed in the U-shaped rib position, the side plates are contained in the containing space, the top edges of the side plates are integrally connected with the pressing part, and the back edges of the side plates are integrally connected with the connecting part.
The invention also provides a dust collector which comprises the connecting assembly.
Preferably, the dust collector further comprises a dust barrel, a machine head arranged on the dust barrel, a dirty air inlet arranged on the dust barrel or the machine head, and a hose, and the connecting assembly is used for being connected between the dirty air inlet and the hose.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a perspective view of a vacuum cleaner of the present invention;
FIG. 2 is an angled perspective view of the vacuum cleaner attachment assembly of the present invention;
FIG. 3 is a perspective view of the vacuum cleaner attachment assembly of the present invention from another angle;
FIG. 4 is a further perspective view of the vacuum cleaner attachment assembly of the present invention;
FIG. 5 is an axial cross-sectional view of the vacuum cleaner attachment assembly of the present invention with the hose assembled;
FIG. 6 is an angled perspective view of another embodiment of a vacuum cleaner attachment assembly of the present invention;
FIG. 7 is a perspective view of another embodiment of a vacuum cleaner attachment assembly of the present invention from another angle;
FIG. 8 is a further perspective view of an alternative embodiment of a vacuum cleaner attachment assembly of the present invention;
figure 9 is an axial cross-sectional view of another embodiment of a vacuum cleaner attachment assembly of the present invention, with a hose assembled.
[ detailed description ] A
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all of them. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Referring to fig. 1 to 9, the vacuum cleaner includes a dust barrel 1, a head 2, a filter (not shown) mounted on the head 2, a plurality of casters 90 disposed at the bottom of the dust barrel 1, a handle 20 disposed on the head 2, a buckle 91 for locking the head 2 and the dust barrel 1 together, a dirty air inlet 10 disposed on the dust barrel 1 or the head 2, an exhaust port 22 disposed on the head 2, a hose 92, a suction head (not shown, such as a floor brush or a flat suction head), and a coupling assembly for coupling between the dirty air inlet 10 and the hose 92.
The head 2 is attached to the dust bucket 1 and includes a motor (not shown) and an impeller (not shown). A filter device, typically cylindrical, is housed within the dirt cup 1 and is in fluid communication between the dirty air inlet 10 and the impeller for filtering dirt and dust. When the dust collector works, the motor drives the impeller to generate negative pressure, so that dirty air mixed with dust flows into the dust barrel 1 from the dirty air inlet 10, flows into the machine head 2 after being filtered by the filtering device, and is discharged out of the dust collector through the exhaust port 22.
The connecting assembly comprises a first connector 3, a second connector 4 and a locking piece 5, wherein the locking piece 5 is arranged on the first connector 3, the first connector 3 is connected with the dirty air inlet 10, and the second connector 4 is connected with the hose 92. When the dust collector works, the motor drives the impeller to generate negative pressure, so that dirty air mixed with dust and garbage enters the dust barrel 1 or the machine head 2 through the suction head, the hose 92, the connecting assembly and the dirty air inlet 10, and clean air is formed after being filtered by the filtering device and is discharged through the exhaust port 22 of the machine head 2.
The lock catch piece 5 comprises a first hook part 50 for locking the second connector 4, the first hook part 50 can tilt to unlock with the second connector 4, the first connector 3 and the second connector 4 can rotate relative to the second connector 4 after being assembled together, the first connector 3 is provided with a second hook part 30 for locking the second connector 4, the second connector 4 is provided with a sliding groove 40, the second hook part 30 can move along the sliding groove 40 in the butt joint process of the first connector 3 and the second connector 4, when the first connector 3 and the second connector 4 are assembled together, the second hook part 30 can rotate relative to the second connector 4 to enable the second hook part 30 and the sliding groove 40 to be staggered, when the first connector 3 and the second connector 4 are assembled together and rotate to any position relative to the second connector 4, at least one of the first hook part 50 and the second hook part 30 is in a lock state of the second connector 4, the design is that the second hook part 30 is assembled along the sliding groove 40, the pressure of the second hook part 30 is reduced during assembly, the second hook part 30 is prevented from being in a large pressure or damage during assembly, and the second hook part is prevented from being damaged during assembly, and the friction resistance is reduced; when the first connector 3 and the second connector 4 are assembled together and then rotate to any position relative to the second connector 4 (which means that the first connector 3 can rotate to any position relative to the second connector 4, and the rotation range of the first connector 3 relative to the second connector 4 is within the range), the second connector 4 still can be locked, the locking effect is not failed due to the change of the relative position after the first connector 3 and the second connector 4 rotate relative to each other, and the locking failure caused by the relative rotation of the first connector 3 and the second connector 4 to any position is avoided. After the first joint 3 and the second joint 4 are assembled together, when the first hook part 50 and the second hook part 30 are respectively in a staggered state with the sliding groove 40, the first hook part 50 and the second hook part 30 are respectively in a state of locking the second joint 4, so that the state of locking the second joint 4 by the two hook parts can be achieved as long as the first joint 3 rotates relative to the second joint 4 to enable the first hook part 50 and the second hook part 30 to be staggered with the sliding groove 40, and when the first joint 3 is in butt joint with the second joint 4, the second hook part 30 rotates along the sliding groove 40 to be in place and then rotates one of the joints for a certain angle to achieve simultaneous locking of the two hook parts of the second joint 4.
The first joint 3 and the second joint 4 are nested, the axis A of the first joint 3 is overlapped with the axis B of the second joint 4, the second joint 4 is provided with an annular groove 41, the annular groove 41 surrounds the axis A, the annular groove 41 is communicated with the sliding groove 40, the second hook part 30 can move along the sliding groove 40 and gradually approaches to the annular groove 41 in the butt joint process of the first joint 3 and the second joint 4, the first hook part 50 and the second hook part 30 can rotate relative to the second joint 4 along the annular groove 41 along the first joint 3, the first hook part 50 hooks the second joint 4 through at least part of the first hook part being positioned in the annular groove 41 to realize locking of the second joint 4, and the second hook part 30 hooks the second joint 4 through at least part of the second hook part being positioned in the annular groove 41 to realize locking of the second joint 4. The first hook portion 50 and the second hook portion 30 can be respectively rotated into the annular groove 41 from the connecting position of the sliding groove 40 and the annular groove 41 counterclockwise to lock the second joint 4, and the first hook portion 50 and the second hook portion 30 can also be respectively rotated into the annular groove 41 from the connecting position of the sliding groove 40 and the annular groove 41 clockwise to lock the second joint 4. The sliding groove 40 is concavely arranged on the outer surface of the second joint 4, the extending direction of the sliding groove 40 is parallel to the axis B of the second joint 4, and the annular groove 41 is concavely arranged on the outer surface of the second joint 4.
The first joint 3 and the second joint 4 are assembled together and then at least have a first position and a second position relative to the second joint 4, when the first joint 3 is at the first position, the first hook part 50 is at least partially positioned in the annular groove 41 to lock the second joint 4, the second hook part 30 is opposite to the sliding groove 40, so that the second joint 4 is not locked, and when the first joint 3 is at the second position, the second hook part 30 is at least partially positioned in the annular groove 41 to lock the second joint 4, and the first hook part 50 is opposite to the sliding groove 40, so that the second joint 4 is not locked. When the first connector 3 is at the first position, the first hook portion 50 locks the second connector 4, and the second hook portion 30 faces the sliding groove 40 in the first direction, so that the second connector 4 is not locked, and when the first connector 3 is at the second position, the second hook portion 30 locks the second connector 4, and the first hook portion 50 faces the sliding groove 40 in the first direction, so that the second connector 4 is not locked, and the first direction is parallel to the axis B of the second connector 4. The first joint 3 and the second joint 4 can rotate 360 degrees relative to the second joint 4 after being assembled together.
The locking element 5 is movably connected to the first joint 3, one of the locking element 5 and the first joint 3 is provided with a rotating shaft 51, the other one is provided with a rotating shaft hole 52 for assembling the rotating shaft 51, the locking element 5 is integrally provided with an extending part 53 and a pressing part 54, the first hook part 50 extends out from the extending part 53, the pressing part 54 can enable the locking element 5 to deflect, and the locking element 5 deflects to drive the extending part 53 and the first hook part 50 to tilt. Pressing portion 54 has a cantilever shape or a plate shape suitable for pressing. The pressing portion 54 is pressed to tilt the first hook 50 and disengage from the annular groove 41, so as to release the locking of the first hook 50 to the second connector 4. Pressing portion 54 and extending portion 53 are located on opposite sides of rotating shaft 51, pressing portion 54 and extending portion 53 are located on the outer side of first connector 3, and pressing portion 54 is located farther from first connector 3 than extending portion 53, so that a sufficient pressed space of pressing portion 54 can be provided. The latch 5 further has an elastic arm 55 located inside the pressing portion 54, the first connector 3 has a protruding supporting body 31, the supporting body 31 has a slope 310, the pressing portion 54 can elastically deform the elastic arm 55 between the pressing portion 54 and the slope 310 of the supporting body 31, and the elastic arm 55 pushes the pressing portion 54 and the extending portion 53 to return after the pressing portion 54 is released. Spring arm 55 extends integrally from pressing portion 54. Pressing portion 54 can make the free end of elastic arm 55 slide along inclined surface 310 of supporting body 31 toward axis a of first connector 3, and supporting body 31 can stop pressing portion 54 to inhibit pressing portion 54 from being further pressed, which is beneficial to preventing pressing portion 54 from being excessively pressed and deformed and damaged. First joint 3 an organic whole is equipped with convex U-shaped muscle position 32, and supporter 31 an organic whole is connected in U-shaped muscle position 32 and is located U-shaped muscle position 32, and lock catch spare 5 assembles in U-shaped muscle position 32, so design, and U-shaped muscle position 32 can strengthen the stability of supporter 31 each other, plays the guard action to supporter 31 simultaneously, and U-shaped muscle position 32 is seted up in pivot hole 52.
In fig. 2 to 5, the reset structure adopted by the locking member 5 is the elastic arm 55, and in another embodiment (fig. 6 to 9), the reset structure adopted by the spring 93 is a spring 93, that is, the connecting assembly further includes a spring 93, the spring 93 is located inside the pressing portion 54, pressing the pressing portion 54 can deform the spring 93 between the pressing portion 54 and the first connector 3, and after the pressing portion 54 is released, the spring 93 pushes the pressing portion 54 and the extending portion 53 to reset. The locking member 5 further integrally has a first positioning protrusion 56 located inside the pressing portion 54, the first connector 3 further has a second positioning protrusion 33 spaced from and opposite to the first positioning protrusion 56, the spring 93 is sleeved on the first positioning protrusion 56 and the second positioning protrusion 33, and the first positioning protrusion 56 can stop the second positioning protrusion 33 to prevent the pressing portion 54 from being further pressed.
The first joint 3 includes a first end 34 and a second end 35 opposite to the first end 34, the first end 34 of the first joint 3 is provided with a notch 340, the first hook 50 is partially received in the notch 340 in a state that the first joint 3 is separated from the second joint 4, the locking element 5 does not extend beyond the first end 34 of the first joint 3 in a second direction, and the second direction is parallel to the axis a of the first joint 3. So, the first end 34 of first joint 3 and breach 340 can play the guard action to hasp spare 5, and first portion 50 that colludes is difficult to be collided with, and the first end 34 of first joint 3 contacts to the ground easily earlier when dropping, and the tip that corresponds the first end 34 of first joint 3 of hasp spare 5 also is difficult to hang to. The second hook 30 is disposed at the first end 34 of the first joint 3, the first hook 50 is opposite to the second hook 30 in the radial direction of the first joint 3, and the second hook 30 is opposite to the notch 340 in the radial direction of the first joint 3.
The second joint 4 is further provided with an annular groove 42 and a first convex ring 43 positioned at one end of the second joint abutting against the first joint 3, the first convex ring 43 forms one groove side wall of the annular groove 42, the sliding groove 40 is communicated between the annular groove 41 and the annular groove 42, the first joint 3 is provided with a second convex ring 44, the second convex ring 44 forms one groove side wall of the annular groove 41, and the second convex ring 44 can stop the first end 34 of the first joint 3 so as to show that the first joint 3 and the second joint 4 are inserted in place.
The locking fastener 5 further comprises a connecting portion 58 and two opposite side plates 5757, the first hook portion 50 extends from the extending portion 53, the pressing portion 54 and the extending portion 53 are respectively bent and extended from the connecting portion 58, the rotating shaft 51 is arranged on the side plates 5757 or the rotating shaft hole 52 is arranged on the side plates 5757, one side of each side plate 5757 is integrally connected with the pressing portion 54, the other side of each side plate 5757 is integrally connected with the connecting portion 58, and by the design, when the side plates 5757 are used for arranging the rotating shaft 51 or the rotating shaft hole 52, the connecting stability of the pressing portion 54 and the connecting portion 58 is further enhanced, the pressing portion 54 can still keep an initial angle relative to the connecting portion 58 after being frequently pressed, and the risk of deformation and damage of the pressing portion 54 is reduced. The pressing portion 54, the connecting portion 58, the extending portion 53 and the first hook 50 form a step shape, the connecting portion 58 includes an upper end 580 and a lower end 581 located between the first joint 3 and the upper end 580 of the connecting portion 58, the pressing portion 54 extends from the upper end 580 of the connecting portion 58 to the rear side of the connecting portion 58, the extending portion 53 extends from the lower end 581 of the connecting portion 58 to the front side of the connecting portion 58, the first hook 50 extends downward from the front end of the extending portion 53, and the inner side surface 530 of the extending portion 53 abuts against the outer surface of the first joint 3 in a state where the first joint 3 is separated from the second joint 4. In a state where the first connector 3 is not separated from the second connector 4, the inner side surface 530 of the extension portion 53 abuts against the outer surface of the first connector 3.
The U-shaped rib 32 forms an accommodating space 320, the rotating shaft 51 is disposed at the U-shaped rib 32 or the rotating shaft hole 52 is disposed at the U-shaped rib 32, the locking element 5 is assembled at the U-shaped rib 32, the pressing portion 54 and the connecting portion 58 are at least partially accommodated in the accommodating space 320, the lower surface 540 of the pressing portion 54 and the rear surface 582 of the connecting portion 58 are respectively accommodated in the accommodating space 320, the extending portion 53 extends forward from the lower end of the connecting portion 58 against or close to the outer surface of the first connector 3, and the first hook portion 50 is bent from the front end of the extending portion 53 and extends into the notch 340 formed in the first connector 3. So design, hasp piece 5 forms certain hidden effect on first joint 3, has brought certain guard action for hasp piece 5, presses splenium 54, connecting portion 58, extension 53, first portion 50 of colluding to be difficult to be hung or collide with, and hasp piece 5 is difficult to be damaged by colliding with. The side plate 57 is accommodated in the accommodating space 320, the top edge of the side plate 57 is integrally connected with the pressing part 54, and the rear edge of the side plate 57 is integrally connected with the connecting part 58. For the present invention, the rotating shaft 51 is disposed on the side plate 57 and the rotating shaft hole 52 is disposed on the U-shaped rib position 32, or the rotating shaft hole 52 is disposed on the side plate 57 and the rotating shaft 51 is disposed on the U-shaped rib position 32. The spring arm 55 extends from the lower surface 540; the first positioning projection 56 projects from the lower surface 540.
When assembling, the first joint 3 is inclined relative to the second joint 4, and the second hook part 30 hooks the first convex ring 43; keeping pressing the pressing portion 54 to drive the extending portion 53 and the first hook portion 50 to tilt, the first hook portion 50 passing over the first protruding ring 43; the second hook part 30 is aligned with the sliding groove 40, the pressing part 54 is kept pressed, the first connector 3 and the second connector 4 are oppositely butted, the second hook part 30 moves along the sliding groove 40, and the first end 34 of the first connector 3 is stopped by the second convex ring 44 at the position from the second convex ring 44 to the second convex ring 44, so that the first connector 3 and the second connector 4 are inserted in place; when the pressing portion 54 is no longer pressed, the first hook portion 50 enters the annular groove 41 to lock the second connector 4, and the first connector 3 or the second connector 4 is rotated, so that the second hook portion 30 enters the annular groove 41 and is staggered with the sliding groove 40, and thus the first hook portion 50 and the second hook portion 30 form a double-hook lock for the second connector 4.
In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (21)
1. The utility model provides a coupling assembling that dust catcher was used, includes first joint, second joint, locates the hasp piece on the first joint, its characterized in that: the lock catch piece is movably connected with the first joint and comprises a first hook part which can be tilted to be unlocked with the second joint; the first joint is provided with a second hook part used for locking the second joint, the second joint is provided with a chute, the second joint is also provided with an annular groove which surrounds the axis of the second joint and is communicated with the chute, and the second hook part can move along the chute to gradually approach the annular groove in the butt joint process of the first joint and the second joint; the first joint and the second joint can rotate relative to the second joint after being assembled together, so that the second hook part is staggered with the sliding groove; the first hook part and the second hook part can rotate relative to the second joint along the annular groove along the first joint; when the first joint and the second joint are assembled together and then rotate to any position relative to the second joint, at least one of the first hook part and the second hook part is in a state of locking the second joint; the first hook part hooks the second joint to lock the second joint through at least part of the first hook part is positioned in the annular groove, and the second hook part hooks the second joint through at least part of the second hook part is positioned in the annular groove to lock the second joint.
2. The connecting assembly for a vacuum cleaner according to claim 1, wherein: after the first joint and the second joint are assembled together, when the first hook part and the second hook part are respectively staggered with the sliding groove, the first hook part and the second hook part are respectively in a state of locking the second joint.
3. The connection assembly for a vacuum cleaner according to claim 1, wherein: the first hook part and the second hook part can be respectively rotated into the annular groove from the connecting part of the chute and the annular groove anticlockwise to lock the second connector.
4. A connection assembly for a vacuum cleaner according to claim 3, wherein: the first hook part and the second hook part can also be rotated into the annular groove clockwise from the connecting part of the chute and the annular groove respectively to lock the second joint.
5. The connection assembly for a vacuum cleaner according to claim 1, wherein: the sliding groove is concavely arranged on the outer surface of the second joint, the extending direction of the sliding groove is parallel to the axis of the second joint, and the annular groove is concavely arranged on the outer surface of the second joint.
6. The connecting assembly for a vacuum cleaner according to claim 1, wherein: the first joint and the second joint are assembled together and then at least have a first position and a second position relative to the second joint, when the first joint is at the first position, the first hook part is at least partially positioned in the annular groove to lock the second joint and the second hook part is over against the sliding groove so as not to lock the second joint, when the first joint is at the second position, the second hook part is at least partially positioned in the annular groove to lock the second joint and the first hook part is over against the sliding groove so as not to lock the second joint.
7. The connecting assembly for a vacuum cleaner according to claim 1, wherein: the first joint and the second joint are assembled together and then at least have a first position and a second position relative to the second joint, when the first joint is at the first position, the first hook part locks the second joint and the second hook part is over against the sliding groove in the first direction so as not to lock the second joint, when the first joint is at the second position, the second hook part locks the second joint and the first hook part is over against the sliding groove in the first direction so as not to lock the second joint, and the first direction is parallel to the axis of the second joint.
8. The connecting assembly for a vacuum cleaner according to claim 1, wherein: the first joint and the second joint can rotate 360 degrees relative to the second joint after being assembled together.
9. The connecting assembly for a vacuum cleaner according to claim 1, wherein: one of them pivot of being equipped with of lock catch spare and first joint, lock catch spare and first joint wherein another is equipped with the pivot hole that supplies the pivot assembly, and lock catch spare an organic whole is equipped with extension, presses the splenium, first colludes the portion and extends from the extension, thereby presses and presses the splenium messenger lock catch spare deflection and can drive extension and first colluding the portion perk.
10. The connecting assembly for a vacuum cleaner according to claim 9, wherein: the pressing part and the extending part are located on two opposite sides of the rotating shaft, the pressing part and the extending part are located on the outer side of the first joint, the pressing part is farther away from the first joint relative to the extending part, and the pressing part is pressed to enable the first hook part to be tilted to be separated from the annular groove.
11. The connection assembly for a vacuum cleaner according to claim 9, wherein: the hasp piece still integrative is equipped with and is located pressing the inboard elastic arm of splenium, and first joint an organic whole is equipped with convex supporter, and the supporter is equipped with the inclined plane, presses to press the splenium and can make elastic arm elastic deformation in pressing between splenium and the supporter inclined plane, removes to pressing the splenium after pressing the splenium and pressing the push away that the elastic arm promotes presses the splenium to reset.
12. The connecting assembly for a vacuum cleaner according to claim 11, wherein: the pressing part is pressed to enable the free end of the elastic arm to slide along the inclined surface of the supporting body to the direction close to the axis of the first connector, and the supporting body can stop the pressing part to inhibit the pressing part from being further pressed.
13. The connecting assembly for a vacuum cleaner according to claim 11, wherein: the first connector is integrally provided with a convex U-shaped rib position, the support body is integrally connected with the U-shaped rib position and positioned in the U-shaped rib position, and the lock catch piece is assembled at the U-shaped rib position.
14. The connecting assembly for a vacuum cleaner according to claim 9, wherein: the pressing part is pressed to enable the spring to be deformed between the pressing part and the first connector, and the spring pushes the pressing part to reset after the pressing part is released from pressing.
15. The connection assembly for a vacuum cleaner of claim 14, wherein: the lock catch piece is further integrally provided with a first positioning protrusion located on the inner side of the pressing portion, the first joint is further provided with a second positioning protrusion opposite to the first positioning protrusion in interval, the spring is sleeved on the first positioning protrusion and the second positioning protrusion, and the first positioning protrusion can stop the second positioning protrusion to inhibit the pressing portion from being further pressed.
16. The connecting assembly for a vacuum cleaner according to claim 1, wherein: the first joint comprises a first end and a second end which are opposite, the first end of the first joint is provided with a notch, the first hook part is contained in the notch under the state that the first joint is separated from the second joint, the locking fastener does not exceed the first end of the first joint in the second direction, and the second direction is parallel to the axis of the first joint.
17. A connection assembly for a vacuum cleaner according to claim 16, wherein: the second hook part is arranged at the first end of the first joint, the first hook part and the second hook part are opposite in the radial direction of the first joint, and the second hook part and the notch are opposite in the radial direction of the first joint.
18. The connection assembly for a vacuum cleaner according to claim 9, wherein: the first joint an organic whole is equipped with convex U-shaped muscle position, and accommodating space is enclosed into to U-shaped muscle position, U-shaped muscle position is located in the pivot hole perhaps U-shaped muscle position is located to the pivot hole, and the snap close piece assembles in U-shaped muscle position, and the snap close piece still includes connecting portion, presses the splenium, connecting portion, extension, first portion of colluding constitutes the echelonment, and connecting portion include the upper end, lie in the lower extreme between first joint and the connecting portion upper end, press the splenium to extend to connecting portion rear side from the connecting portion upper end, and the extension is extended to connecting portion front side from the connecting portion lower extreme, presses splenium, connecting portion partially accept respectively in accommodating space at least, press the lower surface of splenium, the rear surface of connecting portion accepts respectively in accommodating space, the extension pastes the surface that leans on or press close to first joint from the connecting portion lower extreme and extends into the breach that the first joint was seted up from the extension front end bending type.
19. The connection assembly for a vacuum cleaner according to claim 18, wherein: the lock catch piece further comprises two opposite side plates, the rotating shaft is arranged on the side plates, the rotating shaft hole is formed in the U-shaped rib position, or the rotating shaft hole is formed in the side plates, the rotating shaft is formed in the U-shaped rib position, the side plates are contained in the containing space, the top edges of the side plates are integrally connected with the pressing portion, and the back edges of the side plates are integrally connected with the connecting portion.
20. A kind of dust collector, characterized by: a connection assembly for a vacuum cleaner comprising a vacuum cleaner according to any one of claims 1 to 19.
21. The vacuum cleaner of claim 20, wherein: the dust collection device is characterized by further comprising a dust barrel, a machine head arranged on the dust barrel, a dirty air inlet arranged on the dust barrel or the machine head and a hose, wherein the connecting assembly is used for being connected between the dirty air inlet and the hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671731.2A CN107233050B (en) | 2017-08-08 | 2017-08-08 | Connecting assembly for dust collector and dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671731.2A CN107233050B (en) | 2017-08-08 | 2017-08-08 | Connecting assembly for dust collector and dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107233050A CN107233050A (en) | 2017-10-10 |
| CN107233050B true CN107233050B (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671731.2A Active CN107233050B (en) | 2017-08-08 | 2017-08-08 | Connecting assembly for dust collector and dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107233050B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108209706B (en) * | 2018-03-26 | 2021-06-04 | 苏州尚腾科技制造有限公司 | Hand-held vacuum cleaner |
| CN111365536A (en) * | 2020-02-26 | 2020-07-03 | 陈弘旋 | Telescopic hose and production process thereof |
| CN114343476B (en) * | 2021-11-24 | 2023-02-17 | 苏州市龙士威金属制品有限公司 | Detachable dust collection pipe joint of hose and using method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2329944A (en) * | 1997-10-03 | 1999-04-07 | Notetry Ltd | A cuff for joining an outer pipe to a telescopic inner pipe |
| CN2312667Y (en) * | 1997-11-28 | 1999-04-07 | 吉孚工业股份有限公司 | Telescopic prolonging tube of dust-collector |
| DE102004038630A1 (en) * | 2004-08-09 | 2006-02-23 | BSH Bosch und Siemens Hausgeräte GmbH | Coupling for connecting a vacuum cleaner hose to a pipe |
| JP4390754B2 (en) * | 2005-08-24 | 2009-12-24 | 三洋電機株式会社 | Electric vacuum cleaner |
| CN101053503A (en) * | 2007-02-15 | 2007-10-17 | 徐为尔 | Telescopic pipe for cleaner |
| DE102010027090B3 (en) * | 2010-07-13 | 2011-11-17 | Roxxan Gmbh | Vacuum cleaner suction pipe, has sealing ring forming sealing bead at front region of sleeve portion, where sealing bead rests at inner surface of pipe and at outer surface of connection component in complete gap-sealing manner |
| DE102010039282A1 (en) * | 2010-08-12 | 2012-02-16 | BSH Bosch und Siemens Hausgeräte GmbH | Connecting piece with locking element |
| CN206183163U (en) * | 2016-08-24 | 2017-05-24 | 苏州市伟克斯电器有限公司 | Block mechanism and dust catcher |
-
2017
- 2017-08-08 CN CN201710671731.2A patent/CN107233050B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107233050A (en) | 2017-10-10 |
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