CN221206549U - Detection mechanism and ultrasonic treatment hand tool - Google Patents

Abstract

The utility model discloses a detection mechanism and an ultrasonic treatment hand tool, wherein the detection mechanism comprises a detection rod, a reset elastic piece and a detection piece, the detection rod is connected with a driving shaft in a sliding manner along the length direction of the driving shaft, two ends of the reset elastic piece are respectively connected with the detection rod and a driving assembly, when a first connecting piece and a second connecting piece are coupled and connected, the second connecting piece pushes the detection rod to a detection position and enables the reset elastic piece to elastically deform, and the detection piece is used for detecting whether the detection rod reaches the detection position. The beneficial effects of the utility model are as follows: when the second connecting piece adsorbs the disconnection with first connecting piece, reset elastic component resets to promote the measuring rod and move to the first position outward, the measuring rod can not be detected to the measuring piece, thereby give alarm signal, make the operator know in time that second connecting piece has disconnected with first connecting piece, the transducer can not reciprocating motion again, thereby avoid the second connecting piece to continue to use the transducer after disconnection with first connecting piece, improved ultrasonic therapy's security.

Description

Detection mechanism and ultrasonic treatment hand tool

Technical Field

The utility model relates to the technical field of ultrasonic treatment, in particular to a detection mechanism and an ultrasonic treatment hand tool.

Background

To achieve a layered treatment effect, the ultrasound therapy device is equipped with different types of therapy heads so that the ultrasound energy source reaches different subcutaneous depths. In order to provide a greater range of treatment, while providing a more uniform delivery of energy, the transducer in the treatment head requires reciprocation, which is driven by a motor in the handpiece. In order to achieve different treatment effects, the treatment head is often replaced, so that the transducer in the treatment head is generally connected with the motor in the hand tool through magnetic attraction, and the replacement is quicker.

The traditional hand tool is provided with the motor, the circuit board, the sliding block, the linear bearing, various keys and the LED lamp, and has the advantages of compact and attractive appearance and very limited internal space, so that the detection function in some safety aspects is not added. However, during the treatment process, the magnetic connection between the motor and the transducer is not completely reliable, and the situation of disconnection during the treatment is likely to occur, so that the transducer in the treatment head fails to reciprocate, and the energy of the transducer is concentrated at one point and is transmitted, so that the risk of damaging the skin is caused.

Disclosure of utility model

In view of the foregoing, it is necessary to provide a detection mechanism and an ultrasonic treatment hand tool for solving the technical problems that when the magnetic connection between the motor and the transducer is broken during treatment, the transducer fails to reciprocate, and the energy of the transducer is concentrated at one point to form the risk of damaging the skin.

In order to achieve the above object, the utility model provides a detection mechanism for detecting an ultrasonic treatment hand tool, the ultrasonic treatment hand tool comprises a handle assembly and a treatment head assembly, the handle assembly comprises a driving assembly, a driving shaft and a first connecting piece, the treatment head assembly comprises a transducer and a second connecting piece connected with the transducer, the first connecting piece and the second connecting piece can be coupled and connected, the detection mechanism comprises a detection rod, a reset elastic piece and a detection piece, the detection rod is slidably connected with the driving shaft along the length direction of the driving shaft, two ends of the reset elastic piece are respectively connected with the detection rod and the driving assembly, when the first connecting piece and the second connecting piece are coupled and connected, the second connecting piece pushes the detection rod to a detection position and enables the reset elastic piece to elastically deform, and the detection piece is used for detecting whether the detection rod reaches the detection position.

In some embodiments, the detecting member is a photoelectric sensor, a first sliding groove penetrating through two ends of the driving shaft is formed in the driving shaft, the first connecting member is fixed at one end of the driving shaft, a second sliding groove penetrating through two ends of the first connecting member is formed in the first connecting member, and the detecting rod is slidably inserted into the first sliding groove and the second sliding groove.

In some embodiments, the ultrasonic therapy handpiece further comprises a handle housing; the driving assembly comprises a sliding block, a driving screw rod and a driving motor, wherein the driving motor is connected with the driving screw rod and used for driving the driving screw rod to rotate, the sliding block is connected with the driving screw rod through threads, and two ends of the reset elastic piece are respectively connected with the detection rod and the sliding block.

In some embodiments, the detecting member is a distance sensor, the distance sensor is fixed on the slider, and a probe of the distance sensor is disposed toward one end of the detecting rod.

In some embodiments, the detecting member is a distance sensor, the distance sensor is fixed on the slider, and a probe of the distance sensor is disposed toward one end of the detecting rod.

In some embodiments, the detecting member is a normally closed micro-switch, the handle assembly further comprises a power supply and an alarm, the normally closed micro-switch, the alarm and the power supply are connected in series to form a loop, the normally closed micro-switch is mounted on the sliding block, and a contact of the normally closed micro-switch is located at the detecting position.

In some embodiments, the detecting rod is formed with a limiting protrusion, the resetting elastic piece is sleeved on the detecting rod, one end of the resetting elastic piece is abutted to the limiting protrusion, and the other end of the resetting elastic piece is abutted to the sliding block.

In some embodiments, a receiving groove communicated with the first sliding groove is further formed in the driving shaft, the inner diameter of the receiving groove is larger than that of the first sliding groove, and the limiting protrusion is slidably arranged in the receiving groove.

In some embodiments, a receiving groove is formed in the slider, a connection hole that communicates with the receiving groove is formed on an inner wall of the receiving groove, the detection rod is slidably disposed in the connection hole, and the detection member is disposed in the receiving groove.

In some embodiments, a mounting groove communicating with the first sliding groove is formed at one end of the driving shaft, and the first connecting piece is fixed in the mounting groove.

The utility model also provides an ultrasonic treatment hand tool which comprises the detection mechanism.

Compared with the prior art, the technical scheme provided by the utility model has the beneficial effects that: when the medical device is used, when the first connecting piece is adsorbed to the second connecting piece of the therapeutic head, the second connecting piece can push the detection rod to move in the process of adsorbing the first connecting piece, so that one end of the detection rod is retracted into the second sliding groove, and meanwhile, the reset elastic piece is compressed, at the moment, the detection rod reaches the detection position of the detection piece and is detected by the detection piece, and therefore the system judges that the second connecting piece is adsorbed to the first connecting piece. When the second connecting piece adsorbs the disconnection with first connecting piece, reset elastic component resets to promote the measuring bar and move to the first position outward, at this moment, the measuring bar leaves the measuring position, and the measuring bar can't detect, thereby give alarm signal, make the operator know in time that second connecting piece has disconnected with first connecting piece, the transducer can not reciprocating motion again, thereby avoid the second connecting piece to continue to use the transducer after disconnection with first connecting piece, and then avoid the appearance that the energy concentration was hit the skin because of the unable reciprocating motion of transducer leads to, the security of ultrasonic therapy has been improved.

Drawings

FIG. 1 is a schematic perspective view of an ultrasonic treatment hand tool according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of the ultrasonic treatment handpiece of FIG. 1 with the handle housing omitted;

FIG. 3 is an exploded view of the handle assembly of FIG. 2;

FIG. 4 is a schematic illustration of the handle assembly of FIG. 2 with the treatment head omitted and the test lever not in the test position;

FIG. 5 is a schematic illustration of the handle housing, drive shaft and drive assembly of FIG. 4 omitted;

FIG. 6 is an exploded view of FIG. 5;

FIG. 7 is a schematic view of the handle assembly of FIG. 5 with the test lever in the test position;

In the figure: 100-handle assembly, 110-handle housing, 111-limit slot, 120-drive shaft, 121-first slide slot, 122-receiving slot, 123-fixing screw hole, 124-mounting slot, 130-drive assembly, 131-slide block, 1311-drive screw hole, 1312-receiving slot, 1313-connecting hole, 1314-yielding hole, 132-drive screw, 133-drive motor, 140-first connector, 141-second slide slot, 150-detection mechanism, 151-detection lever, 1511-limit protrusion, 152-return spring, 153-detection member, 200-treatment head assembly, 210-second connector, 220-treatment head housing, 230-transducer, 240-bracket.

Detailed Description

The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1-7, the present utility model provides an ultrasonic therapy hand tool, including a handle assembly 100 and a therapy head assembly 200, the handle assembly 100 includes a handle housing 110, a driving shaft 120, a driving assembly 130 and a first connecting member 140, the fixed end of the driving assembly 130 is connected to the handle housing 110, the movable end of the driving assembly 130 is connected to the driving shaft 120 and is used for driving the driving shaft 120 to move along the length direction thereof, the first connecting member 140 is fixed to one end of the driving shaft 120, the therapy head assembly 200 includes a transducer 230, a bracket for mounting the transducer 230 and a second connecting member 210 fixed to the bracket, the first connecting member 140 and the second connecting member 210 can be coupled, in this embodiment, the first connecting member 140 and the second connecting member 210 are magnetically connected, specifically, the first connecting member 140 is a hollow magnet, and the second connecting member 210 is made of a magnetic material, so that the second connecting member 210 can be magnetically connected to the first connecting member 140.

The handle assembly 100 further comprises a detection mechanism 150, the detection mechanism 150 comprises a detection rod 151, a reset elastic member 152 and a detection member 153, the detection rod 151 is slidably connected with the driving shaft 120 along the length direction of the driving shaft 120, two ends of the reset elastic member 152 are respectively connected with the detection rod 151 and the driving assembly 130, when the first connecting member 140 is coupled with the second connecting member 210 of the treatment head assembly 200, the second connecting member 210 pushes the detection rod 151 to reach a detection position and enables the reset elastic member 152 to elastically deform, and the detection member 153 is used for detecting whether the detection rod 151 reaches the detection position.

In order to facilitate understanding of the present utility model, the structure of the treatment head assembly 200 will be described in detail below, the treatment head assembly 200 further includes a treatment head housing 220, the second connector 210 is slidably disposed in the treatment head housing 220, the transducer 230 is fixed to the second connector 210 and is located in the treatment head housing 220, when the treatment head assembly 200 needs to be mounted on the handle assembly 100, the treatment head housing 220 is first fixed to the handle housing 110 (which may be fixed by a screw or a buckle, which is not limited by the present utility model), after the treatment head housing 220 is fixed to the handle housing 110, the second connector 210 is exactly located in the axial direction of the driving shaft 120, and then the driving shaft 120 is driven by the driving assembly 130 to move along the length direction thereof, so that the first connector 140 abuts against the second connector 210, at this time, when the second connector 210 may be coupled to the first connector 140, and then when the driving shaft 120 is driven by the driving assembly 130 to move along the length direction thereof, the second connector 210 and the transducer 230 may move accordingly, so that the transducer 230 may be driven by the driving assembly 130 to reciprocate, thereby increasing the range of action of the transducer 230.

In use, when the first connector 140 is coupled to the second connector 210 of the therapeutic head assembly 200, the second connector 210 pushes the detecting rod 151 to move during moving to the first connector 140, so that one end of the detecting rod 151 is retracted into the second sliding groove 141 (see fig. 7), and the restoring elastic member 152 is compressed, at this time, the detecting rod 151 reaches the detecting position of the detecting member 153 and is detected by the detecting member 153, so that the system determines that the second connector 210 is coupled to the first connector 140. When the second connector 210 is disconnected from the first connector 140, the reset elastic member 152 resets, so as to push the detecting rod 151 to move to the non-detecting position (as shown in fig. 5), at this time, the detecting rod 151 leaves the detecting position, the detecting member 153 cannot detect the detecting rod 151, so as to give an alarm signal, so that an operator knows that the second connector 210 is disconnected from the first connector 140 in time, the transducer 230 cannot reciprocate any more, and the situation that the transducer 230 is continuously used after the second connector 210 is disconnected from the first connector 140 is avoided, and further, the situation that the skin is damaged due to the fact that the transducer 230 cannot reciprocate, which is caused by the energy concentration, is avoided, and the safety of ultrasonic treatment is improved.

In order to reduce the overall volume of the handle assembly 100, a first sliding groove 121 penetrating through both ends of the driving shaft 120 is formed in the driving shaft 120, the first connecting member 140 is a hollow magnet, the first connecting member 140 is fixed at one end of the driving shaft 120, a second sliding groove 141 penetrating through both ends of the first connecting member 140 is formed in the first connecting member 140, and the detecting rod 151 is slidably inserted into the first sliding groove 121 and the second sliding groove 141, so that the detecting rod 151 can be embedded into the driving shaft 120 and the first connecting member 140, and the overall volume of the handle assembly 100 can be greatly reduced.

In order to increase the range of action of the transducer 230, referring to fig. 1-6, in a preferred embodiment, the driving assembly 130 includes a slider 131, a driving screw 132, and a driving motor 133, the driving motor 133 is connected to the driving screw 132 and is used for driving the driving screw 132 to rotate, the slider 131 is connected to the driving screw 132 through threads, two ends of the reset elastic member 152 are respectively connected to the detecting rod 151 and the slider 131, specifically, a driving screw hole 1311 is formed in the slider 131, the driving screw 132 is rotatably disposed in the handle housing 110, and the driving screw 132 is rotatably connected to the driving screw hole 1311 through threads. When in use, the driving screw rod 132 is driven to rotate through the driving motor 133, the driving screw rod 132 acts on the sliding block 131 when rotating, and the sliding block 131 can not rotate due to the limit of the handle shell 110, so that the rotation of the driving screw rod 132 is converted into the movement of the sliding block 131, the driving shaft 120 is driven to move when the sliding block 131 moves, the transducer 230 is driven to move, the moving direction of the transducer 230 can be changed by controlling the forward rotation and the reverse rotation of the driving motor 133, and the reciprocating movement of the transducer 230 is realized, so that the acting range of the transducer 230 is enlarged.

Specifically, a limiting groove 111 is formed in the handle housing 110, and the slider 131 is slidably disposed in the limiting groove 111.

In order to specifically implement the function of the detecting member 153, referring to fig. 2 to 7, in a preferred embodiment, the detecting member 153 is a distance sensor, the distance sensor is fixed on the slider 131, and a probe of the distance sensor is disposed toward one end of the detecting rod 151. In this embodiment, the detecting member 153 may be a photoelectric sensor or an ultrasonic distance sensor, so long as the sensor capable of detecting distance can be applied to the present utility model, and the present utility model is not limited thereto. In a preferred embodiment, a photoelectric sensor with a smaller detection range may be selected, when the detection rod 151 arrives at the detection position (as in fig. 7), one end of the detection rod 151 arrives within the detection range of the photoelectric sensor, and when the detection rod 151 leaves the detection position (as in fig. 5), one end of the detection rod 151 leaves the detection range of the photoelectric sensor, the photoelectric sensor cannot detect the detection rod 151, and an alarm signal is sent.

In order to implement the function of the detecting member 153, referring to fig. 2-5, in another preferred embodiment, the detecting member 153 is a normally closed micro-switch, the handle assembly 100 further includes a power source and an alarm, the normally closed micro-switch, the alarm and the power source are connected in series to form a loop, the normally closed micro-switch is mounted on the slider 131, the contact of the normally closed micro-switch is located at the detecting position, when the detecting rod reaches the detecting position (as shown in fig. 7), one end of the detecting rod 151 contacts with the contact of the normally closed micro-switch, and the normally closed micro-switch is normally closed, so that the normally closed micro-switch is turned off at this time, the alarm is not energized, and when the detecting rod 151 leaves the detecting position (as shown in fig. 5), one end of the detecting rod 151 is separated from the contact of the normally closed micro-switch, and the normally closed micro-switch is energized, so that the alarm signal is sent.

It should be understood that the detecting member 153 may be a distance sensor or a normally closed micro-switch as described above, or may be another type of detector, as long as the detection of the position of the detecting rod 151 can be achieved, which is not limited by the present utility model.

In order to specifically implement the installation of the return elastic member 152, referring to fig. 2 to 4, in a preferred embodiment, a limiting protrusion 1511 is formed on the detecting rod 151, the return elastic member 152 is sleeved on the detecting rod 151, one end of the return elastic member 152 abuts against the limiting protrusion 1511, and the other end of the return elastic member 152 abuts against the driving shaft 120. In use, when the detecting rod 151 is pushed by the second connecting piece 210, the limiting protrusion 1511 of the detecting rod 151 presses the reset elastic piece 152 to compress the reset elastic piece 152, and when the second connecting piece 210 is disengaged, the reset elastic piece 152 naturally stretches under the action of elastic restoring force, and it should be understood that the reset elastic piece 152 may be a spring or a shrapnel, which is not limited in the utility model.

In order to prevent the detection rod 151 from being separated from the driving shaft 120, referring to fig. 2 to 6, in a preferred embodiment, a receiving groove 122 communicating with the first sliding groove 121 is further formed in the driving shaft 120, the inner diameter of the receiving groove 122 is larger than that of the first sliding groove 121, and the limit protrusion 1511 is slidably disposed in the receiving groove 122, so that the limit protrusion 1511 cannot enter the first sliding groove 121, thereby preventing the detection rod 151 from being separated from the driving shaft 120.

In order to improve the stability of the detecting member 153, referring to fig. 2-6, in a preferred embodiment, a receiving groove 1312 is formed in the slider 131, a connection hole 1313 communicating with the receiving groove 122 is formed on an inner wall of the receiving groove 1312, the detecting rod 151 is slidably disposed in the connection hole 1313, the detecting member 153 is disposed in the receiving groove 1312, and by disposing the detecting member 153 in the receiving groove 1312, the detecting member 153 is prevented from being interfered by an external environment, and the accuracy of the detecting result is improved.

In order to fix the driving shaft 120 to the slider 131, referring to fig. 5 and 6, in a preferred embodiment, the driving shaft 120 is fixedly connected to the slider 131 through a connecting screw.

In order to achieve the fixed connection between the driving shaft 120 and the slider 131 via a connection screw, referring to fig. 5 and 6, in a preferred embodiment, a fixing screw hole 123 is formed on the driving shaft 120, a relief hole 1314 is formed on the slider 131 and matched with the fixing screw hole 123, and the connection screw is inserted into the fixing screw hole 123 after passing through the relief hole 1314.

In order to fix the first connecting member 140 to the end of the driving shaft 120, referring to fig. 5 and 6, in a preferred embodiment, a mounting groove 124 communicating with the first sliding groove 121 is formed at the end of the driving shaft 120, and the first connecting member 140 is fixed in the mounting groove 124.

The utility model also provides an ultrasonic treatment hand tool which comprises the detection mechanism 150.

For a better understanding of the present utility model, the following detailed description of the working process of the ultrasonic therapy hand tool provided by the present utility model is provided with reference to fig. 1 to 7: in use, when the first connector 140 is coupled to the second connector 210 of the therapeutic head assembly 200, the second connector 210 pushes the detecting rod 151 to move during moving to the first connector 140, so that one end of the detecting rod 151 is retracted into the second sliding groove 141 (see fig. 7), and the restoring elastic member 152 is compressed, at this time, the detecting rod 151 reaches the detecting position of the detecting member 153 and is detected by the detecting member 153, so that the system determines that the second connector 210 is coupled to the first connector 140. When the second connector 210 is disconnected from the first connector 140, the reset elastic member 152 resets, so as to push the detecting rod 151 to move to the non-detecting position (as shown in fig. 5), at this time, the detecting rod 151 leaves the detecting position, the detecting member 153 cannot detect the detecting rod 151, so as to give an alarm signal, so that an operator knows that the second connector 210 is disconnected from the first connector 140 in time, the transducer 230 cannot reciprocate any more, and the situation that the transducer 230 is continuously used after the second connector 210 is disconnected from the first connector 140 is avoided, and further, the situation that the skin is damaged due to the fact that the transducer 230 cannot reciprocate, which is caused by the energy concentration, is avoided, and the safety of ultrasonic treatment is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A detection mechanism (150) for detection of ultrasonic therapy hand tool, ultrasonic therapy hand tool includes handle subassembly (100) and treatment head subassembly (200), handle subassembly (100) include drive assembly (130), drive shaft (120) and first connecting piece (140), treatment head subassembly (200) include transducer (230) and second connecting piece (210) that are connected with transducer (230), and first connecting piece (140) and second connecting piece (210) can the coupling be connected, characterized in that, detection mechanism (150) include detection pole (151), reset elastic component (152) and detection piece (153), detection pole (151) along the length direction of drive shaft (120) with drive shaft (120) sliding connection, reset elastic component (152) both ends respectively with detection pole (151) and drive assembly (130) are connected, when first connecting piece and second connecting piece coupling are connected, second connecting piece (210) promote detection pole (151) and make detection pole (151) reach detection position, reset elastic component (152) and detect whether deformation is taking place for detection pole (151) detection position.

2. The detection mechanism (150) according to claim 1, wherein a first sliding groove (121) penetrating through both ends of the driving shaft (120) is formed in the driving shaft (120), the first connecting member (140) is fixed at one end of the driving shaft (120), a second sliding groove (141) penetrating through both ends of the first connecting member (140) is formed in the first connecting member (140), and the detection rod (151) is slidably inserted into the first sliding groove (121) and the second sliding groove (141).

3. The detection mechanism (150) according to claim 2, wherein the driving assembly (130) comprises a slider (131), a driving screw (132) and a driving motor (133), the driving motor (133) is connected with the driving screw (132) and is used for driving the driving screw (132) to rotate, the slider (131) is connected with the driving screw (132) through threads, and two ends of the reset elastic piece (152) are respectively connected with the detection rod (151) and the slider (131).

4. A detection mechanism (150) according to claim 3, wherein the detection member (153) is a distance sensor fixed to the slider (131), and a probe of the distance sensor is disposed toward one end of the detection rod (151).

5. The detection mechanism (150) of claim 3, wherein the detection member (153) is a normally closed micro-switch, the handle assembly (100) further comprises a power source and an alarm, the normally closed micro-switch, the alarm and the power source are connected in series to form a loop, the normally closed micro-switch is mounted on the slider (131), and a contact of the normally closed micro-switch is located at the detection position.

6. The detection mechanism (150) according to claim 3, wherein a limit protrusion (1511) is formed on the detection rod (151), the reset elastic member (152) is sleeved on the detection rod (151), one end of the reset elastic member (152) is abutted to the limit protrusion (1511), and the other end of the reset elastic member (152) is abutted to the slider (131).

7. The detection mechanism (150) according to claim 6, wherein the drive shaft (120) is formed with a receiving groove (122) communicating with the first sliding groove (121), an inner diameter of the receiving groove (122) is larger than an inner diameter of the first sliding groove (121), the limit projection (1511) is slidably disposed in the receiving groove (122), and the return elastic member (152) is disposed in the receiving groove (122).

8. The detecting mechanism (150) according to claim 7, wherein a receiving groove (1312) is formed in the slider (131), a connection hole (1313) communicating with the receiving groove (122) is formed in an inner wall of the receiving groove (1312), the detecting rod (151) is slidably disposed in the connection hole (1313), and the detecting member (153) is disposed in the receiving groove (1312).

9. The detection mechanism (150) according to claim 2, wherein an end of the drive shaft (120) is provided with a mounting groove (124) communicating with the first sliding groove (121), and the first connecting member (140) is fixed in the mounting groove (124).

10. An ultrasound therapy handpiece comprising a detection mechanism (150) as claimed in any one of claims 1 to 9.