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34results about How to "Suction achieved" patented technology

Suction catheter for thrombolysis and suction of thrombotic substance

InactiveCN105920720AEasy to handleAvoid the disadvantages of insufficient concentrationCatheterIntravenous devicesAspiration catheterThrombolysis
The invention relates to a suction catheter for thrombolysis and suction of thrombotic substance. The suction catheter comprises a central catheter, one end of the central catheter is connected with a suction connecting tube and an administration tube respectively, a liquid outlet of the suction connecting tube is connected with a middle tube, a liquid suction connecting head is arranged at each of two ends of the middle tube, the other end of the suction connecting tube is connected with a two-way valve, a liquid outgoing port end of the two-way valve is connected with a catheter joint, the other end of the catheter joint is connected with a rear-end suction catheter which is connected with a suction pump, a liquid incoming port end of the administration tube is connected with an administration one-way valve, and the other end of the administration one-way valve is connected with an administration injector. The suction catheter has the advantages of simple structure, convenience in operation, low manufacturing cost and convenience in clinical use.
Owner:HENAN YADU IND

Apparatus for determining fluid medium characteristics

The invention provides an apparatus for determining fluid medium characteristics, especially to an air quality device (110) in a combustion motor. The device (110) comprises at least one sensor device (126) for determining fluid medium characteristics, at least one surface (168) overflowed by a fluid medium and at least one suction device (180) arranged to partially suck at least one flow boundary layer (170,172) of the surface (168).
Owner:ROBERT BOSCH GMBH

Suction surface sucking stator blade of air compressor

The invention discloses a suction surface sucking stator blade of an air compressor. A plurality of suction holes and a plurality of static vents are distributed at the suction surface of a blade body. The suction holes are uniformly arranged between the front edge and the rear edge of the blade body. The number of the static vents is the same as the rows of the suction holes. The static vents are distributed into one row from the front edge to the rear edge of the blade body, and are positioned between the suction holes and blade roots or blade tips. Vacuum cavities and static pressure cavities which are communicated with a blade head are arranged in the blade body. The number of the vacuum cavities is the same as the rows of the suction holes, and the number of the static pressure cavities is as the same as that of the static vents. All the vacuum cavities in the blade body are communicated with the blade head, and the suction air on the blade body surface is discharged through the blade head after entering the vacuum cavities; and all the static pressure cavities in the blade body are communicated with the blade head, so the static vents are communicated with the static pressure cavities in the blade body, the static pressure is transferred to the outer side of the air compressor through the blade head, the static pressure variation on the blade surface before and after thesuction can be measured through the static vents, so the influence of the suction of the boundary layer of the blade surface on the performance of the air compressor is determined.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Combined suction system for improving periodicity of planar cascade and quality of outlet flow field

The invention provides a combined suction system for improving the periodicity of a planar cascade and the quality of an outlet flow field. The combined suction system comprises an upper end wall suction cavity, a left turntable, a left turntable slideway, a cascade wind tunnel experiment table, a cascade wind tunnel experiment table fixing seat, a right turntable and a right turntable slideway. In the system, symmetric suction is conducted through the left grid plate and the right grid plate, symmetric suction is conducted through the front boundary layer structure of the left grid plate andthe right grid plate, the suction device arranged on the blade grid is controlled through the throttle valve, and control over the periodicity and the dense flow ratio of a flow field in the blade grid is achieved; according to the requirements of different blade grids. the number and the relative positions of the suction holes formed in the left grid plate and the right grid plate are adjusted, and the control effect of the periodicity and the dense flow ratio of a blade grid outlet flow field is achieved more efficiently in an energy-saving mode.
Owner:DALIAN MARITIME UNIVERSITY

System and device for measuring carbon in fly ash

The invention relates to the technical field of equipment for measuring carbon content in fly ash, and particularly provides a system and a device for measuring carbon in the fly ash. The system and the device are possible to solve a problem that the equipment is easily blocked when measuring the carbon content in the fly ash in the prior art. The system for measuring the carbon content in the flyash comprises the device for measuring the carbon in the fly ash. The device for measuring the carbon in the fly ash comprises a fixed mounting structure fixedly connected with a wall surface of an ash bucket. The fixed mounting structure has a connecting surface connected to the wall surface of the ash bucket. The device for measuring the carbon in the fly ash further comprises an ash collectingstructure disposed on the side of the connecting surface near the center of the ash bucket. The ash collecting structure has an ash receiving port and a detection chamber for absorbing a fly ash sample collected in the ash port. The device for measuring the carbon in the fly ash further comprises a detecting element corresponding to the detection chamber for detecting the carbon content of the fly ash sample. The device for measuring the carbon in the fly ash further comprises a cleaning structure for cleaning the fly ash in the detection chamber. The system for measuring the carbon in the fly ash further comprises a suction pump and a cyclone dust collector connected to the detection chamber of the device for measuring the carbon in the fly ash.
Owner:GL TECH CO LTD

Electronic garbage regeneration tail gas treatment device

The invention discloses an electronic garbage regeneration tail gas treatment device. The device comprises a semi-dry adsorption tower, a lime slurry preparation system and an active carbon injection system. The lime slurry preparation system and the active carbon injection system are communicated with the semi-dry adsorption tower. The device comprises a deduster and a suction blower. The electronic garbage regeneration tail gas treatment device has a simple structure and good impurity removal effects.
Owner:宁国市四方钢球模具设备有限公司

Multipath simulation gas suction device

The invention discloses a multipath simulation gas suction device which comprises a first cabin, a second cabin, a gas path module and a control structure, wherein the gas pressure in the second cabin is lower than that in the first cabin; the gas path module communicates the first cabin and the second cabin and comprises a first multi-way structure capable of implementing multi-way entrance and one-way exit of gas, a first gas outlet pipe for communicating a first gas outlet of the first multi-way structure and the second cabin, and first gas inlets which are formed on the first multi-way structure and are communicated with the second cabin; the control structure controls on-off and gas flow of the first gas inlets. In the multipath simulation gas suction device, the gas pressure difference between the first cabin and the second cabin can implement the automatic gas suction process of the device; a respiratory driving mechanism does not need to be arranged; the multipath simulation gas suction device has a simple structure and is low in production cost; meanwhile, the multipath simulation gas suction device is provided with the first multi-way structure capable of implementing multi-way entrance and one-way exit of the gas, and thus, a plurality of paths of gas suction passages are formed, a plurality of gas suction processes can be simultaneously simulated, and the multipath simulation gas suction device can meet the requirement of a large-scale oxygen system test.
Owner:AVIATION MEDICINE INST AIR FORCE PLA

Intelligentized bred locust suction trapper

An intelligentized bred locust suction trapper comprises a suction trapping mechanism, a separation box, an isolation mechanism, a collection box and a centrifugal fan communicated with the separation box. The intelligentized bred locust suction trapper is characterized in that a suction head assembly is composed of a central suction head and a plurality of side suction heads arranged in a circumferential direction; an elbow is arranged between a feeding hose and the separation box; the isolation mechanism comprises a tubular isolation box shell, an isolation box rotating shaft arranged on the axis of the tubular isolation box shell, an isolation fan connected with the rotating shaft, and blades extending in the axial direction of the tubular isolation box shell, distributed in a cross mode and fixedly arranged on the isolation box rotating shaft, and the outer edges of the blades are just in contact with the inner wall of the isolation box shell. The bottom of the collection box is provided with a screening mechanism, the screening mechanism comprises a screen with meshes smaller than the body length of locusts, a fixed rotating shaft arranged in the middle of the screen and a movable rotating shaft hinged at one end of the screen, and the movable rotating shaft is connected with an output shaft of a screening motor through a driven connecting rod and a driving connecting rod which are sequentially hinged. The intelligentized bred locust suction trapper solves the problems of low trapping efficiency and poor stability of existing locust trappers.
Owner:贵州牂牁江实业有限公司

Intelligent spraying portable noise reduction and dust removal environment-friendly equipment

The invention provides intelligent spraying portable noise reduction and dust removal environment-friendly equipment. The equipment comprises: a dust hood body; a dust hood adjusting mechanism which is fixedly connected with the dust hood body; dustproof sound insulation plastic cloth which wraps the dust hood body; an intelligent spraying dust treatment box, wherein the lower end of the dustproof sound insulation plastic cloth is communicated with the top of the intelligent spraying dust treatment box; a dust collection fan, wherein the dust collection fan is fixedly arranged outside the intelligent spraying dust treatment box, the air inlet end of the dust collection fan is communicated with the dust hood body, and the air outlet end of the dust collection fan is communicated with the interior of the intelligent spraying dust treatment box; a washing dust filtering device which is arranged at the inner top of the intelligent spraying dust treatment box; and a water suction pump, wherein the water inlet end of the water suction pump is communicated with the lower part of the intelligent spraying dust treatment box, and the water outlet end of the water suction pump is connected with the washing dust filtering device. The equipment has the advantages that the equipment is convenient to carry and move, no-emission circulating filtration is adopted, and important guarantee can be provided for various difficult and complex working environments, craftsman health and environmental protection in the dust pollution and noise pollution industries.
Owner:福建唐煌数控雕刻机械设备有限公司

Intelligent breeding locust suction machine

An intelligentized bred locust suction trapper comprises a suction trapping mechanism, a separation box, an isolation mechanism, a collection box and a centrifugal fan communicated with the separation box. The intelligentized bred locust suction trapper is characterized in that a suction head assembly is composed of a central suction head and a plurality of side suction heads arranged in a circumferential direction; an elbow is arranged between a feeding hose and the separation box; the isolation mechanism comprises a tubular isolation box shell, an isolation box rotating shaft arranged on the axis of the tubular isolation box shell, an isolation fan connected with the rotating shaft, and blades extending in the axial direction of the tubular isolation box shell, distributed in a cross mode and fixedly arranged on the isolation box rotating shaft, and the outer edges of the blades are just in contact with the inner wall of the isolation box shell. The bottom of the collection box is provided with a screening mechanism, the screening mechanism comprises a screen with meshes smaller than the body length of locusts, a fixed rotating shaft arranged in the middle of the screen and a movable rotating shaft hinged at one end of the screen, and the movable rotating shaft is connected with an output shaft of a screening motor through a driven connecting rod and a driving connecting rod which are sequentially hinged. The intelligentized bred locust suction trapper solves the problems of low trapping efficiency and poor stability of existing locust trappers.
Owner:贵州牂牁江实业有限公司

Low-liquid-level sewage suction pump

The invention belongs to the technical field of water pumps, and particularly relates to a low-liquid-level suction sewage pump which comprises a motor, an impeller, a shell, an electric push rod, a movable cover and supporting legs. According to the sewage treatment device disclosed by the invention, the electric push rod is controlled to work through the controller, so that the movable cover moves downwards, the distance between the movable cover and the bottom of the sewage pool is reduced, and the bottom surface of the movable cover is lower than the liquid level; the negative pressure generated by the rotation of the impeller in the shell acts on the sewage between the movable cover and the pool bottom, so that the sewage enters the shell through the space between the movable cover and the pool bottom, the low-liquid-level sewage is sucked, and the sewage treatment is more thorough; and meanwhile, the movable cover moves upwards during initial water pumping, so that the sewage pump can pump water at a high speed, and the water pumping efficiency of the sewage pump is guaranteed while low-liquid-level water pumping is compatible.
Owner:殷利智

Liquid suction device

The present invention relates to a liquid suction device (1) with a suction head (2), a sewage storage tank (5) and a suction fan (6). The suction head (2) has a suction slot (4) defined by two lips (3), wherein the suction slot (4), the sewage storage tank (5) and the suction fan (6) are mutually connected to each other by means of suction passage (7), so that the liquid can be sucked from a surface to be cleaned to the sewage storage tank (5) through the suction slot (4). In order to provide the liquid suction device (1) which does not has liquid marks, it is suggested that an air passage (8) is arranged, and one side is connected to a pressure side of the fan, especially a pressure side of the suction fan (6) away from the suction passage (7), and the other side is connected to the suction slot (4), so that the blowing air from the fan, especially the suction fan (6) can be sent to the suction slot (4). Moreover the invention also relates to a wet cleaning device (13) with the liquid suction device (1), and a method for sucking the liquid from the surface to be cleaned by means of the liquid suction device (1).
Owner:VORWERK & CO INTERHOLDING GMBH

Upholder with multiple materials layers in field emission flat panel displays

An upholder composed of lapped multiple functional material layer is formed between the anode base plate and the cathode base plate. The lapped layers include the two layers of insulation layers as well as black surround material layer and the suction air layer between the said insulation layer. Using the printing, filming, coating, or molding methods laps each material layer, forming the upholder on the anode base plate. The invented upholder features simple technique, applicable to the assembly in middle and large sizes and full utilization of the gaps of the anode straps, providing the functions of support, suction air, black surround and discharging electricity.
Owner:厦门火炬福大显示技术有限公司 +1

Grouting effect detection device

The invention discloses a grouting effect detection device. A telescopic and swing driving mechanism is optimally arranged, so that when suction is detected, the telescopic and swing driving mechanismcan drive a conical detection pipe to move slightly in the axial direction and realize slight eccentric rotation at the same time, wherein the slight eccentric rotation is that the rotating central axis of the conical detection pipe is not coaxial with the central axis of the conical detection pipe, the reliability during suction can be effectively guaranteed, and a suction hole is prevented frombeing blocked; and due to the rotating arrangement, the suction of the surrounding water seepage condition can be effectively realized, and then the suction amount is guaranteed, so that the reliability of judging the grouting effect can be improved, and the detection reliability is effectively improved.
Owner:北京大地高科地质勘查有限公司

Knee joint osteotomy bone slag splash prevention device

The invention discloses a knee joint osteotomy bone slag splash prevention device, which comprises a suction device and a support unit for supporting the suction device. The suction device includes a square baffle plate with an open lower end, an engine and an engine mounted on the moving end of the engine. For the turbine above, the front side plate of the square baffle is provided with an opening, the rear side plate of the square baffle is provided with an air exhaust port, and a filter gauze is arranged on the front side of the air exhaust port. The invention drives the turbine to cut air through the engine, which can generate a relatively large suction force and realize the suction of bone residue and blood during the osteotomy process. The combination of the square baffle and the filter gauze can effectively prevent the bone residue and blood from splashing around and splashing after inhalation, which is convenient for postoperative cleaning. On the basis of the square baffle and filter gauze, the inner baffle and bone residue collection box can be configured to collect bone residue and blood intensively. The inner baffle and filter gauze are detachable for easy cleaning.
Owner:SOUTHERN MEDICAL UNIVERSITY

Ventilation system of anesthesia ventilator and anesthesia ventilator

The invention relates to the technical field of medical equipment, and provides a ventilation system for an anesthesia ventilator, which includes a flow control valve, a flow sensor, a solenoid valve and a breathing valve, and the breathing valve is provided with a driving gas outlet and an exhaust port; the flow control The inlet of the valve and the inlet of the solenoid valve are respectively connected to the air source; the outlet of the flow control valve is connected to the inlet of the flow sensor; the outlet of the flow sensor is connected to the breathing valve; the execution end of the solenoid valve is connected to the breathing valve, and the solenoid The outlet of the valve is connected with the exhaust port. The present invention also provides an anesthesia ventilator, including the ventilation system of the anesthesia ventilator mentioned above.
Owner:RWD LIFE SCI

Multi-degree-of-freedom suction arm support and dredging vehicle

The invention discloses a multi-degree-of-freedom suction arm support and a dredging vehicle. The multi-degree-of-freedom suction arm support comprises a swing mechanism, a lifting mechanism, a slip mechanism, a luffing mechanism and a suction hose, the lifting mechanism comprises lifting arm support and a suction outer pipe, slip mechanism comprises a slip rod and a suction inner pipe, the slip mechanism is in transmission connection with the luffing mechanism through the slip rod, the outer suction pipe sleeves the inner suction pipe, a discharge port of the swing mechanism communicates with an anti-overflow sealing mechanism, and the swing mechanism, the lifting mechanism, the slip mechanism and the luffing mechanism are in pipeline connection through the suction hose. When the dredging vehicle performs suction operation, multi-degree-of-freedom, multi-angle and multi-direction suction can be achieved, meanwhile, a suction pipeline is accurately and effectively controlled so as to perform suction, transfer and other work, and in the transportation process, the anti-overflow sealing mechanism can be used for sealing the feeding port of a tank body, so that secondary pollution caused by sewage and peculiar smell gas overflowing through the suction hose is prevented.
Owner:JIANGSU XCMG CONSTR MASCH RES INST LTD

Auxiliary equipment for self-power-off protection of drilling electromechanical equipment according to building resistance

The invention relates to the technical field of electromechanical equipment, and discloses auxiliary equipment for self-power-off protection of drilling electromechanical equipment according to building resistance, the auxiliary equipment comprises a mounting seat, a protection plate is fixedly connected to the top of the mounting seat, a guide rod is fixedly connected to the top of the protection plate, and a supporting rod is fixedly connected to the top of the guide rod; the top of the supporting rod is movably connected with a reset spring, the left side and the right side of the guide rod are both movably connected with electric blocks, and the resistance borne by the mounting base is increased, so that the reset spring is compressed to drive the shunting contact to slide in the limiting cavity along the guide block till the shunting contact makes contact with the electrified contact. When the shunting contact is in contact with the electrifying contact, the circuit is switched on, at the moment, current flows into the electrifying circuit through the electric block and then flows into the shunting resistor through the electrifying circuit, so that the shunting resistor is electrified, and the effects that the rotating speed of the drill bit is automatically reduced and the drill bit is contracted to prevent the drill bit from being broken when the resistance of a hard object is too large in the drilling process are achieved.
Owner:厦门胜浩贸易有限公司

Suction device

The invention provides a suction device, and relates to the technical field of medical instruments. The suction device comprises a test tube, a sealing plug, a suction tube, a first valve and a needle head; the sealing plug is used for sealing a tube opening of the test tube, and the interior of the test tube is in a negative pressure state; one end of the suction tube is connected with the needle head, and the other end of the suction tube penetrates through the sealing plug and is located in the test tube; and the first valve is arranged on the suction tube, and the first valve is located outside the test tube. According to the suction device, the test tube is arranged to be a sealed tube body, structures such as a piston rod are not arranged, the interior of the suction device is in the negative pressure state, and when puncture suction is carried out, the suction tube can be controlled to be in a switch-on or switch-off state only by one medical worker; when the suction tube is in the switch-on state, due to the fact that the interior of the test tube is in the negative pressure state, under the action of the pressure difference, the test tube can automatically suck tissue fluid such as the testis, the suction of the testis tissue fluid can be realized by one person, the fear and worry of a patient are relieved to a certain extent, the comfort degree of the patient is improved, and the working efficiency of the medical worker is improved.
Owner:XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV

Solid-liquid separation system and method and equipment with solid-liquid separation system

The invention provides a solid-liquid separation system and method and equipment with the solid-liquid separation system, the solid-liquid separation system comprises a cleaning device, a suction device and a solid-liquid screening device, the cleaning device is used for crushing tank bottom materials, the suction device is used for sucking the crushed tank bottom materials, the solid-liquid screening device is used for carrying out solid-phase and liquid-phase separation on the crushed tank bottom material; the solid-liquid screening device comprises a filtering device and a driving device, and the driving device drives the filtering device to vibrate. According to the solid-liquid separation system disclosed by the invention, the cleaning device, the suction device and the solid-liquid screening device are integrally arranged, so that the flexibility of an application field is improved, tank bottom materials can be sucked and solid-phase substances can be subjected to reduction treatment on a use site, and the transportation cost and the solid-risk treatment cost are greatly reduced; the solid-liquid screening device adopts the driving device to separate solid-phase substances and liquid-phase substances of materials, so that the effect of screening the materials with strong adhesive force, such as oil field sludge, is better.
Owner:HUNAN SANY PETROLEUM TECH

A multi-channel simulated suction device

The invention discloses a multipath simulation gas suction device which comprises a first cabin, a second cabin, a gas path module and a control structure, wherein the gas pressure in the second cabin is lower than that in the first cabin; the gas path module communicates the first cabin and the second cabin and comprises a first multi-way structure capable of implementing multi-way entrance and one-way exit of gas, a first gas outlet pipe for communicating a first gas outlet of the first multi-way structure and the second cabin, and first gas inlets which are formed on the first multi-way structure and are communicated with the second cabin; the control structure controls on-off and gas flow of the first gas inlets. In the multipath simulation gas suction device, the gas pressure difference between the first cabin and the second cabin can implement the automatic gas suction process of the device; a respiratory driving mechanism does not need to be arranged; the multipath simulation gas suction device has a simple structure and is low in production cost; meanwhile, the multipath simulation gas suction device is provided with the first multi-way structure capable of implementing multi-way entrance and one-way exit of the gas, and thus, a plurality of paths of gas suction passages are formed, a plurality of gas suction processes can be simultaneously simulated, and the multipath simulation gas suction device can meet the requirement of a large-scale oxygen system test.
Owner:AVIATION MEDICINE INST AIR FORCE PLA

Sputum aspirator for emergency use in the Department of Respiratory Medicine

The invention relates to the field of medical apparatus and instruments, and particularly relates to a sputum aspirator for emergency use in the Department of Respiratory Medicine. The sputum aspirator comprises a shell body and a handle member arranged on the lower side of the shell body, a piston member is arranged in the shell body, a fixing block is connected to the right side of the shell body in a clamped mode, baffles are glued on the middle of the inner wall of the shell body in front-back symmetry connection, the piston member is fixed between the fixing block and the baffles in clamped connection, the right side of the piston member is provided with an air outlet, the right end of the air outlet is connected with a three-way air-guide tube in a interference fit mode, the right end and the middle part of the three-way air-guide tube are provided with a one-way rubber exhaust nozzle and a one-way rubber vacuum nozzle, respectively, the left end of the three-way air-guide tube is in glued connection with a screw cap, the screw cap is fixedly connected to the left side of the shell body through first clamping arms which are symmetrically arranged, and the lower side of the screw cap is spirally connected with a phlegm storing bottle. The invention is not only simple in structure, low in production cost, small and exquisite in structure, easy to carry and use, easy to disassemble and clean and convenient for secondary use, but also capable of avoiding the return of some phlegm to patient's body resulted from repeated pressing, thereby improving the efficiency of phlegmremoval.
Owner:闵静思

liquid suction device

The invention relates to a liquid suction device (1), which has a suction head (2), a sewage storage tank (5) and a suction fan (6). The suction head (2) has two lips (3) A delimited suction slit (4), wherein the suction slit (4), the sewage tank (5) and the suction fan (6) are connected to each other by means of a suction channel (7) so that liquid can be removed from the surface to be cleaned It is sucked into the sewage storage tank (5) through the suction gap (4). In order to provide a liquid suction device (1) which does not leave liquid traces on the surface, it is proposed to provide an air channel (8) on one side with the pressure side of the fan, in particular with the suction fan (6 ) is connected to the pressure side facing away from the suction channel (7) and to the suction slit (4) on the other side, so that the blast generated by the fan, in particular the suction fan (6), can be conveyed to the suction inside seam (4). Furthermore, the invention relates to a wet cleaning device (13) having such a liquid suction device (1) and to a method for sucking liquid from a surface to be cleaned by means of such a liquid suction device (1).
Owner:VORWERK & CO INTERHOLDING GMBH

Breast pumping method of breast pump

The invention discloses a breast pumping method of a breast pump, which comprises the following steps: 1, starting an electric air pump, and performing breast pumping for a preset time length according to a single pumping mode; 2, reading a sampling value on an air path of the electric air pump through a pressure sensor; 3, automatically comparing the sampling value with a preset pressure value, and if the sampling value is larger than or smaller than the preset pressure value, adjusting the suction force of the electric air pump until the sampling value is equal to the preset pressure value; and 4, repeating the step 3 until the breast pumping is finished. According to the method, the breast pumping pressure change in the whole process is automatically monitored; the pressure stability in the breast pumping process is guaranteed; therefore, the suction force of a puerpera during breast pumping is more suitable for personal feeling; the comfort degree is higher; and rear milk emptying is guaranteed.
Owner:浙江夕尔科技有限公司

Ink filling machine

ActiveCN109016854AImprove ink filling efficiencyAvoid damagePrintingEngineering
The invention discloses an ink filling machine, and relates to the field of ink cartridge regeneration. The ink filling machine comprises an upper cover component, a lower cover component and an ink filling component which are arranged on a bracket; the lower cover component comprises a lower fixed plate arranged on the bracket, and the lower fixed plate is provided with a lower cover plate used for installing an ink cartridge; the lower fixed plate is further provided with a lower driving device used for regulating the height of the lower cover plate, and the upper cover component comprises an upper fixed plate arranged on the bracket; the upper fixed plate is provided with an upper cover plate, and the upper cover plate is provided with a plurality of upper cover pinholes used for ink filling needles to penetrate; the upper fixed plate is further provided with an upper driving device used for regulating the height of the upper cover plate; the side, far away from the upper fixed plate, of the upper cover plate is further provided with a limit plate, and a limit rod is connected to the upper cover plate through an elastic part; and the limit plate is further provided with a plurality of limit pinholes for the ink filling needles to penetrate. The function of taking out the ink filling needles from the ink cartridge is achieved, and the secondary control of users is not required; and the ink filling process can be performed continuously, and the ink filling efficiency of the ink cartridge is improved.
Owner:SPEED INFOTECH (BEIHAI) COMPANY LIMITED
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