CN215424710U - CT head centre gripping overload protection device - Google Patents
CT head centre gripping overload protection device Download PDFInfo
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- CN215424710U CN215424710U CN202023317376.5U CN202023317376U CN215424710U CN 215424710 U CN215424710 U CN 215424710U CN 202023317376 U CN202023317376 U CN 202023317376U CN 215424710 U CN215424710 U CN 215424710U
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Abstract
The utility model is suitable for the technical field of medical instruments, and provides a CT head clamping overload protection device, which comprises: the first temple clamp rotating module and the second temple clamp rotating module are oppositely arranged; the linear driving module comprises: the driving component is fixed on the base, the screw rod module is connected with the driving component in a transmission mode, the microswitch component, the stroke trigger plate, the buffer spring, the driving block and the sliding module are fixed on the base, the driving block is installed on the slide rail module, the screw rod module is connected with the driving block in a transmission mode, the buffer spring is pressed into the driving block, the stroke trigger plate is arranged on the screw rod module, and the microswitch component is arranged on the driving block. The utility model can realize automatic clamping adjustment, and has good clamping effect, strong buffering property and high safety.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a CT head clamping overload protection device.
Background
CT is abbreviated as CT in english (Computed Tomography) of "computer Tomography" or "computer Tomography", and CT examination is rapidly developed nationwide, and is an indispensable device in medical diagnosis.
The positioning of the head is of great importance for CT scanning and detection, and if the head of a patient shakes during CT scanning, the imaging quality of a CT machine is blurred, so that the diagnosis of medical staff is difficult, and if the diagnosis is serious, misdiagnosis and even the optimal treatment time of diseases are delayed. The existing head clamping devices are manually adjusted in clamping width and force, and the clamping structure is simple but needs to be manually adjusted to a proper position. The lead screw module is driven to move up and down through the rotary knob, and the temple clamp of the rotary temple rotating module is rotated to be opened and closed through the pressing plate.
However, the head clamp described above requires manual adjustment, determining the appropriate angle through user feedback; use at every turn and all need manual regulation, and need adjust different angles according to different users to make angle modulation effect poor, the security is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a CT head clamping overload protection device, aiming at solving the problem of poor clamping force and angle adjusting effect in the prior art.
The utility model is realized in this way, a CT head clamping overload protection device, comprising: the temple clamp comprises a base, a linear driving module fixed on the base, and a first temple clamp rotating module and a second temple clamp rotating module which are in transmission connection with the output end of the linear driving module, wherein the first temple clamp rotating module and the second temple clamp rotating module are arranged oppositely;
the linear driving module comprises: fix drive assembly on the base, with lead screw module, micro-gap switch subassembly, stroke trigger plate, buffer spring, drive block and the slip module that the drive assembly transmission is connected, the slide rail module is fixed on the base, the drive block is installed on the slide rail module, the lead screw module with the drive block transmission is connected, buffer spring impresses in the drive block, the stroke trigger plate sets up on the lead screw module, the micro-gap switch subassembly sets up on the drive block.
Still further, the drive assembly includes: the motor and with the shaft coupling that motor drive is connected, the other end of shaft coupling with lead screw module transmission is connected.
Still further, the lead screw module includes: the stroke trigger plate is arranged on the nut.
Still further, the microswitch assembly comprises: the travel trigger plate is arranged between the first microswitch and the second microswitch.
Furthermore, the first microswitch is fixed on the supporting seat, and the second microswitch is fixed on the driving block.
Further, the first temple-bar rotating module and the second temple-bar rotating module are identical in structure.
Still further, the first temple-bar rotation module includes: connecting rod, dwang, bearing, reset torsion spring, rotation fixing base, reset spring subassembly and temple press from both sides the plug, the one end of connecting rod with the drive block is connected, the other end of connecting rod is installed on the dwang, the torsional spring cover that resets is established on the dwang, set up on the dwang the bearing, rotate the fixing base with the bearing cooperation sets up, the reset spring unit mount is in on the dwang, the temple press from both sides the plug with the reset spring subassembly cooperation.
Furthermore, the rotary seat is fixed on the base, and the rotary fixing seat is rotatably arranged on the rotary seat.
Furthermore, the driving block is relatively provided with a strip hole, and the connecting rod is inserted into the strip hole.
Compared with the prior art, the utility model has the following beneficial effects: the first temple clamp rotating module and the second temple clamp rotating module are driven by the linear driving module on the base to carry out angle adjustment so as to adapt to different users; the driving assembly fixed on the base drives the screw rod module to drive the driving block to move, the buffer spring is pressed into the driving block, the stroke trigger plate is arranged on the screw rod module, the microswitch assembly is arranged on the driving block, and the automation is realized through the control and the regulation of a motor; the overload protection device is added, the situation that clamping force is too large and uncontrollable is not needed to be worried, the clamping force is determined by the buffer spring, the clamping force is not directly applied by the motor, the protection effect is provided, and the safety is high.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a CT head clamping overload protection device provided by the present invention;
FIG. 2 is a schematic view of an overall structure of the linear driving module according to the present invention;
FIG. 3 is an exploded view of the linear driving module according to the present invention;
fig. 4 is an exploded view of the first temple-bar rotating module according to the present invention;
FIG. 5 is a front view of a CT head clamp overload protection device according to a first working state of the present invention;
FIG. 6 is a perspective view of a CT head clamp overload protection device according to a first working condition of the present invention;
FIG. 7 is a second front view of the overload protection device for CT head clamp according to the present invention;
fig. 8 is a perspective view of a CT head clamp overload protection device according to a second working state of the utility model.
In the figure, 100, an overload protection device, 1, a base, 2, a linear driving module, 21, a driving component, 211, a motor, 212, a coupling, 22, a screw rod module, 221, a supporting seat, 222, a screw rod, 223, a nut, 23, a micro switch component, 231, a first micro switch, 232, a second micro switch, 24, a stroke trigger plate, 25, a buffer spring, 26, a driving block, 27, a sliding rail module, 3, a first temple clamp rotating module, 31, a connecting rod, 32, a rotating rod, 33, a bearing, 34, a reset torsion spring, 35, a rotating fixing seat, 36, a reset spring component, 37, a temple clamp plug, 38, a rotating seat, 4, a second temple clamp rotating module, 5, a strip hole, 6 and a temple clamp.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the embodiment of the utility model, the first temple clamp rotating module and the second temple clamp rotating module are driven by the linear driving module on the base to carry out angle adjustment so as to adapt to different users; the driving assembly fixed on the base drives the screw rod module to drive the driving block to move, the buffer spring is pressed into the driving block, the stroke trigger plate is arranged on the screw rod module, the microswitch assembly is arranged on the driving block, and the automation is realized through the control and the regulation of a motor; the overload protection device is added, the situation that clamping force is too large and uncontrollable is not needed to be worried, the clamping force is determined by the buffer spring, the clamping force is not directly applied by the motor, the protection effect is provided, and the safety is high.
Example one
The present invention provides a CT head clamp overload protection device 100, as shown in fig. 1-8, comprising: the temple clamping device comprises a base 1, a linear driving module 2 fixed on the base 1, and a first temple clamp rotating module 3 and a second temple clamp rotating module 4 which are in transmission connection with the output end of the linear driving module 2, wherein the first temple clamp rotating module 3 and the second temple clamp rotating module 4 are arranged oppositely; the linear driving module 2 includes: fix drive assembly 21 on the base 1, with lead screw module 22, micro-gap switch subassembly 23, stroke trigger plate 24, buffer spring 25, driving block 26 and the slip module that drive assembly 21 transmission is connected, slide rail module 27 is fixed on the base 1, the driving block 26 is installed on the slide rail module 27, lead screw module 22 with driving block 26 transmission is connected, buffer spring 25 impresses in the driving block 26, stroke trigger plate 24 sets up on the lead screw module 22, micro-gap switch subassembly 23 sets up on the driving block 26.
Specifically, the linear driving module 2, the first temple clamp rotating module 3 and the second temple clamp rotating module 4 are sequentially mounted on the base 1. And first temple angle presss from both sides rotation module 3 and second temple angle and presss from both sides rotation module 4 and go up and connect the temple angle and press from both sides, and the temple angle presss from both sides the head that is used for adapting to the user, is convenient for adjust first temple angle through linear drive module 2 and presss from both sides rotation module 3 and second temple angle and press from both sides rotation module 4 rotatory to it is tight that the different user's head of adaptation is pressed from both sides to make the temple angle press from both sides, and then conveniently carries out CT detection to user's head. The control and regulation are realized through the driving assembly 21, and the automation effect is good.
Specifically, the slide rail module 27 is fixed on the base 1, the driving block 26 is installed on the slide rail module 27, the lead screw module 22 is in transmission connection with the driving block 26, the buffer spring 25 is pressed into the driving block 26, the stroke trigger plate 24 is arranged on the lead screw module 22, and the microswitch assembly 23 is arranged on the driving block 26. When the stroke trigger plate 24 on the linear driving moving module is driven by the driving motor 211 and moves back and forth along with the nut 223 on the screw rod module 22, when the stroke trigger plate 24 moves towards the micro switch module 23, the driving block 26 drives the temple clamp module to open or close towards the outer side, when the trigger plate presses the micro switch module 23, the motor 211 stops moving, the temple clamp is in an open state, and the clamping force is the elastic force of the buffer spring 25. The buffer effect is good, and the security is high.
In the embodiment of the utility model, the first temple clamp rotating module 3 and the second temple clamp rotating module 4 are driven by the linear driving module 2 on the base 1 to carry out angle adjustment so as to adapt to different users; the driving assembly 21 fixed on the base 1 drives the screw rod module 22 to drive the driving block 26 to move, the buffer spring 25 is pressed into the driving block 26, the stroke trigger plate 24 is arranged on the screw rod module 22, the microswitch assembly 23 is arranged on the driving block 26, and the motor 211 is used for controlling and adjusting to realize automation; the overload protection device is added, the clamping force is not required to be too large and uncontrollable, the clamping force is determined by the buffer spring 25, the clamping force is not directly applied by the motor 211, the protection effect is provided, and the safety is high.
In the present embodiment, as shown in fig. 1 to 3, the driving assembly 21 includes: the motor 211 and with the shaft coupling 212 of motor 211 transmission connection, the other end of shaft coupling 212 with lead screw module 22 transmission connection. Through fixing motor 211 on base 1, utilize the connector to connect motor 211 and lead screw module transmission for motor 211 is convenient for drive lead screw module 22 and is moved, thereby is convenient for adjust first temple angle clamp rotation module 3 and second temple angle clamp rotation module 4 rotatory, and then realizes the angle regulation of temple angle clamp 6. The automation effect is good, and the use is convenient.
Further, the motor 211 is a servo motor, which can control the speed and position accuracy accurately, and can convert the voltage signal into torque and rotation speed to drive the controlled object.
In this embodiment, as shown in fig. 1 to 3, the lead screw module 22 includes: the stroke trigger device comprises a support seat 221 fixed on the base 1, a screw rod 222 arranged on the support seat 221, and a nut 223 arranged on the screw rod 222, wherein the nut 223 is arranged on the driving block 26, and the stroke trigger plate 24 is arranged on the nut 223. The supporting seat 221 is used for supporting and arranging the screw rod 222, the nut 223 is arranged on the screw rod 222, the stroke trigger plate 24 is arranged on the nut 223, the motor 211 is used for driving the screw rod 222 to move to drive the stroke trigger plate 24 to swing, the stroke trigger plate 24 is contacted with the micro switch assembly 23, and then the micro switch assembly 23 is used for effective control, and safety is high.
In the present embodiment, as shown in fig. 1 to 3, the microswitch assembly 23 comprises: the first microswitch 231 and the second microswitch 232 are correspondingly arranged, and the stroke trigger plate 24 is arranged between the first microswitch 231 and the second microswitch 232.
In this embodiment, as shown in fig. 1 to 3, the first microswitch 231 is fixed on the support seat 221, and the second microswitch 232 is fixed on the driving block 26.
As shown in fig. 5-6, when the stroke trigger plate 24 on the linear driving module is driven by the motor 211 and moves back and forth along with the nut 223 on the lead screw module 22, when the stroke trigger plate 24 moves toward the first micro switch 231, the driving block 26 drives the first temple bar rotating module 3 and the second temple bar rotating module 4 to open outward, and when the stroke trigger plate 24 presses the first micro switch 231, the motor 211 stops moving, and the temple bar is in the open state.
As shown in fig. 7-8, when the stroke trigger plate 24 on the linear driving die is driven by the motor 211, along with the back and forth movement of the nut 223 on the lead screw module 22, when the stroke trigger plate 24 moves toward the second micro switch 232, the driving block 26 drives the first temple bar rotating module 3 and the second temple bar rotating module 4 to close toward the inside, when the first temple bar rotating module 3 and the second temple bar rotating module 4 clamp the head, the driving block 26 stops moving, but the nut 223 on the lead screw module 22 continues to press the buffer spring 25 until the second micro switch 232 is triggered, the motor 211 stops moving, the temple bar 6 is in the open state, the clamping force is the elastic force of the buffer spring 25, the adjusting effect is good, and the safety is high.
In the present embodiment, as shown in fig. 1 to 8, the first temple-bar rotating module 3 and the second temple-bar rotating module 4 are identical in structure. Make first temple limit pole rotation module 3 with be convenient for adjust the angle of temple limit pole 6 when second temple limit pole rotation module 4 rotates, convenient to use.
In the present embodiment, as shown in fig. 1 to 4, the first temple-bar rotating module 3 includes: connecting rod 31, dwang 32, bearing 33, reset torsion spring 34, rotation fixing base 35, reset spring subassembly 36 and temple angle clamp plug 37, the one end of connecting rod 31 with the drive block 26 is connected, the other end of connecting rod 31 is installed on the dwang 32, reset torsion spring 34 cover is established on the dwang 32, set up on the dwang 32 bearing 33, rotation fixing base 35 with the cooperation of bearing 33 sets up, reset spring subassembly 36 is installed on the dwang 32, temple angle clamp plug 37 with the cooperation of reset spring subassembly 36. The motor 211 drives the driving block 26 to move to drive the connecting rod 31 to move, so that the rotating rod 32 is adjusted to rotate through the connecting rod 31, the reset torsion spring 34 is sleeved on the rotating rod 32, the bearing 33 is installed on the rotating fixing seat 35, and the reset effect of the temple clamp 6 is realized by matching the induction reset spring assembly 36 with the temple clamp plug 37.
In this embodiment, as shown in fig. 1 to 4, the device further includes a rotating base 38 fixed on the base 1, and the rotating fixing base 35 is rotatably disposed on the rotating base 38. Be convenient for support and set up rotation fixing base 35, it is better to rotate fixing base 35 when rotating.
In this embodiment, as shown in fig. 1 to 4, the driving block 26 is relatively provided with a long hole 5, and the connecting rod 31 is inserted into the long hole 5. Is used for limiting the movement position of the connecting rod 31, and has high safety.
In summary, as shown in fig. 1 to 8, the working principle of the present invention is as follows:
when stroke trigger plate 24 on linear drive module 2 is under the drive of motor 211, along with nut 223 reciprocating motion on the lead screw module 22, when stroke trigger plate 24 moved toward first micro-switch 231, drive block 26 drove first temple clamp rotation module 3 and second temple clamp rotation module 4 and opened towards the outside, when stroke trigger plate 24 pressed first micro-switch 231, motor 211 stopped moving, and temple clamp 6 was in the state of opening.
When stroke trigger plate 24 on sharp drive module 2 is under the drive of motor 211, along with nut 223 reciprocating motion on the lead screw module 22, when stroke trigger plate 24 toward second micro-gap switch 232 motion, driving block 26 drives first temple clamp rotation module 3 and second temple clamp rotation module 4 to close to the inboard, when first temple clamp rotation module 3 and second temple clamp rotation module 4 clip the head, driving block 26 stop motion, but nut 223 on the lead screw module 22 continues to compress tightly buffer spring 25, until triggering second micro-gap switch 232, motor 211 stop motion, temple clamp 6 is in the state of opening, the clamp force is buffer spring 25's elasticity, it is effectual to adjust, and the security is high.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A CT head clamping overload protection device is characterized by comprising: the temple clamp comprises a base, a linear driving module fixed on the base, and a first temple clamp rotating module and a second temple clamp rotating module which are in transmission connection with the output end of the linear driving module, wherein the first temple clamp rotating module and the second temple clamp rotating module are arranged oppositely;
the linear driving module comprises: fix drive assembly on the base, with lead screw module, micro-gap switch subassembly, stroke trigger plate, buffer spring, drive block and the slip module that the drive assembly transmission is connected, the slide rail module is fixed on the base, the drive block is installed on the slide rail module, the lead screw module with the drive block transmission is connected, buffer spring impresses in the drive block, the stroke trigger plate sets up on the lead screw module, the micro-gap switch subassembly sets up on the drive block.
2. The CT head clamp overload protection device according to claim 1, wherein the drive assembly includes: the motor and with the shaft coupling that motor drive is connected, the other end of shaft coupling with lead screw module transmission is connected.
3. The CT head clamp overload protection device according to claim 2, wherein the lead screw module comprises: the stroke trigger plate is arranged on the nut.
4. The CT head clamp overload protection device of claim 3, wherein the microswitch assembly comprises: the travel trigger plate is arranged between the first microswitch and the second microswitch.
5. The CT head clamp overload protection device of claim 4, wherein the first microswitch is fixed to the support block and the second microswitch is fixed to the drive block.
6. The CT head clamp overload protection device of claim 1, wherein the first temple-bar rotation module and the second temple-bar rotation module are identical in structure.
7. The CT head clamp overload protection device of claim 6, wherein the first temple clip rotation module comprises: connecting rod, dwang, bearing, reset torsion spring, rotation fixing base, reset spring subassembly and temple press from both sides the plug, the one end of connecting rod with the drive block is connected, the other end of connecting rod is installed on the dwang, the torsional spring cover that resets is established on the dwang, set up on the dwang the bearing, rotate the fixing base with the bearing cooperation sets up, the reset spring unit mount is in on the dwang, the temple press from both sides the plug with the reset spring subassembly cooperation.
8. The CT head clamp overload protection device of claim 7, further comprising a rotating base fixed on the base, wherein the rotating fixing base is rotatably arranged on the rotating base.
9. The CT head clamp overload protection device of claim 7, wherein the driving block is oppositely provided with a long hole, and the connecting rod is inserted into the long hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023317376.5U CN215424710U (en) | 2020-12-31 | 2020-12-31 | CT head centre gripping overload protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023317376.5U CN215424710U (en) | 2020-12-31 | 2020-12-31 | CT head centre gripping overload protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215424710U true CN215424710U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023317376.5U Active CN215424710U (en) | 2020-12-31 | 2020-12-31 | CT head centre gripping overload protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215424710U (en) |
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2020
- 2020-12-31 CN CN202023317376.5U patent/CN215424710U/en active Active
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