CN219071208U - Transmission mechanism for cardiopulmonary resuscitation machine and cardiopulmonary resuscitation machine - Google Patents
Transmission mechanism for cardiopulmonary resuscitation machine and cardiopulmonary resuscitation machine Download PDFInfo
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- CN219071208U CN219071208U CN202222790972.8U CN202222790972U CN219071208U CN 219071208 U CN219071208 U CN 219071208U CN 202222790972 U CN202222790972 U CN 202222790972U CN 219071208 U CN219071208 U CN 219071208U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 156
- 238000002680 cardiopulmonary resuscitation Methods 0.000 title claims abstract description 57
- 238000009434 installation Methods 0.000 claims description 18
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002612 cardiopulmonary effect Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004217 heart function Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009325 pulmonary function Effects 0.000 description 2
- 206010038669 Respiratory arrest Diseases 0.000 description 1
- 206010049418 Sudden Cardiac Death Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000014221 sudden cardiac arrest Diseases 0.000 description 1
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Abstract
The utility model belongs to the technical field of medical appliances, and particularly relates to a transmission mechanism for a cardiopulmonary resuscitation machine and the cardiopulmonary resuscitation machine. The transmission mechanism for the cardiopulmonary resuscitation machine comprises a mounting seat, a screw-nut mechanism, a motor, a first belt pulley, a second belt pulley, a transmission belt, a first tensioning wheel and a second tensioning wheel, wherein the motor, the first belt pulley, the second belt pulley, the transmission belt, the first tensioning wheel and the second tensioning wheel are all arranged on the mounting seat; the output end of the motor is connected with the first belt pulley, and the transmission belt is wound between the first belt pulley and the second belt pulley; the first tensioning wheel and the second tensioning wheel are used for adjusting the tensioning force of the transmission belt; the second belt pulley is connected with the screw nut mechanism. In the utility model, the transmission mechanism for the cardiopulmonary resuscitator has compact structure and small occupied space, the transmission wheel of the screw-nut mechanism is added, and the structure is simple and the manufacturing cost is low.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a transmission mechanism for a cardiopulmonary resuscitation machine and the cardiopulmonary resuscitation machine.
Background
When a person is in a dead state due to a certain cause such as sudden cardiac arrest, sudden respiratory arrest, etc., cardiac function or pulmonary function is lost, a few emergency measures are commonly used to recover the heart beat or respiratory function of the patient, and the biological phenomenon of recovering the lost cardiac and pulmonary functions is cardiopulmonary resuscitation.
With the continuous progress of technology, more and more cardiopulmonary resuscitation machines are applied to medical institutions and households; cardiopulmonary resuscitators can assist people in pressing the chest of a patient. The transmission mechanism is an important component part on the cardiopulmonary resuscitation machine, and can convert the machinery of a motor and the like into kinetic energy for beating the chest of a patient. In the prior art, the transmission mechanism of the cardiopulmonary resuscitation machine has the defects of complex structure and low transmission efficiency.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: aiming at the problems of complex structure and low transmission efficiency of the transmission mechanism of the traditional cardiopulmonary resuscitation machine, the transmission mechanism for the cardiopulmonary resuscitation machine and the cardiopulmonary resuscitation machine are provided.
In order to solve the technical problems, an embodiment of the utility model provides a transmission mechanism for a cardiopulmonary resuscitation machine, which comprises a mounting seat, a screw-nut mechanism, a motor, a first belt pulley, a second belt pulley, a transmission belt, a first tensioning wheel and a second tensioning wheel, wherein the motor, the first belt pulley, the second belt pulley, the transmission belt, the first tensioning wheel and the second tensioning wheel are all arranged on the mounting seat; the output end of the motor is connected with the first belt pulley, and the transmission belt is wound between the first belt pulley and the second belt pulley; the first tensioning wheel and the second tensioning wheel are used for adjusting the tensioning force of the transmission belt; the second belt pulley is connected with the screw nut mechanism.
Optionally, the first take-up pulley includes first installation axle, first elastic sleeve and first wheel body, first installation axle is installed on the mount pad, first elastic sleeve cup joints on the first installation axle, first wheel body cup joints on the first elastic sleeve, just first wheel body with drive belt butt.
Optionally, the second tensioning wheel includes second installation axle, second elastic sleeve and second wheel body, the second installation axle is installed on the mount pad, the second elastic sleeve cup joints on the second installation axle, the second wheel body cup joints on the second elastic sleeve, just the second wheel body with drive belt butt.
Optionally, the screw-nut mechanism comprises a screw, a nut and a first transmission sleeve, the screw is rotatably installed on the installation seat, and the second belt pulley is connected with the screw; the nut is sleeved on the screw rod, the first transmission sleeve is sleeved on the nut and the screw rod, and the first transmission sleeve is fixedly connected with the nut; the second belt pulley is used for driving the first transmission sleeve to move through the screw rod and the nut.
Optionally, the screw nut mechanism further includes a second transmission sleeve provided with a first elongated through groove, the second transmission sleeve is sleeved on the first transmission sleeve, a protruding portion is provided on the first transmission sleeve, the protruding portion is inserted into the first elongated through groove, and the first transmission sleeve is used for driving the second transmission sleeve to move through the protruding portion inserted into the first elongated through groove.
Optionally, the second transmission sleeve comprises an upper sleeve and a lower sleeve, the upper sleeve is provided with an inserting part, and the inserting part is inserted into the lower sleeve;
the screw rod nut mechanism further comprises a mounting block provided with a through hole and a first elastic piece sleeved on the screw rod, and the first elastic piece is positioned between the first transmission sleeve and the second transmission sleeve; one end of the screw rod, which is far away from the mounting seat, penetrates through the through hole, and two opposite ends of the first elastic piece are respectively abutted with the inserting connection part and the mounting block.
Optionally, the transmission mechanism for the cardiopulmonary resuscitation machine further comprises a transmission disc, wherein the transmission disc is arranged at one end of the second transmission sleeve, which is far away from the nut;
the screw nut mechanism further comprises a second elastic piece, and the second elastic piece is installed between the installation block and the transmission disc.
Optionally, the screw-nut mechanism further comprises a limiting sleeve provided with a second strip-shaped through groove, the limiting sleeve is sleeved on the second transmission sleeve, and the limiting sleeve is fixedly connected with the mounting seat; one end of the protruding part penetrates through the first long strip-shaped through groove and then is inserted into the second long strip-shaped through groove.
Optionally, the transmission mechanism for the cardiopulmonary resuscitation machine further comprises an outer cylinder sleeved on the limiting sleeve, and the outer cylinder is fixedly installed on the installation seat.
The utility model also provides a cardiopulmonary resuscitation machine, which comprises the transmission mechanism for the cardiopulmonary resuscitation machine and a sucker, wherein the sucker is arranged on the screw nut mechanism.
Optionally, the cardiopulmonary resuscitation machine further comprises an air inlet fan, an air outlet fan and a box body provided with an inner space, and the transmission mechanism for the cardiopulmonary resuscitation machine is positioned in the inner space; the air inlet fan and the air outlet fan are both arranged on the bottom plate of the box body.
According to the utility model, the motor drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the transmission belt, the second belt pulley drives the screw rod nut mechanism to move, the screw rod nut mechanism can drive the sucker and the like to move, and the sucker can suck the chest of a patient, so that the function of pressing the chest of the patient is achieved. In the utility model, the transmission mechanism for the cardiopulmonary resuscitator has compact structure and small occupied space, the transmission wheel of the screw-nut mechanism is added, and the structure is simple and the manufacturing cost is low. In addition, the first tensioning wheel and the second tensioning wheel can play a role in adjusting the tensioning force of the transmission belt, so that the transmission efficiency of the transmission mechanism for the cardiopulmonary resuscitation machine is guaranteed.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a part of a cardiopulmonary resuscitation machine according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a part of a transmission mechanism for a cardiopulmonary resuscitation machine according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a part of a transmission mechanism for a cardiopulmonary resuscitation machine according to an embodiment of the present utility model;
FIG. 4 is a partial cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of a part of a transmission mechanism for a cardiopulmonary resuscitation machine according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a first tensioning wheel of a transmission mechanism for a cardiopulmonary resuscitation machine according to an embodiment of the present utility model.
Reference numerals in the specification are as follows:
1. a mounting base; 2. a screw-nut mechanism; 21. a screw rod; 22. a nut; 23. a first transmission sleeve; 231. a protruding portion; 24. a second transmission sleeve; 241. a first elongated through slot; 242. an upper sleeve; 2421. a plug-in part; 243. a lower sleeve; 25. a first elastic member; 26. a mounting block; 3. a motor; 4. a first pulley; 5. a second pulley; 6. a drive belt; 7. a first tensioning wheel; 71. a first mounting shaft; 72. a first elastic sleeve; 73. a first wheel body; 8. a second tensioning wheel; 9. a drive plate; 101. a second elastic member; 102. a limit sleeve; 1021. a second elongated through slot; 103. an outer cylinder; 104. an air intake fan; 105. an air outlet fan; 106. a box body.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1, the transmission mechanism for a cardiopulmonary resuscitation machine provided by an embodiment of the present utility model includes a mounting base 1, a screw-nut mechanism 2, and a motor 3, a first belt pulley 4, a second belt pulley 5, a transmission belt 6, a first tensioning wheel 7 and a second tensioning wheel 8 all mounted on the mounting base 1; the output end of the motor 3 is connected with the first belt pulley 4, and the transmission belt 6 is wound between the first belt pulley 4 and the second belt pulley 5; the first tensioning wheel 7 and the second tensioning wheel 8 are used for adjusting the tensioning force of the transmission belt 6; the second pulley 5 is connected to the spindle nut mechanism 2. It will be appreciated that the first pulley 4, the second pulley 5, the first tensioning wheel 7 and the second tensioning wheel 8 are rotatably mounted on the mounting base 1 by means of a shaft and a bearing; preferably, the first tensioning wheel 7 and the second tensioning wheel 8 are symmetrically installed on two opposite sides of the driving belt 6, and the first tensioning wheel 7 and the second tensioning wheel 8 are abutted against the driving belt 6, that is, the driving belt 6 is pressed between the first belt pulley 4 and the second belt pulley 5 by the first tensioning wheel 7 and the second tensioning wheel 8.
Specifically, the motor 3 drives the first belt pulley 4 to rotate, the first belt pulley 4 drives the second belt pulley 5 to rotate through the transmission belt 6, the second belt pulley 5 drives the screw-nut mechanism 2 to move, the screw-nut mechanism 2 can drive a sucking disc and the like to move, and the sucking disc can suck the chest of a patient, so that the function of pressing the chest of the patient is achieved. In the embodiment, the transmission mechanism for the cardiopulmonary resuscitation machine has compact structure and small occupied space, the transmission wheel of the screw-nut mechanism 2 is added, and the structure is simple and the manufacturing cost is low. In addition, the first tensioning wheel 7 and the second tensioning wheel 8 can play a role in adjusting the tensioning force of the transmission belt 6, so that the transmission efficiency of the transmission mechanism for the cardiopulmonary resuscitation machine is ensured.
In an embodiment, as shown in fig. 1 and 6, the first tensioning wheel 7 includes a first mounting shaft 71, a first elastic sleeve 72, and a first wheel body 73, where the first mounting shaft 71 is mounted on the mounting base 1, the first elastic sleeve 72 is sleeved on the first mounting shaft 71, the first wheel body 73 is sleeved on the first elastic sleeve 72, and the first wheel body 73 abuts against the driving belt 6; it will be appreciated that the first wheel 73 is rotatably mounted on the first mounting shaft 71 by the first elastic sleeve 72, and the first elastic sleeve 72 may ensure a low tightening force of the first wheel 73 on the driving belt 6, thereby ensuring a tightening force of the first tightening wheel 7 on the driving belt 6.
The second tensioning wheel 8 comprises a second installation shaft, a second elastic sleeve and a second wheel body, the second installation shaft is installed on the installation base 1, the second elastic sleeve is sleeved on the second installation shaft, the second wheel body is sleeved on the second elastic sleeve, and the second wheel body is in butt joint with the transmission belt 6. It is understood that the second wheel body is rotatably mounted on the second mounting shaft through the second elastic sleeve, and the second elastic sleeve can ensure low tightening force of the second wheel body on the driving belt 6, so that tightening force of the second tensioning wheel 8 on the driving belt 6 is ensured.
In one embodiment, as shown in fig. 3 to 5, the screw-nut mechanism 2 includes a screw 21, a nut 22, and a first transmission sleeve 23, the screw 21 is rotatably mounted on the mounting base 1, and the second pulley 5 is connected to the screw 21; the nut 22 is sleeved on the screw rod 21, the first transmission sleeve 23 is sleeved on the nut 22 and the screw rod 21, and the first transmission sleeve 23 is fixedly connected with the nut 22; the second belt pulley 5 is used for driving the first transmission sleeve 23 to move through the screw rod 21 and the nut 22. It is to be understood that the screw 21 may be rotatably mounted on the mounting base 1 through a bearing, the nut 22 is in threaded connection with the screw 21, the nut 22 is sleeved on the upper portion of the screw 21, and the first transmission sleeve 23 is connected to the lower end of the nut 22.
Specifically, the second belt pulley 5 drives the screw rod 21 to rotate, the screw rod 21 drives the nut 22 to move up and down, and the nut 22 drives the first transmission sleeve 23 to move up and down, so that the first transmission sleeve 23 can drive the suction cup and the like to move up and down. In this embodiment, the screw nut mechanism 2 has a simple structure and low manufacturing cost. In addition, the first transmission sleeve 23 is sleeved on the screw rod 21, so that the first transmission sleeve 23 can play a role in protecting the screw rod 21, and the service life of the transmission mechanism for the cardiopulmonary resuscitation machine is prolonged.
In an embodiment, as shown in fig. 3, the screw nut mechanism 2 further includes a second transmission sleeve 24 provided with a first elongated through slot 241, the second transmission sleeve 24 is sleeved on the first transmission sleeve 23, a protruding portion 231 is provided on the first transmission sleeve 23, the protruding portion 231 is inserted into the first elongated through slot 241, and the first transmission sleeve 23 is configured to drive the second transmission sleeve 24 to move through the protruding portion 231 inserted into the first elongated through slot 241. As will be appreciated, the projection 231 is provided on the outer wall of the first transmission sleeve 23, and the first elongated through slot 241 is provided on the upper portion of the second transmission sleeve 24.
Specifically, during the downward movement of the second transmission sleeve 24, the protrusion 231 moves in the first elongated through slot 241; when the protruding portion 231 abuts against the lower inner wall of the first elongated through slot 241, the first transmission sleeve 23 will drive the second transmission sleeve 24 to move downward through the protruding portion 231, and the second transmission sleeve 24 drives the suction cup to move downward. In this embodiment, the screw nut mechanism 2 has a simple structure and low manufacturing cost.
In an embodiment, as shown in fig. 3 and 4, the second transmission sleeve 24 includes an upper sleeve 242 and a lower sleeve 243, the upper sleeve 242 is provided with a plug part 2421, and the plug part 2421 is inserted into the lower sleeve 243; as can be appreciated, the upper sleeve 242 is sleeved on the upper portion of the first transmission sleeve 23, the lower sleeve 243 is sleeved on the lower portion of the first transmission sleeve 23, and the upper sleeve 242 is fixedly connected with the lower sleeve 243 through the plugging portion 2421.
As shown in fig. 4 and 5, the screw nut mechanism 2 further includes a mounting block 26 provided with a through hole and a first elastic member 25 sleeved on the screw 21, and the first elastic member 25 is located between the first transmission sleeve 23 and the second transmission sleeve 24; one end of the screw rod 21, which is far away from the mounting seat 1, passes through the through hole, and two opposite ends of the first elastic member 25 respectively abut against the insertion portion 2421 and the mounting block 26. It will be appreciated that the first resilient member 25 includes, but is not limited to, a coil spring or the like, and the mounting block 26 may be fixedly mounted within a limit sleeve or the like.
Specifically, when the first transmission sleeve 23 drives the protruding portion 231 to move downward in the first elongated through slot 241, the first transmission sleeve 23 cannot drive the second transmission sleeve 24 to move downward, the lower end of the second transmission sleeve 24 passes through the through hole to move downward, and the mounting block 26 is fixed; at this time, the first elastic member 25 is compressed between the mounting block 26 and the socket 2421, thereby securing the stability of the downward movement of the first transmission sleeve 23. When the first transmission sleeve 23 drives the second transmission sleeve 24 to synchronously move downwards along with the first elastic piece 25 through the protruding part 231.
In one embodiment, as shown in fig. 3 and 5, the transmission mechanism for a cardiopulmonary resuscitation machine further comprises a transmission disk 9, and the transmission disk 9 is mounted at one end of the second transmission sleeve 24 away from the nut 22; it will be appreciated that the drive plate 9 is mounted on the second drive sleeve 24 (i.e. the bottom of the lower sleeve 243), and that the drive plate 9 may be provided with suction cups or the like.
The spindle nut mechanism 2 further comprises a second elastic member 101, the second elastic member 101 being mounted between the mounting block 26 and the drive disc 9. It will be appreciated that the second resilient member 101 includes, but is not limited to, a coil spring or the like.
Specifically, the second elastic member 101 is compressed between the mounting block 26 and the transmission disc 9; when the first transmission sleeve 23 drives the second transmission sleeve 24 to move upwards, the second elastic member 101 in a compressed state drives the second transmission sleeve 24 to move upwards, so that the second elastic member 101 can serve as an auxiliary function for moving the second transmission sleeve 24 upwards.
In an embodiment, as shown in fig. 2, the screw nut mechanism 2 further includes a limiting sleeve 102 provided with a second elongated through slot 1021, the limiting sleeve 102 is sleeved on the second transmission sleeve 24, and the limiting sleeve 102 is fixedly connected with the mounting seat 1; one end of the protruding part 231 passes through the first elongated through slot 241 and is then inserted into the second elongated through slot 1021. As can be appreciated, when the first transmission sleeve 23 drives the second transmission sleeve 24 to move downward, the protruding portion 231 will move in the second elongated through slot 1021 until the protruding portion 231 abuts against the lower inner wall of the second elongated through slot 1021. In this embodiment, the second elongated through slot 1021 limits the travel of the first transmission sleeve 23, so as to avoid an accident that the second transmission sleeve 24 drives the transmission disc 9 to move down too much, thereby injuring the patient.
In one embodiment, as shown in fig. 1, the transmission mechanism for a cardiopulmonary resuscitation machine further includes an outer cylinder 103 sleeved on the limiting sleeve 102, and the outer cylinder 103 is fixedly mounted on the mounting base 1. It can be appreciated that the outer cylinder 103 is sleeved outside the limiting sleeve 102, so that the outer cylinder 103 can play a role in protecting the lead screw nut mechanism 2, and the service life of the transmission mechanism for the cardiopulmonary resuscitation machine is prolonged.
In an embodiment, the limit sleeve 102 is further provided with a through groove, and the transmission mechanism for a cardiopulmonary resuscitation machine further includes a displacement sensor installed in the outer cylinder 103, where the displacement sensor senses a downward moving distance of the second sleeve through the through hole.
Another embodiment of the utility model also provides a cardiopulmonary resuscitation machine comprising a transmission mechanism for a cardiopulmonary resuscitation machine as described above and a suction cup (not shown in the figures) mounted on said screw-nut mechanism 2. It will be appreciated that the suction cup is mounted to the bottom of the second drive sleeve 24.
In one embodiment, as shown in fig. 1, the cardiopulmonary resuscitation machine further comprises an air inlet fan 104, an air outlet fan 105, and a case 106 provided with an inner space (not shown in the figure), and the transmission mechanism for the cardiopulmonary resuscitation machine is located in the inner space; the inlet fan 104 and the outlet fan 105 are both mounted on the bottom plate of the case 106. In this embodiment, the air inlet fan 104 may blow the external air into the internal space, and the air outlet fan 105 may vertically and externally expose the hot air in the internal space, so as to improve the fan heat efficiency of the transmission mechanism for the cardiopulmonary resuscitation machine, and prolong the service life of the cardiopulmonary resuscitation machine.
The above embodiments of the transmission mechanism for cardiopulmonary resuscitation machine and cardiopulmonary resuscitation machine of the present utility model are not intended to limit the present utility model, and any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The transmission mechanism for the cardiopulmonary resuscitation machine is characterized by comprising a mounting seat, a screw-nut mechanism, a motor, a first belt pulley, a second belt pulley, a transmission belt, a first tensioning wheel and a second tensioning wheel, wherein the motor, the first belt pulley, the second belt pulley, the transmission belt, the first tensioning wheel and the second tensioning wheel are all arranged on the mounting seat; the output end of the motor is connected with the first belt pulley, and the transmission belt is wound between the first belt pulley and the second belt pulley; the first tensioning wheel and the second tensioning wheel are used for adjusting the tensioning force of the transmission belt; the second belt pulley is connected with the screw nut mechanism.
2. The transmission mechanism for a cardiopulmonary resuscitation machine according to claim 1, wherein the first tensioning wheel includes a first mounting shaft, a first elastic sleeve, and a first wheel body, the first mounting shaft is mounted on the mounting base, the first elastic sleeve is sleeved on the first mounting shaft, the first wheel body is sleeved on the first elastic sleeve, and the first wheel body is abutted with the transmission belt; and/or
The second tensioning wheel comprises a second installation shaft, a second elastic sleeve and a second wheel body, wherein the second installation shaft is installed on the installation seat, the second elastic sleeve is sleeved on the second installation shaft, the second wheel body is sleeved on the second elastic sleeve, and the second wheel body is in butt joint with the transmission belt.
3. The transmission mechanism for a cardiopulmonary resuscitation machine according to claim 1, wherein the screw-nut mechanism includes a screw, a nut, and a first transmission sleeve, the screw is rotatably mounted on the mount, and the second pulley is connected to the screw; the nut is sleeved on the screw rod, the first transmission sleeve is sleeved on the nut and the screw rod, and the first transmission sleeve is fixedly connected with the nut; the second belt pulley is used for driving the first transmission sleeve to move through the screw rod and the nut.
4. The transmission mechanism for a cardiopulmonary resuscitation machine according to claim 3, wherein the feed screw nut mechanism further comprises a second transmission sleeve provided with a first elongated through groove, the second transmission sleeve is sleeved on the first transmission sleeve, a protruding portion is provided on the first transmission sleeve, the protruding portion is inserted into the first elongated through groove, and the first transmission sleeve is used for driving the second transmission sleeve to move through the protruding portion inserted into the first elongated through groove.
5. The transmission mechanism for a cardiopulmonary resuscitation machine according to claim 4, wherein the second transmission sleeve includes an upper sleeve and a lower sleeve, and a plug portion is provided on the upper sleeve, and is inserted into the lower sleeve;
the screw rod nut mechanism further comprises a mounting block provided with a through hole and a first elastic piece sleeved on the screw rod, and the first elastic piece is positioned between the first transmission sleeve and the second transmission sleeve; one end of the screw rod, which is far away from the mounting seat, penetrates through the through hole, and two opposite ends of the first elastic piece are respectively abutted with the inserting connection part and the mounting block.
6. The transmission mechanism for a cardiopulmonary resuscitation machine according to claim 5, further comprising a transmission disk mounted at an end of said second transmission sleeve remote from said nut;
the screw nut mechanism further comprises a second elastic piece, and the second elastic piece is installed between the installation block and the transmission disc.
7. The transmission mechanism for a cardiopulmonary resuscitation machine according to claim 4, wherein the feed screw nut mechanism further includes a limit sleeve provided with a second elongated through groove, the limit sleeve is sleeved on the second transmission sleeve, and the limit sleeve is fixedly connected with the mounting seat; one end of the protruding part penetrates through the first long strip-shaped through groove and then is inserted into the second long strip-shaped through groove.
8. The transmission mechanism for a cardiopulmonary resuscitation machine according to claim 7, further comprising an outer cylinder sleeved on the limit sleeve, the outer cylinder being fixedly mounted on the mounting base.
9. Cardiopulmonary resuscitation machine comprising a transmission mechanism for a cardiopulmonary resuscitation machine according to any one of claims 1 to 8 and a suction cup mounted on said screw-nut mechanism.
10. The cardiopulmonary resuscitation machine according to claim 9, further comprising an air intake fan, an air outlet fan, and a case provided with an internal space in which the transmission mechanism for the cardiopulmonary resuscitation machine is located; the air inlet fan and the air outlet fan are both arranged on the bottom plate of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222790972.8U CN219071208U (en) | 2022-10-21 | 2022-10-21 | Transmission mechanism for cardiopulmonary resuscitation machine and cardiopulmonary resuscitation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222790972.8U CN219071208U (en) | 2022-10-21 | 2022-10-21 | Transmission mechanism for cardiopulmonary resuscitation machine and cardiopulmonary resuscitation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219071208U true CN219071208U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222790972.8U Active CN219071208U (en) | 2022-10-21 | 2022-10-21 | Transmission mechanism for cardiopulmonary resuscitation machine and cardiopulmonary resuscitation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219071208U (en) |
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2022
- 2022-10-21 CN CN202222790972.8U patent/CN219071208U/en active Active
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Address after: 518000, Building 1, 101, Evergrande Fashion Huigu Building, Fulong Road, Shanghenglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Security Medical Technology Co.,Ltd. Country or region after: China Address before: A1302, Shenzhen national engineering laboratory building, No.20, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Security Medical Technology Co.,Ltd. Country or region before: China |