Nozzle and dry ice cleaning machine comprising same

Abstract

The utility model provides a nozzle and a dry ice cleaning machine with the nozzle, and relates to the technical field of cleaning machines, the nozzle comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are detachably connected, the other end of the second connecting part is connected with an output pipe, the other end of the first connecting part is detachably connected with a spray pipe, and the spray pipe is connected with a nozzle. The other end of the spray pipe is detachably connected with a metal spray head, and the metal spray head is connected with a plurality of electric leads. By means of detachable connection of every two of the first connecting part, the second connecting part, the spray pipe and the metal spray head, disassembly and assembly of the spray nozzle can be rapidly completed, so that the maintenance and replacement speed of the spray nozzle can be effectively improved, in addition, the metal spray head is connected with a plurality of electric leads, static electricity passing through the spray nozzle can be guided out, the static electricity is prevented from being sprayed to a PCBA circuit board, and the service life of the PCBA circuit board is prolonged. And the practicability of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning machines, in particular to a nozzle and a dry ice cleaning machine containing the nozzle. Background Art

[0002] Dry ice cleaning machine is a type of cleaning machine. Dry ice cleaning has been developing rapidly around the world. The cleaning system uses high-pressure air to spray dry ice particles from the dry ice cleaning machine onto the working surface to be cleaned, and uses the physical reaction of temperature difference to make different substances separate at different shrinkage speeds. This causes the dirt to shrink and loosen, and then the dry ice particles will instantly vaporize and expand 800 times, generating a strong peeling force, quickly and thoroughly removing the dirt from the surface of the object, thereby achieving a fast, efficient, safe and energy-saving cleaning effect.

[0003] When the existing dry ice cleaning machine cleans the PCBA circuit board, dry ice is sprayed onto the PCBA circuit board through the pipe and nozzle. In the process of transporting dry ice particles, the dry ice particles rub against the inner wall of the pipe and nozzle to generate a large amount of static electricity. When the static electricity and the dry ice particles are sprayed onto the PCBA circuit board together, the static electricity can easily break through the PCBA circuit board, causing damage to the PCBA circuit board. Utility Model Content

[0004] The utility model provides a nozzle and a dry ice cleaning machine containing the nozzle, which are used to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model discloses a nozzle and a dry ice cleaning machine containing the nozzle, including a connecting part one and a connecting part two, the connecting part one and the connecting part two are detachably connected, the other end of the connecting part two is connected to an output pipe, the other end of the connecting part one is detachably connected to a nozzle, the other end of the nozzle is detachably connected to a metal nozzle, and the metal nozzle is connected to a plurality of conductive wires.

[0006] Preferably, an outer surface of one end of the connection part 1 is provided with an outer thread 1, and an inner surface of the connection part 2 is provided with an inner thread 1, and the connection part 1 is detachably connected to the connection part 2 through the cooperation of the outer thread 1 and the inner thread 1.

[0007] Preferably, a sealing ring 1 is arranged inside the second connection part, an output pipe is fixedly arranged on the second connection part, and an external thread 2 is arranged on the outer surface of the output pipe.

[0008] Preferably, the inner surface of the other end of the connection part 1 is provided with an internal thread 2, and the outer surface of the nozzle is provided with an external thread 3, and the connection part 1 is detachably connected to the nozzle through the cooperation of the internal thread 2 and the external thread 3.

[0009] Preferably, a retaining ring 1 is arranged in the connecting portion 1, and a sealing ring 2 is arranged on a side of the retaining ring 1 close to the internal thread 2.

[0010] Preferably, the metal nozzle comprises two symmetrically arranged metal clamping frames, channels are arranged in the two metal clamping frames, semicircular holes are arranged on the metal clamping frames, and the semicircular holes cooperate with the nozzle.

[0011] Preferably, a plurality of connection holes are also provided on the metal clamping frame, and the two metal clamping frames are snap-connected, and both metal clamping frames are connected with conductive wires.

[0012] Preferably, a dry ice cleaning machine containing the nozzle as described above comprises a machine body, a dry ice inlet is provided on the machine body, a working box is provided on the front side of the machine body, a cleaning inlet is provided on the working box, a metal hose is provided in the working box, the nozzle is connected to the metal hose, a conductive mounting plate is also provided in the working box, and a conductive column is also provided on the machine body.

[0013] Preferably, a fixed pulley block is installed on the upper side wall of the working box, a square hole is opened on the rear side wall of the working box, the metal hose passes through the square hole and is connected to the machine body, the metal hose is wound around the fixed pulley block, an internal thread three is arranged in the metal hose, the output pipe is connected to the metal hose through the cooperation of external thread two and internal thread three, the outer surface of the metal hose is also covered with a protective pad, the conductive wire is arranged in the protective pad, and the other end of the conductive wire is connected to the machine body.

[0014] Preferably, a plurality of gear trains are also installed at the lower end of the machine body.

[0015] Compared with the prior art, the utility model provides a nozzle and a dry ice cleaning machine including the nozzle. Through the detachable connection of the connection part one, the connection part two, the nozzle pipe and the metal nozzle head, the nozzle can be quickly disassembled and assembled, thereby effectively improving the maintenance and replacement rate of the nozzle; in addition, a plurality of conductive wires are connected to the metal nozzle head, and the static electricity passing through the pipe and the nozzle can be conducted out, thereby preventing the static electricity from being sprayed onto the PCBA circuit board, effectively avoiding the static electricity from damaging the PCBA circuit board, and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the nozzle of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the metal nozzle of the utility model;

[0019] Figure 3 For the utility model Figure 1A magnified view of some structures;

[0020] Figure 4 This is a schematic diagram of the structure of the dry ice cleaning machine of the utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the working box of the utility model;

[0022] Figure 6 It is a schematic structural diagram of the metal hose of the utility model.

[0023] In the figure: 1. metal nozzle; 2. nozzle; 3. connection part 1; 4. connection part 2; 5. output pipe; 6. connection hole; 7. metal clamping frame; 8. external thread 3; 9. sealing ring 2; 10. internal thread 1; 11. external thread 2; 12. sealing ring 1; 13. external thread 1; 14. retaining ring 1; 15. internal thread 2; 16. conductive wire; 17. metal hose; 18. protective pad; 19. internal thread 3; 20. machine body; 21. dry ice inlet; 22. conductive mounting plate; 23. working box; 24. cleaning inlet; 25. gear train; 26. fixed pulley block; 27. square hole. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0026] Example 1

[0027] The embodiment of the utility model provides a nozzle, such as Figure 1-3As shown, it includes a connecting part 1 3 and a connecting part 2 4, the connecting part 1 3 and the connecting part 2 4 are detachably connected, the other end of the connecting part 2 4 is connected to an output tube 5, the other end of the connecting part 1 3 is detachably connected to a nozzle 2, the other end of the nozzle 2 is detachably connected to a metal nozzle 1, and a plurality of conductive wires 16 are connected to the metal nozzle 1.

[0028] The working principle and beneficial effects of the above technical solution are as follows: by detachably connecting the connection part 1 3, the connection part 2 4, the nozzle 2 and the metal nozzle 1 in pairs, a nozzle can be formed. When the static electricity generated by the dry ice through a series of transportation and friction with the pipeline wall, and the dry ice passes through the nozzle together, the conductive wire 16 on the nozzle will conduct the static electricity away; by detachably connecting the connection part 1 3, the connection part 2 4, the nozzle 2 and the metal nozzle 1 in pairs, the nozzle can be quickly disassembled and assembled, thereby effectively improving the maintenance and replacement rate of the nozzle; in addition, a number of conductive wires 16 are connected to the metal nozzle 1, which can conduct the static electricity passing through the nozzle, thereby preventing static electricity from being sprayed onto the PCBA circuit board, effectively avoiding static electricity from damaging the PCBA circuit board, and improving the practicality of the device.

[0029] Example 2

[0030] On the basis of the above-mentioned embodiment 1, Figure 1-3 As shown, an outer surface of one end of the connection part 1 3 is provided with an external thread 13, and an inner surface of the connection part 2 4 is provided with an internal thread 10. The connection part 1 3 is detachably connected to the connection part 2 4 through the cooperation of the external thread 13 and the internal thread 10.

[0031] Preferably, a sealing ring 12 is provided inside the second connection part 4 , an output pipe 5 is fixedly provided on the second connection part 4 , and an external thread 11 is provided on the outer surface of the output pipe 5 .

[0032] Among them, preferably, the inner surface of the other end of the connecting part 1 3 is provided with an internal thread 2 15, and the outer surface of the nozzle 2 is provided with an external thread 3 8, and the connecting part 1 3 is detachably connected to the nozzle 2 through the cooperation of the internal thread 2 15 and the external thread 3 8.

[0033] Preferably, a retaining ring 14 is provided in the connecting portion 13 , and a sealing ring 2 9 is provided on a side of the retaining ring 14 close to the internal thread 2 15 .

[0034] The working principle and beneficial effects of the above technical solution are as follows: through the cooperation of the external thread 13 and the internal thread 10, the connection part 13 and the connection part 2 4 can be connected, and through the cooperation of the internal thread 2 15 and the external thread 3 8, the connection part 1 3 and the nozzle 2 can be connected, and the sealing ring 12 and the sealing ring 2 9 can prevent small dry ice particles from flowing out of the gap. Through the threaded connection, the various components of the nozzle can be quickly connected. When any component is damaged or has a connection problem, it can be quickly replaced, which effectively improves the practicability and speed of the device.

[0035] Example 3

[0036] On the basis of the above-mentioned embodiments 1-2, Figure 1-3 As shown, the metal nozzle 1 includes two symmetrically arranged metal clamping frames 7 , channels are arranged in the two metal clamping frames 7 , and semicircular holes are arranged on the metal clamping frames 7 , which match with the nozzle 2 .

[0037] Preferably, a plurality of connection holes 6 are provided on the metal clamping frame 7 , and the two metal clamping frames 7 are snap-connected, and the two metal clamping frames 7 are both connected with conductive wires 16 .

[0038] The working principle and beneficial effects of the above technical solution are as follows: the metal nozzle 1 can be quickly formed by the snap connection between the two metal clamping frames 7, and the semicircular hole on the metal clamping frame 7 will form a circular hole after the two metal clamping frames 7 are buckled together, and this circular hole will clamp the column nozzle 2 (a water retaining ring or a sealing ring can be provided at this time to prevent dry ice particles from leaking out), thereby completing the detachable connection between the metal nozzle 1 and the nozzle 2, and the connection is faster and more stable;

[0039] When dry ice enters the two metal clamping frames 7 through the nozzle 2, the dry ice passes through the channel and then is sprayed onto the PCBA circuit board. When the dry ice enters the two metal clamping frames 7, the conductive wire 16 will conduct static electricity, thereby preventing static electricity from being sprayed onto the PCBA circuit board, effectively improving the practicality and functionality of the device.

[0040] Example 4

[0041] This embodiment provides a dry ice cleaning machine including the nozzle as described above. Figure 4-6 As shown, it includes a body 20, a dry ice inlet 21 is provided on the body 20, a working box 23 is provided on the front side of the body 20, a cleaning inlet 24 is provided on the working box 23, a metal hose 17 is provided in the working box 23, a nozzle is connected to the metal hose 17, a conductive mounting plate 22 is also provided in the working box 23, and a conductive column is also provided on the body 20.

[0042] Among them, preferably, a fixed pulley block 26 is installed on the upper side wall of the working box 23, a square hole 27 is opened on the rear side wall of the working box 23, the metal hose 17 passes through the square hole 27 and is connected with the body 20, the metal hose 17 is wound around the fixed pulley block 26, an internal thread three 19 is arranged in the metal hose 17, the output pipe 5 is connected to the metal hose 17 through the cooperation of the external thread two 11 and the internal thread three 19, the outer surface of the metal hose 17 is also covered with a protective pad 18, the conductive wire 16 is arranged in the protective pad 18, and the other end of the conductive wire 16 is connected to the body 20.

[0043] Preferably, a plurality of gear trains 25 are also installed at the lower end of the machine body 20 .

[0044] The working principle and beneficial effects of the above technical solution are as follows: by the cooperation between the external thread 11 on the outer surface of the output tube 5 and the internal thread 19 inside the metal hose 17, the output tube 5 can be quickly connected to the metal hose 17 (a water retaining ring or a sealing ring can also be provided in the metal hose 17 to prevent dry ice particles from leaking out), and the conductive wire 16 is provided in the protective pad 18, so that the conductive wire 16 can be encapsulated to reduce the possibility of damage to the conductive wire 16, and the metal hose 17 is wound around the fixed pulley set 26, so that the metal hose 17 can be easily moved, so that the spray range of the nozzle is wider and the cleaning quality is higher.

[0045] Afterwards, dry ice is put into the machine body 20 through the dry ice inlet 21, and the PCBA circuit board is placed on the conductive mounting plate 22 in the working box 23 through the cleaning inlet 24 (when the PCBA circuit board is being cleaned, the conductive mounting plate 22 can conduct the static electricity on the PCBA circuit board to further prevent the PCBA circuit board from being damaged by static electricity). Then, the dry ice will be sprayed onto the PCBA circuit board through the metal hose 17 and the nozzle. The conductive mounting plate 22 and the conductive wire 16 can quickly conduct the static electricity to prevent the static electricity from damaging the PCBA circuit board. A plurality of gear trains 25 are provided to quickly move the dry ice cleaning machine, making it more convenient to use.

[0046] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. If these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A nozzle, characterized in that: The invention comprises a first connection part (3) and a second connection part (4), wherein the first connection part (3) and the second connection part (4) are detachably connected, the other end of the second connection part (4) is connected to an output pipe (5), the other end of the first connection part (3) is detachably connected to a nozzle (2), the other end of the nozzle (2) is detachably connected to a metal nozzle (1), and the metal nozzle (1) is connected to a plurality of conductive wires (16).

2. A nozzle according to claim 1, characterized in that: An outer surface of one end of the connection part 1 (3) is provided with an outer thread 1 (13), and an inner surface of the connection part 2 (4) is provided with an inner thread 1 (10). The connection part 1 (3) is detachably connected to the connection part 2 (4) through the cooperation between the outer thread 1 (13) and the inner thread 1 (10).

3. A nozzle according to claim 2, characterized in that: A sealing ring (12) is arranged inside the second connecting part (4), an output pipe (5) is also fixedly arranged on the second connecting part (4), and an external thread (11) is arranged on the outer surface of the output pipe (5).

4. A nozzle according to claim 2, characterized in that: The inner surface of the other end of the connection part 1 (3) is provided with an internal thread 2 (15), and the outer surface of the nozzle (2) is provided with an external thread 3 (8). The connection part 1 (3) is detachably connected to the nozzle (2) through the cooperation between the internal thread 2 (15) and the external thread 3 (8).

5. A nozzle according to claim 4, characterized in that: A retaining ring (14) is arranged inside the connecting portion (3), and a sealing ring (9) is arranged on one side of the retaining ring (14) close to the internal thread (15).

6. A nozzle according to claim 1, characterized in that: The metal nozzle (1) comprises two symmetrically arranged metal clamping frames (7), channels are arranged in the two metal clamping frames (7), and semicircular holes are arranged on the metal clamping frames (7), and the semicircular holes are matched with the nozzle (2).

7. A nozzle according to claim 6, characterized in that: The metal clamping frame (7) is also provided with a plurality of connection holes (6), and the two metal clamping frames (7) are connected by snapping, and the two metal clamping frames (7) are both connected with conductive wires (16).

8. A dry ice cleaning machine comprising a nozzle as claimed in any one of claims 1 to 7, characterized in that: The invention comprises a machine body (20), a dry ice inlet (21) is provided on the machine body (20), a working box (23) is provided on the front side of the machine body (20), a cleaning inlet (24) is provided on the working box (23), a metal hose (17) is provided in the working box (23), a nozzle is connected to the metal hose (17), a conductive mounting plate (22) is also provided in the working box (23), and a conductive column is also provided on the machine body (20).

9. The dry ice cleaning machine according to claim 8, characterized in that: A fixed pulley block (26) is installed on the upper side wall of the working box (23), a square hole (27) is opened on the rear side wall of the working box (23), a metal hose (17) passes through the square hole (27) and is connected with the machine body (20), the metal hose (17) is wound on the fixed pulley block (26), a third internal thread (19) is arranged in the metal hose (17), the output pipe (5) is connected with the metal hose (17) through the cooperation of the second external thread (11) and the third internal thread (19), the outer surface of the metal hose (17) is also covered with a protective pad (18), the conductive wire (16) is arranged in the protective pad (18), and the other end of the conductive wire (16) is connected with the machine body (20).

10. The dry ice cleaning machine according to claim 8, characterized in that: A plurality of gear trains (25) are also installed at the lower end of the machine body (20).

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