CN214484707U - Transducer and osteotome machine handle comprising same - Google Patents

Abstract

The utility model relates to a transducer and a osteotome handle comprising the transducer, which comprises an amplitude transformer, a main rod and a connecting rod, wherein the head end of the connecting rod enters the inner cavity of the amplitude transformer from the tail end of the amplitude transformer and is fixed with the amplitude transformer in a full-welding way; the tail end of the connecting rod enters the main rod from the head end of the main rod and is fixed with the main rod in a threaded connection mode. A bone knife handle comprising the transducer. The utility model has the advantages that: the full-welding mode is adopted for connection, so that the possibility of water leakage can be basically eliminated, and the service performance is effectively improved; by adopting the multi-section structure, although the assembly steps are increased, the manufacturing cost can be reduced.

Description

Transducer and osteotome machine handle comprising same

Technical Field

The utility model relates to an ultrasonic medical equipment especially relates to transducer and contain its osteotome handle.

Background

The ultrasonic transducer is a main component of ultrasonic medical equipment such as an ultrasonic scaler, a osteotome machine and the like, is arranged in the handle and is generally divided into an upper part, a middle part and a lower part, specifically an amplitude transformer at the upper part, piezoelectric ceramics at the middle part and a main rod at the lower part. The piezoelectric ceramic has the effect of converting electric energy into mechanical energy of high-frequency vibration, a very dry environment is needed in the working process, once water vapor contacts with the piezoelectric ceramic, the piezoelectric ceramic is easily damaged, and the service life of the transducer is shortened.

The head end of a main rod in the existing transducer enters an inner cavity of an amplitude transformer from the tail end of the amplitude transformer, and glue is spread between the amplitude transformer and the main rod, so that the possibility of water leakage at a joint easily exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing another kind of transducer and contain its osteotome handle to solve exist among the prior art not enough.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an energy converter comprises an amplitude transformer, a main rod and a connecting rod, wherein the head end of the connecting rod enters an inner cavity of the amplitude transformer from the tail end of the amplitude transformer and is fixed with the amplitude transformer in a full-length welding manner; the tail end of the connecting rod enters the main rod from the head end of the main rod and is fixed with the main rod in a threaded connection mode.

The utility model has the advantages that: the full-welding mode is adopted for connection, so that the possibility of water leakage can be basically eliminated, and the service performance is effectively improved; by adopting the multi-section structure, although the assembly steps are increased, the manufacturing cost can be reduced.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the transducer still includes the piezoelectricity module, and the piezoelectricity module cover is located on the connecting rod, and is cliied by width of cloth pole and mobile jib.

Furthermore, the energy converter also comprises a water pipe, the water outlet end of the water pipe enters the main rod from the tail end of the main rod and extends to be in threaded connection with the tail end of the connecting rod, the water pipe is communicated with the inner cavity of the connecting rod, and the inner cavity of the amplitude transformer is communicated with the inner cavity of the connecting rod.

The utility model provides a bone knife machine handle which characterized in that: including the transducer described above.

Drawings

Fig. 1 is a schematic structural diagram of the transducer of the present invention.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, the utility model discloses an energy converter, which comprises an amplitude transformer 1, a main rod 2 and a connecting rod 3; the amplitude transformer 1 is of a cylindrical structure with a hollow inner part, the main rod 2 is of a cylindrical structure with a hollow inner part, and the connecting rod 3 is of a cylindrical structure with a hollow inner part; the head end of the connecting rod 3 enters the inner cavity of the amplitude transformer 1 from the tail end of the amplitude transformer 1, and the connecting rod 3 and the amplitude transformer 1 are fixed in a full-welding mode, so that the full-welding method can be laser welding; the tail end of the connecting rod 3 enters the main rod 2 from the head end of the main rod 2, and the connecting rod 3 is fixed with the main rod 2 in a threaded connection mode.

The utility model discloses still do the optimization of following embodiment:

the first embodiment:

as shown in fig. 1, the transducer further includes a piezoelectric module 4, and the piezoelectric module 4 is sleeved on the connecting rod 3 and is clamped by the amplitude transformer 1 and the main rod 2.

Second embodiment:

as shown in figure 1, the energy converter also comprises a water pipe 5, the water outlet end of the water pipe 5 enters the main rod 2 from the tail end of the main rod 2 and extends to be in threaded connection with the tail end of the connecting rod 3, the water pipe 5 is communicated with the inner cavity of the connecting rod 3, the inner cavity of the amplitude transformer 1 is communicated with the inner cavity of the connecting rod 3, and water leakage can be effectively avoided.

In addition, as a further optimization, the connecting rod 3 and the amplitude transformer 1 can be connected by welding and additionally provided with a thread, and whether the thread is additionally arranged is not necessary.

A bone knife handle comprising a transducer as described in any of the embodiments above.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (4)

1. A transducer, characterized by: the welding device comprises an amplitude transformer (1), a main rod (2) and a connecting rod (3), wherein the head end of the connecting rod (3) enters an inner cavity of the amplitude transformer (1) from the tail end of the amplitude transformer (1) and is fixed with the amplitude transformer (1) in a full-welding manner; the tail end of the connecting rod (3) enters the main rod (2) from the head end of the main rod (2) and is fixed with the main rod in a threaded connection mode.

2. The transducer of claim 1, wherein: the piezoelectric device is characterized by further comprising a piezoelectric module (4), wherein the piezoelectric module (4) is sleeved on the connecting rod (3) and is clamped by the amplitude transformer (1) and the main rod (2).

3. The transducer of claim 1, wherein: still include water service pipe (5), the play water end of water service pipe (5) enters into mobile jib (2) by mobile jib (2) tail end to extend to the tail end threaded connection with connecting rod (3), water service pipe (5) with the inner chamber intercommunication of connecting rod (3), the inner chamber of amplitude transformer (1) with the inner chamber intercommunication of connecting rod (3).

4. The utility model provides a bone knife machine handle which characterized in that: comprising a transducer as claimed in any of claims 1 to 3.

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