Cleaning system and spraying device thereof

Abstract

The invention discloses a spraying device for a cleaning system, which comprises a spray head, the spray head comprises a middle body, an outlet cover body, a first inlet cover body, a second inlet cover body and a vortex piece, and the vortex piece is arranged between the middle body and the outlet cover body; the device is characterized in that a threaded hole is formed in the center of the right end of the middle body, the downstream end of the outlet cover body is connected with a nozzle body, the vortex piece comprises a connecting shaft and an impeller, the impeller is rotatably installed on the connecting shaft, and the axial length of the connecting shaft screwed into the threaded hole is adjustable; an end face disc is arranged at the left end of the nozzle body, a second external thread is arranged at the right end of the nozzle body and connected with the internal thread of the outlet section of the outlet cover body, and the axial length of the nozzle body screwed into the vortex mixing cavity is adjustable, so that the axial position of the end face disc in the vortex mixing cavity is adjustable. According to the invention, the mixing uniformity and vortex jet performance of the mixed liquid can be more effectively adjusted and improved, so that the cleaning effect is improved; and the device has the advantages of simplicity in manufacturing, and simplicity and convenience in mounting / dismounting and maintenance.

Description

Technical Field

[0001] The present invention relates to the technical field of cleaning devices, and particularly relates to a cleaning system and its spraying device. Background Art

[0002] The existing spraying device for a cleaning system includes a spray head, and the spray head includes an intermediate body, an outlet cover body, a first inlet cover body, a second inlet cover body, and a vortex member. The downstream end of the intermediate body is connected to the outlet cover body, the upstream end is connected to the first inlet cover body, the upstream end of the first inlet cover body is connected to the second inlet cover body, and a vortex member is arranged between the intermediate body and the outlet cover body. However, the existing spraying device still has problems that the volume of the vortex member and the vortex mixing chamber cannot be adjusted or the adjustability is poor, the installation / dismantling and maintenance are not simple, and the mixing uniformity and the vortex spraying performance need to be further improved. Summary of the Invention

[0003] The purpose of the present invention is to overcome the deficiencies existing in the prior art, and provide a cleaning system and its spraying device, which can adjust the axial position of the impeller in the vortex mixing chamber, and accordingly the impact rotation speed of the impeller can be adjusted, and can adjust the volume of the vortex mixing chamber. Compared with the prior art, it can more effectively adjust and improve the mixing uniformity and the vortex spraying performance of the mixed liquid, thereby improving the cleaning effect. The present invention is installed through the structure of the above spraying device, and has the advantages of simple manufacturing, simple installation / dismantling and maintenance.

[0004] In order to achieve the above purpose, the technical solution adopted by the present invention is as follows:

[0005] A spraying device for a cleaning system includes a spray head, and the spray head includes an intermediate body, an outlet cover body, a first inlet cover body, a second inlet cover body, and a vortex member. The downstream end of the intermediate body is connected to the outlet cover body, the upstream end is connected to the first inlet cover body, the upstream end of the first inlet cover body is connected to the second inlet cover body, and a vortex member is arranged between the intermediate body and the outlet cover body. It is characterized in that: a threaded hole is opened at the center of the right end of the intermediate body, a vortex mixing chamber is formed between the right end of the intermediate body and the outlet cover body, a nozzle body is connected to the downstream end of the outlet cover body, the vortex member includes a connecting shaft and an impeller, the impeller is rotatably installed on the connecting shaft, the connecting shaft has a first external thread, and the axial length of the connecting shaft screwed into the threaded hole can be adjusted, so that the axial position of the impeller in the vortex mixing chamber can be adjusted; a end face disk is arranged at the left end of the nozzle body, the outer peripheral surface of the end face disk is in clearance fit with the inner peripheral surface of the vortex mixing chamber, and the right end has a second external thread and is connected to the internal thread of the outlet section of the outlet cover body, and the axial length of the nozzle body screwed into the vortex mixing chamber can be adjusted, so that the axial position of the end face disk in the vortex mixing chamber can be adjusted.

[0006] Further, when the axial position of the impeller is adjusted, the gap g1 between the impeller and the right end face of the intermediate body can be adjusted; and / or when the axial position of the end face disc is adjusted, the gap g2 between the end face disc and the left end face of the outlet section of the outlet cover body can be adjusted.

[0007] Further, the intermediate body includes an intermediate flow channel, side flow channels, shaft cylinder sections, radial flow channels, a first step portion, and a second step portion. A plurality of side flow channels are provided on the outer periphery of the intermediate flow channel. A plurality of shaft cylinder sections are provided at the left end of the intermediate body. The intermediate flow channel and the side flow channels are connected by a plurality of radial flow channels. The intermediate flow channel extends axially and passes through the shaft cylinder sections. One end of the intermediate flow channel is a through hole end, and the other end is a blind hole end. The plurality of shaft cylinder sections are arranged in parallel. A first step portion is provided on the outer periphery of the left end of the intermediate body and is fitted into the inner hole at the right end of the first inlet cover body through the first step portion. A second step portion is provided on the outer periphery of the right end of the intermediate body and is fitted into the inner hole at the left end of the outlet cover body through the second step portion.

[0008] Further, the outlet cover body includes a vortex mixing chamber, a first flange, a nozzle body, and an end face disc. A first flange is provided on the outer periphery of the left end of the outlet cover body. The internal thread at the outlet section of the outlet cover body is threadedly connected to the second external thread at the right end of the nozzle body. The outer peripheral surface of the end face disc is in a slight clearance fit with the inner peripheral surface of the vortex mixing chamber.

[0009] Further, one or more communication holes are provided on the end face disc, and the communication holes respectively communicate the cavities on the left and right sides of the end face disc for adjusting the pressure distribution.

[0010] Further, the first inlet cover body includes a first cavity and a second flange. A first inlet pipe is connected to the outer peripheral surface of the first inlet cover body. A second flange is provided on the outer peripheral surface at the right end of the first inlet cover body. The left end of the shaft cylinder section passes through the left end face of the first inlet cover body and is installed and fixed by a first nut. The first inlet pipe is used for supplying water or cleaning agent.

[0011] Further, the second inlet cover body includes a second cavity. A second inlet pipe is connected to the outer peripheral surface of the second inlet cover body. The second inlet pipe is arranged in parallel with the first inlet pipe. The second inlet cover body and the first inlet cover body are connected by a plurality of screws. The first nut is located in the second cavity. The second inlet pipe is used for supplying cleaning agent or water.

[0012] Further, the vortex member includes a connecting shaft, an impeller, a bearing, and a second nut. The first external thread provided on the outer peripheral surface of the connecting shaft is threadedly connected to the threaded hole. A bearing is installed on the connecting shaft. The impeller is installed on the outer peripheral surface of the bearing such that the impeller can rotate relative to the connecting shaft under the impact of the liquid. The left and right ends of the impeller are respectively axially positioned and fixed by the second nut. A conical guiding portion is provided at the right end of the connecting shaft.

[0013] Further, the first flange and the second flange are connected by a plurality of screw rods. The middle of the screw rod is a smooth shaft section, and both ends are threaded sections. The two ends of the screw rod are respectively installed and fixed to the first flange and the second flange through third nuts.

[0014] A cleaning system includes the above-mentioned spraying device, connecting pipeline, and pressurizing pump. The pressurizing pump is connected to the spraying device through the connecting pipeline.

[0015] A cleaning system and its spraying device of the present invention can adjust the axial position of the impeller in the eddy mixing chamber. Accordingly, the impact rotation speed of the impeller can be adjusted, and the volume of the eddy mixing chamber can be adjusted. Compared with the prior art, it can more effectively adjust and improve the mixing uniformity and eddy spraying performance of the mixed liquid, thereby improving the cleaning effect.

[0016] The present invention is installed through the structure of the above-mentioned spraying device. Compared with the prior art, it has the advantages of simple manufacturing, convenient installation / dismantling, and maintenance. Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of the spraying device of the cleaning system of the present invention;

[0018] Figure 2 It is a partially enlarged schematic structural diagram of the spraying device of the cleaning system of the present invention;

[0019] Figure 3 It is a schematic structural diagram of the spraying device of the cleaning system of the present invention in other adjustment positions.

[0020] In the figure: intermediate body 1, outlet cover body 2, first inlet cover body 3, second inlet cover body 4, eddy current part 5, screw rod 6, intermediate flow channel 11, side flow channel 12, shaft cylinder section 13, radial flow channel 14, first step part 15, second step part 16, connecting threaded hole 17, eddy mixing chamber 21, first flange 22, nozzle body 23, end face disc / ring 24, first chamber 31, first inlet pipe 32, second flange 33, first nut 34, second chamber 41, second inlet pipe 42, screw 43, connecting shaft 51, impeller / runner 52, bearing 53, second nut 54, third nut 61. Detailed Embodiments

[0021] To make the technical solution of the present invention and its advantages clearer, the following will further clearly and completely describe the technical solution of the present invention in conjunction with the accompanying drawings. It can be understood that the specific embodiments described herein are only partial embodiments of the present invention, which are only used to explain the present invention and not to limit the present invention. It should be noted that for the convenience of description, only the parts / structures related to the present invention are shown in the drawings, and other related parts can refer to the general design. Without conflict, the embodiments in the present invention and the technical features in the embodiments can be combined with each other to obtain new embodiments.

[0022] Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention. In addition, unless otherwise defined, the technical terms or scientific terms used in the description of the present invention shall have the ordinary meanings understood by those of ordinary skill in the art to which the present invention pertains.

[0023] The following further describes the present invention in detail with reference to the accompanying drawings.

[0024] As Figures 1-3 shown, a spraying device for a cleaning system includes a spray head, and the spray head includes an intermediate body 1, an outlet cover body 2, a first inlet cover body 3, a second inlet cover body 4, and a vortex member 5. The downstream end of the intermediate body 1 is connected to the outlet cover body 2, the upstream end is connected to the first inlet cover body 3, the upstream end of the first inlet cover body 3 is connected to the second inlet cover body 4, and a vortex member 5 is arranged between the intermediate body 1 and the outlet cover body 2. It is characterized in that: a threaded hole 17 is opened at the center of the right end of the intermediate body 1, a vortex mixing chamber 21 is formed between the right end of the intermediate body 1 and the outlet cover body 2, the downstream end of the outlet cover body 2 is connected to a nozzle body 23, the vortex member 5 includes a connecting shaft 51 and an impeller 52, the impeller 52 is rotatably installed on the connecting shaft 51, the connecting shaft 51 has a first external thread, and the axial length of the connecting shaft 51 screwed into the threaded hole 17 is adjustable, so that the axial position of the impeller 52 in the vortex mixing chamber 21 is adjustable; a end face disk 24 is arranged at the left end of the nozzle body 23, the outer peripheral surface of the end face disk 24 is in clearance fit with the inner peripheral surface of the vortex mixing chamber 21, and the right end has a second external thread and is connected to the internal thread of the outlet section of the outlet cover body 2. The axial length of the nozzle body 23 screwed into the vortex mixing chamber 21 is adjustable, so that the axial position of the end face disk 24 in the vortex mixing chamber 21 is adjustable.

[0025] As Figure 1 、 3 shown, when the axial position of the impeller 52 is adjusted, the gap g1 between the impeller 52 and the right end face of the intermediate body 1 is adjustable; and / or when the axial position of the end face disk 24 is adjusted, the gap g2 between the end face disk 24 and the left end face of the outlet section of the outlet cover body 2 is adjustable.

[0026] Further, the intermediate body 1 includes an intermediate flow channel 11, side flow channels 12, a shaft cylinder section 13, radial flow channels 14, a first stepped portion 15, and a second stepped portion 16. A plurality of side flow channels 12 are provided on the outer periphery of the intermediate flow channel 11. A plurality of shaft cylinder sections 13 are provided at the left end of the intermediate body 1. The intermediate flow channel 11 and the side flow channels 12 are connected through a plurality of radial flow channels 14. The intermediate flow channel 11 extends axially and penetrates the shaft cylinder section 13. One end of the intermediate flow channel 11 is a through-hole end, and the other end is a blind-hole end. The plurality of shaft cylinder sections 13 are arranged in parallel. A first stepped portion 15 is provided on the outer periphery of the left end of the intermediate body 1, and it is fitted into the inner hole at the right end of the first inlet cover body 3 through the first stepped portion 15. A second stepped portion 16 is provided on the outer periphery of the right end of the intermediate body 1, and it is fitted into the inner hole at the left end of the outlet cover body 2 through the second stepped portion 16.

[0027] The outlet cover body 2 includes an eddy current mixing cavity 21, a first flange 22, a nozzle body 23, and an end face disk 24. A first flange 22 is provided on the outer periphery of the left end of the outlet cover body 2. The internal thread at the outlet section of the outlet cover body 2 is threadedly connected to the second external thread at the right end of the nozzle body 23. The outer peripheral surface of the end face disk 24 is in a slight clearance fit with the inner peripheral surface of the eddy current mixing cavity 21.

[0028] In one embodiment, one or more communication holes are provided on the end face disk 24, and the communication holes respectively communicate the cavities on the left and right sides of the end face disk 24 for adjusting the pressure distribution.

[0029] The first inlet cover body 3 includes a first cavity 31 and a second flange 33. A first inlet pipe 32 is connected to the outer peripheral surface of the first inlet cover body 3. A second flange 33 is provided on the outer peripheral surface at the right end of the first inlet cover body 3. The left end of the shaft cylinder section 13 penetrates the left end face of the first inlet cover body 3 and is installed / fixed by a first nut 34. The first inlet pipe 32 is used to supply water or cleaning agent.

[0030] The second inlet cover body 4 includes a second cavity 41. A second inlet pipe 42 is connected to the outer peripheral surface of the second inlet cover body 4. The second inlet pipe 42 is arranged in parallel with the first inlet pipe 32. The second inlet cover body 4 and the first inlet cover body 3 are connected by a plurality of screws 43. The first nut 34 is located in the second cavity 41. The second inlet pipe 42 is used to supply cleaning agent or water.

[0031] In one embodiment, the eddy current member 5 includes a connecting shaft 51, an impeller / runner 52, a bearing 53, and a second nut 54. The first external thread provided on the outer peripheral surface of the connecting shaft 51 is threadedly connected to the threaded hole 17. A bearing 53 is installed on the connecting shaft 51. The impeller 52 is installed on the outer peripheral surface of the bearing 53 such that the impeller 52 can rotate relative to the connecting shaft 51 under the impact of the liquid. The left and right ends of the impeller 52 are respectively axially positioned and fixed by the second nut 54. A conical guiding portion is provided at the right end of the connecting shaft 51.

[0032] A cleaning system and its spraying device of the present invention. Water and cleaning agent are respectively supplied through the first inlet pipe 32 and the second inlet pipe 42, are stabilized / accumulated in pressure through the first chamber 31 and the second chamber 41, and are mixed through the radial flow channel 14. In the eddy current mixing chamber 21, the mixed liquid impacts the impeller 52 to make it rotate, so as to improve its mixing uniformity and eddy current spraying performance.

[0033] Importantly, in the present invention, the axial length of the connecting shaft 51 screwed into the threaded hole 17 can be adjusted, so that the axial position of the impeller 52 in the eddy current mixing chamber 21 can be adjusted; a end face disk 24 is arranged at the left end of the nozzle body 23. The outer peripheral surface of the end face disk 24 is in clearance fit with the inner peripheral surface of the eddy current mixing chamber 21, and the right end has a second external thread and is connected to the internal thread of the outlet section of the outlet cover body 2. The axial length of the nozzle body 23 screwed into the eddy current mixing chamber 21 can be adjusted, so that the axial position of the end face disk 24 in the eddy current mixing chamber 21 can be adjusted. It can adjust the axial position of the impeller 52 in the eddy current mixing chamber 21 (correspondingly, the impact rotation speed of the impeller 52 can be adjusted), and can adjust the volume of the eddy current mixing chamber 21. Compared with the prior art, it can more efficiently adjust and improve the mixing uniformity and eddy current spraying performance of the mixed liquid, so as to improve the cleaning effect.

[0034] The first flange 22 and the second flange 33 are connected by a plurality of screw rods 6. The middle of the screw rod 6 is a smooth shaft section, and both ends are threaded sections. Both ends of the screw rod 6 are respectively installed / fixed to the first flange 22 and the second flange 33 through the third nuts 61.

[0035] The intermediate body 1, the outlet cover body 2, the first inlet cover body 3, and the second inlet cover body 4 are generally in a cylindrical shape or a ring shape as a whole.

[0036] A cleaning system includes the above-mentioned spraying device, connecting pipeline, and pressurizing pump. The pressurizing pump is connected to the spraying device through the connecting pipeline.

[0037] An installation / forming method for a spraying device of a cleaning system is installed through the structure of the above-mentioned nozzle. Importantly, in the present invention, the left and right ends of the intermediate body 1 are respectively connected to the first inlet cover body 3 and the outlet cover body 2 through the first step portion 15 and the second step portion 16 and are fixed through the screw rod 6 and the third nut 61. The left end of the shaft cylinder section 13 penetrates through the left end face of the first inlet cover body 3 and is installed / fixed through the first nut 34. The second inlet cover body 4 is connected to the left end face of the first inlet cover body 3 through a plurality of screws 43. The right end of the nozzle body 23 has a second external thread and is connected to the internal thread of the outlet section of the outlet cover body 2, etc. It has the advantages of simple manufacturing, simple installation / dismantling and maintenance.

[0038] A cleaning system and its spraying device of the present invention can adjust the axial position of the impeller 52 in the eddy mixing chamber 21. Correspondingly, the impact rotation speed of the impeller 52 can be adjusted, and the volume of the eddy mixing chamber 21 can be adjusted. Compared with the prior art, it can more effectively adjust and improve the mixing uniformity and eddy spraying performance of the mixed liquid, thereby improving the cleaning effect.

[0039] The present invention is installed through the structure of the above spraying device. Compared with the prior art, it has the advantages of simple production, simple installation / dismantling and maintenance.

[0040] The above embodiments are illustrative of the present invention and not restrictive thereof. It can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spray device for a cleaning system, comprising a spray head, the spray head comprising an intermediate body (1), an outlet cover body (2), a first inlet cover body (3), a second inlet cover body (4), and a vortex member (5), wherein the downstream end of the intermediate body is connected to the outlet cover body, the upstream end is connected to the first inlet cover body, the upstream end of the first inlet cover body is connected to the second inlet cover body, and a vortex member is arranged between the intermediate body and the outlet cover body; characterized in that: A threaded hole (17) is provided at the center of the right end of the intermediate body, a vortex mixing chamber (21) is formed between the right end of the intermediate body and the outlet cover body, a nozzle body (23) is connected to the downstream end of the outlet cover body, the vortex component comprises a connecting shaft (51) and an impeller (52), the impeller is rotatably mounted on the connecting shaft, the connecting shaft has a first external thread, the axial length of the connecting shaft screwed into the threaded hole is adjustable, so that the axial position of the impeller in the vortex mixing chamber is adjustable; an end plate (24) is provided at the left end of the nozzle body, the outer peripheral surface of the end plate is gap-matched with the inner peripheral surface of the vortex mixing chamber, the right end has a second external thread and is connected to the internal thread of the outlet section of the outlet cover body, the axial length of the nozzle body screwed into the vortex mixing chamber is adjustable, so that the axial position of the end plate in the vortex mixing chamber is adjustable.

2. A spraying device for a cleaning system according to claim 1, characterized in that: When the axial position of the impeller is adjusted, the gap (g1) between the impeller and the right end face of the intermediate body can be adjusted; and / or, when the axial position of the end plate is adjusted, the gap (g2) between the end plate and the left end face of the outlet section of the outlet cover body can be adjusted.

3. A spraying device for a cleaning system according to claim 1, characterized in that: The intermediate body comprises an intermediate flow channel (11), a side flow channel (12), a shaft barrel section (13), a radial flow channel (14), a first step portion (15), and a second step portion (16). A plurality of side flow channels are arranged on the outer periphery of the intermediate flow channel. A plurality of shaft barrel sections are arranged on the left end of the intermediate body. The intermediate flow channel and the side flow channels are connected via a plurality of radial flow channels. The intermediate flow channel extends axially and passes through the shaft barrel section. One end of the intermediate flow channel is a through hole end, and the other end is a blind hole end. The plurality of shaft barrel sections are arranged in parallel. A first step portion is arranged on the outer periphery of the left end of the intermediate body, and is embedded and matched in the inner hole of the right end of the first inlet cover body through the first step portion. A second step portion is arranged on the outer periphery of the right end of the intermediate body, and is embedded and matched in the inner hole of the left end of the outlet cover body through the second step portion.

4. A spraying device for a cleaning system as claimed in claim 3, characterized in that: The outlet cover body comprises a vortex mixing chamber (21), a first flange (22), a nozzle body (23), and an end plate (24); the first flange is arranged on the outer periphery of the left end of the outlet cover body; the inner thread of the outlet section of the outlet cover body is threadedly connected with the second outer thread at the right end of the nozzle body; the outer peripheral surface of the end plate and the inner peripheral surface of the vortex mixing chamber are matched with a small gap.

5. A spraying device for a cleaning system as claimed in claim 4, characterized in that: One or more communication holes are provided on the end plate (24), and the communication holes are respectively connected to the left and right cavities of the end plate to adjust the pressure distribution.

6. A spraying device for a cleaning system as claimed in claim 5, characterized in that: The first inlet cover body comprises a first cavity (31) and a second flange (33); the outer peripheral surface of the first inlet cover body is connected to a first inlet pipe (32); the outer peripheral surface of the right end of the first inlet cover body is provided with a second flange; the left end of the shaft barrel section passes through the left end surface of the first inlet cover body and is installed and fixed by a first nut (34); the first inlet pipe is used for supplying water or cleaning agent.

7. A spraying device for a cleaning system as claimed in claim 6, characterized in that: The second inlet cover body comprises a second cavity (41), the outer peripheral surface of the second inlet cover body is connected to a second inlet pipe (42), the second inlet pipe is arranged in parallel with the first inlet pipe, the second inlet cover body is connected to the first inlet cover body by a plurality of screws (43), the first nut is located in the second cavity, and the second inlet pipe is used for supplying cleaning agent or water.

8. A spraying device for a cleaning system as claimed in claim 7, characterized in that: The vortex component comprises a connecting shaft (51), an impeller (52), a bearing (53), and a second nut (54); a first external thread arranged on the outer peripheral surface of the connecting shaft is threadedly connected with the threaded hole; a bearing is installed on the connecting shaft; an impeller is installed on the outer peripheral surface of the bearing so that the impeller can rotate relative to the connecting shaft under the impact of liquid; the left and right ends of the impeller respectively realize axial positioning and fixing of the bearing and the impeller through the second nut; and a conical guide portion is arranged on the right end of the connecting shaft.

9. A spraying device for a cleaning system as claimed in claim 8, characterized in that: The first flange and the second flange are connected via a plurality of screw rods (6), the middle of the screw rods is an optical axis section, and both ends are threaded sections. The two ends of the screw rods are respectively installed and fixed to the first flange and the second flange via a third nut (61).

10. A cleaning system, comprising the spray device for a cleaning system as claimed in claim 1, a connecting pipeline, and a pressure pump, wherein the pressure pump is connected to the spray device via the connecting pipeline.

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