CN113145563A

CN113145563A - Ultrasonic transducer for cleaning hollow needle tube

Info

Publication number: CN113145563A
Application number: CN202110327296.8A
Authority: CN
Inventors: 陈鑫宏; 王冲杰; 吴国栋; 林雨标
Original assignee: Guangdong Gt Ultrasonic Co ltd
Current assignee: Guangdong Gt Ultrasonic Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-07-23

Abstract

The invention relates to an ultrasonic transducer for cleaning a hollow needle tube, which comprises a connecting piece, wherein a front cover plate, a piezoelectric assembly and a rear cover plate which are mutually compressed are sequentially sleeved on the connecting piece; the front cover plate comprises a mounting groove for inserting the hollow needle tube; the piezoelectric component comprises at least one piezoelectric ceramic piece and at least two electrode plates, and the electrode plates are arranged on two sides of the piezoelectric ceramic piece respectively. The ultrasonic transducer does not need to be installed at the bottom of the cleaning tank, can be directly connected with the hollow needle tube for use, cannot weaken vibration energy, and can effectively clean the inner cavity of the hollow needle tube.

Description

Ultrasonic transducer for cleaning hollow needle tube

Technical Field

The invention relates to the field of ultrasonic transducers, in particular to an ultrasonic transducer for cleaning a hollow needle tube.

Background

The existing ultrasonic cleaning machine mostly adopts a mode of combining a transducer and a cleaning tank, the transducer is placed at the bottom of the cleaning tank by a mechanical or physical connection method, and the interior of the cleaning tank is used for ultrasonic cleaning. When in cleaning, the cleaned objects are needed to be detached and put into the cleaning tank, so that the cleaning is inconvenient. For some machine parts which are difficult to disassemble, ultrasonic cleaning is difficult to realize; on the other hand, in the common ultrasonic cleaning machine on the market, the ultrasonic cavitation effect of the transducer on the cleaning solution in the cleaning tank is used for cleaning the surface of the part, and for a hollow container with a certain wall thickness, the vibration energy generated by the ultrasonic cavitation effect of the solution is greatly weakened when reaching the inside of the container, so that effective cleaning cannot be realized.

In addition, the transducer of the existing ultrasonic cleaning machine is connected and fixed with the interior of the cleaning tank by adopting glue, so that the ultrasonic cleaning machine is inconvenient to disassemble and replace, difficult to maintain due to problems, and serious in waste due to the whole replacement.

Disclosure of Invention

The invention aims to provide an ultrasonic transducer which is not arranged at the bottom of a cleaning groove and directly acts on a hollow needle tube.

The technical scheme provided by the invention is as follows: an ultrasonic transducer for cleaning a hollow needle tube comprises a connecting piece, wherein a front cover plate, a piezoelectric assembly and a rear cover plate which are mutually compressed are sequentially sleeved on the connecting piece; the front cover plate comprises a mounting groove for inserting the hollow needle tube; the piezoelectric component comprises at least one piezoelectric ceramic piece and at least two electrode plates, and the electrode plates are arranged on two sides of the piezoelectric ceramic piece respectively.

Further, the front shroud is including being used for adjusting the elasticity portion of mounting groove elasticity, elasticity portion is including adjusting the clearance.

Furthermore, screw holes are respectively formed in two sides of the adjusting gap, and screws sequentially penetrate through the screw holes in the two sides of the adjusting gap in a threaded mode.

Furthermore, a filling layer is arranged on the mounting groove.

Further, the filling layer is at least one of a lubricating layer, a heat insulation layer or a fastening layer.

Furthermore, the ultrasonic transducer of the invention also comprises two sets of insulation sheets arranged on the connecting piece, wherein one insulation sheet is arranged between the front cover plate and the piezoelectric assembly, and the other insulation sheet is arranged between the rear cover plate and the piezoelectric assembly.

Furthermore, the ultrasonic transducer of the invention also comprises an insulating sleeve sleeved on the connecting piece, and the insulating sleeve is arranged between the connecting piece and the piezoelectric component.

Further, the connecting piece is an inner hexagonal cup head screw.

The invention has the beneficial effects that:

1. the hollow container of certain shape size can be installed to the mounting groove of transducer front end, like the pipe, square pipe or the pipe of various shapes, then put into the basin, the transducer circular telegram, and piezoceramics produces piezoelectric effect and vibrates, and it is outdated to have the solution to flow in the container, can realize the washing to the inner wall, avoids causing the jam, and when there was solution outside the container, the transducer drove the vibration that the container produced, also can realize the washing to the container outside.

2. The caliber and the tightness degree of the mounting groove can be adjusted by setting the adjusting gap, so that hollow needle tubes with different specifications can be matched, and the hollow needle tubes with different specifications can be inserted into the mounting groove by adjusting the elastic deformation of the gap; in addition, in order to prevent the hollow needle tube from loosening, the rigid connection between the transducer and the hollow container is realized through the screw and the screw hole, and the falling off of the hollow needle tube in the cleaning process is avoided.

3. And a filling layer, such as a lubricating layer, a heat insulating layer, a fastening layer and the like, is arranged on the mounting groove, so that the ultrasonic cleaning transducer is not directly and mechanically or physically and rigidly connected with the hollow needle tube, and the filling layer is used for protecting the container or enhancing the connection performance between the container and the hollow needle tube.

4. The transducer is a safe transducer and can be directly connected with the hollow needle tube for use, when the transducer is arranged in equipment, the transducer can play a role in cleaning and scale prevention, and cannot damage the ionic solution component contained in the equipment or a container due to no electricity leakage.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is an exploded view of the overall structure of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a front cover plate according to an embodiment of the present invention.

In the drawings, a connecting member 100; a front cover plate 200, a mounting groove 210, a tightness adjusting part 220, an adjusting gap 221 and a screw hole 222; the piezoelectric component 300, the piezoelectric ceramic piece 310 and the electrode plate 320; a rear cover plate 400; an insulating sheet 500; an insulating sleeve 600; a hollow needle 700.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description of the ultrasonic transducer for cleaning a hollow needle tube according to the present invention is made in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "central," "longitudinal," "lateral," "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the indicated orientations and positional relationships based on the orientation shown in the drawings for ease of describing the invention and to simplify the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example one

Referring to fig. 1-2, an ultrasonic transducer according to an embodiment of the present invention includes a connecting member 100, wherein the connecting member 100 is sequentially sleeved with a front cover plate 200, a piezoelectric assembly 300, and a rear cover plate 400, which are pressed against each other; one end of the front cover plate 200 is provided with a mounting groove 210 for inserting the hollow needle tube 700, the main components of the piezoelectric assembly 300 are a piezoelectric ceramic plate 310 and an electrode plate 320, the piezoelectric ceramic plate 310 is at least one, a plurality of piezoelectric ceramic plates 310 can be selectively added according to the requirement on the working frequency of the transducer, the electrode plate 320 is at least two because the electrode plate 320 is communicated with the positive electrode and the negative electrode of an external power supply, and the number of the electrode plates 320 is correspondingly increased along with the increase of the number of the piezoelectric ceramic plates 310.

The connecting piece 100 can be a bolt or a screw with a screw head in various regular geometric figures (such as four corners, five corners or hexagonal), and the like, wherein a hexagon socket head screw is preferred, the hexagonal screw can be restored by screwing 60 degrees, if the space is narrow, the screw can be installed as long as the wrench can screw 60 degrees, if the square is provided, the side length is long, but the pattern can be restored by screwing 90 degrees, and the connecting piece is not suitable for small-space installation; if the pattern is octagonal or decagonal, the angle of graph reduction is small, but the side length of stress is small, and rounding is easy; if the screw is a screw with the odd number of sides, the two sides of the wrench are not parallel, and the wrench head with the odd number of sides is a horn-shaped opening which is not suitable for exerting force.

It can be understood that, the hollow container of certain shape size can be installed to the mounting groove 210 of transducer front end, for example, the pipe, square pipe or the pipe of various shapes, then put into the basin, the transducer circular telegram, piezoceramics piece 310 produces the piezoelectric effect and vibrates, has the solution to flow when the time in the container, can realize the washing to the inner wall, avoids causing the jam, and when there was solution outside the container, the transducer drove the vibration that the container produced, also can realize the washing to the container outside.

Example two

Referring to fig. 1, on the basis of the first embodiment, the front cover plate 200 includes a tightness adjusting portion 220 for adjusting tightness of the mounting groove 210, the tightness adjusting portion 220 includes an adjusting gap 221, and aperture and tightness of the mounting groove can be adjusted by setting the adjusting gap 221, so that hollow needle tubes of different specifications can be matched, and the hollow needle tubes of different specifications can be inserted into the mounting groove by adjusting elastic deformation of the gap.

EXAMPLE III

Referring to fig. 2, on the basis of the second embodiment, in order to prevent the hollow needle tube from loosening, screw holes 222 are respectively formed on two sides of the adjusting gap 221, and screws are sequentially screwed through the screw holes 222 on the two sides of the adjusting gap 221 to realize rigid connection between the transducer and the hollow container through the screws and the screw holes 222, so as to prevent the hollow needle tube from falling off during the cleaning process.

Example four

On the basis of the second embodiment, in order to prevent the hollow needle tube from loosening, the electromagnetic device can be installed inside the front cover plate 200 and is sealed relative to the outside, so that the electromagnetic device is prevented from being damaged by water immersion when the transducer enters the water tank, the size of the adjusting gap 221 is controlled by controlling the strength of the magnetic force of the electromagnetic device to be more convenient than the adjustment of the screw and the screw hole 222, the screw can rust after being soaked in water for a long time, and the adjustment of the adjusting gap 221 can be hindered, however, the built-in electromagnetic device does not have the problem, and the working state of stable and efficient adjustment is kept.

EXAMPLE five

On the basis of the first embodiment, the mounting groove 210 is provided with a filling layer, such as a lubricating layer, a heat insulating layer, a fastening layer, etc., which may be one of them or a combination of multiple layers, so that the ultrasonic cleaning transducer is not directly mechanically or physically rigidly connected with the hollow needle tube, and the filling layer is used for protecting the container or enhancing the connection performance between the two.

EXAMPLE six

Referring to fig. 2, on the basis of the first embodiment, an insulating sheet 500 may be respectively disposed between the front cover plate 200 and the piezoelectric element 300, and between the rear cover plate 400 and the piezoelectric element 300, and the insulating sheet 500 is also sleeved on the connecting member 100, so that the risk of leakage of the front cover plate 200 and the rear cover plate 400 can be effectively prevented.

EXAMPLE seven

Referring to fig. 2, on the basis of the first embodiment, an insulating sleeve 600 may be disposed between the connecting member 100 and the piezoelectric element 300, and the insulating sleeve 600 is sleeved on the connecting member 100, so as to prevent the connecting member 100 from being electrified to cause a safety hazard to a user.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The ultrasonic transducer for cleaning the hollow needle tube is characterized by comprising a connecting piece (100), wherein a front cover plate (200), a piezoelectric assembly (300) and a rear cover plate (400) which are mutually compressed are sequentially sleeved on the connecting piece (100);

the front cover plate (200) comprises a mounting groove (210) for inserting a hollow needle tube;

the piezoelectric component (300) comprises at least one piezoelectric ceramic piece (310) and at least two electrode pieces (320), wherein the electrode pieces (320) are respectively arranged on two sides of the piezoelectric ceramic piece (310).

2. The ultrasonic transducer according to claim 1, wherein said front cover plate (200) comprises a slack adjuster (120) for adjusting the slack of said mounting groove (210), said slack adjuster (120) comprising an adjustment gap (121).

3. The ultrasonic transducer according to claim 2, wherein both sides of the adjusting gap (121) are respectively provided with a screw hole (122), and a screw is sequentially screwed through the screw holes (122) at both sides of the adjusting gap.

4. The ultrasonic transducer according to claim 1, wherein a filling layer is provided on said mounting groove (210).

5. The ultrasonic transducer of claim 4, wherein the filler layer is at least one of a lubricating layer, a thermal insulating layer, or a fastening layer.

6. The ultrasonic transducer according to claim 1, further comprising two sets of insulation sheets (500) disposed on said connector (100), one said insulation sheet (500) being disposed between said front cover plate (200) and said piezoelectric assembly (300), and the other said insulation sheet (500) being disposed between said rear cover plate (400) and said piezoelectric assembly (300).

7. The ultrasonic transducer according to claim 1, further comprising an insulating sleeve (600) sleeved on said connector (100), wherein said insulating sleeve (600) is disposed between said connector (100) and said piezoelectric assembly (300).

8. The ultrasonic transducer according to claim 1, wherein said connector (100) is a socket head cap screw.