CN220941641U - Anti-disturbance structure for ultrasonic cleaning device - Google Patents

Abstract

The utility model relates to the field of ultrasonic cleaning, in particular to an anti-disturbance structure for an ultrasonic cleaning device, which comprises a cleaning tank assembly, wherein a piezoelectric ceramic piece is fixed on the cleaning tank assembly, a contact pin port is fixed and communicated with the upper end of the cleaning tank assembly, and a liquid inlet and a liquid outlet are respectively fixed and communicated with the upper end and the lower end of the cleaning tank assembly; the piezoelectric ceramic piece is connected with the ultrasonic generator through cable connecting wires in a conducting way; the upper end of the cleaning tank assembly is communicated with a pin opening, a sample pin is inserted into the pin opening, and a baffle plate and a needle fixing valve for stabilizing the sample pin are arranged in the cleaning tank assembly; the utility model has the beneficial effects that the problem that the cleaning effect and the depth of the cleaning tank cannot be considered can be solved, and the higher the liquid level is, the weaker the cleaning effect is; the ultrasonic cleaning disturbance resisting structure is not provided.

Description

Anti-disturbance structure for ultrasonic cleaning device

Technical Field

The utility model relates to the field of ultrasonic cleaning, in particular to an anti-disturbance structure for an ultrasonic cleaning device.

Background

Ultrasonic cleaning is to utilize cavitation, acceleration and direct flow of ultrasonic wave in liquid to directly and indirectly disperse, emulsify and strip dirt layer to clean the dirt. The ultrasonic cleaner mainly comprises an ultrasonic cleaning tank and an ultrasonic generator. The ultrasonic cleaning tank is made of high-quality stainless steel with good firmness and elasticity and corrosion resistance, and the bottom of the ultrasonic cleaning tank is provided with an ultrasonic transducer vibrator; the ultrasonic generator generates high-frequency high-voltage, the high-frequency high-voltage is transmitted to the energy converter through the cable connecting wire, and the energy converter and the vibrating plate generate high-frequency resonance together, so that the solvent in the cleaning tank is cleaned by ultrasonic wave; generally, the cleaned object is vertically placed, the sample needle cannot be transversely or obliquely arranged in the cleaning process, the depth of the cleaning tank body is mainly considered, water always flows downwards, and the upper half part is easy to be cleaned; the traditional ultrasonic cleaning device only can install the transducer at the bottom of the cleaning tank, the sample needle is positioned at the upper half part of the water level, so that the cleaning is easy, and dirt is not easy to discharge;

Such as the sample needle cleaning device of patent number CN 201520736064.8. The upper end face of the cleaning column is respectively provided with a first overflow groove inclining towards the first overflow cavity along the side wall of the first cleaning cavity and a second overflow groove inclining towards the second overflow cavity along the second cleaning cavity. The utility model respectively carries out alkali washing and water washing on the inner cavity and the outer wall of the sample needle, does not splash liquid and drain liquid smoothly in the cleaning process, and has good cleaning effect;

therefore, the traditional cleaning and ultrasonic cleaning have the defects that the cleaning effect and the depth of a cleaning tank cannot be considered, and the higher the liquid level is, the weaker the cleaning effect is; the ultrasonic cleaning disturbance resisting structure is not provided.

Disclosure of utility model

Therefore, the utility model aims to solve the technical problems that in the prior art, the cleaning effect and the depth of a cleaning tank cannot be considered, and the higher the liquid level is, the weaker the cleaning effect is; the ultrasonic cleaning disturbance resisting structure is not provided.

The anti-disturbance structure for the ultrasonic cleaning device comprises a cleaning tank assembly, wherein a piezoelectric ceramic piece is fixed on the cleaning tank assembly, a contact pin port is fixed and communicated with the upper end of the cleaning tank assembly, and a liquid inlet and a liquid outlet are respectively fixed and communicated with the upper end and the lower end of the cleaning tank assembly; the piezoelectric ceramic piece is connected with the ultrasonic generator through cable connecting wires in a conducting way; the upper end of the cleaning tank assembly is communicated with a contact pin opening, a sample pin is inserted into the contact pin opening, and a baffle plate and a needle fixing valve for stabilizing the sample pin are arranged in the cleaning tank assembly.

Preferably, a cleaning tank is formed between the cleaning tank assembly and the piezoelectric ceramic piece, the cleaning tank assembly comprises a top cover and a bottom cover, the piezoelectric ceramic piece is fixed between the top cover and the bottom cover, a liquid inlet and a pin opening are communicated with the top cover, and a diversion surface is arranged at the upper end of the inner wall of the top cover.

Preferably, the lower end of the bottom cover is communicated with a liquid outlet, the outer walls of the top cover and the bottom cover are both provided with positioning buckles, and the piezoelectric ceramic piece is fixed between the two positioning buckles; the lower end of the inner wall of the bottom cover is provided with a flow guide surface.

Preferably, a baffle is arranged in the bottom cover, a plurality of liquid passing holes are formed in the baffle, a needle penetrating hole is formed in the center of the baffle, a needle fixing valve is inserted in the needle penetrating hole, and two ends of the needle fixing valve are inserted in the baffle.

Preferably, a plurality of limiting slots are uniformly arranged on the baffle plate, and a needle positioning valve is inserted in each limiting slot in a limiting manner.

Preferably, the needle fixing valve comprises a wrapping needle fixing sleeve and a spring shaft, the wrapping needle fixing sleeve is inserted into the needle penetrating hole, the side end of the wrapping needle fixing sleeve is uniformly fixed with a plurality of spring shafts, the wrapping needle fixing sleeve is inserted into the limiting slot through the spring shaft, and a spring on the spring shaft is arranged between the wrapping needle fixing sleeve and the baffle.

Preferably, the inner wall of the wrapping needle fixing sleeve is made of flexible materials, and the needle tip of the sample needle is attached to the inner wall of the wrapping needle fixing sleeve.

Preferably, the outer wall of the contact pin opening is fixedly provided with a pressing device for fixing the sample pin in a propping mode.

Preferably, the compactor comprises a supporting seat, a side adding table, an adjusting bolt and an extrusion cap, wherein the supporting seat is fixed on the outer wall of the contact pin opening, the side adding table is hinged on the supporting seat through a rotating shaft, the side adding table is connected with the adjusting bolt through threaded fit, and the extrusion cap is fixed at the lower end of the adjusting bolt.

Preferably, the extrusion cap is arranged at the upper end of the sample needle in an extrusion buckling manner.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic overall construction of the present utility model;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the top cover of the present utility model;

FIG. 4 is a schematic cross-sectional structure of the bottom cover of the present utility model;

FIG. 5 is a schematic view of the structure of the fixed needle valve connection of the present utility model;

FIG. 6 is a schematic view of the structure of the needle positioning valve of the present utility model;

FIG. 7 is a schematic view of the structure of the baffle plate of the present utility model;

fig. 8 is a schematic structural view of the impactor of the utility model.

In the figure: a cleaning tank assembly 1; a piezoelectric ceramic member 2; a liquid outlet 3; a guide surface 4; a liquid inlet 5; a pin opening 6; a sample needle 7; a top cover 8; a needle positioning valve 9; a baffle 10; a bottom cover 11; a compactor 12; wrapping the needle fixing sleeve 13; a spring shaft 14; a liquid passing hole 15; a needle penetration hole 16; a support base 17; a side adding stage 18; an adjusting bolt 19; the cap 20 is pressed.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "intermediate," "top," "bottom," "inner," "outer," and the like are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In addition, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like should be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The first embodiment is as follows:

As shown in fig. 1-8, an anti-interference structure for an ultrasonic cleaning device comprises a cleaning tank assembly 1, wherein a piezoelectric ceramic piece 2 is fixed on the cleaning tank assembly 1, a contact pin port 6 is fixed and communicated with the upper end of the cleaning tank assembly 1, and a liquid inlet 5 and a liquid outlet 3 are respectively fixed and communicated with the upper end and the lower end of the cleaning tank assembly 1; the piezoelectric ceramic piece 2 is connected with an ultrasonic generator through cable connecting wires in a conducting way; the upper end of the cleaning tank assembly 1 is communicated with a pin opening 6, a sample pin 7 is inserted into the pin opening 6, and a baffle 10 for stabilizing the sample pin 7 and a needle fixing valve 9 are arranged in the cleaning tank assembly 1; the cleaning tank is formed between the cleaning tank assembly 1 and the piezoelectric ceramic piece 2, the cleaning tank assembly 1 comprises a top cover 8 and a bottom cover 11, the piezoelectric ceramic piece 2 is fixed between the top cover 8 and the bottom cover 11, a liquid inlet 5 and a pin port 6 are communicated with each other on the top cover 8, and a flow guide surface 4 is arranged at the upper end of the inner wall of the top cover 8.

The working principle and beneficial effects of the embodiment are as follows: the piezoelectric ceramic piece 2 is connected with an ultrasonic generator through cable connecting wires for ultrasonic emission;

The piezoelectric ceramic element 2 may be circular, square, polygonal, etc., and is not limited in shape; in order to ensure the circumferential vibration mode of the piezoelectric ceramic piece 2 by combining the shape characteristics of the piezoelectric ceramic piece 2, ultrasonic waves are emitted along the circumferential direction by 360 degrees and act on the surface of the sample needle 7 in an almost vertical mode for use, the inner wall of the piezoelectric ceramic piece 2 is circular, the cleaning tank assembly 1 can be selectively selected for use in a circular metal tube mode according to practical conditions, the inner wall of the piezoelectric ceramic piece 2 is square or polygonal, the cleaning tank assembly 1 is necessarily selected for use in a circular metal tube mode, and the effect is more fit;

if the inner wall of the piezoelectric ceramic piece 2 is circular, a mode of dividing the cleaning tank assembly 1 into a top cover 8 and a bottom cover 11 and a mode of forming the cleaning tank by the piezoelectric ceramic piece 2 can be selected, the ultrasonic circumferential vibration mode is carried out through the inner wall of the piezoelectric ceramic piece 2, and the ultrasonic is emitted along the circumferential direction of 360 degrees and acts on the surface of the sample needle 7 in a nearly vertical mode for use;

The piezoelectric ceramic piece 2 is connected with an ultrasonic generator through cable connecting wires for ultrasonic emission; the core of the scheme of the embodiment is that the circumferential piezoelectric ceramic piece 2 is combined with the tubular cleaning tank, and meanwhile, the traditional scouring cleaning and ultrasonic cleaning are combined efficiently, and the structures of the top cover 8 and the bottom cover 11 are optimally designed. Firstly, the circumferential vibration mode of the piezoelectric ceramic piece 2 is adopted, so that ultrasonic vibration cannot be obviously distinguished along with different liquid levels, namely, uniformity of a sound field is guaranteed, the inner surface of the piezoelectric ceramic piece 2 directly acts on cleaning liquid, and cleaning is more efficient. Ultrasound is emitted in 360 ° in the circumferential direction and acts on the surface of the sample needle 7 in a nearly vertical manner, which is more effective for cleaning the inner and outer walls of the sample needle 7; secondly, the top cover 8 is designed in such a way that liquid can be fed into the inner wall and the outer wall simultaneously, and only one way can be adopted to clean the sample needle 7, and the flow direction of cleaning liquid is nearly vertical to the ultrasonic direction, so that the influence of the flow rate on the ultrasonic cleaning effect can be reduced to the greatest extent. The top cover 8 is provided with the liquid guiding surface 4, so that the liquid entering from the liquid inlet 5 can flow down along the surface of the sample needle 7, and meanwhile, the cleaning liquid cannot overflow from the needle inlet 6 due to the pipe orifice. Finally, the bottom cover 11 of the cleaning pool is optimally designed, a baffle plate 10 containing a needle fixing valve 9 is arranged on the bottom cover 11, a plurality of liquid passing holes 13 are distributed on the baffle plate 10, the effect of the baffle plate is to quickly weaken the flow velocity of liquid sprayed out of the inner wall of the needle, and the liquid flows back to the upper part of the piezoelectric ceramic piece 2 at a slower speed, so that the stability of the liquid during ultrasonic cleaning is ensured. The needle positioning valve 9 is used for positioning, so that the needle point can pass through the baffle, the positioning valve 9 can be made of a material with better elasticity, and when the needle point passes through, the circumferential seal can be automatically formed, so that the liquid can be prevented from flowing back from the needle penetrating hole quickly; the bottom of the bottom cover 11 is provided with a liquid outlet 3, a diversion surface 4 is designed at the same time, and the diameter of the pool opening is larger, so that the cleaning liquid and the cleaning dirt can be discharged without dead angles, and the cleaning cleanliness is ensured; thereby realizing the ultrasonic cleaning of the slender needle-shaped article by adopting the circumferential ultrasonic; the effective combination of the traditional cleaning and the ultrasonic cleaning is adopted; the structural design of the baffle 10 and the positioning valve 9 effectively forms circumferential sealing to prevent the liquid from flowing back from the needle through hole; the structural design of the liquid guiding surface 4 of the bottom cover 11 of the top cover 8 enables the flow velocity of liquid sprayed out of the inner wall of the needle to be rapidly weakened, and the liquid flows back to the upper part of the piezoelectric ceramic piece 2 at a slower speed, so that the stability of the liquid during ultrasonic cleaning is ensured; meanwhile, the cleaning of sample needles with different lengths can be satisfied; the inner wall and the outer wall of the sample needle 7 can be cleaned by scouring and ultrasonic cleaning, so that the cleaning effect is better;

no dirt and residual liquid remain in the cleaning tank, and the cleaning cleanliness is ensured

Meanwhile, ultrasonic waves and the disturbance added by spraying liquid exist in the cleaning process, the ultrasonic cleaning can be influenced by ordinary spraying cleaning, the baffle 10 and the needle fixing valve 9 are added at the bottom to resist the disturbance in the sample needle cleaning process, the mode of spraying cleaning and ultrasonic cleaning can be combined to work simultaneously, and the cleaning effect is better.

The second embodiment is as follows:

As shown in fig. 1-8, in an anti-interference structure for an ultrasonic cleaning device, a liquid outlet 3 is communicated with the lower end of a bottom cover 11, positioning buckles are arranged on the outer walls of a top cover 8 and the bottom cover 11, and a piezoelectric ceramic piece 2 is fixed between the two positioning buckles; the lower end of the inner wall of the bottom cover 11 is provided with a diversion surface 4.

The working principle and beneficial effects of the embodiment are as follows: the outer walls of the top cover 8 and the bottom cover 11 are respectively provided with a positioning buckle which is convenient for positioning and fixing the piezoelectric ceramic piece 2 and preventing the piezoelectric ceramic piece from falling off in the vibration process; the lower end of the inner wall of the bottom cover 11 is provided with the flow guide surface 4, so that no dead angle exists.

And a third specific embodiment:

As shown in fig. 1-8, in an anti-interference structure for an ultrasonic cleaning device, a baffle plate 10 is disposed in a bottom cover 11, a plurality of liquid passing holes 15 are disposed on the baffle plate 10, a needle penetrating hole 16 is disposed at the center of the baffle plate 10, a needle fixing valve 9 is inserted into the needle penetrating hole 16, and two ends of the needle fixing valve 9 are inserted into the baffle plate 10.

The working principle and beneficial effects of the embodiment are as follows: a plurality of liquid passing holes 13 are distributed on the baffle 10, and the baffle is used for rapidly weakening the flow velocity of liquid sprayed out of the inner wall of the needle and refluxing the liquid to the upper part of the piezoelectric ceramic piece 2 at a slower speed so as to ensure the stability of the liquid during ultrasonic cleaning; the needle positioning valve 9 is used for positioning, so that the needle point can pass through the baffle, the inner wall of the needle positioning valve 9 can be made of a material with better elasticity, and the needle point can automatically form circumferential seal when passing through, so that the liquid can be prevented from rapidly flowing back from the needle penetrating hole.

The specific embodiment IV is as follows:

As shown in fig. 1-8, in an anti-interference structure for an ultrasonic cleaning device, a plurality of limiting slots are uniformly arranged on a baffle 10, and a needle positioning valve 9 is inserted in each limiting slot in a limiting manner; the needle fixing valve 9 comprises a wrapping needle fixing sleeve 13 and a spring shaft 14, the wrapping needle fixing sleeve 13 is inserted into a needle penetrating hole 16, a plurality of spring shafts 14 are uniformly fixed at the side end of the wrapping needle fixing sleeve 13, the wrapping needle fixing sleeve 13 is inserted into a limiting slot through the spring shaft 14, and a spring on the spring shaft 14 is arranged between the wrapping needle fixing sleeve 13 and the baffle 10;

The inner wall of the wrapping needle fixing sleeve 13 is made of flexible materials, and the needle tip of the sample needle 7 is attached to the inner wall of the wrapping needle fixing sleeve 13;

The working principle and beneficial effects of the embodiment are as follows: the baffle 10 is provided with a plurality of limiting slots which are uniformly arranged, so that the spring shaft 14 on the needle fixing valve 9 is longitudinally inserted, the length of the needle fixing sleeve 13 is conveniently extended, the needle fixing sleeve 13 is inserted into the needle penetrating hole 16 to fix the transverse position, the deviation is prevented, the needle fixing sleeve 13 is inserted into the limiting slots through the spring shafts 14, the longitudinal extension is further facilitated, the needle fixing sleeve 13 is matched with the sample needles 7 with different lengths, the spring on the spring shaft 14 is arranged between the needle fixing sleeve 13 and the baffle 10, the needle fixing sleeve 13 extends upwards in the needle penetrating hole 16 to reset, and the spring on the spring shaft 14 is downwards pressed after the sample needles 7 with different lengths are inserted, so that the effect of fixing the sample needles 7 with different lengths can be realized.

Fifth embodiment:

As shown in fig. 1-8, an anti-interference structure for an ultrasonic cleaning device is provided, wherein a presser 12 for tightly pressing and fixing a sample needle 7 is fixed on the outer wall of the pin opening 6; the packer 12 comprises a supporting seat 17, a side adding table 18, an adjusting bolt 19 and an extrusion cap 20, wherein the supporting seat 17 is fixed on the outer wall of the contact pin opening 6, the supporting seat 17 is hinged with the side adding table 18 through a rotating shaft, the side adding table 18 is connected with the adjusting bolt 19 through screw thread fit, and the lower end of the adjusting bolt 19 is fixedly provided with the extrusion cap 20; the extrusion cap 20 is extrusion-buckled on the upper end of the sample needle 7.

The working principle and beneficial effects of the embodiment are as follows: in order to guarantee the effect that sample needles 7 of different lengths are fixed, a pressing device 12 is added to be matched with a fixed needle valve 9 which is used in an extending mode, a spring on a reset spring shaft 14 is arranged on the fixed needle valve 9, the sample needles 7 cannot be automatically pressed downwards after being inserted into a cleaning tank, the sample needles 7 with proper lengths are located in the cleaning tank, one ends of side adding platforms 18 are hinged to a supporting seat 17 and a contact pin opening 6 through a rotating shaft, the side adding platforms 18 are lifted up through adjusting bolts 19 and extrusion caps 20, the added sample needles 7 are aligned, the extrusion caps 20 are adjusted through rotating the adjusting bolts 19, and then the spring shaft 14 is pressed downwards through the extrusion sample needles 7, so that the sample needles 7 with different lengths are located in proper cleaning positions after being in a fixed position, and the cleaning positions are matched with the cleaning range of a cleaning device.

The above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, as variations, modifications, additions or substitutions within the spirit and scope of the utility model as disclosed in the accompanying claims.

Claims (10)

1. An anti-interference structure for an ultrasonic cleaning device, which is characterized in that: the cleaning tank comprises a cleaning tank assembly (1), wherein a piezoelectric ceramic piece (2) is fixed on the cleaning tank assembly (1), a contact pin opening (6) is fixed and communicated with the upper end of the cleaning tank assembly (1), and a liquid inlet (5) and a liquid outlet (3) are respectively fixed and communicated with the upper end and the lower end of the cleaning tank assembly (1); the piezoelectric ceramic piece (2) is connected with the ultrasonic generator through cable connecting wires in a conducting way; the upper end of the cleaning tank assembly (1) is communicated with a pin opening (6), a sample pin (7) is inserted into the pin opening (6), and a baffle (10) and a needle fixing valve (9) for stabilizing the sample pin (7) are arranged in the cleaning tank assembly (1).

2. An anti-interference structure for an ultrasonic cleaning apparatus according to claim 1, characterized in that: the cleaning tank is characterized in that a cleaning tank is formed between the cleaning tank assembly (1) and the piezoelectric ceramic piece (2), the cleaning tank assembly (1) comprises a top cover (8) and a bottom cover (11), the piezoelectric ceramic piece (2) is fixed between the top cover (8) and the bottom cover (11), a liquid inlet (5) and a pin opening (6) are formed in the top cover (8) in a communicating mode, and a flow guide surface (4) is formed in the upper end of the inner wall of the top cover (8).

3. An anti-interference structure for an ultrasonic cleaning apparatus according to claim 2, characterized in that: the lower end of the bottom cover (11) is communicated with a liquid outlet (3), the outer walls of the top cover (8) and the bottom cover (11) are provided with positioning buckles, and the piezoelectric ceramic piece (2) is fixed between the two positioning buckles; the lower end of the inner wall of the bottom cover (11) is provided with a guide surface (4).

4. An anti-interference structure for an ultrasonic cleaning apparatus according to claim 2, characterized in that: baffle (10) are arranged in the bottom cover (11), a plurality of liquid passing holes (15) are formed in the baffle (10), a needle penetrating hole (16) is formed in the center of the baffle (10), a needle fixing valve (9) is arranged in the needle penetrating hole (16) in an inserted mode, and two ends of the needle fixing valve (9) are inserted into the baffle (10).

5. The disturbance-rejection structure for an ultrasonic cleaning device according to claim 4, wherein: the baffle (10) is uniformly provided with a plurality of limiting slots, and a needle positioning valve (9) is inserted in each limiting slot in a limiting manner.

6. The disturbance-rejection structure for an ultrasonic cleaning device according to claim 5, wherein: the needle fixing valve (9) comprises a wrapping needle fixing sleeve (13) and a spring shaft (14), the wrapping needle fixing sleeve (13) is inserted into a needle penetrating hole (16), a plurality of spring shafts (14) are uniformly fixed at the side ends of the wrapping needle fixing sleeve (13), the wrapping needle fixing sleeve (13) is inserted into a limiting slot through the spring shaft (14), and a spring on the spring shaft (14) is arranged between the wrapping needle fixing sleeve (13) and the baffle (10).

7. The disturbance-rejection structure for an ultrasonic cleaning device according to claim 6, wherein: the inner wall of the wrapping needle fixing sleeve (13) is made of flexible materials, and the needle tip of the sample needle (7) is attached to the inner wall of the wrapping needle fixing sleeve (13).

8. An anti-interference structure for an ultrasonic cleaning apparatus according to claim 1, characterized in that: the outer wall of the contact pin opening (6) is fixedly provided with a pressing device (12) for fixing the sample pin (7) in a pressing mode.

9. The anti-interference structure for an ultrasonic cleaning apparatus according to claim 8, wherein: the packer (12) comprises a supporting seat (17), a side adding table (18), an adjusting bolt (19) and an extrusion cap (20), wherein the supporting seat (17) is fixed on the outer wall of the contact pin opening (6), the supporting seat (17) is hinged with the side adding table (18) through a rotating shaft, the side adding table (18) is connected with the adjusting bolt (19) through threaded fit, and the extrusion cap (20) is fixed at the lower end of the adjusting bolt (19).

10. The anti-interference structure for an ultrasonic cleaning apparatus according to claim 9, wherein: the extrusion cap (20) is extruded and buckled at the upper end of the sample needle (7).