CN110354338B - Pump valve integrated device with rotary distribution and injection functions - Google Patents
Pump valve integrated device with rotary distribution and injection functions Download PDFInfo
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- CN110354338B CN110354338B CN201811021210.3A CN201811021210A CN110354338B CN 110354338 B CN110354338 B CN 110354338B CN 201811021210 A CN201811021210 A CN 201811021210A CN 110354338 B CN110354338 B CN 110354338B
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- 238000002347 injection Methods 0.000 title claims abstract description 70
- 239000007924 injection Substances 0.000 title claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 30
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000005389 magnetism Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31501—Means for blocking or restricting the movement of the rod or piston
- A61M5/31505—Integral with the syringe barrel, i.e. connected to the barrel so as to make up a single complete piece or unit
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31525—Dosing
- A61M5/31528—Dosing by means of rotational movements, e.g. screw-thread mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
- A61M5/31583—Constructional features or modes of drive mechanisms for piston rods based on rotational translation, i.e. movement of piston rod is caused by relative rotation between the user activated actuator and the piston rod
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a pump valve integrated device with rotary distribution and injection functions, wherein the pump valve integrated device with rotary distribution and injection functions comprises: the motor is provided with a first output shaft and a second output shaft which are oppositely arranged; one end of the coupler is arranged at a position corresponding to the first output shaft, the coupler can be selectively attached to or adsorbed on the first output shaft, and when the coupler is adsorbed on the first output shaft, the motor drives the coupler to rotate; one end of the rotary distributing valve is provided with a plurality of runner holes; the diaphragm is arranged in the rotary distribution valve, a flow channel groove is formed in the diaphragm, the diaphragm is connected with the other end of the coupler, and the motor drives the diaphragm to rotate through the coupler, so that the diaphragm is communicated with two flow channel holes through the flow channel groove; the first electromagnetic power switcher is arranged on the first output shaft. According to the invention, the rotary distribution valve or the injector is selectively driven by one motor, so that the occupied space of the rotary distribution valve and the injection pump is reduced, and the intelligent and integrated requirements of the prior art are met.
Description
Technical Field
The present invention relates to a pump valve integrated device, and more particularly, to a pump valve integrated device with rotation distribution and injection functions for a fluid control system.
Background
In the fluid control system, the system design tends to be intelligent and integrated, and the requirement on the quantitative precision is higher, but no pump valve integrated device is provided in the fluid control system in the prior art, and in the prior art, the rotary distribution valve and the injection pump are two independent elements and are driven to work by different motors respectively, so that the online work of the rotary distribution valve and the injection pump can be realized.
Because of the limited space of the fluid control element, the online working mode of the prior art cannot meet the intelligent and integrated requirements of the prior art. Therefore, there is an urgent need for a pump valve integrated device that reduces its occupied space.
Disclosure of Invention
The invention aims to solve the technical problem of providing a pump valve integrated device with rotary distribution and injection functions, which can be used for selectively driving a rotary distribution valve or an injector through one motor, so that the problems that the rotary distribution valve and the injector in the prior art can only realize online work of the rotary distribution valve and the injector by respectively driving the rotary distribution valve and the injector through different motors are solved.
The technical scheme adopted for solving the technical problems is as follows: there is provided a pump valve integrated device having a rotational dispensing and injection function, wherein the pump valve integrated device having a rotational dispensing and injection function includes: the motor is provided with a first output shaft and a second output shaft which are oppositely arranged; one end of the coupler is arranged at a position corresponding to the first output shaft, the coupler can be selectively attached to or adsorbed on the first output shaft, and when the coupler is adsorbed on the first output shaft, the motor drives the coupler to rotate; one end of the rotary distributing valve is provided with a plurality of runner holes; the diaphragm is arranged in the rotary distribution valve, a flow channel groove is formed in the diaphragm, the diaphragm is connected with the other end of the coupler, and the motor drives the diaphragm to rotate through the coupler, so that the diaphragm is communicated with two flow channel holes through the flow channel groove; the first electromagnetic power switcher is arranged on the first output shaft and is used for switching the attachment or adsorption of the first output shaft and the coupler; the injector can be selectively connected with one of the runner holes; an injection piston, one end of which is arranged in the injector; the transmission mechanism is arranged at a position corresponding to the second output shaft and is connected with the other end of the injection piston, the transmission mechanism can be selectively attached to or adsorbed by the second output shaft, when the transmission mechanism is adsorbed on the second output shaft, the motor drives the injection piston to linearly reciprocate in the injector through the transmission mechanism; and the second electromagnetic power switcher is arranged on the second output shaft and is used for switching the attachment or adsorption of the second output shaft and the transmission mechanism.
When the first electromagnetic power switcher is started, the coupler is adsorbed on the first output shaft, the motor drives the diaphragm to rotate through the coupler, the second electromagnetic power switcher is closed, and the transmission mechanism is attached to the second output shaft; when the second electromagnetic power switcher is started, the transmission mechanism is adsorbed on the second output shaft, the motor drives the injection piston to linearly reciprocate in the injector through the transmission mechanism, the first electromagnetic power switcher is closed, and the first output shaft is attached to the coupler.
The pump valve integrated device with the functions of rotary distribution and injection further comprises a coding disc and an encoder, wherein the coding disc is arranged on the first output shaft, the encoder is arranged at a position corresponding to the coding disc, the coding disc is used for detecting the rotation angle of the motor and transmitting the rotation angle to the encoder, and the encoder is used for controlling the rotation angle of the motor.
The pump valve integrated device with the functions of rotary distribution and injection further comprises a frame main body, wherein a motor mounting plate is arranged on the frame main body, and a motor is arranged on the motor mounting plate.
According to still a further technical scheme, the transmission mechanism further comprises: the screw rod is arranged at a position corresponding to the second output shaft, the screw rod can be selectively attached or adsorbed on the second output shaft, and when the screw rod is adsorbed on the second output shaft, the motor drives the screw rod to rotate; the nut is arranged on the screw rod and linearly reciprocates along the screw rod through the rotation of the screw rod; and the adjusting rod is arranged on the nut and is connected with the injection piston along with the reciprocating linear displacement of the nut.
According to still further technical scheme, the pump valve integrated device with the rotary distribution and injection functions further comprises a shell, the rotary distribution valve is arranged at one end of the shell, the motor, the coupler, the first electromagnetic power switcher, the screw rod, the second electromagnetic power switcher and the nut are all arranged in the shell, the adjusting rod penetrates through the shell to be connected with the nut, and the injector and the injection piston are arranged on the side face of the shell.
In still a further aspect of the present invention, the pump valve integrated device having the functions of rotational distribution and injection further includes at least one sensor for sensing the position of the nut and controlling the motor to stop driving.
According to a still further technical scheme of the invention, the number of the sensors is two, and the distance between the two sensors corresponds to the maximum and minimum stroke ranges of the injection piston.
According to still further technical scheme, the plurality of runner holes further comprise a main runner hole and a plurality of auxiliary runner holes, and the diaphragm is connected with the main runner hole and one of the auxiliary runner holes.
According to still further technical scheme, the pump valve integrated device with the rotary distribution and injection functions further comprises a three-way valve, and the injector is communicated with the main runner hole through the three-way valve.
The rotary distributing valve comprises a valve cover and a valve body, wherein the valve cover is arranged at one end of the valve body, and a plurality of runner holes are formed in the valve cover.
Compared with the prior art, the invention has the advantages that:
1. The pump valve integrated device with the functions of rotary distribution and injection integrates the rotary distribution valve and the injection pump, and can select the rotary distribution runner hole for driving the rotary distribution valve or the injection action of the injector according to the operation requirement through one motor, so that the occupied space of the rotary distribution valve and the injection pump is reduced, the modularized application of the pump valve is effectively promoted, meanwhile, the liquid path is simplified, the cost is reduced, and the intelligent and integrated requirements of the prior art are met;
2. the pump valve integrated device with the rotary distribution and injection functions can accurately complete the rotary distribution and injection functions of liquid by performing software time sequence control on the motor through the coding disc and the coder.
Drawings
FIG. 1 is a schematic diagram of a pump valve integrated device with rotary distribution and injection functions according to an embodiment of the present invention.
FIG. 2 is a schematic side view of a pump valve integrated device with rotational dispensing and injection functions according to an embodiment of the present invention.
Fig. 3 is a schematic view showing a structure in which a pump valve integrated device having a rotary distribution and injection function according to an embodiment of the present invention is provided in a housing.
Fig. 4 is an exploded view of a pump valve integrated device with rotary dispensing and injection functions according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a motor according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a valve cover according to an embodiment of the present invention.
FIG. 7 is a schematic diagram of a diaphragm according to an embodiment of the present invention.
Fig. 8 is a schematic front view of a syringe coupled to a rotary dispensing valve according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 7, in one embodiment of the present invention, a pump-valve integrated device 1 with rotation distribution and injection functions is disclosed, wherein the pump-valve integrated device 1 with rotation distribution and injection functions comprises a motor 2, a coupling 3, a rotation distribution valve 4, a diaphragm 5, a first electromagnetic power switch 6, an injector 7, an injection piston 8, a transmission mechanism 9 and a second electromagnetic power switch 10, wherein:
Referring to fig. 5, the motor 2 is provided with a first output shaft 21 and a second output shaft 22 disposed opposite to each other, wherein the motor 2 is preferably a stepper motor, but the choice of the motor 2 is not limited thereto, and those skilled in the art can select other suitable motors according to the teachings of the present invention.
In a preferred embodiment, referring to fig. 1,2 and 4, the motor 2 is mounted on a frame body 13 through a motor mounting plate 14, the motor mounting plate 14 is two parallel plates, and is vertically disposed on the frame body 3, and the first output shaft 21 passes through one of the parallel plates, and the second output shaft 22 passes through the other parallel plate, and the motor mounting plate 14 and the frame body 13 are mainly used for providing rigid support to the motor 2, not limited to the disclosure of the present embodiment.
As shown in fig. 2, the center line of the coupling 3 disclosed in the embodiment is on the same line with the center line of the first output shaft 21, and the coupling 3 is attached to the first output shaft 21, but the present embodiment is not limited to the arrangement mode.
Referring to fig. 2 again, when the first electromagnetic power switch 6 is started, the first output shaft 21 generates magnetism and adsorbs the coupling 3, and at this time, the first output shaft 21 drives the coupling 3 to rotate; when the first electromagnetic power switch 6 is closed, the first output shaft 21 loses magnetism, at this time, the first output shaft 21 is only attached to the coupling 3, and the first output shaft 21 does not drive the coupling 3 to rotate.
Referring to fig. 4, specifically, the rotary distribution valve 4 disclosed in this embodiment includes a valve cover 41 and a valve body 42, the valve cover 41 is disposed at one end of the valve body 42, and the plurality of flow passage holes 43 are disposed on the valve cover 41, as shown in fig. 6. The valve cover 41 further disclosed in this embodiment is further provided with a compression ring 44, and the compression ring 44 is connected with the valve cover 41 and the valve body 42 through screws, so as to increase the tightness of the valve cover 41 and the valve body 42.
In a preferred embodiment, the plurality of runner holes 43 further includes a main runner hole 431 and a plurality of sub runner holes 432, wherein the main runner hole 431 is used for communicating with the injector 7, and one sub runner hole 432 is correspondingly connected to one runner to be injected.
In a preferred embodiment, referring again to fig. 6, the main flow passage hole 431 is disposed at a middle position of the valve cover 41, and a plurality of auxiliary flow passage holes 432 are disposed around the main flow passage hole 431 at circular intervals.
The diaphragm 5 is disposed in the rotary distributing valve 4, the diaphragm 5 is provided with a runner groove 51, as shown in fig. 7, the runner groove 51 is used for communicating two runner holes 43, the diaphragm 5 is connected with the other end of the coupling 3, and the motor 2 drives the diaphragm 5 to rotate through the coupling 3, so that the diaphragm 5 can selectively communicate two runner holes 43 through the runner groove 51.
In a preferred embodiment, referring to fig. 7 again, the diaphragm 5 is provided with hole sites 52 corresponding to the main runner hole 431 and the plurality of auxiliary runner holes 432, and the hole sites 52 corresponding to the main runner hole 431 are communicated with one of the hole sites 52 corresponding to the auxiliary runner holes 432 to form the runner groove 51, and since the main runner hole 431 is disposed in the middle of the valve cover 41, one end of the runner groove 51 is always communicated with the main runner hole 431 when the diaphragm 5 rotates, and the other end is selectively communicated with one of the auxiliary runner holes 432 by rotating to different positions, however, the arrangement mode of the runner groove 51 is not limited thereto, and those skilled in the art can select other suitable arrangement modes according to the teachings of the present invention.
The injector 7 can be selectively connected with one of the flow passage holes 43, and the injector 7 disclosed in this embodiment is communicated with the main flow passage hole 431, and the injector 7 mainly provides an injection for the rotary distribution valve 4, but specifically connects with which flow passage hole 43, which can be selected according to the actual requirement, and is not limited to the disclosure of this embodiment.
In a preferred embodiment, referring to fig. 8, the syringe 7 is communicated with the main flow channel hole 431 through the three-way valve 19, the other valve port of the three-way valve 19 is connected with the liquid to be injected, when the syringe 7 draws the liquid, the three-way valve 19 closes the valve connected with the main flow channel hole 431 and opens the valve connected with the liquid to be injected and the syringe 7; when the syringe 7 is injecting liquid, the three-way valve 19 closes the valve connected to the liquid to be injected and opens the valve connected to the main flow passage hole 431 and the syringe 7, but this embodiment is not limited to the disclosure.
One end of an injection piston 8 is disposed in the injector 7, and as shown in fig. 2, the injection or extraction of the injector 7 is realized by the linear reciprocating motion of the piston 8 in the injector 7.
The transmission mechanism 9 is arranged at a position corresponding to the second output shaft 22 and is connected with the other end of the injection piston 8, the transmission mechanism 9 can be selectively attached to or adsorbed by the second output shaft 22, and when the transmission mechanism 9 is adsorbed on the second output shaft 22, the motor 2 drives the injection piston 8 to linearly reciprocate in the injector 7 through the transmission mechanism 9.
In a preferred embodiment, referring to fig. 4, the specific structure of the transmission mechanism 9 includes a screw rod 91, a nut 92 and an adjusting rod 93, the screw rod is disposed at a position corresponding to the second output shaft 22, the center line of the screw rod 91 disclosed in the embodiment and the center line of the second output shaft 22 are located on the same line, and the screw rod 91 is attached to the second output shaft 22, but not limited to the arrangement manner disclosed in the embodiment. The nut 92 is disposed on the screw rod 91, the nut 92 makes a linear reciprocating displacement along the screw rod 91 by rotating the screw rod 91, the adjusting rod 93 is disposed on the nut 92 and makes a reciprocating linear displacement along with the nut 92, the adjusting rod 93 is connected with the injection piston 8, and the injection piston 8 is pushed to make a linear reciprocating displacement in the injector 7 by the reciprocating linear displacement of the adjusting rod 93, however, the structure of the transmission mechanism 9 is not limited to that disclosed in the present embodiment, and a person skilled in the art can select other suitable transmission mechanisms according to the teachings of the present invention.
The second electromagnetic power switch 10 is disposed on the second output shaft 22, as shown in fig. 1 and 2, when the second electromagnetic power switch 10 is started, the second output shaft 22 generates magnetism and adsorbs the transmission mechanism 9, at this time, the second output shaft 22 drives the injection piston 8 to linearly reciprocate in the injector 7 through the transmission mechanism 9, when the second electromagnetic power switch 10 is closed, the second output shaft 22 loses magnetism, at this time, the second output shaft 22 is only attached to the transmission mechanism 9, the transmission mechanism 9 does not play a transmission role, and the second output shaft 22 does not drive the injection piston 8 to displace.
In a preferred embodiment, when the second electromagnetic power switch 10 is started, the second output shaft 22 generates magnetism and adsorbs the screw rod 91, at this time, the second output shaft 22 drives the screw rod 91 to rotate, the nut 92 makes linear reciprocating displacement along the screw rod 91, and the adjusting rod 93 makes reciprocating linear displacement along with the nut 92 and simultaneously pushes the injection piston 8 to make linear reciprocating displacement in the injector 7; when the second electromagnetic power switch 10 is turned off, the second output shaft 22 loses magnetism, and at this time, the second output shaft 22 is only attached to the screw 91, and the second output shaft 22 does not drive the screw 91 to rotate.
The first electromagnetic power switch 6 and the second electromagnetic power switch 10 in the invention cannot be started at the same time, namely, when the first electromagnetic power switch 6 is started, the second electromagnetic power switch 10 is closed; when the second electromagnetic power switch 10 is started, the first electromagnetic power switch 6 is closed; if the first electromagnetic power switch 6 and the second electromagnetic power switch 10 are started simultaneously, the first output shaft 21 drives the diaphragm 5 to rotate through the coupling 3, so that the main runner hole 431 is simultaneously and intermittently communicated with different auxiliary runner holes 432, and at this time, the liquid injected by the injector 7 flows into different auxiliary runner holes 432 respectively, so that the injected liquid is disturbed.
In a preferred embodiment, referring to fig. 2 and 4, the pump valve integrated device 1 with rotary distribution and injection functions further includes a coding disc 11 and an encoder 12 electrically connected to a circuit control board 17. The encoder 12 is disposed at a position corresponding to the encoder 11, the encoder 12 disclosed in this embodiment is disposed at an upper end of the encoder 11, the encoder 12 is used for detecting a rotation angle of the motor (stepper motor) 2 and transmitting the rotation angle to the encoder 12, the encoder 12 is used for controlling the rotation angle of the motor (stepper motor) 2, detection signals are transmitted to the circuit control board 17 through the encoder 11 and the encoder 12, and software timing control is performed on the motor 2 by a firmware program built in the circuit control board 17, so that the rotation distribution and injection functions of fluid are accurately completed.
In a preferred embodiment, referring to fig. 3 and 4, the pump valve integrated device 1 with functions of rotation distribution and injection further includes a housing 15, the rotation distribution valve 4 is disposed at one end of the housing 15, the motor 2, the coupling 3, the first electromagnetic power switch 6, the screw rod 91, the second electromagnetic power switch 10 and the nut 92 are all disposed in the housing 15, one end of the adjusting rod 93 passes through the housing 15 to be connected with the nut 92, the other end is connected with one end of the injection piston 8, the other end of the injection piston 8 is disposed in the injector 7, and the injector 7 is mounted on the side surface of the housing 15 through an arc-shaped mounting ring 18, but not limited to the arrangement disclosed in this embodiment.
In a preferred embodiment, referring to fig. 1, 2 and 4, the pump valve integrated device 1 with rotation distribution and injection functions further includes at least one sensor 16 for sensing the position of the nut 92 and controlling the motor 2 to stop driving, the sensor 16 is electrically connected to the circuit control board 17, and the circuit control board 17 is electrically connected to the second electromagnetic power switch 10, when the sensor 16 senses the nut 92, a signal is sent to the circuit control board 17, the circuit control board 17 controls the second electromagnetic power switch 10 to be closed, so that the second output shaft 22 is in a fitting state with the screw 91, and the screw 91 is stopped to drive the screw 91 to stop moving, so that the connection circuit between the circuit control board 17 and the sensor 16 and the second electromagnetic power switch 10 is not a protection scope of the present application.
Preferably, the number of sensors 16 is two, and the distance between the two sensors 16 corresponds to the maximum and minimum travel ranges of the injection piston 8, so as to control the injection piston 8 to completely inject or suck the syringe 7, and prevent the movement of the injection piston 8 from exceeding the travel range, crashing or separating from the syringe 7.
While the foregoing description illustrates and describes several preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (8)
1. A pump valve integrated device with rotary dispensing and injection functions, characterized in that it comprises:
the motor is provided with a first output shaft and a second output shaft which are oppositely arranged;
One end of the coupler is arranged at a position corresponding to the first output shaft, the coupler can be selectively attached to or adsorbed on the first output shaft, and when the coupler is adsorbed on the first output shaft, the motor drives the coupler to rotate;
One end of the rotary distributing valve is provided with a plurality of runner holes;
the diaphragm is arranged in the rotary distribution valve, a flow channel groove is formed in the diaphragm, the diaphragm is connected with the other end of the coupler, and the motor drives the diaphragm to rotate through the coupler so that the diaphragm is communicated with two flow channel holes through the flow channel groove;
the first electromagnetic power switcher is arranged on the first output shaft and is used for switching the attachment or adsorption of the first output shaft and the coupler;
the injector can be selectively connected with one of the runner holes;
an injection piston, one end of which is arranged in the injector;
The transmission mechanism is arranged at a position corresponding to the second output shaft and is connected with the other end of the injection piston, the transmission mechanism can be selectively attached to or adsorbed by the second output shaft, and when the transmission mechanism is adsorbed on the second output shaft, the motor drives the injection piston to linearly reciprocate in the injector through the transmission mechanism; and
The second electromagnetic power switcher is arranged on the second output shaft and is used for switching the attachment or adsorption of the second output shaft and the transmission mechanism;
When the first electromagnetic power switcher is started, the coupler is adsorbed on the first output shaft, the motor drives the diaphragm to rotate through the coupler, the second electromagnetic power switcher is closed, and the transmission mechanism is attached to the second output shaft; when the second electromagnetic power switcher is started, the transmission mechanism is adsorbed on the second output shaft, the motor drives the injection piston to linearly reciprocate in the injector through the transmission mechanism, the first electromagnetic power switcher is closed, and the first output shaft is attached to the coupler;
the plurality of runner holes further comprise a main runner hole and a plurality of auxiliary runner holes, and the diaphragm is connected with the main runner hole and one of the auxiliary runner holes;
the rotary distribution valve comprises a valve cover and a valve body, wherein the valve cover is arranged at one end of the valve body, and the valve cover is provided with a plurality of runner holes.
2. The pump valve integrated device with rotary distribution and injection function according to claim 1, further comprising a code disc provided on the first output shaft and an encoder provided at a position corresponding to the code disc for detecting a rotation angle of the motor and transmitting the same to the encoder, the encoder for controlling the rotation angle of the motor.
3. The pump valve integrated device with rotary distribution and injection function according to claim 1, further comprising a frame body, wherein a motor mounting plate is provided on the frame body, and the motor is mounted on the motor mounting plate.
4. The pump valve integrated device with rotary dispensing and injection function of claim 1, wherein the transmission mechanism further comprises:
The screw rod is arranged at a position corresponding to the second output shaft, the screw rod can be selectively attached to or adsorbed on the second output shaft, and when the screw rod is adsorbed on the second output shaft, the motor drives the screw rod to rotate;
The nut is arranged on the screw rod and linearly reciprocates along the screw rod through rotation of the screw rod; first-order
The adjusting rod is arranged on the nut and moves linearly in a reciprocating mode along with the nut, and the adjusting rod is connected with the injection piston.
5. The integrated pump and valve device with rotational dispensing and injection function of claim 4, further comprising a housing, said rotational dispensing valve being disposed at one end of said housing, said motor, said coupling, said first electromagnetic power switch, said screw, said second electromagnetic power switch, and said nut being disposed within said housing, said adjustment rod being connected to said nut through said housing, said injector and injection piston being disposed on a side of said housing.
6. The pump valve integrated apparatus with rotary dispensing and injection function according to claim 4, further comprising at least one sensor for sensing the nut position and controlling the motor to stop driving.
7. The pump valve integrated device with rotary distribution and injection function according to claim 6, wherein the number of sensors is two, and a distance between two sensors corresponds to a maximum and minimum stroke range of the injection piston.
8. The pump valve integrated apparatus with rotary distribution and injection function according to claim 1, further comprising a three-way valve through which the syringe communicates with the main flow passage hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021210.3A CN110354338B (en) | 2018-09-03 | 2018-09-03 | Pump valve integrated device with rotary distribution and injection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021210.3A CN110354338B (en) | 2018-09-03 | 2018-09-03 | Pump valve integrated device with rotary distribution and injection functions |
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| Publication Number | Publication Date |
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| CN110354338A CN110354338A (en) | 2019-10-22 |
| CN110354338B true CN110354338B (en) | 2024-04-26 |
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| CN201811021210.3A Active CN110354338B (en) | 2018-09-03 | 2018-09-03 | Pump valve integrated device with rotary distribution and injection functions |
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| CN112641499A (en) * | 2020-12-31 | 2021-04-13 | 杭州堃博生物科技有限公司 | Pusher and steam ablation equipment |
| CN116447101B (en) * | 2023-04-24 | 2024-05-28 | 国家海洋技术中心 | Multi-position one-way integrated pump valve |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05338002A (en) * | 1992-06-09 | 1993-12-21 | Nissei Plastics Ind Co | Hydraulic pump package of injection molder |
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