High-pressure water spray pipe winding device

Abstract

The utility model provides a high-pressure water spray pipe winding device. The high-pressure water spray pipe winding device comprises a disc body, a connecting pipe, a notch ratchet wheel, an assembly part and a pawl, wherein the tray body comprises a first tray body and a second tray body; a cylinder part is fixedly connected to the first disc body; a spring piece is arranged in the second disc body and connected with the connecting pipe and the second disc body. The notch ratchet wheel is arranged on the cylinder part and provided with ratchets, and notches are formed between the ratchets; an elastic piece and a pawl are arranged on the bottom face of the assembly piece. When the cleaning machine is used, the water spraying pipe is pulled out; when the water spraying pipe is stopped being pulled, the end part of the pawl is clamped on the ratchet to prevent the notch ratchet wheel from rotating; when the water spraying pipe is recycled, the water spraying pipe is pulled to be loosened, the disc body is driven to rotate reversely through the spring piece, the ratchet is driven to drive the end of the pawl to change the direction, and the pawl does not stop rotation of the notch ratchet wheel. The winding device can be integrally assembled on the cleaning machine, when the water spraying pipe needs to be recycled, the water spraying pipe is pulled outwards and then loosened, and the water spraying pipe is automatically recycled and wound on the disc body.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline retraction, and particularly relates to a retraction device for a high-pressure water spray pipe. Background Art

[0002] A high-pressure water spray cleaning machine is a device that uses high-pressure water flow to clean the dirt on the surface of an object. Generally, it includes a high-pressure water pump, a water pipe, a spray gun, and a control system, etc. The high-pressure water pump is the core component of the cleaning machine, which can increase the pressure of the water source to generate high-pressure water flow; the water pipe is connected to the high-pressure water pump and is used to transport the high-pressure water flow, usually made of pressure-resistant and wear-resistant materials to ensure that it can withstand the pressure of the high-pressure water flow; the spray gun is connected to the water pipe and is used to spray the high-pressure water flow. The spray gun can usually adjust the water flow rate and the form of water spray. Different spray guns can be used for different cleaning tasks, such as car washing, floor cleaning, and wall cleaning, etc.; the control system is used to control functions such as starting and stopping the cleaning machine.

[0003] The high-pressure water spray cleaning machine has the advantages of high cleaning efficiency, good cleaning effect, and simple operation, and is an indispensable device in the modern cleaning industry. In order to meet different cleaning tasks, the water pipe of the existing cleaning machine is generally set very long, but there is a problem of inconvenient storage. The existing method of storing the water pipe is to wind the water pipe into a circle and then hang it on the handle of the cleaning machine with a rope. However, this storage method can usually only store a relatively short length of the water pipe, and each time the cleaning machine is used, the rope needs to be untied and the water pipe needs to be smoothed out. After use, it is also necessary to manually wind the water pipe into a circle and tie it up before hanging it on the handle of the cleaning machine, which makes it inconvenient to use; there is also a method of storing the water pipe, which is to separately equip a retraction device for retracting. Although this can store a relatively long water pipe, when using the cleaning machine, it is necessary to move two devices, one is the cleaning machine and the other is the retraction device, which is still not convenient enough.

[0004] Therefore, how to design a high-pressure water spray pipe retraction device that can be assembled with the machine and is simple, convenient, time-saving, labor-saving, and thus improves efficiency when the cleaning machine is in use is a technical problem that has not been solved in the prior art. Summary of the Utility Model

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the technical defects that the existing method of storing the water pipe is either to wind it into a circle and then hang it on the handle of the cleaning machine or to separately equip a retraction device, resulting in inconvenient operation or inconvenient movement, so as to provide a high-pressure water spray pipe retraction device that can be assembled with the machine and is simple, convenient, time-saving, labor-saving, and thus improves efficiency when the cleaning machine is in use.

[0006] For this purpose, the utility model provides a high-pressure water spray pipe retraction device, including:

[0007] The disk body is suitable for winding the water spray pipe and has a central through hole, including a first disk body and a second disk body; a cylindrical part is fixedly connected to the central position of the first disk body, and a connecting bearing is installed inside the cylindrical part; the bottom surface of the second disk body is fixedly connected to the bottom surface of the first disk body, the second disk body has an inner cavity, an opening is provided at the side wall position for winding the water spray pipe, and a spring piece is arranged inside the inner cavity;

[0008] The connecting pipe is arranged inside the central through hole and is rotatably installed through the connecting bearing. One end of the spring piece is fixedly connected to the connecting pipe, and the other end is fixedly connected to the second disk body; the top end of the connecting pipe is suitable for being connected to the water outlet of the high-pressure water pump through a pipeline, and the bottom end is suitable for connecting the water spray pipe, and the water spray pipe passes through the opening;

[0009] The notched ratchet is fixedly arranged on the outer wall of the top end of the cylindrical part and is provided with two rows of ratchet teeth, and there is a notch between the two rows of ratchet teeth;

[0010] The fitting is arranged above the disk body and is suitable for being assembled with the cleaning machine. A through hole is provided at the middle position of the fitting, and an elastic part is fixedly arranged on the bottom surface. The top end of the connecting pipe is fixedly arranged with the through hole and passes through the through hole;

[0011] The pawl is rotatably installed on the bottom surface of the fitting and is connected to the elastic part. The end of the pawl can be driven by the notched ratchet and the elastic part to change its orientation;

[0012] When the water spray pipe is pulled outwards by an external force, the disk body rotates accordingly and simultaneously drives the notched ratchet to rotate. The rotation of the notched ratchet drives the end of the pawl to rotate in the direction of pulling out the water spray pipe. The elastic part is stretched by the pawl, and the pawl does not prevent the rotation of the notched ratchet; the rotation of the disk body drives the spring piece to contract and wind towards the position close to the connecting pipe;

[0013] When the external force for pulling out the water spray pipe is stopped, the notched ratchet reverses under the action of the spring piece, and the end of the pawl gets stuck on the ratchet teeth of the notched ratchet to prevent the notched ratchet from rotating back;

[0014] When recycling the water spray pipe, first pull out the water spray pipe outwards to separate the pawl from the ratchet teeth and enter the notch position, the elastic part retracts, and then release the water spray pipe. Under the action of the spring piece, it drives the disk body to reverse, drives the ratchet teeth to drive the end of the pawl to change the direction, and the pawl does not prevent the rotation of the notched ratchet.

[0015] As a preferred solution, the connecting pipe includes a first section and a second section, and the first section and the second section are detachably screwed together.

[0016] As a preferred embodiment, the spring piece is a wound strip, one end of which is fixedly arranged on the first section, and the other end is fixedly arranged at a position near the outer circumference of the second disc body.

[0017] As a preferred embodiment, a connection joint adapted to be connected to the water outlet of the high-pressure water pump is fixedly arranged at the top end of the first section.

[0018] As a preferred embodiment, a water outlet joint is rotatably connected to the second section, and the water outlet joint is adapted to be connected to the water spray pipe.

[0019] As a preferred embodiment, the top end of the cylindrical member has an inner flange, and an annular protruding block is fixedly arranged near the bottom end, and the connecting bearing is installed between the inner flange and the annular protruding block.

[0020] As a preferred embodiment, the first disc body has a first concave cavity and a first circular ring edge formed by outward extension of the top wall of the first concave cavity;

[0021] The second disc body has a second concave cavity and a second circular ring edge formed by outward extension of the top wall of the second concave cavity;

[0022] The inner diameters of the first concave cavity and the second concave cavity are the same, and the outer diameters of the first circular ring edge and the second circular ring edge are the same.

[0023] As a preferred embodiment, a limiting member is further included, which is screwed to the second circular ring edge near the opening position by bolts, and the water spray pipe is limited and fixed on the second disc body by the limiting member.

[0024] As a preferred embodiment, a plurality of bolts are provided on the fitting, and the fitting is screwed to the base of the cleaning machine by bolts.

[0025] As a preferred embodiment, an assembly frame is further included, which is fixedly arranged on the fitting, extends around the outside of the first circular ring edge and then further extends to the lower part outside the second circular ring edge.

[0026] The technical solution provided by the present utility model has the following advantages:

[0027] 1. The high-pressure water spray pipe winding device of the present utility model includes a disk body, a connecting pipe, a notched ratchet, a fitting and a pawl. The disk body is adapted to wind the water spray pipe and has a central through hole, including a first disk body and a second disk body. A cylindrical member is fixedly connected to the central position of the first disk body, and a connecting bearing is installed inside the cylindrical member. The bottom surface of the second disk body is fixedly connected to the bottom surface of the first disk body. The second disk body has an inner cavity, an opening is provided at the side wall position for winding the water spray pipe, and a spring piece is arranged inside the inner cavity. The connecting pipe is arranged inside the central through hole and is rotatably installed through the connecting bearing. One end of the spring piece is fixedly connected to the connecting pipe, and the other end is fixedly connected to the second disk body. The top end of the connecting pipe is adapted to be connected to the water outlet of the high-pressure water pump through a pipeline, and the bottom end is adapted to be connected to the water spray pipe, and the water spray pipe passes out from the opening. The notched ratchet is fixedly arranged on the outer wall of the top end of the cylindrical member and is provided with two rows of ratchet teeth, and there is a notch between the two rows of ratchet teeth. The fitting is arranged above the disk body and is adapted to be assembled with the cleaning machine. A through hole is provided at the middle position of the fitting, and an elastic member is fixedly arranged on the bottom surface. The top end of the connecting pipe is fixedly arranged with the through hole and passes out from the through hole. The pawl is rotatably installed on the bottom surface of the fitting and is connected to the elastic member. The end of the pawl can be driven by the notched ratchet and the elastic member to change its orientation.

[0028] When using the high-pressure water spray pipe winding device of the present utility model, first assemble the winding device with the cleaning machine so that the connecting pipe is connected to the water outlet of the high-pressure water pump. When using the cleaning machine, use an external force to pull the water spray pipe outwards. The disk body rotates accordingly and simultaneously drives the notched ratchet to rotate. The rotation of the notched ratchet drives the end of the pawl to rotate in the direction of pulling out the water spray pipe. The elastic member is stretched by the pawl, and the pawl does not prevent the rotation of the notched ratchet. The rotation of the disk body drives the spring piece to contract and wind tightly towards the position close to the connecting pipe. When stopping using the external force to pull the water spray pipe outwards, the notched ratchet reverses under the action of the spring piece, and the end of the pawl gets stuck on the ratchet teeth of the notched ratchet, preventing the notched ratchet from rotating back. When recovering the water spray pipe, first pull the water spray pipe outwards so that the pawl is separated from the ratchet teeth and enters the notch position, the elastic member retracts, and then release the water spray pipe. Under the action of the spring piece, it drives the disk body to reverse and drives the ratchet teeth to drive the end of the pawl to change its direction. The pawl does not prevent the rotation of the notched ratchet, and the water spray pipe is recovered and wound onto the disk body.

[0029] That is to say, the high-pressure water spray pipe winding device of the present utility model can be directly assembled onto the cleaning machine through the fitting and is integrally arranged with the cleaning machine, which is very convenient to move. When it is necessary to recover the water spray pipe, only need to pull out a section of the water spray pipe and then release it, and the water spray pipe can be automatically recovered and wound onto the disk body, enabling the cleaning machine to be simple, convenient, time-saving, labor-saving and efficient during use.

[0030] 2. For the high-pressure water spray pipe retracting device of the present utility model, one end of the spring piece is fixedly arranged on the connecting pipe, and the other end is fixedly arranged at a position near the outer circumference of the second disk body; when the water spray pipe is pulled out, the spring piece contracts and winds tightly towards the position close to the connecting pipe; when the water spray pipe is retracted, under the action of the spring piece, the disk body is driven to reverse, and the end of the ratchet tooth driving the pawl changes direction, so that the pawl does not prevent the rotation of the notched ratchet wheel, and the water spray pipe is retracted and wound around the disk body.

[0031] 3. For the high-pressure water spray pipe retracting device of the present utility model, the first disk body has a first concave cavity and a first circular ring edge formed by outward extension of the top wall of the first concave cavity; the second disk body has a second concave cavity and a second circular ring edge formed by outward extension of the top wall of the second concave cavity; the first concave cavity and the second concave cavity can reduce the weight of the disk body, and the disk body can be driven to rotate with a smaller force; the first circular ring edge and the second circular ring edge can limit the water spray pipe, so that the water spray pipe can be neatly stored.

[0032] 4. For the high-pressure water spray pipe retracting device of the present utility model, after the assembly frame winds around the outside of the first circular ring edge, it further extends to the lower side outside the second circular ring edge. The assembly frame can protect the disk body to avoid damage to the disk body affecting the use; and the assembly frame can also limit the water spray pipe. Description of the Drawings

[0033] In order to more clearly illustrate the technical solutions in the prior art or the specific embodiments of the present utility model, the following briefly introduces the drawings used in the description of the prior art or the specific embodiments.

[0034] Figure 1 It is a schematic diagram of the overall structure of the high-pressure water spray pipe retracting device of the present utility model.

[0035] Figure 2 It is Figure 1 The cross-sectional view after removing the fitting in

[0036] Figure 3 It is Figure 2 Another three-dimensional view of

[0037] Figure 4 It is Figure 1 The structural diagram after removing the fitting in

[0038] Figure 5 It is Figure 1 The structural diagram after removing the disk body in

[0039] Figure 6 It is Figure 1 The structural diagram after removing the disk body and the fitting in

[0040] Figure 7 It is Figure 1Another perspective view after removing the middle assembly part.

[0041] Figure 8 is Figure 1 Schematic structural view of the middle assembly part.

[0042] Figure 9 is Figure 1 Schematic structural view of the middle disk body.

[0043] Reference numerals: 1, disk body; 11, middle through hole; 12, first disk body; 120, first cavity; 121, first circular ring edge; 13, second disk body; 130, second cavity; 131, second circular ring edge; 14, cylindrical part; 15, inner cavity; 16, opening; 17, inner flange; 18, annular protruding block; 2, water spraying pipe; 3, connecting bearing; 4, spring piece; 5, connecting pipe; 51, first section; 52, second section; 53, connecting joint; 54, water outlet joint; 6, notched ratchet; 61, ratchet teeth; 7, assembly part; 71, through hole; 72, assembly frame; 8, elastic part; 9, ratchet pawl; 10, limiting part. Detailed implementation manners

[0044] In order to enable those skilled in the art to better understand this solution, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

[0045] It should be noted that the terms "first", "second", etc. in the claims and the description of the present application are used to distinguish similar objects, rather than to describe a specific order or sequence. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the clearly listed steps or units, but may also include other steps or units that are not clearly listed or are inherent to these processes, methods, products or devices.

[0046] In this application, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. Moreover, in addition to being used to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this application can be understood according to specific circumstances. In addition, the meaning of the term "a plurality" should be two or more. It should be noted that, without conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0047] The following will detail this application with reference to the drawings and in combination with embodiments. Embodiment

[0048] This embodiment provides a high-pressure water spray pipe retracting device, as Figure 1-9 shown, including: a disk body 1, a connecting pipe 5, a notched ratchet 6, a fitting 7 and a pawl 9; wherein the disk body 1 is adapted to wind the water spray pipe 2 and has a central through hole 11, including a first disk body 12 and a second disk body 13; a cylindrical member 14 is fixedly connected to the middle position of the first disk body 12, and a connecting bearing 3 is installed inside the cylindrical member 14; the bottom surface of the second disk body 13 is fixedly connected to the bottom surface of the first disk body 12, the second disk body 13 has an inner cavity 15, an opening 16 is provided at the side wall position for winding the water spray pipe 2, and a spring piece 4 is arranged inside the inner cavity 15; the connecting pipe 5 is arranged inside the central through hole 11 and is rotatably installed through the connecting bearing 3, one end of the spring piece 4 is fixedly connected to the connecting pipe 5, and the other end is fixedly connected to the second disk body 13; the top end of the connecting pipe 5 is adapted to be connected to the water outlet of a high-pressure water pump through a pipeline, and the bottom end is adapted to be connected to the water spray pipe 2, and the water spray pipe 2 passes out from the opening 16; the notched ratchet 6 is fixedly arranged on the outer wall of the top end of the cylindrical member 14 and is provided with two rows of ratchet teeth 61, and there is a notch between the two rows of ratchet teeth 61; the fitting 7 is arranged above the disk body 1 and is adapted to be assembled with a cleaning machine, a through hole 71 is provided at the middle position of the fitting 7, and an elastic member 8 is fixedly arranged on the bottom surface, the top end of the connecting pipe 5 is fixedly arranged with the through hole 71 and passes out from the through hole 71; the pawl 9 is rotatably installed on the bottom surface of the fitting 7 and is connected to the elastic member 8, and the end of the pawl 9 can be driven by the notched ratchet 6 and the elastic member 8 to change its orientation.

[0049] When the water spraying pipe 2 is pulled outwards by an external force, the disc body 1 rotates accordingly and simultaneously drives the notched ratchet wheel 6 to rotate. The rotation of the notched ratchet wheel 6 drives the end of the pawl 9 to rotate in the direction of pulling out the water spraying pipe 2. The elastic member 8 is stretched by the pawl 9, and the pawl 9 does not prevent the rotation of the notched ratchet wheel 6. The rotation of the disc body 1 drives the spring piece 4 to contract and wind towards the position close to the connecting pipe 5. When the external force for pulling out the water spraying pipe 2 is no longer used, the notched ratchet wheel 6 reversely rotates under the action of the spring piece 4, and the end of the pawl 9 is stuck on the ratchet teeth 61 of the notched ratchet wheel 6, preventing the notched ratchet wheel 6 from rotating back. When recycling the water spraying pipe 2, first pull out the water spraying pipe 2 outwards to separate the pawl 9 from the ratchet teeth 61 and enter the notch position, and the elastic member 8 retracts. Then release the water spraying pipe 2, and under the action of the spring piece 4, drive the disc body 1 to reversely rotate, driving the ratchet teeth 61 to drive the end of the pawl 9 to change its direction, and the pawl 9 does not prevent the rotation of the notched ratchet wheel 6.

[0050] When using the high-pressure water spraying pipe winding device of this embodiment, first assemble the winding device with the cleaning machine so that the connecting pipe 5 is connected to the water outlet of the high-pressure water pump. When using the cleaning machine, use an external force to pull out the water spraying pipe 2 outwards. The disc body 1 rotates accordingly and simultaneously drives the notched ratchet wheel 6 to rotate. The rotation of the notched ratchet wheel 6 drives the end of the pawl 9 to rotate in the direction of pulling out the water spraying pipe 2. The elastic member 8 is stretched by the pawl 9, and the pawl 9 does not prevent the rotation of the notched ratchet wheel 6. The rotation of the disc body 1 drives the spring piece 4 to contract and wind towards the position close to the connecting pipe 5. When the external force for pulling out the water spraying pipe 2 is no longer used, the notched ratchet wheel 6 reversely rotates under the action of the spring piece 4, and the end of the pawl 9 is stuck on the ratchet teeth 61 of the notched ratchet wheel 6, preventing the notched ratchet wheel 6 from rotating back. When recycling the water spraying pipe 2, first pull out the water spraying pipe 2 outwards to separate the pawl 9 from the ratchet teeth 61 and enter the notch position, and the elastic member 8 retracts. Then release the water spraying pipe 2, and under the action of the spring piece 4, drive the disc body 1 to reversely rotate, and drive the ratchet teeth 61 to drive the end of the pawl 9 to change its direction. The pawl 9 does not prevent the rotation of the notched ratchet wheel 6, and the water spraying pipe 2 is recycled and wound onto the disc body 1.

[0051] That is to say, the high-pressure water spraying pipe winding device of this embodiment can be directly assembled onto the cleaning machine through the fitting 7 and is integrally provided with the cleaning machine, which is very convenient to move. When it is necessary to recycle the water spraying pipe 2, only need to pull out a section of the water spraying pipe 2 outwards and then release it, and the water spraying pipe 2 can be automatically recycled and wound onto the disc body 1, enabling the cleaning machine to be simple, convenient, time-saving, labor-saving and efficient during use.

[0052] Such as Figure 2-3As shown, the connecting pipe 5 includes a first section 51 and a second section 52, and the first section 51 and the second section 52 are detachably screwed together; the water spraying pipe 2 is connected to the second section 52 through a water outlet joint 54. When the water spraying pipe 2 is pulled out or retracted, it will not affect the fixation of the first section 51.

[0053] As Figure 5-6 shown, the spring piece 4 is a wound strip, one end is fixedly arranged on the first section 51, and the other end is fixedly arranged at a position near the outer circumference of the second disc body 52; when the water spraying pipe 2 is pulled out, the spring piece 4 contracts and winds towards the position close to the connecting pipe 5; when the water spraying pipe 2 is retracted, under the action of the spring piece 4, the disc body 1 is driven to reverse, and the end of the ratchet 61 is driven to drive the end of the pawl 9 to change direction, so that the pawl 9 does not prevent the rotation of the notched ratchet 6, so that the water spraying pipe 2 is retracted and wound onto the disc body 1.

[0054] A connection joint 53 adapted to be connected to the water outlet of the high-pressure water pump is fixedly arranged at the top end of the first section 51, and the connection joint 53 is adapted to be connected to the water outlet of the high-pressure water pump. A water outlet joint 54 is rotatably connected to the second section 52, and the water outlet joint 54 is adapted to be connected to the water spraying pipe 2.

[0055] As Figure 2 shown, the top end of the cylindrical member 14 has an inner flange 17, and an annular protruding block 18 is fixedly arranged near the bottom end; the connecting bearing 3 is installed between the inner flange 17 and the annular protruding block 18; the connecting bearing 3 is fixed inside the cylindrical member 14 through the inner flange 17 and the annular protruding block 18.

[0056] As Figure 9 shown, the first disc body 12 has a first concave cavity 120 and a first circular ring edge 121 extending outward from the top wall of the first concave cavity 120; the second disc body 13 has a second concave cavity 130 and a second circular ring edge 131 extending outward from the top wall of the second concave cavity 130; the inner diameters of the first concave cavity 120 and the second concave cavity 130 are the same, and the outer diameters of the first circular ring edge 121 and the second circular ring edge 131 are the same; the first concave cavity 120 and the second concave cavity 130 can reduce the weight of the disc body 1, and the disc body 1 can be driven to rotate with a smaller force; the first circular ring edge 121 and the second circular ring edge 131 can limit the water spraying pipe 2, so that the water spraying pipe 2 can be neatly stored.

[0057] Preferably, as Figure 1 shown, a limiting member 10 is further included, which is screwed to the second circular ring edge 131 near the opening 16 through a bolt, and the water spraying pipe 2 is limited and fixed to the second disc body 13 by the limiting member 10.

[0058] A number of bolts are provided on the fitting 7, and the fitting 7 is screwed to the base of the cleaning machine through the bolts; bolt connection is simple and convenient for installation or disassembly, and the connection is firm.

[0059] Preferably, it further includes an assembly frame 72 fixedly arranged on the fitting 7. After passing around the outside of the first circular ring edge 121, it further extends to the lower outside of the second circular ring edge 131. The assembly frame 72 can protect the disk body 1 to prevent damage to the disk body 1 from affecting its use; and the assembly frame 72 can also limit the position of the water spray pipe 2.

[0060] The usage method of the high-pressure water spray pipe retracting device in this embodiment is as follows: When using the high-pressure water spray pipe retracting device of this embodiment, first assemble the retracting device with the cleaning machine so that the connection joint 53 of the connecting pipe 5 is connected to the water outlet of the high-pressure water pump. When using the cleaning machine, use an external force to pull the water spray pipe 2 outwards. The disk body 1 rotates accordingly and simultaneously drives the notched ratchet 6 to rotate. The rotation of the notched ratchet 6 drives the end of the pawl 9 to rotate in the direction of pulling out the water spray pipe 2. The elastic member 8 is stretched by the pawl 9, and the pawl 9 does not prevent the rotation of the notched ratchet 6; the rotation of the disk body 1 drives the spring piece 4 to contract and wind towards the position close to the connecting pipe 5; when the external force to pull the water spray pipe 2 outwards is stopped, the notched ratchet 6 reverses under the action of the spring piece 4, and the end of the pawl 9 gets stuck on the ratchet teeth 61 of the notched ratchet 6 to prevent the notched ratchet 6 from rotating back; when retracting the water spray pipe 2, first pull the water spray pipe 2 outwards to separate the pawl 9 from the ratchet teeth 61 and enter the notch position, the elastic member 8 retracts, then release the water spray pipe 2. Under the action of the spring piece 4, it drives the disk body 1 to reverse, and drives the ratchet teeth 61 to drive the end of the pawl 9 to change direction. The pawl 9 does not prevent the rotation of the notched ratchet 6, and the water spray pipe 2 is retracted and wound onto the disk body 1.

[0061] Obviously, the above embodiments are merely examples given for clear illustration and not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of this innovative technical solution.

Claims

1. A high-pressure water spray pipe retracting device, characterized in that, Comprising: A disk body (1), adapted to wind a water spray pipe (2), having a central through hole (11), including a first disk body (12) and a second disk body (13); a cylindrical member (14) is fixedly connected to the middle position of the first disk body (12), and a connecting bearing (3) is installed inside the cylindrical member (14); the bottom surface of the second disk body (13) is fixedly connected to the bottom surface of the first disk body (12), the second disk body (13) has an inner cavity (15), an opening (16) is provided at the side wall position for winding the water spray pipe (2), and a spring piece (4) is arranged inside the inner cavity (15); A connecting pipe (5), arranged inside the central through hole (11), rotatably installed through the connecting bearing (3), one end of the spring piece (4) is fixedly connected to the connecting pipe (5), and the other end is fixedly connected to the second disk body (13); the top end of the connecting pipe (5) is adapted to be connected to the water outlet of a high-pressure water pump through a pipeline, and the bottom end is adapted to be connected to the water spray pipe (2), and the water spray pipe (2) passes out from the opening (16); A notched ratchet wheel (6), fixedly arranged on the outer wall of the top end of the cylindrical member (14), provided with two rows of ratchet teeth (61), and there is a notch between the two rows of ratchet teeth (61); An assembly (7), arranged above the disk body (1), adapted to be assembled with a cleaning machine, a through hole (71) is provided at the middle position of the assembly (7), an elastic member (8) is fixedly arranged on the bottom surface, the top end of the connecting pipe (5) is fixedly arranged with the through hole (71) and passes out from the through hole (71); A pawl (9), rotatably installed on the bottom surface of the assembly (7), connected to the elastic member (8), and the end of the pawl (9) can be driven by the notched ratchet wheel (6) and the elastic member (8) to change its orientation; When an external force is used to pull out the water spray pipe (2) outward, the disk body (1) rotates accordingly and simultaneously drives the notched ratchet wheel (6) to rotate. The rotation of the notched ratchet wheel (6) drives the end of the pawl (9) to rotate in the direction of pulling out the water spray pipe (2). The elastic member (8) is stretched by the pawl (9), and the pawl (9) does not prevent the rotation of the notched ratchet wheel (6); the rotation of the disk body (1) drives the spring piece (4) to contract and wind towards the position close to the connecting pipe (5); When the external force for pulling out the water spray pipe (2) is stopped, the notched ratchet wheel (6) reverses under the action of the spring piece (4), and the end of the pawl (9) gets stuck on the ratchet teeth (61) of the notched ratchet wheel (6) to prevent the notched ratchet wheel (6) from rotating back; When retrieving the water spray pipe (2), first pull the water spray pipe (2) outwards, so that the pawl (9) separates from the ratchet teeth (61) and enters the notch position, the elastic member (8) retracts, then release the water spray pipe (2), and under the action of the spring plate (4), drive the disc body (1) to reverse, drive the ratchet teeth (61) to drive the end of the pawl (9) to change direction, and the pawl (9) does not prevent the rotation of the notched ratchet wheel (6).

2. The high-pressure water spray pipe retracting device according to claim 1, wherein: The connecting pipe (5) includes a first section (51) and a second section (52), and the first section (51) and the second section (52) are detachably screwed together.

3. The high-pressure water spray pipe retracting device according to claim 2, characterized in that: The spring plate (4) is in the form of a wound strip, with one end fixedly arranged on the first section (51) and the other end fixedly arranged at a position near the outer circumference of the second disc body (52).

4. The high-pressure water spray pipe retracting device according to claim 2, characterized in that: A connection joint (53) adapted to be connected to the water outlet of the high-pressure water pump is fixedly arranged at the top of the first section (51).

5. The high-pressure water pipe retracting device according to claim 2, wherein: A water outlet joint (54) is rotatably connected to the second section (52), and the water outlet joint (54) is adapted to be connected to the water spray pipe (2).

6. The high-pressure water pipe retracting device according to claim 1, wherein: The top end of the cylindrical member (14) has an inner flange (17), and an annular protruding block (18) is fixedly arranged near the bottom end, and the connecting bearing (3) is installed between the inner flange (17) and the annular protruding block (18).

7. The high-pressure water spray pipe retracting device according to claim 1, characterized in that: The first disc body (12) has a first concave cavity (120) and a first circular ring edge (121) formed by outward extension of the top wall of the first concave cavity (120). The second disc body (13) has a second concave cavity (130) and a second circular ring edge (131) formed by outward extension of the top wall of the second concave cavity (130). The inner diameters of the first concave cavity (120) and the second concave cavity (130) are the same, and the outer diameters of the first circular ring edge (121) and the second circular ring edge (131) are the same.

8. The high-pressure water pipe retracting device according to claim 7, characterized in that: It further includes a limiting member (10), which is screwed to the second circular ring edge (131) near the opening (16) by bolts, and the water spray pipe (2) is limited and fixed on the second disc body (13) by the limiting member (10).

9. The high-pressure water spray pipe retracting device according to claim 1, wherein: A number of bolts are provided on the fitting (7), and the fitting (7) is screwed to the base of the cleaning machine by bolts.

10. The high-pressure water spray pipe retracting device according to claim 7, characterized in that: It further includes an assembly frame (72), which is fixedly arranged on the fitting (7), passes around the outside of the first circular ring edge (121), and further extends to the outside and below of the second circular ring edge (131).

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