Locking mechanism and cleaning machine with same

Abstract

The utility model provides a locking mechanism and a cleaning machine with the locking mechanism, the locking mechanism comprises a brush assembly and a spray head assembly, the brush assembly comprises a shell and an elastic toggle clip, the spray head assembly extends into the shell, and a thread on the shell is connected with a locking nut; the locking mechanism has a first state and a second state, in the first state, the locking nut is locked with the thread on the shell, and the locking nut presses the elastic toggle clip and holds the spray head assembly; in the second state, the locking nut and the threads on the shell are unscrewed, the elastic toggle clip loosens the spray head assembly, the spray head assembly and the shell can move in the axial direction, the two functions of the cleaning brush and the spray head assembly are integrated, the cleaning work is more convenient, and the cleaning brush and the spray head do not need to be frequently switched.

Description

Technical Field

[0001] The utility model belongs to the technical field of cleaning equipment, and specifically relates to a cleaning machine with a locking mechanism, and in particular to a cleaning device including a spray gun, a spray head and a brush of the cleaning machine. Background Art

[0002] The water pumped out by the water pump of the high-pressure cleaning equipment in the prior art is transferred to the lotus nozzle assembly through the gun handle assembly, and the lotus nozzle sprays high-pressure rotating water flow to clean the surface of the object. The cleaning brush is connected to the gun handle assembly to assist in cleaning stubborn stains, wherein the lotus nozzle assembly and the cleaning brush are connected to the gun handle assembly through a quick-connect connector set at the water inlet end thereof. This lotus nozzle assembly needs to be removed and replaced with a cleaning brush for auxiliary cleaning. The nozzle assembly and the cleaning brush assembly need to be frequently disassembled and switched during use, and its connection structure is complicated and inconvenient to use. Utility Model Content

[0003] In view of the defects in the prior art, the purpose of the utility model is to provide a locking mechanism and a cleaning machine with the locking mechanism.

[0004] The locking mechanism provided by the utility model comprises a brush assembly and a spray head assembly, wherein the brush assembly comprises a shell and an elastic clip, the spray head assembly extends into the shell, and a locking nut is connected to the thread on the shell;

[0005] In the first state, the locking nut is locked with the thread on the housing, and the locking nut presses the elastic clip and holds the nozzle assembly;

[0006] In the second state, the locking nut and the threads on the housing are loosened, the elastic clip releases the spray head assembly 4, and the spray head assembly and the housing can move axially.

[0007] Preferably, an elastic clip is provided at the end of the shell.

[0008] The elastic clip is cylindrical, and the spray head assembly extends into the elastic clip;

[0009] First state: the elastic clip holds the nozzle assembly to limit the axial movement of the nozzle assembly;

[0010] Second state: the elastic clip releases the nozzle assembly, allowing the nozzle assembly to move axially.

[0011] Preferably, the locking nut is provided with a second conical structure; the nozzle assembly is provided with a step structure;

[0012] The first state is a locking state: the second conical knot of the locking nut is crimped onto the elastic clip, and the upper end of the elastic clip clamps the step structure.

[0013] The second state is a loosened state: the second conical structure of the locking nut is loosened from the elastic clip, and the elastic clip is loosened from the step structure.

[0014] Preferably, the brush assembly further comprises a brush and a cover shell; the brush is fixed in a groove of the cover shell; the housing is connected to the cover shell;

[0015] Preferably, the cover shell is detachably connected to the housing via a snap fastener.

[0016] Preferably, the housing is further provided with a first thread structure; the first thread structure is located at one end of the axial direction of the elastic clip;

[0017] The locking nut is connected to the first thread structure on the housing through the second thread structure.

[0018] Preferably, the nozzle assembly is also provided with a third conical structure and a toothed anti-rotation structure; the conical surface of the third conical structure matches the conical surface of the first conical structure arranged inside the shell; the toothed anti-rotation structure is locked or released with the elastic clip.

[0019] Preferably, a groove allowing the buckle to be inserted is provided on the inner side of the cover shell; the buckle is a protruding structure.

[0020] Preferably, the outer diameter of the end of the elastic clip is larger than the inner diameter of the second tapered structure.

[0021] The utility model also provides a cleaning machine which adopts the locking mechanism.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] 1. The utility model utilizes a special conical locking mechanism to connect the cleaning brush and the nozzle assembly together, integrating the two functions of the cleaning brush and the nozzle assembly, making the cleaning work more convenient without the need to frequently switch the cleaning brush and the nozzle.

[0024] 2. The utility model adopts a method of providing a thread on the inner side of the end of the shell, so that the whole structure can be locked in both directions, making it more secure.

[0025] 3. The utility model realizes the detachable connection between the nozzle assembly and the brush assembly through the cooperation of the locking nut, the elastic buckle and the first thread structure on the shell, which is convenient for assembly and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0027] Figure 1It is a structural schematic diagram of the utility model;

[0028] Figure 2 This is a schematic diagram of the structure of the nozzle assembly of the utility model;

[0029] Figure 3 This is a schematic diagram of the structure of the brush assembly of the utility model;

[0030] Figure 4 It is a schematic diagram of the working principle of the utility model;

[0031] Figure 5 It is a cross-sectional view of the locking mechanism of the utility model;

[0032] Figure 6 It is a cross-sectional view of the cleaning machine of the utility model;

[0033] Figure 7 It is an assembly diagram of the utility model.

[0034] The figure shows:

[0035] DETAILED DESCRIPTION

[0036] The utility model is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those of ordinary skill in the art, several changes and improvements can be made without departing from the concept of the utility model. These all belong to the protection scope of the utility model.

[0037] The utility model provides a locking mechanism, including a brush assembly and a spray head assembly 4, wherein the brush assembly includes a shell 2 and an elastic clip 206, the spray head assembly 4 extends into the shell, and a locking nut 3 is threadedly connected on the shell 2; the locking mechanism has a first state and a second state.

[0038] In the first state, the locking nut 3 is locked with the thread on the housing 2, the locking nut 3 presses the elastic clip 206 and holds the nozzle assembly 4; the elastic clip 206 is cylindrical, and the nozzle assembly 4 extends into the elastic clip 206; in the first state: the elastic clip 206 holds the nozzle assembly 4 to limit the axial movement of the nozzle assembly 4;

[0039] The first state is a locking state: the second conical structure 302 of the locking nut 3 is pressed onto the elastic clip 206 , and the upper end of the elastic clip 206 clamps the step structure 403 .

[0040] In the second state, the locking nut 3 and the threads on the shell 2 are loosened, and the elastic clip 206 loosens the nozzle assembly 4, so that the nozzle assembly 4 and the shell 2 can move axially, and the length direction of the nozzle assembly 4 is axial; in the second state: the elastic clip 206 loosens the nozzle assembly 4, allowing the nozzle assembly 4 to move axially.

[0041] The second state is a loose state: the second conical structure 302 of the locking nut 3 and the elastic clip 206 are loosened, and the elastic clip 206 and the step structure 403 are loosened, so that the nozzle assembly 4 can be easily replaced.

[0042] The end of the shell 2 is provided with an elastic clip 206; the locking nut 3 is provided with a second conical structure 302; the nozzle assembly 4 is provided with a step structure 403; the brush assembly also includes a brush and a cover 1; the brush is fixed in the groove of the cover 1; the shell 2 is connected to the cover 1; the cover 1 and the shell 2 are detachably connected by a buckle to facilitate the replacement of the brush; the shell 2 is also provided with a first thread structure 205; the first thread structure 205 is located at one end of the axial direction of the elastic clip 206;

[0043] The locking nut 3 is connected to the first threaded structure 205 on the shell 2 through the second threaded structure 301. The nozzle assembly 4 is also provided with a third conical structure 401 and a toothed anti-rotation structure 402; the toothed anti-rotation structure 402 is locked or released with the elastic clip 206 to prevent the nozzle assembly from loosening. The conical surface of the third conical structure 401 matches the conical surface of the first conical structure 204 provided inside the shell 2, which is conducive to better centering after the nozzle assembly 4 is extended into the shell; a groove allowing the buckle to be embedded is provided on the inner side of the cover 1; the buckle is a convex structure; the buckle is provided inside the shell 2, which can make the product more beautiful; the outer diameter of the end of the elastic clip 206 is larger than the inner diameter of the second conical structure 302; a thread is provided on the inner side of the end of the shell 2 for threaded connection with the thread on the nozzle assembly to achieve two-way locking.

[0044] The utility model also provides a cleaning machine which adopts the locking mechanism.

[0045] The principle of the utility model is as follows: the connection between the brush assembly and the nozzle assembly is as follows: the nozzle assembly is inserted into the brush assembly, and the first conical structure 204 provided on the shell body 2 contacts and limits the conical surface of the third conical structure 401 provided on the nozzle assembly; the locking nut 3 on the brush assembly is rotated in the locking direction, and the elastic clip 206 provided on the shell body 2 is squeezed by the second conical structure 302, so that the deformable clamping foot of the elastic clip 206 is bent inward, and the step structure 403 limits the nozzle assembly, so that the brush assembly and the nozzle assembly are connected as a whole to form a whole multifunctional high-pressure cleaning machine.

[0046] On the contrary, the locking nut 3 rotates in the loosening direction, the elastic clip 206 is reset, and the brush assembly is disconnected from the nozzle assembly.

[0047] The utility model structure realizes a multifunctional high-pressure cleaning machine in which the cleaning brush and the nozzle are connected in one body, so that the cleaning work is more convenient and efficient without switching.

[0048] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0049] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other at will.

Claims

1. A locking mechanism, characterized in that: It comprises a brush assembly and a spray head assembly (4), wherein the brush assembly comprises a shell (2) and an elastic clip (206), the spray head assembly (4) extends into the shell, and a locking nut (3) is threadedly connected to the shell (2); In the first state, the locking nut (3) is locked with the thread on the housing (2), and the locking nut (3) presses the elastic clip (206) and holds the nozzle assembly (4); In the second state, the threads on the locking nut (3) and the shell (2) are loosened, the elastic clip (206) loosens the spray head assembly (4), and the spray head assembly (4) and the shell (2) are able to move axially.

2. The locking mechanism according to claim 1, characterized in that: An elastic clip (206) is provided at the end of the shell (2); The elastic clip (206) is cylindrical, and the spray head assembly (4) extends into the elastic clip (206); First state: the elastic clip (206) holds the nozzle assembly (4) to limit the axial movement of the nozzle assembly (4); Second state: the elastic clip (206) releases the spray head assembly (4), allowing the spray head assembly (4) to move axially.

3. The locking mechanism according to claim 1, characterized in that: The locking nut (3) is provided with a second conical structure (302); the nozzle assembly (4) is provided with a step structure (403); The first state is a locking state: the second conical structure (302) of the locking nut (3) is pressed onto the elastic clip (206), and the upper end of the elastic clip (206) clamps the step structure (403); The second state is a loosened state: the second conical structure (302) of the locking nut (3) and the elastic clip (206) are loosened, and the elastic clip (206) and the step structure (403) are loosened.

4. The locking mechanism according to claim 1, characterized in that: The brush assembly further comprises a brush and a cover (1); the brush is fixed in a groove of the cover (1); the housing (2) is connected to the cover (1); The cover shell (1) and the housing (2) are detachably connected via a buckle.

5. The locking mechanism according to claim 4, characterized in that: A groove allowing the buckle to be inserted is arranged on the inner side of the cover shell (1); the buckle is a protruding structure.

6. The locking mechanism according to claim 1, characterized in that: The housing (2) is also provided with a first thread structure (205); the first thread structure (205) is located at one axial end of the elastic clip (206); The locking nut (3) is connected to the first threaded structure (205) on the housing (2) via a second threaded structure (301).

7. The locking mechanism according to claim 1, characterized in that: The nozzle assembly is also provided with a third conical structure (401) and a toothed anti-rotation structure (402); The conical surface of the third conical structure (401) matches the conical surface of the first conical structure (204) arranged inside the housing (2); The toothed anti-rotation structure (402) is locked or released with the elastic clip (206).

8. The locking mechanism according to claim 1, characterized in that: The outer diameter of the end of the elastic clip (206) is greater than the inner diameter of the second conical structure (302).

9. A cleaning machine, characterized in that: A locking mechanism as claimed in any one of claims 1 to 8 is adopted.

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