Surface cleaning head for vacuum cleaner

Abstract

The utility model relates to the technical field of vacuum cleaners, in particular to a surface cleaning head for a vacuum cleaner, which comprises a suction head and a sealing device, a suction pipe is mounted at one end of the suction head, an air pipe is arranged on the upper surface of the suction pipe, a connecting pipe is in threaded connection with the upper surface of the air pipe, and the sealing device is arranged on the surface of the air pipe and comprises a push rod. The push rod is connected with the air pipe in a sliding mode, the surface of the air pipe is fixedly connected with stop levers, clamping grooves are formed in the two sides of the connecting pipe, the stop levers are connected with the clamping grooves in a clamping mode, and the two stop levers are arranged in a mirror symmetry mode. Therefore, air leakage can be effectively prevented, the negative pressure environment in the dust collector is maintained, the stability of suction force is guaranteed, and the cleaning effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vacuum cleaner technical field especially relates to a surface cleaning head for vacuum cleaner. BACKGROUND

[0002] The vacuum cleaner cleaning head is the key component to realize efficient cleaning, is ingenious in design, is various in function, and the common cleaning head is equipped with rotatable rolling brush, can penetrate various surfaces, effectively brushes dust and sundries through high speed rotation, matches strong suction force, inhales it into the vacuum cleaner, and the edge brush can clean the edge corner, expands the cleaning range, provides strong guarantee for creating clean home environment.

[0003] In the prior art, such as the utility model with publication number CN207084766U, the utility model relates to the field of vacuum cleaner, and specifically discloses a cleaning head of vacuum cleaner, which comprises a shell, a roller, an agitator and a rear roller, a dust suction port and the roller are located between the agitator and the rear roller, the bottom of the roller is in contact with the surface to be cleaned, a first distance is arranged between the bottom of the agitator and the surface to be cleaned, a second distance is arranged between the bottom of the rear roller and the surface to be cleaned, and the height of the first distance is 1-3mm higher than that of the second distance.

[0004] However, most of the existing vacuum cleaners are fixed with pipes through threads, which are easy to loosen during use, and air leakage caused by poor sealing destroys the internal negative pressure environment of the vacuum cleaner, a large amount of suction force that should be used for cleaning is lost, dust, hair and other garbage cannot be effectively adsorbed, and the cleaning effect is seriously affected. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art that most of the existing vacuum cleaners are fixed with pipes through threads, which are easy to loosen during use, and air leakage caused by poor sealing destroys the internal negative pressure environment of the vacuum cleaner, a large amount of suction force that should be used for cleaning is lost, dust, hair and other garbage cannot be effectively adsorbed, and the cleaning effect is seriously affected, and proposes a surface cleaning head for vacuum cleaner.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a surface cleaning head for vacuum cleaner, including the suction head and sealing device, one end of the suction head is installed with the suction pipe, the upper surface of the suction pipe is provided with the air pipe, the upper surface of the air pipe is threadedly connected with the connecting pipe, the sealing device is arranged on the surface of the air pipe, the sealing device includes the push rod, the push rod is slidably connected with the air pipe, the surface of the air pipe is fixedly connected with the stop bar, the both sides of the connecting pipe are provided with the clamping groove, the stop bar is clamped with the clamping groove, the stop bar has two, two stop bars are mirror image symmetry and are arranged, through setting sealing device, the connecting pipe is fixed with the air pipe by thread, and the cooperation of stop bar, knob and fender ring etc. parts is used, so that the connecting pipe is difficult to rotate, and good sealing effect is helpful to form, so that air leakage can be effectively prevented, the negative pressure environment in the vacuum cleaner is maintained, thereby guaranteeing the stability of suction, improve the cleaning effect.

[0007] Preferably, the air pipe is provided with a thread on the side close to the stop bar, and a knob is threadedly connected to the surface of the air pipe, so that when the connecting pipe is preliminarily fixed with the air pipe by thread, the knob is rotated to drive the fender ring to move, the fender ring abuts against the stop bar, the rotation of the connecting pipe is further limited, and the sealing effect is enhanced, which effectively prevents air from leaking from the connection between the connecting pipe and the air pipe, maintains the negative pressure in the vacuum cleaner, ensures the stability of suction, and guarantees the cleaning effect.

[0008] Preferably, the surface of the knob is fixedly connected with a fender ring, and the fender ring is sleeved with the stop bar, so that when the connecting pipe is fixed with the air pipe by thread, the knob is rotated to drive the fender ring to move, the fender ring abuts against the stop bar, at this time, the fender ring exerts pressure on the stop bar, thereby limiting the rotation of the connecting pipe, the connecting pipe is fixedly connected, air leakage caused by loosening of the connection can be effectively prevented, the stable negative pressure environment in the vacuum cleaner is maintained, good suction and cleaning effect are guaranteed.

[0009] Preferably, the side of the stop bar is fixedly connected with a pressure spring, and the side, away from the stop bar, of the pressure spring is fixedly connected with the air pipe, so that when the connecting pipe needs to be separated from the air pipe, the knob is rotated to make the fender ring separate from the stop bar, at this time, the pressure spring is released from restraint, rapidly releases the elastic potential energy stored in itself, and generates elastic force to extrude the stop bar to separate from the clamping groove.

[0010] Preferably, the lower surface of the air pipe is provided with an adjusting assembly, the adjusting assembly comprises a sub-pipe, the sub-pipe is fixedly connected with the air pipe, the side of the sub-pipe away from the air pipe is slidably connected with the suction pipe, the lower surface of the air pipe is fixedly connected with a support rod, and the lower surface of the support rod is fixedly connected with a guard ring; by arranging the adjusting assembly, the connecting state of the connecting pipe and the air pipe is adjusted by rotating the knob to drive the guard ring to act; when the knob is rotated to make the guard ring abut against the stop rod, the connecting pipe is fixed and difficult to rotate, and the threaded connection is further enhanced, so that the stability of the connection is further enhanced, the connecting part is prevented from loosening during the working of the dust collector, good sealing performance is ensured, air leakage is avoided, the internal negative pressure environment of the dust collector is maintained, and the dust collection efficiency is improved.

[0011] Preferably, the guard ring is sleeved with the suction pipe, and the surface of the suction pipe is provided with a sliding groove, and the guard ring is slidably connected with the sliding groove.

[0012] Preferably, the support rod has two, the two support rods are arranged in mirror image symmetry, and the guard ring is in interference fit with the sliding groove; by arranging the support rod, when it is necessary to extend the length of the air pipe, the guard ring is pulled, the guard ring extrudes the support rod, the support rod acts as a force transmission medium, the external force applied by the guard ring is transmitted to the sub-pipe, the sub-pipe is driven to slide out, and thus the extension of the length of the air pipe is realized; if the support rod is not arranged, the pulling force of the guard ring cannot be effectively transmitted to the sub-pipe, and it is difficult to conveniently adjust the length of the air pipe.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] In the utility model, when the connecting pipe and the air pipe are fixed by screw threads, the stop rod is pressed against the clamping groove, and the knob is rotated, the knob drives the guard ring to abut against the stop rod, at the moment, the connecting pipe is difficult to rotate, and the sealing is facilitated; the guard ring is separated from the stop rod by rotating the knob, the elastic force of the pressure spring extrudes the stop rod to separate from the clamping groove, and the connecting pipe and the air pipe can be separated; when the length of the air pipe is insufficient during use, the guard ring is pulled, the guard ring extrudes the support rod to drive the sub-pipe to slide out along the length of the long air pipe, and the different working environments are conveniently adapted; by arranging the utility model, the connecting pipe and the air pipe are fixed by screw threads, and the stop rod, the knob and the guard ring and other components are used in cooperation, the connecting pipe is difficult to rotate, the good sealing effect is formed, the air leakage is prevented, the internal negative pressure environment of the dust collector is maintained, the stability of the suction is ensured, and the cleaning effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic diagram of a surface cleaning head for a vacuum cleaner is provided for the utility model;

[0016] Figure 2The utility model provides a sealing device structure schematic drawing for surface cleaning head of vacuum cleaner,

[0017] Figure 3 The utility model provides a sealing device part structure schematic drawing for surface cleaning head of vacuum cleaner,

[0018] Figure 4 The utility model provides a sealing device structure schematic drawing for surface cleaning head of vacuum cleaner, Figure 3 The utility model provides a sealing device structure schematic drawing for surface cleaning head of vacuum cleaner,

[0019] Figure 5 The utility model provides a sealing device structure schematic drawing for surface cleaning head of vacuum cleaner,

[0020] Figure legend: 1, suction head, 2, suction pipe, 3, air pipe, 4, connecting pipe, 5, sealing device, 51, baffle ring, 52, knob, 53, baffle rod, 54, push rod, 55, pressure spring, 56, clamping groove, 6, adjusting assembly, 61, guard ring, 62, support rod, 63, sliding slot, 64, sub pipe. Specific implementation

[0021] Please refer to Figures 1-5 The utility model provides a technical scheme: a kind of surface cleaning head for vacuum cleaner, including suction head 1 and sealing device 5, and one end of suction head 1 is equipped with suction pipe 2, and the upper surface of suction pipe 2 is provided with air pipe 3, and the upper surface of air pipe 3 is threadedly connected with connecting pipe 4, and sealing device 5 is arranged on the surface of air pipe 3.

[0022] In the embodiment: sealing device 5 includes push rod 54, and push rod 54 is slidably connected with air pipe 3, and the surface of air pipe 3 is fixedly connected with baffle rod 53, and the both sides of connecting pipe 4 are provided with clamping groove 56, and baffle rod 53 is clamped with clamping groove 56, and baffle rod 53 has two, and the two baffle rods 53 are mirror-symmetrically arranged, by being provided with sealing device 5, connecting pipe 4 is fixedly screwed with air pipe 3, and the cooperation of baffle rod 53, knob 52 and baffle ring 51 is used, to ensure that connecting pipe 4 is difficult to rotate, which helps to form good sealing effect, so that air leakage can be effectively prevented, the negative pressure environment inside vacuum cleaner is maintained, so as to ensure the stability of suction force and improve cleaning effect.

[0023] Specifically, the side of air pipe 3 close to baffle rod 53 is provided with thread, and the surface of air pipe 3 is threadedly connected with knob 52, by being provided with knob 52, when connecting pipe 4 is preliminarily fixed with air pipe 3 by thread, rotating knob 52 can drive baffle ring 51 to move, baffle ring 51 abuts against baffle rod 53, further limits the rotation of connecting pipe 4, and enhances the sealing effect, which effectively prevents air from leaking from the connecting portion of connecting pipe 4 and air pipe 3, maintains the negative pressure inside vacuum cleaner, ensures the stability of suction force, and guarantees cleaning effect.

[0024] Specifically, the surface of the knob 52 is fixedly connected with a check ring 51, the check ring 51 is sleeved with a check rod 53, by setting the check ring 51, when the connecting pipe 4 is threadedly fixed with the air pipe 3, rotating the knob 52 drives the check ring 51 to move, so that it abuts against the check rod 53, at this time, the check ring 51 exerts pressure on the check rod 53, and further limits the rotation of the connecting pipe 4, the connecting pipe 4 is fixedly immovable, which can effectively prevent the poor sealing caused by the loosening of the connection, reduce the air leakage, maintain the stable negative pressure environment inside the dust collector, and ensure the good suction and cleaning effect.

[0025] Specifically, one side of the check rod 53 is fixedly connected with a pressure spring 55, the side of the pressure spring 55 away from the check rod 53 is fixedly connected with the air pipe 3, by setting the pressure spring 55, when it is needed to separate the connecting pipe 4 from the air pipe 3, rotating the knob 52 makes the check ring 51 disengage from the check rod 53, at this time, the pressure spring 55 loses the restraint, rapidly releases the elastic potential energy stored by itself, and generates the elastic force to extrude the check rod 53 to disengage from the clamping groove 56.

[0026] Specifically, the lower surface of the air pipe 3 is provided with an adjusting assembly 6, the adjusting assembly 6 comprises a secondary pipe 64, the secondary pipe 64 is fixedly connected with the air pipe 3, the side of the secondary pipe 64 away from the air pipe 3 is slidably connected with the suction pipe 2, the lower surface of the air pipe 3 is fixedly connected with a support rod 62, and the lower surface of the support rod 62 is fixedly connected with a guard ring 61.

[0027] In the embodiment, by setting the adjusting assembly 6, rotating the knob 52 drives the check ring 51 to act, the connection state of the connecting pipe 4 and the air pipe 3 is adjusted, when the knob 52 is rotated to make the check ring 51 abut against the check rod 53, the connecting pipe 4 is fixedly immovable, and is cooperated with the threaded connection, which further enhances the stability of the connection, ensures that the connection part will not be loosened when the dust collector works, guarantees the good sealing, avoids the air leakage, maintains the negative pressure environment inside the dust collector, and improves the dust collection efficiency.

[0028] Specifically, the guard ring 61 is sleeved with the suction pipe 2, and the surface of the suction pipe 2 is provided with a sliding groove 63, the guard ring 61 is slidably connected with the sliding groove 63.

[0029] Specifically, the support rod 62 has two, the two support rods 62 are symmetrically arranged, and the guard ring 61 is in interference fit with the sliding groove 63.

[0030] In the embodiment, by setting the support rod 62, when it is needed to lengthen the air pipe 3, the guard ring 61 is pulled, the guard ring 61 extrudes the support rod 62, the support rod 62 acts as a force transmission medium, transmits the external force exerted by the guard ring 61 to the secondary pipe 64, drives the secondary pipe 64 to slide out, and thus the length of the air pipe 3 is extended, if there is no support rod 62, the pulling force of the guard ring 61 cannot be effectively transmitted to the secondary pipe 64, and it is difficult to conveniently adjust the length of the air pipe 3.

[0031] Working principle: through setting sealing device 5 and adjusting assembly 6, when using, after connecting pipe 4 is fixed with air pipe 3 by thread, press stop lever 53 and abut with clamping groove 56, and rotate knob 52, knob 52 drives stop ring 51 and abuts with stop lever 53, at this time, connecting pipe 4 is difficult to rotate, and it is convenient to seal, rotate knob 52 drives stop ring 51 to separate from stop lever 53, and pressure spring 55 loses the bondage and generates elastic force to extrude stop lever 53 to separate from clamping groove 56, namely, connecting pipe 4 can be separated from air pipe 3, and when the length of air pipe 3 is insufficient when using, pull guard ring 61, guard ring 61 extrudes support rod 62 and drives auxiliary pipe 64 to slide out, along the length of long air pipe 3, it is convenient to adapt to different working environment, through setting the utility model, connecting pipe 4 is fixed with air pipe 3 by thread, and the cooperation of stop lever 53, knob 52 and stop ring 51 and other components is used, ensure that connecting pipe 4 is difficult to rotate, and it is helpful to form good sealing effect, so that air leakage can be effectively prevented, the negative pressure environment inside the dust collector is maintained, thereby the stability of suction is ensured, and the cleaning effect is improved.

Claims

1. A surface cleaning head for a vacuum cleaner comprising a suction head (1) and a seal arrangement (5), characterised in that: One end of the suction head (1) is provided with a suction tube (2), the upper surface of the suction tube (2) is provided with an air pipe (3), the upper surface of the air pipe (3) is threadedly connected with a connecting pipe (4), the sealing device (5) is arranged on the surface of the air pipe (3), the sealing device (5) comprises a push rod (54), the push rod (54) is in sliding connection with the air pipe (3), the surface of the air pipe (3) is fixedly connected with a stop rod (53), the connecting pipe (4) is provided with a clamping groove (56) on both sides, the stop rod (53) is clamped with the clamping groove (56), the stop rod (53) has two, and the two stop rods (53) are mirror-symmetrically arranged.

2. A surface cleaning head for a vacuum cleaner according to claim 1, wherein: The side of the air pipe (3) close to the stop rod (53) is provided with a thread, and the surface of the air pipe (3) is threadedly connected with a knob (52).

3. A surface cleaning head for a vacuum cleaner according to claim 2, wherein: The surface of the knob (52) is fixedly connected with a stop ring (51), and the stop ring (51) is sleeved with the stop rod (53).

4. A surface cleaning head for a vacuum cleaner according to claim 1, wherein: One side of the stop rod (53) is fixedly connected with a pressure spring (55), and the side of the pressure spring (55) away from the stop rod (53) is fixedly connected with the air pipe (3).

5. A surface cleaning head for a vacuum cleaner according to claim 1, wherein: The lower surface of the air pipe (3) is provided with an adjusting assembly (6), the adjusting assembly (6) comprises a secondary pipe (64), the secondary pipe (64) is fixedly connected with the air pipe (3), the side of the secondary pipe (64) away from the air pipe (3) is in sliding connection with the suction tube (2), the lower surface of the air pipe (3) is fixedly connected with a supporting rod (62), and the lower surface of the supporting rod (62) is fixedly connected with a guard ring (61).

6. A surface cleaning head for a vacuum cleaner according to claim 5, wherein: The guard ring (61) is sleeved with the suction tube (2), and the surface of the suction tube (2) is provided with a sliding groove (63), and the guard ring (61) is in sliding connection with the sliding groove (63).

7. A surface cleaning head for a vacuum cleaner according to claim 5 wherein: The supporting rod (62) has two, and the two supporting rods (62) are mirror-symmetrically arranged, and the guard ring (61) is in interference fit with the sliding groove (63).

Images