CN217761222U - Constant flow liquid filling pump - Google Patents
Constant flow liquid filling pump Download PDFInfo
- Publication number
- CN217761222U CN217761222U CN202221709604.XU CN202221709604U CN217761222U CN 217761222 U CN217761222 U CN 217761222U CN 202221709604 U CN202221709604 U CN 202221709604U CN 217761222 U CN217761222 U CN 217761222U
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- China
- Prior art keywords
- liquid
- piston
- pump
- constant
- tooth part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 174
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000002347 injection Methods 0.000 claims abstract description 60
- 239000007924 injection Substances 0.000 claims abstract description 60
- 230000000712 assembly Effects 0.000 claims abstract description 19
- 238000000429 assembly Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 230000037452 priming Effects 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001802 infusion Methods 0.000 claims 4
- 230000033001 locomotion Effects 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 7
- 238000005213 imbibition Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a constant-current liquid injection pump, which comprises a casing, a motor and a plurality of groups of liquid injection assemblies arranged in an array manner, wherein each liquid injection assembly comprises a transmission mechanism and a pump head mechanism, the transmission mechanism comprises a driving tooth part, a driven tooth part, a rotating shaft, a guide wheel, a roller and a connecting rod, and the driving tooth part is arranged on an output shaft of the motor; the driven tooth part is coaxially fixed on the rotating shaft and meshed with the driving tooth part; the guide wheel is coaxially fixed on the rotating shaft; one end of the connecting rod is connected with the input end of the pump head mechanism, and the other end of the connecting rod is pivoted with the roller; the guide wheel is provided with an annular groove surrounding the central shaft of the rotating shaft, and the groove side surface of the annular groove is provided with a relief surface; the roller is arranged on the undulating surface in a rolling manner; the undulating surfaces of the guide wheels on each group of the liquid injection assemblies are arranged at equal angles. The utility model discloses the flow of constant current liquid injection pump lasts stably, strikes for a short time, and the flow is big, annotate liquid efficient.
Description
Technical Field
The utility model relates to a charge pump especially relates to a constant current charge pump.
Background
In the production of lithium batteries, the lithium batteries need to be injected with liquid, and the existing mode is to inject electrolyte into the batteries by using an injection pump. Because the injection amount of each lithium battery is fixed, and the amount of electrolyte injected by the injection pump each time is also required to be accurate, the existing injection pump generally adopts a mode of driving a piston mechanism to move by a motor, and the amount of electrolyte sucked and injected by the piston each time is controllable, so that the injection amount can be accurately controlled. However, this type of priming pump also has the obvious disadvantage that the priming and priming are performed at intervals each time the piston is moved back and forth, which causes the problem of intermittent priming. And it is great to be interrupted the impact of annotating the liquid to the lithium cell, and the single notes liquid volume is little moreover, and it is longer to fill up the required time of a lithium cell, and it is very low to annotate liquid efficiency, is unfavorable for the production of lithium cell.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flow is continuous stable, impact little, and the flow is big, annotate the efficient constant current liquid pump of liquid.
In order to achieve the above object, the present invention provides a constant-current liquid injection pump, which includes a casing, a motor, and a plurality of liquid injection assemblies arranged in a row, wherein each liquid injection assembly includes a transmission mechanism and a pump head mechanism arranged in the casing, the transmission mechanism includes a driving tooth portion, a driven tooth portion, a rotation shaft, a guide wheel, a roller and a connecting rod, the motor is arranged outside the casing, the driving tooth portion is arranged on an output shaft of the motor, the rotation shaft is pivoted to the casing, and a pivoting central shaft intersects with the output shaft of the motor; the driven tooth part is coaxially fixed on the rotating shaft and meshed with the driving tooth part; the guide wheel is coaxially fixed on the rotating shaft; one end of the connecting rod is connected with the input end of the pump head mechanism, and the other end of the connecting rod is pivoted with the roller; the pivot joint central shaft of the roller is intersected with the central shaft of the rotating shaft; the guide wheel is provided with an annular groove surrounding the central shaft of the rotating shaft, and the side surface of the annular groove is provided with a wavy surface which undulates along the direction of the central shaft of the rotating shaft; the roller is arranged on the undulating surface in a rolling manner so as to push the pump head mechanism through the connecting rod when the undulating surface rolls; the undulating surfaces of the guide wheels on the liquid injection assemblies are arranged at equal angles.
Compared with the prior art, the utility model discloses a set up the multiunit and annotate the liquid subassembly, utilize a motor drive multiunit to annotate liquid subassembly simultaneous movement, and each group annotates the liquid subassembly again through setting up initiative tooth portion, driven tooth portion and axis of rotation drive leading wheel, and pass through set up the ring channel on the leading wheel, again the groove side of ring channel sets up the undulating surface, utilizes a gyro wheel to roll along with the undulating surface, consequently, can drive gyro wheel straight line back and forth movement to can drive the piston motion of pump head mechanism through the connecting rod, realize imbibition and annotate the liquid. And the winding surfaces of the guide wheels on the liquid injection assemblies are arranged at equal angles, so that the liquid suction and injection action time of the pump head mechanism of each liquid injection assembly is staggered, and the liquid injection can be simultaneously performed for multiple times by one rotation of the motor.
Preferably, the pump head mechanism comprises a piston mechanism, a first one-way valve, a second one-way valve, a liquid inlet and a liquid outlet, an output end of the transmission mechanism is connected with a piston rod of the piston mechanism, and the liquid inlet and the liquid outlet are communicated with a piston cavity of the piston mechanism; the first one-way valve is arranged between the liquid inlet and the piston cavity to allow liquid to flow into the piston cavity from the liquid inlet; the second one-way valve is arranged between the liquid outlet and the piston cavity to allow liquid to flow out of the liquid outlet from the piston cavity. Through the inlet with set up between the piston cavity first check valve the liquid outlet with set up between the piston cavity second check valve to when can making a round trip to do primary motion, can carry out imbibition once and annotate the liquid, guarantee to realize continuously annotating the liquid when the continuous operation.
Preferably, the driving tooth part is a first helical gear, the driven tooth part is a second helical gear, and a central axis of the first helical gear and a central axis of the second helical gear are arranged in a crossing manner. The power output by the motor can be stably transmitted to the rotating shaft by using the transmission mode of the crossed shaft of the bevel gears, so that the transmission stability is improved.
Preferably, the driving tooth part is a worm, and the driven tooth part is a worm wheel.
Preferably, the piston mechanism comprises a piston cavity, a piston rod and a piston head, the piston head is arranged in the piston cavity in a sealing and sliding manner, one end of the piston rod is connected with the piston head, and the other end of the piston rod is connected with the connecting rod.
Preferably, the number of the liquid injection assemblies is three, and the undulating surfaces of the guide wheels are circumferentially and uniformly staggered by 120 degrees. Make like this the motor is every round, can realize 3 times even annotating liquid, and the notes liquid time interval is extremely short, can regard for lasting notes liquid, reduces the impact of traditional interval notes liquid, and the flow is big, greatly improves and annotates liquid efficiency.
Preferably, each of the liquid injection assemblies has two pump head mechanisms, and the two pump head mechanisms are symmetrically arranged on two sides of the roller and connected with the same connecting rod. Therefore, each pump head mechanism of the liquid injection assembly can perform liquid suction once when the liquid injection moves once, so that the liquid injection efficiency is greatly improved, the flow can be doubled, and the flow is more stable and constant.
The constant-current liquid injection pump further comprises a liquid inlet nozzle and a liquid outlet nozzle, wherein the liquid inlet nozzle is connected with all liquid inlets of the pump head mechanisms, and the liquid outlet nozzle is connected with all liquid outlets of the pump head mechanisms. Therefore, the liquid injection of each liquid injection assembly can be converged onto the liquid outlet nozzle, so that the liquid outlet nozzle can continuously discharge liquid, and constant flow is realized.
Specifically, pump head mechanism still includes the pedestal, be equipped with inlet channel and liquid outlet channel in the pedestal, inlet channel's one end with piston cavity intercommunication, the other end is seted up the inlet, the feed liquor mouth connect in the inlet, liquid outlet channel's one end with piston cavity intercommunication, the other end is seted up the liquid outlet, the liquid outlet mouth connect in the liquid outlet.
Specifically, the connecting rod is of an L-shaped structure, the upper end of the L-shaped structure is pivoted with the roller, the lower end of the L-shaped structure is fixedly connected with the piston rod, and the central axis of the piston rod of the piston mechanism is coaxial with the central axis of the rotating shaft. Therefore, the overall structure layout of the constant-flow liquid injection pump is more compact and reasonable.
Drawings
Fig. 1 is a perspective view of the constant-flow liquid-filling pump of the present invention.
Fig. 2 is a front view of the constant-flow liquid-filling pump of the present invention.
Fig. 3 is a side view of the constant-flow liquid-filling pump of the present invention.
Fig. 4 isbase:Sub>A sectional view taken in the direction ofbase:Sub>A-base:Sub>A in fig. 1.
Fig. 5 is a sectional view taken in the direction B-B in fig. 1.
Fig. 6 is a sectional view taken along the direction C-C in fig. 2.
Fig. 7 is a sectional view taken in the direction D-D of fig. 2.
Detailed Description
In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
As shown in fig. 1 to 7, the constant-current liquid injection pump 100 of the present invention is used for injecting liquid into a lithium battery, and includes a casing 1, a motor 2, and a plurality of liquid injection assemblies 3 arranged in rows, wherein the liquid injection assemblies 3 are three groups in number, and the structures of the three groups are the same. A first accommodating cavity 11 and a second accommodating cavity 12 are arranged in the casing 1. Annotate liquid subassembly 3 including set up in drive mechanism 31 and pump head mechanism 32 in the casing 1, drive mechanism 31 set up in the first holding chamber 11, pump head mechanism 32 set up in the second holding chamber 12. The transmission mechanism 31 includes a driving tooth portion 311, a driven tooth portion 312, a rotating shaft 313, a guide wheel 314, a roller 315 and a connecting rod 316, and the motor 2 is disposed outside the casing 1 and the output shaft 21 extends into the first accommodating cavity 11. The three driving tooth portions 311 are disposed on the output shaft 21 of the motor 2 along the axial direction, and the rotating shaft 313 is pivoted to the casing 1, and a pivot center axis of the rotating shaft intersects with the output shaft 21 of the motor 2, preferably perpendicularly. The driven tooth portion 312 is coaxially fixed to the rotation shaft 313 and engaged with the driving tooth portion 311. The guide wheel 314 is coaxially fixed to the rotation shaft 313. One end of the connecting rod 316 is connected to the input end of the pump head mechanism 32, and the other end is pivotally connected to the roller 315. The pivot center axis of the roller 315 intersects with the center axis of the rotating shaft 313, preferably perpendicularly. The guide wheel 314 is provided with an annular groove 3141 surrounding the central axis of the rotating shaft 313, the two groove side surfaces of the annular groove 3141 are provided with undulating surfaces 3142 undulating along the central axis direction of the rotating shaft 313, and the undulating surfaces 3142 are arranged in parallel. The roller 315 is disposed between the two undulating surfaces 3142 in a rolling manner, can roll along the undulating surfaces 3142, and pushes the input end of the pump head mechanism 32 to move through the connecting rod 316 during rolling. The undulating surfaces 3142 of the guide wheels 314 of each group of the liquid injection assemblies 3 are arranged at equal angles. The undulating surfaces 3142 of the three guide wheels 314 of this embodiment are circumferentially offset by 120 degrees. That is, the highest point of the undulating surface 3142 of the first guide wheel 314 is the reference point, the highest point of the undulating surface 3142 of the second guide wheel 314 is rotated by 120 degrees with respect to the first, and the highest point of the undulating surface 3142 of the third guide wheel 314 is rotated by 120 degrees with respect to the second. Make like this 2 every turns the round of motor, can realize 3 times even notes liquid, annotate the liquid time interval and extremely short, can regard for lasting notes liquid, reduce the impact of traditional interval notes liquid, the flow is big, greatly improves and annotates liquid efficiency.
Referring to fig. 4 and 6, the driving tooth 311 is a first bevel gear, the driven tooth 312 is a second bevel gear, and a central axis of the first bevel gear and a central axis of the second bevel gear are crossed. The power output by the motor 2 can be stably transmitted to the rotating shaft 313 by the transmission mode of the crossed shaft of the bevel gears, so that the transmission stability is improved. The driving tooth portion 311 may be a worm, and the driven tooth portion 312 may be a worm wheel.
Referring to fig. 4 and fig. 7 again, the pump head mechanism 32 includes a piston mechanism 321, a first one-way valve 322, a second one-way valve 323, a liquid inlet 324 and a liquid outlet 325, an output end of the transmission mechanism 31 is connected to a piston rod 3212 of the piston mechanism 321, and the liquid inlet 324 and the liquid outlet 325 are communicated with a piston cavity 3211 of the piston mechanism 321; the first one-way valve 322 is disposed between the fluid inlet 324 and the piston cavity 3211 to allow fluid to flow from the fluid inlet 324 into the piston cavity 3211; the second check valve 323 is disposed between the liquid outlet 325 and the piston cavity 3211 to allow liquid to flow from the piston cavity 3211 out of the liquid outlet 325. Through set up first check valve 322 between inlet 324 and piston cavity 3211, set up second check valve 323 between outlet 325 and piston cavity 3211 to can make piston mechanism 321 make a round trip and do once when the motion, can carry out liquid absorption and annotate liquid once, guarantee to realize continuously annotating liquid in continuous operation.
As shown in fig. 4, the piston mechanism 321 includes a piston cavity 3211, a piston rod 3212 and a piston head 3213, the piston head 3213 is sealingly and slidably disposed in the piston cavity 3211, one end of the piston rod 3212 is connected to the piston head 3213, and the other end is connected to the connecting rod 316.
Referring to fig. 4 and 7, the pump head mechanism 32 further includes a base 326, a liquid inlet channel 3261 and a liquid outlet channel 3262 are disposed in the base 326, one end of the liquid inlet channel 3261 is communicated with the piston cavity 3211, and the other end is provided with the liquid inlet 324; one end of the liquid outlet channel 3262 is communicated with the piston cavity 3211, and the other end is provided with the liquid outlet 325. The constant-current liquid injection pump 100 further comprises a liquid inlet nozzle 4 and a liquid outlet nozzle 5, the liquid inlet nozzle 4 is connected with the liquid inlets 324 of all the pump head mechanisms 32, and the liquid outlet nozzle 5 is connected with the liquid outlets 325 of all the pump head mechanisms 32. Therefore, the liquid injection of each liquid injection assembly 3 can be converged onto the liquid outlet nozzle 5, so that the liquid outlet nozzle 5 can continuously discharge liquid, and constant flow is realized. In the utility model, the liquid inlet channel 3261, the first check valve 322 and the liquid inlet nozzle 4 are distributed on one side of the seat body 326, the liquid outlet channel 3262, the second check valve 323 and the liquid outlet nozzle 5 are symmetrically distributed on the other side of the seat body 326,
as shown in fig. 4, the connecting rod 316 is an L-shaped structure, the upper end of the L-shaped structure is pivotally connected to the roller 315, the lower end of the L-shaped structure is fixedly connected to the piston rod 3212, and the central axis of the piston rod 3212 of the piston mechanism 321 is coaxial with the central axis of the rotating shaft 313. Therefore, the overall structural layout of the constant-flow liquid injection pump 100 is more compact and reasonable.
In view of the above, the working principle of the constant-flow liquid injection pump 100 of the present invention is described in detail below, as follows:
during liquid injection, the motor 2 is started, the motor 2 drives the output shaft to rotate, the output shaft drives the three driving tooth portions 311 to rotate at the same time, each driving tooth portion 311 drives the corresponding driven tooth portion 312 to rotate, the driven tooth portion 312 drives the rotating shaft 313 to rotate, the rotating shaft 313 rotates the guide wheel 314 to rotate, and the guide boundary line enables the roller 315 to linearly move back and forth while rolling under the action of the undulating surface 3142. At this time, the roller 315 drives the connecting rod 316 to move, and the connecting rod 316 drives the piston rod 3212, so that the piston head 3213 slides back and forth in the piston cavity 3211. When the piston head 3213 moves backward, a vacuum is applied to the piston cavity 3211, and the electrolyte can enter the piston cavity 3211 through the inlet nozzle, the inlet port 324, the first check valve 322, and the inlet passage 3261. When the piston head 3213 moves forward, the pressure in the piston cavity 3211 increases, so that the electrolyte is pumped out, and the electrolyte is injected into the lithium battery through the liquid outlet channel 3262, the first one-way valve 322, the liquid outlet 325 and the liquid outlet nozzle 5. Similarly, the motor 2 drives the other transmission mechanisms 31 and the pump head mechanisms 32 to move simultaneously, and the undulating surfaces 3142 of the two adjacent guide wheels 314 are circumferentially and uniformly staggered by 120 degrees, so that the liquid suction and pumping actions of the first group of liquid injection assemblies 3, the second group of liquid injection assemblies 3 and the third group of liquid injection assemblies 3 are sequentially performed. When motor 2 continuously rotates, first group annotates liquid subassembly 3, second group and annotates liquid subassembly 3 and third group and annotate liquid subassembly 3 and just can be constantly imbibition and beat liquid, and the electrolyte of beating out is unified to flow out steadily through drain nozzle 5.
Compared with the prior art, the utility model discloses a set up the multiunit and annotate liquid subassembly 3, utilize a motor 2 drive multiunit to annotate liquid subassembly 3 simultaneous movement, and each group annotates liquid subassembly 3 again through setting up initiative tooth portion 311, driven tooth portion 312 and axis of rotation 313 drive leading wheel 314, and pass through set up ring channel 3141 on the leading wheel 314, again the groove side of ring channel 3141 sets up undulating surface 3142, utilizes a gyro wheel 315 to roll along with undulating surface 3142, consequently, can drive gyro wheel 315 straight back and forth movement to can drive pump head mechanism 32's piston motion through connecting rod 316, realize imbibition and annotate liquid. Moreover, the undulating surfaces 3142 of the guide wheels 314 of each group of the liquid injection assemblies 3 are arranged at equal angles, so that the liquid suction and injection action time of the pump head mechanism 32 of each group of the liquid injection assemblies 3 are staggered, and multiple times of liquid injection and multiple times of liquid suction can be realized simultaneously by one rotation of the motor 2, so that the pump head mechanism 32 can realize continuous liquid injection and continuous liquid suction through continuous driving of the motor 2, the liquid injection flow is stable and constant, the impact of pulse type liquid injection is effectively reduced, the flow is large, and the liquid injection efficiency is greatly improved.
In addition, the present invention can also have other embodiments, for example, the structure of the present invention is basically the same as that of the first embodiment, except that a pump head mechanism 32 is added on the liquid injection assembly 3, that is, the number of the pump head mechanisms 32 of each liquid injection assembly 3 is two, and the two pump head mechanisms are respectively symmetrically disposed on two sides of the roller 315 and connected to the same connecting rod 316. Therefore, one of the pump head mechanisms 32 of each liquid injection assembly 3 can perform liquid injection movement once, and the other pump head mechanism 32 can perform liquid suction movement once, so that the liquid injection efficiency is greatly improved, the flow can be doubled, and the flow is more stable and constant.
The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.
Claims (10)
1. A constant-flow liquid injection pump is characterized in that: the liquid injection assembly comprises a shell, a motor and a plurality of groups of liquid injection assemblies which are arranged in a row, wherein the liquid injection assemblies comprise a transmission mechanism and a pump head mechanism which are arranged in the shell, the transmission mechanism comprises a driving tooth part, a driven tooth part, a rotating shaft, a guide wheel, a roller and a connecting rod, the motor is arranged outside the shell, the driving tooth part is arranged on an output shaft of the motor, the rotating shaft is pivoted on the shell, and a pivoting central shaft is intersected with the output shaft of the motor; the driven tooth part is coaxially fixed on the rotating shaft and meshed with the driving tooth part; the guide wheel is coaxially fixed on the rotating shaft; one end of the connecting rod is connected with the input end of the pump head mechanism, and the other end of the connecting rod is pivoted with the roller; the pivoting central shaft of the roller is intersected with the central shaft of the rotating shaft; the guide wheel is provided with an annular groove surrounding the central shaft of the rotating shaft, and the side surface of the annular groove is provided with a wavy surface which undulates along the direction of the central shaft of the rotating shaft; the roller is arranged on the undulating surface in a rolling manner so as to push the pump head mechanism through the connecting rod when the undulating surface rolls; the undulating surfaces of the guide wheels on each group of the liquid injection assemblies are arranged at equal angles.
2. The constant-flow priming pump of claim 1, wherein: the pump head mechanism comprises a piston mechanism, a first one-way valve, a second one-way valve, a liquid inlet and a liquid outlet, the output end of the transmission mechanism is connected with a piston rod of the piston mechanism, and the liquid inlet and the liquid outlet are communicated with a piston cavity of the piston mechanism; the first one-way valve is arranged between the liquid inlet and the piston cavity to allow liquid to flow into the piston cavity from the liquid inlet; the second one-way valve is arranged between the liquid outlet and the piston cavity to allow liquid to flow out of the liquid outlet from the piston cavity.
3. The constant-flow priming pump of claim 1, wherein: the driving tooth part is a first helical gear, the driven tooth part is a second helical gear, and a central shaft of the first helical gear and a central shaft of the second helical gear are arranged in a crossed mode.
4. The constant-flow priming pump of claim 1, wherein: the driving tooth part is a worm, and the driven tooth part is a worm wheel.
5. A constant-flow infusion pump as claimed in claim 2, wherein: the piston mechanism comprises a piston cavity, a piston rod and a piston head, the piston head is arranged in the piston cavity in a sealing and sliding mode, one end of the piston rod is connected with the piston head, and the other end of the piston rod is connected with the connecting rod.
6. The constant-flow priming pump of claim 1, wherein: the number of the liquid injection assemblies is three, and the undulating surfaces of the guide wheels are circumferentially and uniformly staggered by 120 degrees.
7. The constant-flow priming pump of claim 1, wherein: each annotate the liquid subassembly and have the quantity of pump head mechanism is two, is respectively symmetrically set up in the both sides of gyro wheel and with same the connecting rod is connected.
8. A constant-flow infusion pump as defined in claim 2, wherein: the constant-current liquid injection pump further comprises a liquid inlet nozzle and a liquid outlet nozzle, the liquid inlet nozzle is connected with all the liquid inlets of the pump head mechanisms, and the liquid outlet nozzle is connected with all the liquid outlets of the pump head mechanisms.
9. A constant-flow infusion pump as claimed in claim 8, wherein: the pump head mechanism still includes the pedestal, be equipped with inlet channel and liquid outlet channel in the pedestal, inlet channel's one end with piston cavity intercommunication, the other end is seted up the inlet, the feed liquor mouth connect in the inlet, liquid outlet channel's one end with piston cavity intercommunication, the other end is seted up the liquid outlet, the liquid outlet mouth connect in the liquid outlet.
10. A constant-flow infusion pump as claimed in claim 2, wherein: the connecting rod is of an L-shaped structure, the upper end of the L-shaped structure is pivoted with the roller, the lower end of the L-shaped structure is fixedly connected with the piston rod, and the central shaft of the piston rod of the piston mechanism is coaxial with the central shaft of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221709604.XU CN217761222U (en) | 2022-07-02 | 2022-07-02 | Constant flow liquid filling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221709604.XU CN217761222U (en) | 2022-07-02 | 2022-07-02 | Constant flow liquid filling pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217761222U true CN217761222U (en) | 2022-11-08 |
Family
ID=83871307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221709604.XU Ceased CN217761222U (en) | 2022-07-02 | 2022-07-02 | Constant flow liquid filling pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217761222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450036A (en) * | 2023-12-25 | 2024-01-26 | 深圳市铂纳特斯智能装备股份有限公司 | A high-speed liquid injection pump for annotating liquid to battery |
-
2022
- 2022-07-02 CN CN202221709604.XU patent/CN217761222U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117450036A (en) * | 2023-12-25 | 2024-01-26 | 深圳市铂纳特斯智能装备股份有限公司 | A high-speed liquid injection pump for annotating liquid to battery |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20230814 Decision number of declaring invalidation: 563275 Granted publication date: 20221108 |
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| IW01 | Full invalidation of patent right |