CN219941238U - Medical hand-held dispensing device - Google Patents
Medical hand-held dispensing device Download PDFInfo
- Publication number
- CN219941238U CN219941238U CN202320993246.8U CN202320993246U CN219941238U CN 219941238 U CN219941238 U CN 219941238U CN 202320993246 U CN202320993246 U CN 202320993246U CN 219941238 U CN219941238 U CN 219941238U
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- motor
- circuit
- control circuit
- transmission part
- gear
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- 230000005540 biological transmission Effects 0.000 claims description 55
- 230000033001 locomotion Effects 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 208000004760 Tenosynovitis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a medical hand-held dispensing device, which is characterized in that a dispensing syringe is clamped on a handle main body, the moving direction of a piston rod of the dispensing syringe is controlled through a button on the handle, dispensing liquid is sucked into the syringe and pushed out of the syringe, and the dispensing process is rapidly realized.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a medical hand-held dispensing machine.
Background
At present, more and more importance is attached to dispensing infection, and as the dispensing work has a larger liquid medicine pollution risk, in order to reduce the occurrence of dispensing pollution, a plurality of hospitals establish a venous dispensing center, so that the dispensing of the hospitals is more centralized and specialized, and the occurrence of nosocomial infection caused by environmental pollution is avoided to a great extent; the dispensing center often dispenses in a manual mode, so that the workload is high, the strength is high, the efficiency is low, and various occupational diseases (calluses and tenosynovitis) caused by dispensing seriously affect the work and life quality of staff; and is easy to cause environmental pollution; if corrosive and radioactive medicines are prepared, the body of the staff is hurt, and meanwhile, the liquid medicine is wasted, so that the economic burden is increased.
Therefore, there is a need for a medical dispensing device that is simple to operate and has high dispensing efficiency.
Disclosure of Invention
Accordingly, the utility model aims to provide a medical hand-held dispensing device which automatically dispenses by changing the moving direction of a pushing dispensing device, thereby improving the dispensing efficiency.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a medical hand-held dispensing device which comprises a handle main body, a fixed bin, a transmission part, a driving unit and a control circuit, wherein the fixed bin is arranged on the handle main body; the handle main body is provided with a fixed bin for accommodating dispensing equipment, one end of a movable part of the dispensing equipment is connected with a transmission part, the other end of the transmission part is connected with a driving unit, and the driving unit drives the transmission part to move under the control of a control circuit; the transmission part drives the movable part of the dispensing equipment to move in the opposite direction.
Further, the transmission part adopts a movable clamping block which is arranged in the handle main body and is matched with a chute arranged on the handle main body to form a sliding mechanism together.
Further, the driving unit is a motor driving circuit and is used for providing a driving function for the rotation of the motor; the control circuit is a motor control circuit, and the motor control circuit comprises a motor forward rotation circuit and a motor reverse rotation circuit; the motor control circuit adopts a universal motor control circuit to control the rotation direction of the motor; the direction of the linear motion of the transmission part is controlled by controlling the rotation direction of the motor, so that the transmission part can move in two different directions.
Further, the handle main body is provided with a forward movement button and a backward movement button; the button is respectively connected with the control circuit and used for being communicated with the motor rotating circuit, and the forward movement button is connected in series in the motor forward rotation circuit and used for controlling the motor to rotate forward; the backward movement button is connected in series in the motor reverse rotation circuit and is used for controlling the motor to rotate reversely; the control circuits of the two buttons and the motor forward rotation circuit and the motor reverse rotation circuit adopt related circuits in the prior art.
Further, the dispensing device comprises a gear control mechanism, wherein the gear control mechanism comprises a gear part, a limit switch and a linkage rod; the gear parts are respectively arranged at two ends of a moving path of the transmission part, the linkage rod is arranged between the two gear parts, the limit switch is arranged at one side of one of the gear parts, and when the gear parts and the limit switch act, the state of the limit switch is changed, so that the motor control circuit is changed from a motor forward rotation circuit to a motor reverse rotation circuit;
when the limit switch acts with the gear part on the other side, the state of the limit switch is changed through the linkage rod, so that the motor control circuit is changed from a motor reverse rotation circuit to a motor forward rotation circuit.
Further, when the transmission part interacts with one gear part, the limit switch can be changed from a closed state to an open state, so that a control circuit is opened, a forward working circuit of the motor is cut off, and the motor enters a reverse rotation circuit state; or when the transmission part interacts with the gear part on the other side, the state of the limit switch is changed through the action of the linkage rod, the state can be changed from an open state to a closed state, and the control circuit is communicated, so that the working state of the motor is maintained.
Further, the gear part is provided with a self-locking part; the gear position part is arranged as a sliding block along the moving path of the transmission part, sliding block equipment is arranged on the sliding block and can move along the sliding block, the self-locking part is arranged on the sliding block and is used for fixing the sliding block on the sliding block, the self-locking part adopts a rotary threaded bolt, when the threaded bolt is screwed, the sliding block is fixed on the sliding block, at the moment, when the transmission part moves to the set sliding block position, the limit switch is changed into an off state from a closed state, so that a control circuit is disconnected, a working circuit of a motor is cut off, and the gear position needs are realized.
Further, the motor control circuit adopts a motor reversing circuit formed by double-pole double-throw switches, and comprises the double-pole double-throw switches and a power supply; the double-pole double-throw switch comprises a fixed contact, a first movable contact and a second movable contact; the power supply is arranged between the two fixed contacts, the first movable contact is in cross connection with the second movable contact, and the motor is connected between the first movable contact and the second movable contact; respectively forming a motor forward rotation circuit and a motor reverse rotation circuit; the forward movement button is arranged in the motor forward rotation circuit in series; the backward movement button is arranged in series on the motor reverse rotation circuit.
The utility model has the beneficial effects that:
according to the medical handheld dispensing device, the dispensing syringe is clamped on the handle main body, the moving direction of the piston rod of the dispensing syringe is controlled through the button on the handle, dispensing liquid is sucked into the syringe and pushed out of the syringe, the dispensing process is rapidly achieved, the device only needs to press the control button by controlling forward and reverse rotation of the rotating motor, the piston rod of the syringe automatically achieves reciprocating motion through the preset gear control mechanism, and labor intensity of operators is reduced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:
fig. 1 is a perspective view of a medical hand-held dispensing device.
Fig. 2 is a front view of the medical hand-held dispensing device.
Fig. 3 is a cross-sectional view of a medical hand-held dispensing device.
Fig. 4 is a circuit diagram of a medical hand-held dispensing device.
1-a handle main body, 2-a dispensing device, 3-a gear control mechanism, 4-a driving unit, 11-a fixed bin, 12-a transmission part, 13-a forward movement button, 14-a backward movement button, 21-a movable part, 22-a movable clamping block, 31-a gear part, 32-a limit switch and 33-a linkage rod; 51-double pole double throw switch, 52-power supply, 53-stationary contact, 54-first movable contact, 55-second movable contact.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model, so that those skilled in the art may better understand the utility model and practice it.
As shown in fig. 1 to 2, the medical hand-held dispensing device provided in this embodiment includes a handle main body, a fixed bin, a transmission component, a driving unit, and a control circuit;
the handle main body is provided with a fixed bin for accommodating dispensing equipment, the dispensing equipment adopts an injector for dispensing, one end of a movable part of the dispensing equipment is connected with a transmission part, the other end of the transmission part is connected with a driving unit, and the driving unit drives the transmission part to move under the control of a control circuit; the transmission part drives the movable part of the dispensing equipment to move in the opposite direction; the dispensing apparatus in this embodiment employs a syringe or similar dispensing device for dispensing the medication.
The transmission part adopts a movable clamping block arranged in the handle main body, and the movable clamping block is matched with a chute arranged on the handle main body to form a sliding mechanism together; the driving unit is a motor driving circuit and is used for providing a driving function for the rotation of the motor; the control circuit is a motor control circuit, and the motor control circuit comprises a motor forward rotation circuit and a motor reverse rotation circuit; the motor control circuit adopts a universal motor control circuit to control the rotation direction of the motor; the direction of the linear motion of the transmission part is controlled by controlling the rotation direction of the motor, so that the transmission part can move in two different directions.
The transmission part and the driving unit in the embodiment are connected by adopting a gear-rack mechanism, the transmission part is provided with a rack, a motor main shaft of the driving unit is provided with a gear, the rack is meshed with the gear on the motor main shaft, when the motor rotates, the main shaft drives the gear to rotate, the gear drives the rack to move, and the rack drives the transmission part to move.
The transmission part and the driving unit in the embodiment are in a screw transmission mode, the transmission part is connected with the screw, the motor rotates to drive the screw to rotate, and the screw rotates to drive the transmission part.
The transmission part and the driving unit in the embodiment are in an air pressure transmission mode, the driving unit is an air cylinder, the control circuit is an air cylinder control circuit, a piston rod of the air cylinder is connected with the transmission part, and when the piston of the air cylinder moves, the piston rod drives the transmission part to move.
Meanwhile, the handle main body is provided with a forward movement button and a backward movement button; the button is respectively connected with the control circuit and used for being communicated with the motor rotating circuit, and the forward movement button is connected in series in the motor forward rotation circuit and used for controlling the motor to rotate forward; the backward movement button is connected in series in the motor reverse rotation circuit and is used for controlling the motor to rotate reversely; the control circuits of the two buttons and the motor forward rotation circuit and the motor reverse rotation circuit adopt related circuits in the prior art.
As shown in fig. 3, the dispensing device provided in this embodiment includes a gear control mechanism, where the gear control mechanism includes a gear part, a limit switch, and a linkage rod; the gear parts are respectively arranged at two ends of a moving path of the transmission part, the linkage rod is arranged between the two gear parts, the limit switch is arranged at one side of one of the gear parts, and when the gear parts and the limit switch act, the state of the limit switch is changed, so that the motor control circuit is changed from a motor forward rotation circuit to a motor reverse rotation circuit; when the limit switch acts with the gear part on the other side, the state of the limit switch is changed through the linkage rod, so that the motor control circuit is changed from a motor reverse rotation circuit to a motor forward rotation circuit;
when the transmission part interacts with one gear part, the limit switch can be changed from a closed state to an open state, so that a control circuit is opened, a forward working circuit of the motor is cut off, and the motor enters a reverse rotation circuit state; or when the transmission part interacts with the gear part on the other side, the state of the limit switch is changed through the action of the linkage rod, the state can be changed from an open state to a closed state, and the control circuit is communicated, so that the working state of the motor is maintained.
The gear part is provided with a self-locking part; the gear part is arranged as a sliding block, the sliding block equipment is arranged on the sliding block and can move along the sliding block, the self-locking part is arranged on the sliding block and is used for fixing the sliding block on the sliding block, the self-locking part adopts a rotary threaded bolt, when the threaded bolt is screwed, the sliding block is fixed on the sliding block, at the moment, when the transmission part moves to a set sliding block position, the limit switch is changed from a closed state to an open state, so that a control circuit is disconnected, a working circuit of a motor is cut off, and the gear requirement is realized; the gear part of the embodiment can set a plurality of gears according to actual demands, and generally can select and set two gears of 5mL and 20 mL.
As shown in fig. 4, the function of forward and reverse rotation control of the motor is realized, other controls of the motor are not included in the diagram, and a motor control circuit in the embodiment adopts a motor reversing circuit formed by double-pole double-throw switches, wherein the motor control circuit comprises the double-pole double-throw switches and a power supply; the double-pole double-throw switch comprises a fixed contact, a first movable contact and a second movable contact;
the power supply is arranged between the two fixed contacts, the first movable contact is in cross connection with the second movable contact, and the motor is connected between the first movable contact and the second movable contact; respectively forming a motor forward rotation circuit and a motor reverse rotation circuit; the forward movement button is arranged in the motor forward rotation circuit in series; the backward movement button is arranged in series in the motor reverse rotation circuit;
the limit switch in this embodiment adopts the control lever of the switching mechanism used for controlling the rotation direction of the motor in the motor control circuit, or adopts the control part on the stationary contact of the double-pole double-throw switch, the gear control mechanism is by the half I-shaped frame that two gear parts and gangbar constitute, wherein, the gangbar can be made into telescopic mechanism, through the different gear needs of telescopic adjustment, one of them gear part sets up the arch by the contact with limit switch, act on limit switch through this arch, force limit switch change state, the position design of the lead screw or the gear of drive part can not influence limit switch, what is shown in fig. 3 is that the lead screw rotates the model, drive unit and control circuit can be set up in the lower part of handle main part, set up the lead screw on the motor shaft, the lead screw is with the internal thread cooperation of syringe piston rod, the positive and negative rotation of lead screw drives the syringe piston rod and retreats, when movable part moves upwards to the upper gear part, when upwards jack up, the gear part of lower gear part moves upwards, force limit switch change state, the position design of the lead screw or gear of drive part is located in the boss, the double-pole double-throw switch change state, it is that the double-pole double-throw switch is used to change the double-pole switch.
When the motor is used, the power supply is started, the forward movement button is pressed, the motor rotates forward, the transmission part is driven to move, and when the motor moves to the limit switch, the transmission part acts on the gear part, so that the limit switch changes state, the forward control circuit of the motor is cut off, and the reverse control circuit of the motor is communicated; at this time, if the backward movement button is pressed, the motor backward control circuit is connected, the motor reversely rotates, the transmission part moves in the opposite direction, and when the transmission part moves to the gear part at the other side, the transmission part acts with the gear part to enable the limit switch to change state, the motor backward control circuit is cut off, and the motor forward control circuit is connected; at this time, if the forward movement button is pressed, the motor forward control circuit is connected, and the motor rotates forward, thus reciprocating.
The device is also applicable to syringes of different sizes simultaneously, can realize a dispensing process by pressing two switch buttons, does not need to pay attention to the specification of a dispensing container, is operated repeatedly, reduces operation steps, reduces storage cost and is more convenient and faster to use.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.
Claims (7)
1. A medical hand-held dispensing device, which is characterized in that: comprises a handle main body, a fixed bin, a transmission part, a driving unit and a control circuit; the handle main body is provided with a fixed bin for accommodating dispensing equipment, one end of a movable part of the dispensing equipment is connected with a transmission part, the other end of the transmission part is connected with a driving unit, and the driving unit drives the transmission part to move under the control of a control circuit; the transmission part drives the movable part of the dispensing equipment to move in the opposite direction;
the gear control mechanism comprises a gear part, a limit switch and a linkage rod; the gear parts are respectively arranged at two ends of a moving path of the transmission part, the linkage rod is arranged between the two gear parts, the limit switch is arranged at one side of one of the gear parts, and when the gear parts and the limit switch act, the state of the limit switch is changed, so that the motor control circuit is changed from a motor forward rotation circuit to a motor reverse rotation circuit; when the limit switch acts with the gear part on the other side, the state of the limit switch is changed through the linkage rod, so that the motor control circuit is changed from a motor reverse rotation circuit to a motor forward rotation circuit.
2. A medical hand-held dispensing device as claimed in claim 1, wherein: the transmission part adopts a movable clamping block which is arranged in the handle main body and is matched with a chute arranged on the handle main body to form a sliding mechanism together.
3. A medical hand-held dispensing device as claimed in claim 1, wherein: the driving unit is a motor driving circuit and is used for providing a driving function for the rotation of the motor; the control circuit is a motor control circuit, and the motor control circuit comprises a motor forward rotation circuit and a motor reverse rotation circuit; the motor control circuit adopts a universal motor control circuit to control the rotation direction of the motor; the direction of the linear motion of the transmission part is controlled by controlling the rotation direction of the motor, so that the transmission part can move in two different directions.
4. A medical hand-held dispensing device as claimed in claim 1, wherein: the handle main body is provided with a forward movement button and a backward movement button; the button is respectively connected with the control circuit and used for being communicated with the motor rotating circuit, and the forward movement button is connected in series in the motor forward rotation circuit and used for controlling the motor to rotate forward; the backward movement button is connected in series with the motor reverse rotation circuit and used for controlling the motor to rotate reversely.
5. A medical hand-held dispensing device as claimed in claim 1, wherein: when the transmission part interacts with one gear part, the limit switch can be changed from a closed state to an open state, so that a control circuit is opened, a forward working circuit of the motor is cut off, and the motor enters a reverse rotation circuit state; or when the transmission part interacts with the gear part on the other side, the state of the limit switch is changed through the action of the linkage rod, the state can be changed from an open state to a closed state, and the control circuit is communicated, so that the working state of the motor is maintained.
6. A medical hand-held dispensing device as claimed in claim 1, wherein: the gear part is provided with a self-locking part; the gear position part is arranged as a sliding block along the moving path of the transmission part, sliding block equipment is arranged on the sliding block and can move along the sliding block, the self-locking part is arranged on the sliding block and is used for fixing the sliding block on the sliding block, the self-locking part adopts a rotary threaded bolt, when the threaded bolt is screwed, the sliding block is fixed on the sliding block, at the moment, when the transmission part moves to the set sliding block position, the limit switch is changed into an off state from a closed state, so that a control circuit is disconnected, a working circuit of a motor is cut off, and the gear position needs are realized.
7. A medical hand-held dispensing device as defined in claim 4, wherein: the motor control circuit adopts a motor reversing circuit formed by double-pole double-throw switches, and comprises the double-pole double-throw switches and a power supply; the double-pole double-throw switch comprises a fixed contact, a first movable contact and a second movable contact; the power supply is arranged between the two fixed contacts, the first movable contact is in cross connection with the second movable contact, and the motor is connected between the first movable contact and the second movable contact; respectively forming a motor forward rotation circuit and a motor reverse rotation circuit; the forward movement button is arranged in the motor forward rotation circuit in series; the backward movement button is arranged in series on the motor reverse rotation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320993246.8U CN219941238U (en) | 2023-04-27 | 2023-04-27 | Medical hand-held dispensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320993246.8U CN219941238U (en) | 2023-04-27 | 2023-04-27 | Medical hand-held dispensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219941238U true CN219941238U (en) | 2023-11-03 |
Family
ID=88544293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320993246.8U Active CN219941238U (en) | 2023-04-27 | 2023-04-27 | Medical hand-held dispensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219941238U (en) |
-
2023
- 2023-04-27 CN CN202320993246.8U patent/CN219941238U/en active Active
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