CN214550531U - Dual-lumen injection device - Google Patents
Dual-lumen injection device Download PDFInfo
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- CN214550531U CN214550531U CN202022698451.0U CN202022698451U CN214550531U CN 214550531 U CN214550531 U CN 214550531U CN 202022698451 U CN202022698451 U CN 202022698451U CN 214550531 U CN214550531 U CN 214550531U
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- 239000007924 injection Substances 0.000 title claims abstract description 46
- 238000002347 injection Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 339
- 238000001802 infusion Methods 0.000 claims abstract description 163
- 230000005540 biological transmission Effects 0.000 claims description 69
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 24
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 24
- 241001330002 Bambuseae Species 0.000 claims description 24
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 24
- 239000011425 bamboo Substances 0.000 claims description 24
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 19
- 239000003814 drug Substances 0.000 description 16
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 229940090047 auto-injector Drugs 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
本实用新型涉及一种双腔注射装置，包括第一驱动机构、第二驱动机构、转动机构、第一离合机构和第二离合机构，第一离合机构连接转动机构和第一驱动机构，第二离合机构连接转动机构和第二驱动机构，当第一离合机构工作时：转动机构的动力可通过第一离合机构传递到第一驱动机构，第二离合机构不工作；当第二离合机构工作时：转动机构的动力可通过第二离合机构传递到第二驱动机构，第一离合机构不工作，第二输注机构工作；本实用新型中的第一输注机构和第二输注机构通过一组转动机构进行驱动，第一输注机构和第二输注机构不同时输注液体，在第一输注机构输注完成后，第二输注机构可立即进行输注，患者无需等待，降低了医疗成本，减轻了患者负担。
The utility model relates to a double-chamber injection device, comprising a first driving mechanism, a second driving mechanism, a rotating mechanism, a first clutch mechanism and a second clutch mechanism. The first clutch mechanism is connected to the rotating mechanism and the first driving mechanism, and the second The clutch mechanism connects the rotation mechanism and the second drive mechanism. When the first clutch mechanism works: the power of the rotation mechanism can be transmitted to the first drive mechanism through the first clutch mechanism, and the second clutch mechanism does not work; when the second clutch mechanism works : the power of the rotating mechanism can be transmitted to the second driving mechanism through the second clutch mechanism, the first clutch mechanism does not work, and the second infusion mechanism works; the first infusion mechanism and the second infusion mechanism in the present utility model pass through a The first infusion mechanism and the second infusion mechanism do not infuse liquid at the same time. After the first infusion mechanism is infused, the second infusion mechanism can immediately infuse, and the patient does not need to wait. reduce medical costs and reduce the burden on patients.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a two-chamber injection device is related to.
Background
The syringe is a very common medical instrument, and when current syringe was used, generally through the manual mode, pricked the syringe needle in the medicament bottle, driven the piston motion through pulling the piston rod to utilize the atmospheric pressure difference to draw the liquid medicine into the syringe, then pricked the syringe needle into patient's vein, pressed the piston rod immediately, thereby injected the liquid medicine into patient internally. However, when the manual injection is performed, the force is too large when the injection is pressed, so that the injection speed is too fast, and the vein blood vessel of the patient is impacted, so that the patient feels a strong uncomfortable feeling.
In order to solve the problems, the Chinese patent with the patent number of 201920619597.6 discloses an automatic injector for neurologists, which comprises an injection needle tube, wherein an injection cavity is arranged in the injection needle tube, one end of the injection needle tube is fixedly connected with a micro stepping motor, the micro stepping motor is fixedly connected with a threaded rod penetrating through the injection needle tube on one side wall close to the injection needle tube, and a piston is connected in the injection cavity in a sliding manner. The utility model discloses a miniature step motor drives the piston with the help of threaded connection's mode and removes as the power supply for the velocity of motion of piston is steady and the control of being convenient for, consequently extracts the quantity control accuracy of liquid medicine and injection liquid medicine, and automatic injection speed is mild, can not arouse patient's discomfort, and, the syringe needle on the tube head can be according to user's needs, the convenient change that carries on.
However, when the automatic injector is used for injection, only one liquid medicine can be injected at one time, when the other liquid medicine needs to be injected, the other liquid medicine needs to be filled into the automatic injector, the liquid medicine filling time is longer, the waiting time of a patient is longer, and particularly in cold winter, the naked injection part of the patient is cooler, so that the pain of the patient is increased, the mood of the patient is influenced, and the treatment effect is delayed; in order to solve the problems, medical staff can use two automatic injectors to inject respectively at the same time, but the two independent automatic injectors are inconvenient to distinguish, patient names need to be marked on the two automatic injectors, and the workload of the medical staff is large;
in order to alleviate medical personnel's work load, can be with two fixed settings of autoinjector on same casing, only need like this on the casing mark patient name can, alleviateed medical personnel's work load, however, two autoinjectors include two micro motor, micro motor's price is higher, and the holistic price of autoinjector is higher, and it is higher to lead to medical cost, and patient's burden is heavier.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the problems that in the prior art, two automatic injectors are fixedly arranged on the same shell and comprise two micro motors, the price of the micro motors is higher, the whole price of the automatic injector is higher, the medical cost is higher, and the burden of a patient is heavier, the double-cavity injection device is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a two-chamber injection device, includes the casing, be provided with first infusion mechanism and second infusion mechanism in the casing, first infusion mechanism includes first piston, second infusion mechanism includes the second piston, still be provided with in the casing:
a first drive mechanism: the first driving mechanism is connected with the first piston;
a second drive mechanism: the second driving mechanism is connected with the second piston;
a rotating mechanism: the rotating mechanism is fixedly arranged in the shell;
a first clutch mechanism: the first clutch mechanism is connected with the rotating mechanism and the first driving mechanism and is used for transmitting power;
a second clutch mechanism: the second clutch mechanism is connected with the rotating mechanism and the second driving mechanism and is used for transmitting power;
when the first clutch mechanism works: the power of the rotating mechanism can be transmitted to the first driving mechanism through the first clutch mechanism, the first driving mechanism drives the first piston to do linear motion along the axial direction of the first infusion mechanism, and the second clutch mechanism does not work;
when the second clutch mechanism works: the power of the rotating mechanism can be transmitted to the second driving mechanism through the second clutch mechanism, the second driving mechanism drives the second piston to do linear motion along the axial direction of the second infusion mechanism, and the first clutch mechanism does not work.
The utility model discloses a two-chamber injection device, including first actuating mechanism, second actuating mechanism, slewing mechanism, first clutching mechanism and second clutching mechanism, slewing mechanism and first actuating mechanism are connected to first clutching mechanism, and slewing mechanism and second actuating mechanism are connected to second clutching mechanism, work as first clutching mechanism during operation: the power of the rotating mechanism can be transmitted to the first driving mechanism through the first clutch mechanism, the first driving mechanism drives the first piston to do linear motion along the axial direction of the first infusion mechanism, the second clutch mechanism does not work, the first infusion mechanism finishes infusion work, and the piston in the second infusion mechanism does not move; when the second clutch mechanism works: the power of the rotating mechanism can be transmitted to a second driving mechanism through a second clutch mechanism, the second driving mechanism drives a second piston to do linear motion along the axial direction of a second infusion mechanism, the first clutch mechanism does not work, the second infusion mechanism finishes infusion work, and the piston in the first infusion mechanism does not move; the first infusion mechanism and the second infusion mechanism in the utility model are driven by a group of rotating mechanisms, the first infusion mechanism and the second infusion mechanism do not infuse liquid at the same time, different liquid medicines can be respectively filled into the first infusion mechanism and the second infusion mechanism when in use, after the infusion of the first infusion mechanism is finished, the second infusion mechanism can infuse immediately, and a patient does not need to wait; the utility model discloses only contain a set of slewing mechanism, reduced the utility model discloses a whole price has reduced medical cost, has alleviateed patient's burden.
Furthermore, the first clutch mechanism and the second clutch mechanism are both electromagnetic clutch mechanisms;
the first clutch mechanism comprises a first driven gear, a first clutch gear, a first transmission gear and a first electromagnet, the first driven gear is rotatably installed in the shell and is in transmission connection with the rotating mechanism, the first electromagnet is fixedly installed in the shell, the first clutch gear is slidably and rotatably arranged between the first driven gear and the first electromagnet, meshing teeth which can be meshed with each other are respectively arranged on two opposite surfaces of the first driven gear and the first clutch gear, a first reset assembly is arranged between the first electromagnet and the first clutch gear, and the first transmission gear is in transmission connection with the first clutch gear and the first driving mechanism;
the second clutch mechanism comprises a second driven gear, a second clutch gear, a second transmission gear and a second electromagnet, the second driven gear is rotatably installed in the shell and is in transmission connection with the rotating mechanism, the second electromagnet is fixedly installed in the shell, the second clutch gear is slidably and rotatably arranged between the second driven gear and the second electromagnet, meshing teeth which can be meshed with each other are formed in two opposite surfaces of the second driven gear and the second clutch gear, a second reset assembly is arranged between the second electromagnet and the second clutch gear, and the second transmission gear is in transmission connection with the second clutch gear and a second driving mechanism;
when the first clutch mechanism works and the second clutch mechanism does not work: the first electromagnet does not work, the first clutch gear is meshed with the first driven gear under the action of the first reset assembly, and the second electromagnet works to adsorb and separate the second clutch gear from the second driven gear;
when the second clutch mechanism works and the first clutch mechanism does not work: the second electromagnet does not work, the second clutch gear is meshed with the second driven gear under the action of the second reset assembly, and the first electromagnet works to adsorb the first clutch gear to be separated from the first driven gear.
Furthermore, the first clutch mechanism and the second clutch mechanism are both mechanical clutch mechanisms;
the first clutch mechanism comprises a first driven gear, a first clutch gear, a first transmission gear and a first elastic assembly, the first driven gear is rotatably installed in the shell and is in transmission connection with the rotating mechanism, the first elastic assembly is arranged in the shell, the first clutch gear is slidably and rotatably arranged between the first driven gear and the first elastic assembly, two groups of first ratchets with opposite rotation directions are arranged on two opposite surfaces of the first driven gear and the first clutch gear and are meshed with each other, and the first transmission gear is in transmission connection with the first clutch gear and the first driving mechanism;
the second clutch mechanism comprises a second driven gear, a second clutch gear, a second transmission gear and a second elastic assembly, the second driven gear is rotatably installed in the shell and is in transmission connection with the rotating mechanism, the second elastic assembly is arranged in the shell, the second clutch gear is slidably and rotatably arranged between the second driven gear and the second elastic assembly, two groups of second ratchets with opposite rotation directions are arranged on two opposite surfaces of the second driven gear and the second clutch gear and are meshed with each other, and the second transmission gear is in transmission connection with the second clutch gear and the second driving mechanism;
the rotating directions of the first driven gear and the second driven gear are the same, and the rotating direction of a first ratchet on the first driven gear is opposite to that of a second ratchet on the second driven gear;
when the first clutch mechanism works and the second clutch mechanism does not work: the first driven gear rotates anticlockwise and pushes the first clutch gear to rotate synchronously; the second driven gear idles anticlockwise, and the second clutch gear does not rotate along with the second driven gear;
when the second clutch mechanism works and the first clutch mechanism does not work: the second driven gear rotates clockwise, and the second driven gear pushes the second clutch gear to rotate synchronously; the first driven gear idles clockwise, and the first clutch gear does not rotate along with the first driven gear.
Furthermore, the rotating device comprises a rotating assembly and a driving gear, the rotating assembly is fixedly installed in the shell and drives the driving gear to rotate, and the driving gear is meshed with the first driven gear and the second driven gear.
In order to simplify the utility model discloses an integral erection structure reduces the utility model discloses the volume of casing, a drive mechanism includes first output gear and first lead screw, first output gear rotates and installs in the casing, first lead screw demountable installation is on first output gear, first output gear meshes with first transmission gear, first screw-nut is installed in the transmission on the first lead screw, coaxial and fixed mounting has first piston rod on the first screw-nut, first piston rod rotates with first piston and is connected.
In order to simplify the utility model discloses an integral erection structure reduces the utility model discloses the volume of casing, second actuating mechanism includes second output gear and second lead screw, second output gear rotates and installs in the casing, second lead screw demountable installation is on second output gear, second output gear and second drive gear meshing, second screw-nut is installed in the transmission on the second lead screw, coaxial and fixed mounting has the second piston rod on the second screw-nut, the second piston rod rotates with the second piston and is connected.
In order to realize that the first clutch gear slides and is rotatably arranged between the first driven gear and the first electromagnet, the first clutch mechanism further comprises a first guide rod, a first guide hole is formed in the first electromagnet, the first guide rod is slidably inserted into the first guide hole, and the first clutch gear is rotatably arranged on the first guide rod;
in order to realize that the second clutch gear slides and is rotatably arranged between the second driven gear and the second electromagnet, the second clutch mechanism further comprises a second guide rod, a second guide hole is formed in the second electromagnet, the first guide rod is slidably inserted into the second guide hole, and the second clutch gear is rotatably arranged on the second guide rod.
Further, first infusion mechanism still includes a first infusion section of thick bamboo and first infusion pipeline, a first infusion section of thick bamboo fixed mounting is in the casing, first infusion pipeline demountable installation is on a first infusion section of thick bamboo, first piston slides and sets up in a first infusion section of thick bamboo, second infusion mechanism still includes a second infusion section of thick bamboo and second infusion pipeline, a second infusion section of thick bamboo fixed mounting is in the casing, a second infusion pipeline demountable installation is on a second infusion section of thick bamboo, the second piston slides and sets up in a second infusion section of thick bamboo.
In order to use the utility model discloses realize the injection function, first infusion mechanism still includes a first infusion section of thick bamboo and first syringe needle, a first infusion section of thick bamboo fixed mounting is in the casing, first syringe needle demountable installation is on a first infusion section of thick bamboo, first piston slides and sets up in a first infusion section of thick bamboo, second infusion mechanism still includes a second infusion section of thick bamboo and second syringe needle, a second infusion section of thick bamboo fixed mounting is in the casing, second syringe needle demountable installation is on a second infusion section of thick bamboo, the second piston slides and sets up in a second infusion section of thick bamboo.
In order to realize the utility model discloses an automation mechanized operation, the utility model discloses still include control assembly, control assembly and slewing mechanism signal connection.
The beneficial effects of the utility model are that, the utility model discloses a two-chamber injection device, including first actuating mechanism, second actuating mechanism, slewing mechanism, first clutching mechanism and second clutching mechanism, slewing mechanism and first actuating mechanism are connected to first clutching mechanism, and slewing mechanism and second actuating mechanism are connected to second clutching mechanism, when first clutching mechanism during operation: the power of the rotating mechanism can be transmitted to the first driving mechanism through the first clutch mechanism, the first driving mechanism drives the first piston to do linear motion along the axial direction of the first infusion mechanism, the second clutch mechanism does not work, the first infusion mechanism finishes infusion work, and the piston in the second infusion mechanism does not move; when the second clutch mechanism works: the power of the rotating mechanism can be transmitted to a second driving mechanism through a second clutch mechanism, the second driving mechanism drives a second piston to do linear motion along the axial direction of a second infusion mechanism, the first clutch mechanism does not work, the second infusion mechanism finishes infusion work, and the piston in the first infusion mechanism does not move; the first infusion mechanism and the second infusion mechanism in the utility model are driven by a group of rotating mechanisms, the first infusion mechanism and the second infusion mechanism do not infuse liquid at the same time, different liquid medicines can be respectively filled into the first infusion mechanism and the second infusion mechanism when in use, after the infusion of the first infusion mechanism is finished, the second infusion mechanism can infuse immediately, and a patient does not need to wait; the utility model discloses only contain a set of slewing mechanism, reduced the utility model discloses a whole price has reduced medical cost, has alleviateed patient's burden.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a front view of embodiment 1 of the present invention;
fig. 2 is a three-dimensional exploded view of the first infusion mechanism and the second infusion mechanism in embodiment 1 of the present invention;
fig. 3 is a schematic three-dimensional assembly diagram of the rotating mechanism, the first clutch mechanism and the second clutch mechanism in embodiment 1 of the present invention;
fig. 4 is a schematic three-dimensional assembly diagram of the rotating mechanism, the first clutch mechanism, the second clutch mechanism, the first driving mechanism and the second driving mechanism in embodiment 2 of the present invention;
fig. 5 is a top view of fig. 4 of the present invention;
fig. 6 is a schematic two-dimensional assembly diagram of the first clutch mechanism and the second clutch mechanism in embodiment 2 of the present invention;
fig. 7 is a front view of embodiment 3 of the present invention;
fig. 8 is an enlarged view of the present invention at a-a in fig. 7.
In the figure: 11. the automatic infusion device comprises a shell, 21, a first piston, 22, a first infusion cylinder, 23, a first infusion pipeline, 24, a first injection needle, 31, a second piston, 32, a second infusion cylinder, 33, a second infusion pipeline, 34, a second injection needle, 41, a first driven gear, 42, a first clutch gear, 43, a first transmission gear, 44, a first electromagnet, 45, a first compression spring, 46, a first guide rod, 51, a second driven gear, 52, a second clutch gear, 53, a second transmission gear, 54, a second electromagnet, 55, a second compression spring, 56, a second guide rod, 61, a motor, 62, a driving gear, 71, a first output gear, 72, a first lead screw, 73, a first lead screw nut, 74, a first piston rod, 81, a second output gear, 82, a second lead screw nut, 83, a second piston rod, 84 and 91.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1:
the dual-chamber injection device shown in fig. 1-3 comprises a housing 11, wherein a first infusion mechanism and a second infusion mechanism are arranged in the housing 11, the first infusion mechanism comprises a first piston 21, a first infusion tube 22 and a first infusion pipeline 23, the first infusion tube 22 is fixedly arranged in the housing 11, the first infusion pipeline 23 is detachably arranged on the first infusion tube 22, and the detachable connection can be a connection mode which is convenient to detach, such as threaded connection, clamping connection and the like; the first piston 21 is slidably disposed in the first infusion cylinder 22; the second infusion mechanism comprises a second piston 31, a second infusion cylinder 32 and a second infusion pipeline 33, the second infusion cylinder 32 is fixedly arranged in the shell 11, the second infusion pipeline 33 is detachably arranged on the second infusion cylinder 32, the detachable connection can be a connection mode which is convenient to detach, such as threaded connection, clamping connection and the like, and the second piston 31 is slidably arranged in the second infusion cylinder 32;
the shell 11 of the utility model is also provided with a first driving mechanism, a second driving mechanism, a rotating mechanism, a first clutch mechanism and a second clutch mechanism;
the first clutch mechanism and the second clutch mechanism are both mechanical clutch mechanisms;
the first clutch mechanism comprises a first driven gear 41, a first clutch gear 42, a first transmission gear 43 and a first elastic component, the first driven gear 41 is rotatably installed in the housing 11 and is in transmission connection with the rotating mechanism, the first elastic component is arranged in the housing 11, the first elastic component can be a first compression spring 45, the first clutch gear 42 is slidably and rotatably arranged between the first driven gear 41 and the first elastic component, the first clutch gear 42 is rotatably sleeved on a first guide rod, the first guide rod is fixedly arranged in the shell 11, the first compression spring 45 is sleeved outside the first guide rod, the first compression spring 45 pushes the first clutch gear 42 to be always meshed with the first driven gear 41, two opposite surfaces of the first driven gear 41 and the first clutch gear 42 are provided with two groups of first ratchets with opposite rotation directions to be mutually meshed, and the first transmission gear 43 is in transmission connection with the first clutch gear 42 and the first driving mechanism;
the second clutch mechanism comprises a second driven gear 51, a second clutch gear 52, a second transmission gear 53 and a second elastic component, the second driven gear 51 is rotatably arranged in the shell 11 and is in transmission connection with the rotating mechanism, the second elastic component is arranged in the shell 11, the second elastic component is a second compression spring 55, the second clutch gear 52 is slidably and rotatably arranged between the second driven gear 51 and the second elastic component, the second clutch gear 52 is rotatably sleeved on a second guide rod, the second guide rod is fixedly arranged in the shell 11, the second compression spring 55 is sleeved outside the second guide rod, the second compression spring 55 pushes the second clutch gear 52 to be always meshed with the second driven gear 51, two opposite surfaces of the second driven gear 51 and the second clutch gear 52 are provided with two groups of second ratchets with opposite rotation directions to be meshed with each other, and the second transmission gear 53 is in transmission connection with the second clutch gear 52 and a second driving mechanism;
the rotating device is a rotating assembly and a driving gear 62, the rotating assembly can be a motor 61, the motor 61 is fixedly installed in the housing 11, the driving gear 62 is coaxially and fixedly installed at the output end of the motor 61, the motor 61 drives the driving gear 62 to rotate, the driving gear 62 is meshed with both the first driven gear 41 and the second driven gear 51, the rotating directions of the first driven gear 41 and the second driven gear 51 are the same, and the rotating directions of the first ratchet on the first driven gear 41 are opposite to the rotating directions of the second ratchet on the second driven gear 51;
the first driving mechanism comprises a first output gear 71 and a first screw rod 72, the first output gear 71 is rotatably mounted in the housing 11, the first screw rod 72 is detachably mounted on the first output gear 71, the first output gear 71 is meshed with the first transmission gear 43, a first screw rod nut 73 is mounted on the first screw rod 72 in a transmission manner, a first piston rod 74 is coaxially and fixedly mounted on the first screw rod nut 73, and the first piston rod 74 is rotatably connected with the first piston 21; the detachable connection between the first lead screw 72 and the first output gear 71 is: the end face of the first output gear 71 is provided with a mounting hole with a hexagonal cross section, one end of the first screw 72 is also provided with a hexagonal cross section, and the first screw 72 is inserted into the mounting hole.
The second driving mechanism comprises a second output gear 81 and a second screw rod 82, the second output gear 81 is rotatably installed in the shell 11, the second screw rod 82 is detachably installed on the second output gear 81, the second output gear 81 is meshed with the second transmission gear 53, a second screw rod nut 83 is installed on the second screw rod 82 in a transmission manner, a second piston rod 84 is coaxially and fixedly installed on the second screw rod nut 83, and the second piston rod 84 is rotatably connected with the second piston 31; the detachable connection between the second lead screw 82 and the second output gear 81 is: the end face of the second output gear 81 is provided with a mounting hole with a hexagonal cross section, one end of the second screw rod 82 is also provided with a hexagonal cross section, and the second screw rod 82 is inserted into the mounting hole.
In order to realize the utility model discloses an automation mechanized operation, the utility model discloses still include control assembly 91, control assembly 91 and slewing mechanism signal connection.
When the first clutch mechanism works, the second clutch mechanism does not work: the motor 61 rotates to drive the driving gear 62 to rotate, the driving gear 62 drives the first driven gear 41 to rotate anticlockwise, the first driven gear 41 pushes the first clutch gear 42 to rotate synchronously, the first clutch gear 42 drives the first transmission gear 43 to rotate, the first transmission gear 43 drives the first output gear 71 to rotate, the first output gear 71 drives the first lead screw 72 to rotate, and after the first lead screw 72 rotates, the first lead screw nut 73 can move on the first lead screw 72, so that the first piston rod 74 is driven to move towards the first infusion pipeline 23, and finally the first piston 21 is driven to push out the liquid medicine from the first infusion pipeline; in the process, the second driven gear 51 idles counterclockwise, the second clutch gear 52 does not rotate along with the second driven gear 51, and the second infusion mechanism does not work;
when the second clutch mechanism works, the first clutch mechanism does not work: the motor 61 rotates to drive the driving gear 62 to rotate, the driving gear 62 drives the second driven gear 51 to rotate clockwise, the second driven gear 51 pushes the second clutch gear 52 to rotate synchronously, the second clutch gear 52 drives the second transmission gear 53 to rotate, the second transmission gear 53 drives the second output gear 81 to rotate, the second output gear 81 drives the second lead screw 82 to rotate, and after the second lead screw 82 rotates, the second lead screw nut 83 can move on the second lead screw 82, so that the second piston rod 84 is driven to move towards the second infusion pipeline 33, and finally the second piston 31 is driven to push out the liquid medicine from the second infusion pipeline; in this process, the first driven gear 41 idles clockwise, the second clutch gear 52 does not rotate with the second driven gear 51, and the first infusion mechanism does not operate.
The utility model discloses a two-chamber injection device, including first actuating mechanism, second actuating mechanism, slewing mechanism, first clutching mechanism and second clutching mechanism, slewing mechanism and first actuating mechanism are connected to first clutching mechanism, and slewing mechanism and second actuating mechanism are connected to second clutching mechanism, work as first clutching mechanism during operation: the power of the rotating mechanism can be transmitted to the first driving mechanism through the first clutch mechanism, the first driving mechanism drives the first piston 21 to do linear motion along the axial direction of the first infusion mechanism, the second clutch mechanism does not work, the first piston 21 returns after the first infusion mechanism finishes infusion work, and the piston in the second infusion mechanism does not move; when the second clutch mechanism works: the power of the rotating mechanism can be transmitted to the second driving mechanism through the second clutch mechanism, the second driving mechanism drives the second piston 31 to do linear motion along the axial direction of the second infusion mechanism, the first clutch mechanism does not work, the second piston 31 returns after the second infusion mechanism finishes infusion work, and the piston in the first infusion mechanism does not move; the first infusion mechanism and the second infusion mechanism in the utility model are driven by a group of rotating mechanisms, the first infusion mechanism and the second infusion mechanism do not infuse liquid at the same time, different liquid medicines can be respectively filled into the first infusion mechanism and the second infusion mechanism when in use, after the infusion of the first infusion mechanism is finished, the second infusion mechanism can infuse immediately, and a patient does not need to wait; the utility model discloses only contain a set of slewing mechanism, reduced the utility model discloses a whole price has reduced medical cost, has alleviateed patient's burden.
Example 2:
in order to realize automatic control, embodiment 2 shown in fig. 4 to 6 is different from embodiment 1 only in that: the first clutch mechanism and the second clutch mechanism are both electromagnetic clutch mechanisms;
the first clutch mechanism comprises a first driven gear 41, a first clutch gear 42, a first transmission gear 43 and a first electromagnet 44, the first driven gear 41 is rotatably installed in the shell 11 and is in transmission connection with the rotating mechanism, the first electromagnet 44 is fixedly installed in the shell 11, the first clutch gear 42 is slidably and rotatably arranged between the first driven gear 41 and the first electromagnet 44, meshing teeth which can be meshed with each other are respectively arranged on two opposite surfaces of the first driven gear 41 and the first clutch gear 42, a first reset assembly is arranged between the first electromagnet 44 and the first clutch gear 42, the first reset assembly is a first compression spring 45, and the first transmission gear 43 is in transmission connection with the first clutch gear 42 and a first driving mechanism;
the second clutch mechanism comprises a second driven gear 51, a second clutch gear 52, a second transmission gear 53 and a second electromagnet 54, the second driven gear 51 is rotatably installed in the shell 11 and is in transmission connection with the rotating mechanism, the second electromagnet 54 is fixedly installed in the shell 11, the second clutch gear 52 is slidably and rotatably arranged between the second driven gear 51 and the second electromagnet 54, two opposite surfaces of the second driven gear 51 and the second clutch gear 52 are both provided with meshing teeth capable of being meshed with each other, a second reset component is arranged between the second electromagnet 54 and the second clutch gear 52, the second reset component is a second compression spring 55, and the second transmission gear 53 is in transmission connection with the second clutch gear 52 and a second driving mechanism;
the first clutch mechanism further comprises a first guide rod 46, a first guide hole is formed in the first electromagnet 44, the first guide rod 46 is slidably inserted into the first guide hole, and the first clutch gear 42 is rotatably mounted on the first guide rod 46; the second clutch mechanism further comprises a second guide rod 56, a second guide hole is formed in the second electromagnet 54, the first guide rod 46 is slidably inserted into the second guide hole, and the second clutch gear 52 is rotatably mounted on the second guide rod 56. The control assembly 91 is in signal connection with the rotating mechanism, the first electromagnet 44 and the second electromagnet 54
When the first clutch mechanism works and the second clutch mechanism does not work: the first electromagnet 44 does not work, the first clutch gear 42 is meshed with the first driven gear 41 under the action of the first resetting component, the motor 61 rotates to drive the driving gear 62 to rotate, the driving gear 62 drives the first driven gear 41 to rotate, the first driven gear 41 pushes the first clutch gear 42 to synchronously rotate, the first clutch gear 42 drives the first transmission gear 43 to rotate, the first transmission gear 43 drives the first output gear 71 to rotate, the first output gear 71 drives the first lead screw 72 to rotate, and after the first lead screw 72 rotates, the first lead screw nut 73 can move on the first lead screw 72, so that the first piston rod 74 is driven to move towards the first infusion pipeline 23, and finally the first piston 21 is driven to push the liquid medicine out of the first infusion pipeline; in the process, the second electromagnet 54 works, the second clutch gear 52 is adsorbed to be separated from the second driven gear 51, the second driven gear 51 idles, the second clutch gear 52 does not rotate along with the second driven gear 51, and the second infusion mechanism does not work;
when the second clutch mechanism works and the first clutch mechanism does not work: the second electromagnet 54 does not work, the second clutch gear 52 is meshed with the second driven gear 51 under the action of the second compression spring 55, the motor 61 rotates to drive the driving gear 62 to rotate, the driving gear 62 drives the second driven gear 51 to rotate, the second driven gear 51 pushes the second clutch gear 52 to synchronously rotate, the second clutch gear 52 drives the second transmission gear 53 to rotate, the second transmission gear 53 drives the second output gear 81 to rotate, the second output gear 81 drives the second lead screw 82 to rotate, and after the second lead screw 82 rotates, the second lead screw nut 83 can move on the second lead screw 82, so that the second piston rod 84 is driven to move towards the second infusion pipeline 33, and finally the second piston 31 is driven to push the liquid medicine out of the second infusion pipeline; in this process, the first electromagnet 44 operates, the first clutch gear 42 is attracted and separated from the first driven gear 41, the first driven gear 41 idles, the first clutch gear 42 does not rotate with the first driven gear 41, and the first infusion mechanism does not operate.
Example 3:
in order to realize the injection function by using the present invention, embodiment 3 as shown in fig. 7 and 8 is different from embodiment 1 only in that: the first infusion mechanism further comprises a first infusion barrel 22 and a first injection needle 24, the first infusion barrel 22 is fixedly arranged in the shell 11, the first injection needle 24 is detachably arranged on the first infusion barrel 22, and the detachable connection can be in a connection mode which is convenient to detach, such as threaded connection, clamping connection and the like; the first piston 21 is arranged in the first infusion cylinder 22 in a sliding manner, the second infusion mechanism further comprises a second infusion cylinder 32 and a second injection needle 34, the second infusion cylinder 32 is fixedly arranged in the shell 11, the second injection needle 34 is detachably arranged on the second infusion cylinder 32, and the detachable connection can be in a connection mode which is convenient to detach, such as threaded connection, clamping connection and the like; a second piston 31 is slidably disposed within a second infusion cylinder 32.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A dual chamber injection device comprising a housing (11), a first infusion mechanism and a second infusion mechanism disposed within said housing (11), said first infusion mechanism comprising a first piston (21), said second infusion mechanism comprising a second piston (31), characterized in that: the shell (11) is also internally provided with:
a first drive mechanism: the first driving mechanism is connected with a first piston (21);
a second drive mechanism: the second driving mechanism is connected with a second piston (31);
a rotating mechanism: the rotating mechanism is fixedly arranged in the shell (11);
a first clutch mechanism: the first clutch mechanism is connected with the rotating mechanism and the first driving mechanism and is used for transmitting power;
a second clutch mechanism: the second clutch mechanism is connected with the rotating mechanism and the second driving mechanism and is used for transmitting power;
when the first clutch mechanism works: the power of the rotating mechanism can be transmitted to the first driving mechanism through the first clutch mechanism, the first driving mechanism drives the first piston (21) to do linear motion along the axial direction of the first infusion mechanism, and the second clutch mechanism does not work;
when the second clutch mechanism works: the power of the rotating mechanism can be transmitted to the second driving mechanism through the second clutch mechanism, the second driving mechanism drives the second piston (31) to do linear motion along the axial direction of the second infusion mechanism, and the first clutch mechanism does not work.
2. The dual chamber injection device of claim 1 wherein: the first clutch mechanism and the second clutch mechanism are both electromagnetic clutch mechanisms;
the first clutch mechanism comprises a first driven gear (41), a first clutch gear (42), a first transmission gear (43) and a first electromagnet (44), the first driven gear (41) is rotatably installed in the shell (11) and is in transmission connection with the rotating mechanism, the first electromagnet (44) is fixedly installed in the shell (11), the first clutch gear (42) is slidably and rotatably arranged between the first driven gear (41) and the first electromagnet (44), two opposite surfaces of the first driven gear (41) and the first clutch gear (42) are respectively provided with meshing teeth which can be meshed with each other, a first reset assembly is arranged between the first electromagnet (44) and the first clutch gear (42), and the first transmission gear (43) is in transmission connection with the first clutch gear (42) and the first driving mechanism;
the second clutch mechanism comprises a second driven gear (51), a second clutch gear (52), a second transmission gear (53) and a second electromagnet (54), the second driven gear (51) is rotatably installed in the shell (11) and is in transmission connection with the rotating mechanism, the second electromagnet (54) is fixedly installed in the shell (11), the second clutch gear (52) is slidably and rotatably arranged between the second driven gear (51) and the second electromagnet (54), two opposite surfaces of the second driven gear (51) and the second clutch gear (52) are respectively provided with meshing teeth which can be meshed with each other, a second reset assembly is arranged between the second electromagnet (54) and the second clutch gear (52), and the second transmission gear (53) is in transmission connection with the second clutch gear (52) and a second driving mechanism;
when the first clutch mechanism works and the second clutch mechanism does not work: the first electromagnet (44) does not work, the first clutch gear (42) is meshed with the first driven gear (41) under the action of the first reset component, the second electromagnet (54) works, and the adsorption second clutch gear (52) is separated from the second driven gear (51);
when the second clutch mechanism works and the first clutch mechanism does not work: the second electromagnet (54) does not work, the second clutch gear (52) is meshed with the second driven gear (51) under the action of the second reset component, the first electromagnet (44) works, and the first clutch gear (42) is adsorbed and separated from the first driven gear (41).
3. The dual chamber injection device of claim 1 wherein: the first clutch mechanism and the second clutch mechanism are both mechanical clutch mechanisms;
the first clutch mechanism comprises a first driven gear (41), a first clutch gear (42), a first transmission gear (43) and a first elastic assembly, the first driven gear (41) is rotatably installed in the shell (11) and is in transmission connection with the rotating mechanism, the first elastic assembly is arranged in the shell (11), the first clutch gear (42) is slidably and rotatably arranged between the first driven gear (41) and the first elastic assembly, two opposite surfaces of the first driven gear (41) and the first clutch gear (42) are provided with two groups of first ratchets with opposite rotation directions, the first ratchets are meshed with each other, and the first transmission gear (43) is in transmission connection with the first clutch gear (42) and the first driving mechanism;
the second clutch mechanism comprises a second driven gear (51), a second clutch gear (52), a second transmission gear (53) and a second elastic assembly, the second driven gear (51) is rotatably installed in the shell (11) and is in transmission connection with the rotating mechanism, the second elastic assembly is arranged in the shell (11), the second clutch gear (52) is slidably and rotatably arranged between the second driven gear (51) and the second elastic assembly, two opposite surfaces of the second driven gear (51) and the second clutch gear (52) are provided with two groups of second meshed parts with opposite ratchet rotation directions, and the second transmission gear (53) is in transmission connection with the second clutch gear (52) and a second driving mechanism;
the rotating directions of the first driven gear (41) and the second driven gear (51) are the same, and the rotating direction of a first ratchet on the first driven gear (41) is opposite to that of a second ratchet on the second driven gear (51);
when the first clutch mechanism works and the second clutch mechanism does not work: the first driven gear (41) rotates anticlockwise, and the first driven gear (41) pushes the first clutch gear (42) to rotate synchronously; the second driven gear (51) idles anticlockwise, and the second clutch gear (52) does not rotate along with the second driven gear (51);
when the second clutch mechanism works and the first clutch mechanism does not work: the second driven gear (51) rotates clockwise, and the second driven gear (51) pushes the second clutch gear (52) to rotate synchronously; the first driven gear (41) idles clockwise, and the first clutch gear (42) does not rotate with the first driven gear (41).
4. The dual chamber injection device of claims 2 or 3 wherein: the rotating mechanism comprises a rotating assembly and a driving gear (62), the rotating assembly is fixedly installed in the shell (11), the rotating assembly drives the driving gear (62) to rotate, and the driving gear (62) is meshed with the first driven gear (41) and the second driven gear (51).
5. The dual chamber injection device of claims 2 or 3 wherein: first actuating mechanism includes first output gear (71) and first lead screw (72), first output gear (71) rotate and install in casing (11), first lead screw (72) demountable installation is on first output gear (71), first output gear (71) and first transmission gear (43) meshing, transmission mounting has first screw-nut (73) on first lead screw (72), coaxial and fixed mounting has first piston rod (74) on first screw-nut (73), first piston rod (74) rotate with first piston (21) and are connected.
6. The dual chamber injection device of claims 2 or 3 wherein: the second driving mechanism comprises a second output gear (81) and a second screw rod (82), the second output gear (81) is rotatably installed in the shell (11), the second screw rod (82) is detachably installed on the second output gear (81), the second output gear (81) is meshed with the second transmission gear (53), a second screw rod nut (83) is installed on the second screw rod (82) in a transmission mode, a second piston rod (84) is coaxially and fixedly installed on the second screw rod nut (83), and the second piston rod (84) is rotatably connected with the second piston (31).
7. The dual chamber injection device of claim 2 wherein: the first clutch mechanism further comprises a first guide rod (46), a first guide hole is formed in the first electromagnet (44), the first guide rod (46) is inserted into the first guide hole in a sliding mode, and the first clutch gear (42) is rotatably installed on the first guide rod (46);
the second clutch mechanism further comprises a second guide rod (56), a second guide hole is formed in the second electromagnet (54), the first guide rod (46) is inserted into the second guide hole in a sliding mode, and the second clutch gear (52) is rotatably installed on the second guide rod (56).
8. The dual chamber injection device of claim 1 wherein: first infusion mechanism still includes a first infusion section of thick bamboo (22) and first infusion pipeline (23), a first infusion section of thick bamboo (22) fixed mounting is in casing (11), first infusion pipeline (23) demountable installation is on a first infusion section of thick bamboo (22), first piston (21) slide and set up in a first infusion section of thick bamboo (22), second infusion mechanism still includes a second infusion section of thick bamboo (32) and second infusion pipeline (33), a second infusion section of thick bamboo (32) fixed mounting is in casing (11), a second infusion pipeline (33) demountable installation is on a second infusion section of thick bamboo (32), second piston (31) slide and set up in a second infusion section of thick bamboo (32).
9. The dual chamber injection device of claim 1 wherein: the first infusion mechanism further comprises a first infusion barrel (22) and a first injection needle (24), the first infusion barrel (22) is fixedly installed in the shell (11), the first injection needle (24) is detachably installed on the first infusion barrel (22), the first piston (21) is arranged in the first infusion barrel (22) in a sliding mode, the second infusion mechanism further comprises a second infusion barrel (32) and a second injection needle (34), the second infusion barrel (32) is fixedly installed in the shell (11), the second injection needle (34) is detachably installed on the second infusion barrel (32), and the second piston (31) is arranged in the second infusion barrel (32) in a sliding mode.
10. The dual chamber injection device of claim 1 wherein: the device also comprises a control assembly (91), wherein the control assembly (91) is in signal connection with the rotating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698451.0U CN214550531U (en) | 2020-11-19 | 2020-11-19 | Dual-lumen injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698451.0U CN214550531U (en) | 2020-11-19 | 2020-11-19 | Dual-lumen injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214550531U true CN214550531U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022698451.0U Withdrawn - After Issue CN214550531U (en) | 2020-11-19 | 2020-11-19 | Dual-lumen injection device |
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| Country | Link |
|---|---|
| CN (1) | CN214550531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451801A (en) * | 2020-11-19 | 2021-03-09 | 李荣毓 | Dual chamber injection device |
-
2020
- 2020-11-19 CN CN202022698451.0U patent/CN214550531U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451801A (en) * | 2020-11-19 | 2021-03-09 | 李荣毓 | Dual chamber injection device |
| CN112451801B (en) * | 2020-11-19 | 2024-12-31 | 李荣毓 | Dual chamber injection device |
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