CN219048710U

CN219048710U - Ultrasonic vibration equipment

Info

Publication number: CN219048710U
Application number: CN202222750798.4U
Authority: CN
Inventors: 杨兴; 陈宇星; 陈威; 王富全; 刘跃财
Original assignee: Shenzhen Maifei Ultrasonic Medical Device Co ltd
Current assignee: Shenzhen Maifei Ultrasonic Medical Device Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-05-23
Anticipated expiration: 2032-10-17

Abstract

An ultrasonic vibration device includes a transducer, a coolant tube, and a sealed enclosure; the coolant pipe cover is located the afterbody of transducer, seal housing arrange in the transducer with outside the coolant pipe, and through the flange with the transducer is connected, it still includes: the fixed sleeve is sleeved on the cooling liquid pipe and is attached to the cooling liquid pipe; the pipe locking device is arranged in the sealed shell and is provided with an assembly hole; the assembly hole is communicated with the inner cavity of the sealed shell; the fixed sleeve is positioned in the assembly hole and is in interference fit with the assembly hole, connection between the cooling liquid pipe and the sealing shell is established, and stability of positioning of the cooling liquid pipe in the sealing shell is improved, so that adverse effects on vibration of the transducer due to gravity of the cooling liquid pipe and shaking of the cooling liquid pipe are reduced.

Description

Ultrasonic vibration equipment

Technical Field

The application relates to the technical field of surgical instruments, in particular to ultrasonic vibration equipment.

Background

Considering the necessity of cooling water in the process of cutting bone tissue, a cooling liquid pipe needs to be connected to the tail of the transducer, and the cooled physiological saline is conveyed to the head cutting area of the transducer through the water pipe and the hollow interface arranged on the transducer by the console assembly.

In the existing ultrasonic vibration equipment, the cooling liquid pipe is directly sleeved at the tail part of the transducer, and additional adverse effects are caused on the vibration of the transducer by the cooling liquid pipe due to the self gravity of the cooling liquid pipe, the shaking of the cooling liquid pipe along with the vibration of the transducer and other factors.

Accordingly, the prior art is still in need of improvement and development.

Disclosure of Invention

The technical problem to be solved by the application is to provide an ultrasonic vibration device aiming at the defects of the prior art, and aims to reduce the adverse effect of a cooling liquid pipe on the vibration of a transducer.

The technical scheme adopted for solving the technical problems is as follows:

an ultrasonic vibration device comprising a transducer, a coolant tube and a sealed enclosure; the coolant pipe cover is located the afterbody of transducer, seal housing arrange in the transducer with outside the coolant pipe, and through the flange with the transducer is connected, it still includes:

the fixed sleeve is sleeved on the cooling liquid pipe and is attached to the cooling liquid pipe;

the pipe locking device is arranged in the sealed shell and is provided with an assembly hole; the assembly hole is communicated with the inner cavity of the sealed shell;

the fixed sleeve is positioned in the assembly hole and is in interference fit with the assembly hole.

The ultrasonic vibration equipment is characterized in that the fixed sleeve is in a truncated cone shape, and the assembly hole is a conical hole; the large diameter end of the fixed sleeve is arranged towards the transducer; the minimum external diameter of the fixed sleeve is larger than the minimum internal diameter of the assembly hole and smaller than the maximum external diameter of the assembly hole.

The ultrasonic vibration apparatus, wherein the sealing case includes:

a front housing disposed outside the transducer and connected to the transducer by the flange;

and the rear shell is arranged outside the cooling liquid pipe and is in interference fit with the front shell.

The ultrasonic vibration apparatus further comprises:

one end of the connecting part is sleeved on the transducer and is in clamping connection with the inner wall of the front outer shell; the other end extends into the rear shell and is connected with the large-diameter end of the fixed sleeve;

the connecting part is sleeved outside the cooling liquid pipe and is in clearance fit with the cooling liquid pipe.

The ultrasonic vibration apparatus further comprises:

the annular bulge part is arranged at the periphery of the connecting part;

an annular clamping groove is formed in the inner wall of the front outer shell, and the annular clamping groove is matched with the annular protruding part;

the annular bulge is provided with a conical guide surface, and the large-diameter end of the conical guide surface faces the rear outer shell

The ultrasonic vibration equipment is characterized in that a straight hole is further formed in the pipe locking device, and the straight hole is located at the large-diameter end of the assembly hole and is communicated with the assembly hole; the connecting part is positioned in the straight hole and is connected with the inner wall of the straight hole; the inner diameter of the straight hole is larger than the maximum outer diameter of the fixing sleeve.

The ultrasonic vibration equipment is characterized in that an external thread is arranged on the connecting part, an internal thread is arranged in the straight hole, and the internal thread is matched with the external thread.

The ultrasonic vibration apparatus further comprises:

the extension part is arranged between the connecting part and the fixed sleeve, and the outer diameter of the extension part is smaller than the maximum outer diameter of the fixed sleeve;

the extension part is sleeved on the cooling liquid pipe and is attached to the cooling liquid pipe.

The ultrasonic vibration equipment is characterized in that a plurality of first notches are formed in the extension part and are sequentially distributed along the circumferential direction of the extension part; the first notch is arranged along the axial extension of the extension part; a plurality of second notches are formed in the fixing sleeve; the second notches are arranged along the axial direction of the fixing sleeve and are communicated with the first notches in a one-to-one correspondence mode.

The ultrasonic vibration apparatus, wherein an end of the rear outer shell is located within the front outer shell; the novel sealing device is characterized in that an annular groove is formed in the rear outer shell, and a sealing ring is arranged in the annular groove and is respectively attached to the rear outer shell and the front outer shell.

The beneficial effects are that: the application ultrasonic vibration equipment add in the sealed housing lock the pipe ware, and through fixed cover with interference fit between the pilot hole has established coolant pipe with be connected between the sealed housing, promoted the coolant pipe is in the stability of location in the sealed housing, thereby reduced because coolant pipe self gravity and the rocking of coolant pipe is right the harmful effects that the vibration of transducer produced.

Drawings

FIG. 1 is a cross-sectional view of an ultrasonic vibration device as described herein;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged partial schematic view at B in FIG. 1;

FIG. 4 is a cross-sectional view of the connection portion, the extension portion, the retaining sleeve, and the coolant tube assembly of the present application;

FIG. 5 is a schematic view of the assembly of the connection portion, the extension portion and the retaining sleeve described herein;

FIG. 6 is a cross-sectional view of the tube lock described in this application;

FIG. 7 is a cross-sectional view of the tube lock assembly of the present application with the coolant tube.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application clearer and more specific, the present application will be described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

Please refer to fig. 1-7. The application provides an ultrasonic vibration device, as shown in fig. 1-3, which comprises a transducer 1, a coolant tube 2, a sealed housing 3, a flange 4, a fixed sleeve 5 and a tube locking device 6. The cooling liquid pipe 2 is sleeved at the tail part of the transducer 1, and the sealing shell 3 is arranged outside the transducer 1 and the cooling liquid pipe 2; the flange 4 is sleeved on the transducer 1 and connected with the sealed housing 3, so that the sealed housing 3 is positioned at the periphery of the transducer 1 through the flange 4.

The fixed sleeve 5 and the pipe locking device 6 are both positioned in the sealed shell 3; the fixed sleeve 5 is sleeved on the cooling liquid pipe 2 and is attached to the cooling liquid pipe 2; the pipe locking device 6 is fixedly connected with the sealed shell 3 and is provided with an assembly hole 61, and the assembly hole 61 is communicated with the inner cavity of the sealed shell 3; the fixing sleeve 5 is located in the assembly hole 61 and is in interference fit with the assembly hole 61.

The fixed sleeve 5 is in interference fit with the assembly hole 61, so that the pipe locking device 6 can press the fixed sleeve 5 along the circumferential direction of the fixed sleeve 5; and the fixed sleeve 5 is attached to the coolant pipe 2, so that the extrusion force of the pipe locking device 6 to the fixed sleeve 5 can be transmitted to the coolant pipe 2 through the fixed sleeve 5, and the coolant pipe 2 is positioned in the sealed shell 3 through the pipe locking device 6 and the fixed sleeve 5.

Compared with the prior art, the utility model discloses a seal housing 3 is interior add lock pipe ware 6, and through fixed cover 5 with interference fit between the pilot hole 61 has established coolant pipe 2 with be connected between the seal housing 3 has promoted coolant pipe 2 the stability of location in the seal housing 3, thereby reduced because coolant pipe 2 self gravity, and the rocking of coolant pipe 2 is right the harmful effects that the vibration of transducer 1 produced.

As shown in fig. 4 and fig. 5, the fixing sleeve 5 is in a shape of a truncated cone, that is, one end of the fixing sleeve 5 in the axial direction is a large diameter end 51, and the other end in the axial direction is a small diameter end 52; the fitting hole 61 is a tapered hole so as to match the external shape of the fixing sleeve 5. The large diameter end 51 of the stationary sleeve 5 is arranged towards the transducer 1; the minimum external diameter of the fixing sleeve 5 is larger than the minimum internal diameter R of the assembly hole 61 and smaller than the maximum internal diameter of the assembly hole 61, so that the fixing sleeve 5 can be inserted into the assembly hole 61 from the large-diameter end of the assembly hole 61 along the axial direction of the lock tube device 6, and the side wall of the assembly hole 61 presses the fixing sleeve 5 along with the gradual reduction of the diameter of the assembly hole 61, thereby realizing interference fit between the fixing sleeve 5 and the assembly hole 61.

In an embodiment of the present application, the fixing sleeve 5 is a plastic fixing sleeve 5, and the pipe locking device 6 is a plastic pipe locking device 6, so that the fixing sleeve 5 and the pipe locking device 6 all have a certain deformation capability. As shown in fig. 7, the minimum inner diameter R of the fitting hole 61 is larger than the outer diameter R of the coolant pipe 2; when the side wall of the assembly hole 61 extrudes the fixing sleeve 5, the fixing sleeve 5 deforms to a certain extent, so that the extrusion force is synchronously transmitted to the coolant tube 2, and the coolant tube 2 is positioned in the assembly hole 61.

As shown in fig. 1, the seal housing 3 includes a front housing shell 31 and a rear housing shell 32; the front housing 31 is connected with the flange 4 in the circumferential direction by means of a rigid connection such as a screw connection/welding/interference fit, so that the front housing 31 is connected with the transducer 1.

As shown in fig. 3, the front housing 31 is arranged outside the transducer 1; the rear housing shell 32 is arranged outside the coolant tube 2 and is interference fit with the front housing shell 31. Specifically, the end of the rear outer shell 32 is inserted into the front outer shell 31 and is interference fit with the inner wall of the front outer shell 31. In one embodiment of the present application, the interference between the front outer shell 31 and the rear outer shell 32 is 0.02mm to 0.1mm. In one embodiment of this embodiment, the interference between the front outer shell 31 and the rear outer shell 32 is 0.06mm.

As shown in fig. 3, 4 and 5, the ultrasonic vibration device further comprises a connecting portion 7, wherein one axial end of the connecting portion 7 extends into the front outer shell 31 and is in snap connection with the inner wall of the front outer shell 31; the portion of the connection 7 extending into the front housing 31 is placed outside the transducer 1. The other axial end of the connecting part 7 extends into the rear outer shell 32 and is connected with the large-diameter end of the fixed sleeve 5; the connecting part 7 is sleeved outside the cooling liquid pipe 2 and is in clearance fit with the cooling liquid pipe 2; a portion of the connection 7 is located within the rear housing shell 32 and is in clearance fit with the rear housing shell 32. The tube locking device 6 is positioned in the rear outer shell 32 and fixedly connected with the rear outer shell 32.

In one embodiment of the present application, the connecting portion 7 and the fixing sleeve 5 are integrally formed.

The connecting portion 7 is added in the application, one axial end of the connecting portion 7 is connected with the front outer shell 31, the other axial end of the connecting portion 7 is fixedly connected with the fixing sleeve 5, so that the fixing sleeve 5 can be connected with the front outer shell 31 through the connecting portion 7, the connection relation between the cooling liquid pipe 2 and the sealing shell 3 is increased, and adverse effects caused by self gravity and shaking of the cooling liquid pipe 2 and vibration of the transducer 1 are further reduced.

In one embodiment of the present application, as shown in fig. 3, 4 and 5, the ultrasonic vibration device further includes an annular protrusion 9, and the annular protrusion 9 is disposed at the periphery of the connection portion 7. An annular clamping groove is formed in the inner wall of the front outer shell 31, is matched with the annular protruding portion 9, and accommodates the annular protruding portion 9.

In this embodiment, the connection stability between the connection part 7 and the front outer shell 31 is increased by the cooperation of the annular protrusion 9 and the annular clamping groove, so that the connection tightness between the fixing sleeve 5 and the sealing outer shell 3 is enhanced.

In one embodiment of this embodiment, as shown in fig. 4 and fig. 5, the annular protruding portion 9 is provided with a tapered guiding surface 10, and a large diameter end of the tapered guiding surface 10 is disposed towards the rear housing shell 32, so that when the connecting portion 7 is installed in the front housing shell 31, the tapered guiding surface 10 can guide the movement of the connecting portion 7, and is more beneficial for the annular protruding portion 9 to move along the inner wall of the front housing shell 31 and be inserted into the annular clamping groove.

As shown in fig. 6 and 7, the pipe locking device 6 is further provided with a straight hole 62, and the straight hole 62 is positioned at the large diameter end of the assembly hole 61 and is communicated with the assembly hole 61; the inner diameter a of the straight hole 62 is larger than the maximum inner diameter b of the assembly hole 61 and larger than the maximum outer diameter of the fixing sleeve 5; one end of the connecting part 7 connected with the fixing sleeve 5 is positioned in the straight hole 62 and is connected with the inner wall of the straight hole 62.

In this embodiment, as shown in fig. 4 and fig. 5, an external thread 71 is provided on the connection portion 7, an internal thread 621 is provided in the straight hole 62 (the internal thread 621 is shown in fig. 2 and fig. 6), and the internal thread 621 cooperates with the external thread 71, so as to realize threaded connection between the connection portion 7 and the pipe locking device 6.

In this embodiment, the specific process of assembling the coolant tube 2 to the tail of the transducer 1 is as follows:

the cooling liquid pipe 2 is sleeved at the tail part of the transducer 1, the central hole of the connecting part 7 is aligned with the transducer 1, the connecting part 7 is inserted into the front outer shell 31, the connecting part 7 moves towards the head part of the transducer 1 until the annular protruding part 9 is inserted into the annular clamping groove, the connecting part 7 and the front outer shell 31 are assembled, and the fixing sleeve 5 is sleeved outside the cooling liquid pipe 2 and is attached to the cooling liquid pipe 2.

Inserting an end of the coolant tube 2 away from the transducer 1 into the fitting hole 61 and the rear outer shell 32, and gradually inserting an end of the rear outer shell 32 between the connection portion 7 and the front outer shell 31; when the male screw 71 contacts the female screw 621, the rear housing 32 is rotated, and the fixing sleeve 5 is correspondingly inserted into the fitting hole 61. With the rotation of the rear outer shell 32, the overlapping area between the assembly hole 61 and the fixing sleeve 5 is gradually increased, and the fixing sleeve 5 is pressed by the inner wall of the assembly hole 61 until the threaded connection between the connecting portion 7 and the tube locking device 6 is completed, so that the interference fit between the fixing sleeve 5 and the tube locking device 6 is realized, and the coolant tube 2 is positioned in the rear outer shell 32.

As shown in fig. 3, 4 and 5, the ultrasonic vibration device further includes an extension portion 8, the extension portion 8 is disposed between the connection portion 7 and the fixing sleeve 5, and the extension portion 8 is sleeved on the coolant tube 2 and is attached to the coolant tube 2. The outer diameter of the extension 8 is smaller than the maximum outer diameter of the fixing sleeve 5; the extension part 8 is used for isolating the fixing sleeve 5 from the connecting part 7, and prolonging the distance between the fixing sleeve 5 and the connecting part 7, so as to achieve the following steps: the deformation amount of elastic deformation generated when the fixed sleeve 5 is extruded by the assembly hole 61 is improved, and the elastic deformation of the fixed sleeve 5 is more uniform, so that the extrusion force of the fixed sleeve 5 to the coolant tube 2 is more uniform.

As shown in fig. 5, the extending portion 8 is provided with a plurality of first notches 11, and the plurality of first notches 11 are sequentially distributed along the circumferential direction of the extending portion 8; the first notch 11 is arranged along the axial extension of the extension part 8; the fixed sleeve 5 is provided with a plurality of second notches 12; the second notches 12 are arranged along the axial direction of the fixing sleeve 5 and are communicated with the first notches 11 in a one-to-one correspondence. The first notch 11 and the second notch 12 are matched, so that a certain deformation space is provided for elastic deformation of the fixing sleeve 5 in the assembly hole 61, and the interference fit effect between the fixing sleeve 5 and the assembly hole 61 is improved.

The connecting portion 7 is provided with a plurality of third notches 13 at one end far away from the extension portion 8, and the third notches 13 are sequentially distributed at intervals along the circumferential direction of the connecting portion 7. The third notch 13 extends to the external thread 71 along the axial direction of the connecting portion 7, so as to increase the deformation space of the connecting portion 7 for elastic deformation, facilitate the connecting portion 7 to be inserted into the front outer shell 31, and perform interference fit with the front outer shell 31 by using elastic deformation.

As shown in fig. 2, the rear outer shell 32 is provided with an annular groove 14, and a sealing ring 15 is arranged in the annular groove 14; the seal ring 15 has elasticity, and in a natural state, the radial thickness of the seal ring 15 is greater than the radial width of the annular groove 14, so that when the rear outer shell 32 is in interference fit with the front outer shell 31, the seal ring 15 is extruded and deformed, and is respectively and tightly attached to the rear outer shell 32 and the front outer shell 31. The sealing ring 15 not only increases the tightness of the joint of the rear outer shell 32 and the front outer shell 31; and the rear outer shell 32 and the front outer shell 31 have a certain anti-disassembly function after being assembled.

As shown in fig. 3, an annular limiting portion 16 is provided on the inner wall of the front outer shell 31, and the annular limiting portion 16 is located on one side of the flange 4 in the axial direction and is close to the head of the transducer 1. The annular limiting part 16 is in clearance fit with the flange 4 and the transducer 1 respectively; the annular limiting part 16 is provided with an annular accommodating groove 17, the annular accommodating groove 17 is arranged in an inward concave manner from the axial surface of the annular limiting part 16, and the opening of the annular accommodating groove 17 faces the flange 4.

The annular accommodating groove 17 is internally provided with a first sealing ring 18, and the first sealing ring 18 is respectively tightly attached to the annular limiting part 16 and the flange 4. In a natural state, the axial thickness of the first sealing ring 18 is greater than the axial depth of the annular accommodating groove 17, so that the first sealing ring 18 is in a state of being extruded and deformed in the annular accommodating groove 17, and the tightness of the transducer 1 is improved through the first sealing ring 18.

In summary, the application provides an ultrasonic vibration equipment add in the sealed shell lock the pipe ware, and through fixed cover with interference fit between the pilot hole has established coolant pipe with be connected between the sealed shell, promoted the stability that coolant pipe was fixed a position in the sealed shell, thereby reduced because coolant pipe self gravity, and the vibration of coolant pipe is right the harmful effects that the vibration of transducer produced.

It is to be understood that the application of the present application is not limited to the examples described above, but that modifications and variations can be made by a person skilled in the art from the above description, all of which modifications and variations are intended to fall within the scope of the claims appended hereto.

Claims

1. An ultrasonic vibration device comprising a transducer, a coolant tube and a sealed enclosure; the coolant pipe cover is located the afterbody of transducer, seal housing arrange in the transducer with outside the coolant pipe, and through the flange with the transducer is connected, its characterized in that still includes:

2. The ultrasonic vibration apparatus of claim 1, wherein the fixing sleeve is in a circular truncated cone shape, and the fitting hole is a tapered hole; the large diameter end of the fixed sleeve is arranged towards the transducer; the minimum external diameter of the fixed sleeve is larger than the minimum internal diameter of the assembly hole and smaller than the maximum external diameter of the assembly hole.

3. The ultrasonic vibration apparatus of claim 2, wherein the sealed housing comprises:

4. An ultrasonic vibration apparatus according to claim 3, further comprising:

5. The ultrasonic vibration apparatus of claim 4, further comprising:

the annular bulge part is arranged at the periphery of the connecting part;

the annular protruding portion is provided with a conical guide surface, and the large-diameter end of the conical guide surface faces the rear outer shell.

6. The ultrasonic vibration apparatus of claim 4, wherein the tube locker is further provided with a straight hole which is located at a large diameter end of the fitting hole and communicates with the fitting hole; the connecting part is positioned in the straight hole and is connected with the inner wall of the straight hole; the inner diameter of the straight hole is larger than the maximum outer diameter of the fixing sleeve.

7. The ultrasonic vibration apparatus of claim 6, wherein the connecting portion is provided with external threads, and the straight hole is internally provided with internal threads, the internal threads being mated with the external threads.

8. The ultrasonic vibration apparatus of claim 4, further comprising:

9. The ultrasonic vibration apparatus according to claim 8, wherein the extension portion is provided with a plurality of first notches, the plurality of first notches being sequentially distributed along a circumferential direction of the extension portion; the first notch is arranged along the axial extension of the extension part; a plurality of second notches are formed in the fixing sleeve; the second notches are arranged along the axial direction of the fixing sleeve and are communicated with the first notches in a one-to-one correspondence mode.

10. An ultrasonic vibration apparatus according to claim 3, wherein the end of the rear casing is located within the front casing; the novel sealing device is characterized in that an annular groove is formed in the rear outer shell, and a sealing ring is arranged in the annular groove and is respectively attached to the rear outer shell and the front outer shell.